Commit | Line | Data |
---|---|---|
7a278c8e | 1 | /* |
ea0b4b9e | 2 | * fs.c |
7a278c8e | 3 | * |
ea0b4b9e | 4 | * Babeltrace CTF file system Reader Component |
7a278c8e | 5 | * |
1a9f7075 | 6 | * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com> |
f3bc2010 | 7 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e | 8 | * |
7a278c8e JG |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
4c65a157 | 28 | #define BT_COMP_LOG_SELF_COMP self_comp |
98903a3e PP |
29 | #define BT_LOG_OUTPUT_LEVEL log_level |
30 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS" | |
4c65a157 | 31 | #include "plugins/comp-logging.h" |
98903a3e | 32 | |
578e048b | 33 | #include "common/common.h" |
3fadfbc0 | 34 | #include <babeltrace2/babeltrace.h> |
578e048b | 35 | #include "compat/uuid.h" |
ea0b4b9e | 36 | #include <glib.h> |
578e048b | 37 | #include "common/assert.h" |
94cf822e | 38 | #include <inttypes.h> |
c55a9f58 | 39 | #include <stdbool.h> |
56a1cced | 40 | #include "fs.h" |
413bc2c4 | 41 | #include "metadata.h" |
94cf822e | 42 | #include "data-stream-file.h" |
e7a4393b | 43 | #include "file.h" |
1e649dff | 44 | #include "../common/metadata/decoder.h" |
d6e69534 | 45 | #include "../common/msg-iter/msg-iter.h" |
04c0ba87 | 46 | #include "query.h" |
e7a4393b | 47 | |
94cf822e | 48 | static |
d6e69534 | 49 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
50 | { |
51 | struct ctf_fs_ds_file_info *ds_file_info; | |
52 | int ret = 0; | |
53 | ||
d6e69534 PP |
54 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
55 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 56 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
57 | msg_iter_data->ds_file_group->ds_file_infos, |
58 | msg_iter_data->ds_file_info_index); | |
59 | ||
60 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
61 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
62 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
63 | msg_iter_data->pc_msg_iter, | |
64 | msg_iter_data->msg_iter, | |
65 | msg_iter_data->ds_file_group->stream, | |
98903a3e PP |
66 | ds_file_info->path->str, |
67 | msg_iter_data->log_level); | |
d6e69534 | 68 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
69 | ret = -1; |
70 | } | |
71 | ||
72 | return ret; | |
73 | } | |
74 | ||
75 | static | |
d6e69534 PP |
76 | void ctf_fs_msg_iter_data_destroy( |
77 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 78 | { |
d6e69534 | 79 | if (!msg_iter_data) { |
94cf822e PP |
80 | return; |
81 | } | |
82 | ||
d6e69534 | 83 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 84 | |
d6e69534 PP |
85 | if (msg_iter_data->msg_iter) { |
86 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
87 | } |
88 | ||
d6e69534 | 89 | g_free(msg_iter_data); |
94cf822e PP |
90 | } |
91 | ||
fc917f65 PP |
92 | static |
93 | void set_msg_iter_emits_stream_beginning_end_messages( | |
94 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
95 | { | |
96 | bt_msg_iter_set_emit_stream_beginning_message( | |
97 | msg_iter_data->ds_file->msg_iter, | |
98 | msg_iter_data->ds_file_info_index == 0); | |
99 | bt_msg_iter_set_emit_stream_end_message( | |
100 | msg_iter_data->ds_file->msg_iter, | |
101 | msg_iter_data->ds_file_info_index == | |
102 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
103 | } | |
104 | ||
d4393e08 | 105 | static |
4cdfc5e8 | 106 | bt_self_message_iterator_status ctf_fs_iterator_next_one( |
d6e69534 | 107 | struct ctf_fs_msg_iter_data *msg_iter_data, |
fc917f65 | 108 | const bt_message **out_msg) |
ea0b4b9e | 109 | { |
4cdfc5e8 | 110 | bt_self_message_iterator_status status; |
94cf822e | 111 | |
d6e69534 | 112 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 113 | |
fc917f65 PP |
114 | while (true) { |
115 | bt_message *msg; | |
116 | ||
117 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
118 | switch (status) { | |
119 | case BT_SELF_MESSAGE_ITERATOR_STATUS_OK: | |
120 | *out_msg = msg; | |
121 | msg = NULL; | |
f42867e2 | 122 | goto end; |
fc917f65 PP |
123 | case BT_SELF_MESSAGE_ITERATOR_STATUS_END: |
124 | { | |
125 | int ret; | |
f42867e2 | 126 | |
fc917f65 PP |
127 | if (msg_iter_data->ds_file_info_index == |
128 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
129 | /* End of all group's stream files */ | |
130 | goto end; | |
131 | } | |
132 | ||
133 | msg_iter_data->ds_file_info_index++; | |
495490c5 PP |
134 | bt_msg_iter_reset_for_next_stream_file( |
135 | msg_iter_data->msg_iter); | |
fc917f65 PP |
136 | set_msg_iter_emits_stream_beginning_end_messages( |
137 | msg_iter_data); | |
94cf822e | 138 | |
94cf822e | 139 | /* |
fc917f65 PP |
140 | * Open and start reading the next stream file |
141 | * within our stream file group. | |
94cf822e | 142 | */ |
fc917f65 PP |
143 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
144 | if (ret) { | |
145 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
146 | goto end; | |
147 | } | |
148 | ||
149 | /* Continue the loop to get the next message */ | |
150 | break; | |
94cf822e | 151 | } |
fc917f65 | 152 | default: |
94cf822e PP |
153 | goto end; |
154 | } | |
94cf822e | 155 | } |
d01e0f33 | 156 | |
94cf822e | 157 | end: |
d4393e08 PP |
158 | return status; |
159 | } | |
160 | ||
161 | BT_HIDDEN | |
4cdfc5e8 | 162 | bt_self_message_iterator_status ctf_fs_iterator_next( |
d6e69534 PP |
163 | bt_self_message_iterator *iterator, |
164 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
165 | uint64_t *count) |
166 | { | |
4cdfc5e8 | 167 | bt_self_message_iterator_status status = |
d6e69534 PP |
168 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
169 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
170 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
171 | uint64_t i = 0; |
172 | ||
d6e69534 PP |
173 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
174 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
175 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
176 | i++; |
177 | } | |
178 | } | |
179 | ||
180 | if (i > 0) { | |
181 | /* | |
182 | * Even if ctf_fs_iterator_next_one() returned something | |
d6e69534 PP |
183 | * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
184 | * accumulated message objects in the output | |
185 | * message array, so we need to return | |
186 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are | |
d4393e08 | 187 | * transfered to downstream. This other status occurs |
