Commit | Line | Data |
---|---|---|
7a278c8e | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
7a278c8e | 3 | * |
1a9f7075 | 4 | * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com> |
f3bc2010 | 5 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e | 6 | * |
0235b0db | 7 | * Babeltrace CTF file system Reader Component |
7a278c8e JG |
8 | */ |
9 | ||
c802cacb SM |
10 | #include <glib.h> |
11 | #include <inttypes.h> | |
c802cacb SM |
12 | |
13 | #include <babeltrace2/babeltrace.h> | |
14 | ||
c802cacb | 15 | #include "common/assert.h" |
578e048b | 16 | #include "common/common.h" |
6162e6b7 | 17 | #include "common/uuid.h" |
945312a2 | 18 | #include "cpp-common/bt2s/make-unique.hpp" |
c802cacb SM |
19 | |
20 | #include "plugins/common/param-validation/param-validation.h" | |
21 | ||
5656cea5 PP |
22 | #include "../common/src/metadata/tsdl/ctf-meta-configure-ir-trace.hpp" |
23 | #include "../common/src/msg-iter/msg-iter.hpp" | |
c802cacb SM |
24 | #include "data-stream-file.hpp" |
25 | #include "file.hpp" | |
26 | #include "fs.hpp" | |
27 | #include "metadata.hpp" | |
087cd0f5 | 28 | #include "query.hpp" |
e7a4393b | 29 | |
4164020e SM |
30 | struct tracer_info |
31 | { | |
32 | const char *name; | |
33 | int64_t major; | |
34 | int64_t minor; | |
35 | int64_t patch; | |
626cc488 FD |
36 | }; |
37 | ||
4164020e | 38 | static void ctf_fs_msg_iter_data_destroy(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e | 39 | { |
4164020e SM |
40 | if (!msg_iter_data) { |
41 | return; | |
42 | } | |
94cf822e | 43 | |
4164020e SM |
44 | if (msg_iter_data->msg_iter) { |
45 | ctf_msg_iter_destroy(msg_iter_data->msg_iter); | |
46 | } | |
6de92955 | 47 | |
4164020e SM |
48 | if (msg_iter_data->msg_iter_medops_data) { |
49 | ctf_fs_ds_group_medops_data_destroy(msg_iter_data->msg_iter_medops_data); | |
50 | } | |
94cf822e | 51 | |
afb0f12b | 52 | delete msg_iter_data; |
fc917f65 PP |
53 | } |
54 | ||
4164020e SM |
55 | static bt_message_iterator_class_next_method_status |
56 | ctf_fs_iterator_next_one(struct ctf_fs_msg_iter_data *msg_iter_data, const bt_message **out_msg) | |
ea0b4b9e | 57 | { |
4164020e SM |
58 | bt_message_iterator_class_next_method_status status; |
59 | enum ctf_msg_iter_status msg_iter_status; | |
4164020e SM |
60 | |
61 | msg_iter_status = ctf_msg_iter_get_next_message(msg_iter_data->msg_iter, out_msg); | |
62 | ||
63 | switch (msg_iter_status) { | |
64 | case CTF_MSG_ITER_STATUS_OK: | |
65 | /* Cool, message has been written to *out_msg. */ | |
66 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
67 | break; | |
68 | ||
69 | case CTF_MSG_ITER_STATUS_EOF: | |
70 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; | |
71 | break; | |
72 | ||
73 | case CTF_MSG_ITER_STATUS_AGAIN: | |
74 | /* | |
75 | * Should not make it this far as this is | |
76 | * medium-specific; there is nothing for the user to do | |
77 | * and it should have been handled upstream. | |
78 | */ | |
79 | bt_common_abort(); | |
80 | ||
81 | case CTF_MSG_ITER_STATUS_ERROR: | |
0f5c5d5c SM |
82 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
83 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
84 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
85 | break; | |
86 | ||
87 | case CTF_MSG_ITER_STATUS_MEMORY_ERROR: | |
0f5c5d5c SM |
88 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
89 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
90 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
91 | break; | |
92 | ||
93 | default: | |
94 | bt_common_abort(); | |
95 | } | |
96 | ||
97 | return status; | |
d4393e08 PP |
98 | } |
99 | ||
4164020e SM |
100 | bt_message_iterator_class_next_method_status |
101 | ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs, | |
102 | uint64_t capacity, uint64_t *count) | |
d4393e08 | 103 | { |
1e690349 SM |
104 | try { |
105 | bt_message_iterator_class_next_method_status status; | |
106 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
107 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator); | |
108 | uint64_t i = 0; | |
4164020e | 109 | |
1e690349 SM |
110 | if (G_UNLIKELY(msg_iter_data->next_saved_error)) { |
111 | /* | |
4164020e SM |
112 | * Last time we were called, we hit an error but had some |
113 | * messages to deliver, so we stashed the error here. Return | |
114 | * it now. | |
115 | */ | |
1e690349 SM |
116 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error); |
117 | status = msg_iter_data->next_saved_status; | |
118 | goto end; | |
4164020e | 119 | } |
4164020e | 120 | |
1e690349 SM |
121 | do { |
122 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
123 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { | |
124 | i++; | |
125 | } | |
126 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); | |
127 | ||
128 | if (i > 0) { | |
129 | /* | |
4164020e SM |
130 | * Even if ctf_fs_iterator_next_one() returned something |
131 | * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we | |
132 | * accumulated message objects in the output | |
133 | * message array, so we need to return | |
134 | * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are | |
e7401568 | 135 | * transferred to downstream. This other status occurs |
4164020e SM |
136 | * again the next time muxer_msg_iter_do_next() is |
137 | * called, possibly without any accumulated | |
138 | * message, in which case we'll return it. | |
139 | */ | |
1e690349 SM |
140 | if (status < 0) { |
141 | /* | |
4164020e SM |
142 | * Save this error for the next _next call. Assume that |
143 | * this component always appends error causes when | |
144 | * returning an error status code, which will cause the | |
145 | * current thread error to be non-NULL. | |
146 | */ | |
1e690349 SM |
147 | msg_iter_data->next_saved_error = bt_current_thread_take_error(); |
148 | BT_ASSERT(msg_iter_data->next_saved_error); | |
149 | msg_iter_data->next_saved_status = status; | |
150 | } | |
4164020e | 151 | |
1e690349 SM |
152 | *count = i; |
153 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
154 | } | |
d4393e08 | 155 | |
cbca1c06 | 156 | end: |
1e690349 SM |
157 | return status; |
158 | return status; | |
159 | } catch (const std::bad_alloc&) { | |
160 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; | |
161 | } catch (const bt2::Error&) { | |
162 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; | |
163 | } | |
ea0b4b9e | 164 | } |
bfd20a42 | 165 | |
a3f0c7db | 166 | bt_message_iterator_class_seek_beginning_method_status |
d24d5663 | 167 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) |
6a9bb5e9 | 168 | { |
1e690349 SM |
169 | try { |
170 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
171 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it); | |
6a9bb5e9 | 172 | |
1e690349 | 173 | BT_ASSERT(msg_iter_data); |
6a9bb5e9 | 174 | |
1e690349 SM |
175 | ctf_msg_iter_reset(msg_iter_data->msg_iter); |
176 | ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data); | |
f6e68e70 | 177 | |
1e690349 SM |
178 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
179 | } catch (const std::bad_alloc&) { | |
180 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_MEMORY_ERROR; | |
181 | } catch (const bt2::Error&) { | |
182 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_ERROR; | |
183 | } | |
6a9bb5e9 PP |
184 | } |
185 | ||
d6e69534 | 186 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 187 | { |
4164020e SM |
188 | ctf_fs_msg_iter_data_destroy( |
189 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it)); | |
760051fa JG |
190 | } |
191 | ||
4164020e SM |
192 | static bt_message_iterator_class_initialize_method_status |
193 | ctf_msg_iter_medium_status_to_msg_iter_initialize_status(enum ctf_msg_iter_medium_status status) | |
1b7b1ef9 | 194 | { |
4164020e SM |
195 | switch (status) { |
196 | case CTF_MSG_ITER_MEDIUM_STATUS_EOF: | |
197 | case CTF_MSG_ITER_MEDIUM_STATUS_AGAIN: | |
198 | case CTF_MSG_ITER_MEDIUM_STATUS_ERROR: | |
199 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
200 | case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR: | |
201 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
202 | case CTF_MSG_ITER_MEDIUM_STATUS_OK: | |
203 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
204 | } | |
205 | ||
206 | bt_common_abort(); | |
1b7b1ef9 SM |
207 | } |
208 | ||
4164020e SM |
209 | bt_message_iterator_class_initialize_method_status |
210 | ctf_fs_iterator_init(bt_self_message_iterator *self_msg_iter, | |
211 | bt_self_message_iterator_configuration *config, | |
212 | bt_self_component_port_output *self_port) | |
4c1456f0 | 213 | { |
1e690349 SM |
214 | try { |
215 | struct ctf_fs_port_data *port_data; | |
216 | bt_message_iterator_class_initialize_method_status status; | |
217 | enum ctf_msg_iter_medium_status medium_status; | |
218 | ||
219 | port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data( | |
220 | bt_self_component_port_output_as_self_component_port(self_port)); | |
221 | BT_ASSERT(port_data); | |
222 | ||
223 | ctf_fs_msg_iter_data *msg_iter_data = new ctf_fs_msg_iter_data {self_msg_iter}; | |
224 | msg_iter_data->ds_file_group = port_data->ds_file_group; | |
225 | ||
226 | medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, | |
227 | self_msg_iter, msg_iter_data->logger, | |
228 | &msg_iter_data->msg_iter_medops_data); | |
229 | BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK || | |
230 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR || | |
231 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR); | |
232 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
233 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
234 | "Failed to create ctf_fs_ds_group_medops"); | |
235 | status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status); | |
236 | goto error; | |
237 | } | |
4164020e | 238 | |
1e690349 SM |
239 | msg_iter_data->msg_iter = ctf_msg_iter_create( |
240 | msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc, | |
241 | bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8, | |
242 | ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data, self_msg_iter, | |
