| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Copyright (c) 2000-2014 Ericsson Telecom AB |
| 3 | // All rights reserved. This program and the accompanying materials |
| 4 | // are made available under the terms of the Eclipse Public License v1.0 |
| 5 | // which accompanies this distribution, and is available at |
| 6 | // http://www.eclipse.org/legal/epl-v10.html |
| 7 | /////////////////////////////////////////////////////////////////////////////// |
| 8 | // |
| 9 | // Description: Implementation file for MainController |
| 10 | // Author: Janos Zoltan Szabo |
| 11 | // mail: tmpjsz@eth.ericsson.se |
| 12 | // |
| 13 | // Copyright Ericsson Telecom AB 2000-2014 |
| 14 | // |
| 15 | //---------------------------------------------------------------------------- |
| 16 | |
| 17 | #include "MainController.h" |
| 18 | #include "UserInterface.h" |
| 19 | |
| 20 | #include "../../common/memory.h" |
| 21 | #include "../../common/version.h" |
| 22 | #include "../../common/version_internal.h" |
| 23 | #include "../../core/Message_types.hh" |
| 24 | #include "../../core/Error.hh" |
| 25 | #include "../../core/Textbuf.hh" |
| 26 | #include "../../core/Logger.hh" |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <string.h> |
| 30 | #include <ctype.h> |
| 31 | #include <stdarg.h> |
| 32 | #include <unistd.h> |
| 33 | #include <errno.h> |
| 34 | #include <pthread.h> |
| 35 | #include <fcntl.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/socket.h> |
| 38 | #include <sys/time.h> |
| 39 | #ifdef USE_EPOLL |
| 40 | #include <sys/epoll.h> |
| 41 | #else |
| 42 | #include <sys/poll.h> |
| 43 | #endif |
| 44 | #include <sys/utsname.h> |
| 45 | #include <netinet/in.h> |
| 46 | #include <netinet/tcp.h> |
| 47 | #include <arpa/inet.h> |
| 48 | #include <netdb.h> |
| 49 | #include <sys/un.h> |
| 50 | #include <signal.h> |
| 51 | |
| 52 | reffer::reffer(const char*) {} |
| 53 | |
| 54 | //---------------------------------------------------------------------------- |
| 55 | |
| 56 | namespace mctr { |
| 57 | |
| 58 | //---------------------------------------------------------------------------- |
| 59 | |
| 60 | /* Static variables */ |
| 61 | |
| 62 | UserInterface *MainController::ui; |
| 63 | NetworkHandler MainController::nh; |
| 64 | |
| 65 | mc_state_enum MainController::mc_state; |
| 66 | char *MainController::mc_hostname; |
| 67 | |
| 68 | struct sigaction MainController::new_action, MainController::old_action; |
| 69 | |
| 70 | int MainController::server_fd; |
| 71 | int MainController::server_fd_unix = -1; |
| 72 | boolean MainController::server_fd_disabled; |
| 73 | |
| 74 | void MainController::disable_server_fd() |
| 75 | { |
| 76 | if (!server_fd_disabled) { |
| 77 | remove_poll_fd(server_fd); |
| 78 | server_fd_disabled = TRUE; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void MainController::enable_server_fd() |
| 83 | { |
| 84 | if (server_fd_disabled) { |
| 85 | add_poll_fd(server_fd); |
| 86 | server_fd_disabled = FALSE; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | pthread_mutex_t MainController::mutex; |
| 91 | |
| 92 | void MainController::lock() |
| 93 | { |
| 94 | int result = pthread_mutex_lock(&mutex); |
| 95 | if (result > 0) { |
| 96 | fatal_error("MainController::lock: " |
| 97 | "pthread_mutex_lock failed with code %d.", result); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | void MainController::unlock() |
| 102 | { |
| 103 | int result = pthread_mutex_unlock(&mutex); |
| 104 | if (result > 0) { |
| 105 | fatal_error("MainController::unlock: " |
| 106 | "pthread_mutex_unlock failed with code %d.", result); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | #ifdef USE_EPOLL |
| 111 | epoll_event *MainController::epoll_events; |
| 112 | int MainController::epfd; |
| 113 | #else |
| 114 | unsigned int MainController::nfds, MainController::new_nfds; |
| 115 | struct pollfd *MainController::ufds, *MainController::new_ufds; |
| 116 | boolean MainController::pollfds_modified; |
| 117 | #endif //USE_EPOLL |
| 118 | |
| 119 | #ifdef USE_EPOLL |
| 120 | void MainController::add_poll_fd(int fd) |
| 121 | { |
| 122 | if (fd < 0) return; |
| 123 | epoll_event event; |
| 124 | event.events = EPOLLIN; |
| 125 | event.data.fd = fd; |
| 126 | if (epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &event) < 0) |
| 127 | fatal_error("MainController::add_poll_fd: system call epoll_ctl" |
| 128 | " failed on file descriptor %d.", fd); |
| 129 | } |
| 130 | |
| 131 | void MainController::remove_poll_fd(int fd) |
| 132 | { |
| 133 | if (fd < 0) return; |
| 134 | epoll_event event; |
| 135 | event.events = EPOLLIN; |
| 136 | event.data.fd = fd; |
| 137 | if (epoll_ctl(epfd, EPOLL_CTL_DEL, fd, &event) < 0) |
| 138 | fatal_error("MainController::remove_poll_fd: system call epoll_ctl" |
| 139 | " failed on file descriptor %d.", fd); |
| 140 | } |
| 141 | #else // ! defined USE_EPOLL |
| 142 | void MainController::add_poll_fd(int fd) |
| 143 | { |
| 144 | if (fd < 0) return; |
| 145 | if (pollfds_modified) { |
| 146 | int i; |
| 147 | for (i = new_nfds - 1; i >= 0; i--) { |
| 148 | if (new_ufds[i].fd < fd) break; |
| 149 | else if (new_ufds[i].fd == fd) return; |
| 150 | } |
| 151 | i++; |
| 152 | new_ufds = (struct pollfd*)Realloc(new_ufds, (new_nfds + 1) * |
| 153 | sizeof(struct pollfd)); |
| 154 | memmove(new_ufds + i + 1, new_ufds + i, (new_nfds - i) * |
| 155 | sizeof(struct pollfd)); |
| 156 | new_ufds[i].fd = fd; |
| 157 | new_ufds[i].events = POLLIN; |
| 158 | new_ufds[i].revents = 0; |
| 159 | new_nfds++; |
| 160 | } else { |
| 161 | int i; |
| 162 | for (i = nfds - 1; i >= 0; i--) { |
| 163 | if (ufds[i].fd < fd) break; |
| 164 | else if (ufds[i].fd == fd) return; |
| 165 | } |
| 166 | i++; |
| 167 | new_nfds = nfds + 1; |
| 168 | new_ufds = (struct pollfd*)Malloc(new_nfds * sizeof(struct pollfd)); |
| 169 | memcpy(new_ufds, ufds, i * sizeof(struct pollfd)); |
| 170 | new_ufds[i].fd = fd; |
| 171 | new_ufds[i].events = POLLIN; |
| 172 | new_ufds[i].revents = 0; |
| 173 | memcpy(new_ufds + i + 1, ufds + i, (nfds - i) * sizeof(struct pollfd)); |
| 174 | pollfds_modified = TRUE; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | void MainController::remove_poll_fd(int fd) |
| 179 | { |
| 180 | if (fd < 0) return; |
| 181 | if (pollfds_modified) { |
| 182 | int i; |
| 183 | for (i = new_nfds - 1; i >= 0; i--) { |
| 184 | if (new_ufds[i].fd == fd) break; |
| 185 | else if (new_ufds[i].fd < fd) return; |
| 186 | } |
| 187 | if (i < 0) return; |
| 188 | new_nfds--; |
| 189 | memmove(new_ufds + i, new_ufds + i + 1, (new_nfds - i) * |
| 190 | sizeof(struct pollfd)); |
| 191 | new_ufds = (struct pollfd*)Realloc(new_ufds, new_nfds * |
| 192 | sizeof(struct pollfd)); |
| 193 | } else { |
| 194 | int i; |
| 195 | for (i = nfds - 1; i >= 0; i--) { |
| 196 | if (ufds[i].fd == fd) break; |
| 197 | else if (ufds[i].fd < fd) return; |
| 198 | } |
| 199 | if (i < 0) return; |
| 200 | new_nfds = nfds - 1; |
| 201 | new_ufds = (struct pollfd*)Malloc(new_nfds * sizeof(struct pollfd)); |
| 202 | memcpy(new_ufds, ufds, i * sizeof(struct pollfd)); |
| 203 | memcpy(new_ufds + i, ufds + i + 1, (new_nfds - i) * |
| 204 | sizeof(struct pollfd)); |
| 205 | pollfds_modified = TRUE; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | void MainController::update_pollfds() |
| 210 | { |
| 211 | if (pollfds_modified) { |
| 212 | nfds = new_nfds; |
| 213 | new_nfds = 0; |
| 214 | Free(ufds); |
| 215 | ufds = new_ufds; |
| 216 | new_ufds = NULL; |
| 217 | pollfds_modified = FALSE; |
| 218 | } |
| 219 | } |
| 220 | #endif //USE_EPOLL |
| 221 | |
| 222 | int MainController::fd_table_size; |
| 223 | fd_table_struct *MainController::fd_table; |
| 224 | |
| 225 | void MainController::add_fd_to_table(int fd) |
| 226 | { |
| 227 | if (fd >= fd_table_size) { |
| 228 | fd_table = (fd_table_struct *)Realloc(fd_table, (fd + 1) * |
| 229 | sizeof(fd_table_struct)); |
| 230 | for (int i = fd_table_size; i <= fd; i++) { |
| 231 | fd_table[i].fd_type = FD_UNUSED; |
| 232 | fd_table[i].dummy_ptr = NULL; |
| 233 | } |
| 234 | fd_table_size = fd + 1; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | void MainController::remove_fd_from_table(int fd) |
| 239 | { |
| 240 | if (fd < fd_table_size) { |
| 241 | fd_table[fd].fd_type = FD_UNUSED; |
| 242 | int i; |
| 243 | for (i = fd_table_size - 1; i >= 0 ; i--) { |
| 244 | if (fd_table[i].fd_type != FD_UNUSED) break; |
| 245 | } |
| 246 | if (i < fd_table_size - 1) { |
| 247 | fd_table_size = i + 1; |
| 248 | fd_table = (fd_table_struct *)Realloc(fd_table, fd_table_size * |
| 249 | sizeof(fd_table_struct)); |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | void MainController::set_close_on_exec(int fd) |
| 255 | { |
| 256 | int flags = fcntl(fd, F_GETFD); |
| 257 | if (flags < 0) fatal_error("MainController::set_close_on_exec: system call " |
| 258 | "fcntl(F_GETFD) failed on file descriptor %d.", fd); |
| 259 | |
| 260 | flags |= FD_CLOEXEC; |
| 261 | |
| 262 | if (fcntl(fd, F_SETFD, flags) == -1) |
| 263 | fatal_error("MainController::set_close_on_exec: system call " |
| 264 | "fcntl(F_SETFD) failed on file descriptor %d.", fd); |
| 265 | } |
| 266 | |
| 267 | unknown_connection *MainController::unknown_head, *MainController::unknown_tail; |
| 268 | |
| 269 | unknown_connection *MainController::new_unknown_connection( |
| 270 | bool unix_socket) |
| 271 | { |
| 272 | unknown_connection *conn = new unknown_connection; |
| 273 | conn->unix_socket = unix_socket; |
| 274 | conn->prev = unknown_tail; |
| 275 | conn->next = NULL; |
| 276 | if (unknown_tail != NULL) unknown_tail->next = conn; |
| 277 | else unknown_head = conn; |
| 278 | unknown_tail = conn; |
| 279 | return conn; |
| 280 | } |
| 281 | |
| 282 | void MainController::delete_unknown_connection(unknown_connection *conn) |
| 283 | { |
| 284 | if (conn->prev != NULL) conn->prev->next = conn->next; |
| 285 | else unknown_head = conn->next; |
| 286 | if (conn->next != NULL) conn->next->prev = conn->prev; |
| 287 | else unknown_tail = conn->prev; |
| 288 | delete conn; |
| 289 | } |
| 290 | |
| 291 | void MainController::close_unknown_connection(unknown_connection *conn) |
| 292 | { |
| 293 | remove_poll_fd(conn->fd); |
| 294 | close(conn->fd); |
| 295 | remove_fd_from_table(conn->fd); |
| 296 | delete conn->text_buf; |
| 297 | delete_unknown_connection(conn); |
| 298 | enable_server_fd(); |
| 299 | } |
| 300 | |
| 301 | void MainController::init_string_set(string_set *set) |
| 302 | { |
| 303 | set->n_elements = 0; |
| 304 | set->elements = NULL; |
| 305 | } |
| 306 | |
| 307 | void MainController::free_string_set(string_set *set) |
| 308 | { |
| 309 | for (int i = 0; i < set->n_elements; i++) Free(set->elements[i]); |
| 310 | Free(set->elements); |
| 311 | set->n_elements = 0; |
| 312 | set->elements = NULL; |
| 313 | } |
| 314 | |
| 315 | void MainController::add_string_to_set(string_set *set, const char *str) |
| 316 | { |
| 317 | int i; |
| 318 | for (i = 0; i < set->n_elements; i++) { |
| 319 | int result = strcmp(set->elements[i], str); |
| 320 | if (result > 0) break; |
| 321 | else if (result == 0) return; |
| 322 | } |
| 323 | set->elements = (char**)Realloc(set->elements, |
| 324 | (set->n_elements + 1) * sizeof(*set->elements)); |
| 325 | memmove(set->elements + i + 1, set->elements + i, |
| 326 | (set->n_elements - i) * sizeof(*set->elements)); |
| 327 | set->elements[i] = mcopystr(str); |
| 328 | set->n_elements++; |
| 329 | } |
| 330 | |
| 331 | void MainController::remove_string_from_set(string_set *set, |
| 332 | const char *str) |
| 333 | { |
| 334 | for (int i = 0; i < set->n_elements; i++) { |
| 335 | int result = strcmp(set->elements[i], str); |
| 336 | if (result < 0) continue; |
| 337 | else if (result == 0) { |
| 338 | Free(set->elements[i]); |
| 339 | set->n_elements--; |
| 340 | memmove(set->elements + i, set->elements + i + 1, |
| 341 | (set->n_elements - i) * sizeof(*set->elements)); |
| 342 | set->elements = (char**)Realloc(set->elements, |
| 343 | set->n_elements * sizeof(*set->elements)); |
| 344 | } |
| 345 | return; |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | boolean MainController::set_has_string(const string_set *set, |
| 350 | const char *str) |
| 351 | { |
| 352 | if(str == NULL) return FALSE; |
| 353 | for (int i = 0; i < set->n_elements; i++) { |
| 354 | int result = strcmp(set->elements[i], str); |
| 355 | if (result == 0) return TRUE; |
| 356 | else if (result > 0) break; |
| 357 | } |
| 358 | return FALSE; |
| 359 | } |
| 360 | |
| 361 | const char *MainController::get_string_from_set(const string_set *set, |
| 362 | int index) |
| 363 | { |
| 364 | if (index >= 0 && index < set->n_elements) return set->elements[index]; |
| 365 | else return NULL; |
| 366 | } |
| 367 | |
| 368 | int MainController::n_host_groups; |
| 369 | host_group_struct *MainController::host_groups; |
| 370 | string_set MainController::assigned_components; |
| 371 | boolean MainController::all_components_assigned; |
| 372 | |
| 373 | host_group_struct *MainController::add_host_group(const char *group_name) |
| 374 | { |
| 375 | int i; |
| 376 | for (i = 0 ; i < n_host_groups; i++) { |
| 377 | host_group_struct *group = host_groups + i; |
| 378 | int result = strcmp(group->group_name, group_name); |
| 379 | if (result > 0) break; |
| 380 | else if (result == 0) return group; |
| 381 | } |
| 382 | host_groups = (host_group_struct*)Realloc(host_groups, |
| 383 | (n_host_groups + 1) * sizeof(*host_groups)); |
| 384 | host_group_struct *new_group = host_groups + i; |
| 385 | memmove(new_group + 1, new_group, |
| 386 | (n_host_groups - i) * sizeof(*host_groups)); |
| 387 | new_group->group_name = mcopystr(group_name); |
| 388 | new_group->has_all_hosts = FALSE; |
| 389 | new_group->has_all_components = FALSE; |
| 390 | init_string_set(&new_group->host_members); |
| 391 | init_string_set(&new_group->assigned_components); |
| 392 | n_host_groups++; |
| 393 | return new_group; |
| 394 | } |
| 395 | |
| 396 | host_group_struct *MainController::lookup_host_group(const char *group_name) |
| 397 | { |
| 398 | for (int i = 0; i < n_host_groups; i++) { |
| 399 | host_group_struct *group = host_groups + i; |
| 400 | int result = strcmp(group->group_name, group_name); |
| 401 | if (result == 0) return group; |
| 402 | else if (result > 0) break; |
| 403 | } |
| 404 | return NULL; |
| 405 | } |
| 406 | |
| 407 | boolean MainController::is_similar_hostname(const char *host1, |
| 408 | const char *host2) |
| 409 | { |
| 410 | for (size_t i = 0; ; i++) { |
| 411 | unsigned char c1 = host1[i], c2 = host2[i]; |
| 412 | if (c1 == '\0') { |
| 413 | // if host2 is the longer one it may contain an additional domain |
| 414 | // name with a leading dot (e.g. "foo" is similar to "foo.bar.com") |
| 415 | // note: empty string is similar with empty string only |
| 416 | if (c2 == '\0' || (i > 0 && c2 == '.')) return TRUE; |
| 417 | else return FALSE; |
| 418 | } else if (c2 == '\0') { |
| 419 | // or vice versa |
| 420 | if (c1 == '\0' || (i > 0 && c1 == '.')) return TRUE; |
| 421 | else return FALSE; |
| 422 | } else { |
| 423 | // case insensitive comparison of the characters |
| 424 | if (tolower(c1) != tolower(c2)) return FALSE; |
| 425 | // continue the evaluation if they are matching |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | boolean MainController::host_has_name(const host_struct *host, const char *name) |
| 431 | { |
| 432 | // name might resemble to host->hostname |
| 433 | if (is_similar_hostname(host->hostname, name)) return TRUE; |
| 434 | // to avoid returning true in situations when name is "foo.bar.com", but |
| 435 | // host->hostname is "foo.other.com" and host->hostname_local is "foo" |
| 436 | // name might resemble to host->hostname_local |
| 437 | if (host->local_hostname_different && |
| 438 | is_similar_hostname(host->hostname_local, name)) return TRUE; |
| 439 | // name might be an IP address or a DNS alias |
| 440 | IPAddress *ip_addr = IPAddress::create_addr(nh.get_family()); |
| 441 | if (ip_addr->set_addr(name)) { |
| 442 | // check if IP addresses match |
| 443 | if (*ip_addr == *(host->ip_addr)) { |
| 444 | delete ip_addr; |
| 445 | return TRUE; |
| 446 | } |
| 447 | // try to handle such strange situations when the local hostname is |
| 448 | // mapped to a loopback address by /etc/hosts |
| 449 | // (i.e. host->ip_addr contains 127.x.y.z) |
| 450 | // but the given name contains the real IP address of the host |
| 451 | const char *canonical_name = ip_addr->get_host_str(); |
| 452 | if (is_similar_hostname(host->hostname, canonical_name)) { |
| 453 | delete ip_addr; |
| 454 | return TRUE; |
| 455 | } |
| 456 | if (host->local_hostname_different && |
| 457 | is_similar_hostname(host->hostname_local, canonical_name)) { |
| 458 | delete ip_addr; |
| 459 | return TRUE; |
| 460 | } |
| 461 | } |
| 462 | delete ip_addr; |
| 463 | return FALSE; |
| 464 | } |
| 465 | |
| 466 | boolean MainController::member_of_group(const host_struct *host, |
| 467 | const host_group_struct *group) |
| 468 | { |
| 469 | if (group->has_all_hosts) return TRUE; |
| 470 | for (int i = 0; ; i++) { |
| 471 | const char *member_name = get_string_from_set(&group->host_members, i); |
| 472 | if (member_name != NULL) { |
| 473 | if (host_has_name(host, member_name)) return TRUE; |
| 474 | } else if (i == 0) { |
| 475 | // empty group: the group name is considered as a hostname |
| 476 | return host_has_name(host, group->group_name); |
| 477 | } else { |
| 478 | // no more members |
| 479 | break; |
| 480 | } |
| 481 | } |
| 482 | return FALSE; |
| 483 | } |
| 484 | |
| 485 | void MainController::add_allowed_components(host_struct *host) |
| 486 | { |
| 487 | init_string_set(&host->allowed_components); |
| 488 | host->all_components_allowed = FALSE; |
| 489 | for (int i = 0; i < n_host_groups; i++) { |
| 490 | host_group_struct *group = host_groups + i; |
| 491 | if (!member_of_group(host, group)) continue; |
| 492 | for (int j = 0; ; j++) { |
| 493 | const char *component_id = |
| 494 | get_string_from_set(&group->assigned_components, j); |
| 495 | if (component_id == NULL) break; |
| 496 | add_string_to_set(&host->allowed_components, component_id); |
| 497 | } |
| 498 | if (group->has_all_components) host->all_components_allowed = TRUE; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | host_struct *MainController::choose_ptc_location(const char *component_type, |
| 503 | const char *component_name, const char *component_location) |
| 504 | { |
| 505 | host_struct *best_candidate = NULL; |
| 506 | int load_on_best_candidate = 0; |
| 507 | boolean has_constraint = |
| 508 | set_has_string(&assigned_components, component_type) || |
| 509 | set_has_string(&assigned_components, component_name); |
| 510 | host_group_struct *group; |
| 511 | if (component_location != NULL) |
| 512 | group = lookup_host_group(component_location); |
| 513 | else group = NULL; |
| 514 | for (int i = 0; i < n_hosts; i++) { |
| 515 | host_struct *host = hosts[i]; |
| 516 | if (host->hc_state != HC_ACTIVE) continue; |
| 517 | if (best_candidate != NULL && |
| 518 | host->n_active_components >= load_on_best_candidate) continue; |
| 519 | if (component_location != NULL) { |
| 520 | // the explicit location has precedence over the constraints |
| 521 | if (group != NULL) { |
| 522 | if (!member_of_group(host, group)) continue; |
| 523 | } else { |
| 524 | if (!host_has_name(host, component_location)) continue; |
| 525 | } |
| 526 | } else if (has_constraint) { |
| 527 | if (!set_has_string(&host->allowed_components, component_type) && |
| 528 | !set_has_string(&host->allowed_components, component_name)) |
| 529 | continue; |
| 530 | } else if (all_components_assigned) { |
| 531 | if (!host->all_components_allowed) continue; |
| 532 | } |
| 533 | best_candidate = host; |
| 534 | load_on_best_candidate = host->n_active_components; |
| 535 | } |
| 536 | return best_candidate; |
| 537 | } |
| 538 | |
| 539 | int MainController::n_hosts; |
| 540 | host_struct **MainController::hosts; |
| 541 | |
| 542 | host_struct *MainController::add_new_host(unknown_connection *conn) |
| 543 | { |
| 544 | Text_Buf *text_buf = conn->text_buf; |
| 545 | int fd = conn->fd; |
| 546 | |
| 547 | host_struct *new_host = new host_struct; |
| 548 | |
| 549 | new_host->ip_addr = conn->ip_addr; |
| 550 | new_host->hostname = mcopystr(new_host->ip_addr->get_host_str()); |
| 551 | new_host->hostname_local = text_buf->pull_string(); |
| 552 | new_host->machine_type = text_buf->pull_string(); |
| 553 | new_host->system_name = text_buf->pull_string(); |
| 554 | new_host->system_release = text_buf->pull_string(); |
| 555 | new_host->system_version = text_buf->pull_string(); |
| 556 | for (int i = 0; i < TRANSPORT_NUM; i++) |
| 557 | new_host->transport_supported[i] = FALSE; |
| 558 | int n_supported_transports = text_buf->pull_int().get_val(); |
| 559 | for (int i = 0; i < n_supported_transports; i++) { |
| 560 | int transport_type = text_buf->pull_int().get_val(); |
| 561 | if (transport_type >= 0 && transport_type < TRANSPORT_NUM) { |
| 562 | if (new_host->transport_supported[transport_type]) { |
| 563 | send_error(fd, "Malformed VERSION message was received: " |
| 564 | "Transport type %s was specified more than once.", |
| 565 | get_transport_name((transport_type_enum)transport_type)); |
| 566 | } else new_host->transport_supported[transport_type] = TRUE; |
| 567 | } else { |
| 568 | send_error(fd, "Malformed VERSION message was received: " |
| 569 | "Transport type code %d is invalid.", transport_type); |
| 570 | } |
| 571 | } |
| 572 | if (!new_host->transport_supported[TRANSPORT_LOCAL]) { |
| 573 | send_error(fd, "Malformed VERSION message was received: " |
| 574 | "Transport type %s must be supported anyway.", |
| 575 | get_transport_name(TRANSPORT_LOCAL)); |
| 576 | } |
| 577 | if (!new_host->transport_supported[TRANSPORT_INET_STREAM]) { |
| 578 | send_error(fd, "Malformed VERSION message was received: " |
| 579 | "Transport type %s must be supported anyway.", |
| 580 | get_transport_name(TRANSPORT_INET_STREAM)); |
| 581 | } |
| 582 | new_host->log_source = mprintf("HC@%s", new_host->hostname_local); |
| 583 | new_host->hc_state = HC_IDLE; |
| 584 | new_host->hc_fd = fd; |
| 585 | new_host->text_buf = text_buf; |
| 586 | new_host->n_components = 0; |
| 587 | new_host->components = NULL; |
| 588 | // in most cases hostname and hostname_local are similar ("foo.bar.com" vs. |
| 589 | // "foo") and it is enough to compare only the (fully qualified) hostname |
| 590 | // when evaluating PTC location constraints |
| 591 | new_host->local_hostname_different = |
| 592 | !is_similar_hostname(new_host->hostname, new_host->hostname_local); |
| 593 | add_allowed_components(new_host); |
| 594 | new_host->n_active_components = 0; |
| 595 | |
| 596 | text_buf->cut_message(); |
| 597 | |
| 598 | delete_unknown_connection(conn); |
| 599 | |
| 600 | n_hosts++; |
| 601 | hosts = (host_struct**)Realloc(hosts, n_hosts * sizeof(*hosts)); |
| 602 | hosts[n_hosts - 1] = new_host; |
| 603 | |
| 604 | fd_table[fd].fd_type = FD_HC; |
| 605 | fd_table[fd].host_ptr = new_host; |
| 606 | |
| 607 | notify("New HC connected from %s [%s]. %s: %s %s on %s.", |
| 608 | new_host->hostname, new_host->ip_addr->get_addr_str(), |
| 609 | new_host->hostname_local, new_host->system_name, |
| 610 | new_host->system_release, new_host->machine_type); |
| 611 | |
| 612 | return new_host; |
| 613 | } |
| 614 | |
| 615 | void MainController::close_hc_connection(host_struct *hc) |
| 616 | { |
| 617 | if (hc->hc_state != HC_DOWN) { |
| 618 | remove_poll_fd(hc->hc_fd); |
| 619 | close(hc->hc_fd); |
| 620 | remove_fd_from_table(hc->hc_fd); |
| 621 | hc->hc_fd = -1; |
| 622 | delete hc->text_buf; |
| 623 | hc->text_buf = NULL; |
| 624 | hc->hc_state = HC_DOWN; |
| 625 | enable_server_fd(); |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | boolean MainController::is_hc_in_state(hc_state_enum checked_state) |
| 630 | { |
| 631 | for (int i = 0; i < n_hosts; i++) |
| 632 | if (hosts[i]->hc_state == checked_state) return TRUE; |
| 633 | return FALSE; |
| 634 | } |
| 635 | |
| 636 | boolean MainController::all_hc_in_state(hc_state_enum checked_state) |
| 637 | { |
| 638 | for (int i = 0; i < n_hosts; i++) |
| 639 | if (hosts[i]->hc_state != checked_state) return FALSE; |
| 640 | return TRUE; |
| 641 | } |
| 642 | |
| 643 | void MainController::configure_host(host_struct *host, boolean should_notify) |
| 644 | { |
| 645 | if(config_str == NULL) |
| 646 | fatal_error("MainController::configure_host: no config file"); |
| 647 | hc_state_enum next_state = HC_CONFIGURING; |
| 648 | switch(host->hc_state) { |
| 649 | case HC_CONFIGURING: |
| 650 | case HC_CONFIGURING_OVERLOADED: |
| 651 | case HC_EXITING: |
| 652 | fatal_error("MainController::configure_host:" |
| 653 | " host %s is in wrong state.", |
| 654 | host->hostname); |
| 655 | break; |
| 656 | case HC_DOWN: |
| 657 | break; |
| 658 | case HC_OVERLOADED: |
| 659 | next_state = HC_CONFIGURING_OVERLOADED; |
| 660 | // no break |
| 661 | default: |
| 662 | host->hc_state = next_state; |
| 663 | if (should_notify) { |
| 664 | notify("Downloading configuration file to HC on host %s.", |
| 665 | host->hostname); |
| 666 | } |
| 667 | send_configure(host, config_str); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | void MainController::check_all_hc_configured() |
| 672 | { |
| 673 | if (is_hc_in_state(HC_CONFIGURING) || |
| 674 | is_hc_in_state(HC_CONFIGURING_OVERLOADED)) return; |
| 675 | if (is_hc_in_state(HC_IDLE)) { |
| 676 | error("There were errors during configuring HCs."); |
| 677 | mc_state = MC_HC_CONNECTED; |
| 678 | } else if (is_hc_in_state(HC_ACTIVE) || is_hc_in_state(HC_OVERLOADED)) { |
| 679 | notify("Configuration file was processed on all HCs."); |
| 680 | mc_state = MC_ACTIVE; |
| 681 | } else { |
| 682 | error("There is no HC connection after processing the configuration " |
| 683 | "file."); |
| 684 | mc_state = MC_LISTENING; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | void MainController::add_component_to_host(host_struct *host, |
| 689 | component_struct *comp) |
| 690 | { |
| 691 | if (comp->comp_ref == MTC_COMPREF) |
| 692 | comp->log_source = mprintf("MTC@%s", host->hostname_local); |
| 693 | else if (comp->comp_name != NULL) |
| 694 | comp->log_source = mprintf("%s(%d)@%s", comp->comp_name, |
| 695 | comp->comp_ref, host->hostname_local); |
| 696 | else comp->log_source = mprintf("%d@%s", comp->comp_ref, |
| 697 | host->hostname_local); |
| 698 | comp->comp_location = host; |
| 699 | int i; |
| 700 | for (i = host->n_components; i > 0; i--) { |
| 701 | if (host->components[i - 1] < comp->comp_ref) break; |
| 702 | else if (host->components[i - 1] == comp->comp_ref) return; |
| 703 | } |
| 704 | host->components = (component*)Realloc(host->components, |
| 705 | (host->n_components + 1) * sizeof(component)); |
| 706 | memmove(host->components + i + 1, host->components + i, |
| 707 | (host->n_components - i) * sizeof(component)); |
| 708 | host->components[i] = comp->comp_ref; |
| 709 | host->n_components++; |
| 710 | } |
| 711 | |
| 712 | void MainController::remove_component_from_host(component_struct *comp) |
| 713 | { |
| 714 | Free(comp->log_source); |
| 715 | comp->log_source = NULL; |
| 716 | host_struct *host = comp->comp_location; |
| 717 | if (host != NULL) { |
| 718 | component comp_ref = comp->comp_ref; |
| 719 | int i; |
| 720 | for (i = host->n_components - 1; i >= 0; i--) { |
| 721 | if (host->components[i] == comp_ref) break; |
| 722 | else if (host->components[i] < comp_ref) return; |
| 723 | } |
| 724 | if (i < 0) return; |
| 725 | host->n_components--; |
| 726 | memmove(host->components + i, host->components + i + 1, |
| 727 | (host->n_components - i) * sizeof(component)); |
| 728 | host->components = (component*)Realloc(host->components, |
| 729 | host->n_components * sizeof(component)); |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | boolean MainController::version_known; |
| 734 | int MainController::n_modules; |
| 735 | module_version_info *MainController::modules; |
| 736 | |
| 737 | #ifdef TTCN3_BUILDNUMBER |
| 738 | #define TTCN3_BUILDNUMBER_SAFE TTCN3_BUILDNUMBER |
| 739 | #else |
| 740 | #define TTCN3_BUILDNUMBER_SAFE 0 |
| 741 | #endif |
| 742 | |
| 743 | |
| 744 | boolean MainController::check_version(unknown_connection *conn) |
| 745 | { |
| 746 | Text_Buf& text_buf = *conn->text_buf; |
| 747 | int version_major = text_buf.pull_int().get_val(); |
| 748 | int version_minor = text_buf.pull_int().get_val(); |
| 749 | int version_patchlevel = text_buf.pull_int().get_val(); |
| 750 | if (version_major != TTCN3_MAJOR || version_minor != TTCN3_MINOR || |
| 751 | version_patchlevel != TTCN3_PATCHLEVEL) { |
| 752 | send_error(conn->fd, "Version mismatch: The TTCN-3 Main Controller has " |
| 753 | "version " PRODUCT_NUMBER ", but the ETS was built with version " |
| 754 | "%d.%d.pl%d.", version_major, version_minor, version_patchlevel); |
| 755 | return TRUE; |
| 756 | } |
| 757 | int version_buildnumber = text_buf.pull_int().get_val(); |
| 758 | if (version_buildnumber != TTCN3_BUILDNUMBER_SAFE) { |
| 759 | if (version_buildnumber > 0) send_error(conn->fd, "Build number " |
| 760 | "mismatch: The TTCN-3 Main Controller has version " PRODUCT_NUMBER |
| 761 | ", but the ETS was built with %d.%d.pre%d build %d.", |
| 762 | version_major, version_minor, version_patchlevel, |
| 763 | version_buildnumber); |
| 764 | else send_error(conn->fd, "Build number mismatch: The TTCN-3 Main " |
| 765 | "Controller has version " PRODUCT_NUMBER ", but the ETS was built " |
| 766 | "with %d.%d.pl%d.", version_major, version_minor, |
| 767 | version_patchlevel); |
| 768 | return TRUE; |
| 769 | } |
| 770 | if (version_known) { |
| 771 | int new_n_modules = text_buf.pull_int().get_val(); |
| 772 | if (n_modules != new_n_modules) { |