d6e69534 | 188 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 189 | * called, possibly without any accumulated |
d6e69534 | 190 | * message, in which case we'll return it. |
d4393e08 PP |
191 | */ |
192 | *count = i; | |
d6e69534 | 193 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
194 | } |
195 | ||
196 | return status; | |
ea0b4b9e | 197 | } |
bfd20a42 | 198 | |
6a9bb5e9 PP |
199 | static |
200 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
201 | { | |
202 | int ret; | |
203 | ||
204 | msg_iter_data->ds_file_info_index = 0; | |
205 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
206 | if (ret) { | |
207 | goto end; | |
208 | } | |
209 | ||
210 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
211 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
212 | ||
213 | end: | |
214 | return ret; | |
215 | } | |
216 | ||
217 | BT_HIDDEN | |
218 | bt_self_message_iterator_status ctf_fs_iterator_seek_beginning( | |
219 | bt_self_message_iterator *it) | |
220 | { | |
221 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
222 | bt_self_message_iterator_get_data(it); | |
223 | bt_self_message_iterator_status status = | |
224 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
225 | ||
226 | BT_ASSERT(msg_iter_data); | |
227 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
228 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
229 | } | |
230 | ||
231 | return status; | |
232 | } | |
233 | ||
234 | BT_HIDDEN | |
d6e69534 | 235 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 236 | { |
d6e69534 PP |
237 | ctf_fs_msg_iter_data_destroy( |
238 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
239 | } |
240 | ||
6a9bb5e9 | 241 | BT_HIDDEN |
4cdfc5e8 | 242 | bt_self_message_iterator_status ctf_fs_iterator_init( |
d6e69534 | 243 | bt_self_message_iterator *self_msg_iter, |
4c65a157 | 244 | bt_self_component_source *self_comp_src, |
b19ff26f | 245 | bt_self_component_port_output *self_port) |
4c1456f0 | 246 | { |
4f1f88a6 | 247 | struct ctf_fs_port_data *port_data; |
d6e69534 | 248 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
4cdfc5e8 | 249 | bt_self_message_iterator_status ret = |
d6e69534 | 250 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
98903a3e | 251 | bt_logging_level log_level; |
4c65a157 | 252 | bt_self_component *self_comp; |
760051fa | 253 | |
d94d92ac | 254 | port_data = bt_self_component_port_get_data( |
707b7d35 | 255 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
256 | self_port)); |
257 | BT_ASSERT(port_data); | |
98903a3e | 258 | log_level = port_data->ctf_fs->log_level; |
4c65a157 | 259 | self_comp = port_data->ctf_fs->self_comp; |
d6e69534 PP |
260 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
261 | if (!msg_iter_data) { | |
262 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
94cf822e PP |
263 | goto error; |
264 | } | |
265 | ||
98903a3e | 266 | msg_iter_data->log_level = log_level; |
4c65a157 | 267 | msg_iter_data->self_comp = self_comp; |
d6e69534 PP |
268 | msg_iter_data->pc_msg_iter = self_msg_iter; |
269 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 270 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
98903a3e | 271 | bt_common_get_page_size(msg_iter_data->log_level) * 8, |
4c65a157 PP |
272 | ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level, |
273 | self_comp); | |
d6e69534 | 274 | if (!msg_iter_data->msg_iter) { |
4c65a157 | 275 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
d6e69534 | 276 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
6de92955 PP |
277 | goto error; |
278 | } | |
279 | ||
d6e69534 | 280 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
6a9bb5e9 | 281 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
d6e69534 | 282 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
4f1f88a6 | 283 | goto error; |
760051fa JG |
284 | } |
285 | ||
d6e69534 PP |
286 | bt_self_message_iterator_set_data(self_msg_iter, |
287 | msg_iter_data); | |
288 | if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
4f1f88a6 | 289 | goto error; |
760051fa JG |
290 | } |
291 | ||
d6e69534 | 292 | msg_iter_data = NULL; |
4f1f88a6 | 293 | goto end; |
5b29e799 | 294 | |
4f1f88a6 | 295 | error: |
d6e69534 | 296 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 297 | |
760051fa | 298 | end: |
d6e69534 | 299 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
300 | return ret; |
301 | } | |
302 | ||
f280892e | 303 | BT_HIDDEN |
1a9f7075 | 304 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 305 | { |
4f1f88a6 | 306 | if (!ctf_fs) { |
8fa760ba JG |
307 | return; |
308 | } | |
4f1f88a6 | 309 | |
1a9f7075 PP |
310 | if (ctf_fs->traces) { |
311 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 312 | } |
4f1f88a6 PP |
313 | |
314 | if (ctf_fs->port_data) { | |
315 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 316 | } |
760051fa | 317 | |
1a9f7075 PP |
318 | g_free(ctf_fs); |
319 | } | |
320 | ||
f280892e SM |
321 | static |
322 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
323 | { | |
324 | if (!port_data) { | |
325 | return; | |
326 | } | |
327 | ||
328 | g_free(port_data); | |
329 | } | |
330 | ||
331 | static | |
332 | void port_data_destroy_notifier(void *data) { | |
333 | port_data_destroy(data); | |
334 | } | |
335 | ||
336 | static | |
97ade20b | 337 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 338 | { |
1a9f7075 PP |
339 | if (!ctf_fs_trace) { |
340 | return; | |
341 | } | |
342 | ||
94cf822e PP |
343 | if (ctf_fs_trace->ds_file_groups) { |
344 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
345 | } | |
346 | ||
c5b9b441 | 347 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 348 | |
1a9f7075 PP |
349 | if (ctf_fs_trace->path) { |
350 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 351 | } |
760051fa | 352 | |
1a9f7075 PP |
353 | if (ctf_fs_trace->name) { |
354 | g_string_free(ctf_fs_trace->name, TRUE); | |
355 | } | |
356 | ||
357 | if (ctf_fs_trace->metadata) { | |
358 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
359 | g_free(ctf_fs_trace->metadata); | |
360 | } | |
361 | ||
1a9f7075 | 362 | g_free(ctf_fs_trace); |
4c1456f0 JG |
363 | } |
364 | ||
97ade20b | 365 | static |
56a924f4 | 366 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
367 | { |
368 | struct ctf_fs_trace *trace = data; | |
369 | ctf_fs_trace_destroy(trace); | |
370 | } | |