243 | msg_iter_data->logger); | |
244 | if (!msg_iter_data->msg_iter) { | |
245 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
246 | "Cannot create a CTF message iterator."); | |
247 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
248 | goto error; | |
249 | } | |
4164020e | 250 | |
1e690349 | 251 | /* |
4164020e SM |
252 | * This iterator can seek forward if its stream class has a default |
253 | * clock class. | |
254 | */ | |
1e690349 SM |
255 | if (msg_iter_data->ds_file_group->sc->default_clock_class) { |
256 | bt_self_message_iterator_configuration_set_can_seek_forward(config, true); | |
257 | } | |
4164020e | 258 | |
1e690349 SM |
259 | bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data); |
260 | msg_iter_data = NULL; | |
4164020e | 261 | |
1e690349 SM |
262 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
263 | goto end; | |
5b29e799 | 264 | |
4f1f88a6 | 265 | error: |
1e690349 | 266 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 267 | |
760051fa | 268 | end: |
1e690349 SM |
269 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
270 | return status; | |
271 | } catch (const std::bad_alloc&) { | |
272 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
273 | } catch (const bt2::Error&) { | |
274 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
275 | } | |
760051fa JG |
276 | } |
277 | ||
4164020e | 278 | static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
a0cd55ad | 279 | { |
4164020e SM |
280 | if (!ctf_fs_trace) { |
281 | return; | |
282 | } | |
a0cd55ad | 283 | |
4164020e | 284 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
a0cd55ad | 285 | |
4164020e SM |
286 | if (ctf_fs_trace->path) { |
287 | g_string_free(ctf_fs_trace->path, TRUE); | |
288 | } | |
a0cd55ad | 289 | |
4164020e SM |
290 | if (ctf_fs_trace->metadata) { |
291 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
afb0f12b | 292 | delete ctf_fs_trace->metadata; |
4164020e | 293 | } |
a0cd55ad | 294 | |
afb0f12b | 295 | delete ctf_fs_trace; |
a0cd55ad SM |
296 | } |
297 | ||
7df773f2 SM |
298 | void ctf_fs_trace_deleter::operator()(ctf_fs_trace * const trace) noexcept |
299 | { | |
300 | ctf_fs_trace_destroy(trace); | |
301 | } | |
302 | ||
1a9f7075 | 303 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 304 | { |
4164020e SM |
305 | if (!ctf_fs) { |
306 | return; | |
307 | } | |
4f1f88a6 | 308 | |
afb0f12b | 309 | delete ctf_fs; |
1a9f7075 PP |
310 | } |
311 | ||
f340a3e8 SM |
312 | void ctf_fs_component_deleter::operator()(ctf_fs_component *comp) |
313 | { | |
314 | ctf_fs_destroy(comp); | |
315 | } | |
316 | ||
f340a3e8 | 317 | ctf_fs_component::UP ctf_fs_component_create(const bt2c::Logger& parentLogger) |
a4792757 | 318 | { |
945312a2 | 319 | return ctf_fs_component::UP {new ctf_fs_component {parentLogger}}; |
f280892e SM |
320 | } |
321 | ||
322 | void ctf_fs_finalize(bt_self_component_source *component) | |
323 | { | |
4164020e SM |
324 | ctf_fs_destroy((struct ctf_fs_component *) bt_self_component_get_data( |
325 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
326 | } |
327 | ||
49b956cc | 328 | bt2c::GCharUP ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 329 | { |
4164020e SM |
330 | GString *name = g_string_new(NULL); |
331 | ||
332 | /* | |
333 | * The unique port name is generated by concatenating unique identifiers | |
334 | * for: | |
335 | * | |
336 | * - the trace | |
337 | * - the stream class | |
338 | * - the stream | |
339 | */ | |
340 | ||
341 | /* For the trace, use the uuid if present, else the path. */ | |
342 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
343 | char uuid_str[BT_UUID_STR_LEN + 1]; | |
344 | ||
345 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
346 | g_string_assign(name, uuid_str); | |
347 | } else { | |
348 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
349 | } | |
350 | ||
351 | /* | |
352 | * For the stream class, use the id if present. We can omit this field | |
353 | * otherwise, as there will only be a single stream class. | |
354 | */ | |
355 | if (ds_file_group->sc->id != UINT64_C(-1)) { | |
356 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
357 | } | |
358 | ||
359 | /* For the stream, use the id if present, else, use the path. */ | |
360 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
361 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
362 | } else { | |
f3d74124 SM |
363 | BT_ASSERT(ds_file_group->ds_file_infos.size() == 1); |
364 | const auto& ds_file_info = *ds_file_group->ds_file_infos[0]; | |
365 | g_string_append_printf(name, " | %s", ds_file_info.path.c_str()); | |
4164020e SM |
366 | } |
367 | ||
49b956cc | 368 | return bt2c::GCharUP {g_string_free(name, FALSE)}; |
547eacf1 PP |
369 | } |
370 | ||
ce11b8c4 | 371 | static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
4164020e SM |
372 | struct ctf_fs_ds_file_group *ds_file_group, |
373 | bt_self_component_source *self_comp_src) | |
5b29e799 | 374 | { |
4164020e | 375 | int ret = 0; |
945312a2 | 376 | ctf_fs_port_data::UP port_data; |
4164020e | 377 | |
49b956cc | 378 | bt2c::GCharUP port_name = ctf_fs_make_port_name(ds_file_group); |
4164020e SM |
379 | if (!port_name) { |
380 | goto error; | |
381 | } | |
382 | ||
49b956cc | 383 | BT_CPPLOGI_SPEC(ctf_fs->logger, "Creating one port named `{}`", port_name.get()); |
4164020e SM |
384 | |
385 | /* Create output port for this file */ | |
945312a2 | 386 | port_data = bt2s::make_unique<ctf_fs_port_data>(); |
4164020e SM |
387 | port_data->ctf_fs = ctf_fs; |
388 | port_data->ds_file_group = ds_file_group; | |
945312a2 SM |
389 | ret = bt_self_component_source_add_output_port(self_comp_src, port_name.get(), port_data.get(), |
390 | NULL); | |
4164020e SM |
391 | if (ret) { |
392 | goto error; | |
393 | } | |
394 | ||
945312a2 | 395 | ctf_fs->port_data.emplace_back(std::move(port_data)); |
4164020e | 396 | goto end; |
4f1f88a6 PP |
397 | |
398 | error: | |
4164020e | 399 | ret = -1; |
4f1f88a6 PP |
400 | |
401 | end: | |
4164020e | 402 | return ret; |
5b29e799 JG |
403 | } |
404 | ||
4164020e SM |
405 | static int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
406 | struct ctf_fs_trace *ctf_fs_trace, | |
407 | bt_self_component_source *self_comp_src) | |
94cf822e | 408 | { |
4164020e | 409 | int ret = 0; |
4164020e SM |
410 | |
411 | /* Create one output port for each stream file group */ | |
cdf7de78 SM |
412 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
413 | ret = create_one_port_for_trace(ctf_fs, ds_file_group.get(), self_comp_src); | |
4164020e | 414 | if (ret) { |
0f5c5d5c | 415 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create output port."); |
4164020e SM |
416 | goto end; |
417 | } | |
418 | } | |
94cf822e PP |
419 | |
420 | end: | |
4164020e | 421 | return ret; |
94cf822e PP |
422 | } |
423 | ||
41a65f30 SM |
424 | /* |
425 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
426 | * place to keep it sorted. | |
427 | */ | |
428 | ||
4164020e | 429 | static void ds_file_group_insert_ds_file_info_sorted(struct ctf_fs_ds_file_group *ds_file_group, |
f3d74124 | 430 | ctf_fs_ds_file_info::UP ds_file_info) |
41a65f30 | 431 | { |
4164020e | 432 | /* Find the spot where to insert this ds_file_info. */ |
f3d74124 | 433 | auto it = ds_file_group->ds_file_infos.begin(); |
41a65f30 | 434 | |
f3d74124 SM |
435 | for (; it != ds_file_group->ds_file_infos.end(); ++it) { |
436 | const ctf_fs_ds_file_info& other_ds_file_info = **it; | |
437 | ||
438 | if (ds_file_info->begin_ns < other_ds_file_info.begin_ns) { | |
4164020e SM |
439 | break; |
440 | } | |
441 | } | |
41a65f30 | 442 | |
f3d74124 | 443 | ds_file_group->ds_file_infos.insert(it, std::move(ds_file_info)); |
41a65f30 SM |
444 | } |
445 | ||
4164020e SM |
446 | static bool ds_index_entries_equal(const struct ctf_fs_ds_index_entry *left, |
447 | const struct ctf_fs_ds_index_entry *right) | |
1505f33a | 448 | { |
ef7d7ac2 | 449 | if (left->packetSize != right->packetSize) { |
4164020e SM |
450 | return false; |
451 | } | |
1505f33a | 452 | |
4164020e SM |
453 | if (left->timestamp_begin != right->timestamp_begin) { |
454 | return false; | |
455 | } | |
1505f33a | 456 | |
4164020e SM |
457 | if (left->timestamp_end != right->timestamp_end) { |
458 | return false; | |
459 | } | |
1505f33a | 460 | |
4164020e SM |
461 | if (left->packet_seq_num != right->packet_seq_num) { |
462 | return false; | |
463 | } | |
1505f33a | 464 | |
4164020e | 465 | return true; |
1505f33a SM |
466 | } |
467 | ||
468 | /* | |
469 | * Insert `entry` into `index`, without duplication. | |
470 | * | |
471 | * The entry is inserted only if there isn't an identical entry already. | |
472 | * | |
473 | * In any case, the ownership of `entry` is transferred to this function. So if | |
474 | * the entry is not inserted, it is freed. | |
475 | */ | |
476 | ||
4164020e | 477 | static void ds_index_insert_ds_index_entry_sorted(struct ctf_fs_ds_index *index, |
2fb7af12 | 478 | ctf_fs_ds_index_entry::UP entry) |
7ed5243a | 479 | { |
4164020e | 480 | /* Find the spot where to insert this index entry. */ |
2fb7af12 SM |
481 | auto otherEntry = index->entries.begin(); |
482 | for (; otherEntry != index->entries.end(); ++otherEntry) { | |
483 | if (entry->timestamp_begin_ns <= (*otherEntry)->timestamp_begin_ns) { | |
4164020e SM |
484 | break; |
485 | } | |
486 | } | |
487 | ||
488 | /* | |
489 | * Insert the entry only if a duplicate doesn't already exist. | |
490 | * | |
491 | * There can be duplicate packets if reading multiple overlapping | |
492 | * snapshots of the same trace. We then want the index to contain | |
493 | * a reference to only one copy of that packet. | |
494 | */ | |
2fb7af12 SM |
495 | if (otherEntry == index->entries.end() || |
496 | !ds_index_entries_equal(entry.get(), otherEntry->get())) { | |
497 | index->entries.insert(otherEntry, std::move(entry)); | |
4164020e | 498 | } |
ce75de14 SM |
499 | } |
500 | ||
fe2f9cda | 501 | static void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, ctf_fs_ds_index::UP src) |
ce75de14 | 502 | { |
2fb7af12 SM |
503 | for (auto& entry : src->entries) { |
504 | ds_index_insert_ds_index_entry_sorted(dest, std::move(entry)); | |