| 773 | send_error(conn->fd, "The number of modules in this ETS (%d) " |
| 774 | "differs from the number of modules in the firstly connected " |
| 775 | "ETS (%d).", new_n_modules, n_modules); |
| 776 | return TRUE; |
| 777 | } |
| 778 | for (int i = 0; i < n_modules; i++) { |
| 779 | char *module_name = text_buf.pull_string(); |
| 780 | if (strcmp(module_name, modules[i].module_name)) { |
| 781 | send_error(conn->fd, "The module number %d in this ETS (%s) " |
| 782 | "has different name than in the firstly connected ETS (%s).", |
| 783 | i, module_name, modules[i].module_name); |
| 784 | delete [] module_name; |
| 785 | return TRUE; |
| 786 | } |
| 787 | boolean checksum_differs = FALSE; |
| 788 | int checksum_length = text_buf.pull_int().get_val(); |
| 789 | unsigned char *module_checksum; |
| 790 | if (checksum_length != 0) { |
| 791 | module_checksum = new unsigned char[checksum_length]; |
| 792 | text_buf.pull_raw(checksum_length, module_checksum); |
| 793 | } else module_checksum = NULL; |
| 794 | if (checksum_length != modules[i].checksum_length || |
| 795 | memcmp(module_checksum, modules[i].module_checksum, |
| 796 | checksum_length)) checksum_differs = TRUE; |
| 797 | delete [] module_checksum; |
| 798 | if (checksum_differs) { |
| 799 | send_error(conn->fd, "The checksum of module %s in this ETS " |
| 800 | "is different than that of the firstly connected ETS.", |
| 801 | module_name); |
| 802 | } |
| 803 | delete [] module_name; |
| 804 | if (checksum_differs) return TRUE; |
| 805 | } |
| 806 | } else { |
| 807 | n_modules = text_buf.pull_int().get_val(); |
| 808 | modules = new module_version_info[n_modules]; |
| 809 | for (int i = 0; i < n_modules; i++) { |
| 810 | modules[i].module_name = text_buf.pull_string(); |
| 811 | modules[i].checksum_length = text_buf.pull_int().get_val(); |
| 812 | if (modules[i].checksum_length > 0) { |
| 813 | modules[i].module_checksum = |
| 814 | new unsigned char[modules[i].checksum_length]; |
| 815 | text_buf.pull_raw(modules[i].checksum_length, |
| 816 | modules[i].module_checksum); |
| 817 | } else modules[i].module_checksum = NULL; |
| 818 | } |
| 819 | version_known = TRUE; |
| 820 | } |
| 821 | return FALSE; |
| 822 | } |
| 823 | |
| 824 | int MainController::n_components, MainController::n_active_ptcs, |
| 825 | MainController::max_ptcs; |
| 826 | component_struct **MainController::components; |
| 827 | component_struct *MainController::mtc, *MainController::system; |
| 828 | component MainController::next_comp_ref, MainController::tc_first_comp_ref; |
| 829 | |
| 830 | boolean MainController::any_component_done_requested, |
| 831 | MainController::any_component_done_sent, |
| 832 | MainController::all_component_done_requested, |
| 833 | MainController::any_component_killed_requested, |
| 834 | MainController::all_component_killed_requested; |
| 835 | |
| 836 | void MainController::add_component(component_struct *comp) |
| 837 | { |
| 838 | component comp_ref = comp->comp_ref; |
| 839 | if (lookup_component(comp_ref) != NULL) |
| 840 | fatal_error("MainController::add_component: duplicate " |
| 841 | "component reference %d.", comp_ref); |
| 842 | if (n_components <= comp_ref) { |
| 843 | components = (component_struct**)Realloc(components, (comp_ref + 1) * |
| 844 | sizeof(component_struct*)); |
| 845 | for (int i = n_components; i < comp_ref; i++) components[i] = NULL; |
| 846 | n_components = comp_ref + 1; |
| 847 | } |
| 848 | components[comp_ref] = comp; |
| 849 | } |
| 850 | |
| 851 | component_struct *MainController::lookup_component(component comp_ref) |
| 852 | { |
| 853 | if (comp_ref >= 0 && comp_ref < n_components) return components[comp_ref]; |
| 854 | else return NULL; |
| 855 | } |
| 856 | |
| 857 | void MainController::destroy_all_components() |
| 858 | { |
| 859 | for (component i = 0; i < n_components; i++) { |
| 860 | component_struct *comp = components[i]; |
| 861 | if (comp != NULL) { |
| 862 | close_tc_connection(comp); |
| 863 | remove_component_from_host(comp); |
| 864 | free_qualified_name(&comp->comp_type); |
| 865 | delete [] comp->comp_name; |
| 866 | free_qualified_name(&comp->tc_fn_name); |
| 867 | delete [] comp->return_type; |
| 868 | Free(comp->return_value); |
| 869 | if (comp->verdict_reason != NULL) { |
| 870 | delete [] comp->verdict_reason; |
| 871 | comp->verdict_reason = NULL; |
| 872 | } |
| 873 | switch (comp->tc_state) { |
| 874 | case TC_INITIAL: |
| 875 | delete [] comp->initial.location_str; |
| 876 | break; |
| 877 | case PTC_STARTING: |
| 878 | Free(comp->starting.arguments_ptr); |
| 879 | free_requestors(&comp->starting.cancel_done_sent_to); |
| 880 | break; |
| 881 | case TC_STOPPING: |
| 882 | case PTC_STOPPING_KILLING: |
| 883 | case PTC_KILLING: |
| 884 | free_requestors(&comp->stopping_killing.stop_requestors); |
| 885 | free_requestors(&comp->stopping_killing.kill_requestors); |
| 886 | default: |
| 887 | break; |
| 888 | } |
| 889 | free_requestors(&comp->done_requestors); |
| 890 | free_requestors(&comp->killed_requestors); |
| 891 | free_requestors(&comp->cancel_done_sent_for); |
| 892 | remove_all_connections(i); |
| 893 | delete comp; |
| 894 | } |
| 895 | } |
| 896 | Free(components); |
| 897 | components = NULL; |
| 898 | n_components = 0; |
| 899 | n_active_ptcs = 0; |
| 900 | mtc = NULL; |
| 901 | system = NULL; |
| 902 | |
| 903 | for (int i = 0; i < n_hosts; i++) hosts[i]->n_active_components = 0; |
| 904 | |
| 905 | next_comp_ref = FIRST_PTC_COMPREF; |
| 906 | |
| 907 | any_component_done_requested = FALSE; |
| 908 | any_component_done_sent = FALSE; |
| 909 | all_component_done_requested = FALSE; |
| 910 | any_component_killed_requested = FALSE; |
| 911 | all_component_killed_requested = FALSE; |
| 912 | } |
| 913 | |
| 914 | void MainController::close_tc_connection(component_struct *comp) |
| 915 | { |
| 916 | if (comp->tc_fd >= 0) { |
| 917 | remove_poll_fd(comp->tc_fd); |
| 918 | close(comp->tc_fd); |
| 919 | remove_fd_from_table(comp->tc_fd); |
| 920 | comp->tc_fd = -1; |
| 921 | delete comp->text_buf; |
| 922 | comp->text_buf = NULL; |
| 923 | enable_server_fd(); |
| 924 | } |
| 925 | if (comp->kill_timer != NULL) { |
| 926 | cancel_timer(comp->kill_timer); |
| 927 | comp->kill_timer = NULL; |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | boolean MainController::stop_after_tc, MainController::stop_requested; |
| 932 | |
| 933 | boolean MainController::ready_to_finish_testcase() |
| 934 | { |
| 935 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 936 | switch (components[i]->tc_state) { |
| 937 | case TC_EXITED: |
| 938 | case PTC_STALE: |
| 939 | break; |
| 940 | default: |
| 941 | return FALSE; |
| 942 | } |
| 943 | } |
| 944 | return TRUE; |
| 945 | } |
| 946 | |
| 947 | void MainController::finish_testcase() |
| 948 | { |
| 949 | if (stop_requested) { |
| 950 | send_ptc_verdict(FALSE); |
| 951 | send_stop(mtc); |
| 952 | mtc->tc_state = MTC_CONTROLPART; |
| 953 | mtc->stop_requested = TRUE; |
| 954 | start_kill_timer(mtc); |
| 955 | mc_state = MC_EXECUTING_CONTROL; |
| 956 | } else if (stop_after_tc) { |
| 957 | send_ptc_verdict(FALSE); |
| 958 | mtc->tc_state = MTC_PAUSED; |
| 959 | mc_state = MC_PAUSED; |
| 960 | notify("Execution has been paused."); |
| 961 | } else { |
| 962 | send_ptc_verdict(TRUE); |
| 963 | mtc->tc_state = MTC_CONTROLPART; |
| 964 | mc_state = MC_EXECUTING_CONTROL; |
| 965 | } |
| 966 | |
| 967 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 968 | components[i]->tc_state = PTC_STALE; |
| 969 | } |
| 970 | mtc->local_verdict = NONE; |
| 971 | free_qualified_name(&mtc->comp_type); |
| 972 | free_qualified_name(&mtc->tc_fn_name); |
| 973 | free_qualified_name(&system->comp_type); |
| 974 | } |
| 975 | |
| 976 | boolean MainController::message_expected(component_struct *from, |
| 977 | const char *message_name) |
| 978 | { |
| 979 | switch (mc_state) { |
| 980 | case MC_EXECUTING_TESTCASE: |
| 981 | switch (mtc->tc_state) { |
| 982 | case MTC_ALL_COMPONENT_STOP: |
| 983 | case MTC_ALL_COMPONENT_KILL: |
| 984 | // silently ignore |
| 985 | return FALSE; |
| 986 | default: |
| 987 | return TRUE; |
| 988 | } |
| 989 | case MC_TERMINATING_TESTCASE: |
| 990 | // silently ignore |
| 991 | return FALSE; |
| 992 | default: |
| 993 | send_error(from->tc_fd, "Unexpected message %s was received.", |
| 994 | message_name); |
| 995 | return FALSE; |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | boolean MainController::request_allowed(component_struct *from, |
| 1000 | const char *message_name) |
| 1001 | { |
| 1002 | if (!message_expected(from, message_name)) return FALSE; |
| 1003 | |
| 1004 | switch (from->tc_state) { |
| 1005 | case MTC_TESTCASE: |
| 1006 | if (from == mtc) return TRUE; |
| 1007 | else break; |
| 1008 | case PTC_FUNCTION: |
| 1009 | if (from != mtc) return TRUE; |
| 1010 | else break; |
| 1011 | case TC_STOPPING: |
| 1012 | case PTC_STOPPING_KILLING: |
| 1013 | case PTC_KILLING: |
| 1014 | // silently ignore |
| 1015 | return FALSE; |
| 1016 | default: |
| 1017 | break; |
| 1018 | } |
| 1019 | send_error(from->tc_fd, "The sender of message %s is in " |
| 1020 | "unexpected state.", message_name); |
| 1021 | return FALSE; |
| 1022 | } |
| 1023 | |
| 1024 | boolean MainController::valid_endpoint(component component_reference, |
| 1025 | boolean new_connection, component_struct *requestor, const char *operation) |
| 1026 | { |
| 1027 | switch (component_reference) { |
| 1028 | case NULL_COMPREF: |
| 1029 | send_error(requestor->tc_fd, "The %s operation refers to the null " |
| 1030 | "component reference.", operation); |
| 1031 | return FALSE; |
| 1032 | case SYSTEM_COMPREF: |
| 1033 | send_error(requestor->tc_fd, "The %s operation refers to the system " |
| 1034 | "component reference.", operation); |
| 1035 | return FALSE; |
| 1036 | case ANY_COMPREF: |
| 1037 | send_error(requestor->tc_fd, "The %s operation refers to " |
| 1038 | "'any component'.", operation); |
| 1039 | return FALSE; |
| 1040 | case ALL_COMPREF: |
| 1041 | send_error(requestor->tc_fd, "The %s operation refers to " |
| 1042 | "'all component'.", operation); |
| 1043 | return FALSE; |
| 1044 | default: |
| 1045 | break; |
| 1046 | } |
| 1047 | component_struct *comp = lookup_component(component_reference); |
| 1048 | if (comp == NULL) { |
| 1049 | send_error(requestor->tc_fd, "The %s operation refers to " |
| 1050 | "invalid component reference %d.", operation, |
| 1051 | component_reference); |
| 1052 | return FALSE; |
| 1053 | } |
| 1054 | switch (comp->tc_state) { |
| 1055 | case TC_IDLE: |
| 1056 | case TC_CREATE: |
| 1057 | case TC_START: |
| 1058 | case TC_STOP: |
| 1059 | case TC_KILL: |
| 1060 | case TC_CONNECT: |
| 1061 | case TC_DISCONNECT: |
| 1062 | case TC_MAP: |
| 1063 | case TC_UNMAP: |
| 1064 | case TC_STOPPING: |
| 1065 | case MTC_TESTCASE: |
| 1066 | case PTC_FUNCTION: |
| 1067 | case PTC_STARTING: |
| 1068 | case PTC_STOPPED: |
| 1069 | return TRUE; |
| 1070 | case PTC_KILLING: |
| 1071 | case PTC_STOPPING_KILLING: |
| 1072 | if (new_connection) { |
| 1073 | send_error(requestor->tc_fd, "The %s operation refers to test " |
| 1074 | "component with component reference %d, which is currently " |
| 1075 | "being terminated.", operation, component_reference); |
| 1076 | return FALSE; |
| 1077 | } else return TRUE; |
| 1078 | case TC_EXITING: |
| 1079 | case TC_EXITED: |
| 1080 | if (new_connection) { |
| 1081 | send_error(requestor->tc_fd, "The %s operation refers to test " |
| 1082 | "component with component reference %d, which has already " |
| 1083 | "terminated.", operation, component_reference); |
| 1084 | return FALSE; |
| 1085 | } else return TRUE; |
| 1086 | case PTC_STALE: |
| 1087 | send_error(requestor->tc_fd, "The %s operation refers to component " |
| 1088 | "reference %d, which belongs to an earlier test case.", |
| 1089 | operation, component_reference); |
| 1090 | return FALSE; |
| 1091 | default: |
| 1092 | send_error(requestor->tc_fd, "The %s operation refers to component " |
| 1093 | "reference %d, which is in invalid state.", |
| 1094 | operation, component_reference); |
| 1095 | error("Test component with component reference %d is in invalid state " |
| 1096 | "when a %s operation was requested on a port of it.", |
| 1097 | component_reference, operation); |
| 1098 | return FALSE; |
| 1099 | } |
| 1100 | } |
| 1101 | |
| 1102 | void MainController::destroy_connection(port_connection *conn, |
| 1103 | component_struct *tc) |
| 1104 | { |
| 1105 | switch (conn->conn_state) { |
| 1106 | case CONN_LISTENING: |
| 1107 | case CONN_CONNECTING: |
| 1108 | if (conn->transport_type != TRANSPORT_LOCAL && |
| 1109 | conn->head.comp_ref != tc->comp_ref) { |
| 1110 | // shut down the server side if the client has terminated |
| 1111 | send_disconnect_to_server(conn); |
| 1112 | } |
| 1113 | send_error_to_connect_requestors(conn, "test component %d has " |
| 1114 | "terminated during connection setup.", tc->comp_ref); |
| 1115 | break; |
| 1116 | case CONN_CONNECTED: |
| 1117 | break; |
| 1118 | case CONN_DISCONNECTING: |
| 1119 | send_disconnect_ack_to_requestors(conn); |
| 1120 | break; |
| 1121 | default: |
| 1122 | error("The port connection %d:%s - %d:%s is in invalid state when " |
| 1123 | "test component %d has terminated.", conn->head.comp_ref, |
| 1124 | conn->head.port_name, conn->tail.comp_ref, conn->tail.port_name, |
| 1125 | tc->comp_ref); |
| 1126 | } |
| 1127 | remove_connection(conn); |
| 1128 | } |
| 1129 | |
| 1130 | void MainController::destroy_mapping(port_connection *conn) |
| 1131 | { |
| 1132 | component tc_compref; |
| 1133 | const char *tc_port, *system_port; |
| 1134 | if (conn->head.comp_ref == SYSTEM_COMPREF) { |
| 1135 | tc_compref = conn->tail.comp_ref; |
| 1136 | tc_port = conn->tail.port_name; |
| 1137 | system_port = conn->head.port_name; |
| 1138 | } else { |
| 1139 | tc_compref = conn->head.comp_ref; |
| 1140 | tc_port = conn->head.port_name; |
| 1141 | system_port = conn->tail.port_name; |
| 1142 | } |
| 1143 | switch (conn->conn_state) { |
| 1144 | case CONN_UNMAPPING: |
| 1145 | for (int i = 0; ; i++) { |
| 1146 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 1147 | if (comp == NULL) break; |
| 1148 | if (comp->tc_state == TC_UNMAP) { |
| 1149 | send_unmap_ack(comp); |
| 1150 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 1151 | else comp->tc_state = PTC_FUNCTION; |
| 1152 | } |
| 1153 | } |
| 1154 | break; |
| 1155 | case CONN_MAPPING: |
| 1156 | for (int i = 0; ; i++) { |
| 1157 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 1158 | if (comp == NULL) break; |
| 1159 | if (comp->tc_state == TC_MAP) { |
| 1160 | send_error(comp->tc_fd, "Establishment of port mapping " |
| 1161 | "%d:%s - system:%s failed because the test component " |
| 1162 | "endpoint has terminated.", tc_compref, tc_port, |
| 1163 | system_port); |
| 1164 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 1165 | else comp->tc_state = PTC_FUNCTION; |
| 1166 | } |
| 1167 | } |
| 1168 | default: |
| 1169 | break; |
| 1170 | } |
| 1171 | remove_connection(conn); |
| 1172 | } |
| 1173 | |
| 1174 | boolean MainController::stop_all_components() |
| 1175 | { |
| 1176 | boolean ready_for_ack = TRUE; |
| 1177 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 1178 | component_struct *tc = components[i]; |
| 1179 | switch (tc->tc_state) { |
| 1180 | case TC_INITIAL: |
| 1181 | // we do not have to termiate the PTC (and wait for the control |
| 1182 | // connection) if it is alive |
| 1183 | if (!tc->is_alive) ready_for_ack = FALSE; |
| 1184 | break; |
| 1185 | case TC_IDLE: |
| 1186 | // do nothing if the component is alive |
| 1187 | if (!tc->is_alive) { |
| 1188 | send_kill(tc); |
| 1189 | tc->tc_state = PTC_KILLING; |
| 1190 | tc->stop_requested = TRUE; |
| 1191 | init_requestors(&tc->stopping_killing.stop_requestors, NULL); |
| 1192 | init_requestors(&tc->stopping_killing.kill_requestors, NULL); |
| 1193 | start_kill_timer(tc); |
| 1194 | ready_for_ack = FALSE; |
| 1195 | } |
| 1196 | break; |
| 1197 | case TC_CREATE: |
| 1198 | case TC_START: |
| 1199 | case TC_STOP: |
| 1200 | case TC_KILL: |
| 1201 | case TC_CONNECT: |
| 1202 | case TC_DISCONNECT: |
| 1203 | case TC_MAP: |
| 1204 | case TC_UNMAP: |
| 1205 | case PTC_FUNCTION: |
| 1206 | // the PTC is executing behaviour |
| 1207 | if (tc->is_alive) { |
| 1208 | send_stop(tc); |
| 1209 | tc->tc_state = TC_STOPPING; |
| 1210 | } else { |
| 1211 | // STOP is never sent to non-alive PTCs |
| 1212 | send_kill(tc); |
| 1213 | tc->tc_state = PTC_STOPPING_KILLING; |
| 1214 | } |
| 1215 | tc->stop_requested = TRUE; |
| 1216 | init_requestors(&tc->stopping_killing.stop_requestors, NULL); |
| 1217 | init_requestors(&tc->stopping_killing.kill_requestors, NULL); |
| 1218 | start_kill_timer(tc); |
| 1219 | ready_for_ack = FALSE; |
| 1220 | break; |
| 1221 | case PTC_STARTING: |
| 1222 | // do nothing, just put it back to STOPPED state |
| 1223 | free_qualified_name(&tc->tc_fn_name); |
| 1224 | Free(tc->starting.arguments_ptr); |
| 1225 | free_requestors(&tc->starting.cancel_done_sent_to); |
| 1226 | tc->tc_state = PTC_STOPPED; |
| 1227 | break; |
| 1228 | case TC_STOPPING: |
| 1229 | case PTC_STOPPING_KILLING: |
| 1230 | free_requestors(&tc->stopping_killing.stop_requestors); |
| 1231 | free_requestors(&tc->stopping_killing.kill_requestors); |
| 1232 | ready_for_ack = FALSE; |
| 1233 | break; |
| 1234 | case PTC_KILLING: |
| 1235 | free_requestors(&tc->stopping_killing.stop_requestors); |
| 1236 | free_requestors(&tc->stopping_killing.kill_requestors); |
| 1237 | // we have to wait only if the PTC is non-alive |
| 1238 | if (!tc->is_alive) ready_for_ack = FALSE; |
| 1239 | break; |
| 1240 | case PTC_STOPPED: |
| 1241 | case TC_EXITING: |
| 1242 | case TC_EXITED: |
| 1243 | case PTC_STALE: |
| 1244 | break; |
| 1245 | default: |
| 1246 | error("Test Component %d is in invalid state when stopping all " |
| 1247 | "components.", tc->comp_ref); |
| 1248 | } |
| 1249 | // only mtc is preserved in done_requestors and killed_requestors |
| 1250 | boolean mtc_requested_done = has_requestor(&tc->done_requestors, mtc); |
| 1251 | free_requestors(&tc->done_requestors); |
| 1252 | if (mtc_requested_done) add_requestor(&tc->done_requestors, mtc); |
| 1253 | boolean mtc_requested_killed = has_requestor(&tc->killed_requestors, |
| 1254 | mtc); |
| 1255 | free_requestors(&tc->killed_requestors); |
| 1256 | if (mtc_requested_killed) add_requestor(&tc->killed_requestors, mtc); |
| 1257 | free_requestors(&tc->cancel_done_sent_for); |
| 1258 | } |
| 1259 | return ready_for_ack; |
| 1260 | |
| 1261 | } |
| 1262 | |
| 1263 | void MainController::check_all_component_stop() |
| 1264 | { |
| 1265 | // MTC has requested 'all component.stop' |
| 1266 | // we have to send acknowledgement to MTC only |
| 1267 | boolean ready_for_ack = TRUE; |
| 1268 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 1269 | component_struct *comp = components[i]; |
| 1270 | switch (comp->tc_state) { |
| 1271 | case TC_INITIAL: |
| 1272 | case PTC_KILLING: |
| 1273 | if (!comp->is_alive) ready_for_ack = FALSE; |
| 1274 | break; |
| 1275 | case TC_STOPPING: |
| 1276 | case PTC_STOPPING_KILLING: |
| 1277 | ready_for_ack = FALSE; |
| 1278 | break; |
| 1279 | case TC_EXITING: |
| 1280 | case TC_EXITED: |
| 1281 | case PTC_STOPPED: |
| 1282 | case PTC_STALE: |
| 1283 | break; |
| 1284 | case TC_IDLE: |
| 1285 | // only alive components can be in idle state |
| 1286 | if (comp->is_alive) break; |
| 1287 | default: |
| 1288 | error("PTC %d is in invalid state when performing " |
| 1289 | "'all component.stop' operation.", comp->comp_ref); |
| 1290 | } |
| 1291 | if (!ready_for_ack) break; |
| 1292 | } |
| 1293 | if (ready_for_ack) { |
| 1294 | send_stop_ack(mtc); |
| 1295 | mtc->tc_state = MTC_TESTCASE; |
| 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | void MainController::send_stop_ack_to_requestors(component_struct *tc) |
| 1300 | { |
| 1301 | for (int i = 0; ; i++) { |
| 1302 | component_struct *requestor = |
| 1303 | get_requestor(&tc->stopping_killing.stop_requestors, i); |
| 1304 | if (requestor == NULL) break; |
| 1305 | if (requestor->tc_state == TC_STOP) { |
| 1306 | send_stop_ack(requestor); |
| 1307 | if (requestor == mtc) requestor->tc_state = MTC_TESTCASE; |
| 1308 | else requestor->tc_state = PTC_FUNCTION; |
| 1309 | } |
| 1310 | } |
| 1311 | free_requestors(&tc->stopping_killing.stop_requestors); |
| 1312 | } |
| 1313 | |
| 1314 | boolean MainController::kill_all_components(boolean testcase_ends) |
| 1315 | { |
| 1316 | boolean ready_for_ack = TRUE; |
| 1317 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 1318 | component_struct *tc = components[i]; |
| 1319 | boolean is_inactive = FALSE; |
| 1320 | switch (tc->tc_state) { |
| 1321 | case TC_INITIAL: |
| 1322 | // the PTC does not have an identified control connection yet |
| 1323 | ready_for_ack = FALSE; |
| 1324 | break; |
| 1325 | case PTC_STARTING: |
| 1326 | free_qualified_name(&tc->tc_fn_name); |
| 1327 | Free(tc->starting.arguments_ptr); |
| 1328 | free_requestors(&tc->starting.cancel_done_sent_to); |
| 1329 | // no break |
| 1330 | case TC_IDLE: |
| 1331 | case PTC_STOPPED: |
| 1332 | is_inactive = TRUE; |
| 1333 | // no break |
| 1334 | case TC_CREATE: |
| 1335 | case TC_START: |
| 1336 | case TC_STOP: |
| 1337 | case TC_KILL: |
| 1338 | case TC_CONNECT: |
| 1339 | case TC_DISCONNECT: |
| 1340 | case TC_MAP: |
| 1341 | case TC_UNMAP: |
| 1342 | case PTC_FUNCTION: |
| 1343 | send_kill(tc); |
| 1344 | if (is_inactive) { |
| 1345 | // the PTC was inactive |
| 1346 | tc->tc_state = PTC_KILLING; |
| 1347 | if (!tc->is_alive) tc->stop_requested = TRUE; |
| 1348 | } else { |
| 1349 | // the PTC was active |
| 1350 | tc->tc_state = PTC_STOPPING_KILLING; |
| 1351 | tc->stop_requested = TRUE; |
| 1352 | } |
| 1353 | init_requestors(&tc->stopping_killing.stop_requestors, NULL); |
| 1354 | init_requestors(&tc->stopping_killing.kill_requestors, NULL); |
| 1355 | start_kill_timer(tc); |
| 1356 | ready_for_ack = FALSE; |
| 1357 | break; |
| 1358 | case TC_STOPPING: |
| 1359 | send_kill(tc); |
| 1360 | tc->tc_state = PTC_STOPPING_KILLING; |
| 1361 | if (tc->kill_timer != NULL) cancel_timer(tc->kill_timer); |
| 1362 | start_kill_timer(tc); |
| 1363 | // no break |
| 1364 | case PTC_KILLING: |
| 1365 | case PTC_STOPPING_KILLING: |
| 1366 | free_requestors(&tc->stopping_killing.stop_requestors); |
| 1367 | free_requestors(&tc->stopping_killing.kill_requestors); |
| 1368 | ready_for_ack = FALSE; |
| 1369 | break; |
| 1370 | case TC_EXITING: |
| 1371 | if (testcase_ends) ready_for_ack = FALSE; |
| 1372 | case TC_EXITED: |
| 1373 | case PTC_STALE: |
| 1374 | break; |
| 1375 | default: |
| 1376 | error("Test Component %d is in invalid state when killing all " |
| 1377 | "components.", tc->comp_ref); |
| 1378 | } |
| 1379 | if (testcase_ends) { |
| 1380 | free_requestors(&tc->done_requestors); |
| 1381 | free_requestors(&tc->killed_requestors); |
| 1382 | } else { |
| 1383 | // only mtc is preserved in done_requestors and killed_requestors |
| 1384 | boolean mtc_requested_done = has_requestor(&tc->done_requestors, |
| 1385 | mtc); |
| 1386 | free_requestors(&tc->done_requestors); |
| 1387 | if (mtc_requested_done) add_requestor(&tc->done_requestors, mtc); |
| 1388 | boolean mtc_requested_killed = has_requestor(&tc->killed_requestors, |
| 1389 | mtc); |
| 1390 | free_requestors(&tc->killed_requestors); |
| 1391 | if (mtc_requested_killed) |
| 1392 | add_requestor(&tc->killed_requestors, mtc); |
| 1393 | } |
| 1394 | free_requestors(&tc->cancel_done_sent_for); |
| 1395 | } |
| 1396 | return ready_for_ack; |
| 1397 | } |
| 1398 | |
| 1399 | void MainController::check_all_component_kill() |
| 1400 | { |
| 1401 | // MTC has requested 'all component.kill' |
| 1402 | // we have to send acknowledgement to MTC only |
| 1403 | boolean ready_for_ack = TRUE; |
| 1404 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 1405 | component_struct *comp = components[i]; |
| 1406 | switch (comp->tc_state) { |
| 1407 | case TC_INITIAL: |
| 1408 | case PTC_STOPPING_KILLING: |
| 1409 | case PTC_KILLING: |
| 1410 | ready_for_ack = FALSE; |
| 1411 | case TC_EXITING: |
| 1412 | case TC_EXITED: |
| 1413 | case PTC_STALE: |
| 1414 | break; |
| 1415 | default: |
| 1416 | error("PTC %d is in invalid state when performing " |
| 1417 | "'all component.kill' operation.", comp->comp_ref); |
| 1418 | } |
| 1419 | if (!ready_for_ack) break; |
| 1420 | } |
| 1421 | if (ready_for_ack) { |
| 1422 | send_kill_ack(mtc); |
| 1423 | mtc->tc_state = MTC_TESTCASE; |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | void MainController::send_kill_ack_to_requestors(component_struct *tc) |
| 1428 | { |
| 1429 | for (int i = 0; ; i++) { |
| 1430 | component_struct *requestor = |
| 1431 | get_requestor(&tc->stopping_killing.kill_requestors, i); |
| 1432 | if (requestor == NULL) break; |
| 1433 | if (requestor->tc_state == TC_KILL) { |
| 1434 | send_kill_ack(requestor); |
| 1435 | if (requestor == mtc) requestor->tc_state = MTC_TESTCASE; |
| 1436 | else requestor->tc_state = PTC_FUNCTION; |
| 1437 | } |
| 1438 | } |
| 1439 | free_requestors(&tc->stopping_killing.kill_requestors); |
| 1440 | } |
| 1441 | |
| 1442 | void MainController::send_component_status_to_requestor(component_struct *tc, |
| 1443 | component_struct *requestor, boolean done_status, boolean killed_status) |
| 1444 | { |
| 1445 | switch (requestor->tc_state) { |
| 1446 | case PTC_FUNCTION: |
| 1447 | case TC_CREATE: |
| 1448 | case TC_START: |
| 1449 | case TC_STOP: |
| 1450 | case TC_KILL: |
| 1451 | case TC_CONNECT: |
| 1452 | case TC_DISCONNECT: |
| 1453 | case TC_MAP: |
| 1454 | case TC_UNMAP: |
| 1455 | case TC_STOPPING: |
| 1456 | case PTC_STOPPED: |
| 1457 | case PTC_STARTING: |
| 1458 | if (done_status) { |
| 1459 | send_component_status_ptc(requestor, tc->comp_ref, TRUE, |
| 1460 | killed_status, tc->return_type, tc->return_value_len, |
| 1461 | tc->return_value); |
| 1462 | } else { |
| 1463 | send_component_status_ptc(requestor, tc->comp_ref, FALSE, |
| 1464 | killed_status, NULL, 0, NULL); |
| 1465 | } |
| 1466 | break; |
| 1467 | case PTC_STOPPING_KILLING: |
| 1468 | case PTC_KILLING: |
| 1469 | case TC_EXITING: |
| 1470 | case TC_EXITED: |
| 1471 | // the PTC requestor is not interested in the component status anymore |
| 1472 | break; |
| 1473 | default: |
| 1474 | error("PTC %d is in invalid state when sending out COMPONENT_STATUS " |
| 1475 | "message about PTC %d.", requestor->comp_ref, tc->comp_ref); |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | void MainController::component_stopped(component_struct *tc) |
| 1480 | { |
| 1481 | // checking and updating the state of tc |
| 1482 | tc_state_enum old_state = tc->tc_state; |
| 1483 | if (old_state == PTC_STOPPING_KILLING) tc->tc_state = PTC_KILLING; |
| 1484 | else { |
| 1485 | tc->tc_state = PTC_STOPPED; |
| 1486 | if (tc->kill_timer != NULL) { |
| 1487 | cancel_timer(tc->kill_timer); |
| 1488 | tc->kill_timer = NULL; |
| 1489 | } |
| 1490 | } |
| 1491 | switch (mc_state) { |
| 1492 | case MC_EXECUTING_TESTCASE: |
| 1493 | // this is the correct state |
| 1494 | break; |
| 1495 | case MC_TERMINATING_TESTCASE: |
| 1496 | // do nothing, we are waiting for the end of all PTC connections |
| 1497 | return; |
| 1498 | default: |
| 1499 | error("PTC %d stopped in invalid MC state.", tc->comp_ref); |
| 1500 | return; |
| 1501 | } |
| 1502 | if (!tc->is_alive) { |
| 1503 | send_error_str(tc->tc_fd, "Message STOPPED can only be sent by " |
| 1504 | "alive PTCs."); |
| 1505 | return; |
| 1506 | } |
| 1507 | // Note: the COMPONENT_STATUS message must be sent before STOP_ACK because |
| 1508 | // the latter may update the component status cache table to an inconsistent |
| 1509 | // state |
| 1510 | boolean send_status_to_mtc = FALSE, send_done_to_mtc = FALSE; |
| 1511 | // sending out COMPONENT_STATUS messages to PTCs |
| 1512 | for (int i = 0; ; i++) { |
| 1513 | component_struct *requestor = get_requestor(&tc->done_requestors, i); |
| 1514 | if (requestor == NULL) break; |
| 1515 | else if (requestor == mtc) { |
| 1516 | send_status_to_mtc = TRUE; |
| 1517 | send_done_to_mtc = TRUE; |
| 1518 | } else send_component_status_to_requestor(tc, requestor, TRUE, FALSE); |
| 1519 | } |
| 1520 | // do not send unsolicited 'any component.done' status |
| 1521 | if (any_component_done_requested) send_status_to_mtc = TRUE; |
| 1522 | boolean all_done_checked = FALSE, all_done_result = FALSE; |
| 1523 | if (all_component_done_requested) { |
| 1524 | all_done_checked = TRUE; |
| 1525 | all_done_result = !is_any_component_running(); |
| 1526 | if (all_done_result) send_status_to_mtc = TRUE; |
| 1527 | } |
| 1528 | if (send_status_to_mtc) { |
| 1529 | if (!all_done_checked) all_done_result = !is_any_component_running(); |
| 1530 | if (send_done_to_mtc) { |
| 1531 | // the return value was requested |
| 1532 | send_component_status_mtc(tc->comp_ref, TRUE, FALSE, |
| 1533 | any_component_done_requested, all_done_result, FALSE, FALSE, |
| 1534 | tc->return_type, tc->return_value_len, tc->return_value); |
| 1535 | } else { |
| 1536 | // the return value was not requested |
| 1537 | send_component_status_mtc(NULL_COMPREF, FALSE, FALSE, |
| 1538 | any_component_done_requested, all_done_result, FALSE, FALSE, |
| 1539 | NULL, 0, NULL); |
| 1540 | } |
| 1541 | if (any_component_done_requested) { |
| 1542 | any_component_done_requested = FALSE; |
| 1543 | any_component_done_sent = TRUE; |
| 1544 | } |
| 1545 | if (all_done_result) all_component_done_requested = FALSE; |
| 1546 | } |
| 1547 | // sending out STOP_ACK messages |
| 1548 | if (old_state != PTC_FUNCTION) { |
| 1549 | // the PTC was explicitly stopped and/or killed |
| 1550 | if (mtc->tc_state == MTC_ALL_COMPONENT_KILL) { |
| 1551 | // do nothing |
| 1552 | } else if (mtc->tc_state == MTC_ALL_COMPONENT_STOP) { |
| 1553 | check_all_component_stop(); |
| 1554 | } else { |
| 1555 | send_stop_ack_to_requestors(tc); |