371 | ||
4c65a157 PP |
372 | struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level, |
373 | bt_self_component *self_comp) | |
a4792757 | 374 | { |
f280892e | 375 | struct ctf_fs_component *ctf_fs; |
a4792757 | 376 | |
f280892e SM |
377 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
378 | if (!ctf_fs) { | |
379 | goto error; | |
380 | } | |
4f1f88a6 | 381 | |
98903a3e | 382 | ctf_fs->log_level = log_level; |
4c65a157 | 383 | ctf_fs->self_comp = self_comp; |
f280892e SM |
384 | ctf_fs->port_data = |
385 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
386 | if (!ctf_fs->port_data) { | |
387 | goto error; | |
4f1f88a6 PP |
388 | } |
389 | ||
f280892e SM |
390 | ctf_fs->traces = |
391 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
392 | if (!ctf_fs->traces) { | |
393 | goto error; | |
394 | } | |
395 | ||
396 | goto end; | |
397 | ||
398 | error: | |
399 | if (ctf_fs) { | |
400 | ctf_fs_destroy(ctf_fs); | |
401 | } | |
402 | ||
403 | end: | |
404 | return ctf_fs; | |
405 | } | |
406 | ||
407 | void ctf_fs_finalize(bt_self_component_source *component) | |
408 | { | |
409 | ctf_fs_destroy(bt_self_component_get_data( | |
410 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
411 | } |
412 | ||
a38d7650 | 413 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 414 | { |
a38d7650 | 415 | GString *name = g_string_new(NULL); |
547eacf1 | 416 | |
a38d7650 SM |
417 | /* |
418 | * The unique port name is generated by concatenating unique identifiers | |
419 | * for: | |
420 | * | |
421 | * - the trace | |
422 | * - the stream class | |
423 | * - the stream | |
424 | */ | |
425 | ||
426 | /* For the trace, use the uuid if present, else the path. */ | |
427 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
428 | char uuid_str[BABELTRACE_UUID_STR_LEN]; | |
429 | ||
430 | bt_uuid_unparse(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
431 | g_string_assign(name, uuid_str); | |
432 | } else { | |
433 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
547eacf1 PP |
434 | } |
435 | ||
436 | /* | |
a38d7650 SM |
437 | * For the stream class, use the id if present. We can omit this field |
438 | * otherwise, as there will only be a single stream class. | |
547eacf1 | 439 | */ |
a38d7650 SM |
440 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
441 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
442 | } | |
547eacf1 | 443 | |
a38d7650 SM |
444 | /* For the stream, use the id if present, else, use the path. */ |
445 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
446 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
447 | } else { | |
448 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
449 | struct ctf_fs_ds_file_info *ds_file_info = | |
450 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
451 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
452 | } | |
453 | ||
454 | return g_string_free(name, FALSE); | |
547eacf1 PP |
455 | } |
456 | ||
5b29e799 | 457 | static |
55314f2a JG |
458 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
459 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 460 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 461 | { |
4f1f88a6 | 462 | int ret = 0; |
4f1f88a6 | 463 | struct ctf_fs_port_data *port_data = NULL; |
a38d7650 | 464 | gchar *port_name; |
98903a3e | 465 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 466 | bt_self_component *self_comp = ctf_fs->self_comp; |
4f1f88a6 | 467 | |
a38d7650 | 468 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
469 | if (!port_name) { |
470 | goto error; | |
471 | } | |
472 | ||
4c65a157 | 473 | BT_COMP_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
474 | |
475 | /* Create output port for this file */ | |
4f1f88a6 PP |
476 | port_data = g_new0(struct ctf_fs_port_data, 1); |
477 | if (!port_data) { | |
478 | goto error; | |
479 | } | |
480 | ||
5c563278 | 481 | port_data->ctf_fs = ctf_fs; |
94cf822e | 482 | port_data->ds_file_group = ds_file_group; |
d94d92ac | 483 | ret = bt_self_component_source_add_output_port( |
4c65a157 | 484 | ctf_fs->self_comp_src, port_name, port_data, NULL); |
147337a3 | 485 | if (ret) { |
4f1f88a6 PP |
486 | goto error; |
487 | } | |
488 | ||
489 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
490 | port_data = NULL; | |
491 | goto end; | |
492 | ||
493 | error: | |
494 | ret = -1; | |
495 | ||
496 | end: | |
497 | if (port_name) { | |
a38d7650 | 498 | g_free(port_name); |
4f1f88a6 PP |
499 | } |
500 | ||
4f1f88a6 PP |
501 | port_data_destroy(port_data); |
502 | return ret; | |
5b29e799 JG |
503 | } |
504 | ||
505 | static | |
55314f2a JG |
506 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
507 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
508 | { |
509 | int ret = 0; | |
94cf822e | 510 | size_t i; |
98903a3e | 511 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 512 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e PP |
513 | |
514 | /* Create one output port for each stream file group */ | |
515 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
516 | struct ctf_fs_ds_file_group *ds_file_group = | |
517 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
518 | ||
55314f2a JG |
519 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
520 | ds_file_group); | |
94cf822e | 521 | if (ret) { |
4c65a157 | 522 | BT_COMP_LOGE("Cannot create output port."); |
94cf822e PP |
523 | goto end; |
524 | } | |
525 | } | |
526 | ||
527 | end: | |
528 | return ret; | |
529 | } | |
530 | ||
94cf822e PP |
531 | static |
532 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
533 | { | |
534 | if (!ds_file_info) { | |
535 | return; | |
536 | } | |
537 | ||
538 | if (ds_file_info->path) { | |
539 | g_string_free(ds_file_info->path, TRUE); | |
540 | } | |
541 | ||
542 | g_free(ds_file_info); | |
543 | } | |
544 | ||
545 | static | |
546 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
7ed5243a | 547 | int64_t begin_ns) |
94cf822e PP |
548 | { |
549 | struct ctf_fs_ds_file_info *ds_file_info; | |
550 | ||
551 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
552 | if (!ds_file_info) { | |
553 | goto end; | |
554 | } | |
555 | ||
556 | ds_file_info->path = g_string_new(path); | |
557 | if (!ds_file_info->path) { | |
558 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
559 | ds_file_info = NULL; | |
560 | goto end; | |
561 | } | |
562 | ||