4164020e | 505 | } |
7ed5243a FD |
506 | } |
507 | ||
4164020e | 508 | static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const char *path) |
94cf822e | 509 | { |
4164020e SM |
510 | int64_t stream_instance_id = -1; |
511 | int64_t begin_ns = -1; | |
512 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
fe2e19c4 | 513 | ctf_fs_ds_file_group::UP new_ds_file_group; |
4164020e | 514 | int ret; |
4164020e | 515 | struct ctf_fs_ds_file *ds_file = NULL; |
f3d74124 | 516 | ctf_fs_ds_file_info::UP ds_file_info; |
fe2f9cda | 517 | ctf_fs_ds_index::UP index; |
4164020e SM |
518 | struct ctf_msg_iter *msg_iter = NULL; |
519 | struct ctf_stream_class *sc = NULL; | |
520 | struct ctf_msg_iter_packet_properties props; | |
4164020e SM |
521 | |
522 | /* | |
523 | * Create a temporary ds_file to read some properties about the data | |
524 | * stream file. | |
525 | */ | |
0f5c5d5c | 526 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, path, ctf_fs_trace->logger); |
4164020e SM |
527 | if (!ds_file) { |
528 | goto error; | |
529 | } | |
530 | ||
531 | /* Create a temporary iterator to read the ds_file. */ | |
0f5c5d5c SM |
532 | msg_iter = ctf_msg_iter_create( |
533 | ctf_fs_trace->metadata->tc, | |
534 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
535 | ctf_fs_ds_file_medops, ds_file, nullptr, ctf_fs_trace->logger); | |
4164020e | 536 | if (!msg_iter) { |
0f5c5d5c | 537 | BT_CPPLOGE_STR_SPEC(ctf_fs_trace->logger, "Cannot create a CTF message iterator."); |
4164020e SM |
538 | goto error; |
539 | } | |
540 | ||
541 | ctf_msg_iter_set_dry_run(msg_iter, true); | |
542 | ||
543 | ret = ctf_msg_iter_get_packet_properties(msg_iter, &props); | |
544 | if (ret) { | |
0f5c5d5c SM |
545 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
546 | ctf_fs_trace->logger, | |
547 | "Cannot get stream file's first packet's header and context fields (`{}`).", path); | |
4164020e SM |
548 | goto error; |
549 | } | |
550 | ||
551 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id); | |
552 | BT_ASSERT(sc); | |
553 | stream_instance_id = props.data_stream_id; | |
554 | ||
555 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
556 | BT_ASSERT(sc->default_clock_class); | |
557 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
558 | props.snapshots.beginning_clock, sc->default_clock_class->frequency, | |
559 | sc->default_clock_class->offset_seconds, sc->default_clock_class->offset_cycles, | |
560 | &begin_ns); | |
561 | if (ret) { | |
0f5c5d5c SM |
562 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
563 | ctf_fs_trace->logger, | |
564 | "Cannot convert clock cycles to nanoseconds from origin (`{}`).", path); | |
4164020e SM |
565 | goto error; |
566 | } | |
567 | } | |
568 | ||
f3d74124 | 569 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
4164020e SM |
570 | if (!ds_file_info) { |
571 | goto error; | |
572 | } | |
573 | ||
fe2f9cda | 574 | index = ctf_fs_ds_file_build_index(ds_file, ds_file_info.get(), msg_iter); |
4164020e | 575 | if (!index) { |
0f5c5d5c SM |
576 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to index CTF stream file \'{}\'", |
577 | ds_file->file->path->str); | |
4164020e SM |
578 | goto error; |
579 | } | |
580 | ||
581 | if (begin_ns == -1) { | |
582 | /* | |
583 | * No beginning timestamp to sort the stream files | |
584 | * within a stream file group, so consider that this | |
585 | * file must be the only one within its group. | |
586 | */ | |
587 | stream_instance_id = -1; | |
588 | } | |
589 | ||
590 | if (stream_instance_id == -1) { | |
591 | /* | |
592 | * No stream instance ID or no beginning timestamp: | |
593 | * create a unique stream file group for this stream | |
594 | * file because, even if there's a stream instance ID, | |
595 | * there's no timestamp to order the file within its | |
596 | * group. | |
597 | */ | |
fe2f9cda SM |
598 | new_ds_file_group = |
599 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), std::move(index)); | |
4164020e | 600 | |
fe2e19c4 | 601 | if (!new_ds_file_group) { |
4164020e SM |
602 | goto error; |
603 | } | |
604 | ||
f3d74124 | 605 | ds_file_group_insert_ds_file_info_sorted(new_ds_file_group.get(), std::move(ds_file_info)); |
cdf7de78 | 606 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e SM |
607 | goto end; |
608 | } | |
609 | ||
610 | BT_ASSERT(stream_instance_id != -1); | |
611 | BT_ASSERT(begin_ns != -1); | |
612 | ||
613 | /* Find an existing stream file group with this ID */ | |
cdf7de78 SM |
614 | for (const auto& candidate : ctf_fs_trace->ds_file_groups) { |
615 | if (candidate->sc == sc && candidate->stream_id == stream_instance_id) { | |
616 | ds_file_group = candidate.get(); | |
4164020e SM |
617 | break; |
618 | } | |
4164020e SM |
619 | } |
620 | ||
621 | if (!ds_file_group) { | |
fe2e19c4 | 622 | new_ds_file_group = |
fe2f9cda | 623 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, std::move(index)); |
fe2e19c4 | 624 | if (!new_ds_file_group) { |
4164020e SM |
625 | goto error; |
626 | } | |
627 | ||
fe2e19c4 | 628 | ds_file_group = new_ds_file_group.get(); |
cdf7de78 | 629 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e | 630 | } else { |
fe2f9cda | 631 | merge_ctf_fs_ds_indexes(ds_file_group->index.get(), std::move(index)); |
4164020e SM |
632 | } |
633 | ||
f3d74124 | 634 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, std::move(ds_file_info)); |
4164020e SM |
635 | |
636 | goto end; | |
94cf822e PP |
637 | |
638 | error: | |
4164020e | 639 | ret = -1; |
94cf822e PP |
640 | |
641 | end: | |
4164020e | 642 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 643 | |
4164020e SM |
644 | if (msg_iter) { |
645 | ctf_msg_iter_destroy(msg_iter); | |
646 | } | |
6de92955 | 647 | |
4164020e | 648 | return ret; |
94cf822e PP |
649 | } |
650 | ||
4164020e | 651 | static int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b | 652 | { |
4164020e SM |
653 | int ret = 0; |
654 | const char *basename; | |
655 | GError *error = NULL; | |
656 | GDir *dir = NULL; | |
4164020e SM |
657 | |
658 | /* Check each file in the path directory, except specific ones */ | |
659 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); | |
660 | if (!dir) { | |
0f5c5d5c SM |
661 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
662 | "Cannot open directory `{}`: {} (code {})", | |
663 | ctf_fs_trace->path->str, error->message, error->code); | |
4164020e SM |
664 | goto error; |
665 | } | |
666 | ||
667 | while ((basename = g_dir_read_name(dir))) { | |
668 | struct ctf_fs_file *file; | |
669 | ||
670 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { | |
671 | /* Ignore the metadata stream. */ | |
0f5c5d5c SM |
672 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
673 | "Ignoring metadata file `{}" G_DIR_SEPARATOR_S "{}`", | |
674 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
675 | continue; |
676 | } | |
677 | ||
678 | if (basename[0] == '.') { | |
0f5c5d5c SM |
679 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
680 | "Ignoring hidden file `{}" G_DIR_SEPARATOR_S "{}`", | |
681 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
682 | continue; |
683 | } | |
684 | ||
685 | /* Create the file. */ | |
0f5c5d5c | 686 | file = ctf_fs_file_create(ctf_fs_trace->logger); |
4164020e | 687 | if (!file) { |
0f5c5d5c SM |
688 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
689 | ctf_fs_trace->logger, | |
690 | "Cannot create stream file object for file `{}" G_DIR_SEPARATOR_S "{}`", | |
4164020e SM |
691 | ctf_fs_trace->path->str, basename); |
692 | goto error; | |
693 | } | |
694 | ||
695 | /* Create full path string. */ | |
696 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", ctf_fs_trace->path->str, | |
697 | basename); | |
698 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { | |
0f5c5d5c SM |
699 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring non-regular file `{}`", |
700 | file->path->str); | |
4164020e SM |
701 | ctf_fs_file_destroy(file); |
702 | file = NULL; | |
703 | continue; | |
704 | } | |
705 | ||
706 | ret = ctf_fs_file_open(file, "rb"); | |
707 | if (ret) { | |
0f5c5d5c SM |
708 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Cannot open stream file `{}`", |
709 | file->path->str); | |
4164020e SM |
710 | goto error; |
711 | } | |
712 | ||
713 | if (file->size == 0) { | |
714 | /* Skip empty stream. */ | |
0f5c5d5c | 715 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring empty file `{}`", file->path->str); |
4164020e SM |
716 | ctf_fs_file_destroy(file); |
717 | continue; | |
718 | } | |
719 | ||
720 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, file->path->str); | |
721 | if (ret) { | |
0f5c5d5c SM |
722 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
723 | "Cannot add stream file `{}` to stream file group", | |
724 | file->path->str); | |
4164020e SM |
725 | ctf_fs_file_destroy(file); |
726 | goto error; | |
727 | } | |
728 | ||
729 | ctf_fs_file_destroy(file); | |
730 | } | |
731 | ||
732 | goto end; | |
4f1f88a6 | 733 | |
e7a4393b | 734 | error: |
4164020e | 735 | ret = -1; |
4f1f88a6 | 736 | |
e7a4393b | 737 | end: |
4164020e SM |
738 | if (dir) { |
739 | g_dir_close(dir); | |
740 | dir = NULL; | |
741 | } | |
4f1f88a6 | 742 | |
4164020e SM |
743 | if (error) { |
744 | g_error_free(error); | |
745 | } | |
5b29e799 | 746 | |
4164020e | 747 | return ret; |
5b29e799 JG |
748 | } |
749 | ||
0f5c5d5c | 750 | static int set_trace_name(bt_trace *trace, const char *name_suffix, const bt2c::Logger& logger) |
862ca4ed | 751 | { |
4164020e SM |
752 | int ret = 0; |
753 | const bt_value *val; | |
754 | GString *name; | |
755 | ||
756 | name = g_string_new(NULL); | |
757 | if (!name) { | |
0f5c5d5c | 758 | BT_CPPLOGE_STR_SPEC(logger, "Failed to allocate a GString."); |
4164020e SM |
759 | ret = -1; |
760 | goto end; | |
761 | } | |
762 | ||
763 | /* | |
764 | * Check if we have a trace environment string value named `hostname`. | |
765 | * If so, use it as the trace name's prefix. | |
766 | */ | |
767 | val = bt_trace_borrow_environment_entry_value_by_name_const(trace, "hostname"); | |