| 1556 | } |
| 1557 | } |
| 1558 | } |
| 1559 | |
| 1560 | void MainController::component_terminated(component_struct *tc) |
| 1561 | { |
| 1562 | // the state variable of the PTC has to be updated first |
| 1563 | // because in case of 'all component.kill' or 'all component.stop' |
| 1564 | // we are walking through the states of all PTCs |
| 1565 | tc_state_enum old_state = tc->tc_state; |
| 1566 | tc->tc_state = TC_EXITING; |
| 1567 | n_active_ptcs--; |
| 1568 | tc->comp_location->n_active_components--; |
| 1569 | switch (mc_state) { |
| 1570 | case MC_EXECUTING_TESTCASE: |
| 1571 | // this is the correct state |
| 1572 | break; |
| 1573 | case MC_TERMINATING_TESTCASE: |
| 1574 | // do nothing, we are waiting for the end of all PTC connections |
| 1575 | return; |
| 1576 | default: |
| 1577 | error("PTC %d terminated in invalid MC state.", tc->comp_ref); |
| 1578 | return; |
| 1579 | } |
| 1580 | // sending out COMPONENT_STATUS messages |
| 1581 | // Notes: |
| 1582 | // - the COMPONENT_STATUS message must be sent before STOP_ACK and KILL_ACK |
| 1583 | // because the latter may update the component status cache table to an |
| 1584 | // inconsistent state |
| 1585 | // - unsolicited 'done' status and return value is never sent out |
| 1586 | // the flags below indicate whether a COMPONENT_STATUS message |
| 1587 | // (with or without the return value) has to be sent to the MTC |
| 1588 | boolean send_status_to_mtc = FALSE, send_done_to_mtc = TRUE; |
| 1589 | // first send out the COMPONENT_STATUS messages to PTCs |
| 1590 | for (int i = 0; ; i++) { |
| 1591 | component_struct *requestor = get_requestor(&tc->done_requestors, i); |
| 1592 | if (requestor == NULL) break; |
| 1593 | else if (requestor == mtc) { |
| 1594 | send_status_to_mtc = TRUE; |
| 1595 | send_done_to_mtc = TRUE; |
| 1596 | } else send_component_status_to_requestor(tc, requestor, TRUE, TRUE); |
| 1597 | } |
| 1598 | for (int i = 0; ; i++) { |
| 1599 | component_struct *requestor = get_requestor(&tc->killed_requestors, i); |
| 1600 | if (requestor == NULL) break; |
| 1601 | else if (requestor == mtc) send_status_to_mtc = TRUE; |
| 1602 | else if (!has_requestor(&tc->done_requestors, requestor)) { |
| 1603 | // do not send COMPONENT_STATUS twice to the same PTC |
| 1604 | send_component_status_to_requestor(tc, requestor, FALSE, TRUE); |
| 1605 | } |
| 1606 | } |
| 1607 | free_requestors(&tc->done_requestors); |
| 1608 | free_requestors(&tc->killed_requestors); |
| 1609 | // deciding whether to send a COMPONENT_STATUS message to MTC |
| 1610 | // 'any component.done' status can be safely sent out |
| 1611 | // it will not be cancelled later |
| 1612 | if (any_component_done_requested || any_component_killed_requested) |
| 1613 | send_status_to_mtc = TRUE; |
| 1614 | boolean all_done_checked = FALSE, all_done_result = FALSE; |
| 1615 | if (all_component_done_requested) { |
| 1616 | all_done_checked = TRUE; |
| 1617 | all_done_result = !is_any_component_running(); |
| 1618 | if (all_done_result) send_status_to_mtc = TRUE; |
| 1619 | } |
| 1620 | boolean all_killed_checked = FALSE, all_killed_result = FALSE; |
| 1621 | if (all_component_killed_requested) { |
| 1622 | all_killed_checked = TRUE; |
| 1623 | all_killed_result = !is_any_component_alive(); |
| 1624 | if (all_killed_result) send_status_to_mtc = TRUE; |
| 1625 | } |
| 1626 | // sending the COMPONENT_STATUS message to MTC if necessary |
| 1627 | if (send_status_to_mtc) { |
| 1628 | if (!all_done_checked) all_done_result = !is_any_component_running(); |
| 1629 | if (!all_killed_checked) all_killed_result = !is_any_component_alive(); |
| 1630 | if (send_done_to_mtc) { |
| 1631 | // the return value was requested |
| 1632 | send_component_status_mtc(tc->comp_ref, TRUE, TRUE, TRUE, |
| 1633 | all_done_result, TRUE, all_killed_result, tc->return_type, |
| 1634 | tc->return_value_len, tc->return_value); |
| 1635 | } else { |
| 1636 | // the return value was not requested |
| 1637 | send_component_status_mtc(tc->comp_ref, FALSE, TRUE, TRUE, |
| 1638 | all_done_result, TRUE, all_killed_result, NULL, 0, NULL); |
| 1639 | } |
| 1640 | any_component_done_requested = FALSE; |
| 1641 | any_component_done_sent = TRUE; |
| 1642 | any_component_killed_requested = FALSE; |
| 1643 | if (all_done_result) all_component_done_requested = FALSE; |
| 1644 | if (all_killed_result) all_component_killed_requested = FALSE; |
| 1645 | } |
| 1646 | // sending out STOP_ACK and KILL_ACK messages if necessary |
| 1647 | switch (old_state) { |
| 1648 | case TC_STOPPING: |
| 1649 | case PTC_STOPPING_KILLING: |
| 1650 | case PTC_KILLING: |
| 1651 | // the component was explicitly stopped and/or killed |
| 1652 | if (mtc->tc_state == MTC_ALL_COMPONENT_KILL) { |
| 1653 | check_all_component_kill(); |
| 1654 | } else if (mtc->tc_state == MTC_ALL_COMPONENT_STOP) { |
| 1655 | check_all_component_stop(); |
| 1656 | } else { |
| 1657 | send_stop_ack_to_requestors(tc); |
| 1658 | send_kill_ack_to_requestors(tc); |
| 1659 | } |
| 1660 | default: |
| 1661 | break; |
| 1662 | } |
| 1663 | // we should behave as we got all pending CANCEL_DONE_ACK messages from tc |
| 1664 | for (int i = 0; ; i++) { |
| 1665 | component_struct *comp = get_requestor(&tc->cancel_done_sent_for, i); |
| 1666 | if (comp == NULL) break; |
| 1667 | done_cancelled(tc, comp); |
| 1668 | } |
| 1669 | free_requestors(&tc->cancel_done_sent_for); |
| 1670 | // destroy all connections and mappings of the component |
| 1671 | // and send out the related messages |
| 1672 | while (tc->conn_head_list != NULL) { |
| 1673 | if (tc->conn_head_list->tail.comp_ref == SYSTEM_COMPREF) |
| 1674 | destroy_mapping(tc->conn_head_list); |
| 1675 | else destroy_connection(tc->conn_head_list, tc); |
| 1676 | } |
| 1677 | while (tc->conn_tail_list != NULL) { |
| 1678 | if (tc->conn_tail_list->head.comp_ref == SYSTEM_COMPREF) |
| 1679 | destroy_mapping(tc->conn_tail_list); |
| 1680 | else destroy_connection(tc->conn_tail_list, tc); |
| 1681 | } |
| 1682 | // drop the name of the currently executed function |
| 1683 | free_qualified_name(&tc->tc_fn_name); |
| 1684 | } |
| 1685 | |
| 1686 | void MainController::done_cancelled(component_struct *from, |
| 1687 | component_struct *started_tc) |
| 1688 | { |
| 1689 | // do nothing if the PTC to be started is not in starting state anymore |
| 1690 | if (started_tc->tc_state != PTC_STARTING) return; |
| 1691 | remove_requestor(&started_tc->starting.cancel_done_sent_to, from); |
| 1692 | // do nothing if we are waiting for more CANCEL_DONE_ACK messages |
| 1693 | if (get_requestor(&started_tc->starting.cancel_done_sent_to, 0) != NULL) |
| 1694 | return; |
| 1695 | send_start(started_tc, started_tc->tc_fn_name, |
| 1696 | started_tc->starting.arguments_len, started_tc->starting.arguments_ptr); |
| 1697 | component_struct *start_requestor = started_tc->starting.start_requestor; |
| 1698 | if (start_requestor->tc_state == TC_START) { |
| 1699 | send_start_ack(start_requestor); |
| 1700 | if (start_requestor == mtc) start_requestor->tc_state = MTC_TESTCASE; |
| 1701 | else start_requestor->tc_state = PTC_FUNCTION; |
| 1702 | } |
| 1703 | Free(started_tc->starting.arguments_ptr); |
| 1704 | free_requestors(&started_tc->starting.cancel_done_sent_to); |
| 1705 | started_tc->tc_state = PTC_FUNCTION; |
| 1706 | status_change(); |
| 1707 | } |
| 1708 | |
| 1709 | boolean MainController::component_is_alive(component_struct *tc) |
| 1710 | { |
| 1711 | switch (tc->tc_state) { |
| 1712 | case TC_INITIAL: |
| 1713 | case TC_IDLE: |
| 1714 | case TC_CREATE: |
| 1715 | case TC_START: |
| 1716 | case TC_STOP: |
| 1717 | case TC_KILL: |
| 1718 | case TC_CONNECT: |
| 1719 | case TC_DISCONNECT: |
| 1720 | case TC_MAP: |
| 1721 | case TC_UNMAP: |
| 1722 | case TC_STOPPING: |
| 1723 | case PTC_FUNCTION: |
| 1724 | case PTC_STARTING: |
| 1725 | case PTC_STOPPED: |
| 1726 | case PTC_KILLING: |
| 1727 | case PTC_STOPPING_KILLING: |
| 1728 | return TRUE; |
| 1729 | case TC_EXITING: |
| 1730 | case TC_EXITED: |
| 1731 | return FALSE; |
| 1732 | default: |
| 1733 | error("PTC %d is in invalid state when checking whether it is alive.", |
| 1734 | tc->comp_ref); |
| 1735 | return FALSE; |
| 1736 | } |
| 1737 | } |
| 1738 | |
| 1739 | boolean MainController::component_is_running(component_struct *tc) |
| 1740 | { |
| 1741 | switch (tc->tc_state) { |
| 1742 | case TC_CREATE: |
| 1743 | case TC_START: |
| 1744 | case TC_STOP: |
| 1745 | case TC_KILL: |
| 1746 | case TC_CONNECT: |
| 1747 | case TC_DISCONNECT: |
| 1748 | case TC_MAP: |
| 1749 | case TC_UNMAP: |
| 1750 | case TC_STOPPING: |
| 1751 | case PTC_FUNCTION: |
| 1752 | case PTC_STARTING: |
| 1753 | case PTC_STOPPING_KILLING: |
| 1754 | return TRUE; |
| 1755 | case TC_INITIAL: |
| 1756 | case TC_IDLE: |
| 1757 | case TC_EXITING: |
| 1758 | case TC_EXITED: |
| 1759 | case PTC_STOPPED: |
| 1760 | case PTC_KILLING: |
| 1761 | return FALSE; |
| 1762 | default: |
| 1763 | error("PTC %d is in invalid state when checking whether it is running.", |
| 1764 | tc->comp_ref); |
| 1765 | return FALSE; |
| 1766 | } |
| 1767 | } |
| 1768 | |
| 1769 | boolean MainController::component_is_done(component_struct *tc) |
| 1770 | { |
| 1771 | switch (tc->tc_state) { |
| 1772 | case TC_EXITING: |
| 1773 | case TC_EXITED: |
| 1774 | case PTC_STOPPED: |
| 1775 | return TRUE; |
| 1776 | case TC_INITIAL: |
| 1777 | case TC_IDLE: |
| 1778 | case TC_CREATE: |
| 1779 | case TC_START: |
| 1780 | case TC_STOP: |
| 1781 | case TC_KILL: |
| 1782 | case TC_CONNECT: |
| 1783 | case TC_DISCONNECT: |
| 1784 | case TC_MAP: |
| 1785 | case TC_UNMAP: |
| 1786 | case TC_STOPPING: |
| 1787 | case PTC_FUNCTION: |
| 1788 | case PTC_STARTING: |
| 1789 | case PTC_KILLING: |
| 1790 | case PTC_STOPPING_KILLING: |
| 1791 | return FALSE; |
| 1792 | default: |
| 1793 | error("PTC %d is in invalid state when checking whether it is done.", |
| 1794 | tc->comp_ref); |
| 1795 | return FALSE; |
| 1796 | } |
| 1797 | } |
| 1798 | |
| 1799 | boolean MainController::is_any_component_alive() |
| 1800 | { |
| 1801 | for (component i = tc_first_comp_ref; i < n_components; i++) |
| 1802 | if (component_is_alive(components[i])) return TRUE; |
| 1803 | return FALSE; |
| 1804 | } |
| 1805 | |
| 1806 | boolean MainController::is_all_component_alive() |
| 1807 | { |
| 1808 | for (component i = tc_first_comp_ref; i < n_components; i++) |
| 1809 | if (!component_is_alive(components[i])) return FALSE; |
| 1810 | return TRUE; |
| 1811 | } |
| 1812 | |
| 1813 | boolean MainController::is_any_component_running() |
| 1814 | { |
| 1815 | for (component i = tc_first_comp_ref; i < n_components; i++) |
| 1816 | if (component_is_running(components[i])) return TRUE; |
| 1817 | return FALSE; |
| 1818 | } |
| 1819 | |
| 1820 | boolean MainController::is_all_component_running() |
| 1821 | { |
| 1822 | for (component i = tc_first_comp_ref; i < n_components; i++) { |
| 1823 | component_struct *tc = components[i]; |
| 1824 | if (tc->stop_requested) continue; |
| 1825 | switch (tc->tc_state) { |
| 1826 | case TC_EXITING: |
| 1827 | case TC_EXITED: |
| 1828 | case PTC_STOPPED: |
| 1829 | return FALSE; |
| 1830 | default: |
| 1831 | break; |
| 1832 | } |
| 1833 | } |
| 1834 | return TRUE; |
| 1835 | } |
| 1836 | |
| 1837 | boolean MainController::is_any_component_done() |
| 1838 | { |
| 1839 | for (component i = tc_first_comp_ref; i < n_components; i++) |
| 1840 | if (component_is_done(components[i])) return TRUE; |
| 1841 | return FALSE; |
| 1842 | } |
| 1843 | |
| 1844 | void MainController::start_kill_timer(component_struct *tc) |
| 1845 | { |
| 1846 | if (kill_timer > 0.0) { |
| 1847 | timer_struct *timer = new timer_struct; |
| 1848 | timer->expiration = time_now() + kill_timer; |
| 1849 | timer->timer_argument.component_ptr = tc; |
| 1850 | tc->kill_timer = timer; |
| 1851 | register_timer(timer); |
| 1852 | } else tc->kill_timer = NULL; |
| 1853 | } |
| 1854 | |
| 1855 | void MainController::init_connections(component_struct *tc) |
| 1856 | { |
| 1857 | tc->conn_head_list = NULL; |
| 1858 | tc->conn_tail_list = NULL; |
| 1859 | tc->conn_head_count = 0; |
| 1860 | tc->conn_tail_count = 0; |
| 1861 | } |
| 1862 | |
| 1863 | void MainController::add_connection(port_connection *c) |
| 1864 | { |
| 1865 | // Canonical ordering of endpoints so that head <= tail |
| 1866 | if (c->head.comp_ref > c->tail.comp_ref) { |
| 1867 | component tmp_comp = c->head.comp_ref; |
| 1868 | c->head.comp_ref = c->tail.comp_ref; |
| 1869 | c->tail.comp_ref = tmp_comp; |
| 1870 | char *tmp_port = c->head.port_name; |
| 1871 | c->head.port_name = c->tail.port_name; |
| 1872 | c->tail.port_name = tmp_port; |
| 1873 | } else if (c->head.comp_ref == c->tail.comp_ref && |
| 1874 | strcmp(c->head.port_name, c->tail.port_name) > 0) { |
| 1875 | char *tmp_port = c->head.port_name; |
| 1876 | c->head.port_name = c->tail.port_name; |
| 1877 | c->tail.port_name = tmp_port; |
| 1878 | } |
| 1879 | // Double-chain in according to c->head |
| 1880 | component_struct *head_component = lookup_component(c->head.comp_ref); |
| 1881 | port_connection *head_connection = head_component->conn_head_list; |
| 1882 | if (head_connection == NULL) { |
| 1883 | c->head.next = c; |
| 1884 | c->head.prev = c; |
| 1885 | } else { |
| 1886 | c->head.prev = head_connection->head.prev; |
| 1887 | head_connection->head.prev = c; |
| 1888 | c->head.next = head_connection; |
| 1889 | c->head.prev->head.next = c; |
| 1890 | } |
| 1891 | head_component->conn_head_list = c; |
| 1892 | head_component->conn_head_count++; |
| 1893 | // Double-chain in according to c->tail |
| 1894 | component_struct *tail_component = lookup_component(c->tail.comp_ref); |
| 1895 | port_connection *tail_connection = tail_component->conn_tail_list; |
| 1896 | if (tail_connection == NULL) { |
| 1897 | c->tail.next = c; |
| 1898 | c->tail.prev = c; |
| 1899 | } else { |
| 1900 | c->tail.prev = tail_connection->tail.prev; |
| 1901 | tail_connection->tail.prev = c; |
| 1902 | c->tail.next = tail_connection; |
| 1903 | c->tail.prev->tail.next = c; |
| 1904 | } |
| 1905 | tail_component->conn_tail_list = c; |
| 1906 | tail_component->conn_tail_count++; |
| 1907 | } |
| 1908 | |
| 1909 | void MainController::remove_connection(port_connection *c) |
| 1910 | { |
| 1911 | // Remove from conn_head_list |
| 1912 | component_struct *head_component = lookup_component(c->head.comp_ref); |
| 1913 | if (c->head.next == c) { |
| 1914 | head_component->conn_head_list = NULL; |
| 1915 | head_component->conn_head_count = 0; |
| 1916 | } else { |
| 1917 | c->head.prev->head.next = c->head.next; |
| 1918 | c->head.next->head.prev = c->head.prev; |
| 1919 | head_component->conn_head_list = c->head.next; |
| 1920 | head_component->conn_head_count--; |
| 1921 | } |
| 1922 | // Remove from conn_tail_list |
| 1923 | component_struct *tail_component = lookup_component(c->tail.comp_ref); |
| 1924 | if (c->tail.next == c) { |
| 1925 | tail_component->conn_tail_list = NULL; |
| 1926 | tail_component->conn_tail_count = 0; |
| 1927 | } else { |
| 1928 | c->tail.prev->tail.next = c->tail.next; |
| 1929 | c->tail.next->tail.prev = c->tail.prev; |
| 1930 | tail_component->conn_tail_list = c->tail.next; |
| 1931 | tail_component->conn_tail_count--; |
| 1932 | } |
| 1933 | // Delete the data members |
| 1934 | delete [] c->head.port_name; |
| 1935 | delete [] c->tail.port_name; |
| 1936 | free_requestors(&c->requestors); |
| 1937 | delete c; |
| 1938 | } |
| 1939 | |
| 1940 | port_connection *MainController::find_connection(component head_comp, |
| 1941 | const char *head_port, component tail_comp, const char *tail_port) |
| 1942 | { |
| 1943 | // Canonical ordering of parameters so that head <= tail |
| 1944 | if (head_comp > tail_comp) { |
| 1945 | component tmp_comp = head_comp; |
| 1946 | head_comp = tail_comp; |
| 1947 | tail_comp = tmp_comp; |
| 1948 | const char *tmp_port = head_port; |
| 1949 | head_port = tail_port; |
| 1950 | tail_port = tmp_port; |
| 1951 | } else if (head_comp == tail_comp && strcmp(head_port, tail_port) > 0) { |
| 1952 | const char *tmp_port = head_port; |
| 1953 | head_port = tail_port; |
| 1954 | tail_port = tmp_port; |
| 1955 | } |
| 1956 | // Check whether one of the endpoints' list is empty |
| 1957 | component_struct *head_component = lookup_component(head_comp); |
| 1958 | port_connection *head_connection = head_component->conn_head_list; |
| 1959 | if (head_connection == NULL) return NULL; |
| 1960 | component_struct *tail_component = lookup_component(tail_comp); |
| 1961 | port_connection *tail_connection = tail_component->conn_tail_list; |
| 1962 | if (tail_connection == NULL) return NULL; |
| 1963 | // Start searching on the shorter list |
| 1964 | if (head_component->conn_head_count <= tail_component->conn_tail_count) { |
| 1965 | port_connection *iter = head_connection; |
| 1966 | do { |
| 1967 | if (iter->tail.comp_ref == tail_comp && |
| 1968 | !strcmp(iter->head.port_name, head_port) && |
| 1969 | !strcmp(iter->tail.port_name, tail_port)) return iter; |
| 1970 | iter = iter->head.next; |
| 1971 | } while (iter != head_connection); |
| 1972 | return NULL; |
| 1973 | } else { |
| 1974 | port_connection *iter = tail_connection; |
| 1975 | do { |
| 1976 | if (iter->head.comp_ref == head_comp && |
| 1977 | !strcmp(iter->head.port_name, head_port) && |
| 1978 | !strcmp(iter->tail.port_name, tail_port)) return iter; |
| 1979 | iter = iter->tail.next; |
| 1980 | } while (iter != tail_connection); |
| 1981 | return NULL; |
| 1982 | } |
| 1983 | } |
| 1984 | |
| 1985 | void MainController::remove_all_connections(component head_or_tail) |
| 1986 | { |
| 1987 | component_struct *comp = lookup_component(head_or_tail); |
| 1988 | while (comp->conn_head_list != NULL) |
| 1989 | remove_connection(comp->conn_head_list); |
| 1990 | while (comp->conn_tail_list != NULL) |
| 1991 | remove_connection(comp->conn_tail_list); |
| 1992 | } |
| 1993 | |
| 1994 | transport_type_enum MainController::choose_port_connection_transport( |
| 1995 | component head_comp, component tail_comp) |
| 1996 | { |
| 1997 | host_struct *head_location = components[head_comp]->comp_location; |
| 1998 | // use the most efficient software loop if the two endpoints are in the |
| 1999 | // same component and the host supports it |
| 2000 | if (head_comp == tail_comp && |
| 2001 | head_location->transport_supported[TRANSPORT_LOCAL]) |
| 2002 | return TRANSPORT_LOCAL; |
| 2003 | host_struct *tail_location = components[tail_comp]->comp_location; |
| 2004 | // use the efficient UNIX domain socket if the two endpoints are on the |
| 2005 | // same host and it is supported by the host |
| 2006 | if (head_location == tail_location && |
| 2007 | head_location->transport_supported[TRANSPORT_UNIX_STREAM]) |
| 2008 | return TRANSPORT_UNIX_STREAM; |
| 2009 | // use TCP if it is supported by the host of both endpoints |
| 2010 | if (head_location->transport_supported[TRANSPORT_INET_STREAM] && |
| 2011 | tail_location->transport_supported[TRANSPORT_INET_STREAM]) |
| 2012 | return TRANSPORT_INET_STREAM; |
| 2013 | // no suitable transport was found, return an erroneous type |
| 2014 | return TRANSPORT_NUM; |
| 2015 | } |
| 2016 | |
| 2017 | void MainController::send_connect_ack_to_requestors(port_connection *conn) |
| 2018 | { |
| 2019 | for (int i = 0; ; i++) { |
| 2020 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 2021 | if (comp == NULL) break; |
| 2022 | else if (comp->tc_state == TC_CONNECT) { |
| 2023 | send_connect_ack(comp); |
| 2024 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 2025 | else comp->tc_state = PTC_FUNCTION; |
| 2026 | } |
| 2027 | } |
| 2028 | free_requestors(&conn->requestors); |
| 2029 | } |
| 2030 | |
| 2031 | void MainController::send_error_to_connect_requestors(port_connection *conn, |
| 2032 | const char *fmt, ...) |
| 2033 | { |
| 2034 | char *reason = mprintf("Establishment of port connection %d:%s - %d:%s " |
| 2035 | "failed because ", conn->head.comp_ref, conn->head.port_name, |
| 2036 | conn->tail.comp_ref, conn->tail.port_name); |
| 2037 | va_list ap; |
| 2038 | va_start(ap, fmt); |
| 2039 | reason = mputprintf_va_list(reason, fmt, ap); |
| 2040 | va_end(ap); |
| 2041 | for (int i = 0; ; i++) { |
| 2042 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 2043 | if (comp == NULL) break; |
| 2044 | else if (comp->tc_state == TC_CONNECT) { |
| 2045 | send_error_str(comp->tc_fd, reason); |
| 2046 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 2047 | else comp->tc_state = PTC_FUNCTION; |
| 2048 | } |
| 2049 | } |
| 2050 | Free(reason); |
| 2051 | free_requestors(&conn->requestors); |
| 2052 | } |
| 2053 | |
| 2054 | void MainController::send_disconnect_to_server(port_connection *conn) |
| 2055 | { |
| 2056 | component_struct *comp = components[conn->head.comp_ref]; |
| 2057 | switch (comp->tc_state) { |
| 2058 | case TC_IDLE: |
| 2059 | case TC_CREATE: |
| 2060 | case TC_START: |
| 2061 | case TC_STOP: |
| 2062 | case TC_KILL: |
| 2063 | case TC_CONNECT: |
| 2064 | case TC_DISCONNECT: |
| 2065 | case TC_MAP: |
| 2066 | case TC_UNMAP: |
| 2067 | case TC_STOPPING: |
| 2068 | case MTC_TESTCASE: |
| 2069 | case PTC_FUNCTION: |
| 2070 | case PTC_STARTING: |
| 2071 | case PTC_STOPPED: |
| 2072 | send_disconnect(comp, conn->head.port_name, conn->tail.comp_ref, |
| 2073 | conn->tail.port_name); |
| 2074 | default: |
| 2075 | break; |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | void MainController::send_disconnect_ack_to_requestors(port_connection *conn) |
| 2080 | { |
| 2081 | for (int i = 0; ; i++) { |
| 2082 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 2083 | if (comp == NULL) break; |
| 2084 | else if (comp->tc_state == TC_DISCONNECT) { |
| 2085 | send_disconnect_ack(comp); |
| 2086 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 2087 | else comp->tc_state = PTC_FUNCTION; |
| 2088 | } |
| 2089 | } |
| 2090 | free_requestors(&conn->requestors); |
| 2091 | } |
| 2092 | |
| 2093 | void MainController::init_requestors(requestor_struct *reqs, |
| 2094 | component_struct *tc) |
| 2095 | { |
| 2096 | if (tc != NULL) { |
| 2097 | reqs->n_components = 1; |
| 2098 | reqs->the_component = tc; |
| 2099 | } else reqs->n_components = 0; |
| 2100 | } |
| 2101 | |
| 2102 | void MainController::add_requestor(requestor_struct *reqs, component_struct *tc) |
| 2103 | { |
| 2104 | switch (reqs->n_components) { |
| 2105 | case 0: |
| 2106 | reqs->n_components = 1; |
| 2107 | reqs->the_component = tc; |
| 2108 | break; |
| 2109 | case 1: |
| 2110 | if (reqs->the_component != tc) { |
| 2111 | reqs->n_components = 2; |
| 2112 | component_struct *tmp = reqs->the_component; |
| 2113 | reqs->components = |
| 2114 | (component_struct**)Malloc(2 * sizeof(*reqs->components)); |
| 2115 | reqs->components[0] = tmp; |
| 2116 | reqs->components[1] = tc; |
| 2117 | } |
| 2118 | break; |
| 2119 | default: |
| 2120 | for (int i = 0; i < reqs->n_components; i++) |
| 2121 | if (reqs->components[i] == tc) return; |
| 2122 | reqs->n_components++; |
| 2123 | reqs->components = (component_struct**)Realloc(reqs->components, |
| 2124 | reqs->n_components * sizeof(*reqs->components)); |
| 2125 | reqs->components[reqs->n_components - 1] = tc; |
| 2126 | } |
| 2127 | } |
| 2128 | |
| 2129 | void MainController::remove_requestor(requestor_struct *reqs, |
| 2130 | component_struct *tc) |
| 2131 | { |
| 2132 | switch (reqs->n_components) { |
| 2133 | case 0: |
| 2134 | break; |
| 2135 | case 1: |
| 2136 | if (reqs->the_component == tc) reqs->n_components = 0; |
| 2137 | break; |
| 2138 | case 2: { |
| 2139 | component_struct *tmp = NULL; |
| 2140 | if (reqs->components[0] == tc) tmp = reqs->components[1]; |
| 2141 | else if (reqs->components[1] == tc) tmp = reqs->components[0]; |
| 2142 | if (tmp != NULL) { |
| 2143 | Free(reqs->components); |
| 2144 | reqs->n_components = 1; |
| 2145 | reqs->the_component = tmp; |
| 2146 | } |
| 2147 | break; } |
| 2148 | default: |
| 2149 | for (int i = 0; i < reqs->n_components; i++) |
| 2150 | if (reqs->components[i] == tc) { |
| 2151 | reqs->n_components--; |
| 2152 | memmove(reqs->components + i, reqs->components + i + 1, |
| 2153 | (reqs->n_components - i) * sizeof(*reqs->components)); |
| 2154 | reqs->components = (component_struct**)Realloc(reqs->components, |
| 2155 | reqs->n_components * sizeof(*reqs->components)); |
| 2156 | break; |
| 2157 | } |
| 2158 | } |
| 2159 | } |
| 2160 | |
| 2161 | boolean MainController::has_requestor(const requestor_struct *reqs, |
| 2162 | component_struct *tc) |
| 2163 | { |
| 2164 | switch (reqs->n_components) { |
| 2165 | case 0: |
| 2166 | return FALSE; |
| 2167 | case 1: |
| 2168 | return reqs->the_component == tc; |
| 2169 | default: |
| 2170 | for (int i = 0; i < reqs->n_components; i++) |
| 2171 | if (reqs->components[i] == tc) return TRUE; |
| 2172 | return FALSE; |
| 2173 | } |
| 2174 | } |
| 2175 | |
| 2176 | component_struct *MainController::get_requestor(const requestor_struct *reqs, |
| 2177 | int index) |
| 2178 | { |
| 2179 | if (index >= 0 && index < reqs->n_components) { |
| 2180 | if (reqs->n_components == 1) return reqs->the_component; |
| 2181 | else return reqs->components[index]; |
| 2182 | } else return NULL; |
| 2183 | } |
| 2184 | |
| 2185 | void MainController::free_requestors(requestor_struct *reqs) |
| 2186 | { |
| 2187 | if (reqs->n_components > 1) Free(reqs->components); |
| 2188 | reqs->n_components = 0; |
| 2189 | } |
| 2190 | |
| 2191 | void MainController::init_qualified_name(qualified_name *name) |
| 2192 | { |
| 2193 | name->module_name = NULL; |
| 2194 | name->definition_name = NULL; |
| 2195 | } |
| 2196 | |
| 2197 | void MainController::free_qualified_name(qualified_name *name) |
| 2198 | { |
| 2199 | delete [] name->module_name; |
| 2200 | name->module_name = NULL; |
| 2201 | delete [] name->definition_name; |
| 2202 | name->definition_name = NULL; |
| 2203 | } |
| 2204 | |
| 2205 | double MainController::kill_timer; |
| 2206 | |
| 2207 | double MainController::time_now() |
| 2208 | { |
| 2209 | static boolean first_call = TRUE; |
| 2210 | static struct timeval first_time; |
| 2211 | if (first_call) { |
| 2212 | first_call = FALSE; |
| 2213 | if (gettimeofday(&first_time, NULL) < 0) |
| 2214 | fatal_error("MainController::time_now: gettimeofday() system call " |
| 2215 | "failed."); |
| 2216 | return 0.0; |
| 2217 | } else { |
| 2218 | struct timeval tv; |
| 2219 | if (gettimeofday(&tv, NULL) < 0) |
| 2220 | fatal_error("MainController::time_now: gettimeofday() system call " |
| 2221 | "failed."); |
| 2222 | return (tv.tv_sec - first_time.tv_sec) + |
| 2223 | 1.0e-6 * (tv.tv_usec - first_time.tv_usec); |
| 2224 | } |
| 2225 | } |
| 2226 | |
| 2227 | timer_struct *MainController::timer_head, *MainController::timer_tail; |
| 2228 | |
| 2229 | void MainController::register_timer(timer_struct *timer) |
| 2230 | { |
| 2231 | timer_struct *iter; |
| 2232 | for (iter = timer_tail; iter != NULL; iter = iter->prev) |
| 2233 | if (iter->expiration <= timer->expiration) break; |
| 2234 | if (iter != NULL) { |
| 2235 | // inserting after iter |
| 2236 | timer->prev = iter; |
| 2237 | timer->next = iter->next; |
| 2238 | if (iter->next != NULL) iter->next->prev = timer; |
| 2239 | else timer_tail = timer; |
| 2240 | iter->next = timer; |
| 2241 | } else { |
| 2242 | // inserting at the beginning of list |
| 2243 | timer->prev = NULL; |
| 2244 | timer->next = timer_head; |
| 2245 | if (timer_head != NULL) timer_head->prev = timer; |
| 2246 | else timer_tail = timer; |
| 2247 | timer_head = timer; |
| 2248 | } |
| 2249 | } |
| 2250 | |
| 2251 | void MainController::cancel_timer(timer_struct *timer) |
| 2252 | { |
| 2253 | if (timer->next != NULL) timer->next->prev = timer->prev; |
| 2254 | else timer_tail = timer->prev; |
| 2255 | if (timer->prev != NULL) timer->prev->next = timer->next; |
| 2256 | else timer_head = timer->next; |
| 2257 | delete timer; |
| 2258 | } |
| 2259 | |
| 2260 | int MainController::get_poll_timeout() |
| 2261 | { |
| 2262 | if (timer_head != NULL) { |
| 2263 | double offset = timer_head->expiration - time_now(); |
| 2264 | if (offset > 0.0) return (int)(1000.0 * offset); |
| 2265 | else return 0; |
| 2266 | } else return -1; |
| 2267 | } |
| 2268 | |
| 2269 | void MainController::handle_expired_timers() |
| 2270 | { |
| 2271 | if (timer_head != NULL) { |
| 2272 | timer_struct *iter = timer_head; |
| 2273 | double now = time_now(); |
| 2274 | do { |
| 2275 | if (iter->expiration > now) break; |
| 2276 | timer_struct *next = iter->next; |
| 2277 | handle_kill_timer(iter); |
| 2278 | iter = next; |
| 2279 | } while (iter != NULL); |
| 2280 | } |
| 2281 | } |
| 2282 | |
| 2283 | void MainController::handle_kill_timer(timer_struct *timer) |
| 2284 | { |
| 2285 | component_struct *tc = timer->timer_argument.component_ptr; |
| 2286 | host_struct *host = tc->comp_location; |
| 2287 | boolean kill_process = FALSE; |
| 2288 | switch (tc->tc_state) { |
| 2289 | case TC_EXITED: |
| 2290 | // do nothing |
| 2291 | break; |
| 2292 | case TC_EXITING: |
| 2293 | if (tc == mtc) { |
| 2294 | error("MTC on host %s did not close its control connection in " |
| 2295 | "time. Trying to kill it using its HC.", host->hostname); |
| 2296 | } else { |
| 2297 | notify("PTC %d on host %s did not close its control connection in " |
| 2298 | "time. Trying to kill it using its HC.", tc->comp_ref, |
| 2299 | host->hostname); |
| 2300 | } |
| 2301 | kill_process = TRUE; |
| 2302 | break; |
| 2303 | case TC_STOPPING: |
| 2304 | case PTC_STOPPING_KILLING: |
| 2305 | case PTC_KILLING: |
| 2306 | // active PTCs with kill timer can be only in these states |
| 2307 | if (tc != mtc) { |
| 2308 | notify("PTC %d on host %s is not responding. Trying to kill it " |
| 2309 | "using its HC.", tc->comp_ref, host->hostname); |
| 2310 | kill_process = TRUE; |
| 2311 | break; |
| 2312 | } |
| 2313 | // no break |
| 2314 | default: |
| 2315 | // MTC can be in any state |
| 2316 | if (tc == mtc) { |