563 | ds_file_info->begin_ns = begin_ns; | |
564 | ||
565 | end: | |
566 | return ds_file_info; | |
567 | } | |
568 | ||
569 | static | |
570 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
571 | { | |
572 | if (!ds_file_group) { | |
573 | return; | |
574 | } | |
575 | ||
576 | if (ds_file_group->ds_file_infos) { | |
577 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
578 | } | |
579 | ||
7ed5243a FD |
580 | if (ds_file_group->index) { |
581 | if (ds_file_group->index->entries) { | |
582 | g_ptr_array_free(ds_file_group->index->entries, TRUE); | |
583 | } | |
584 | g_free(ds_file_group->index); | |
585 | } | |
586 | ||
c5b9b441 | 587 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
588 | g_free(ds_file_group); |
589 | } | |
590 | ||
591 | static | |
592 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
593 | struct ctf_fs_trace *ctf_fs_trace, | |
60363f2f | 594 | struct ctf_stream_class *sc, |
7ed5243a FD |
595 | uint64_t stream_instance_id, |
596 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
597 | { |
598 | struct ctf_fs_ds_file_group *ds_file_group; | |
599 | ||
94cf822e PP |
600 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
601 | if (!ds_file_group) { | |
602 | goto error; | |
603 | } | |
604 | ||
605 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
606 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
607 | if (!ds_file_group->ds_file_infos) { | |
608 | goto error; | |
609 | } | |
610 | ||
7ed5243a FD |
611 | ds_file_group->index = index; |
612 | ||
547eacf1 | 613 | ds_file_group->stream_id = stream_instance_id; |
60363f2f PP |
614 | BT_ASSERT(sc); |
615 | ds_file_group->sc = sc; | |
94cf822e | 616 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
617 | goto end; |
618 | ||
619 | error: | |
620 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
7ed5243a | 621 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
622 | ds_file_group = NULL; |
623 | ||
624 | end: | |
625 | return ds_file_group; | |
626 | } | |
627 | ||
8bf7105e MJ |
628 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
629 | static | |
630 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
631 | { | |
632 | size_t original_array_len = array->len; | |
633 | ||
634 | /* Allocate an unused element at the end of the array. */ | |
635 | g_ptr_array_add(array, NULL); | |
636 | ||
637 | /* If we are not inserting at the end, move the elements by one. */ | |
638 | if (pos < original_array_len) { | |
639 | memmove(&(array->pdata[pos + 1]), | |
640 | &(array->pdata[pos]), | |
641 | (original_array_len - pos) * sizeof(gpointer)); | |
642 | } | |
643 | ||
f897d50c | 644 | /* Insert the value. */ |
8bf7105e MJ |
645 | array->pdata[pos] = element; |
646 | } | |
647 | ||
41a65f30 SM |
648 | /* |
649 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
650 | * place to keep it sorted. | |
651 | */ | |
652 | ||
653 | static | |
654 | void ds_file_group_insert_ds_file_info_sorted( | |
655 | struct ctf_fs_ds_file_group *ds_file_group, | |
656 | struct ctf_fs_ds_file_info *ds_file_info) | |
657 | { | |
658 | guint i; | |
659 | ||
660 | /* Find the spot where to insert this ds_file_info. */ | |
661 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
662 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
663 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
664 | ||
665 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
666 | break; | |
667 | } | |
668 | } | |
669 | ||
670 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
671 | } | |
672 | ||
7ed5243a FD |
673 | static |
674 | void ds_file_group_insert_ds_index_entry_sorted( | |
675 | struct ctf_fs_ds_file_group *ds_file_group, | |
676 | struct ctf_fs_ds_index_entry *entry) | |
677 | { | |
678 | guint i; | |
679 | ||
680 | /* Find the spot where to insert this index entry. */ | |
681 | for (i = 0; i < ds_file_group->index->entries->len; i++) { | |
682 | struct ctf_fs_ds_index_entry *other_entry = g_ptr_array_index( | |
683 | ds_file_group->index->entries, i); | |
684 | ||
685 | if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) { | |
686 | break; | |
687 | } | |
688 | } | |
689 | ||
690 | array_insert(ds_file_group->index->entries, entry, i); | |
691 | } | |
692 | ||
41a65f30 SM |
693 | /* |
694 | * Create a new ds_file_info using the provided path, begin_ns and index, then | |
695 | * add it to ds_file_group's list of ds_file_infos. | |
696 | */ | |
697 | ||
94cf822e PP |
698 | static |
699 | int ctf_fs_ds_file_group_add_ds_file_info( | |
700 | struct ctf_fs_ds_file_group *ds_file_group, | |
7ed5243a | 701 | const char *path, int64_t begin_ns) |
94cf822e PP |
702 | { |
703 | struct ctf_fs_ds_file_info *ds_file_info; | |
94cf822e PP |
704 | int ret = 0; |
705 | ||
7ed5243a | 706 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
94cf822e PP |
707 | if (!ds_file_info) { |
708 | goto error; | |
709 | } | |
710 | ||
41a65f30 | 711 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e | 712 | |
94cf822e PP |
713 | ds_file_info = NULL; |
714 | goto end; | |
715 | ||
716 | error: | |
717 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
718 | ret = -1; | |
94cf822e PP |
719 | end: |
720 | return ret; | |
721 | } | |
722 | ||
723 | static | |
724 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 725 | const char *path) |
94cf822e | 726 | { |
44c440bc PP |
727 | int64_t stream_instance_id = -1; |
728 | int64_t begin_ns = -1; | |
94cf822e PP |
729 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
730 | bool add_group = false; | |
731 | int ret; | |
732 | size_t i; | |
6de92955 | 733 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 734 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 735 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 736 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 737 | struct bt_msg_iter_packet_properties props; |
98903a3e | 738 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 739 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e | 740 | |
d6e69534 | 741 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
98903a3e | 742 | bt_common_get_page_size(log_level) * 8, |
4c65a157 | 743 | ctf_fs_ds_file_medops, NULL, log_level, self_comp); |
d6e69534 | 744 | if (!msg_iter) { |
4c65a157 | 745 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
6de92955 PP |
746 | goto error; |
747 | } | |
748 | ||