768 | if (val && bt_value_is_string(val)) { | |
769 | g_string_append(name, bt_value_string_get(val)); | |
770 | ||
771 | if (name_suffix) { | |
772 | g_string_append_c(name, G_DIR_SEPARATOR); | |
773 | } | |
774 | } | |
775 | ||
776 | if (name_suffix) { | |
777 | g_string_append(name, name_suffix); | |
778 | } | |
779 | ||
780 | ret = bt_trace_set_name(trace, name->str); | |
781 | if (ret) { | |
782 | goto end; | |
783 | } | |
784 | ||
785 | goto end; | |
862ca4ed PP |
786 | |
787 | end: | |
4164020e SM |
788 | if (name) { |
789 | g_string_free(name, TRUE); | |
790 | } | |
862ca4ed | 791 | |
4164020e | 792 | return ret; |
862ca4ed PP |
793 | } |
794 | ||
2ca337f1 SM |
795 | static ctf_fs_trace::UP ctf_fs_trace_create(const char *path, const char *name, |
796 | const ctf::src::ClkClsCfg& clkClsCfg, | |
797 | bt_self_component *selfComp, | |
798 | const bt2c::Logger& parentLogger) | |
1a9f7075 | 799 | { |
4164020e SM |
800 | int ret; |
801 | ||
2ca337f1 | 802 | ctf_fs_trace::UP ctf_fs_trace {new struct ctf_fs_trace(parentLogger)}; |
4164020e SM |
803 | ctf_fs_trace->path = g_string_new(path); |
804 | if (!ctf_fs_trace->path) { | |
805 | goto error; | |
806 | } | |
807 | ||
afb0f12b | 808 | ctf_fs_trace->metadata = new ctf_fs_metadata; |
4164020e | 809 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
4164020e | 810 | |
2ca337f1 | 811 | ret = ctf_fs_metadata_set_trace_class(selfComp, ctf_fs_trace.get(), clkClsCfg); |
4164020e SM |
812 | if (ret) { |
813 | goto error; | |
814 | } | |
815 | ||
816 | if (ctf_fs_trace->metadata->trace_class) { | |
817 | ctf_fs_trace->trace = bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
818 | if (!ctf_fs_trace->trace) { | |
819 | goto error; | |
820 | } | |
821 | } | |
822 | ||
823 | if (ctf_fs_trace->trace) { | |
824 | ret = ctf_trace_class_configure_ir_trace(ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
825 | if (ret) { | |
826 | goto error; | |
827 | } | |
828 | ||
0f5c5d5c | 829 | ret = set_trace_name(ctf_fs_trace->trace, name, ctf_fs_trace->logger); |
4164020e SM |
830 | if (ret) { |
831 | goto error; | |
832 | } | |
833 | } | |
834 | ||
2ca337f1 | 835 | ret = create_ds_file_groups(ctf_fs_trace.get()); |
4164020e SM |
836 | if (ret) { |
837 | goto error; | |
838 | } | |
839 | ||
840 | goto end; | |
1a9f7075 PP |
841 | |
842 | error: | |
2ca337f1 | 843 | ctf_fs_trace.reset(); |
44c440bc | 844 | |
1a9f7075 | 845 | end: |
4164020e | 846 | return ctf_fs_trace; |
1a9f7075 PP |
847 | } |
848 | ||
4164020e | 849 | static int path_is_ctf_trace(const char *path) |
1a9f7075 | 850 | { |
4164020e SM |
851 | GString *metadata_path = g_string_new(NULL); |
852 | int ret = 0; | |
1a9f7075 | 853 | |
4164020e SM |
854 | if (!metadata_path) { |
855 | ret = -1; | |
856 | goto end; | |
857 | } | |
1a9f7075 | 858 | |
4164020e | 859 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 | 860 | |
4164020e SM |
861 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { |
862 | ret = 1; | |
863 | goto end; | |
864 | } | |
1a9f7075 PP |
865 | |
866 | end: | |
4164020e SM |
867 | g_string_free(metadata_path, TRUE); |
868 | return ret; | |
1a9f7075 PP |
869 | } |
870 | ||
a0cd55ad | 871 | /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */ |
f280892e | 872 | |
4164020e SM |
873 | static int ctf_fs_component_create_ctf_fs_trace_one_path(struct ctf_fs_component *ctf_fs, |
874 | const char *path_param, | |
a4c955d9 SM |
875 | const char *trace_name, |
876 | std::vector<ctf_fs_trace::UP>& traces, | |
0f5c5d5c | 877 | bt_self_component *selfComp) |
1a9f7075 | 878 | { |
2ca337f1 | 879 | ctf_fs_trace::UP ctf_fs_trace; |
4164020e SM |
880 | int ret; |
881 | GString *norm_path; | |
4164020e SM |
882 | |
883 | norm_path = bt_common_normalize_path(path_param, NULL); | |
884 | if (!norm_path) { | |
0f5c5d5c | 885 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to normalize path: `{}`.", path_param); |
4164020e SM |
886 | goto error; |
887 | } | |
888 | ||
889 | ret = path_is_ctf_trace(norm_path->str); | |
890 | if (ret < 0) { | |
0f5c5d5c SM |
891 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
892 | ctf_fs->logger, "Failed to check if path is a CTF trace: path={}", norm_path->str); | |
4164020e SM |
893 | goto error; |
894 | } else if (ret == 0) { | |
0f5c5d5c SM |
895 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
896 | ctf_fs->logger, "Path is not a CTF trace (does not contain a metadata file): `{}`.", | |
897 | norm_path->str); | |
4164020e SM |
898 | goto error; |
899 | } | |
900 | ||
901 | // FIXME: Remove or ifdef for __MINGW32__ | |
902 | if (strcmp(norm_path->str, "/") == 0) { | |
0f5c5d5c | 903 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Opening a trace in `/` is not supported."); |
4164020e SM |
904 | ret = -1; |
905 | goto end; | |
906 | } | |
907 | ||
c942e7a2 SM |
908 | ctf_fs_trace = ctf_fs_trace_create(norm_path->str, trace_name, ctf_fs->clkClsCfg, selfComp, |
909 | ctf_fs->logger); | |
4164020e | 910 | if (!ctf_fs_trace) { |
0f5c5d5c SM |
911 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create trace for `{}`.", |
912 | norm_path->str); | |
4164020e SM |
913 | goto error; |
914 | } | |
915 | ||
a4c955d9 | 916 | traces.emplace_back(std::move(ctf_fs_trace)); |
4164020e SM |
917 | |
918 | ret = 0; | |
919 | goto end; | |
1a9f7075 PP |
920 | |
921 | error: | |
4164020e | 922 | ret = -1; |
1a9f7075 PP |
923 | |
924 | end: | |
4164020e SM |
925 | if (norm_path) { |
926 | g_string_free(norm_path, TRUE); | |
927 | } | |
4bd72b60 | 928 | |
4164020e | 929 | return ret; |
1a9f7075 PP |
930 | } |
931 | ||
41a65f30 SM |
932 | /* |
933 | * Count the number of stream and event classes defined by this trace's metadata. | |
934 | * | |
935 | * This is used to determine which metadata is the "latest", out of multiple | |
936 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
937 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
938 | * enough to just count the classes. | |
939 | */ | |
940 | ||
4164020e | 941 | static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) |
41a65f30 | 942 | { |
4164020e SM |
943 | unsigned int num = trace->metadata->tc->stream_classes->len; |
944 | guint i; | |
41a65f30 | 945 | |
4164020e SM |
946 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { |
947 | struct ctf_stream_class *sc = | |
948 | (struct ctf_stream_class *) trace->metadata->tc->stream_classes->pdata[i]; | |
949 | num += sc->event_classes->len; | |
950 | } | |
41a65f30 | 951 | |
4164020e | 952 | return num; |
41a65f30 SM |
953 | } |
954 | ||
955 | /* | |
956 | * Merge the src ds_file_group into dest. This consists of merging their | |
957 | * ds_file_infos, making sure to keep the result sorted. | |
958 | */ | |
959 | ||
4164020e | 960 | static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, |
cdf7de78 | 961 | ctf_fs_ds_file_group::UP src) |
41a65f30 | 962 | { |
f3d74124 SM |
963 | for (auto& ds_file_info : src->ds_file_infos) { |
964 | ds_file_group_insert_ds_file_info_sorted(dest, std::move(ds_file_info)); | |
4164020e | 965 | } |
41a65f30 | 966 | |
4164020e | 967 | /* Merge both indexes. */ |
fe2f9cda | 968 | merge_ctf_fs_ds_indexes(dest->index.get(), std::move(src->index)); |
7ed5243a | 969 | } |
a4c955d9 | 970 | |
41a65f30 SM |
971 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
972 | ||
4164020e | 973 | static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace, |
a4c955d9 | 974 | ctf_fs_trace::UP src_trace) |
41a65f30 | 975 | { |
cdf7de78 SM |
976 | std::vector<ctf_fs_ds_file_group::UP>& dest = dest_trace->ds_file_groups; |
977 | std::vector<ctf_fs_ds_file_group::UP>& src = src_trace->ds_file_groups; | |
4164020e SM |
978 | int ret = 0; |
979 | ||
980 | /* | |
981 | * Save the initial length of dest: we only want to check against the | |
982 | * original elements in the inner loop. | |
983 | */ | |
cdf7de78 | 984 | size_t dest_len = dest.size(); |
4164020e | 985 | |
cdf7de78 | 986 | for (auto& src_group : src) { |
4164020e SM |
987 | struct ctf_fs_ds_file_group *dest_group = NULL; |
988 | ||
989 | /* A stream instance without ID can't match a stream in the other trace. */ | |
990 | if (src_group->stream_id != -1) { | |
4164020e | 991 | /* Let's search for a matching ds_file_group in the destination. */ |
cdf7de78 SM |
992 | for (size_t d_i = 0; d_i < dest_len; ++d_i) { |
993 | ctf_fs_ds_file_group *candidate_dest = dest[d_i].get(); | |
4164020e SM |
994 | |
995 | /* Can't match a stream instance without ID. */ | |
996 | if (candidate_dest->stream_id == -1) { | |
997 | continue; | |
998 | } | |
999 | ||
1000 | /* | |
1001 | * If the two groups have the same stream instance id | |
1002 | * and belong to the same stream class (stream instance | |
1003 | * ids are per-stream class), they represent the same | |
1004 | * stream instance. | |
1005 | */ | |
1006 | if (candidate_dest->stream_id != src_group->stream_id || | |
1007 | candidate_dest->sc->id != src_group->sc->id) { | |
1008 | continue; | |
1009 | } | |
1010 | ||
1011 | dest_group = candidate_dest; | |
1012 | break; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | /* | |
1017 | * Didn't find a friend in dest to merge our src_group into? | |
1018 | * Create a new empty one. This can happen if a stream was | |
1019 | * active in the source trace chunk but not in the destination | |
1020 | * trace chunk. | |
1021 | */ | |
1022 | if (!dest_group) { | |
1023 | struct ctf_stream_class *sc; | |
4164020e SM |
1024 | |
1025 | sc = ctf_trace_class_borrow_stream_class_by_id(dest_trace->metadata->tc, | |
1026 | src_group->sc->id); | |
1027 | BT_ASSERT(sc); | |
1028 | ||
2fb7af12 | 1029 | auto index = ctf_fs_ds_index_create(); |
4164020e SM |
1030 | if (!index) { |
1031 | ret = -1; | |
1032 | goto end; | |
1033 | } | |
1034 | ||
fe2e19c4 | 1035 | auto new_dest_group = |
fe2f9cda | 1036 | ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, std::move(index)); |
fe2e19c4 | 1037 | |
fe2e19c4 | 1038 | if (!new_dest_group) { |
4164020e SM |
1039 | ret = -1; |
1040 | goto end; | |
1041 | } | |
1042 | ||
fe2e19c4 | 1043 | dest_group = new_dest_group.get(); |
cdf7de78 | 1044 | dest_trace->ds_file_groups.emplace_back(std::move(new_dest_group)); |