| 2317 | error("MTC on host %s is not responding. Trying to kill it using " |
| 2318 | "its HC. This will abort test execution.", host->hostname); |
| 2319 | kill_process = TRUE; |
| 2320 | } else { |
| 2321 | error("PTC %d is in invalid state when its kill timer expired.", |
| 2322 | tc->comp_ref); |
| 2323 | } |
| 2324 | } |
| 2325 | if (kill_process) { |
| 2326 | if (host->hc_state == HC_ACTIVE) { |
| 2327 | send_kill_process(host, tc->comp_ref); |
| 2328 | tc->process_killed = TRUE; |
| 2329 | } else { |
| 2330 | error("Test Component %d cannot be killed because the HC on host " |
| 2331 | "%s is not in active state. Kill the process manually or the " |
| 2332 | "test system may get into a deadlock.", tc->comp_ref, |
| 2333 | host->hostname); |
| 2334 | } |
| 2335 | } |
| 2336 | cancel_timer(timer); |
| 2337 | tc->kill_timer = NULL; |
| 2338 | } |
| 2339 | |
| 2340 | void MainController::register_termination_handlers() |
| 2341 | { |
| 2342 | new_action.sa_handler = termination_handler; |
| 2343 | sigemptyset(&new_action.sa_mask); |
| 2344 | new_action.sa_flags = 0; |
| 2345 | |
| 2346 | sigaction(SIGINT, NULL, &old_action); |
| 2347 | if (old_action.sa_handler != SIG_IGN) |
| 2348 | sigaction (SIGINT, &new_action, NULL); |
| 2349 | sigaction(SIGHUP, NULL, &old_action); |
| 2350 | if (old_action.sa_handler != SIG_IGN) |
| 2351 | sigaction (SIGHUP, &new_action, NULL); |
| 2352 | sigaction(SIGTERM, NULL, &old_action); |
| 2353 | if (old_action.sa_handler != SIG_IGN) |
| 2354 | sigaction(SIGTERM, &new_action, NULL); |
| 2355 | sigaction(SIGQUIT, NULL, &old_action); |
| 2356 | if (old_action.sa_handler != SIG_IGN) |
| 2357 | sigaction(SIGQUIT, &new_action, NULL); |
| 2358 | sigaction(SIGKILL, NULL, &old_action); |
| 2359 | if (old_action.sa_handler != SIG_IGN) |
| 2360 | sigaction(SIGKILL, &new_action, NULL); |
| 2361 | } |
| 2362 | |
| 2363 | void MainController::termination_handler(int signum) |
| 2364 | { |
| 2365 | // Call shutdown_server() and reset handlers and re-raise the signal. |
| 2366 | // clean_up() or perform_shutdown() is state dependent and cannot be used |
| 2367 | // here... Related to HP67376. |
| 2368 | shutdown_server(); |
| 2369 | |
| 2370 | new_action.sa_handler = SIG_DFL; |
| 2371 | sigemptyset(&new_action.sa_mask); |
| 2372 | new_action.sa_flags = 0; |
| 2373 | |
| 2374 | sigaction(SIGINT, &new_action, NULL); |
| 2375 | sigaction(SIGHUP, &new_action, NULL); |
| 2376 | sigaction(SIGTERM, &new_action, NULL); |
| 2377 | sigaction(SIGQUIT, &new_action, NULL); |
| 2378 | sigaction(SIGKILL, &new_action, NULL); |
| 2379 | |
| 2380 | raise(signum); |
| 2381 | } |
| 2382 | |
| 2383 | void MainController::error(const char *fmt, ...) |
| 2384 | { |
| 2385 | va_list ap; |
| 2386 | va_start(ap, fmt); |
| 2387 | char *str = mprintf_va_list(fmt, ap); |
| 2388 | va_end(ap); |
| 2389 | unlock(); |
| 2390 | ui->error(/*severity*/ 0, str); |
| 2391 | lock(); |
| 2392 | Free(str); |
| 2393 | } |
| 2394 | |
| 2395 | void MainController::notify(const char *fmt, ...) |
| 2396 | { |
| 2397 | va_list ap; |
| 2398 | va_start(ap, fmt); |
| 2399 | char *str = mprintf_va_list(fmt, ap); |
| 2400 | va_end(ap); |
| 2401 | struct timeval tv; |
| 2402 | if (gettimeofday(&tv, NULL) < 0) fatal_error("MainController::notify: " |
| 2403 | "gettimeofday() system call failed."); |
| 2404 | notify(&tv, mc_hostname, TTCN_EXECUTOR, str); |
| 2405 | Free(str); |
| 2406 | } |
| 2407 | |
| 2408 | void MainController::notify(const struct timeval *timestamp, |
| 2409 | const char *source, int severity, const char *message) |
| 2410 | { |
| 2411 | unlock(); |
| 2412 | ui->notify(timestamp, source, severity, message); |
| 2413 | lock(); |
| 2414 | } |
| 2415 | |
| 2416 | void MainController::status_change() |
| 2417 | { |
| 2418 | unlock(); |
| 2419 | ui->status_change(); |
| 2420 | lock(); |
| 2421 | } |
| 2422 | |
| 2423 | void MainController::fatal_error(const char *fmt, ...) |
| 2424 | { |
| 2425 | va_list ap; |
| 2426 | va_start(ap, fmt); |
| 2427 | vfprintf(stderr, fmt, ap); |
| 2428 | va_end(ap); |
| 2429 | if (errno != 0) fprintf(stderr, " (%s)", strerror(errno)); |
| 2430 | putc('\n', stderr); |
| 2431 | exit(EXIT_FAILURE); |
| 2432 | } |
| 2433 | |
| 2434 | void *MainController::thread_main(void *) |
| 2435 | { |
| 2436 | lock(); |
| 2437 | while (mc_state != MC_INACTIVE) { |
| 2438 | int fds_selected; |
| 2439 | for ( ; ; ) { |
| 2440 | int maxDtInMs = 0; |
| 2441 | #ifdef USE_EPOLL |
| 2442 | int timeout = get_poll_timeout(); |
| 2443 | if (maxDtInMs != 0 && (timeout < 0 || maxDtInMs < timeout)) |
| 2444 | timeout = maxDtInMs; |
| 2445 | unlock(); |
| 2446 | fds_selected = epoll_wait(epfd, epoll_events, EPOLL_MAX_EVENTS, |
| 2447 | timeout); |
| 2448 | lock(); |
| 2449 | if (fds_selected >= 0) break; |
| 2450 | if (errno != EINTR) fatal_error("epoll_wait() system call failed."); |
| 2451 | #else // ! defined USE_EPOLL |
| 2452 | update_pollfds(); |
| 2453 | int timeout = get_poll_timeout(); |
| 2454 | if (maxDtInMs != 0 && (timeout < 0 || maxDtInMs < timeout)) |
| 2455 | timeout = maxDtInMs; |
| 2456 | unlock(); |
| 2457 | fds_selected = poll(ufds, nfds, timeout); |
| 2458 | lock(); |
| 2459 | if (fds_selected >= 0) break; |
| 2460 | if (errno != EINTR) fatal_error("poll() system call failed."); |
| 2461 | #endif //USE_EPOLL |
| 2462 | errno = 0; |
| 2463 | } |
| 2464 | switch (wakeup_reason) { |
| 2465 | case REASON_NOTHING: |
| 2466 | case REASON_MTC_KILL_TIMER: |
| 2467 | break; |
| 2468 | case REASON_SHUTDOWN: |
| 2469 | wakeup_reason = REASON_NOTHING; |
| 2470 | perform_shutdown(); |
| 2471 | continue; |
| 2472 | default: |
| 2473 | error("Invalid wakeup reason (%d) was set.", wakeup_reason); |
| 2474 | wakeup_reason = REASON_NOTHING; |
| 2475 | } |
| 2476 | if (fds_selected == 0) { |
| 2477 | handle_expired_timers(); |
| 2478 | continue; |
| 2479 | } |
| 2480 | #ifdef USE_EPOLL |
| 2481 | for (int i = 0; i < fds_selected; i++) { |
| 2482 | int fd = epoll_events[i].data.fd; |
| 2483 | if (epoll_events[i].events & (EPOLLIN | EPOLLHUP | EPOLLERR)) { |
| 2484 | dispatch_socket_event(fd); |
| 2485 | } |
| 2486 | } |
| 2487 | #else // ! defined USE_EPOLL |
| 2488 | for (unsigned int i = 0; i < nfds; i++) { |
| 2489 | int fd = ufds[i].fd; |
| 2490 | if (ufds[i].revents & POLLNVAL) { |
| 2491 | fatal_error("Invalid file descriptor (%d) was given for " |
| 2492 | "poll() system call.", fd); |
| 2493 | } else if (ufds[i].revents & (POLLIN | POLLHUP | POLLERR)) { |
| 2494 | dispatch_socket_event(fd); |
| 2495 | } |
| 2496 | } |
| 2497 | #endif //USE_EPOLL |
| 2498 | handle_expired_timers(); |
| 2499 | } |
| 2500 | clean_up(); |
| 2501 | notify("Shutdown complete."); |
| 2502 | unlock(); |
| 2503 | // don't try to lock the mutex after ui->status_change() is completed |
| 2504 | // the main thread might call in turn terminate(), which destroys the mutex |
| 2505 | ui->status_change(); |
| 2506 | return NULL; |
| 2507 | } |
| 2508 | |
| 2509 | void MainController::dispatch_socket_event(int fd) |
| 2510 | { |
| 2511 | // a previous event might have closed the socket |
| 2512 | if (fd >= fd_table_size) return; |
| 2513 | switch (fd_table[fd].fd_type) { |
| 2514 | case FD_PIPE: |
| 2515 | handle_pipe(); |
| 2516 | break; |
| 2517 | case FD_SERVER: |
| 2518 | handle_incoming_connection(fd); |
| 2519 | break; |
| 2520 | case FD_UNKNOWN: |
| 2521 | handle_unknown_data(fd_table[fd].unknown_ptr); |
| 2522 | break; |
| 2523 | case FD_HC: |
| 2524 | handle_hc_data(fd_table[fd].host_ptr, TRUE); |
| 2525 | break; |
| 2526 | case FD_TC: |
| 2527 | handle_tc_data(fd_table[fd].component_ptr, TRUE); |
| 2528 | break; |
| 2529 | default: |
| 2530 | fatal_error("Invalid file descriptor type (%d) for " |
| 2531 | "file descriptor %d.", fd_table[fd].fd_type, fd); |
| 2532 | } |
| 2533 | } |
| 2534 | |
| 2535 | int MainController::pipe_fd[2]; |
| 2536 | wakeup_reason_t MainController::wakeup_reason; |
| 2537 | |
| 2538 | void MainController::wakeup_thread(wakeup_reason_t reason) |
| 2539 | { |
| 2540 | unsigned char msg = '\0'; |
| 2541 | if (write(pipe_fd[1], &msg, 1) != 1) { |
| 2542 | fatal_error("MainController::wakeup_thread: writing to pipe failed."); |
| 2543 | } |
| 2544 | wakeup_reason = reason; |
| 2545 | } |
| 2546 | |
| 2547 | void MainController::handle_pipe() |
| 2548 | { |
| 2549 | unsigned char buf; |
| 2550 | if (read(pipe_fd[0], &buf, 1) != 1) { |
| 2551 | fatal_error("MainController::handle_pipe: reading from pipe failed."); |
| 2552 | } |
| 2553 | } |
| 2554 | |
| 2555 | void MainController::handle_incoming_connection(int p_server_fd) |
| 2556 | { |
| 2557 | IPAddress *remote_addr = IPAddress::create_addr(nh.get_family()); |
| 2558 | int fd = remote_addr->accept(p_server_fd); |
| 2559 | if (fd > 0) { |
| 2560 | set_close_on_exec(fd); |
| 2561 | unknown_connection *new_connection = |
| 2562 | new_unknown_connection(p_server_fd != MainController::server_fd); |
| 2563 | new_connection->fd = fd; |
| 2564 | if (p_server_fd == MainController::server_fd) |
| 2565 | new_connection->ip_addr = remote_addr; |
| 2566 | else { // in case of unix domain socket connection |
| 2567 | delete remote_addr; |
| 2568 | new_connection->ip_addr = IPAddress::create_addr("127.0.0.1"); |
| 2569 | } |
| 2570 | new_connection->text_buf = new Text_Buf; |
| 2571 | add_poll_fd(fd); |
| 2572 | add_fd_to_table(fd); |
| 2573 | fd_table[fd].fd_type = FD_UNKNOWN; |
| 2574 | fd_table[fd].unknown_ptr = new_connection; |
| 2575 | } else { |
| 2576 | delete remote_addr; |
| 2577 | switch (errno) { |
| 2578 | case EINTR: |
| 2579 | errno = 0; |
| 2580 | break; |
| 2581 | case EMFILE: |
| 2582 | case ENFILE: |
| 2583 | error("New incoming connection cannot be accepted " |
| 2584 | "because the maximum number of open files has been reached. " |
| 2585 | "Try to increase this limit."); |
| 2586 | disable_server_fd(); |
| 2587 | error("No incoming connections will be accepted until at least " |
| 2588 | "one component terminates. This may result in deadlock."); |
| 2589 | break; |
| 2590 | default: |
| 2591 | fatal_error("MainController::handle_incoming_connection: " |
| 2592 | "system call accept() failed."); |
| 2593 | } |
| 2594 | } |
| 2595 | } |
| 2596 | |
| 2597 | int MainController::recv_to_buffer(int fd, Text_Buf& text_buf, |
| 2598 | boolean recv_from_socket) |
| 2599 | { |
| 2600 | // if recv_from_socket is false we are checking the messages that are |
| 2601 | // already in text_buf so we are emulating that recv() was successful |
| 2602 | if (!recv_from_socket) return 1; |
| 2603 | |
| 2604 | char *buf_ptr; |
| 2605 | int buf_len; |
| 2606 | text_buf.get_end(buf_ptr, buf_len); |
| 2607 | |
| 2608 | int recv_len = recv(fd, buf_ptr, buf_len, 0); |
| 2609 | |
| 2610 | if (recv_len > 0) text_buf.increase_length(recv_len); |
| 2611 | |
| 2612 | return recv_len; |
| 2613 | } |
| 2614 | |
| 2615 | void MainController::handle_unknown_data(unknown_connection *conn) |
| 2616 | { |
| 2617 | Text_Buf& text_buf = *conn->text_buf; |
| 2618 | int recv_len = recv_to_buffer(conn->fd, text_buf, TRUE); |
| 2619 | boolean error_flag = FALSE; |
| 2620 | |
| 2621 | if (recv_len > 0) { |
| 2622 | try { |
| 2623 | while (text_buf.is_message()) { |
| 2624 | text_buf.pull_int(); // message length |
| 2625 | int message_type = text_buf.pull_int().get_val(); |
| 2626 | // only the first message is processed in this loop |
| 2627 | // except when a generic message is received |
| 2628 | boolean process_more_messages = FALSE; |
| 2629 | switch (message_type) { |
| 2630 | case MSG_ERROR: |
| 2631 | process_error(conn); |
| 2632 | process_more_messages = TRUE; |
| 2633 | break; |
| 2634 | case MSG_LOG: |
| 2635 | process_log(conn); |
| 2636 | process_more_messages = TRUE; |
| 2637 | break; |
| 2638 | case MSG_VERSION: |
| 2639 | process_version(conn); |
| 2640 | break; |
| 2641 | case MSG_MTC_CREATED: |
| 2642 | process_mtc_created(conn); |
| 2643 | break; |
| 2644 | case MSG_PTC_CREATED: |
| 2645 | process_ptc_created(conn); |
| 2646 | break; |
| 2647 | default: |
| 2648 | error("Invalid message type (%d) was received on an " |
| 2649 | "unknown connection from %s [%s].", message_type, |
| 2650 | conn->ip_addr->get_host_str(), |
| 2651 | conn->ip_addr->get_addr_str()); |
| 2652 | error_flag = TRUE; |
| 2653 | } |
| 2654 | if (process_more_messages) text_buf.cut_message(); |
| 2655 | else break; |
| 2656 | } |
| 2657 | } catch (const TC_Error& tc_error) { |
| 2658 | error("Maleformed message was received on an unknown connection " |
| 2659 | "from %s [%s].", conn->ip_addr->get_host_str(), |
| 2660 | conn->ip_addr->get_addr_str()); |
| 2661 | error_flag = TRUE; |
| 2662 | } |
| 2663 | if (error_flag) { |
| 2664 | send_error_str(conn->fd, "The received message was not understood " |
| 2665 | "by the MC."); |
| 2666 | } |
| 2667 | } else if (recv_len == 0) { |
| 2668 | error("Unexpected end of an unknown connection from %s [%s].", |
| 2669 | conn->ip_addr->get_host_str(), conn->ip_addr->get_addr_str()); |
| 2670 | error_flag = TRUE; |
| 2671 | } else { |
| 2672 | error("Receiving of data failed on an unknown connection from %s [%s].", |
| 2673 | conn->ip_addr->get_host_str(), conn->ip_addr->get_addr_str()); |
| 2674 | error_flag = TRUE; |
| 2675 | } |
| 2676 | if (error_flag) { |
| 2677 | close_unknown_connection(conn); |
| 2678 | } |
| 2679 | } |
| 2680 | |
| 2681 | void MainController::handle_hc_data(host_struct *hc, boolean recv_from_socket) |
| 2682 | { |
| 2683 | Text_Buf& text_buf = *hc->text_buf; |
| 2684 | boolean error_flag = FALSE; |
| 2685 | int recv_len = recv_to_buffer(hc->hc_fd, text_buf, recv_from_socket); |
| 2686 | |
| 2687 | if (recv_len > 0) { |
| 2688 | try { |
| 2689 | while (text_buf.is_message()) { |
| 2690 | text_buf.pull_int(); // message length |
| 2691 | int message_type = text_buf.pull_int().get_val(); |
| 2692 | switch (message_type) { |
| 2693 | case MSG_ERROR: |
| 2694 | process_error(hc); |
| 2695 | break; |
| 2696 | case MSG_LOG: |
| 2697 | process_log(hc); |
| 2698 | break; |
| 2699 | case MSG_CONFIGURE_ACK: |
| 2700 | process_configure_ack(hc); |
| 2701 | break; |
| 2702 | case MSG_CONFIGURE_NAK: |
| 2703 | process_configure_nak(hc); |
| 2704 | break; |
| 2705 | case MSG_CREATE_NAK: |
| 2706 | process_create_nak(hc); |
| 2707 | break; |
| 2708 | case MSG_HC_READY: |
| 2709 | process_hc_ready(hc); |
| 2710 | break; |
| 2711 | default: |
| 2712 | error("Invalid message type (%d) was received on HC " |
| 2713 | "connection from %s [%s].", message_type, |
| 2714 | hc->hostname, hc->ip_addr->get_addr_str()); |
| 2715 | error_flag = TRUE; |
| 2716 | } |
| 2717 | if (error_flag) break; |
| 2718 | text_buf.cut_message(); |
| 2719 | } |
| 2720 | } catch (const TC_Error& tc_error) { |
| 2721 | error("Malformed message was received on HC connection " |
| 2722 | "from %s [%s].", hc->hostname, hc->ip_addr->get_addr_str()); |
| 2723 | error_flag = TRUE; |
| 2724 | } |
| 2725 | if (error_flag) { |
| 2726 | send_error_str(hc->hc_fd, "The received message was not understood " |
| 2727 | "by the MC."); |
| 2728 | } |
| 2729 | } else if (recv_len == 0) { |
| 2730 | if (hc->hc_state == HC_EXITING) { |
| 2731 | close_hc_connection(hc); |
| 2732 | if (mc_state == MC_SHUTDOWN && all_hc_in_state(HC_DOWN)) |
| 2733 | mc_state = MC_INACTIVE; |
| 2734 | } else { |
| 2735 | error("Unexpected end of HC connection from %s [%s].", |
| 2736 | hc->hostname, hc->ip_addr->get_addr_str()); |
| 2737 | error_flag = TRUE; |
| 2738 | } |
| 2739 | } else { |
| 2740 | error("Receiving of data failed on HC connection from %s [%s].", |
| 2741 | hc->hostname, hc->ip_addr->get_addr_str()); |
| 2742 | error_flag = TRUE; |
| 2743 | } |
| 2744 | if (error_flag) { |
| 2745 | close_hc_connection(hc); |
| 2746 | switch (mc_state) { |
| 2747 | case MC_INACTIVE: |
| 2748 | case MC_LISTENING: |
| 2749 | case MC_LISTENING_CONFIGURED: |
| 2750 | fatal_error("MC is in invalid state when a HC connection " |
| 2751 | "terminated."); |
| 2752 | case MC_HC_CONNECTED: |
| 2753 | if (all_hc_in_state(HC_DOWN)) mc_state = MC_LISTENING; |
| 2754 | break; |
| 2755 | case MC_CONFIGURING: |
| 2756 | check_all_hc_configured(); |
| 2757 | break; |
| 2758 | case MC_ACTIVE: |
| 2759 | if (all_hc_in_state(HC_DOWN)) mc_state = MC_LISTENING_CONFIGURED; |
| 2760 | else if (!is_hc_in_state(HC_ACTIVE) && |
| 2761 | !is_hc_in_state(HC_OVERLOADED)) mc_state = MC_HC_CONNECTED; |
| 2762 | break; |
| 2763 | default: |
| 2764 | if (!is_hc_in_state(HC_ACTIVE)) notify("There is no active HC " |
| 2765 | "connection. Further create operations will fail."); |
| 2766 | } |
| 2767 | status_change(); |
| 2768 | } |
| 2769 | } |
| 2770 | |
| 2771 | void MainController::handle_tc_data(component_struct *tc, |
| 2772 | boolean recv_from_socket) |
| 2773 | { |
| 2774 | Text_Buf& text_buf = *tc->text_buf; |
| 2775 | boolean close_connection = FALSE; |
| 2776 | int recv_len = recv_to_buffer(tc->tc_fd, text_buf, recv_from_socket); |
| 2777 | |
| 2778 | if (recv_len > 0) { |
| 2779 | try { |
| 2780 | while (text_buf.is_message()) { |
| 2781 | int message_len = text_buf.pull_int().get_val(); |
| 2782 | int message_end = text_buf.get_pos() + message_len; |
| 2783 | int message_type = text_buf.pull_int().get_val(); |
| 2784 | // these messages can be received both from MTC and PTCs |
| 2785 | switch (message_type) { |
| 2786 | case MSG_ERROR: |
| 2787 | process_error(tc); |
| 2788 | break; |
| 2789 | case MSG_LOG: |
| 2790 | process_log(tc); |
| 2791 | break; |
| 2792 | case MSG_CREATE_REQ: |
| 2793 | process_create_req(tc); |
| 2794 | break; |
| 2795 | case MSG_START_REQ: |
| 2796 | process_start_req(tc, message_end); |
| 2797 | break; |
| 2798 | case MSG_STOP_REQ: |
| 2799 | process_stop_req(tc); |
| 2800 | break; |
| 2801 | case MSG_KILL_REQ: |
| 2802 | process_kill_req(tc); |
| 2803 | break; |
| 2804 | case MSG_IS_RUNNING: |
| 2805 | process_is_running(tc); |
| 2806 | break; |
| 2807 | case MSG_IS_ALIVE: |
| 2808 | process_is_alive(tc); |
| 2809 | break; |
| 2810 | case MSG_DONE_REQ: |
| 2811 | process_done_req(tc); |
| 2812 | break; |
| 2813 | case MSG_KILLED_REQ: |
| 2814 | process_killed_req(tc); |
| 2815 | break; |
| 2816 | case MSG_CANCEL_DONE_ACK: |
| 2817 | process_cancel_done_ack(tc); |
| 2818 | break; |
| 2819 | case MSG_CONNECT_REQ: |
| 2820 | process_connect_req(tc); |
| 2821 | break; |
| 2822 | case MSG_CONNECT_LISTEN_ACK: |
| 2823 | process_connect_listen_ack(tc, message_end); |
| 2824 | break; |
| 2825 | case MSG_CONNECTED: |
| 2826 | process_connected(tc); |
| 2827 | break; |
| 2828 | case MSG_CONNECT_ERROR: |
| 2829 | process_connect_error(tc); |
| 2830 | break; |
| 2831 | case MSG_DISCONNECT_REQ: |
| 2832 | process_disconnect_req(tc); |
| 2833 | break; |
| 2834 | case MSG_DISCONNECTED: |
| 2835 | process_disconnected(tc); |
| 2836 | break; |
| 2837 | case MSG_MAP_REQ: |
| 2838 | process_map_req(tc); |
| 2839 | break; |
| 2840 | case MSG_MAPPED: |
| 2841 | process_mapped(tc); |
| 2842 | break; |
| 2843 | case MSG_UNMAP_REQ: |
| 2844 | process_unmap_req(tc); |
| 2845 | break; |
| 2846 | case MSG_UNMAPPED: |
| 2847 | process_unmapped(tc); |
| 2848 | break; |
| 2849 | default: |
| 2850 | if (tc == mtc) { |
| 2851 | // these messages can be received only from the MTC |
| 2852 | switch (message_type) { |
| 2853 | case MSG_TESTCASE_STARTED: |
| 2854 | process_testcase_started(); |
| 2855 | break; |
| 2856 | case MSG_TESTCASE_FINISHED: |
| 2857 | process_testcase_finished(); |
| 2858 | break; |
| 2859 | case MSG_MTC_READY: |
| 2860 | process_mtc_ready(); |
| 2861 | break; |
| 2862 | default: |
| 2863 | error("Invalid message type (%d) was received " |
| 2864 | "from the MTC at %s [%s].", message_type, |
| 2865 | mtc->comp_location->hostname, |
| 2866 | mtc->comp_location->ip_addr->get_addr_str()); |
| 2867 | close_connection = TRUE; |
| 2868 | } |
| 2869 | } else { |
| 2870 | // these messages can be received only from PTCs |
| 2871 | switch (message_type) { |
| 2872 | case MSG_STOPPED: |
| 2873 | process_stopped(tc, message_end); |
| 2874 | break; |
| 2875 | case MSG_STOPPED_KILLED: |
| 2876 | process_stopped_killed(tc, message_end); |
| 2877 | break; |
| 2878 | case MSG_KILLED: |
| 2879 | process_killed(tc); |
| 2880 | break; |
| 2881 | default: |
| 2882 | notify("Invalid message type (%d) was received from " |
| 2883 | "PTC %d at %s [%s].", message_type, |
| 2884 | tc->comp_ref, tc->comp_location->hostname, |
| 2885 | tc->comp_location->ip_addr->get_addr_str()); |
| 2886 | close_connection = TRUE; |
| 2887 | } |
| 2888 | } |
| 2889 | } |
| 2890 | if (close_connection) break; |
| 2891 | text_buf.cut_message(); |
| 2892 | } |
| 2893 | } catch (const TC_Error& tc_error) { |
| 2894 | if (tc == mtc) { |
| 2895 | error("Malformed message was received from the MTC at %s " |
| 2896 | "[%s].", mtc->comp_location->hostname, |
| 2897 | mtc->comp_location->ip_addr->get_addr_str()); |
| 2898 | } else { |
| 2899 | notify("Malformed message was received from PTC %d at %s [%s].", |
| 2900 | tc->comp_ref, tc->comp_location->hostname, |
| 2901 | tc->comp_location->ip_addr->get_addr_str()); |
| 2902 | } |
| 2903 | close_connection = TRUE; |
| 2904 | } |
| 2905 | if (close_connection) { |
| 2906 | send_error_str(tc->tc_fd, "The received message was not understood " |
| 2907 | "by the MC."); |
| 2908 | } |
| 2909 | } else if (recv_len == 0) { |
| 2910 | // TCP connection is closed by peer |
| 2911 | if (tc->tc_state != TC_EXITING && !tc->process_killed) { |
| 2912 | if (tc == mtc) { |
| 2913 | error("Unexpected end of MTC connection from %s [%s].", |
| 2914 | mtc->comp_location->hostname, |
| 2915 | mtc->comp_location->ip_addr->get_addr_str()); |
| 2916 | } else { |
| 2917 | notify("Unexpected end of PTC connection (%d) from %s [%s].", |
| 2918 | tc->comp_ref, tc->comp_location->hostname, |
| 2919 | tc->comp_location->ip_addr->get_addr_str()); |
| 2920 | } |
| 2921 | } |
| 2922 | close_connection = TRUE; |
| 2923 | } else { |
| 2924 | if (tc->process_killed && errno == ECONNRESET) { |
| 2925 | // ignore TCP resets if the process was killed |
| 2926 | // because the last STOP or KILL message can stuck in TCP buffers |
| 2927 | // if the process did not receive any data |
| 2928 | } else { |
| 2929 | if (tc == mtc) { |
| 2930 | error("Receiving of data failed from the MTC at %s [%s]: %s", |
| 2931 | mtc->comp_location->hostname, |
| 2932 | mtc->comp_location->ip_addr->get_addr_str(), strerror(errno)); |
| 2933 | } else { |
| 2934 | notify("Receiving of data failed from PTC %d at %s [%s]: %s", |
| 2935 | tc->comp_ref, tc->comp_location->hostname, |
| 2936 | tc->comp_location->ip_addr->get_addr_str(), strerror(errno)); |
| 2937 | } |
| 2938 | } |
| 2939 | close_connection = TRUE; |
| 2940 | } |
| 2941 | if (close_connection) { |
| 2942 | close_tc_connection(tc); |
| 2943 | remove_component_from_host(tc); |
| 2944 | if (tc == mtc) { |
| 2945 | if (mc_state != MC_TERMINATING_MTC) { |
| 2946 | notify("The control connection to MTC is lost. " |
| 2947 | "Destroying all PTC connections."); |
| 2948 | } |
| 2949 | destroy_all_components(); |
| 2950 | notify("MTC terminated."); |
| 2951 | if (is_hc_in_state(HC_CONFIGURING)) mc_state = MC_CONFIGURING; |
| 2952 | else if (is_hc_in_state(HC_IDLE)) mc_state = MC_HC_CONNECTED; |
| 2953 | else if (is_hc_in_state(HC_ACTIVE) || |
| 2954 | is_hc_in_state(HC_OVERLOADED)) mc_state = MC_ACTIVE; |
| 2955 | else mc_state = MC_LISTENING_CONFIGURED; |
| 2956 | stop_requested = FALSE; |
| 2957 | } else { |
| 2958 | if (tc->tc_state != TC_EXITING) { |
| 2959 | // we have no idea about the final verdict of the PTC |
| 2960 | tc->local_verdict = ERROR; |
| 2961 | component_terminated(tc); |
| 2962 | } |
| 2963 | tc->tc_state = TC_EXITED; |
| 2964 | if (mc_state == MC_TERMINATING_TESTCASE && |
| 2965 | ready_to_finish_testcase()) finish_testcase(); |
| 2966 | } |
| 2967 | status_change(); |
| 2968 | } |
| 2969 | } |
| 2970 | |
| 2971 | void MainController::unlink_unix_socket(int socket_fd) { |
| 2972 | struct sockaddr_un local_addr; |
| 2973 | // querying the local pathname used by socket_fd |
| 2974 | socklen_type addr_len = sizeof(local_addr); |
| 2975 | if (getsockname(socket_fd, (struct sockaddr*)&local_addr, &addr_len)) { |
| 2976 | } else if (local_addr.sun_family != AF_UNIX) { |
| 2977 | } else if (unlink(local_addr.sun_path)) { |
| 2978 | errno = 0; |
| 2979 | } |
| 2980 | } |
| 2981 | |
| 2982 | void MainController::shutdown_server() |
| 2983 | { |
| 2984 | if (server_fd >= 0) { |
| 2985 | remove_poll_fd(server_fd); |
| 2986 | remove_fd_from_table(server_fd); |
| 2987 | close(server_fd); |
| 2988 | server_fd = -1; |
| 2989 | } |
| 2990 | |
| 2991 | if (server_fd_unix >= 0) { |
| 2992 | unlink_unix_socket(server_fd_unix); |
| 2993 | remove_poll_fd(server_fd_unix); |
| 2994 | remove_fd_from_table(server_fd_unix); |
| 2995 | close(server_fd_unix); |
| 2996 | server_fd_unix = -1; |
| 2997 | } |
| 2998 | } |
| 2999 | |
| 3000 | void MainController::perform_shutdown() |
| 3001 | { |
| 3002 | boolean shutdown_complete = TRUE; |
| 3003 | switch (mc_state) { |
| 3004 | case MC_HC_CONNECTED: |
| 3005 | case MC_ACTIVE: |
| 3006 | for (int i = 0; i < n_hosts; i++) { |
| 3007 | host_struct *host = hosts[i]; |
| 3008 | if (host->hc_state != HC_DOWN) { |
| 3009 | send_exit_hc(host); |
| 3010 | host->hc_state = HC_EXITING; |
| 3011 | shutdown_complete = FALSE; |
| 3012 | } |
| 3013 | } |
| 3014 | // no break |
| 3015 | case MC_LISTENING: |
| 3016 | case MC_LISTENING_CONFIGURED: |
| 3017 | shutdown_server(); |
| 3018 | // don't call status_change() if shutdown is complete |
| 3019 | // it will be called from thread_main() later |
| 3020 | if (shutdown_complete) mc_state = MC_INACTIVE; |
| 3021 | else { |
| 3022 | mc_state = MC_SHUTDOWN; |
| 3023 | status_change(); |
| 3024 | } |
| 3025 | break; |
| 3026 | default: |
| 3027 | fatal_error("MainController::perform_shutdown: called in wrong state."); |
| 3028 | } |
| 3029 | } |
| 3030 | |
| 3031 | void MainController::clean_up() |
| 3032 | { |
| 3033 | shutdown_server(); |
| 3034 | |
| 3035 | while (unknown_head != NULL) close_unknown_connection(unknown_head); |
| 3036 | |
| 3037 | destroy_all_components(); |
| 3038 | |
| 3039 | for (int i = 0; i < n_hosts; i++) { |
| 3040 | host_struct *host = hosts[i]; |
| 3041 | close_hc_connection(host); |
| 3042 | Free(host->hostname); |
| 3043 | delete host->ip_addr; |
| 3044 | delete [] host->hostname_local; |
| 3045 | delete [] host->machine_type; |
| 3046 | delete [] host->system_name; |
| 3047 | delete [] host->system_release; |
| 3048 | delete [] host->system_version; |
| 3049 | Free(host->log_source); |
| 3050 | Free(host->components); |
| 3051 | free_string_set(&host->allowed_components); |
| 3052 | delete host; |
| 3053 | } |
| 3054 | Free(hosts); |
| 3055 | n_hosts = 0; |
| 3056 | hosts = NULL; |
| 3057 | Free(config_str); |
| 3058 | config_str = NULL; |
| 3059 | |
| 3060 | while (timer_head != NULL) cancel_timer(timer_head); |
| 3061 | |
| 3062 | for (int i = 0; i < n_modules; i++) { |
| 3063 | delete [] modules[i].module_name; |
| 3064 | delete [] modules[i].module_checksum; |
| 3065 | } |
| 3066 | delete [] modules; |
| 3067 | n_modules = 0; |
| 3068 | modules = NULL; |
| 3069 | version_known = FALSE; |
| 3070 | |
| 3071 | #ifdef USE_EPOLL |
| 3072 | if (epfd >= 0) { |
| 3073 | if (close(epfd) < 0) |
| 3074 | error("MainController::clean_up: Error while closing epoll" |
| 3075 | " fd %d", epfd); |
| 3076 | epfd = -1; |
| 3077 | } |
| 3078 | Free(epoll_events); |
| 3079 | epoll_events = NULL; |
| 3080 | #else // ! defined USE_EPOLL |
| 3081 | nfds = 0; |
| 3082 | Free(ufds); |
| 3083 | ufds = NULL; |
| 3084 | new_nfds = 0; |
| 3085 | Free(new_ufds); |
| 3086 | new_ufds = NULL; |
| 3087 | pollfds_modified = FALSE; |
| 3088 | #endif |
| 3089 | |
| 3090 | fd_table_size = 0; |
| 3091 | Free(fd_table); |
| 3092 | fd_table = NULL; |
| 3093 | |
| 3094 | mc_state = MC_INACTIVE; |
| 3095 | |
| 3096 | if (pipe_fd[1] >= 0) { |
| 3097 | close(pipe_fd[1]); |
| 3098 | pipe_fd[1] = -1; |
| 3099 | } |
| 3100 | if (pipe_fd[0] >= 0) { |
| 3101 | close(pipe_fd[1]); |
| 3102 | pipe_fd[0] = -1; |
| 3103 | } |
| 3104 | } |
| 3105 | |
| 3106 | void MainController::send_configure(host_struct *hc, const char *config_file) |
| 3107 | { |
| 3108 | Text_Buf text_buf; |
| 3109 | text_buf.push_int(MSG_CONFIGURE); |
| 3110 | text_buf.push_string(config_file); |
| 3111 | send_message(hc->hc_fd, text_buf); |
| 3112 | } |
| 3113 | |
| 3114 | void MainController::send_exit_hc(host_struct *hc) |
| 3115 | { |
| 3116 | Text_Buf text_buf; |
| 3117 | text_buf.push_int(MSG_EXIT_HC); |
| 3118 | send_message(hc->hc_fd, text_buf); |
| 3119 | } |
| 3120 | |
| 3121 | void MainController::send_create_mtc(host_struct *hc) |
| 3122 | { |
| 3123 | Text_Buf text_buf; |
| 3124 | text_buf.push_int(MSG_CREATE_MTC); |
| 3125 | send_message(hc->hc_fd, text_buf); |
| 3126 | } |
| 3127 | |
| 3128 | void MainController::send_create_ptc(host_struct *hc, |
| 3129 | component component_reference, const qualified_name& component_type, |
| 3130 | const char *component_name, boolean is_alive, |
| 3131 | const qualified_name& current_testcase) |
| 3132 | { |
| 3133 | Text_Buf text_buf; |
| 3134 | text_buf.push_int(MSG_CREATE_PTC); |
| 3135 | text_buf.push_int(component_reference); |
| 3136 | text_buf.push_qualified_name(component_type); |
| 3137 | text_buf.push_string(component_name); |
| 3138 | text_buf.push_int(is_alive ? 1 : 0); |
| 3139 | text_buf.push_qualified_name(current_testcase); |
| 3140 | send_message(hc->hc_fd, text_buf); |
| 3141 | } |
| 3142 | |
| 3143 | void MainController::send_kill_process(host_struct *hc, |
| 3144 | component component_reference) |
| 3145 | { |
| 3146 | Text_Buf text_buf; |
| 3147 | text_buf.push_int(MSG_KILL_PROCESS); |
| 3148 | text_buf.push_int(component_reference); |
| 3149 | send_message(hc->hc_fd, text_buf); |
| 3150 | } |
| 3151 | |
| 3152 | void MainController::send_create_ack(component_struct *tc, |
| 3153 | component component_reference) |