d6e69534 | 749 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
98903a3e | 750 | NULL, path, log_level); |
97ade20b JG |
751 | if (!ds_file) { |
752 | goto error; | |
753 | } | |
754 | ||
41693723 | 755 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 756 | if (ret) { |
4c65a157 | 757 | BT_COMP_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
758 | path); |
759 | goto error; | |
760 | } | |
761 | ||
44c440bc PP |
762 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
763 | props.stream_class_id); | |
764 | BT_ASSERT(sc); | |
44c440bc PP |
765 | stream_instance_id = props.data_stream_id; |
766 | ||
767 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
768 | BT_ASSERT(sc->default_clock_class); | |
0f2d58c9 PP |
769 | ret = bt_util_clock_cycles_to_ns_from_origin( |
770 | props.snapshots.beginning_clock, | |
771 | sc->default_clock_class->frequency, | |
772 | sc->default_clock_class->offset_seconds, | |
773 | sc->default_clock_class->offset_cycles, &begin_ns); | |
44c440bc | 774 | if (ret) { |
4c65a157 | 775 | BT_COMP_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", |
44c440bc PP |
776 | path); |
777 | goto error; | |
778 | } | |
94cf822e PP |
779 | } |
780 | ||
97ade20b JG |
781 | index = ctf_fs_ds_file_build_index(ds_file); |
782 | if (!index) { | |
4c65a157 | 783 | BT_COMP_LOGW("Failed to index CTF stream file \'%s\'", |
97ade20b JG |
784 | ds_file->file->path->str); |
785 | } | |
786 | ||
44c440bc | 787 | if (begin_ns == -1) { |
94cf822e PP |
788 | /* |
789 | * No beggining timestamp to sort the stream files | |
790 | * within a stream file group, so consider that this | |
791 | * file must be the only one within its group. | |
792 | */ | |
44c440bc | 793 | stream_instance_id = -1; |
94cf822e PP |
794 | } |
795 | ||
44c440bc | 796 | if (stream_instance_id == -1) { |
94cf822e PP |
797 | /* |
798 | * No stream instance ID or no beginning timestamp: | |
799 | * create a unique stream file group for this stream | |
800 | * file because, even if there's a stream instance ID, | |
801 | * there's no timestamp to order the file within its | |
802 | * group. | |
803 | */ | |
94cf822e | 804 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
7ed5243a FD |
805 | sc, UINT64_C(-1), index); |
806 | /* Ownership of index is transferred. */ | |
807 | index = NULL; | |
808 | ||
94cf822e PP |
809 | if (!ds_file_group) { |
810 | goto error; | |
811 | } | |
812 | ||
813 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
7ed5243a | 814 | path, begin_ns); |
94cf822e PP |
815 | if (ret) { |
816 | goto error; | |
817 | } | |
818 | ||
819 | add_group = true; | |
820 | goto end; | |
821 | } | |
822 | ||
44c440bc PP |
823 | BT_ASSERT(stream_instance_id != -1); |
824 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
825 | |
826 | /* Find an existing stream file group with this ID */ | |
827 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
828 | ds_file_group = g_ptr_array_index( |
829 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 830 | |
60363f2f | 831 | if (ds_file_group->sc == sc && |
547eacf1 PP |
832 | ds_file_group->stream_id == |
833 | stream_instance_id) { | |
94cf822e PP |
834 | break; |
835 | } | |
836 | ||
837 | ds_file_group = NULL; | |
838 | } | |
839 | ||
840 | if (!ds_file_group) { | |
841 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
7ed5243a FD |
842 | sc, stream_instance_id, index); |
843 | /* Ownership of index is transferred. */ | |
844 | index = NULL; | |
94cf822e PP |
845 | if (!ds_file_group) { |
846 | goto error; | |
847 | } | |
848 | ||
849 | add_group = true; | |
850 | } | |
851 | ||
547eacf1 | 852 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
7ed5243a | 853 | begin_ns); |
94cf822e PP |
854 | if (ret) { |
855 | goto error; | |
856 | } | |
857 | ||
858 | goto end; | |
859 | ||
860 | error: | |
861 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
90e1eb09 | 862 | ds_file_group = NULL; |
94cf822e PP |
863 | ret = -1; |
864 | ||
865 | end: | |
866 | if (add_group && ds_file_group) { | |
867 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
868 | } | |
547eacf1 | 869 | |
97ade20b | 870 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 871 | |
d6e69534 PP |
872 | if (msg_iter) { |
873 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
874 | } |
875 | ||
97ade20b | 876 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
877 | return ret; |
878 | } | |
879 | ||
880 | static | |
e5be10ef | 881 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
882 | { |
883 | int ret = 0; | |
4f1f88a6 | 884 | const char *basename; |
e7a4393b | 885 | GError *error = NULL; |
4f1f88a6 | 886 | GDir *dir = NULL; |
98903a3e | 887 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 888 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
e7a4393b | 889 | |
94cf822e | 890 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 891 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 892 | if (!dir) { |
4c65a157 | 893 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 894 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 895 | error->code); |
e7a4393b JG |
896 | goto error; |
897 | } | |
898 | ||
4f1f88a6 | 899 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
900 | struct ctf_fs_file *file; |
901 | ||
4f1f88a6 | 902 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 903 | /* Ignore the metadata stream. */ |
4c65a157 | 904 | BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 905 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
906 | continue; |
907 | } | |
908 | ||
4f1f88a6 | 909 | if (basename[0] == '.') { |
4c65a157 | 910 | BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 911 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
912 | continue; |
913 | } | |
914 | ||
915 | /* Create the file. */ | |
4c65a157 | 916 | file = ctf_fs_file_create(log_level, self_comp); |
e7a4393b | 917 | if (!file) { |
4c65a157 | 918 | BT_COMP_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 919 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
920 | goto error; |
921 | } | |
922 | ||
923 | /* Create full path string. */ | |
3743a302 | 924 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 925 | ctf_fs_trace->path->str, basename); |
e7a4393b | 926 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4c65a157 | 927 | BT_COMP_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 928 | file->path->str); |