4164020e SM |
1045 | } |
1046 | ||
1047 | BT_ASSERT(dest_group); | |
cdf7de78 | 1048 | merge_ctf_fs_ds_file_groups(dest_group, std::move(src_group)); |
4164020e | 1049 | } |
54ef52bd FD |
1050 | |
1051 | end: | |
4164020e | 1052 | return ret; |
41a65f30 SM |
1053 | } |
1054 | ||
1055 | /* | |
1056 | * Collapse the given traces, which must all share the same UUID, in a single | |
1057 | * one. | |
1058 | * | |
1059 | * The trace with the most expansive metadata is chosen and all other traces | |
a4c955d9 SM |
1060 | * are merged into that one. On return, the elements of `traces` are nullptr |
1061 | * and the merged trace is placed in `out_trace`. | |
41a65f30 SM |
1062 | */ |
1063 | ||
a4c955d9 | 1064 | static int merge_ctf_fs_traces(std::vector<ctf_fs_trace::UP> traces, ctf_fs_trace::UP& out_trace) |
41a65f30 | 1065 | { |
4164020e SM |
1066 | unsigned int winner_count; |
1067 | struct ctf_fs_trace *winner; | |
1068 | guint i, winner_i; | |
1069 | int ret = 0; | |
1070 | ||
a4c955d9 | 1071 | BT_ASSERT(traces.size() >= 2); |
4164020e | 1072 | |
a4c955d9 SM |
1073 | winner_count = metadata_count_stream_and_event_classes(traces[0].get()); |
1074 | winner = traces[0].get(); | |
4164020e SM |
1075 | winner_i = 0; |
1076 | ||
1077 | /* Find the trace with the largest metadata. */ | |
a4c955d9 SM |
1078 | for (i = 1; i < traces.size(); i++) { |
1079 | ctf_fs_trace *candidate = traces[i].get(); | |
4164020e SM |
1080 | unsigned int candidate_count; |
1081 | ||
4164020e SM |
1082 | /* A bit of sanity check. */ |
1083 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1084 | ||
1085 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1086 | ||
1087 | if (candidate_count > winner_count) { | |
1088 | winner_count = candidate_count; | |
1089 | winner = candidate; | |
1090 | winner_i = i; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | /* Merge all the other traces in the winning trace. */ | |
a4c955d9 | 1095 | for (ctf_fs_trace::UP& trace : traces) { |
4164020e | 1096 | /* Don't merge the winner into itself. */ |
a4c955d9 | 1097 | if (trace.get() == winner) { |
4164020e SM |
1098 | continue; |
1099 | } | |
1100 | ||
1101 | /* Merge trace's data stream file groups into winner's. */ | |
a4c955d9 | 1102 | ret = merge_matching_ctf_fs_ds_file_groups(winner, std::move(trace)); |
4164020e SM |
1103 | if (ret) { |
1104 | goto end; | |
1105 | } | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * Move the winner out of the array, into `*out_trace`. | |
1110 | */ | |
a4c955d9 | 1111 | out_trace = std::move(traces[winner_i]); |
54ef52bd FD |
1112 | |
1113 | end: | |
4164020e | 1114 | return ret; |
41a65f30 SM |
1115 | } |
1116 | ||
4164020e SM |
1117 | enum target_event |
1118 | { | |
1119 | FIRST_EVENT, | |
1120 | LAST_EVENT, | |
1719bf64 FD |
1121 | }; |
1122 | ||
4164020e SM |
1123 | static int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, |
1124 | struct ctf_clock_class *default_cc, | |
1125 | struct ctf_fs_ds_index_entry *index_entry, | |
1126 | enum target_event target_event, uint64_t *cs, | |
1127 | int64_t *ts_ns) | |
1719bf64 | 1128 | { |
4164020e SM |
1129 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
1130 | struct ctf_fs_ds_file *ds_file = NULL; | |
1131 | struct ctf_msg_iter *msg_iter = NULL; | |
4164020e SM |
1132 | int ret = 0; |
1133 | ||
1134 | BT_ASSERT(ctf_fs_trace); | |
1135 | BT_ASSERT(index_entry); | |
1136 | BT_ASSERT(index_entry->path); | |
1137 | ||
0f5c5d5c | 1138 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, index_entry->path, ctf_fs_trace->logger); |
4164020e | 1139 | if (!ds_file) { |
0f5c5d5c | 1140 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to create a ctf_fs_ds_file"); |
4164020e SM |
1141 | ret = -1; |
1142 | goto end; | |
1143 | } | |
1144 | ||
1145 | BT_ASSERT(ctf_fs_trace->metadata); | |
1146 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1147 | ||
0f5c5d5c SM |
1148 | msg_iter = ctf_msg_iter_create( |
1149 | ctf_fs_trace->metadata->tc, | |
1150 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
1151 | ctf_fs_ds_file_medops, ds_file, NULL, ctf_fs_trace->logger); | |
4164020e SM |
1152 | if (!msg_iter) { |
1153 | /* ctf_msg_iter_create() logs errors. */ | |
1154 | ret = -1; | |
1155 | goto end; | |
1156 | } | |
1157 | ||
1158 | /* | |
1159 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1160 | * library objects (bt_field, bt_message_*, etc.). | |
1161 | */ | |
1162 | ctf_msg_iter_set_dry_run(msg_iter, true); | |
1163 | ||
1164 | /* Seek to the beginning of the target packet. */ | |
ef7d7ac2 | 1165 | iter_status = ctf_msg_iter_seek(msg_iter, index_entry->offset.bytes()); |
4164020e SM |
1166 | if (iter_status) { |
1167 | /* ctf_msg_iter_seek() logs errors. */ | |
1168 | ret = -1; | |
1169 | goto end; | |
1170 | } | |
1171 | ||
1172 | switch (target_event) { | |
1173 | case FIRST_EVENT: | |
1174 | /* | |
1175 | * Start to decode the packet until we reach the end of | |
1176 | * the first event. To extract the first event's clock | |
1177 | * snapshot. | |
1178 | */ | |
1179 | iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot(msg_iter, cs); | |
1180 | break; | |
1181 | case LAST_EVENT: | |
1182 | /* Decode the packet to extract the last event's clock snapshot. */ | |
1183 | iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot(msg_iter, cs); | |
1184 | break; | |
1185 | default: | |
1186 | bt_common_abort(); | |
1187 | } | |
1188 | if (iter_status) { | |
1189 | ret = -1; | |
1190 | goto end; | |
1191 | } | |
1192 | ||
1193 | /* Convert clock snapshot to timestamp. */ | |
1194 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
1195 | *cs, default_cc->frequency, default_cc->offset_seconds, default_cc->offset_cycles, ts_ns); | |
1196 | if (ret) { | |
0f5c5d5c SM |
1197 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1198 | "Failed to convert clock snapshot to timestamp"); | |
4164020e SM |
1199 | goto end; |
1200 | } | |
1719bf64 FD |
1201 | |
1202 | end: | |
4164020e SM |
1203 | if (ds_file) { |
1204 | ctf_fs_ds_file_destroy(ds_file); | |
1205 | } | |
1206 | if (msg_iter) { | |
1207 | ctf_msg_iter_destroy(msg_iter); | |
1208 | } | |
1209 | ||
1210 | return ret; | |
1719bf64 FD |
1211 | } |
1212 | ||
4164020e SM |
1213 | static int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1214 | struct ctf_clock_class *default_cc, | |
1215 | struct ctf_fs_ds_index_entry *index_entry, | |
1216 | uint64_t *cs, int64_t *ts_ns) | |
c43092a5 | 1217 | { |
4164020e SM |
1218 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, FIRST_EVENT, cs, |
1219 | ts_ns); | |
c43092a5 FD |
1220 | } |
1221 | ||
4164020e SM |
1222 | static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1223 | struct ctf_clock_class *default_cc, | |
1224 | struct ctf_fs_ds_index_entry *index_entry, | |
1225 | uint64_t *cs, int64_t *ts_ns) | |
1719bf64 | 1226 | { |
4164020e SM |
1227 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, LAST_EVENT, cs, |
1228 | ts_ns); | |
1719bf64 FD |
1229 | } |
1230 | ||
1231 | /* | |
1232 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1233 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1234 | * larger (after) than the timestamp_end of the their packets. | |
1235 | * | |
1236 | * To fix up this erroneous data we do the following: | |
1237 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1238 | * end time to the next packet's beginning time. | |
1239 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1240 | * time to the packet's last event's time, if any, or to the packet's | |
1241 | * beginning time otherwise. | |
1242 | * | |
1243 | * Known buggy tracer versions: | |
1244 | * - before lttng-ust 2.11.0 | |
1245 | * - before lttng-module 2.11.0 | |
1246 | * - before lttng-module 2.10.10 | |
1247 | * - before lttng-module 2.9.13 | |
1248 | */ | |
4164020e | 1249 | static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) |
1719bf64 | 1250 | { |
4164020e | 1251 | int ret = 0; |
4164020e | 1252 | |
cdf7de78 | 1253 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1254 | struct ctf_clock_class *default_cc; |
4164020e | 1255 | |
4164020e | 1256 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1257 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1258 | |
1259 | BT_ASSERT(index); | |
2fb7af12 | 1260 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1261 | |
1262 | /* | |
1263 | * Iterate over all entries but the last one. The last one is | |
1264 | * fixed differently after. | |
1265 | */ | |
2fb7af12 SM |
1266 | for (size_t entry_i = 0; entry_i < index->entries.size() - 1; ++entry_i) { |
1267 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
1268 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_i + 1].get(); | |
4164020e SM |
1269 | |
1270 | /* | |
1271 | * 1. Set the current index entry `end` timestamp to | |
1272 | * the next index entry `begin` timestamp. | |
1273 | */ | |
1274 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1275 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * 2. Fix the last entry by decoding the last event of the last | |
1280 | * packet. | |
1281 | */ | |
2fb7af12 | 1282 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1283 | BT_ASSERT(last_entry); |
1284 | ||
1285 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1286 | default_cc = ds_file_group->sc->default_clock_class; | |
1287 | ||
1288 | /* | |
1289 | * Decode packet to read the timestamp of the last event of the | |
1290 | * entry. | |
1291 | */ | |
1292 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1293 | &last_entry->timestamp_end, | |
1294 | &last_entry->timestamp_end_ns); | |
1295 | if (ret) { | |
0f5c5d5c SM |
1296 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1297 | trace->logger, | |
4164020e SM |
1298 | "Failed to decode stream's last packet to get its last event's clock snapshot."); |
1299 | goto end; | |
1300 | } | |
1301 | } | |
1719bf64 FD |
1302 | |
1303 | end: | |
4164020e | 1304 | return ret; |
1719bf64 FD |
1305 | } |
1306 | ||
c43092a5 FD |
1307 | /* |
1308 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1309 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1310 | * less than the timestamp_begin of the their packets. | |