| 3154 | { |
| 3155 | Text_Buf text_buf; |
| 3156 | text_buf.push_int(MSG_CREATE_ACK); |
| 3157 | text_buf.push_int(component_reference); |
| 3158 | send_message(tc->tc_fd, text_buf); |
| 3159 | } |
| 3160 | |
| 3161 | void MainController::send_start_ack(component_struct *tc) |
| 3162 | { |
| 3163 | Text_Buf text_buf; |
| 3164 | text_buf.push_int(MSG_START_ACK); |
| 3165 | send_message(tc->tc_fd, text_buf); |
| 3166 | } |
| 3167 | |
| 3168 | void MainController::send_stop(component_struct *tc) |
| 3169 | { |
| 3170 | Text_Buf text_buf; |
| 3171 | text_buf.push_int(MSG_STOP); |
| 3172 | send_message(tc->tc_fd, text_buf); |
| 3173 | } |
| 3174 | |
| 3175 | void MainController::send_stop_ack(component_struct *tc) |
| 3176 | { |
| 3177 | Text_Buf text_buf; |
| 3178 | text_buf.push_int(MSG_STOP_ACK); |
| 3179 | send_message(tc->tc_fd, text_buf); |
| 3180 | } |
| 3181 | |
| 3182 | void MainController::send_kill_ack(component_struct *tc) |
| 3183 | { |
| 3184 | Text_Buf text_buf; |
| 3185 | text_buf.push_int(MSG_KILL_ACK); |
| 3186 | send_message(tc->tc_fd, text_buf); |
| 3187 | } |
| 3188 | |
| 3189 | void MainController::send_running(component_struct *tc, boolean answer) |
| 3190 | { |
| 3191 | Text_Buf text_buf; |
| 3192 | text_buf.push_int(MSG_RUNNING); |
| 3193 | text_buf.push_int(answer ? 1 : 0); |
| 3194 | send_message(tc->tc_fd, text_buf); |
| 3195 | } |
| 3196 | |
| 3197 | void MainController::send_alive(component_struct *tc, boolean answer) |
| 3198 | { |
| 3199 | Text_Buf text_buf; |
| 3200 | text_buf.push_int(MSG_ALIVE); |
| 3201 | text_buf.push_int(answer ? 1 : 0); |
| 3202 | send_message(tc->tc_fd, text_buf); |
| 3203 | } |
| 3204 | |
| 3205 | void MainController::send_done_ack(component_struct *tc, boolean answer, |
| 3206 | const char *return_type, int return_value_len, const void *return_value) |
| 3207 | { |
| 3208 | Text_Buf text_buf; |
| 3209 | text_buf.push_int(MSG_DONE_ACK); |
| 3210 | text_buf.push_int(answer ? 1 : 0); |
| 3211 | text_buf.push_string(return_type); |
| 3212 | text_buf.push_raw(return_value_len, return_value); |
| 3213 | send_message(tc->tc_fd, text_buf); |
| 3214 | } |
| 3215 | |
| 3216 | void MainController::send_killed_ack(component_struct *tc, boolean answer) |
| 3217 | { |
| 3218 | Text_Buf text_buf; |
| 3219 | text_buf.push_int(MSG_KILLED_ACK); |
| 3220 | text_buf.push_int(answer ? 1 : 0); |
| 3221 | send_message(tc->tc_fd, text_buf); |
| 3222 | } |
| 3223 | |
| 3224 | void MainController::send_connect_listen(component_struct *tc, |
| 3225 | const char *local_port, component remote_comp, const char *remote_comp_name, |
| 3226 | const char *remote_port, transport_type_enum transport_type) |
| 3227 | { |
| 3228 | Text_Buf text_buf; |
| 3229 | text_buf.push_int(MSG_CONNECT_LISTEN); |
| 3230 | text_buf.push_string(local_port); |
| 3231 | text_buf.push_int(remote_comp); |
| 3232 | text_buf.push_string(remote_comp_name); |
| 3233 | text_buf.push_string(remote_port); |
| 3234 | text_buf.push_int(transport_type); |
| 3235 | send_message(tc->tc_fd, text_buf); |
| 3236 | } |
| 3237 | |
| 3238 | void MainController::send_connect(component_struct *tc, |
| 3239 | const char *local_port, component remote_comp, const char *remote_comp_name, |
| 3240 | const char *remote_port, transport_type_enum transport_type, |
| 3241 | int remote_address_len, const void *remote_address) |
| 3242 | { |
| 3243 | Text_Buf text_buf; |
| 3244 | text_buf.push_int(MSG_CONNECT); |
| 3245 | text_buf.push_string(local_port); |
| 3246 | text_buf.push_int(remote_comp); |
| 3247 | text_buf.push_string(remote_comp_name); |
| 3248 | text_buf.push_string(remote_port); |
| 3249 | text_buf.push_int(transport_type); |
| 3250 | text_buf.push_raw(remote_address_len, remote_address); |
| 3251 | send_message(tc->tc_fd, text_buf); |
| 3252 | } |
| 3253 | |
| 3254 | void MainController::send_connect_ack(component_struct *tc) |
| 3255 | { |
| 3256 | Text_Buf text_buf; |
| 3257 | text_buf.push_int(MSG_CONNECT_ACK); |
| 3258 | send_message(tc->tc_fd, text_buf); |
| 3259 | } |
| 3260 | |
| 3261 | void MainController::send_disconnect(component_struct *tc, |
| 3262 | const char *local_port, component remote_comp, const char *remote_port) |
| 3263 | { |
| 3264 | Text_Buf text_buf; |
| 3265 | text_buf.push_int(MSG_DISCONNECT); |
| 3266 | text_buf.push_string(local_port); |
| 3267 | text_buf.push_int(remote_comp); |
| 3268 | text_buf.push_string(remote_port); |
| 3269 | send_message(tc->tc_fd, text_buf); |
| 3270 | } |
| 3271 | |
| 3272 | void MainController::send_disconnect_ack(component_struct *tc) |
| 3273 | { |
| 3274 | Text_Buf text_buf; |
| 3275 | text_buf.push_int(MSG_DISCONNECT_ACK); |
| 3276 | send_message(tc->tc_fd, text_buf); |
| 3277 | } |
| 3278 | |
| 3279 | void MainController::send_map(component_struct *tc, |
| 3280 | const char *local_port, const char *system_port) |
| 3281 | { |
| 3282 | Text_Buf text_buf; |
| 3283 | text_buf.push_int(MSG_MAP); |
| 3284 | text_buf.push_string(local_port); |
| 3285 | text_buf.push_string(system_port); |
| 3286 | send_message(tc->tc_fd, text_buf); |
| 3287 | } |
| 3288 | |
| 3289 | void MainController::send_map_ack(component_struct *tc) |
| 3290 | { |
| 3291 | Text_Buf text_buf; |
| 3292 | text_buf.push_int(MSG_MAP_ACK); |
| 3293 | send_message(tc->tc_fd, text_buf); |
| 3294 | } |
| 3295 | |
| 3296 | void MainController::send_unmap(component_struct *tc, |
| 3297 | const char *local_port, const char *system_port) |
| 3298 | { |
| 3299 | Text_Buf text_buf; |
| 3300 | text_buf.push_int(MSG_UNMAP); |
| 3301 | text_buf.push_string(local_port); |
| 3302 | text_buf.push_string(system_port); |
| 3303 | send_message(tc->tc_fd, text_buf); |
| 3304 | } |
| 3305 | |
| 3306 | void MainController::send_unmap_ack(component_struct *tc) |
| 3307 | { |
| 3308 | Text_Buf text_buf; |
| 3309 | text_buf.push_int(MSG_UNMAP_ACK); |
| 3310 | send_message(tc->tc_fd, text_buf); |
| 3311 | } |
| 3312 | |
| 3313 | void MainController::send_cancel_done_mtc(component component_reference, |
| 3314 | boolean cancel_any) |
| 3315 | { |
| 3316 | Text_Buf text_buf; |
| 3317 | text_buf.push_int(MSG_CANCEL_DONE); |
| 3318 | text_buf.push_int(component_reference); |
| 3319 | text_buf.push_int(cancel_any ? 1 : 0); |
| 3320 | send_message(mtc->tc_fd, text_buf); |
| 3321 | } |
| 3322 | |
| 3323 | void MainController::send_component_status_mtc(component component_reference, |
| 3324 | boolean is_done, boolean is_killed, boolean is_any_done, |
| 3325 | boolean is_all_done, boolean is_any_killed, boolean is_all_killed, |
| 3326 | const char *return_type, int return_value_len, const void *return_value) |
| 3327 | { |
| 3328 | Text_Buf text_buf; |
| 3329 | text_buf.push_int(MSG_COMPONENT_STATUS); |
| 3330 | text_buf.push_int(component_reference); |
| 3331 | text_buf.push_int(is_done ? 1 : 0); |
| 3332 | text_buf.push_int(is_killed ? 1 : 0); |
| 3333 | text_buf.push_int(is_any_done ? 1 : 0); |
| 3334 | text_buf.push_int(is_all_done ? 1 : 0); |
| 3335 | text_buf.push_int(is_any_killed ? 1 : 0); |
| 3336 | text_buf.push_int(is_all_killed ? 1 : 0); |
| 3337 | text_buf.push_string(return_type); |
| 3338 | text_buf.push_raw(return_value_len, return_value); |
| 3339 | send_message(mtc->tc_fd, text_buf); |
| 3340 | } |
| 3341 | |
| 3342 | void MainController::send_execute_control(const char *module_name) |
| 3343 | { |
| 3344 | Text_Buf text_buf; |
| 3345 | text_buf.push_int(MSG_EXECUTE_CONTROL); |
| 3346 | text_buf.push_string(module_name); |
| 3347 | send_message(mtc->tc_fd, text_buf); |
| 3348 | } |
| 3349 | |
| 3350 | void MainController::send_execute_testcase(const char *module_name, |
| 3351 | const char *testcase_name) |
| 3352 | { |
| 3353 | Text_Buf text_buf; |
| 3354 | text_buf.push_int(MSG_EXECUTE_TESTCASE); |
| 3355 | text_buf.push_string(module_name); |
| 3356 | text_buf.push_string(testcase_name); |
| 3357 | send_message(mtc->tc_fd, text_buf); |
| 3358 | } |
| 3359 | |
| 3360 | void MainController::send_ptc_verdict(boolean continue_execution) |
| 3361 | { |
| 3362 | Text_Buf text_buf; |
| 3363 | text_buf.push_int(MSG_PTC_VERDICT); |
| 3364 | int n_ptcs = 0; |
| 3365 | for (int i = tc_first_comp_ref; i < n_components; i++) |
| 3366 | if (components[i]->tc_state != PTC_STALE) n_ptcs++; |
| 3367 | text_buf.push_int(n_ptcs); |
| 3368 | for (int i = tc_first_comp_ref; i < n_components; i++) { |
| 3369 | if (components[i]->tc_state != PTC_STALE) { |
| 3370 | text_buf.push_int(components[i]->comp_ref); |
| 3371 | text_buf.push_string(components[i]->comp_name); |
| 3372 | text_buf.push_int(components[i]->local_verdict); |
| 3373 | if (components[i]->verdict_reason != NULL) |
| 3374 | text_buf.push_string(components[i]->verdict_reason); |
| 3375 | else |
| 3376 | text_buf.push_string(""); |
| 3377 | } |
| 3378 | } |
| 3379 | text_buf.push_int(continue_execution ? 1 : 0); |
| 3380 | send_message(mtc->tc_fd, text_buf); |
| 3381 | } |
| 3382 | |
| 3383 | void MainController::send_continue() |
| 3384 | { |
| 3385 | Text_Buf text_buf; |
| 3386 | text_buf.push_int(MSG_CONTINUE); |
| 3387 | send_message(mtc->tc_fd, text_buf); |
| 3388 | } |
| 3389 | |
| 3390 | void MainController::send_exit_mtc() |
| 3391 | { |
| 3392 | Text_Buf text_buf; |
| 3393 | text_buf.push_int(MSG_EXIT_MTC); |
| 3394 | send_message(mtc->tc_fd, text_buf); |
| 3395 | } |
| 3396 | |
| 3397 | void MainController::send_cancel_done_ptc(component_struct *tc, |
| 3398 | component component_reference) |
| 3399 | { |
| 3400 | Text_Buf text_buf; |
| 3401 | text_buf.push_int(MSG_CANCEL_DONE); |
| 3402 | text_buf.push_int(component_reference); |
| 3403 | send_message(tc->tc_fd, text_buf); |
| 3404 | |
| 3405 | } |
| 3406 | |
| 3407 | void MainController::send_component_status_ptc(component_struct *tc, |
| 3408 | component component_reference, boolean is_done, boolean is_killed, |
| 3409 | const char *return_type, int return_value_len, const void *return_value) |
| 3410 | { |
| 3411 | Text_Buf text_buf; |
| 3412 | text_buf.push_int(MSG_COMPONENT_STATUS); |
| 3413 | text_buf.push_int(component_reference); |
| 3414 | text_buf.push_int(is_done ? 1 : 0); |
| 3415 | text_buf.push_int(is_killed ? 1 : 0); |
| 3416 | text_buf.push_string(return_type); |
| 3417 | text_buf.push_raw(return_value_len, return_value); |
| 3418 | send_message(tc->tc_fd, text_buf); |
| 3419 | } |
| 3420 | |
| 3421 | void MainController::send_start(component_struct *tc, |
| 3422 | const qualified_name& function_name, int arg_len, const void *arg_ptr) |
| 3423 | { |
| 3424 | Text_Buf text_buf; |
| 3425 | text_buf.push_int(MSG_START); |
| 3426 | text_buf.push_qualified_name(function_name); |
| 3427 | text_buf.push_raw(arg_len, arg_ptr); |
| 3428 | send_message(tc->tc_fd, text_buf); |
| 3429 | } |
| 3430 | |
| 3431 | void MainController::send_kill(component_struct *tc) |
| 3432 | { |
| 3433 | Text_Buf text_buf; |
| 3434 | text_buf.push_int(MSG_KILL); |
| 3435 | send_message(tc->tc_fd, text_buf); |
| 3436 | } |
| 3437 | |
| 3438 | void MainController::send_error(int fd, const char *fmt, ...) |
| 3439 | { |
| 3440 | va_list ap; |
| 3441 | va_start(ap, fmt); |
| 3442 | char *reason = mprintf_va_list(fmt, ap); |
| 3443 | va_end(ap); |
| 3444 | send_error_str(fd, reason); |
| 3445 | Free(reason); |
| 3446 | } |
| 3447 | |
| 3448 | void MainController::send_error_str(int fd, const char *reason) |
| 3449 | { |
| 3450 | Text_Buf text_buf; |
| 3451 | text_buf.push_int((RInt)MSG_ERROR); |
| 3452 | text_buf.push_string(reason); |
| 3453 | send_message(fd, text_buf); |
| 3454 | } |
| 3455 | |
| 3456 | void MainController::send_message(int fd, Text_Buf& text_buf) |
| 3457 | { |
| 3458 | text_buf.calculate_length(); |
| 3459 | const char *send_ptr = text_buf.get_data(); |
| 3460 | int send_len = text_buf.get_len(); |
| 3461 | int sent_len = send(fd, send_ptr, send_len, 0); |
| 3462 | if (send_len != sent_len) { |
| 3463 | error("Sending of message failed: %s", strerror(errno)); |
| 3464 | } |
| 3465 | } |
| 3466 | |
| 3467 | void MainController::process_error(unknown_connection *conn) |
| 3468 | { |
| 3469 | Text_Buf& text_buf = *conn->text_buf; |
| 3470 | char *reason = text_buf.pull_string(); |
| 3471 | error("Error message was received on an unknown connection from %s [%s]: " |
| 3472 | "%s.", conn->ip_addr->get_host_str(), conn->ip_addr->get_addr_str(), reason); |
| 3473 | delete [] reason; |
| 3474 | text_buf.cut_message(); |
| 3475 | status_change(); |
| 3476 | } |
| 3477 | |
| 3478 | void MainController::process_log(unknown_connection *conn) |
| 3479 | { |
| 3480 | Text_Buf& text_buf = *conn->text_buf; |
| 3481 | struct timeval tv; |
| 3482 | tv.tv_sec = text_buf.pull_int().get_val(); |
| 3483 | tv.tv_usec = text_buf.pull_int().get_val(); |
| 3484 | char *source = mprintf("<unknown>@%s", conn->ip_addr->get_host_str()); |
| 3485 | int severity = text_buf.pull_int().get_val(); |
| 3486 | char *message = text_buf.pull_string(); |
| 3487 | notify(&tv, source, severity, message); |
| 3488 | Free(source); |
| 3489 | delete [] message; |
| 3490 | } |
| 3491 | |
| 3492 | void MainController::process_version(unknown_connection *conn) |
| 3493 | { |
| 3494 | if (check_version(conn)) { |
| 3495 | error("HC connection from %s [%s] was refused because of " |
| 3496 | "incorrect version.", conn->ip_addr->get_host_str(), |
| 3497 | conn->ip_addr->get_addr_str()); |
| 3498 | close_unknown_connection(conn); |
| 3499 | return; |
| 3500 | } |
| 3501 | host_struct *hc = add_new_host(conn); |
| 3502 | switch (mc_state) { |
| 3503 | case MC_LISTENING: |
| 3504 | mc_state = MC_HC_CONNECTED; |
| 3505 | case MC_HC_CONNECTED: |
| 3506 | break; |
| 3507 | case MC_LISTENING_CONFIGURED: |
| 3508 | case MC_ACTIVE: |
| 3509 | configure_host(hc, TRUE); |
| 3510 | mc_state = MC_CONFIGURING; |
| 3511 | break; |
| 3512 | case MC_SHUTDOWN: |
| 3513 | send_exit_hc(hc); |
| 3514 | hc->hc_state = HC_EXITING; |
| 3515 | break; |
| 3516 | default: |
| 3517 | configure_host(hc, TRUE); |
| 3518 | } |
| 3519 | // handle the remaining messages that are in hc->text_buf |
| 3520 | handle_hc_data(hc, FALSE); |
| 3521 | status_change(); |
| 3522 | } |
| 3523 | |
| 3524 | void MainController::process_mtc_created(unknown_connection *conn) |
| 3525 | { |
| 3526 | int fd = conn->fd; |
| 3527 | if (mc_state != MC_CREATING_MTC) { |
| 3528 | send_error_str(fd, "Message MTC_CREATED arrived in invalid state."); |
| 3529 | close_unknown_connection(conn); |
| 3530 | return; |
| 3531 | } |
| 3532 | if (mtc == NULL || mtc->tc_state != TC_INITIAL) |
| 3533 | fatal_error("MainController::process_mtc_created: MTC is in invalid " |
| 3534 | "state."); |
| 3535 | if (!conn->unix_socket && |
| 3536 | *(mtc->comp_location->ip_addr) != *(conn->ip_addr)) { |
| 3537 | send_error(fd, "Message MTC_CREATED arrived from an unexpected " |
| 3538 | "IP address. It is accepted only from %s.", |
| 3539 | mtc->comp_location->ip_addr->get_addr_str()); |
| 3540 | close_unknown_connection(conn); |
| 3541 | return; |
| 3542 | } |
| 3543 | |
| 3544 | mc_state = MC_READY; |
| 3545 | mtc->tc_state = TC_IDLE; |
| 3546 | mtc->tc_fd = fd; |
| 3547 | fd_table[fd].fd_type = FD_TC; |
| 3548 | fd_table[fd].component_ptr = mtc; |
| 3549 | Text_Buf *text_buf = conn->text_buf; |
| 3550 | text_buf->cut_message(); |
| 3551 | mtc->text_buf = text_buf; |
| 3552 | delete [] mtc->initial.location_str; |
| 3553 | |
| 3554 | delete_unknown_connection(conn); |
| 3555 | |
| 3556 | notify("MTC is created."); |
| 3557 | // handle the remaining messages that are in text_buf |
| 3558 | handle_tc_data(mtc, FALSE); |
| 3559 | status_change(); |
| 3560 | } |
| 3561 | |
| 3562 | void MainController::process_ptc_created(unknown_connection *conn) |
| 3563 | { |
| 3564 | int fd = conn->fd; |
| 3565 | |
| 3566 | switch (mc_state) { |
| 3567 | case MC_EXECUTING_TESTCASE: |
| 3568 | case MC_TERMINATING_TESTCASE: |
| 3569 | break; |
| 3570 | default: |
| 3571 | send_error_str(fd, "Message PTC_CREATED arrived in invalid state."); |
| 3572 | close_unknown_connection(conn); |
| 3573 | return; |
| 3574 | } |
| 3575 | |
| 3576 | Text_Buf *text_buf = conn->text_buf; |
| 3577 | component component_reference = text_buf->pull_int().get_val(); |
| 3578 | |
| 3579 | switch (component_reference) { |
| 3580 | case NULL_COMPREF: |
| 3581 | send_error_str(fd, "Message PTC_CREATED refers to the null component " |
| 3582 | "reference."); |
| 3583 | close_unknown_connection(conn); |
| 3584 | return; |
| 3585 | case MTC_COMPREF: |
| 3586 | send_error_str(fd, "Message PTC_CREATED refers to the component " |
| 3587 | "reference of the MTC."); |
| 3588 | close_unknown_connection(conn); |
| 3589 | return; |
| 3590 | case SYSTEM_COMPREF: |
| 3591 | send_error_str(fd, "Message PTC_CREATED refers to the component " |
| 3592 | "reference of the system."); |
| 3593 | close_unknown_connection(conn); |
| 3594 | return; |
| 3595 | case ANY_COMPREF: |
| 3596 | send_error_str(fd, "Message PTC_CREATED refers to 'any component'."); |
| 3597 | close_unknown_connection(conn); |
| 3598 | return; |
| 3599 | case ALL_COMPREF: |
| 3600 | send_error_str(fd, "Message PTC_CREATED refers to 'all component'."); |
| 3601 | close_unknown_connection(conn); |
| 3602 | return; |
| 3603 | } |
| 3604 | |
| 3605 | component_struct *tc = lookup_component(component_reference); |
| 3606 | if (tc == NULL) { |
| 3607 | send_error(fd, "Message PTC_CREATED refers to invalid component " |
| 3608 | "reference %d.", component_reference); |
| 3609 | close_unknown_connection(conn); |
| 3610 | return; |
| 3611 | } else if (tc->tc_state != TC_INITIAL) { |
| 3612 | send_error(fd, "Message PTC_CREATED refers to test component " |
| 3613 | "%d, which is not being created.", component_reference); |
| 3614 | close_unknown_connection(conn); |
| 3615 | return; |
| 3616 | } else if (!conn->unix_socket && *(conn->ip_addr) != *(tc->comp_location->ip_addr)) { |
| 3617 | char *real_hostname = mprintf("%s [%s]", conn->ip_addr->get_host_str(), |
| 3618 | conn->ip_addr->get_addr_str()); |
| 3619 | char *expected_hostname = mprintf("%s [%s]", |
| 3620 | tc->comp_location->hostname, tc->comp_location->ip_addr->get_addr_str()); |
| 3621 | send_error(fd, "Invalid source host (%s) for the control " |
| 3622 | "connection. Expected: %s.", real_hostname, expected_hostname); |
| 3623 | error("Connection of PTC %d arrived from an unexpected " |
| 3624 | "IP address (%s). Expected: %s.", component_reference, |
| 3625 | real_hostname, expected_hostname); |
| 3626 | Free(real_hostname); |
| 3627 | Free(expected_hostname); |
| 3628 | close_unknown_connection(conn); |
| 3629 | return; |
| 3630 | } |
| 3631 | |
| 3632 | tc->tc_state = TC_IDLE; |
| 3633 | tc->tc_fd = fd; |
| 3634 | fd_table[fd].fd_type = FD_TC; |
| 3635 | fd_table[fd].component_ptr = tc; |
| 3636 | text_buf->cut_message(); |
| 3637 | tc->text_buf = text_buf; |
| 3638 | delete [] tc->initial.location_str; |
| 3639 | |
| 3640 | delete_unknown_connection(conn); |
| 3641 | |
| 3642 | if (mc_state == MC_TERMINATING_TESTCASE || mtc->stop_requested || |
| 3643 | mtc->tc_state == MTC_ALL_COMPONENT_KILL || |
| 3644 | (mtc->tc_state == MTC_ALL_COMPONENT_STOP && !tc->is_alive)) { |
| 3645 | send_kill(tc); |
| 3646 | tc->tc_state = PTC_KILLING; |
| 3647 | if (!tc->is_alive) tc->stop_requested = TRUE; |
| 3648 | init_requestors(&tc->stopping_killing.stop_requestors, NULL); |
| 3649 | init_requestors(&tc->stopping_killing.kill_requestors, NULL); |
| 3650 | start_kill_timer(tc); |
| 3651 | } else { |
| 3652 | component_struct *create_requestor = tc->initial.create_requestor; |
| 3653 | if (create_requestor->tc_state == TC_CREATE) { |
| 3654 | send_create_ack(create_requestor, component_reference); |
| 3655 | if (create_requestor == mtc) |
| 3656 | create_requestor->tc_state = MTC_TESTCASE; |
| 3657 | else create_requestor->tc_state = PTC_FUNCTION; |
| 3658 | } |
| 3659 | } |
| 3660 | // handle the remaining messages that are in text_buf |
| 3661 | handle_tc_data(tc, FALSE); |
| 3662 | status_change(); |
| 3663 | } |
| 3664 | |
| 3665 | void MainController::process_error(host_struct *hc) |
| 3666 | { |
| 3667 | char *reason = hc->text_buf->pull_string(); |
| 3668 | error("Error message was received from HC at %s [%s]: %s", |
| 3669 | hc->hostname, hc->ip_addr->get_addr_str(), reason); |
| 3670 | delete [] reason; |
| 3671 | } |
| 3672 | |
| 3673 | void MainController::process_log(host_struct *hc) |
| 3674 | { |
| 3675 | Text_Buf& text_buf = *hc->text_buf; |
| 3676 | struct timeval tv; |
| 3677 | tv.tv_sec = text_buf.pull_int().get_val(); |
| 3678 | tv.tv_usec = text_buf.pull_int().get_val(); |
| 3679 | int severity = text_buf.pull_int().get_val(); |
| 3680 | char *message = text_buf.pull_string(); |
| 3681 | notify(&tv, hc->log_source, severity, message); |
| 3682 | delete [] message; |
| 3683 | } |
| 3684 | |
| 3685 | void MainController::process_configure_ack(host_struct *hc) |
| 3686 | { |
| 3687 | switch (hc->hc_state) { |
| 3688 | case HC_CONFIGURING: |
| 3689 | hc->hc_state = HC_ACTIVE; |
| 3690 | break; |
| 3691 | case HC_CONFIGURING_OVERLOADED: |
| 3692 | hc->hc_state = HC_OVERLOADED; |
| 3693 | break; |
| 3694 | default: |
| 3695 | send_error_str(hc->hc_fd, "Unexpected message CONFIGURE_ACK was " |
| 3696 | "received."); |
| 3697 | return; |
| 3698 | } |
| 3699 | if (mc_state == MC_CONFIGURING) check_all_hc_configured(); |
| 3700 | else notify("Host %s was configured successfully.", hc->hostname); |
| 3701 | status_change(); |
| 3702 | } |
| 3703 | |
| 3704 | void MainController::process_configure_nak(host_struct *hc) |
| 3705 | { |
| 3706 | switch (hc->hc_state) { |
| 3707 | case HC_CONFIGURING: |
| 3708 | case HC_CONFIGURING_OVERLOADED: |
| 3709 | hc->hc_state = HC_IDLE; |
| 3710 | break; |
| 3711 | default: |
| 3712 | send_error_str(hc->hc_fd, "Unexpected message CONFIGURE_NAK was " |
| 3713 | "received."); |
| 3714 | return; |
| 3715 | } |
| 3716 | if (mc_state == MC_CONFIGURING) check_all_hc_configured(); |
| 3717 | else notify("Processing of configuration file failed on host %s.", |
| 3718 | hc->hostname); |
| 3719 | status_change(); |
| 3720 | } |
| 3721 | |
| 3722 | void MainController::process_create_nak(host_struct *hc) |
| 3723 | { |
| 3724 | switch (mc_state) { |
| 3725 | case MC_CREATING_MTC: |
| 3726 | case MC_EXECUTING_TESTCASE: |
| 3727 | case MC_TERMINATING_TESTCASE: |
| 3728 | break; |
| 3729 | default: |
| 3730 | send_error_str(hc->hc_fd, "Message CREATE_NAK arrived in invalid " |
| 3731 | "state."); |
| 3732 | return; |
| 3733 | } |
| 3734 | |
| 3735 | switch (hc->hc_state) { |
| 3736 | case HC_ACTIVE: |
| 3737 | notify("Host %s is overloaded. New components will not be created " |
| 3738 | "there until further notice.", hc->hostname); |
| 3739 | hc->hc_state = HC_OVERLOADED; |
| 3740 | // no break |
| 3741 | case HC_OVERLOADED: |
| 3742 | break; |
| 3743 | default: |
| 3744 | send_error_str(hc->hc_fd, "Unexpected message CREATE_NAK was received: " |
| 3745 | "the sender is in invalid state."); |
| 3746 | return; |
| 3747 | } |
| 3748 | |
| 3749 | Text_Buf& text_buf = *hc->text_buf; |
| 3750 | component component_reference = text_buf.pull_int().get_val(); |
| 3751 | |
| 3752 | switch (component_reference) { |
| 3753 | case NULL_COMPREF: |
| 3754 | send_error_str(hc->hc_fd, "Message CREATE_NAK refers to the null " |
| 3755 | "component reference."); |
| 3756 | return; |
| 3757 | case SYSTEM_COMPREF: |
| 3758 | send_error_str(hc->hc_fd, "Message CREATE_NAK refers to the component " |
| 3759 | "reference of the system."); |
| 3760 | return; |
| 3761 | case ANY_COMPREF: |
| 3762 | send_error_str(hc->hc_fd, "Message CREATE_NAK refers to " |
| 3763 | "'any component'."); |
| 3764 | return; |
| 3765 | case ALL_COMPREF: |
| 3766 | send_error_str(hc->hc_fd, "Message CREATE_NAK refers to " |
| 3767 | "'all component'."); |
| 3768 | return; |
| 3769 | } |
| 3770 | |
| 3771 | component_struct *tc = lookup_component(component_reference); |
| 3772 | if (tc == NULL) { |
| 3773 | send_error(hc->hc_fd, "Message CREATE_NAK refers to invalid component " |
| 3774 | "reference %d.", component_reference); |
| 3775 | return; |
| 3776 | } |
| 3777 | if (tc->tc_state != TC_INITIAL) { |
| 3778 | send_error(hc->hc_fd, "Message CREATE_NAK refers to test component " |
| 3779 | "%d, which is not being created.", component_reference); |
| 3780 | return; |
| 3781 | } |
| 3782 | if (tc->comp_location != hc) { |
| 3783 | send_error(hc->hc_fd, "Message CREATE_NAK refers to test component " |
| 3784 | "%d, which was assigned to a different host (%s).", |
| 3785 | component_reference, tc->comp_location->hostname); |
| 3786 | return; |
| 3787 | } |
| 3788 | |
| 3789 | remove_component_from_host(tc); |
| 3790 | hc->n_active_components--; |
| 3791 | |
| 3792 | char *reason = text_buf.pull_string(); |
| 3793 | |
| 3794 | if (tc == mtc) { |
| 3795 | if (mc_state != MC_CREATING_MTC) |
| 3796 | fatal_error("MainController::process_create_nak: MC is in " |
| 3797 | "unexpected state when CREATE_NAK refers to MTC."); |
| 3798 | error("Creation of MTC failed on host %s: %s.", hc->hostname, reason); |
| 3799 | destroy_all_components(); |
| 3800 | mc_state = MC_ACTIVE; |
| 3801 | } else { |
| 3802 | host_struct *new_host = choose_ptc_location( |
| 3803 | tc->comp_type.definition_name, tc->comp_name, |
| 3804 | tc->initial.location_str); |
| 3805 | if (new_host != NULL) { |
| 3806 | send_create_ptc(new_host, component_reference, tc->comp_type, |
| 3807 | tc->comp_name, tc->is_alive, mtc->tc_fn_name); |
| 3808 | notify("PTC with component reference %d was relocated from host " |
| 3809 | "%s to %s because of overload: %s.", component_reference, |
| 3810 | hc->hostname, new_host->hostname, reason); |
| 3811 | add_component_to_host(new_host, tc); |
| 3812 | new_host->n_active_components++; |
| 3813 | } else { |
| 3814 | char *comp_data = mprintf("component type: %s.%s", |
| 3815 | tc->comp_type.module_name, tc->comp_type.definition_name); |
| 3816 | if (tc->comp_name != NULL) |
| 3817 | comp_data = mputprintf(comp_data, ", name: %s", tc->comp_name); |
| 3818 | if (tc->initial.location_str != NULL && |
| 3819 | tc->initial.location_str[0] != '\0') |
| 3820 | comp_data = mputprintf(comp_data, ", location: %s", |
| 3821 | tc->initial.location_str); |
| 3822 | component_struct *create_requestor = tc->initial.create_requestor; |
| 3823 | if (create_requestor->tc_state == TC_CREATE) { |
| 3824 | send_error(create_requestor->tc_fd, "Creation of the new PTC " |
| 3825 | "(%s) failed on host %s: %s. Other suitable hosts to " |
| 3826 | "relocate the component are not available.", comp_data, |
| 3827 | hc->hostname, reason); |
| 3828 | if (create_requestor == mtc) |
| 3829 | create_requestor->tc_state = MTC_TESTCASE; |
| 3830 | else create_requestor->tc_state = PTC_FUNCTION; |
| 3831 | } |
| 3832 | delete [] tc->initial.location_str; |
| 3833 | tc->tc_state = PTC_STALE; |
| 3834 | n_active_ptcs--; |
| 3835 | switch (mtc->tc_state) { |
| 3836 | case MTC_TERMINATING_TESTCASE: |
| 3837 | if (ready_to_finish_testcase()) finish_testcase(); |
| 3838 | break; |
| 3839 | case MTC_ALL_COMPONENT_KILL: |
| 3840 | check_all_component_kill(); |
| 3841 | break; |
| 3842 | case MTC_ALL_COMPONENT_STOP: |
| 3843 | check_all_component_stop(); |
| 3844 | break; |
| 3845 | default: |
| 3846 | break; |
| 3847 | } |
| 3848 | notify("Creation of a PTC (%s) failed on host %s: %s. " |
| 3849 | "Relocation to other suitable host is not possible.", |
| 3850 | comp_data, hc->hostname, reason); |
| 3851 | Free(comp_data); |
| 3852 | } |
| 3853 | } |
| 3854 | |
| 3855 | delete [] reason; |
| 3856 | |
| 3857 | status_change(); |
| 3858 | } |
| 3859 | |
| 3860 | void MainController::process_hc_ready(host_struct *hc) |
| 3861 | { |
| 3862 | switch(hc->hc_state) { |
| 3863 | case HC_OVERLOADED: |
| 3864 | hc->hc_state = HC_ACTIVE; |
| 3865 | break; |
| 3866 | case HC_CONFIGURING_OVERLOADED: |
| 3867 | hc->hc_state = HC_CONFIGURING; |
| 3868 | break; |
| 3869 | default: |
| 3870 | send_error_str(hc->hc_fd, "Unexpected message HC_READY was received."); |
| 3871 | return; |
| 3872 | } |
| 3873 | notify("Host %s is no more overloaded.", hc->hostname); |
| 3874 | status_change(); |
| 3875 | } |
| 3876 | |
| 3877 | void MainController::process_error(component_struct *tc) |
| 3878 | { |
| 3879 | char *reason = tc->text_buf->pull_string(); |
| 3880 | if (tc == mtc) { |
| 3881 | error("Error message was received from the MTC at %s [%s]: %s", |
| 3882 | mtc->comp_location->hostname, |
| 3883 | mtc->comp_location->ip_addr->get_addr_str(), reason); |
| 3884 | } else { |
| 3885 | notify("Error message was received from PTC %d at %s [%s]: %s", |
| 3886 | tc->comp_ref, tc->comp_location->hostname, |
| 3887 | tc->comp_location->ip_addr->get_addr_str(), reason); |
| 3888 | } |
| 3889 | delete [] reason; |
| 3890 | } |
| 3891 | |
| 3892 | void MainController::process_log(component_struct *tc) |
| 3893 | { |
| 3894 | Text_Buf& text_buf = *tc->text_buf; |
| 3895 | struct timeval tv; |
| 3896 | tv.tv_sec = text_buf.pull_int().get_val(); |
| 3897 | tv.tv_usec = text_buf.pull_int().get_val(); |
| 3898 | int severity = text_buf.pull_int().get_val(); |
| 3899 | char *message = text_buf.pull_string(); |
| 3900 | notify(&tv, tc->log_source, severity, message); |
| 3901 | delete [] message; |
| 3902 | } |
| 3903 | |
| 3904 | void MainController::process_create_req(component_struct *tc) |
| 3905 | { |
| 3906 | if (!request_allowed(tc, "CREATE_REQ")) return; |
| 3907 | |
| 3908 | if (max_ptcs >= 0 && n_active_ptcs >= max_ptcs) { |
| 3909 | send_error(tc->tc_fd, "The license key does not allow more than %d " |
| 3910 | "simultaneously active PTCs.", max_ptcs); |
| 3911 | return; |
| 3912 | } |
| 3913 | |
| 3914 | Text_Buf& text_buf = *tc->text_buf; |
| 3915 | qualified_name component_type; |
| 3916 | text_buf.pull_qualified_name(component_type); |
| 3917 | char *component_name = text_buf.pull_string(); |
| 3918 | if (component_name[0] == '\0') { |
| 3919 | delete [] component_name; |
| 3920 | component_name = NULL; |