e7a4393b | 929 | ctf_fs_file_destroy(file); |
4f1f88a6 | 930 | file = NULL; |
e7a4393b JG |
931 | continue; |
932 | } | |
933 | ||
55314f2a | 934 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 935 | if (ret) { |
4c65a157 | 936 | BT_COMP_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
937 | goto error; |
938 | } | |
939 | ||
9fa0891a JG |
940 | if (file->size == 0) { |
941 | /* Skip empty stream. */ | |
4c65a157 | 942 | BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
943 | ctf_fs_file_destroy(file); |
944 | continue; | |
945 | } | |
946 | ||
e5be10ef | 947 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 948 | file->path->str); |
4f1f88a6 | 949 | if (ret) { |
4c65a157 | 950 | BT_COMP_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 951 | file->path->str); |
94cf822e | 952 | ctf_fs_file_destroy(file); |
e7a4393b JG |
953 | goto error; |
954 | } | |
955 | ||
4f1f88a6 | 956 | ctf_fs_file_destroy(file); |
e7a4393b JG |
957 | } |
958 | ||
959 | goto end; | |
4f1f88a6 | 960 | |
e7a4393b JG |
961 | error: |
962 | ret = -1; | |
4f1f88a6 | 963 | |
e7a4393b JG |
964 | end: |
965 | if (dir) { | |
966 | g_dir_close(dir); | |
967 | dir = NULL; | |
968 | } | |
4f1f88a6 | 969 | |
e7a4393b JG |
970 | if (error) { |
971 | g_error_free(error); | |
972 | } | |
5b29e799 | 973 | |
91457551 | 974 | return ret; |
5b29e799 JG |
975 | } |
976 | ||
862ca4ed | 977 | static |
98903a3e | 978 | int set_trace_name(bt_trace *trace, const char *name_suffix, |
4c65a157 | 979 | bt_logging_level log_level, bt_self_component *self_comp) |
862ca4ed PP |
980 | { |
981 | int ret = 0; | |
b19ff26f PP |
982 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
983 | const bt_value *val; | |
862ca4ed PP |
984 | GString *name; |
985 | ||
986 | name = g_string_new(NULL); | |
987 | if (!name) { | |
4c65a157 | 988 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
862ca4ed PP |
989 | ret = -1; |
990 | goto end; | |
991 | } | |
992 | ||
993 | /* | |
994 | * Check if we have a trace environment string value named `hostname`. | |
995 | * If so, use it as the trace name's prefix. | |
996 | */ | |
997 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
998 | tc, "hostname"); | |
999 | if (val && bt_value_is_string(val)) { | |
1000 | g_string_append(name, bt_value_string_get(val)); | |
1001 | ||
1002 | if (name_suffix) { | |
1003 | g_string_append_c(name, G_DIR_SEPARATOR); | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | if (name_suffix) { | |
1008 | g_string_append(name, name_suffix); | |
1009 | } | |
1010 | ||
1011 | ret = bt_trace_set_name(trace, name->str); | |
1012 | if (ret) { | |
1013 | goto end; | |
1014 | } | |
1015 | ||
1016 | goto end; | |
1017 | ||
1018 | end: | |
1019 | if (name) { | |
1020 | g_string_free(name, TRUE); | |
1021 | } | |
1022 | ||
1023 | return ret; | |
1024 | } | |
1025 | ||
f280892e | 1026 | static |
4c65a157 | 1027 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component *self_comp, |
41693723 | 1028 | const char *path, const char *name, |
98903a3e PP |
1029 | struct ctf_fs_metadata_config *metadata_config, |
1030 | bt_logging_level log_level) | |
1a9f7075 PP |
1031 | { |
1032 | struct ctf_fs_trace *ctf_fs_trace; | |
1033 | int ret; | |
1034 | ||
1035 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
1036 | if (!ctf_fs_trace) { | |
1037 | goto end; | |
1038 | } | |
1039 | ||
98903a3e | 1040 | ctf_fs_trace->log_level = log_level; |
4c65a157 | 1041 | ctf_fs_trace->self_comp = self_comp; |
1a9f7075 PP |
1042 | ctf_fs_trace->path = g_string_new(path); |
1043 | if (!ctf_fs_trace->path) { | |
1044 | goto error; | |
1045 | } | |
1046 | ||
1047 | ctf_fs_trace->name = g_string_new(name); | |
1048 | if (!ctf_fs_trace->name) { | |
1049 | goto error; | |
1050 | } | |
1051 | ||
1052 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
1053 | if (!ctf_fs_trace->metadata) { | |
1054 | goto error; | |
1055 | } | |
1056 | ||
44c440bc | 1057 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
1058 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1059 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1060 | if (!ctf_fs_trace->ds_file_groups) { | |
1061 | goto error; | |
1062 | } | |
1063 | ||
4c65a157 PP |
1064 | ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, |
1065 | metadata_config); | |
862ca4ed PP |
1066 | if (ret) { |
1067 | goto error; | |
1068 | } | |
1069 | ||
41693723 PP |
1070 | if (ctf_fs_trace->metadata->trace_class) { |
1071 | ctf_fs_trace->trace = | |
1072 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1073 | if (!ctf_fs_trace->trace) { | |
1074 | goto error; | |
1075 | } | |
862ca4ed PP |
1076 | } |
1077 | ||
41693723 | 1078 | if (ctf_fs_trace->trace) { |
4c65a157 PP |
1079 | ret = set_trace_name(ctf_fs_trace->trace, name, log_level, |
1080 | self_comp); | |
41693723 PP |
1081 | if (ret) { |
1082 | goto error; | |
1083 | } | |
1a9f7075 PP |
1084 | } |
1085 | ||
e5be10ef | 1086 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1087 | if (ret) { |
1088 | goto error; | |
1089 | } | |
1090 | ||
1a9f7075 PP |
1091 | goto end; |
1092 | ||
1093 | error: | |
1094 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1095 | ctf_fs_trace = NULL; | |
44c440bc | 1096 | |
1a9f7075 PP |
1097 | end: |
1098 | return ctf_fs_trace; | |
1099 | } | |
1100 | ||
1101 | static | |
1102 | int path_is_ctf_trace(const char *path) | |
1103 | { | |
1104 | GString *metadata_path = g_string_new(NULL); | |
1105 | int ret = 0; | |
1106 | ||
1107 | if (!metadata_path) { | |
1108 | ret = -1; | |
1109 | goto end; | |
1110 | } | |
1111 | ||
3743a302 | 1112 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1113 | |
1114 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1115 | ret = 1; | |
1116 | goto end; | |
1117 | } | |
1118 | ||
1119 | end: | |
1120 | g_string_free(metadata_path, TRUE); | |
1121 | return ret; | |
1122 | } | |
1123 | ||
1124 | static | |
98903a3e | 1125 | int add_trace_path(GList **trace_paths, const char *path, |
4c65a157 | 1126 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 | 1127 | { |
4bd72b60 | 1128 | GString *norm_path = NULL; |
1a9f7075 | 1129 | int ret = 0; |
1a9f7075 | 1130 | |
4bd72b60 PP |
1131 | norm_path = bt_common_normalize_path(path, NULL); |
1132 | if (!norm_path) { | |
4c65a157 | 1133 | BT_COMP_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1134 | ret = -1; |
1135 | goto end; | |