1311 | * | |
1312 | * To fix up this erroneous data we do the following: | |
1313 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1314 | * current entry to the timestamp of the first event of the packet. | |
1315 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1316 | * current packet. | |
1317 | * | |
1318 | * Known buggy tracer versions: | |
1319 | * - before barectf 2.3.1 | |
1320 | */ | |
4164020e | 1321 | static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) |
c43092a5 | 1322 | { |
4164020e | 1323 | int ret = 0; |
4164020e | 1324 | |
cdf7de78 | 1325 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1326 | struct ctf_clock_class *default_cc; |
fe2f9cda | 1327 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1328 | |
1329 | BT_ASSERT(index); | |
2fb7af12 | 1330 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1331 | |
1332 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1333 | default_cc = ds_file_group->sc->default_clock_class; | |
1334 | ||
1335 | /* | |
1336 | * 1. Iterate over the index, starting from the second entry | |
1337 | * (index = 1). | |
1338 | */ | |
2fb7af12 SM |
1339 | for (size_t entry_i = 1; entry_i < index->entries.size(); ++entry_i) { |
1340 | ctf_fs_ds_index_entry *prev_entry = index->entries[entry_i - 1].get(); | |
1341 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
4164020e SM |
1342 | /* |
1343 | * 2. Set the current entry `begin` timestamp to the | |
1344 | * timestamp of the first event of the current packet. | |
1345 | */ | |
1346 | ret = decode_packet_first_event_timestamp(trace, default_cc, curr_entry, | |
1347 | &curr_entry->timestamp_begin, | |
1348 | &curr_entry->timestamp_begin_ns); | |
1349 | if (ret) { | |
0f5c5d5c SM |
1350 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1351 | "Failed to decode first event's clock snapshot"); | |
4164020e SM |
1352 | goto end; |
1353 | } | |
1354 | ||
1355 | /* | |
1356 | * 3. Set the previous entry `end` timestamp to the | |
1357 | * timestamp of the first event of the current packet. | |
1358 | */ | |
1359 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1360 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1361 | } | |
1362 | } | |
c43092a5 | 1363 | end: |
4164020e | 1364 | return ret; |
c43092a5 FD |
1365 | } |
1366 | ||
aada78b5 FD |
1367 | /* |
1368 | * When using the lttng-crash feature it's likely that the last packets of each | |
1369 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1370 | * the tracer crashed and was not able to properly close the packets. | |
1371 | * | |
1372 | * To fix up this erroneous data we do the following: | |
1373 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1374 | * timestamp_begin is not 0: | |
1375 | * - If it's the stream file's last packet: set the packet index entry's end | |
1376 | * time to the packet's last event's time, if any, or to the packet's | |
1377 | * beginning time otherwise. | |
1378 | * - If it's not the stream file's last packet: set the packet index | |
1379 | * entry's end time to the next packet's beginning time. | |
1380 | * | |
1381 | * Affected versions: | |
1382 | * - All current and future lttng-ust and lttng-modules versions. | |
1383 | */ | |
4164020e | 1384 | static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) |
aada78b5 | 1385 | { |
4164020e | 1386 | int ret = 0; |
4164020e | 1387 | |
cdf7de78 | 1388 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1389 | struct ctf_clock_class *default_cc; |
4164020e | 1390 | |
4164020e | 1391 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1392 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1393 | |
1394 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1395 | default_cc = ds_file_group->sc->default_clock_class; | |
1396 | ||
1397 | BT_ASSERT(index); | |
2fb7af12 | 1398 | BT_ASSERT(!index->entries.empty()); |
4164020e | 1399 | |
2fb7af12 | 1400 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1401 | BT_ASSERT(last_entry); |
1402 | ||
1403 | /* 1. Fix the last entry first. */ | |
1404 | if (last_entry->timestamp_end == 0 && last_entry->timestamp_begin != 0) { | |
1405 | /* | |
1406 | * Decode packet to read the timestamp of the | |
1407 | * last event of the stream file. | |
1408 | */ | |
1409 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1410 | &last_entry->timestamp_end, | |
1411 | &last_entry->timestamp_end_ns); | |
1412 | if (ret) { | |
0f5c5d5c SM |
1413 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1414 | "Failed to decode last event's clock snapshot"); | |
4164020e SM |
1415 | goto end; |
1416 | } | |
1417 | } | |
1418 | ||
1419 | /* Iterate over all entries but the last one. */ | |
2fb7af12 SM |
1420 | for (size_t entry_idx = 0; entry_idx < index->entries.size() - 1; ++entry_idx) { |
1421 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_idx].get(); | |
1422 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_idx + 1].get(); | |
4164020e SM |
1423 | |
1424 | if (curr_entry->timestamp_end == 0 && curr_entry->timestamp_begin != 0) { | |
1425 | /* | |
1426 | * 2. Set the current index entry `end` timestamp to | |
1427 | * the next index entry `begin` timestamp. | |
1428 | */ | |
1429 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1430 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1431 | } | |
1432 | } | |
1433 | } | |
aada78b5 FD |
1434 | |
1435 | end: | |
4164020e | 1436 | return ret; |
aada78b5 FD |
1437 | } |
1438 | ||
626cc488 FD |
1439 | /* |
1440 | * Extract the tracer information necessary to compare versions. | |
1441 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
1442 | * necessary fields are absents in the trace metadata. | |
1443 | */ | |
4164020e | 1444 | static int extract_tracer_info(struct ctf_fs_trace *trace, struct tracer_info *current_tracer_info) |
626cc488 | 1445 | { |
4164020e SM |
1446 | int ret = 0; |
1447 | struct ctf_trace_class_env_entry *entry; | |
1448 | ||
1449 | /* Clear the current_tracer_info struct */ | |
1450 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
1451 | ||
1452 | /* | |
1453 | * To compare 2 tracer versions, at least the tracer name and it's | |
1454 | * major version are needed. If one of these is missing, consider it an | |
1455 | * extraction failure. | |
1456 | */ | |
1457 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_name"); | |
1458 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
1459 | goto missing_bare_minimum; | |
1460 | } | |
1461 | ||
1462 | /* Set tracer name. */ | |
1463 | current_tracer_info->name = entry->value.str->str; | |
1464 | ||
1465 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_major"); | |
1466 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1467 | goto missing_bare_minimum; | |
1468 | } | |
1469 | ||
1470 | /* Set major version number. */ | |
1471 | current_tracer_info->major = entry->value.i; | |
1472 | ||
1473 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_minor"); | |
1474 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1475 | goto end; | |
1476 | } | |
1477 | ||
1478 | /* Set minor version number. */ | |
1479 | current_tracer_info->minor = entry->value.i; | |
1480 | ||
1481 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patch"); | |
1482 | if (!entry) { | |
1483 | /* | |
1484 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
1485 | * For example, `lttng-modules` uses entry name | |
1486 | * `tracer_patchlevel`. | |
1487 | */ | |
1488 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patchlevel"); | |
1489 | } | |
1490 | ||
1491 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1492 | goto end; | |
1493 | } | |
1494 | ||
1495 | /* Set patch version number. */ | |
1496 | current_tracer_info->patch = entry->value.i; | |
1497 | ||
1498 | goto end; | |
626cc488 FD |
1499 | |
1500 | missing_bare_minimum: | |
4164020e | 1501 | ret = -1; |
626cc488 | 1502 | end: |
4164020e | 1503 | return ret; |
626cc488 FD |
1504 | } |
1505 | ||
4164020e | 1506 | static bool is_tracer_affected_by_lttng_event_after_packet_bug(struct tracer_info *curr_tracer_info) |
1719bf64 | 1507 | { |
4164020e SM |
1508 | bool is_affected = false; |
1509 | ||
1510 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1511 | if (curr_tracer_info->major < 2) { | |
1512 | is_affected = true; | |
1513 | } else if (curr_tracer_info->major == 2) { | |
1514 | /* fixed in lttng-ust 2.11.0 */ | |
1515 | if (curr_tracer_info->minor < 11) { | |
1516 | is_affected = true; | |
1517 | } | |
1518 | } | |
1519 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1520 | if (curr_tracer_info->major < 2) { | |
1521 | is_affected = true; | |
1522 | } else if (curr_tracer_info->major == 2) { | |
1523 | /* fixed in lttng-modules 2.11.0 */ | |
1524 | if (curr_tracer_info->minor == 10) { | |
1525 | /* fixed in lttng-modules 2.10.10 */ | |
1526 | if (curr_tracer_info->patch < 10) { | |
1527 | is_affected = true; | |
1528 | } | |
1529 | } else if (curr_tracer_info->minor == 9) { | |
1530 | /* fixed in lttng-modules 2.9.13 */ | |
1531 | if (curr_tracer_info->patch < 13) { | |
1532 | is_affected = true; | |
1533 | } | |
1534 | } else if (curr_tracer_info->minor < 9) { | |
1535 | is_affected = true; | |
1536 | } | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | return is_affected; | |
1719bf64 FD |
1541 | } |
1542 | ||
4164020e SM |
1543 | static bool |
1544 | is_tracer_affected_by_barectf_event_before_packet_bug(struct tracer_info *curr_tracer_info) | |
c43092a5 | 1545 | { |
4164020e SM |
1546 | bool is_affected = false; |
1547 | ||
1548 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
1549 | if (curr_tracer_info->major < 2) { | |
1550 | is_affected = true; | |
1551 | } else if (curr_tracer_info->major == 2) { | |
1552 | if (curr_tracer_info->minor < 3) { | |
1553 | is_affected = true; | |
1554 | } else if (curr_tracer_info->minor == 3) { | |
1555 | /* fixed in barectf 2.3.1 */ | |
1556 | if (curr_tracer_info->patch < 1) { | |
1557 | is_affected = true; | |
1558 | } | |
1559 | } | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | return is_affected; | |