| 3921 | } |
| 3922 | char *component_location = text_buf.pull_string(); |
| 3923 | if (component_location[0] == '\0') { |
| 3924 | delete [] component_location; |
| 3925 | component_location = NULL; |
| 3926 | } |
| 3927 | boolean is_alive = text_buf.pull_int().get_val(); |
| 3928 | |
| 3929 | host_struct *host = choose_ptc_location(component_type.definition_name, |
| 3930 | component_name, component_location); |
| 3931 | |
| 3932 | if (host == NULL) { |
| 3933 | if (!is_hc_in_state(HC_ACTIVE)) { |
| 3934 | send_error_str(tc->tc_fd, "There is no active HC connection. " |
| 3935 | "Create operation cannot be performed."); |
| 3936 | } else { |
| 3937 | char *comp_data = mprintf("component type: %s.%s", |
| 3938 | component_type.module_name, component_type.definition_name); |
| 3939 | if (component_name != NULL) |
| 3940 | comp_data = mputprintf(comp_data, ", name: %s", component_name); |
| 3941 | if (component_location != NULL) |
| 3942 | comp_data = mputprintf(comp_data, ", location: %s", |
| 3943 | component_location); |
| 3944 | send_error(tc->tc_fd, "No suitable host was found to create a " |
| 3945 | "new PTC (%s).", comp_data); |
| 3946 | Free(comp_data); |
| 3947 | } |
| 3948 | free_qualified_name(&component_type); |
| 3949 | delete [] component_name; |
| 3950 | delete [] component_location; |
| 3951 | return; |
| 3952 | } |
| 3953 | |
| 3954 | component comp_ref = next_comp_ref++; |
| 3955 | send_create_ptc(host, comp_ref, component_type, component_name, is_alive, |
| 3956 | mtc->tc_fn_name); |
| 3957 | |
| 3958 | tc->tc_state = TC_CREATE; |
| 3959 | |
| 3960 | component_struct *new_ptc = new component_struct; |
| 3961 | new_ptc->comp_ref = comp_ref; |
| 3962 | new_ptc->comp_type = component_type; |
| 3963 | new_ptc->comp_name = component_name; |
| 3964 | new_ptc->tc_state = TC_INITIAL; |
| 3965 | new_ptc->local_verdict = NONE; |
| 3966 | new_ptc->verdict_reason = NULL; |
| 3967 | new_ptc->tc_fd = -1; |
| 3968 | new_ptc->text_buf = NULL; |
| 3969 | init_qualified_name(&new_ptc->tc_fn_name); |
| 3970 | new_ptc->return_type = NULL; |
| 3971 | new_ptc->return_value_len = 0; |
| 3972 | new_ptc->return_value = NULL; |
| 3973 | new_ptc->is_alive = is_alive; |
| 3974 | new_ptc->stop_requested = FALSE; |
| 3975 | new_ptc->process_killed = FALSE; |
| 3976 | new_ptc->initial.create_requestor = tc; |
| 3977 | new_ptc->initial.location_str = component_location; |
| 3978 | init_requestors(&new_ptc->done_requestors, NULL); |
| 3979 | init_requestors(&new_ptc->killed_requestors, NULL); |
| 3980 | init_requestors(&new_ptc->cancel_done_sent_for, NULL); |
| 3981 | new_ptc->kill_timer = NULL; |
| 3982 | init_connections(new_ptc); |
| 3983 | |
| 3984 | add_component(new_ptc); |
| 3985 | add_component_to_host(host, new_ptc); |
| 3986 | host->n_active_components++; |
| 3987 | n_active_ptcs++; |
| 3988 | |
| 3989 | status_change(); |
| 3990 | } |
| 3991 | |
| 3992 | void MainController::process_start_req(component_struct *tc, int message_end) |
| 3993 | { |
| 3994 | if (!request_allowed(tc, "START_REQ")) return; |
| 3995 | |
| 3996 | Text_Buf& text_buf = *tc->text_buf; |
| 3997 | component component_reference = text_buf.pull_int().get_val(); |
| 3998 | switch (component_reference) { |
| 3999 | case NULL_COMPREF: |
| 4000 | send_error_str(tc->tc_fd, "Start operation was requested on the null " |
| 4001 | "component reference."); |
| 4002 | return; |
| 4003 | case MTC_COMPREF: |
| 4004 | send_error_str(tc->tc_fd, "Start operation was requested on the " |
| 4005 | "component reference of the MTC."); |
| 4006 | return; |
| 4007 | case SYSTEM_COMPREF: |
| 4008 | send_error_str(tc->tc_fd, "Start operation was requested on the " |
| 4009 | "component reference of the system."); |
| 4010 | return; |
| 4011 | case ANY_COMPREF: |
| 4012 | send_error_str(tc->tc_fd, "Start operation was requested on " |
| 4013 | "'any component'."); |
| 4014 | return; |
| 4015 | case ALL_COMPREF: |
| 4016 | send_error_str(tc->tc_fd, "Start operation was requested on " |
| 4017 | "'all component'."); |
| 4018 | return; |
| 4019 | } |
| 4020 | component_struct *target = lookup_component(component_reference); |
| 4021 | if (target == NULL) { |
| 4022 | send_error(tc->tc_fd, "Start operation was requested on invalid " |
| 4023 | "component reference: %d.", component_reference); |
| 4024 | return; |
| 4025 | } |
| 4026 | switch (target->tc_state) { |
| 4027 | case TC_IDLE: |
| 4028 | case PTC_STOPPED: |
| 4029 | // these states are correct |
| 4030 | break; |
| 4031 | case TC_CREATE: |
| 4032 | case TC_START: |
| 4033 | case TC_STOP: |
| 4034 | case TC_KILL: |
| 4035 | case TC_CONNECT: |
| 4036 | case TC_DISCONNECT: |
| 4037 | case TC_MAP: |
| 4038 | case TC_UNMAP: |
| 4039 | case PTC_FUNCTION: |
| 4040 | case PTC_STARTING: |
| 4041 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4042 | "started because it is already executing function %s.%s.", |
| 4043 | component_reference, target->tc_fn_name.module_name, |
| 4044 | target->tc_fn_name.definition_name); |
| 4045 | return; |
| 4046 | case TC_STOPPING: |
| 4047 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4048 | "started because it function %s.%s is currently being stopped on " |
| 4049 | "it.", component_reference, target->tc_fn_name.module_name, |
| 4050 | target->tc_fn_name.definition_name); |
| 4051 | return; |
| 4052 | case PTC_KILLING: |
| 4053 | case PTC_STOPPING_KILLING: |
| 4054 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4055 | "started because it is currently being killed.", |
| 4056 | component_reference); |
| 4057 | return; |
| 4058 | case TC_EXITING: |
| 4059 | case TC_EXITED: |
| 4060 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4061 | "started because it is not alive anymore.", component_reference); |
| 4062 | return; |
| 4063 | case PTC_STALE: |
| 4064 | send_error(tc->tc_fd, "The argument of start operation (%d) is a " |
| 4065 | "component reference that belongs to an earlier testcase.", |
| 4066 | component_reference); |
| 4067 | return; |
| 4068 | default: |
| 4069 | send_error(tc->tc_fd, "Start operation was requested on component " |
| 4070 | "reference %d, which is in invalid state.", |
| 4071 | component_reference); |
| 4072 | return; |
| 4073 | } |
| 4074 | text_buf.pull_qualified_name(target->tc_fn_name); |
| 4075 | target->stop_requested = FALSE; |
| 4076 | int arg_begin = text_buf.get_pos(); |
| 4077 | int arg_len = message_end - arg_begin; |
| 4078 | const void *arg_ptr = text_buf.get_data() + arg_begin; |
| 4079 | boolean send_cancel_done = FALSE, cancel_any_component_done = FALSE; |
| 4080 | if (target->tc_state == PTC_STOPPED) { |
| 4081 | // updating the state of target because 'any component.done' cannot |
| 4082 | // consider this component anymore |
| 4083 | target->tc_state = PTC_STARTING; |
| 4084 | // cleaning up the previous return value |
| 4085 | delete [] target->return_type; |
| 4086 | target->return_type = NULL; |
| 4087 | target->return_value_len = 0; |
| 4088 | Free(target->return_value); |
| 4089 | target->return_value = NULL; |
| 4090 | // determining which components we need to send CANCEL_DONE to |
| 4091 | init_requestors(&target->starting.cancel_done_sent_to, NULL); |
| 4092 | for (int i = 0; ; i++) { |
| 4093 | component_struct *comp = get_requestor(&target->done_requestors, i); |
| 4094 | if (comp == NULL) break; |
| 4095 | else if (comp == tc) { |
| 4096 | // the start requestor shall cancel the done status locally |
| 4097 | // ignore it |
| 4098 | continue; |
| 4099 | } |
| 4100 | switch (comp->tc_state) { |
| 4101 | case TC_CREATE: |
| 4102 | case TC_START: |
| 4103 | case TC_STOP: |
| 4104 | case TC_KILL: |
| 4105 | case TC_CONNECT: |
| 4106 | case TC_DISCONNECT: |
| 4107 | case TC_MAP: |
| 4108 | case TC_UNMAP: |
| 4109 | case TC_STOPPING: |
| 4110 | case MTC_TESTCASE: |
| 4111 | case PTC_FUNCTION: |
| 4112 | case PTC_STARTING: |
| 4113 | case PTC_STOPPED: |
| 4114 | // a CANCEL_DONE message shall be sent to comp |
| 4115 | send_cancel_done = TRUE; |
| 4116 | add_requestor(&target->starting.cancel_done_sent_to, comp); |
| 4117 | break; |
| 4118 | case TC_EXITING: |
| 4119 | case TC_EXITED: |
| 4120 | case PTC_KILLING: |
| 4121 | case PTC_STOPPING_KILLING: |
| 4122 | // CANCEL_DONE will not be sent to comp |
| 4123 | break; |
| 4124 | default: |
| 4125 | error("Test Component %d is in invalid state when starting " |
| 4126 | "PTC %d.", comp->comp_ref, component_reference); |
| 4127 | } |
| 4128 | } |
| 4129 | // check whether 'any component.done' needs to be cancelled |
| 4130 | if (any_component_done_sent && !is_any_component_done()) { |
| 4131 | send_cancel_done = TRUE; |
| 4132 | cancel_any_component_done = TRUE; |
| 4133 | any_component_done_sent = FALSE; |
| 4134 | add_requestor(&target->starting.cancel_done_sent_to, mtc); |
| 4135 | } |
| 4136 | free_requestors(&target->done_requestors); |
| 4137 | } |
| 4138 | if (send_cancel_done) { |
| 4139 | for (int i = 0; ; i++) { |
| 4140 | component_struct *comp = |
| 4141 | get_requestor(&target->starting.cancel_done_sent_to, i); |
| 4142 | if (comp == NULL) break; |
| 4143 | else if (comp == mtc) send_cancel_done_mtc(component_reference, |
| 4144 | cancel_any_component_done); |
| 4145 | else send_cancel_done_ptc(comp, component_reference); |
| 4146 | add_requestor(&comp->cancel_done_sent_for, target); |
| 4147 | } |
| 4148 | target->starting.start_requestor = tc; |
| 4149 | target->starting.arguments_len = arg_len; |
| 4150 | target->starting.arguments_ptr = Malloc(arg_len); |
| 4151 | memcpy(target->starting.arguments_ptr, arg_ptr, arg_len); |
| 4152 | tc->tc_state = TC_START; |
| 4153 | } else { |
| 4154 | send_start(target, target->tc_fn_name, arg_len, arg_ptr); |
| 4155 | send_start_ack(tc); |
| 4156 | target->tc_state = PTC_FUNCTION; |
| 4157 | } |
| 4158 | status_change(); |
| 4159 | } |
| 4160 | |
| 4161 | void MainController::process_stop_req(component_struct *tc) |
| 4162 | { |
| 4163 | if (!request_allowed(tc, "STOP_REQ")) return; |
| 4164 | |
| 4165 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4166 | switch (component_reference) { |
| 4167 | case NULL_COMPREF: |
| 4168 | send_error_str(tc->tc_fd, "Stop operation was requested on the null " |
| 4169 | "component reference."); |
| 4170 | return; |
| 4171 | case MTC_COMPREF: |
| 4172 | // 'mtc.stop' initiated by a PTC terminates the current testcase |
| 4173 | if (tc != mtc) { |
| 4174 | if (!mtc->stop_requested) { |
| 4175 | send_stop(mtc); |
| 4176 | kill_all_components(TRUE); |
| 4177 | mtc->stop_requested = TRUE; |
| 4178 | start_kill_timer(mtc); |
| 4179 | notify("Test Component %d has requested to stop MTC. " |
| 4180 | "Terminating current testcase execution.", tc->comp_ref); |
| 4181 | status_change(); |
| 4182 | } |
| 4183 | } else send_error_str(tc->tc_fd, "MTC has requested to stop itself."); |
| 4184 | return; |
| 4185 | case SYSTEM_COMPREF: |
| 4186 | send_error_str(tc->tc_fd, "Stop operation was requested on the " |
| 4187 | "component reference of the system."); |
| 4188 | return; |
| 4189 | case ANY_COMPREF: |
| 4190 | send_error_str(tc->tc_fd, "Stop operation was requested on " |
| 4191 | "'any component'."); |
| 4192 | return; |
| 4193 | case ALL_COMPREF: |
| 4194 | if (tc == mtc) { |
| 4195 | if (stop_all_components()) send_stop_ack(mtc); |
| 4196 | else { |
| 4197 | mtc->tc_state = MTC_ALL_COMPONENT_STOP; |
| 4198 | status_change(); |
| 4199 | } |
| 4200 | } else send_error_str(tc->tc_fd, "Operation 'all component.stop' can " |
| 4201 | "only be performed on the MTC."); |
| 4202 | return; |
| 4203 | default: |
| 4204 | break; |
| 4205 | } |
| 4206 | // the operation refers to a specific PTC |
| 4207 | component_struct *target = lookup_component(component_reference); |
| 4208 | if (target == NULL) { |
| 4209 | send_error(tc->tc_fd, "The argument of stop operation is an " |
| 4210 | "invalid component reference: %d.", component_reference); |
| 4211 | return; |
| 4212 | } else if (target == tc) { |
| 4213 | send_error_str(tc->tc_fd, "Stop operation was requested on the " |
| 4214 | "requestor component itself."); |
| 4215 | return; |
| 4216 | } |
| 4217 | boolean target_inactive = FALSE; |
| 4218 | switch (target->tc_state) { |
| 4219 | case PTC_STOPPED: |
| 4220 | if (!target->is_alive) error("PTC %d cannot be in state STOPPED " |
| 4221 | "because it is not an alive type PTC.", component_reference); |
| 4222 | // no break |
| 4223 | case TC_IDLE: |
| 4224 | target_inactive = TRUE; |
| 4225 | // no break |
| 4226 | case TC_CREATE: |
| 4227 | case TC_START: |
| 4228 | case TC_STOP: |
| 4229 | case TC_KILL: |
| 4230 | case TC_CONNECT: |
| 4231 | case TC_DISCONNECT: |
| 4232 | case TC_MAP: |
| 4233 | case TC_UNMAP: |
| 4234 | case PTC_FUNCTION: |
| 4235 | if (target->is_alive) { |
| 4236 | if (target_inactive) { |
| 4237 | // do nothing, just send a STOP_ACK to tc |
| 4238 | send_stop_ack(tc); |
| 4239 | break; |
| 4240 | } else { |
| 4241 | send_stop(target); |
| 4242 | target->tc_state = TC_STOPPING; |
| 4243 | } |
| 4244 | } else { |
| 4245 | // the target is not an alive type PTC: stop operation means kill |
| 4246 | send_kill(target); |
| 4247 | if (target_inactive) target->tc_state = PTC_KILLING; |
| 4248 | else target->tc_state = PTC_STOPPING_KILLING; |
| 4249 | } |
| 4250 | // a STOP or KILL message was sent out |
| 4251 | target->stop_requested = TRUE; |
| 4252 | init_requestors(&target->stopping_killing.stop_requestors, tc); |
| 4253 | init_requestors(&target->stopping_killing.kill_requestors, NULL); |
| 4254 | start_kill_timer(target); |
| 4255 | tc->tc_state = TC_STOP; |
| 4256 | status_change(); |
| 4257 | break; |
| 4258 | case PTC_KILLING: |
| 4259 | if (target->is_alive) { |
| 4260 | // do nothing if the PTC is alive |
| 4261 | send_stop_ack(tc); |
| 4262 | break; |
| 4263 | } |
| 4264 | // no break |
| 4265 | case TC_STOPPING: |
| 4266 | case PTC_STOPPING_KILLING: |
| 4267 | // the PTC is currently being stopped |
| 4268 | add_requestor(&target->stopping_killing.stop_requestors, tc); |
| 4269 | tc->tc_state = TC_STOP; |
| 4270 | status_change(); |
| 4271 | break; |
| 4272 | case TC_EXITING: |
| 4273 | case TC_EXITED: |
| 4274 | // the PTC is already terminated, do nothing |
| 4275 | send_stop_ack(tc); |
| 4276 | break; |
| 4277 | case PTC_STARTING: |
| 4278 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4279 | "stopped because it is currently being started.", |
| 4280 | component_reference); |
| 4281 | break; |
| 4282 | case PTC_STALE: |
| 4283 | send_error(tc->tc_fd, "The argument of stop operation (%d) is a " |
| 4284 | "component reference that belongs to an earlier testcase.", |
| 4285 | component_reference); |
| 4286 | break; |
| 4287 | default: |
| 4288 | send_error(tc->tc_fd, "The test component that the stop operation " |
| 4289 | "refers to (%d) is in invalid state.", component_reference); |
| 4290 | } |
| 4291 | } |
| 4292 | |
| 4293 | void MainController::process_kill_req(component_struct *tc) |
| 4294 | { |
| 4295 | if (!request_allowed(tc, "KILL_REQ")) return; |
| 4296 | |
| 4297 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4298 | switch (component_reference) { |
| 4299 | case NULL_COMPREF: |
| 4300 | send_error_str(tc->tc_fd, "Kill operation was requested on the null " |
| 4301 | "component reference."); |
| 4302 | return; |
| 4303 | case MTC_COMPREF: |
| 4304 | send_error_str(tc->tc_fd, "Kill operation was requested on the " |
| 4305 | "component reference of the MTC."); |
| 4306 | return; |
| 4307 | case SYSTEM_COMPREF: |
| 4308 | send_error_str(tc->tc_fd, "Kill operation was requested on the " |
| 4309 | "component reference of the system."); |
| 4310 | return; |
| 4311 | case ANY_COMPREF: |
| 4312 | send_error_str(tc->tc_fd, "Kill operation was requested on " |
| 4313 | "'any component'."); |
| 4314 | return; |
| 4315 | case ALL_COMPREF: |
| 4316 | if (tc == mtc) { |
| 4317 | if (kill_all_components(FALSE)) send_kill_ack(mtc); |
| 4318 | else { |
| 4319 | mtc->tc_state = MTC_ALL_COMPONENT_KILL; |
| 4320 | status_change(); |
| 4321 | } |
| 4322 | } else send_error_str(tc->tc_fd, "Operation 'all component.kill' can " |
| 4323 | "only be performed on the MTC."); |
| 4324 | return; |
| 4325 | default: |
| 4326 | break; |
| 4327 | } |
| 4328 | // the operation refers to a specific PTC |
| 4329 | component_struct *target = lookup_component(component_reference); |
| 4330 | if (target == NULL) { |
| 4331 | send_error(tc->tc_fd, "The argument of kill operation is an " |
| 4332 | "invalid component reference: %d.", component_reference); |
| 4333 | return; |
| 4334 | } else if (target == tc) { |
| 4335 | send_error_str(tc->tc_fd, "Kill operation was requested on the " |
| 4336 | "requestor component itself."); |
| 4337 | return; |
| 4338 | } |
| 4339 | boolean target_inactive = FALSE; |
| 4340 | switch (target->tc_state) { |
| 4341 | case PTC_STOPPED: |
| 4342 | // the done status of this PTC is already sent out |
| 4343 | // and it will not be cancelled in the future |
| 4344 | free_requestors(&target->done_requestors); |
| 4345 | // no break |
| 4346 | case TC_IDLE: |
| 4347 | target_inactive = TRUE; |
| 4348 | // no break |
| 4349 | case TC_CREATE: |
| 4350 | case TC_START: |
| 4351 | case TC_STOP: |
| 4352 | case TC_KILL: |
| 4353 | case TC_CONNECT: |
| 4354 | case TC_DISCONNECT: |
| 4355 | case TC_MAP: |
| 4356 | case TC_UNMAP: |
| 4357 | case PTC_FUNCTION: |
| 4358 | send_kill(target); |
| 4359 | if (target_inactive) { |
| 4360 | // the PTC was inactive |
| 4361 | target->tc_state = PTC_KILLING; |
| 4362 | if (!target->is_alive) target->stop_requested = TRUE; |
| 4363 | } else { |
| 4364 | // the PTC was active |
| 4365 | target->tc_state = PTC_STOPPING_KILLING; |
| 4366 | target->stop_requested = TRUE; |
| 4367 | } |
| 4368 | init_requestors(&target->stopping_killing.stop_requestors, NULL); |
| 4369 | init_requestors(&target->stopping_killing.kill_requestors, tc); |
| 4370 | start_kill_timer(target); |
| 4371 | tc->tc_state = TC_KILL; |
| 4372 | status_change(); |
| 4373 | break; |
| 4374 | case TC_STOPPING: |
| 4375 | // the PTC is currently being stopped |
| 4376 | send_kill(target); |
| 4377 | target->tc_state = PTC_STOPPING_KILLING; |
| 4378 | if (target->kill_timer != NULL) cancel_timer(target->kill_timer); |
| 4379 | start_kill_timer(target); |
| 4380 | // no break |
| 4381 | case PTC_KILLING: |
| 4382 | case PTC_STOPPING_KILLING: |
| 4383 | // the PTC is currently being terminated |
| 4384 | add_requestor(&target->stopping_killing.kill_requestors, tc); |
| 4385 | tc->tc_state = TC_KILL; |
| 4386 | status_change(); |
| 4387 | break; |
| 4388 | case TC_EXITING: |
| 4389 | case TC_EXITED: |
| 4390 | // the PTC is already terminated |
| 4391 | send_kill_ack(tc); |
| 4392 | break; |
| 4393 | case PTC_STARTING: |
| 4394 | send_error(tc->tc_fd, "PTC with component reference %d cannot be " |
| 4395 | "killed because it is currently being started.", |
| 4396 | component_reference); |
| 4397 | break; |
| 4398 | case PTC_STALE: |
| 4399 | send_error(tc->tc_fd, "The argument of kill operation (%d) is a " |
| 4400 | "component reference that belongs to an earlier testcase.", |
| 4401 | component_reference); |
| 4402 | break; |
| 4403 | default: |
| 4404 | send_error(tc->tc_fd, "The test component that the kill operation " |
| 4405 | "refers to (%d) is in invalid state.", component_reference); |
| 4406 | } |
| 4407 | } |
| 4408 | |
| 4409 | void MainController::process_is_running(component_struct *tc) |
| 4410 | { |
| 4411 | if (!request_allowed(tc, "IS_RUNNING")) return; |
| 4412 | |
| 4413 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4414 | switch (component_reference) { |
| 4415 | case NULL_COMPREF: |
| 4416 | send_error_str(tc->tc_fd, "Running operation was requested on the " |
| 4417 | "null component reference."); |
| 4418 | return; |
| 4419 | case MTC_COMPREF: |
| 4420 | send_error_str(tc->tc_fd, "Running operation was requested on the " |
| 4421 | "component reference of the MTC."); |
| 4422 | return; |
| 4423 | case SYSTEM_COMPREF: |
| 4424 | send_error_str(tc->tc_fd, "Running operation was requested on the " |
| 4425 | "component reference of the system."); |
| 4426 | return; |
| 4427 | case ANY_COMPREF: |
| 4428 | if (tc == mtc) send_running(mtc, is_any_component_running()); |
| 4429 | else send_error_str(tc->tc_fd, "Operation 'any component.running' " |
| 4430 | "can only be performed on the MTC."); |
| 4431 | return; |
| 4432 | case ALL_COMPREF: |
| 4433 | if (tc == mtc) send_running(mtc, is_all_component_running()); |
| 4434 | else send_error_str(tc->tc_fd, "Operation 'all component.running' " |
| 4435 | "can only be performed on the MTC."); |
| 4436 | return; |
| 4437 | default: |
| 4438 | break; |
| 4439 | } |
| 4440 | // the operation refers to a specific PTC |
| 4441 | component_struct *comp = lookup_component(component_reference); |
| 4442 | if (comp == NULL) { |
| 4443 | send_error(tc->tc_fd, "The argument of running operation is an " |
| 4444 | "invalid component reference: %d.", component_reference); |
| 4445 | return; |
| 4446 | } |
| 4447 | switch (comp->tc_state) { |
| 4448 | case TC_CREATE: |
| 4449 | case TC_START: |
| 4450 | case TC_STOP: |
| 4451 | case TC_KILL: |
| 4452 | case TC_CONNECT: |
| 4453 | case TC_DISCONNECT: |
| 4454 | case TC_MAP: |
| 4455 | case TC_UNMAP: |
| 4456 | case TC_STOPPING: |
| 4457 | case PTC_FUNCTION: |
| 4458 | case PTC_STARTING: |
| 4459 | case PTC_STOPPING_KILLING: |
| 4460 | send_running(tc, TRUE); |
| 4461 | break; |
| 4462 | case TC_IDLE: |
| 4463 | case TC_EXITING: |
| 4464 | case TC_EXITED: |
| 4465 | case PTC_STOPPED: |
| 4466 | case PTC_KILLING: |
| 4467 | send_running(tc, FALSE); |
| 4468 | break; |
| 4469 | case PTC_STALE: |
| 4470 | send_error(tc->tc_fd, "The argument of running operation (%d) is a " |
| 4471 | "component reference that belongs to an earlier testcase.", |
| 4472 | component_reference); |
| 4473 | break; |
| 4474 | default: |
| 4475 | send_error(tc->tc_fd, "The test component that the running operation " |
| 4476 | "refers to (%d) is in invalid state.", component_reference); |
| 4477 | } |
| 4478 | } |
| 4479 | |
| 4480 | void MainController::process_is_alive(component_struct *tc) |
| 4481 | { |
| 4482 | if (!request_allowed(tc, "IS_ALIVE")) return; |
| 4483 | |
| 4484 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4485 | switch (component_reference) { |
| 4486 | case NULL_COMPREF: |
| 4487 | send_error_str(tc->tc_fd, "Alive operation was requested on the " |
| 4488 | "null component reference."); |
| 4489 | return; |
| 4490 | case MTC_COMPREF: |
| 4491 | send_error_str(tc->tc_fd, "Alive operation was requested on the " |
| 4492 | "component reference of the MTC."); |
| 4493 | return; |
| 4494 | case SYSTEM_COMPREF: |
| 4495 | send_error_str(tc->tc_fd, "Alive operation was requested on the " |
| 4496 | "component reference of the system."); |
| 4497 | return; |
| 4498 | case ANY_COMPREF: |
| 4499 | if (tc == mtc) send_alive(mtc, is_any_component_alive()); |
| 4500 | else send_error_str(tc->tc_fd, "Operation 'any component.alive' " |
| 4501 | "can only be performed on the MTC."); |
| 4502 | return; |
| 4503 | case ALL_COMPREF: |
| 4504 | if (tc == mtc) send_alive(mtc, is_all_component_alive()); |
| 4505 | else send_error_str(tc->tc_fd, "Operation 'all component.alive' " |
| 4506 | "can only be performed on the MTC."); |
| 4507 | return; |
| 4508 | default: |
| 4509 | break; |
| 4510 | } |
| 4511 | // the operation refers to a specific PTC |
| 4512 | component_struct *comp = lookup_component(component_reference); |
| 4513 | if (comp == NULL) { |
| 4514 | send_error(tc->tc_fd, "The argument of alive operation is an " |
| 4515 | "invalid component reference: %d.", component_reference); |
| 4516 | return; |
| 4517 | } |
| 4518 | switch (comp->tc_state) { |
| 4519 | case TC_IDLE: |
| 4520 | case TC_CREATE: |
| 4521 | case TC_START: |
| 4522 | case TC_STOP: |
| 4523 | case TC_KILL: |
| 4524 | case TC_CONNECT: |
| 4525 | case TC_DISCONNECT: |
| 4526 | case TC_MAP: |
| 4527 | case TC_UNMAP: |
| 4528 | case TC_STOPPING: |
| 4529 | case PTC_FUNCTION: |
| 4530 | case PTC_STARTING: |
| 4531 | case PTC_STOPPED: |
| 4532 | case PTC_KILLING: |
| 4533 | case PTC_STOPPING_KILLING: |
| 4534 | send_alive(tc, TRUE); |
| 4535 | break; |
| 4536 | case TC_EXITING: |
| 4537 | case TC_EXITED: |
| 4538 | send_alive(tc, FALSE); |
| 4539 | break; |
| 4540 | case PTC_STALE: |
| 4541 | send_error(tc->tc_fd, "The argument of alive operation (%d) is a " |
| 4542 | "component reference that belongs to an earlier testcase.", |
| 4543 | component_reference); |
| 4544 | break; |
| 4545 | default: |
| 4546 | send_error(tc->tc_fd, "The test component that the alive operation " |
| 4547 | "refers to (%d) is in invalid state.", component_reference); |
| 4548 | } |
| 4549 | } |
| 4550 | |
| 4551 | void MainController::process_done_req(component_struct *tc) |
| 4552 | { |
| 4553 | if (!request_allowed(tc, "DONE_REQ")) return; |
| 4554 | |
| 4555 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4556 | switch (component_reference) { |
| 4557 | case NULL_COMPREF: |
| 4558 | send_error_str(tc->tc_fd, "Done operation was requested on the null " |
| 4559 | "component reference."); |
| 4560 | return; |
| 4561 | case MTC_COMPREF: |
| 4562 | send_error_str(tc->tc_fd, "Done operation was requested on the " |
| 4563 | "component reference of the MTC."); |
| 4564 | return; |
| 4565 | case SYSTEM_COMPREF: |
| 4566 | send_error_str(tc->tc_fd, "Done operation was requested on the " |
| 4567 | "component reference of the system."); |
| 4568 | return; |
| 4569 | case ANY_COMPREF: |
| 4570 | if (tc == mtc) { |
| 4571 | boolean answer = is_any_component_done(); |
| 4572 | send_done_ack(mtc, answer, NULL, 0, NULL); |
| 4573 | if (answer) any_component_done_sent = TRUE; |
| 4574 | else any_component_done_requested = TRUE; |
| 4575 | } else send_error_str(tc->tc_fd, "Operation 'any component.done' can " |
| 4576 | "only be performed on the MTC."); |
| 4577 | return; |
| 4578 | case ALL_COMPREF: |
| 4579 | if (tc == mtc) { |
| 4580 | boolean answer = !is_any_component_running(); |
| 4581 | send_done_ack(mtc, answer, NULL, 0, NULL); |
| 4582 | if (!answer) all_component_done_requested = TRUE; |
| 4583 | } else send_error_str(tc->tc_fd, "Operation 'all component.done' can " |
| 4584 | "only be performed on the MTC."); |
| 4585 | return; |
| 4586 | default: |
| 4587 | break; |
| 4588 | } |
| 4589 | // the operation refers to a specific PTC |
| 4590 | component_struct *comp = lookup_component(component_reference); |
| 4591 | if (comp == NULL) { |
| 4592 | send_error(tc->tc_fd, "The argument of done operation is an " |
| 4593 | "invalid component reference: %d.", component_reference); |
| 4594 | return; |
| 4595 | } |
| 4596 | switch (comp->tc_state) { |
| 4597 | case PTC_STOPPED: |
| 4598 | // this answer has to be cancelled when the component is re-started |
| 4599 | add_requestor(&comp->done_requestors, tc); |
| 4600 | // no break |
| 4601 | case TC_EXITING: |
| 4602 | case TC_EXITED: |
| 4603 | case PTC_KILLING: |
| 4604 | send_done_ack(tc, TRUE, comp->return_type, comp->return_value_len, |
| 4605 | comp->return_value); |
| 4606 | break; |
| 4607 | case TC_IDLE: |
| 4608 | case TC_CREATE: |
| 4609 | case TC_START: |
| 4610 | case TC_STOP: |
| 4611 | case TC_KILL: |
| 4612 | case TC_CONNECT: |
| 4613 | case TC_DISCONNECT: |
| 4614 | case TC_MAP: |
| 4615 | case TC_UNMAP: |
| 4616 | case TC_STOPPING: |
| 4617 | case PTC_FUNCTION: |
| 4618 | case PTC_STARTING: |
| 4619 | case PTC_STOPPING_KILLING: |
| 4620 | send_done_ack(tc, FALSE, NULL, 0, NULL); |
| 4621 | add_requestor(&comp->done_requestors, tc); |
| 4622 | break; |
| 4623 | case PTC_STALE: |
| 4624 | send_error(tc->tc_fd, "The argument of done operation (%d) is a " |
| 4625 | "component reference that belongs to an earlier testcase.", |
| 4626 | component_reference); |
| 4627 | break; |
| 4628 | default: |
| 4629 | send_error(tc->tc_fd, "The test component that the done operation " |
| 4630 | "refers to (%d) is in invalid state.", component_reference); |
| 4631 | } |
| 4632 | } |
| 4633 | |
| 4634 | void MainController::process_killed_req(component_struct *tc) |
| 4635 | { |
| 4636 | if (!request_allowed(tc, "KILLED_REQ")) return; |
| 4637 | |
| 4638 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4639 | switch (component_reference) { |
| 4640 | case NULL_COMPREF: |
| 4641 | send_error_str(tc->tc_fd, "Killed operation was requested on the null " |
| 4642 | "component reference."); |
| 4643 | return; |
| 4644 | case MTC_COMPREF: |
| 4645 | send_error_str(tc->tc_fd, "Killed operation was requested on the " |
| 4646 | "component reference of the MTC."); |
| 4647 | return; |
| 4648 | case SYSTEM_COMPREF: |
| 4649 | send_error_str(tc->tc_fd, "Killed operation was requested on the " |
| 4650 | "component reference of the system."); |
| 4651 | return; |
| 4652 | case ANY_COMPREF: |
| 4653 | if (tc == mtc) { |
| 4654 | boolean answer = !is_all_component_alive(); |
| 4655 | send_killed_ack(mtc, answer); |
| 4656 | if (!answer) any_component_killed_requested = TRUE; |
| 4657 | } else send_error_str(tc->tc_fd, "Operation 'any component.killed' can " |
| 4658 | "only be performed on the MTC."); |
| 4659 | return; |
| 4660 | case ALL_COMPREF: |
| 4661 | if (tc == mtc) { |
| 4662 | boolean answer = !is_any_component_alive(); |
| 4663 | send_killed_ack(mtc, answer); |
| 4664 | if (!answer) all_component_killed_requested = TRUE; |
| 4665 | } else send_error_str(tc->tc_fd, "Operation 'all component.killed' can " |
| 4666 | "only be performed on the MTC."); |
| 4667 | return; |
| 4668 | default: |
| 4669 | break; |
| 4670 | } |
| 4671 | // the operation refers to a specific PTC |
| 4672 | component_struct *comp = lookup_component(component_reference); |
| 4673 | if (comp == NULL) { |
| 4674 | send_error(tc->tc_fd, "The argument of killed operation is an " |
| 4675 | "invalid component reference: %d.", component_reference); |