1136 | } | |
1137 | ||
3743a302 | 1138 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1139 | if (strcmp(norm_path->str, "/") == 0) { |
4c65a157 | 1140 | BT_COMP_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1141 | ret = -1; |
1142 | goto end; | |
1143 | } | |
1144 | ||
4bd72b60 | 1145 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1146 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1147 | norm_path = NULL; |
1a9f7075 PP |
1148 | |
1149 | end: | |
4bd72b60 PP |
1150 | if (norm_path) { |
1151 | g_string_free(norm_path, TRUE); | |
1152 | } | |
1153 | ||
1a9f7075 PP |
1154 | return ret; |
1155 | } | |
1156 | ||
f280892e | 1157 | static |
98903a3e | 1158 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path, |
4c65a157 | 1159 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 PP |
1160 | { |
1161 | int ret; | |
1162 | GError *error = NULL; | |
1163 | GDir *dir = NULL; | |
1164 | const char *basename = NULL; | |
1165 | ||
1166 | /* Check if the starting path is a CTF trace itself */ | |
1167 | ret = path_is_ctf_trace(start_path); | |
1168 | if (ret < 0) { | |
1169 | goto end; | |
1170 | } | |
1171 | ||
1172 | if (ret) { | |
1173 | /* | |
4bd72b60 PP |
1174 | * Stop recursion: a CTF trace cannot contain another |
1175 | * CTF trace. | |
1a9f7075 | 1176 | */ |
4c65a157 PP |
1177 | ret = add_trace_path(trace_paths, start_path, log_level, |
1178 | self_comp); | |
1a9f7075 PP |
1179 | goto end; |
1180 | } | |
1181 | ||
1182 | /* Look for subdirectories */ | |
1183 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1184 | /* Starting path is not a directory: end of recursion */ | |
1185 | goto end; | |
1186 | } | |
1187 | ||
1188 | dir = g_dir_open(start_path, 0, &error); | |
1189 | if (!dir) { | |
1190 | if (error->code == G_FILE_ERROR_ACCES) { | |
4c65a157 | 1191 | BT_COMP_LOGI("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1192 | start_path, error->message, error->code); |
1193 | goto end; | |
1194 | } | |
1195 | ||
4c65a157 | 1196 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1197 | start_path, error->message, error->code); |
1198 | ret = -1; | |
1199 | goto end; | |
1200 | } | |
1201 | ||
1202 | while ((basename = g_dir_read_name(dir))) { | |
1203 | GString *sub_path = g_string_new(NULL); | |
1204 | ||
1205 | if (!sub_path) { | |
1206 | ret = -1; | |
1207 | goto end; | |
1208 | } | |
1209 | ||
3743a302 | 1210 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
98903a3e | 1211 | ret = ctf_fs_find_traces(trace_paths, sub_path->str, |
4c65a157 | 1212 | log_level, self_comp); |
1a9f7075 PP |
1213 | g_string_free(sub_path, TRUE); |
1214 | if (ret) { | |
1215 | goto end; | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | end: | |
1220 | if (dir) { | |
1221 | g_dir_close(dir); | |
1222 | } | |
1223 | ||
1224 | if (error) { | |
1225 | g_error_free(error); | |
1226 | } | |
1227 | ||
1228 | return ret; | |
1229 | } | |
1230 | ||
f280892e | 1231 | static |
55314f2a | 1232 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1233 | GList *trace_names = NULL; |
1a9f7075 | 1234 | GList *node; |
4bd72b60 PP |
1235 | const char *last_sep; |
1236 | size_t base_dist; | |
1a9f7075 PP |
1237 | |
1238 | /* | |
4bd72b60 PP |
1239 | * At this point we know that all the trace paths are |
1240 | * normalized, and so is the base path. This means that | |
1241 | * they are absolute and they don't end with a separator. | |
1242 | * We can simply find the location of the last separator | |
1243 | * in the base path, which gives us the name of the actual | |
1244 | * directory to look into, and use this location as the | |
1245 | * start of each trace name within each trace path. | |
1246 | * | |
1247 | * For example: | |
1248 | * | |
1249 | * Base path: /home/user/my-traces/some-trace | |
1250 | * Trace paths: | |
1251 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1252 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1253 | * - /home/user/my-traces/some-trace/host2/trace | |
1254 | * - /home/user/my-traces/some-trace/other-trace | |
1255 | * | |
1256 | * In this case the trace names are: | |
1257 | * | |
1258 | * - some-trace/host1/trace1 | |
1259 | * - some-trace/host1/trace2 | |
1260 | * - some-trace/host2/trace | |
1261 | * - some-trace/other-trace | |
1a9f7075 | 1262 | */ |
4bd72b60 | 1263 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1264 | |
4bd72b60 | 1265 | /* We know there's at least one separator */ |
f6ccaed9 | 1266 | BT_ASSERT(last_sep); |
1a9f7075 | 1267 | |
4bd72b60 PP |
1268 | /* Distance to base */ |
1269 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1270 | |
1271 | /* Create the trace names */ | |
1272 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1273 | GString *trace_name = g_string_new(NULL); | |
1274 | GString *trace_path = node->data; | |
1275 | ||
f6ccaed9 | 1276 | BT_ASSERT(trace_name); |
4bd72b60 | 1277 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1278 | trace_names = g_list_append(trace_names, trace_name); |
1279 | } | |
1280 | ||
1281 | return trace_names; | |
1282 | } | |
1283 | ||
f280892e SM |
1284 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1285 | ||
1a9f7075 | 1286 | static |
4c65a157 | 1287 | int ctf_fs_component_create_ctf_fs_traces_one_root( |
41693723 | 1288 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1289 | const char *path_param) |
1290 | { | |
1291 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1292 | int ret = 0; | |
4bd72b60 | 1293 | GString *norm_path = NULL; |
1a9f7075 PP |
1294 | GList *trace_paths = NULL; |
1295 | GList *trace_names = NULL; | |
1296 | GList *tp_node; | |
1297 | GList *tn_node; | |
98903a3e | 1298 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1299 | bt_self_component *self_comp = ctf_fs->self_comp; |
1a9f7075 | 1300 | |
4bd72b60 PP |
1301 | norm_path = bt_common_normalize_path(path_param, NULL); |
1302 | if (!norm_path) { | |
4c65a157 | 1303 | BT_COMP_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1304 | path_param); |
1305 | goto error; | |
1306 | } | |
1307 | ||
4c65a157 PP |
1308 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str, log_level, |
1309 | self_comp); | |
1a9f7075 PP |
1310 | if (ret) { |
1311 | goto error; | |
1312 | } | |
1313 | ||
1314 | if (!trace_paths) { | |
4c65a157 | 1315 | BT_COMP_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1316 | path_param); |