c43092a5 FD |
1564 | } |
1565 | ||
4164020e | 1566 | static bool is_tracer_affected_by_lttng_crash_quirk(struct tracer_info *curr_tracer_info) |
aada78b5 | 1567 | { |
4164020e | 1568 | bool is_affected = false; |
aada78b5 | 1569 | |
4164020e SM |
1570 | /* All LTTng tracer may be affected by this lttng crash quirk. */ |
1571 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1572 | is_affected = true; | |
1573 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1574 | is_affected = true; | |
1575 | } | |
aada78b5 | 1576 | |
4164020e | 1577 | return is_affected; |
aada78b5 FD |
1578 | } |
1579 | ||
1719bf64 FD |
1580 | /* |
1581 | * Looks for trace produced by known buggy tracers and fix up the index | |
1582 | * produced earlier. | |
1583 | */ | |
0f5c5d5c | 1584 | static int fix_packet_index_tracer_bugs(ctf_fs_trace *trace) |
1719bf64 | 1585 | { |
4164020e SM |
1586 | int ret = 0; |
1587 | struct tracer_info current_tracer_info; | |
4164020e | 1588 | |
0f5c5d5c | 1589 | ret = extract_tracer_info(trace, ¤t_tracer_info); |
4164020e SM |
1590 | if (ret) { |
1591 | /* | |
1592 | * A trace may not have all the necessary environment | |
1593 | * entries to do the tracer version comparison. | |
1594 | * At least, the tracer name and major version number | |
1595 | * are needed. Failing to extract these entries is not | |
1596 | * an error. | |
1597 | */ | |
1598 | ret = 0; | |
0f5c5d5c SM |
1599 | BT_CPPLOGI_STR_SPEC( |
1600 | trace->logger, | |
1601 | "Cannot extract tracer information necessary to compare with buggy versions."); | |
4164020e | 1602 | goto end; |
4164020e SM |
1603 | } |
1604 | ||
1605 | /* Check if the trace may be affected by old tracer bugs. */ | |
1606 | if (is_tracer_affected_by_lttng_event_after_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1607 | BT_CPPLOGI_STR_SPEC( |
1608 | trace->logger, | |
1609 | "Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
1610 | ret = fix_index_lttng_event_after_packet_bug(trace); | |
4164020e | 1611 | if (ret) { |
0f5c5d5c SM |
1612 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1613 | "Failed to fix LTTng event-after-packet bug."); | |
4164020e SM |
1614 | goto end; |
1615 | } | |
0f5c5d5c | 1616 | trace->metadata->tc->quirks.lttng_event_after_packet = true; |
4164020e SM |
1617 | } |
1618 | ||
1619 | if (is_tracer_affected_by_barectf_event_before_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1620 | BT_CPPLOGI_STR_SPEC( |
1621 | trace->logger, | |
1622 | "Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
1623 | ret = fix_index_barectf_event_before_packet_bug(trace); | |
4164020e | 1624 | if (ret) { |
0f5c5d5c SM |
1625 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1626 | "Failed to fix barectf event-before-packet bug."); | |
4164020e SM |
1627 | goto end; |
1628 | } | |
0f5c5d5c | 1629 | trace->metadata->tc->quirks.barectf_event_before_packet = true; |
4164020e SM |
1630 | } |
1631 | ||
1632 | if (is_tracer_affected_by_lttng_crash_quirk(¤t_tracer_info)) { | |
0f5c5d5c | 1633 | ret = fix_index_lttng_crash_quirk(trace); |
4164020e | 1634 | if (ret) { |
0f5c5d5c SM |
1635 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1636 | "Failed to fix lttng-crash timestamp quirks."); | |
4164020e SM |
1637 | goto end; |
1638 | } | |
0f5c5d5c | 1639 | trace->metadata->tc->quirks.lttng_crash = true; |
4164020e | 1640 | } |
a0cd55ad | 1641 | |
1719bf64 | 1642 | end: |
4164020e | 1643 | return ret; |
1719bf64 FD |
1644 | } |
1645 | ||
cdf7de78 SM |
1646 | static bool compare_ds_file_groups_by_first_path(const ctf_fs_ds_file_group::UP& ds_file_group_a, |
1647 | const ctf_fs_ds_file_group::UP& ds_file_group_b) | |
e9b3611f | 1648 | { |
f3d74124 SM |
1649 | BT_ASSERT(!ds_file_group_a->ds_file_infos.empty()); |
1650 | BT_ASSERT(!ds_file_group_b->ds_file_infos.empty()); | |
087cd0f5 | 1651 | |
f3d74124 SM |
1652 | const auto& first_ds_file_info_a = *ds_file_group_a->ds_file_infos[0]; |
1653 | const auto& first_ds_file_info_b = *ds_file_group_b->ds_file_infos[0]; | |
087cd0f5 | 1654 | |
f3d74124 | 1655 | return first_ds_file_info_a.path < first_ds_file_info_b.path; |
e9b3611f PP |
1656 | } |
1657 | ||
4164020e | 1658 | static gint compare_strings(gconstpointer p_a, gconstpointer p_b) |
7b69723d | 1659 | { |
4164020e SM |
1660 | const char *a = *((const char **) p_a); |
1661 | const char *b = *((const char **) p_b); | |
7b69723d | 1662 | |
4164020e | 1663 | return strcmp(a, b); |
7b69723d SM |
1664 | } |
1665 | ||
4164020e SM |
1666 | int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs, |
1667 | const bt_value *paths_value, | |
1668 | const bt_value *trace_name_value, | |
0f5c5d5c | 1669 | bt_self_component *selfComp) |
f280892e | 1670 | { |
4164020e SM |
1671 | int ret = 0; |
1672 | uint64_t i; | |
4164020e | 1673 | GPtrArray *paths = NULL; |
a4c955d9 | 1674 | std::vector<ctf_fs_trace::UP> traces; |
4164020e SM |
1675 | const char *trace_name; |
1676 | ||
1677 | BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY); | |
1678 | BT_ASSERT(!bt_value_array_is_empty(paths_value)); | |
1679 | ||
4164020e SM |
1680 | paths = g_ptr_array_new_with_free_func(g_free); |
1681 | if (!paths) { | |
0f5c5d5c | 1682 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to allocate a GPtrArray."); |
4164020e SM |
1683 | goto error; |
1684 | } | |
1685 | ||
1686 | trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL; | |
1687 | ||
1688 | /* | |
1689 | * Create a sorted array of the paths, to make the execution of this | |
1690 | * component deterministic. | |
1691 | */ | |
1692 | for (i = 0; i < bt_value_array_get_length(paths_value); i++) { | |
1693 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1694 | const char *input = bt_value_string_get(path_value); | |
1695 | gchar *input_copy; | |
1696 | ||
1697 | input_copy = g_strdup(input); | |
1698 | if (!input_copy) { | |
0f5c5d5c | 1699 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to copy a string."); |
4164020e SM |
1700 | goto error; |
1701 | } | |
1702 | ||
1703 | g_ptr_array_add(paths, input_copy); | |
1704 | } | |
1705 | ||
1706 | g_ptr_array_sort(paths, compare_strings); | |
1707 | ||
1708 | /* Create a separate ctf_fs_trace object for each path. */ | |
1709 | for (i = 0; i < paths->len; i++) { | |
1710 | const char *path = (const char *) g_ptr_array_index(paths, i); | |
1711 | ||
1712 | ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, path, trace_name, traces, | |
0f5c5d5c | 1713 | selfComp); |
4164020e SM |
1714 | if (ret) { |
1715 | goto end; | |
1716 | } | |
1717 | } | |
1718 | ||
a4c955d9 SM |
1719 | if (traces.size() > 1) { |
1720 | ctf_fs_trace *first_trace = traces[0].get(); | |
4164020e | 1721 | const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid; |
4164020e SM |
1722 | |
1723 | /* | |
1724 | * We have more than one trace, they must all share the same | |
1725 | * UUID, verify that. | |
1726 | */ | |
a4c955d9 SM |
1727 | for (i = 0; i < traces.size(); i++) { |
1728 | ctf_fs_trace *this_trace = traces[i].get(); | |
4164020e SM |
1729 | const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid; |
1730 | ||
1731 | if (!this_trace->metadata->tc->is_uuid_set) { | |
0f5c5d5c SM |
1732 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1733 | ctf_fs->logger, | |
1734 | "Multiple traces given, but a trace does not have a UUID: path={}", | |
4164020e SM |
1735 | this_trace->path->str); |
1736 | goto error; | |
1737 | } | |
1738 | ||
1739 | if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) { | |
1740 | char first_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1741 | char this_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1742 | ||
1743 | bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str); | |
1744 | bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str); | |
1745 | ||
0f5c5d5c SM |
1746 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1747 | "Multiple traces given, but UUIDs don't match: " | |
1748 | "first-trace-uuid={}, first-trace-path={}, " | |
1749 | "trace-uuid={}, trace-path={}", | |
1750 | first_trace_uuid_str, first_trace->path->str, | |
1751 | this_trace_uuid_str, this_trace->path->str); | |
4164020e SM |
1752 | goto error; |
1753 | } | |
1754 | } | |
1755 | ||
a4c955d9 | 1756 | ret = merge_ctf_fs_traces(std::move(traces), ctf_fs->trace); |
4164020e | 1757 | if (ret) { |
0f5c5d5c SM |
1758 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1759 | "Failed to merge traces with the same UUID."); | |
4164020e SM |
1760 | goto error; |
1761 | } | |
4164020e SM |
1762 | } else { |
1763 | /* Just one trace, it may or may not have a UUID, both are fine. */ | |
a4c955d9 | 1764 | ctf_fs->trace = std::move(traces[0]); |
4164020e SM |
1765 | } |
1766 | ||
7df773f2 | 1767 | ret = fix_packet_index_tracer_bugs(ctf_fs->trace.get()); |
4164020e | 1768 | if (ret) { |
0f5c5d5c | 1769 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to fix packet index tracer bugs."); |
4164020e SM |
1770 | } |
1771 | ||
1772 | /* | |
1773 | * Sort data stream file groups by first data stream file info | |
1774 | * path to get a deterministic order. This order influences the | |
1775 | * order of the output ports. It also influences the order of | |
1776 | * the automatic stream IDs if the trace's packet headers do not | |
1777 | * contain a `stream_instance_id` field, in which case the data | |
1778 | * stream file to stream ID association is always the same, | |
1779 | * whatever the build and the system. | |
1780 | * | |
1781 | * Having a deterministic order here can help debugging and | |
1782 | * testing. | |
1783 | */ | |
cdf7de78 SM |
1784 | std::sort(ctf_fs->trace->ds_file_groups.begin(), ctf_fs->trace->ds_file_groups.end(), |
1785 | compare_ds_file_groups_by_first_path); | |
4164020e | 1786 | goto end; |
a0cd55ad | 1787 | error: |
4164020e | 1788 | ret = -1; |
a0cd55ad | 1789 | |
f280892e | 1790 | end: |
4164020e SM |
1791 | if (paths) { |
1792 | g_ptr_array_free(paths, TRUE); | |
1793 | } | |
7b69723d | 1794 | |
4164020e | 1795 | return ret; |
f280892e SM |
1796 | } |
1797 | ||
4164020e | 1798 | static GString *get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_file_group) |