| 4676 | return; |
| 4677 | } |
| 4678 | switch (comp->tc_state) { |
| 4679 | case TC_EXITING: |
| 4680 | case TC_EXITED: |
| 4681 | send_killed_ack(tc, TRUE); |
| 4682 | break; |
| 4683 | case TC_IDLE: |
| 4684 | case TC_CREATE: |
| 4685 | case TC_START: |
| 4686 | case TC_STOP: |
| 4687 | case TC_KILL: |
| 4688 | case TC_CONNECT: |
| 4689 | case TC_DISCONNECT: |
| 4690 | case TC_MAP: |
| 4691 | case TC_UNMAP: |
| 4692 | case TC_STOPPING: |
| 4693 | case PTC_FUNCTION: |
| 4694 | case PTC_STARTING: |
| 4695 | case PTC_STOPPED: |
| 4696 | case PTC_KILLING: |
| 4697 | case PTC_STOPPING_KILLING: |
| 4698 | send_killed_ack(tc, FALSE); |
| 4699 | add_requestor(&comp->killed_requestors, tc); |
| 4700 | break; |
| 4701 | case PTC_STALE: |
| 4702 | send_error(tc->tc_fd, "The argument of killed operation (%d) is a " |
| 4703 | "component reference that belongs to an earlier testcase.", |
| 4704 | component_reference); |
| 4705 | break; |
| 4706 | default: |
| 4707 | send_error(tc->tc_fd, "The test component that the killed operation " |
| 4708 | "refers to (%d) is in invalid state.", component_reference); |
| 4709 | } |
| 4710 | } |
| 4711 | |
| 4712 | void MainController::process_cancel_done_ack(component_struct *tc) |
| 4713 | { |
| 4714 | component component_reference = tc->text_buf->pull_int().get_val(); |
| 4715 | switch (component_reference) { |
| 4716 | case NULL_COMPREF: |
| 4717 | send_error_str(tc->tc_fd, "Message CANCEL_DONE_ACK refers to the null " |
| 4718 | "component reference."); |
| 4719 | return; |
| 4720 | case MTC_COMPREF: |
| 4721 | send_error_str(tc->tc_fd, "Message CANCEL_DONE_ACK refers to the " |
| 4722 | "component reference of the MTC."); |
| 4723 | return; |
| 4724 | case SYSTEM_COMPREF: |
| 4725 | send_error_str(tc->tc_fd, "Message CANCEL_DONE_ACK refers to the " |
| 4726 | "component reference of the system."); |
| 4727 | return; |
| 4728 | case ANY_COMPREF: |
| 4729 | send_error_str(tc->tc_fd, "Message CANCEL_DONE_ACK refers to " |
| 4730 | "'any component'."); |
| 4731 | return; |
| 4732 | case ALL_COMPREF: |
| 4733 | send_error_str(tc->tc_fd, "Message CANCEL_DONE_ACK refers to " |
| 4734 | "'all component'."); |
| 4735 | return; |
| 4736 | default: |
| 4737 | break; |
| 4738 | } |
| 4739 | component_struct *started_tc = lookup_component(component_reference); |
| 4740 | if (started_tc == NULL) { |
| 4741 | send_error(tc->tc_fd, "Message CANCEL_DONE_ACK refers to an invalid " |
| 4742 | "component reference: %d.", component_reference); |
| 4743 | return; |
| 4744 | } |
| 4745 | done_cancelled(tc, started_tc); |
| 4746 | remove_requestor(&tc->cancel_done_sent_for, started_tc); |
| 4747 | } |
| 4748 | |
| 4749 | void MainController::process_connect_req(component_struct *tc) |
| 4750 | { |
| 4751 | if (!request_allowed(tc, "CONNECT_REQ")) return; |
| 4752 | |
| 4753 | Text_Buf& text_buf = *tc->text_buf; |
| 4754 | component src_compref = text_buf.pull_int().get_val(); |
| 4755 | char *src_port = text_buf.pull_string(); |
| 4756 | component dst_compref = text_buf.pull_int().get_val(); |
| 4757 | char *dst_port = text_buf.pull_string(); |
| 4758 | |
| 4759 | if (!valid_endpoint(src_compref, TRUE, tc, "connect") || |
| 4760 | !valid_endpoint(dst_compref, TRUE, tc, "connect")) { |
| 4761 | delete [] src_port; |
| 4762 | delete [] dst_port; |
| 4763 | return; |
| 4764 | } |
| 4765 | |
| 4766 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 4767 | dst_port); |
| 4768 | if (conn == NULL) { |
| 4769 | conn = new port_connection; |
| 4770 | conn->transport_type = |
| 4771 | choose_port_connection_transport(src_compref, dst_compref); |
| 4772 | conn->head.comp_ref = src_compref; |
| 4773 | conn->head.port_name = src_port; |
| 4774 | conn->tail.comp_ref = dst_compref; |
| 4775 | conn->tail.port_name = dst_port; |
| 4776 | init_requestors(&conn->requestors, tc); |
| 4777 | add_connection(conn); |
| 4778 | // conn->head and tail is now in canonical order |
| 4779 | switch (conn->transport_type) { |
| 4780 | case TRANSPORT_LOCAL: |
| 4781 | // send an empty string instead of component name |
| 4782 | // the component should already know its own name |
| 4783 | send_connect(components[conn->head.comp_ref], conn->head.port_name, |
| 4784 | conn->tail.comp_ref, NULL, conn->tail.port_name, |
| 4785 | conn->transport_type, 0, NULL); |
| 4786 | conn->conn_state = CONN_CONNECTING; |
| 4787 | break; |
| 4788 | case TRANSPORT_UNIX_STREAM: |
| 4789 | case TRANSPORT_INET_STREAM: |
| 4790 | // conn->head will be the server side |
| 4791 | if (conn->tail.comp_ref != MTC_COMPREF && |
| 4792 | conn->tail.comp_ref != conn->head.comp_ref) { |
| 4793 | // send the name of conn->tail |
| 4794 | send_connect_listen(components[conn->head.comp_ref], |
| 4795 | conn->head.port_name, conn->tail.comp_ref, |
| 4796 | components[conn->tail.comp_ref]->comp_name, |
| 4797 | conn->tail.port_name, conn->transport_type); |
| 4798 | } else { |
| 4799 | // send an empty string instead of the name of conn->tail if |
| 4800 | // it is known by conn->head |
| 4801 | send_connect_listen(components[conn->head.comp_ref], |
| 4802 | conn->head.port_name, conn->tail.comp_ref, NULL, |
| 4803 | conn->tail.port_name, conn->transport_type); |
| 4804 | } |
| 4805 | conn->conn_state = CONN_LISTENING; |
| 4806 | break; |
| 4807 | default: |
| 4808 | send_error(tc->tc_fd, "The port connection %d:%s - %d:%s cannot " |
| 4809 | "be established because no suitable transport mechanism is " |
| 4810 | "available on the corresponding host(s).", src_compref, |
| 4811 | src_port, dst_compref, dst_port); |
| 4812 | remove_connection(conn); |
| 4813 | return; |
| 4814 | } |
| 4815 | tc->tc_state = TC_CONNECT; |
| 4816 | status_change(); |
| 4817 | } else { |
| 4818 | switch (conn->conn_state) { |
| 4819 | case CONN_LISTENING: |
| 4820 | case CONN_CONNECTING: |
| 4821 | add_requestor(&conn->requestors, tc); |
| 4822 | tc->tc_state = TC_CONNECT; |
| 4823 | status_change(); |
| 4824 | break; |
| 4825 | case CONN_CONNECTED: |
| 4826 | send_connect_ack(tc); |
| 4827 | break; |
| 4828 | case CONN_DISCONNECTING: |
| 4829 | send_error(tc->tc_fd, "The port connection %d:%s - %d:%s cannot " |
| 4830 | "be established because a disconnect operation is in progress " |
| 4831 | "on it.", src_compref, src_port, dst_compref, dst_port); |
| 4832 | break; |
| 4833 | default: |
| 4834 | send_error(tc->tc_fd, "The port connection %d:%s - %d:%s cannot " |
| 4835 | "be established due to an internal error in the MC.", |
| 4836 | src_compref, src_port, dst_compref, dst_port); |
| 4837 | error("The port connection %d:%s - %d:%s is in invalid state " |
| 4838 | "when a connect operation was requested on it.", src_compref, |
| 4839 | src_port, dst_compref, dst_port); |
| 4840 | } |
| 4841 | delete [] src_port; |
| 4842 | delete [] dst_port; |
| 4843 | } |
| 4844 | } |
| 4845 | |
| 4846 | void MainController::process_connect_listen_ack(component_struct *tc, |
| 4847 | int message_end) |
| 4848 | { |
| 4849 | if (!message_expected(tc, "CONNECT_LISTEN_ACK")) return; |
| 4850 | |
| 4851 | Text_Buf& text_buf = *tc->text_buf; |
| 4852 | component src_compref = tc->comp_ref; |
| 4853 | char *src_port = text_buf.pull_string(); |
| 4854 | component dst_compref = text_buf.pull_int().get_val(); |
| 4855 | char *dst_port = text_buf.pull_string(); |
| 4856 | transport_type_enum transport_type = |
| 4857 | (transport_type_enum)text_buf.pull_int().get_val(); |
| 4858 | int local_addr_begin = text_buf.get_pos(); |
| 4859 | int local_addr_len = message_end - local_addr_begin; |
| 4860 | const void *local_addr_ptr = text_buf.get_data() + local_addr_begin; |
| 4861 | |
| 4862 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 4863 | dst_port); |
| 4864 | if (conn != NULL) { |
| 4865 | // this message must arrive in the right state |
| 4866 | // and from the server side (head) |
| 4867 | if (conn->conn_state != CONN_LISTENING || |
| 4868 | conn->head.comp_ref != src_compref || |
| 4869 | strcmp(conn->head.port_name, src_port)) { |
| 4870 | send_error(tc->tc_fd, "Unexpected message CONNECT_LISTEN_ACK was " |
| 4871 | "received for port connection %d:%s - %d:%s.", |
| 4872 | src_compref, src_port, dst_compref, dst_port); |
| 4873 | delete [] src_port; |
| 4874 | delete [] dst_port; |
| 4875 | return; |
| 4876 | } else if (conn->transport_type != transport_type) { |
| 4877 | send_error(tc->tc_fd, "Message CONNECT_LISTEN_ACK for port " |
| 4878 | "connection %d:%s - %d:%s contains wrong transport type: %s " |
| 4879 | "was expected instead of %s.", src_compref, src_port, |
| 4880 | dst_compref, dst_port, get_transport_name(conn->transport_type), |
| 4881 | get_transport_name(transport_type)); |
| 4882 | delete [] src_port; |
| 4883 | delete [] dst_port; |
| 4884 | return; |
| 4885 | } |
| 4886 | component_struct *dst_comp = components[dst_compref]; |
| 4887 | switch (dst_comp->tc_state) { |
| 4888 | case TC_IDLE: |
| 4889 | case TC_CREATE: |
| 4890 | case TC_START: |
| 4891 | case TC_STOP: |
| 4892 | case TC_KILL: |
| 4893 | case TC_CONNECT: |
| 4894 | case TC_DISCONNECT: |
| 4895 | case TC_MAP: |
| 4896 | case TC_UNMAP: |
| 4897 | case TC_STOPPING: |
| 4898 | case MTC_TESTCASE: |
| 4899 | case PTC_FUNCTION: |
| 4900 | case PTC_STARTING: |
| 4901 | case PTC_STOPPED: |
| 4902 | if (src_compref != MTC_COMPREF && src_compref != dst_compref) { |
| 4903 | // send the name of tc |
| 4904 | send_connect(dst_comp, dst_port, src_compref, tc->comp_name, |
| 4905 | src_port, transport_type, local_addr_len, local_addr_ptr); |
| 4906 | } else { |
| 4907 | // send an empty string instead of the name of tc if it is |
| 4908 | // known by dst_comp |
| 4909 | send_connect(dst_comp, dst_port, src_compref, NULL, src_port, |
| 4910 | transport_type, local_addr_len, local_addr_ptr); |
| 4911 | } |
| 4912 | conn->conn_state = CONN_CONNECTING; |
| 4913 | break; |
| 4914 | default: |
| 4915 | send_disconnect_to_server(conn); |
| 4916 | send_error_to_connect_requestors(conn, "test component %d has " |
| 4917 | "terminated during connection setup.", dst_compref); |
| 4918 | remove_connection(conn); |
| 4919 | } |
| 4920 | status_change(); |
| 4921 | } else { |
| 4922 | // the connection does not exist anymore |
| 4923 | // check whether the transport type is valid |
| 4924 | switch (transport_type) { |
| 4925 | case TRANSPORT_LOCAL: |
| 4926 | send_error(tc->tc_fd, "Message CONNECT_LISTEN_ACK for port " |
| 4927 | "connection %d:%s - %d:%s cannot refer to transport type %s.", |
| 4928 | src_compref, src_port, dst_compref, dst_port, |
| 4929 | get_transport_name(transport_type)); |
| 4930 | break; |
| 4931 | case TRANSPORT_INET_STREAM: |
| 4932 | case TRANSPORT_UNIX_STREAM: |
| 4933 | break; |
| 4934 | default: |
| 4935 | send_error(tc->tc_fd, "Message CONNECT_LISTEN_ACK for port " |
| 4936 | "connection %d:%s - %d:%s refers to invalid transport type %d.", |
| 4937 | src_compref, src_port, dst_compref, dst_port, transport_type); |
| 4938 | } |
| 4939 | } |
| 4940 | |
| 4941 | delete [] src_port; |
| 4942 | delete [] dst_port; |
| 4943 | } |
| 4944 | |
| 4945 | void MainController::process_connected(component_struct *tc) |
| 4946 | { |
| 4947 | if (!message_expected(tc, "CONNECTED")) return; |
| 4948 | |
| 4949 | Text_Buf& text_buf = *tc->text_buf; |
| 4950 | component src_compref = tc->comp_ref; |
| 4951 | char *src_port = text_buf.pull_string(); |
| 4952 | component dst_compref = text_buf.pull_int().get_val(); |
| 4953 | char *dst_port = text_buf.pull_string(); |
| 4954 | |
| 4955 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 4956 | dst_port); |
| 4957 | if (conn != NULL) { |
| 4958 | // this message must arrive in the right state |
| 4959 | // and from the server side (head) |
| 4960 | if (conn->conn_state == CONN_CONNECTING && |
| 4961 | conn->head.comp_ref == src_compref && |
| 4962 | !strcmp(conn->head.port_name, src_port)) { |
| 4963 | send_connect_ack_to_requestors(conn); |
| 4964 | conn->conn_state = CONN_CONNECTED; |
| 4965 | status_change(); |
| 4966 | } else { |
| 4967 | send_error(tc->tc_fd, "Unexpected CONNECTED message was " |
| 4968 | "received for port connection %d:%s - %d:%s.", |
| 4969 | src_compref, src_port, dst_compref, dst_port); |
| 4970 | } |
| 4971 | } |
| 4972 | // do nothing if the connection does not exist anymore |
| 4973 | |
| 4974 | delete [] src_port; |
| 4975 | delete [] dst_port; |
| 4976 | } |
| 4977 | |
| 4978 | void MainController::process_connect_error(component_struct *tc) |
| 4979 | { |
| 4980 | if (!message_expected(tc, "CONNECT_ERROR")) return; |
| 4981 | |
| 4982 | Text_Buf& text_buf = *tc->text_buf; |
| 4983 | component src_compref = tc->comp_ref; |
| 4984 | char *src_port = text_buf.pull_string(); |
| 4985 | component dst_compref = text_buf.pull_int().get_val(); |
| 4986 | char *dst_port = text_buf.pull_string(); |
| 4987 | char *reason = text_buf.pull_string(); |
| 4988 | |
| 4989 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 4990 | dst_port); |
| 4991 | if (conn != NULL) { |
| 4992 | switch (conn->conn_state) { |
| 4993 | case CONN_CONNECTING: |
| 4994 | // in this state both endpoints can report error |
| 4995 | if (conn->transport_type != TRANSPORT_LOCAL && |
| 4996 | conn->tail.comp_ref == src_compref && |
| 4997 | !strcmp(conn->tail.port_name, src_port)) { |
| 4998 | // shut down the server side (head) only if the error was reported |
| 4999 | // by the client side (tail) |
| 5000 | send_disconnect_to_server(conn); |
| 5001 | } |
| 5002 | break; |
| 5003 | case CONN_LISTENING: |
| 5004 | // in this state only the server side (head) can report the error |
| 5005 | if (conn->head.comp_ref == src_compref && |
| 5006 | !strcmp(conn->head.port_name, src_port)) break; |
| 5007 | default: |
| 5008 | send_error(tc->tc_fd, "Unexpected message CONNECT_ERROR was " |
| 5009 | "received for port connection %d:%s - %d:%s.", |
| 5010 | src_compref, src_port, dst_compref, dst_port); |
| 5011 | delete [] src_port; |
| 5012 | delete [] dst_port; |
| 5013 | delete [] reason; |
| 5014 | return; |
| 5015 | } |
| 5016 | send_error_to_connect_requestors(conn, "test component %d reported " |
| 5017 | "error: %s", src_compref, reason); |
| 5018 | remove_connection(conn); |
| 5019 | status_change(); |
| 5020 | } |
| 5021 | // do nothing if the connection does not exist anymore |
| 5022 | |
| 5023 | delete [] src_port; |
| 5024 | delete [] dst_port; |
| 5025 | delete [] reason; |
| 5026 | } |
| 5027 | |
| 5028 | void MainController::process_disconnect_req(component_struct *tc) |
| 5029 | { |
| 5030 | if (!request_allowed(tc, "DISCONNECT_REQ")) return; |
| 5031 | |
| 5032 | Text_Buf& text_buf = *tc->text_buf; |
| 5033 | component src_compref = text_buf.pull_int().get_val(); |
| 5034 | char *src_port = text_buf.pull_string(); |
| 5035 | component dst_compref = text_buf.pull_int().get_val(); |
| 5036 | char *dst_port = text_buf.pull_string(); |
| 5037 | |
| 5038 | if (!valid_endpoint(src_compref, FALSE, tc, "disconnect") || |
| 5039 | !valid_endpoint(dst_compref, FALSE, tc, "disconnect")) { |
| 5040 | delete [] src_port; |
| 5041 | delete [] dst_port; |
| 5042 | return; |
| 5043 | } |
| 5044 | |
| 5045 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 5046 | dst_port); |
| 5047 | if (conn != NULL) { |
| 5048 | switch (conn->conn_state) { |
| 5049 | case CONN_LISTENING: |
| 5050 | case CONN_CONNECTING: |
| 5051 | send_error(tc->tc_fd, "The port connection %d:%s - %d:%s cannot " |
| 5052 | "be destroyed because a connect operation is in progress " |
| 5053 | "on it.", src_compref, src_port, dst_compref, dst_port); |
| 5054 | break; |
| 5055 | case CONN_CONNECTED: |
| 5056 | send_disconnect(components[conn->tail.comp_ref], |
| 5057 | conn->tail.port_name, conn->head.comp_ref, |
| 5058 | conn->head.port_name); |
| 5059 | conn->conn_state = CONN_DISCONNECTING; |
| 5060 | // no break |
| 5061 | case CONN_DISCONNECTING: |
| 5062 | add_requestor(&conn->requestors, tc); |
| 5063 | tc->tc_state = TC_DISCONNECT; |
| 5064 | status_change(); |
| 5065 | break; |
| 5066 | default: |
| 5067 | send_error(tc->tc_fd, "The port connection %d:%s - %d:%s cannot " |
| 5068 | "be destroyed due to an internal error in the MC.", |
| 5069 | src_compref, src_port, dst_compref, dst_port); |
| 5070 | error("The port connection %d:%s - %d:%s is in invalid state when " |
| 5071 | "a disconnect operation was requested on it.", src_compref, |
| 5072 | src_port, dst_compref, dst_port); |
| 5073 | } |
| 5074 | } else { |
| 5075 | // the connection is already terminated |
| 5076 | // send the acknowledgement immediately |
| 5077 | send_disconnect_ack(tc); |
| 5078 | } |
| 5079 | |
| 5080 | delete [] src_port; |
| 5081 | delete [] dst_port; |
| 5082 | } |
| 5083 | |
| 5084 | void MainController::process_disconnected(component_struct *tc) |
| 5085 | { |
| 5086 | if (!message_expected(tc, "DISCONNECTED")) return; |
| 5087 | |
| 5088 | Text_Buf& text_buf = *tc->text_buf; |
| 5089 | component src_compref = tc->comp_ref; |
| 5090 | char *src_port = text_buf.pull_string(); |
| 5091 | component dst_compref = text_buf.pull_int().get_val(); |
| 5092 | char *dst_port = text_buf.pull_string(); |
| 5093 | |
| 5094 | port_connection *conn = find_connection(src_compref, src_port, dst_compref, |
| 5095 | dst_port); |
| 5096 | if (conn != NULL) { |
| 5097 | switch (conn->conn_state) { |
| 5098 | case CONN_LISTENING: |
| 5099 | // in this state only the server side (head) can report the end of |
| 5100 | // the connection |
| 5101 | if (conn->head.comp_ref != src_compref || |
| 5102 | strcmp(conn->head.port_name, src_port)) { |
| 5103 | send_error(tc->tc_fd, "Unexpected message DISCONNECTED was " |
| 5104 | "received for port connection %d:%s - %d:%s.", |
| 5105 | src_compref, src_port, dst_compref, dst_port); |
| 5106 | break; |
| 5107 | } |
| 5108 | // no break |
| 5109 | case CONN_CONNECTING: |
| 5110 | // in this state both ends can report the end of the connection |
| 5111 | send_error_to_connect_requestors(conn, "test component %d " |
| 5112 | "reported end of the connection during connection setup.", |
| 5113 | src_compref); |
| 5114 | remove_connection(conn); |
| 5115 | status_change(); |
| 5116 | break; |
| 5117 | case CONN_CONNECTED: |
| 5118 | remove_connection(conn); |
| 5119 | status_change(); |
| 5120 | break; |
| 5121 | case CONN_DISCONNECTING: |
| 5122 | send_disconnect_ack_to_requestors(conn); |
| 5123 | remove_connection(conn); |
| 5124 | status_change(); |
| 5125 | break; |
| 5126 | default: |
| 5127 | error("The port connection %d:%s - %d:%s is in invalid state when " |
| 5128 | "MC was notified about its termination.", src_compref, src_port, |
| 5129 | dst_compref, dst_port); |
| 5130 | } |
| 5131 | } |
| 5132 | |
| 5133 | delete [] src_port; |
| 5134 | delete [] dst_port; |
| 5135 | status_change(); |
| 5136 | } |
| 5137 | |
| 5138 | void MainController::process_map_req(component_struct *tc) |
| 5139 | { |
| 5140 | if (!request_allowed(tc, "MAP_REQ")) return; |
| 5141 | |
| 5142 | Text_Buf& text_buf = *tc->text_buf; |
| 5143 | component src_compref = text_buf.pull_int().get_val(); |
| 5144 | char *src_port = text_buf.pull_string(); |
| 5145 | char *system_port = text_buf.pull_string(); |
| 5146 | |
| 5147 | if (!valid_endpoint(src_compref, TRUE, tc, "map")) { |
| 5148 | delete [] src_port; |
| 5149 | delete [] system_port; |
| 5150 | return; |
| 5151 | } |
| 5152 | |
| 5153 | port_connection *conn = find_connection(src_compref, src_port, |
| 5154 | SYSTEM_COMPREF, system_port); |
| 5155 | if (conn == NULL) { |
| 5156 | send_map(components[src_compref], src_port, system_port); |
| 5157 | conn = new port_connection; |
| 5158 | conn->head.comp_ref = src_compref; |
| 5159 | conn->head.port_name = src_port; |
| 5160 | conn->tail.comp_ref = SYSTEM_COMPREF; |
| 5161 | conn->tail.port_name = system_port; |
| 5162 | conn->conn_state = CONN_MAPPING; |
| 5163 | init_requestors(&conn->requestors, tc); |
| 5164 | add_connection(conn); |
| 5165 | tc->tc_state = TC_MAP; |
| 5166 | status_change(); |
| 5167 | } else { |
| 5168 | switch (conn->conn_state) { |
| 5169 | case CONN_MAPPING: |
| 5170 | add_requestor(&conn->requestors, tc); |
| 5171 | tc->tc_state = TC_MAP; |
| 5172 | status_change(); |
| 5173 | break; |
| 5174 | case CONN_MAPPED: |
| 5175 | send_map_ack(tc); |
| 5176 | break; |
| 5177 | case CONN_UNMAPPING: |
| 5178 | send_error(tc->tc_fd, "The port mapping %d:%s - system:%s cannot " |
| 5179 | "be established because an unmap operation is in progress " |
| 5180 | "on it.", src_compref, src_port, system_port); |
| 5181 | break; |
| 5182 | default: |
| 5183 | send_error(tc->tc_fd, "The port mapping %d:%s - system:%s is in " |
| 5184 | "invalid state.", src_compref, src_port, system_port); |
| 5185 | } |
| 5186 | delete [] src_port; |
| 5187 | delete [] system_port; |
| 5188 | } |
| 5189 | } |
| 5190 | |
| 5191 | void MainController::process_mapped(component_struct *tc) |
| 5192 | { |
| 5193 | if (!message_expected(tc, "MAPPED")) return; |
| 5194 | |
| 5195 | Text_Buf& text_buf = *tc->text_buf; |
| 5196 | component src_compref = tc->comp_ref; |
| 5197 | char *src_port = text_buf.pull_string(); |
| 5198 | char *system_port = text_buf.pull_string(); |
| 5199 | |
| 5200 | port_connection *conn = find_connection(src_compref, src_port, |
| 5201 | SYSTEM_COMPREF, system_port); |
| 5202 | if (conn == NULL) { |
| 5203 | send_error(tc->tc_fd, "The MAPPED message refers to a " |
| 5204 | "non-existent port mapping %d:%s - system:%s.", |
| 5205 | src_compref, src_port, system_port); |
| 5206 | } else if (conn->conn_state != CONN_MAPPING) { |
| 5207 | send_error(tc->tc_fd, "Unexpected MAPPED message was " |
| 5208 | "received for port mapping %d:%s - system:%s.", |
| 5209 | src_compref, src_port, system_port); |
| 5210 | } else { |
| 5211 | for (int i = 0; ; i++) { |
| 5212 | component_struct *comp = get_requestor(&conn->requestors, i); |
| 5213 | if (comp == NULL) break; |
| 5214 | if (comp->tc_state == TC_MAP) { |
| 5215 | send_map_ack(comp); |
| 5216 | if (comp == mtc) comp->tc_state = MTC_TESTCASE; |
| 5217 | else comp->tc_state = PTC_FUNCTION; |
| 5218 | } |
| 5219 | } |
| 5220 | free_requestors(&conn->requestors); |
| 5221 | conn->conn_state = CONN_MAPPED; |
| 5222 | status_change(); |
| 5223 | } |
| 5224 | |
| 5225 | delete [] src_port; |
| 5226 | delete [] system_port; |
| 5227 | } |
| 5228 | |
| 5229 | void MainController::process_unmap_req(component_struct *tc) |
| 5230 | { |
| 5231 | if (!request_allowed(tc, "UNMAP_REQ")) return; |
| 5232 | |
| 5233 | Text_Buf& text_buf = *tc->text_buf; |
| 5234 | component src_compref = text_buf.pull_int().get_val(); |
| 5235 | char *src_port = text_buf.pull_string(); |
| 5236 | char *system_port = text_buf.pull_string(); |
| 5237 | |
| 5238 | if (!valid_endpoint(src_compref, FALSE, tc, "unmap")) { |
| 5239 | delete [] src_port; |
| 5240 | delete [] system_port; |
| 5241 | return; |
| 5242 | } |
| 5243 | |
| 5244 | port_connection *conn = find_connection(src_compref, src_port, |
| 5245 | SYSTEM_COMPREF, system_port); |
| 5246 | if (conn == NULL) { |
| 5247 | send_unmap_ack(tc); |
| 5248 | } else { |
| 5249 | switch (conn->conn_state) { |
| 5250 | case CONN_MAPPED: |
| 5251 | send_unmap(components[src_compref], src_port, system_port); |
| 5252 | conn->conn_state = CONN_UNMAPPING; |
| 5253 | case CONN_UNMAPPING: |
| 5254 | add_requestor(&conn->requestors, tc); |
| 5255 | tc->tc_state = TC_UNMAP; |
| 5256 | status_change(); |
| 5257 | break; |
| 5258 | case CONN_MAPPING: |
| 5259 | send_error(tc->tc_fd, "The port mapping %d:%s - system:%s cannot " |
| 5260 | "be destroyed because a map operation is in progress " |
| 5261 | "on it.", src_compref, src_port, system_port); |
| 5262 | break; |
| 5263 | default: |
| 5264 | send_error(tc->tc_fd, "The port mapping %d:%s - system:%s is in " |
| 5265 | "invalid state.", src_compref, src_port, system_port); |
| 5266 | } |
| 5267 | } |
| 5268 | |
| 5269 | delete [] src_port; |
| 5270 | delete [] system_port; |
| 5271 | } |
| 5272 | |
| 5273 | void MainController::process_unmapped(component_struct *tc) |
| 5274 | { |
| 5275 | if (!message_expected(tc, "UNMAPPED")) return; |
| 5276 | |
| 5277 | Text_Buf& text_buf = *tc->text_buf; |
| 5278 | component src_compref = tc->comp_ref; |
| 5279 | char *src_port = text_buf.pull_string(); |
| 5280 | char *system_port = text_buf.pull_string(); |
| 5281 | |
| 5282 | port_connection *conn = find_connection(src_compref, src_port, |
| 5283 | SYSTEM_COMPREF, system_port); |
| 5284 | if (conn != NULL) { |
| 5285 | switch (conn->conn_state) { |
| 5286 | case CONN_MAPPING: |
| 5287 | case CONN_MAPPED: |
| 5288 | case CONN_UNMAPPING: |
| 5289 | destroy_mapping(conn); |
| 5290 | break; |
| 5291 | default: |
| 5292 | send_error(tc->tc_fd, "Unexpected UNMAPPED message was " |
| 5293 | "received for port mapping %d:%s - system:%s.", |
| 5294 | src_compref, src_port, system_port); |
| 5295 | } |
| 5296 | } |
| 5297 | |
| 5298 | delete [] src_port; |
| 5299 | delete [] system_port; |
| 5300 | status_change(); |
| 5301 | } |
| 5302 | |
| 5303 | void MainController::process_testcase_started() |
| 5304 | { |
| 5305 | if (mc_state != MC_EXECUTING_CONTROL) { |
| 5306 | send_error_str(mtc->tc_fd, "Unexpected message TESTCASE_STARTED " |
| 5307 | "was received."); |
| 5308 | return; |
| 5309 | } |
| 5310 | |
| 5311 | Text_Buf& text_buf = *mtc->text_buf; |
| 5312 | text_buf.pull_qualified_name(mtc->tc_fn_name); |
| 5313 | text_buf.pull_qualified_name(mtc->comp_type); |
| 5314 | text_buf.pull_qualified_name(system->comp_type); |
| 5315 | |
| 5316 | mtc->tc_state = MTC_TESTCASE; |
| 5317 | mc_state = MC_EXECUTING_TESTCASE; |
| 5318 | tc_first_comp_ref = next_comp_ref; |
| 5319 | any_component_done_requested = FALSE; |
| 5320 | any_component_done_sent = FALSE; |
| 5321 | all_component_done_requested = FALSE; |
| 5322 | any_component_killed_requested = FALSE; |
| 5323 | all_component_killed_requested = FALSE; |
| 5324 | |
| 5325 | status_change(); |
| 5326 | } |
| 5327 | |
| 5328 | void MainController::process_testcase_finished() |
| 5329 | { |
| 5330 | if (mc_state != MC_EXECUTING_TESTCASE) { |
| 5331 | send_error_str(mtc->tc_fd, "Unexpected message TESTCASE_FINISHED " |
| 5332 | "was received."); |
| 5333 | return; |
| 5334 | } |
| 5335 | |
| 5336 | boolean ready_to_finish = kill_all_components(TRUE); |
| 5337 | |
| 5338 | mc_state = MC_TERMINATING_TESTCASE; |
| 5339 | mtc->tc_state = MTC_TERMINATING_TESTCASE; |
| 5340 | mtc->local_verdict = (verdicttype)mtc->text_buf->pull_int().get_val(); |
| 5341 | mtc->verdict_reason = mtc->text_buf->pull_string(); |
| 5342 | mtc->stop_requested = FALSE; |
| 5343 | if (mtc->kill_timer != NULL) { |
| 5344 | cancel_timer(mtc->kill_timer); |
| 5345 | mtc->kill_timer = NULL; |
| 5346 | } |
| 5347 | any_component_done_requested = FALSE; |
| 5348 | any_component_done_sent = FALSE; |
| 5349 | all_component_done_requested = FALSE; |
| 5350 | any_component_killed_requested = FALSE; |
| 5351 | all_component_killed_requested = FALSE; |
| 5352 | |
| 5353 | if (ready_to_finish) finish_testcase(); |
| 5354 | |
| 5355 | status_change(); |
| 5356 | } |
| 5357 | |
| 5358 | void MainController::process_mtc_ready() |
| 5359 | { |
| 5360 | if (mc_state != MC_EXECUTING_CONTROL || mtc->tc_state != MTC_CONTROLPART) { |
| 5361 | send_error_str(mtc->tc_fd, "Unexpected message MTC_READY was " |
| 5362 | "received."); |
| 5363 | return; |
| 5364 | } |
| 5365 | mc_state = MC_READY; |
| 5366 | mtc->tc_state = TC_IDLE; |
| 5367 | mtc->stop_requested = FALSE; |
| 5368 | if (mtc->kill_timer != NULL) { |
| 5369 | cancel_timer(mtc->kill_timer); |
| 5370 | mtc->kill_timer = NULL; |
| 5371 | } |
| 5372 | stop_requested = FALSE; |
| 5373 | notify("Test execution finished."); |
| 5374 | status_change(); |
| 5375 | } |
| 5376 | |
| 5377 | void MainController::process_stopped(component_struct *tc, int message_end) |
| 5378 | { |
| 5379 | switch (tc->tc_state) { |
| 5380 | case TC_STOPPING: |
| 5381 | case PTC_FUNCTION: |
| 5382 | case PTC_STOPPING_KILLING: |
| 5383 | // only alive PTCs are allowed to send STOPPED |
| 5384 | if (tc->is_alive) break; |
| 5385 | default: |
| 5386 | send_error_str(tc->tc_fd, "Unexpected message STOPPED was received."); |
| 5387 | return; |
| 5388 | } |
| 5389 | Text_Buf& text_buf = *tc->text_buf; |
| 5390 | delete [] tc->return_type; |
| 5391 | tc->return_type = text_buf.pull_string(); |
| 5392 | tc->return_value_len = message_end - text_buf.get_pos(); |
| 5393 | Free(tc->return_value); |
| 5394 | tc->return_value = Malloc(tc->return_value_len); |
| 5395 | text_buf.pull_raw(tc->return_value_len, tc->return_value); |
| 5396 | free_qualified_name(&tc->tc_fn_name); |
| 5397 | component_stopped(tc); |
| 5398 | status_change(); |
| 5399 | } |
| 5400 | |
| 5401 | void MainController::process_stopped_killed(component_struct *tc, |
| 5402 | int message_end) |
| 5403 | { |
| 5404 | switch (tc->tc_state) { |
| 5405 | case TC_CREATE: |
| 5406 | case TC_START: |
| 5407 | case TC_STOP: |
| 5408 | case TC_KILL: |
| 5409 | case TC_CONNECT: |
| 5410 | case TC_DISCONNECT: |
| 5411 | case TC_MAP: |
| 5412 | case TC_UNMAP: |
| 5413 | case TC_STOPPING: |
| 5414 | case PTC_FUNCTION: |
| 5415 | case PTC_STOPPING_KILLING: |
| 5416 | break; |
| 5417 | default: |
| 5418 | send_error_str(tc->tc_fd, "Unexpected message STOPPED_KILLED was " |
| 5419 | "received."); |
| 5420 | // also notify the user because the above message may get lost |
| 5421 | notify("Unexpected message STOPPED_KILLED was received from PTC %d.", |
| 5422 | tc->comp_ref); |
| 5423 | return; |
| 5424 | } |
| 5425 | Text_Buf& text_buf = *tc->text_buf; |
| 5426 | tc->local_verdict = (verdicttype)text_buf.pull_int().get_val(); |
| 5427 | tc->verdict_reason = text_buf.pull_string(); |
| 5428 | tc->return_type = text_buf.pull_string(); |
| 5429 | tc->return_value_len = message_end - text_buf.get_pos(); |
| 5430 | tc->return_value = Malloc(tc->return_value_len); |
| 5431 | text_buf.pull_raw(tc->return_value_len, tc->return_value); |