a38d7650 | 1799 | { |
4164020e SM |
1800 | GString *name; |
1801 | struct ctf_fs_ds_file_info *ds_file_info; | |
1802 | ||
1803 | name = g_string_new(NULL); | |
1804 | if (!name) { | |
1805 | goto end; | |
1806 | } | |
1807 | ||
1808 | /* | |
1809 | * If there's more than one stream file in the stream file | |
1810 | * group, the first (earliest) stream file's path is used as | |
1811 | * the stream's unique name. | |
1812 | */ | |
f3d74124 SM |
1813 | BT_ASSERT(!ds_file_group->ds_file_infos.empty()); |
1814 | ds_file_info = ds_file_group->ds_file_infos[0].get(); | |
4d199954 | 1815 | g_string_assign(name, ds_file_info->path.c_str()); |
a38d7650 SM |
1816 | |
1817 | end: | |
4164020e | 1818 | return name; |
a38d7650 SM |
1819 | } |
1820 | ||
f280892e SM |
1821 | /* Create the IR stream objects for ctf_fs_trace. */ |
1822 | ||
4164020e | 1823 | static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) |
f280892e | 1824 | { |
4164020e SM |
1825 | int ret; |
1826 | GString *name = NULL; | |
4164020e | 1827 | |
cdf7de78 SM |
1828 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
1829 | name = get_stream_instance_unique_name(ds_file_group.get()); | |
4164020e SM |
1830 | |
1831 | if (!name) { | |
1832 | goto error; | |
1833 | } | |
1834 | ||
f0940b01 SM |
1835 | BT_ASSERT(ds_file_group->sc->ir_sc); |
1836 | BT_ASSERT(ctf_fs_trace->trace); | |
1837 | ||
1838 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1839 | /* No stream ID: use 0 */ | |
1840 | ds_file_group->stream = bt_stream_create_with_id( | |
1841 | ds_file_group->sc->ir_sc, ctf_fs_trace->trace, ctf_fs_trace->next_stream_id); | |
1842 | ctf_fs_trace->next_stream_id++; | |
4164020e | 1843 | } else { |
f0940b01 SM |
1844 | /* Specific stream ID */ |
1845 | ds_file_group->stream = bt_stream_create_with_id( | |
1846 | ds_file_group->sc->ir_sc, ctf_fs_trace->trace, (uint64_t) ds_file_group->stream_id); | |
4164020e SM |
1847 | } |
1848 | ||
1849 | if (!ds_file_group->stream) { | |
0f5c5d5c SM |
1850 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1851 | "Cannot create stream for DS file group: " | |
1852 | "addr={}, stream-name=\"{}\"", | |
1853 | fmt::ptr(ds_file_group), name->str); | |
4164020e SM |
1854 | goto error; |
1855 | } | |
1856 | ||
1857 | ret = bt_stream_set_name(ds_file_group->stream, name->str); | |
1858 | if (ret) { | |
0f5c5d5c SM |
1859 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1860 | "Cannot set stream's name: " | |
1861 | "addr={}, stream-name=\"{}\"", | |
1862 | fmt::ptr(ds_file_group->stream), name->str); | |
4164020e SM |
1863 | goto error; |
1864 | } | |
1865 | ||
1866 | g_string_free(name, TRUE); | |
1867 | name = NULL; | |
1868 | } | |
1869 | ||
1870 | ret = 0; | |
1871 | goto end; | |
f280892e SM |
1872 | |
1873 | error: | |
4164020e | 1874 | ret = -1; |
f280892e SM |
1875 | |
1876 | end: | |
1877 | ||
4164020e SM |
1878 | if (name) { |
1879 | g_string_free(name, TRUE); | |
1880 | } | |
1881 | return ret; | |
f280892e SM |
1882 | } |
1883 | ||
88730e42 SM |
1884 | static const bt_param_validation_value_descr inputs_elem_descr = |
1885 | bt_param_validation_value_descr::makeString(); | |
087cd0f5 SM |
1886 | |
1887 | static bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = { | |
88730e42 SM |
1888 | {"inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, |
1889 | bt_param_validation_value_descr::makeArray(1, BT_PARAM_VALIDATION_INFINITE, | |
1890 | inputs_elem_descr)}, | |
1891 | {"trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1892 | bt_param_validation_value_descr::makeString()}, | |
1893 | {"clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1894 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1895 | {"clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1896 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1897 | {"force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1898 | bt_param_validation_value_descr::makeBool()}, | |
4164020e SM |
1899 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END}; |
1900 | ||
1901 | bool read_src_fs_parameters(const bt_value *params, const bt_value **inputs, | |
0f5c5d5c | 1902 | const bt_value **trace_name, struct ctf_fs_component *ctf_fs) |
4164020e SM |
1903 | { |
1904 | bool ret; | |
1905 | const bt_value *value; | |
4164020e SM |
1906 | enum bt_param_validation_status validate_value_status; |
1907 | gchar *error = NULL; | |
1908 | ||
1909 | validate_value_status = bt_param_validation_validate(params, fs_params_entries_descr, &error); | |
1910 | if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) { | |
0f5c5d5c | 1911 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "{}", error); |
4164020e SM |
1912 | ret = false; |
1913 | goto end; | |
1914 | } | |
1915 | ||
1916 | /* inputs parameter */ | |
1917 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
1918 | ||
1919 | /* clock-class-offset-s parameter */ | |
1920 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-s"); | |
1921 | if (value) { | |
c942e7a2 | 1922 | ctf_fs->clkClsCfg.offsetSec = bt_value_integer_signed_get(value); |
4164020e SM |
1923 | } |
1924 | ||
1925 | /* clock-class-offset-ns parameter */ | |
1926 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-ns"); | |
1927 | if (value) { | |
c942e7a2 | 1928 | ctf_fs->clkClsCfg.offsetNanoSec = bt_value_integer_signed_get(value); |
4164020e SM |
1929 | } |
1930 | ||
1931 | /* force-clock-class-origin-unix-epoch parameter */ | |
1932 | value = bt_value_map_borrow_entry_value_const(params, "force-clock-class-origin-unix-epoch"); | |
1933 | if (value) { | |
c942e7a2 | 1934 | ctf_fs->clkClsCfg.forceOriginIsUnixEpoch = bt_value_bool_get(value); |
4164020e SM |
1935 | } |
1936 | ||
1937 | /* trace-name parameter */ | |
1938 | *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name"); | |
1939 | ||
1940 | ret = true; | |
d907165c SM |
1941 | |
1942 | end: | |
4164020e SM |
1943 | g_free(error); |
1944 | return ret; | |
d907165c SM |
1945 | } |
1946 | ||
f340a3e8 SM |
1947 | static ctf_fs_component::UP ctf_fs_create(const bt_value *params, |
1948 | bt_self_component_source *self_comp_src) | |
56a1cced | 1949 | { |
4164020e SM |
1950 | const bt_value *inputs_value; |
1951 | const bt_value *trace_name_value; | |
1952 | bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1953 | |
f340a3e8 | 1954 | ctf_fs_component::UP ctf_fs = ctf_fs_component_create( |
0f5c5d5c | 1955 | bt2c::Logger {bt2::SelfSourceComponent {self_comp_src}, "PLUGIN/SRC.CTF.FS/COMP"}); |
4164020e | 1956 | if (!ctf_fs) { |
f340a3e8 | 1957 | return nullptr; |
4164020e | 1958 | } |
f280892e | 1959 | |
f340a3e8 SM |
1960 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs.get())) { |
1961 | return nullptr; | |
4164020e | 1962 | } |
56a1cced | 1963 | |
f340a3e8 SM |
1964 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs.get(), inputs_value, trace_name_value, |
1965 | self_comp)) { | |
1966 | return nullptr; | |
4164020e | 1967 | } |
4f1f88a6 | 1968 | |
7df773f2 | 1969 | if (create_streams_for_trace(ctf_fs->trace.get())) { |
f340a3e8 | 1970 | return nullptr; |
4164020e | 1971 | } |
f280892e | 1972 | |
7df773f2 | 1973 | if (create_ports_for_trace(ctf_fs.get(), ctf_fs->trace.get(), self_comp_src)) { |
f340a3e8 | 1974 | return nullptr; |
4164020e | 1975 | } |
4f1f88a6 | 1976 | |
4164020e | 1977 | return ctf_fs; |
56a1cced JG |
1978 | } |
1979 | ||
50b9f4b5 SM |
1980 | bt_component_class_initialize_method_status ctf_fs_init(bt_self_component_source *self_comp_src, |
1981 | bt_self_component_source_configuration *, | |
1982 | const bt_value *params, void *) | |
ea0b4b9e | 1983 | { |
1e690349 | 1984 | try { |
1e690349 SM |
1985 | bt_component_class_initialize_method_status ret = |
1986 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
1987 | ||
f340a3e8 | 1988 | ctf_fs_component::UP ctf_fs = ctf_fs_create(params, self_comp_src); |
1e690349 SM |
1989 | if (!ctf_fs) { |
1990 | ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
1991 | } | |
ea0b4b9e | 1992 | |
f340a3e8 SM |
1993 | bt_self_component_set_data(bt_self_component_source_as_self_component(self_comp_src), |
1994 | ctf_fs.release()); | |
1e690349 SM |
1995 | return ret; |
1996 | } catch (const std::bad_alloc&) { | |
1997 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
1998 | } catch (const bt2::Error&) { | |
1999 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
4164020e | 2000 | } |
ea0b4b9e | 2001 | } |
33f93973 | 2002 | |
0f5c5d5c | 2003 | bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class_src, |
4164020e SM |
2004 | bt_private_query_executor *priv_query_exec, |
2005 | const char *object, const bt_value *params, | |
2006 | __attribute__((unused)) void *method_data, | |
2007 | const bt_value **result) | |
33f93973 | 2008 | { |
1e690349 | 2009 | try { |
1e690349 SM |
2010 | bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src}, |
2011 | bt2::PrivateQueryExecutor {priv_query_exec}, | |
2012 | "PLUGIN/SRC.CTF.FS/QUERY"}; | |
c02af779 SM |
2013 | bt2::ConstMapValue paramsObj(params); |
2014 | bt2::Value::Shared resultObj; | |
1e690349 SM |
2015 | |
2016 | if (strcmp(object, "metadata-info") == 0) { | |
c02af779 | 2017 | resultObj = metadata_info_query(paramsObj, logger); |
1e690349 | 2018 | } else if (strcmp(object, "babeltrace.trace-infos") == 0) { |
c02af779 | 2019 | resultObj = trace_infos_query(paramsObj, logger); |
1e690349 | 2020 | } else if (!strcmp(object, "babeltrace.support-info")) { |
c02af779 | 2021 | resultObj = support_info_query(paramsObj, logger); |
1e690349 SM |
2022 | } else { |
2023 | BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object); | |
c02af779 | 2024 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
1e690349 | 2025 | } |
c02af779 SM |
2026 | |
2027 | *result = resultObj.release().libObjPtr(); | |
2028 | ||
2029 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
1e690349 SM |
2030 | } catch (const std::bad_alloc&) { |
2031 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
2032 | } catch (const bt2::Error&) { | |
2033 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
2034 | } | |
33f93973 | 2035 | } |