| 5432 | // start a guard timer to detect whether the control connection is closed |
| 5433 | // in time |
| 5434 | if (tc->tc_state != PTC_STOPPING_KILLING) start_kill_timer(tc); |
| 5435 | component_terminated(tc); |
| 5436 | status_change(); |
| 5437 | } |
| 5438 | |
| 5439 | void MainController::process_killed(component_struct *tc) |
| 5440 | { |
| 5441 | switch (tc->tc_state) { |
| 5442 | case TC_IDLE: |
| 5443 | case PTC_STOPPED: |
| 5444 | case PTC_KILLING: |
| 5445 | break; |
| 5446 | default: |
| 5447 | send_error_str(tc->tc_fd, "Unexpected message KILLED was received."); |
| 5448 | // also notify the user because the above message may get lost |
| 5449 | notify("Unexpected message KILLED was received from PTC %d.", |
| 5450 | tc->comp_ref); |
| 5451 | return; |
| 5452 | } |
| 5453 | tc->local_verdict = (verdicttype)tc->text_buf->pull_int().get_val(); |
| 5454 | tc->verdict_reason = tc->text_buf->pull_string(); |
| 5455 | // start a guard timer to detect whether the control connection is closed |
| 5456 | // in time |
| 5457 | if (tc->tc_state != PTC_KILLING) start_kill_timer(tc); |
| 5458 | component_terminated(tc); |
| 5459 | status_change(); |
| 5460 | } |
| 5461 | |
| 5462 | void MainController::initialize(UserInterface& par_ui, int par_max_ptcs) |
| 5463 | { |
| 5464 | ui = &par_ui; |
| 5465 | |
| 5466 | max_ptcs = par_max_ptcs; |
| 5467 | |
| 5468 | mc_state = MC_INACTIVE; |
| 5469 | |
| 5470 | struct utsname buf; |
| 5471 | if (uname(&buf) < 0) fatal_error("MainController::initialize: " |
| 5472 | "uname() system call failed."); |
| 5473 | mc_hostname = mprintf("MC@%s", buf.nodename); |
| 5474 | |
| 5475 | server_fd = -1; |
| 5476 | |
| 5477 | if (pthread_mutex_init(&mutex, NULL)) |
| 5478 | fatal_error("MainController::initialize: pthread_mutex_init failed."); |
| 5479 | |
| 5480 | #ifdef USE_EPOLL |
| 5481 | epoll_events = NULL; |
| 5482 | epfd = -1; |
| 5483 | #else |
| 5484 | nfds = 0; |
| 5485 | ufds = NULL; |
| 5486 | new_nfds = 0; |
| 5487 | new_ufds = NULL; |
| 5488 | pollfds_modified = FALSE; |
| 5489 | #endif |
| 5490 | |
| 5491 | fd_table_size = 0; |
| 5492 | fd_table = NULL; |
| 5493 | |
| 5494 | unknown_head = NULL; |
| 5495 | unknown_tail = NULL; |
| 5496 | |
| 5497 | n_host_groups = 0; |
| 5498 | host_groups = NULL; |
| 5499 | init_string_set(&assigned_components); |
| 5500 | all_components_assigned = FALSE; |
| 5501 | |
| 5502 | n_hosts = 0; |
| 5503 | hosts = NULL; |
| 5504 | config_str = NULL; |
| 5505 | |
| 5506 | version_known = FALSE; |
| 5507 | n_modules = 0; |
| 5508 | modules = NULL; |
| 5509 | |
| 5510 | n_components = 0; |
| 5511 | n_active_ptcs = 0; |
| 5512 | components = NULL; |
| 5513 | mtc = NULL; |
| 5514 | system = NULL; |
| 5515 | next_comp_ref = FIRST_PTC_COMPREF; |
| 5516 | |
| 5517 | stop_after_tc = FALSE; |
| 5518 | stop_requested = FALSE; |
| 5519 | |
| 5520 | kill_timer = 10.0; |
| 5521 | |
| 5522 | timer_head = NULL; |
| 5523 | timer_tail = NULL; |
| 5524 | |
| 5525 | pipe_fd[0] = -1; |
| 5526 | pipe_fd[1] = -1; |
| 5527 | wakeup_reason = REASON_NOTHING; |
| 5528 | |
| 5529 | register_termination_handlers(); |
| 5530 | } |
| 5531 | |
| 5532 | void MainController::terminate() |
| 5533 | { |
| 5534 | clean_up(); |
| 5535 | destroy_host_groups(); |
| 5536 | Free(mc_hostname); |
| 5537 | pthread_mutex_destroy(&mutex); |
| 5538 | } |
| 5539 | |
| 5540 | void MainController::add_host(const char *group_name, const char *host_name) |
| 5541 | { |
| 5542 | lock(); |
| 5543 | if (mc_state != MC_INACTIVE) { |
| 5544 | error("MainController::add_host: called in wrong state."); |
| 5545 | unlock(); |
| 5546 | return; |
| 5547 | } |
| 5548 | host_group_struct *group = add_host_group(group_name); |
| 5549 | if (host_name != NULL) { |
| 5550 | if (group->has_all_hosts) error("Redundant member `%s' was ignored in " |
| 5551 | "host group `%s'. All hosts (`*') are already the members of the " |
| 5552 | "group.", host_name, group_name); |
| 5553 | else { |
| 5554 | if (set_has_string(&group->host_members, host_name)) { |
| 5555 | error("Duplicate member `%s' was ignored in host group " |
| 5556 | "`%s'.", host_name, group_name); |
| 5557 | } else add_string_to_set(&group->host_members, host_name); |
| 5558 | } |
| 5559 | } else { |
| 5560 | if (group->has_all_hosts) error("Duplicate member `*' was ignored in " |
| 5561 | "host group `%s'.", group_name); |
| 5562 | else { |
| 5563 | for (int i = 0; ; i++) { |
| 5564 | const char *group_member = |
| 5565 | get_string_from_set(&group->host_members, i); |
| 5566 | if (group_member == NULL) break; |
| 5567 | error("Redundant member `%s' was ignored in host group `%s'. " |
| 5568 | "All hosts (`*') are already the members of the group.", |
| 5569 | group_member, group_name); |
| 5570 | } |
| 5571 | free_string_set(&group->host_members); |
| 5572 | group->has_all_hosts = TRUE; |
| 5573 | } |
| 5574 | } |
| 5575 | unlock(); |
| 5576 | } |
| 5577 | |
| 5578 | void MainController::assign_component(const char *host_or_group, |
| 5579 | const char *component_id) |
| 5580 | { |
| 5581 | lock(); |
| 5582 | if (mc_state != MC_INACTIVE) { |
| 5583 | error("MainController::assign_component: called in wrong state."); |
| 5584 | unlock(); |
| 5585 | return; |
| 5586 | } |
| 5587 | host_group_struct *group = add_host_group(host_or_group); |
| 5588 | if (component_id == NULL) { |
| 5589 | if (all_components_assigned) { |
| 5590 | for (int i = 0; i < n_host_groups; i++) { |
| 5591 | if (host_groups[i].has_all_components) { |
| 5592 | error("Duplicate assignment of all components (*) to host " |
| 5593 | "group `%s'. Previous assignment to group `%s' is " |
| 5594 | "ignored.", host_or_group, host_groups[i].group_name); |
| 5595 | host_groups[i].has_all_components = FALSE; |
| 5596 | } |
| 5597 | } |
| 5598 | } else all_components_assigned = TRUE; |
| 5599 | group->has_all_components = TRUE; |
| 5600 | } else { |
| 5601 | if (set_has_string(&assigned_components, component_id)) { |
| 5602 | for (int i = 0; i < n_host_groups; i++) { |
| 5603 | if (set_has_string(&host_groups[i].assigned_components, |
| 5604 | component_id)) { |
| 5605 | error("Duplicate assignment of component `%s' to host " |
| 5606 | "group `%s'. Previous assignment to group `%s' is " |
| 5607 | "ignored.", component_id, host_or_group, |
| 5608 | host_groups[i].group_name); |
| 5609 | remove_string_from_set(&host_groups[i].assigned_components, |
| 5610 | component_id); |
| 5611 | } |
| 5612 | } |
| 5613 | } else add_string_to_set(&assigned_components, component_id); |
| 5614 | add_string_to_set(&group->assigned_components, component_id); |
| 5615 | } |
| 5616 | unlock(); |
| 5617 | } |
| 5618 | |
| 5619 | void MainController::destroy_host_groups() |
| 5620 | { |
| 5621 | lock(); |
| 5622 | if (mc_state != MC_INACTIVE) |
| 5623 | error("MainController::destroy_host_groups: called in wrong state."); |
| 5624 | else { |
| 5625 | for (int i = 0; i < n_host_groups; i++) { |
| 5626 | host_group_struct *group = host_groups + i; |
| 5627 | Free(group->group_name); |
| 5628 | free_string_set(&group->host_members); |
| 5629 | free_string_set(&group->assigned_components); |
| 5630 | } |
| 5631 | Free(host_groups); |
| 5632 | n_host_groups = 0; |
| 5633 | host_groups = NULL; |
| 5634 | free_string_set(&assigned_components); |
| 5635 | all_components_assigned = FALSE; |
| 5636 | } |
| 5637 | unlock(); |
| 5638 | } |
| 5639 | |
| 5640 | void MainController::set_kill_timer(double timer_val) |
| 5641 | { |
| 5642 | lock(); |
| 5643 | if (mc_state != MC_INACTIVE) |
| 5644 | error("MainController::set_kill_timer: called in wrong state."); |
| 5645 | else if (timer_val < 0.0) |
| 5646 | error("MainController::set_kill_timer: setting a negative kill timer " |
| 5647 | "value."); |
| 5648 | else kill_timer = timer_val; |
| 5649 | unlock(); |
| 5650 | } |
| 5651 | |
| 5652 | unsigned short MainController::start_session(const char *local_address, |
| 5653 | unsigned short tcp_port, bool unix_sockets_enabled) |
| 5654 | { |
| 5655 | lock(); |
| 5656 | |
| 5657 | if (mc_state != MC_INACTIVE) { |
| 5658 | error("MainController::start_session: called in wrong state."); |
| 5659 | unlock(); |
| 5660 | return 0; |
| 5661 | } |
| 5662 | |
| 5663 | #ifdef USE_EPOLL |
| 5664 | epoll_events = (epoll_event *)Malloc(EPOLL_MAX_EVENTS * sizeof(*epoll_events)); |
| 5665 | epfd = epoll_create(EPOLL_SIZE_HINT); |
| 5666 | if (epfd < 0) { |
| 5667 | error("System call epoll_create failed: %s", strerror(errno)); |
| 5668 | clean_up(); |
| 5669 | unlock(); |
| 5670 | return 0; |
| 5671 | } |
| 5672 | set_close_on_exec(epfd); |
| 5673 | #endif //USE_EPOLL |
| 5674 | |
| 5675 | nh.set_family(local_address); |
| 5676 | server_fd = nh.socket(); |
| 5677 | if (server_fd < 0) { |
| 5678 | error("Server socket creation failed: %s", strerror(errno)); |
| 5679 | clean_up(); |
| 5680 | unlock(); |
| 5681 | return 0; |
| 5682 | } |
| 5683 | |
| 5684 | const int on = 1; |
| 5685 | if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, |
| 5686 | sizeof(on))) { |
| 5687 | error("System call setsockopt (SO_REUSEADDR) failed on server socket: " |
| 5688 | "%s", strerror(errno)); |
| 5689 | clean_up(); |
| 5690 | unlock(); |
| 5691 | return 0; |
| 5692 | } |
| 5693 | |
| 5694 | if (setsockopt(server_fd, IPPROTO_TCP, TCP_NODELAY, (const char*)&on, |
| 5695 | sizeof(on))) { |
| 5696 | error("System call setsockopt (TCP_NODELAY) failed on server socket: " |
| 5697 | "%s", strerror(errno)); |
| 5698 | clean_up(); |
| 5699 | unlock(); |
| 5700 | return 0; |
| 5701 | } |
| 5702 | |
| 5703 | IPAddress *localaddr = IPAddress::create_addr(nh.get_family()); |
| 5704 | if (localaddr) localaddr->set_port(tcp_port); |
| 5705 | |
| 5706 | if (local_address != NULL) { |
| 5707 | if (!localaddr || !localaddr->set_addr(local_address, tcp_port)) { |
| 5708 | error("Cannot resolve host name `%s' to a local IP address: " |
| 5709 | "Host name lookup failure", local_address); |
| 5710 | clean_up(); |
| 5711 | unlock(); |
| 5712 | delete localaddr; |
| 5713 | return 0; |
| 5714 | } |
| 5715 | } |
| 5716 | |
| 5717 | if (bind(server_fd, localaddr->get_addr(), localaddr->get_addr_len())) { |
| 5718 | if (local_address != NULL) { |
| 5719 | if (tcp_port != 0) error("Binding server socket to IP address " |
| 5720 | "%s and TCP port %d failed: %s", localaddr->get_addr_str(), |
| 5721 | tcp_port, strerror(errno)); |
| 5722 | else error("Binding server socket to IP address %s failed: %s", |
| 5723 | localaddr->get_addr_str(), strerror(errno)); |
| 5724 | } else { |
| 5725 | if (tcp_port != 0) error("Binding server socket to TCP port %d " |
| 5726 | "failed: %s", tcp_port, strerror(errno)); |
| 5727 | else error("Binding server socket to an ephemeral TCP port " |
| 5728 | "failed: %s", strerror(errno)); |
| 5729 | } |
| 5730 | clean_up(); |
| 5731 | unlock(); |
| 5732 | delete localaddr; |
| 5733 | return 0; |
| 5734 | } |
| 5735 | |
| 5736 | if (listen(server_fd, 10)) { |
| 5737 | if (local_address != NULL) { |
| 5738 | if (tcp_port != 0) error("Listening on IP address %s and TCP port " |
| 5739 | "%d failed: %s", localaddr->get_addr_str(), tcp_port, |
| 5740 | strerror(errno)); |
| 5741 | else error("Listening on IP address %s failed: %s", |
| 5742 | localaddr->get_addr_str(), strerror(errno)); |
| 5743 | } else { |
| 5744 | if (tcp_port != 0) error("Listening on TCP port %d failed: %s", |
| 5745 | tcp_port, strerror(errno)); |
| 5746 | else error("Listening on an ephemeral TCP port failed: %s", |
| 5747 | strerror(errno)); |
| 5748 | } |
| 5749 | clean_up(); |
| 5750 | unlock(); |
| 5751 | delete localaddr; |
| 5752 | return 0; |
| 5753 | } |
| 5754 | |
| 5755 | if (localaddr->getsockname(server_fd)) { |
| 5756 | error("System call getsockname() failed on server socket: %s", |
| 5757 | strerror(errno)); |
| 5758 | clean_up(); |
| 5759 | unlock(); |
| 5760 | delete localaddr; |
| 5761 | return 0; |
| 5762 | } |
| 5763 | tcp_port = localaddr->get_port(); |
| 5764 | |
| 5765 | set_close_on_exec(server_fd); |
| 5766 | |
| 5767 | // Trying to open a unix socket for local communication |
| 5768 | if (unix_sockets_enabled) { |
| 5769 | |
| 5770 | server_fd_unix = socket(PF_UNIX, SOCK_STREAM, 0); |
| 5771 | if (server_fd_unix < 0) { |
| 5772 | notify("Unix server socket creation failed: %s", strerror(errno)); |
| 5773 | errno = 0; |
| 5774 | goto unix_end; |
| 5775 | } |
| 5776 | |
| 5777 | struct sockaddr_un localaddr_unix; |
| 5778 | memset(&localaddr_unix, 0, sizeof(localaddr_unix)); |
| 5779 | localaddr_unix.sun_family = AF_UNIX; |
| 5780 | snprintf(localaddr_unix.sun_path, sizeof(localaddr_unix.sun_path), |
| 5781 | "/tmp/ttcn3-mctr-%u", tcp_port); |
| 5782 | if (unlink(localaddr_unix.sun_path)) |
| 5783 | errno = 0; // silently ignore, error handling below |
| 5784 | |
| 5785 | if (bind(server_fd_unix, (struct sockaddr *)&localaddr_unix, |
| 5786 | sizeof(localaddr_unix)) != 0) { |
| 5787 | if (errno == EADDRINUSE) { |
| 5788 | // the temporary file name is already used by someone else |
| 5789 | close(server_fd_unix); |
| 5790 | notify("Could not create Unix server socket: '%s' is already existed " |
| 5791 | "and cannot be removed.", localaddr_unix.sun_path); |
| 5792 | errno = 0; |
| 5793 | goto unix_end; |
| 5794 | } else { |
| 5795 | close(server_fd_unix); |
| 5796 | notify("Binding of Unix server socket to pathname %s failed. (%s)", |
| 5797 | localaddr_unix.sun_path, strerror(errno)); |
| 5798 | errno = 0; |
| 5799 | goto unix_end; |
| 5800 | } |
| 5801 | } |
| 5802 | |
| 5803 | if (listen(server_fd_unix, 10)) { |
| 5804 | notify("Could not listen on the given socket. Unix domain socket " |
| 5805 | "communication will not be used."); |
| 5806 | close(server_fd_unix); |
| 5807 | errno = 0; |
| 5808 | goto unix_end; |
| 5809 | } |
| 5810 | |
| 5811 | set_close_on_exec(server_fd_unix); |
| 5812 | |
| 5813 | add_fd_to_table(server_fd_unix); |
| 5814 | fd_table[server_fd_unix].fd_type = FD_SERVER; |
| 5815 | add_poll_fd(server_fd_unix); |
| 5816 | |
| 5817 | notify("Unix server socket created successfully."); |
| 5818 | } |
| 5819 | unix_end: |
| 5820 | |
| 5821 | if (pipe(pipe_fd) < 0) { |
| 5822 | error("System call pipe failed: %s", strerror(errno)); |
| 5823 | clean_up(); |
| 5824 | unlock(); |
| 5825 | delete localaddr; |
| 5826 | return 0; |
| 5827 | } |
| 5828 | set_close_on_exec(pipe_fd[0]); |
| 5829 | set_close_on_exec(pipe_fd[1]); |
| 5830 | |
| 5831 | wakeup_reason = REASON_NOTHING; |
| 5832 | |
| 5833 | mc_state = MC_LISTENING; |
| 5834 | |
| 5835 | add_fd_to_table(server_fd); |
| 5836 | fd_table[server_fd].fd_type = FD_SERVER; |
| 5837 | add_poll_fd(server_fd); |
| 5838 | server_fd_disabled = FALSE; |
| 5839 | |
| 5840 | add_fd_to_table(pipe_fd[0]); |
| 5841 | fd_table[pipe_fd[0]].fd_type = FD_PIPE; |
| 5842 | add_poll_fd(pipe_fd[0]); |
| 5843 | |
| 5844 | pthread_attr_t attr; |
| 5845 | if (pthread_attr_init(&attr)) |
| 5846 | fatal_error("MainController::start_session: pthread_attr_init failed."); |
| 5847 | if (pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED)) |
| 5848 | fatal_error("MainController::start_session: " |
| 5849 | "pthread_attr_setdetachstate failed."); |
| 5850 | |
| 5851 | pthread_t thread; |
| 5852 | if (pthread_create(&thread, &attr, thread_main, NULL)) |
| 5853 | fatal_error("MainController::start_session: pthread_create failed."); |
| 5854 | |
| 5855 | if (pthread_attr_destroy(&attr)) |
| 5856 | fatal_error("MainController::start_session: pthread_attr_destroy " |
| 5857 | "failed."); |
| 5858 | if (local_address != NULL) |
| 5859 | notify("Listening on IP address %s and TCP port %d.", localaddr->get_addr_str(), tcp_port); |
| 5860 | else notify("Listening on TCP port %d.", tcp_port); |
| 5861 | delete localaddr; |
| 5862 | status_change(); |
| 5863 | unlock(); |
| 5864 | return tcp_port; |
| 5865 | } |
| 5866 | |
| 5867 | void MainController::shutdown_session() |
| 5868 | { |
| 5869 | lock(); |
| 5870 | switch (mc_state) { |
| 5871 | case MC_INACTIVE: |
| 5872 | status_change(); |
| 5873 | break; |
| 5874 | case MC_SHUTDOWN: |
| 5875 | break; |
| 5876 | case MC_LISTENING: |
| 5877 | case MC_LISTENING_CONFIGURED: |
| 5878 | case MC_HC_CONNECTED: |
| 5879 | case MC_ACTIVE: |
| 5880 | notify("Shutting down session."); |
| 5881 | wakeup_thread(REASON_SHUTDOWN); |
| 5882 | break; |
| 5883 | default: |
| 5884 | error("MainController::shutdown_session: called in wrong state."); |
| 5885 | } |
| 5886 | unlock(); |
| 5887 | } |
| 5888 | |
| 5889 | char *MainController::config_str; |
| 5890 | |
| 5891 | void MainController::configure(const char *config_file) |
| 5892 | { |
| 5893 | lock(); |
| 5894 | switch (mc_state) { |
| 5895 | case MC_HC_CONNECTED: |
| 5896 | case MC_ACTIVE: |
| 5897 | mc_state = MC_CONFIGURING; |
| 5898 | break; |
| 5899 | case MC_LISTENING: |
| 5900 | case MC_LISTENING_CONFIGURED: |
| 5901 | mc_state = MC_LISTENING_CONFIGURED; |
| 5902 | break; |
| 5903 | default: |
| 5904 | error("MainController::configure: called in wrong state."); |
| 5905 | unlock(); |
| 5906 | return; |
| 5907 | } |
| 5908 | Free(config_str); |
| 5909 | config_str = mcopystr(config_file); |
| 5910 | if(mc_state == MC_CONFIGURING) { |
| 5911 | notify("Downloading configuration file to all HCs."); |
| 5912 | for (int i = 0; i < n_hosts; i++) configure_host(hosts[i], FALSE); |
| 5913 | } |
| 5914 | status_change(); |
| 5915 | unlock(); |
| 5916 | } |
| 5917 | |
| 5918 | void MainController::create_mtc(int host_index) |
| 5919 | { |
| 5920 | lock(); |
| 5921 | if (mc_state != MC_ACTIVE) { |
| 5922 | error("MainController::create_mtc: called in wrong state."); |
| 5923 | unlock(); |
| 5924 | return; |
| 5925 | } |
| 5926 | if (host_index < 0 || host_index >= n_hosts) { |
| 5927 | error("MainController::create_mtc: host index (%d) is out of range.", |
| 5928 | host_index); |
| 5929 | unlock(); |
| 5930 | return; |
| 5931 | } |
| 5932 | host_struct *host = hosts[host_index]; |
| 5933 | switch (host->hc_state) { |
| 5934 | case HC_OVERLOADED: |
| 5935 | notify("HC on host %s reported overload. Trying to create MTC there " |
| 5936 | "anyway.", host->hostname); |
| 5937 | case HC_ACTIVE: |
| 5938 | break; |
| 5939 | default: |
| 5940 | error("MTC cannot be created on %s: HC is not active.", host->hostname); |
| 5941 | unlock(); |
| 5942 | return; |
| 5943 | } |
| 5944 | notify("Creating MTC on host %s.", host->hostname); |
| 5945 | send_create_mtc(host); |
| 5946 | |
| 5947 | mtc = new component_struct; |
| 5948 | mtc->comp_ref = MTC_COMPREF; |
| 5949 | init_qualified_name(&mtc->comp_type); |
| 5950 | mtc->comp_name = new char[4]; |
| 5951 | strcpy(mtc->comp_name, "MTC"); |
| 5952 | mtc->tc_state = TC_INITIAL; |
| 5953 | mtc->local_verdict = NONE; |
| 5954 | mtc->verdict_reason = NULL; |
| 5955 | mtc->tc_fd = -1; |
| 5956 | mtc->text_buf = NULL; |
| 5957 | init_qualified_name(&mtc->tc_fn_name); |
| 5958 | mtc->return_type = NULL; |
| 5959 | mtc->return_value_len = 0; |
| 5960 | mtc->return_value = NULL; |
| 5961 | mtc->is_alive = FALSE; |
| 5962 | mtc->stop_requested = FALSE; |
| 5963 | mtc->process_killed = FALSE; |
| 5964 | mtc->initial.create_requestor = NULL; |
| 5965 | mtc->initial.location_str = NULL; |
| 5966 | init_requestors(&mtc->done_requestors, NULL); |
| 5967 | init_requestors(&mtc->killed_requestors, NULL); |
| 5968 | init_requestors(&mtc->cancel_done_sent_for, NULL); |
| 5969 | mtc->kill_timer = NULL; |
| 5970 | init_connections(mtc); |
| 5971 | add_component(mtc); |
| 5972 | add_component_to_host(host, mtc); |
| 5973 | host->n_active_components++; |
| 5974 | |
| 5975 | system = new component_struct; |
| 5976 | system->comp_ref = SYSTEM_COMPREF; |
| 5977 | init_qualified_name(&system->comp_type); |
| 5978 | system->comp_name = new char[7]; |
| 5979 | strcpy(system->comp_name, "SYSTEM"); |
| 5980 | system->log_source = NULL; |
| 5981 | system->comp_location = NULL; |
| 5982 | system->tc_state = TC_SYSTEM; |
| 5983 | system->local_verdict = NONE; |
| 5984 | system->verdict_reason = NULL; |
| 5985 | system->tc_fd = -1; |
| 5986 | system->text_buf = NULL; |
| 5987 | init_qualified_name(&system->tc_fn_name); |
| 5988 | system->return_type = NULL; |
| 5989 | system->return_value_len = 0; |
| 5990 | system->return_value = NULL; |
| 5991 | system->is_alive = FALSE; |
| 5992 | system->stop_requested = FALSE; |
| 5993 | system->process_killed = FALSE; |
| 5994 | init_requestors(&system->done_requestors, NULL); |
| 5995 | init_requestors(&system->killed_requestors, NULL); |
| 5996 | init_requestors(&system->cancel_done_sent_for, NULL); |
| 5997 | system->kill_timer = NULL; |
| 5998 | init_connections(system); |
| 5999 | add_component(system); |
| 6000 | |
| 6001 | mc_state = MC_CREATING_MTC; |
| 6002 | status_change(); |
| 6003 | unlock(); |
| 6004 | } |
| 6005 | |
| 6006 | void MainController::exit_mtc() |
| 6007 | { |
| 6008 | lock(); |
| 6009 | if (mc_state != MC_READY) { |
| 6010 | error("MainController::exit_mtc: called in wrong state."); |
| 6011 | unlock(); |
| 6012 | return; |
| 6013 | } |
| 6014 | notify("Terminating MTC."); |
| 6015 | send_exit_mtc(); |
| 6016 | mtc->tc_state = TC_EXITING; |
| 6017 | mtc->comp_location->n_active_components--; |
| 6018 | mc_state = MC_TERMINATING_MTC; |
| 6019 | start_kill_timer(mtc); |
| 6020 | status_change(); |
| 6021 | unlock(); |
| 6022 | } |
| 6023 | |
| 6024 | void MainController::execute_control(const char *module_name) |
| 6025 | { |
| 6026 | lock(); |
| 6027 | if (mc_state != MC_READY) { |
| 6028 | error("MainController::execute_control: called in wrong state."); |
| 6029 | unlock(); |
| 6030 | return; |
| 6031 | } |
| 6032 | send_execute_control(module_name); |
| 6033 | mtc->tc_state = MTC_CONTROLPART; |
| 6034 | mc_state = MC_EXECUTING_CONTROL; |
| 6035 | status_change(); |
| 6036 | unlock(); |
| 6037 | } |
| 6038 | |
| 6039 | void MainController::execute_testcase(const char *module_name, |
| 6040 | const char *testcase_name) |
| 6041 | { |
| 6042 | lock(); |
| 6043 | if (mc_state != MC_READY) { |
| 6044 | error("MainController::execute_testcase: called in wrong state."); |
| 6045 | unlock(); |
| 6046 | return; |
| 6047 | } |
| 6048 | send_execute_testcase(module_name, testcase_name); |
| 6049 | mtc->tc_state = MTC_CONTROLPART; |
| 6050 | mc_state = MC_EXECUTING_CONTROL; |
| 6051 | status_change(); |
| 6052 | unlock(); |
| 6053 | } |
| 6054 | |
| 6055 | void MainController::stop_after_testcase(boolean new_state) |
| 6056 | { |
| 6057 | lock(); |
| 6058 | stop_after_tc = new_state; |
| 6059 | if (mc_state == MC_PAUSED && !stop_after_tc) { |
| 6060 | unlock(); |
| 6061 | continue_testcase(); |
| 6062 | } else unlock(); |
| 6063 | } |
| 6064 | |
| 6065 | void MainController::continue_testcase() |
| 6066 | { |
| 6067 | lock(); |
| 6068 | if (mc_state == MC_PAUSED) { |
| 6069 | notify("Resuming execution."); |
| 6070 | send_continue(); |
| 6071 | mtc->tc_state = MTC_CONTROLPART; |
| 6072 | mc_state = MC_EXECUTING_CONTROL; |
| 6073 | status_change(); |
| 6074 | } else error("MainController::continue_testcase: called in wrong state."); |
| 6075 | unlock(); |
| 6076 | } |
| 6077 | |
| 6078 | void MainController::stop_execution() |
| 6079 | { |
| 6080 | lock(); |
| 6081 | if (!stop_requested) { |
| 6082 | notify("Stopping execution."); |
| 6083 | switch (mc_state) { |
| 6084 | case MC_PAUSED: |
| 6085 | mc_state = MC_EXECUTING_CONTROL; |
| 6086 | mtc->tc_state = MTC_CONTROLPART; |
| 6087 | case MC_EXECUTING_CONTROL: |
| 6088 | send_stop(mtc); |
| 6089 | mtc->stop_requested = TRUE; |
| 6090 | start_kill_timer(mtc); |
| 6091 | wakeup_thread(REASON_MTC_KILL_TIMER); |
| 6092 | break; |
| 6093 | case MC_EXECUTING_TESTCASE: |
| 6094 | if (!mtc->stop_requested) { |
| 6095 | send_stop(mtc); |
| 6096 | kill_all_components(TRUE); |
| 6097 | mtc->stop_requested = TRUE; |
| 6098 | start_kill_timer(mtc); |
| 6099 | wakeup_thread(REASON_MTC_KILL_TIMER); |
| 6100 | } |
| 6101 | case MC_TERMINATING_TESTCASE: |
| 6102 | // MTC will be stopped later in finish_testcase() |
| 6103 | case MC_READY: |
| 6104 | // do nothing |
| 6105 | break; |
| 6106 | default: |
| 6107 | error("MainController::stop_execution: called in wrong state."); |
| 6108 | unlock(); |
| 6109 | return; |
| 6110 | } |
| 6111 | stop_requested = TRUE; |
| 6112 | status_change(); |
| 6113 | } else notify("Stop was already requested. Operation ignored."); |
| 6114 | unlock(); |
| 6115 | } |
| 6116 | |
| 6117 | mc_state_enum MainController::get_state() |
| 6118 | { |
| 6119 | lock(); |
| 6120 | mc_state_enum ret_val = mc_state; |
| 6121 | unlock(); |
| 6122 | return ret_val; |
| 6123 | } |
| 6124 | |
| 6125 | boolean MainController::get_stop_after_testcase() |
| 6126 | { |
| 6127 | lock(); |
| 6128 | boolean ret_val = stop_after_tc; |
| 6129 | unlock(); |
| 6130 | return ret_val; |
| 6131 | } |
| 6132 | |
| 6133 | int MainController::get_nof_hosts() |
| 6134 | { |
| 6135 | lock(); |
| 6136 | int ret_val = n_hosts; |
| 6137 | unlock(); |
| 6138 | return ret_val; |
| 6139 | } |
| 6140 | |
| 6141 | host_struct *MainController::get_host_data(int host_index) |
| 6142 | { |
| 6143 | lock(); |
| 6144 | if (host_index >= 0 && host_index < n_hosts) return hosts[host_index]; |
| 6145 | else return NULL; |
| 6146 | } |
| 6147 | |
| 6148 | component_struct *MainController::get_component_data(int component_reference) |
| 6149 | { |
| 6150 | lock(); |
| 6151 | return lookup_component(component_reference); |
| 6152 | } |
| 6153 | |
| 6154 | void MainController::release_data() |
| 6155 | { |
| 6156 | unlock(); |
| 6157 | } |
| 6158 | |
| 6159 | const char *MainController::get_mc_state_name(mc_state_enum state) |
| 6160 | { |
| 6161 | switch (state) { |
| 6162 | case MC_INACTIVE: |
| 6163 | return "inactive"; |
| 6164 | case MC_LISTENING: |
| 6165 | return "listening"; |
| 6166 | case MC_LISTENING_CONFIGURED: |
| 6167 | return "listening (configured)"; |
| 6168 | case MC_HC_CONNECTED: |
| 6169 | return "HC connected"; |
| 6170 | case MC_CONFIGURING: |
| 6171 | return "configuring..."; |
| 6172 | case MC_ACTIVE: |
| 6173 | return "active"; |
| 6174 | case MC_CREATING_MTC: |
| 6175 | return "creating MTC..."; |
| 6176 | case MC_TERMINATING_MTC: |
| 6177 | return "terminating MTC..."; |
| 6178 | case MC_READY: |
| 6179 | return "ready"; |
| 6180 | case MC_EXECUTING_CONTROL: |
| 6181 | return "executing control part"; |
| 6182 | case MC_EXECUTING_TESTCASE: |
| 6183 | return "executing testcase"; |
| 6184 | case MC_TERMINATING_TESTCASE: |
| 6185 | return "terminating testcase..."; |
| 6186 | case MC_PAUSED: |
| 6187 | return "paused after testcase"; |
| 6188 | case MC_SHUTDOWN: |
| 6189 | return "shutting down..."; |
| 6190 | default: |
| 6191 | return "unknown/transient"; |
| 6192 | } |
| 6193 | } |
| 6194 | |
| 6195 | const char *MainController::get_hc_state_name(hc_state_enum state) |
| 6196 | { |
| 6197 | switch (state) { |
| 6198 | case HC_IDLE: |
| 6199 | return "not configured"; |
| 6200 | case HC_CONFIGURING: |
| 6201 | case HC_CONFIGURING_OVERLOADED: |
| 6202 | return "being configured"; |
| 6203 | case HC_ACTIVE: |
| 6204 | return "ready"; |
| 6205 | case HC_OVERLOADED: |
| 6206 | return "overloaded"; |
| 6207 | case HC_DOWN: |
| 6208 | return "down"; |
| 6209 | default: |
| 6210 | return "unknown/transient"; |
| 6211 | } |
| 6212 | } |
| 6213 | |
| 6214 | const char *MainController::get_tc_state_name(tc_state_enum state) |
| 6215 | { |
| 6216 | switch (state) { |
| 6217 | case TC_INITIAL: |
| 6218 | return "being created"; |
| 6219 | case TC_IDLE: |
| 6220 | return "inactive - waiting for start"; |
| 6221 | case TC_CREATE: |
| 6222 | return "executing create operation"; |
| 6223 | case TC_START: |
| 6224 | return "executing component start operation"; |
| 6225 | case TC_STOP: |
| 6226 | case MTC_ALL_COMPONENT_STOP: |
| 6227 | return "executing component stop operation"; |
| 6228 | case TC_KILL: |
| 6229 | case MTC_ALL_COMPONENT_KILL: |
| 6230 | return "executing kill operation"; |
| 6231 | case TC_CONNECT: |
| 6232 | return "executing connect operation"; |
| 6233 | case TC_DISCONNECT: |
| 6234 | return "executing disconnect operation"; |
| 6235 | case TC_MAP: |
| 6236 | return "executing map operation"; |
| 6237 | case TC_UNMAP: |
| 6238 | return "executing unmap operation"; |
| 6239 | case TC_STOPPING: |
| 6240 | return "being stopped"; |
| 6241 | case TC_EXITING: |
| 6242 | return "terminated"; |
| 6243 | case TC_EXITED: |
| 6244 | return "exited"; |
| 6245 | case MTC_CONTROLPART: |
| 6246 | return "executing control part"; |
| 6247 | case MTC_TESTCASE: |
| 6248 | return "executing testcase"; |
| 6249 | case MTC_TERMINATING_TESTCASE: |
| 6250 | return "terminating testcase"; |
| 6251 | case MTC_PAUSED: |
| 6252 | return "paused"; |
| 6253 | case PTC_FUNCTION: |
| 6254 | return "executing function"; |
| 6255 | case PTC_STARTING: |
| 6256 | return "being started"; |
| 6257 | case PTC_STOPPED: |
| 6258 | return "stopped - waiting for re-start"; |
| 6259 | case PTC_KILLING: |
| 6260 | case PTC_STOPPING_KILLING: |
| 6261 | return "being killed"; |
| 6262 | default: |
| 6263 | return "unknown/transient"; |
| 6264 | } |
| 6265 | } |
| 6266 | |
| 6267 | const char *MainController::get_transport_name(transport_type_enum transport) |
| 6268 | { |
| 6269 | switch (transport) { |
| 6270 | case TRANSPORT_LOCAL: |
| 6271 | return "LOCAL (software loop)"; |
| 6272 | case TRANSPORT_INET_STREAM: |
| 6273 | return "INET_STREAM (TCP over IPv4)"; |
| 6274 | case TRANSPORT_UNIX_STREAM: |
| 6275 | return "UNIX_STREAM (UNIX domain socket)"; |
| 6276 | default: |
| 6277 | return "unknown"; |
| 6278 | } |
| 6279 | } |
| 6280 | |
| 6281 | //---------------------------------------------------------------------------- |
| 6282 | |
| 6283 | } /* namespace mctr */ |
| 6284 | |
| 6285 | //---------------------------------------------------------------------------- |
| 6286 | |
| 6287 | // Local Variables: |
| 6288 | // mode: C++ |
| 6289 | // indent-tabs-mode: nil |
| 6290 | // c-basic-offset: 2 |
| 6291 | // End: |