1317 | goto error; | |
1318 | } | |
1319 | ||
55314f2a | 1320 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1321 | if (!trace_names) { |
4c65a157 | 1322 | BT_COMP_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1323 | goto error; |
1324 | } | |
1325 | ||
1326 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1327 | tp_node = g_list_next(tp_node), | |
1328 | tn_node = g_list_next(tn_node)) { | |
1329 | GString *trace_path = tp_node->data; | |
1330 | GString *trace_name = tn_node->data; | |
1331 | ||
41693723 PP |
1332 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1333 | trace_path->str, trace_name->str, | |
98903a3e PP |
1334 | &ctf_fs->metadata_config, |
1335 | log_level); | |
1a9f7075 | 1336 | if (!ctf_fs_trace) { |
4c65a157 | 1337 | BT_COMP_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1338 | trace_path->str); |
1339 | goto error; | |
1340 | } | |
52c5fe74 PP |
1341 | |
1342 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1343 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1344 | } |
1345 | ||
1a9f7075 PP |
1346 | goto end; |
1347 | ||
1348 | error: | |
1349 | ret = -1; | |
1350 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1351 | ||
1352 | end: | |
1353 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1354 | if (tp_node->data) { | |
1355 | g_string_free(tp_node->data, TRUE); | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1360 | if (tn_node->data) { | |
1361 | g_string_free(tn_node->data, TRUE); | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | if (trace_paths) { | |
1366 | g_list_free(trace_paths); | |
1367 | } | |
1368 | ||
1369 | if (trace_names) { | |
1370 | g_list_free(trace_names); | |
1371 | } | |
1372 | ||
4bd72b60 PP |
1373 | if (norm_path) { |
1374 | g_string_free(norm_path, TRUE); | |
1375 | } | |
1376 | ||
1a9f7075 PP |
1377 | return ret; |
1378 | } | |
1379 | ||
41a65f30 SM |
1380 | /* GCompareFunc to sort traces by UUID. */ |
1381 | ||
1382 | static | |
1383 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1384 | { | |
1385 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1386 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1387 | ||
1388 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1389 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1390 | gint ret; | |
1391 | ||
1392 | /* Order traces without uuid first. */ | |
1393 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1394 | ret = -1; | |
1395 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1396 | ret = 1; | |
1397 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1398 | ret = 0; | |
1399 | } else { | |
1400 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1401 | } | |
1402 | ||
1403 | return ret; | |
1404 | } | |
1405 | ||
1406 | /* | |
1407 | * Count the number of stream and event classes defined by this trace's metadata. | |
1408 | * | |
1409 | * This is used to determine which metadata is the "latest", out of multiple | |
1410 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1411 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1412 | * enough to just count the classes. | |
1413 | */ | |
1414 | ||
1415 | static | |
1416 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1417 | { | |
1418 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1419 | guint i; | |
1420 | ||
1421 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1422 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1423 | num += sc->event_classes->len; | |
1424 | } | |
1425 | ||
1426 | return num; | |
1427 | } | |
1428 | ||
1429 | /* | |
1430 | * Merge the src ds_file_group into dest. This consists of merging their | |
1431 | * ds_file_infos, making sure to keep the result sorted. | |
1432 | */ | |
1433 | ||
1434 | static | |
1435 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1436 | { | |
1437 | guint i; | |
1438 | ||
1439 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1440 | struct ctf_fs_ds_file_info *ds_file_info = | |
1441 | g_ptr_array_index(src->ds_file_infos, i); | |
1442 | ||
1443 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1444 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1445 | ||
1446 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1447 | } | |
41a65f30 | 1448 | |
7ed5243a FD |
1449 | /* Merge both indexes. */ |
1450 | for (i = 0; i < src->index->entries->len; i++) { | |
1451 | struct ctf_fs_ds_index_entry *entry = g_ptr_array_index( | |
1452 | src->index->entries, i); | |
1453 | ||
1454 | /* | |
1455 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
1456 | * dest. | |
1457 | */ | |
1458 | g_ptr_array_index(src->index->entries, i) = NULL; | |
1459 | ||
1460 | ds_file_group_insert_ds_index_entry_sorted(dest, entry); | |
1461 | } | |
1462 | } | |
41a65f30 SM |
1463 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1464 | ||
1465 | static | |
54ef52bd | 1466 | int merge_matching_ctf_fs_ds_file_groups( |
41a65f30 SM |
1467 | struct ctf_fs_trace *dest_trace, |
1468 | struct ctf_fs_trace *src_trace) | |
1469 | { | |
1470 | ||
1471 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1472 | GPtrArray *src = src_trace->ds_file_groups; | |
1473 | guint s_i; | |
54ef52bd | 1474 | int ret = 0; |
41a65f30 SM |
1475 | |
1476 | /* | |
1477 | * Save the initial length of dest: we only want to check against the | |
1478 | * original elements in the inner loop. | |
1479 | */ | |
1480 | const guint dest_len = dest->len; | |
1481 | ||
1482 | for (s_i = 0; s_i < src->len; s_i++) { | |
1483 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1484 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1485 | ||
1486 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1487 | if (src_group->stream_id != -1) { | |
1488 | guint d_i; | |
1489 | ||
1490 | /* Let's search for a matching ds_file_group in the destination. */ | |
1491 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1492 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1493 | ||
1494 | /* Can't match a stream instance without ID. */ | |
1495 | if (candidate_dest->stream_id == -1) { | |
1496 | continue; | |
1497 | } | |
1498 | ||
1499 | /* | |
1500 | * If the two groups have the same stream instance id | |
1501 | * and belong to the same stream class (stream instance | |
1502 | * ids are per-stream class), they represent the same | |
1503 | * stream instance. | |
1504 | */ | |
1505 | if (candidate_dest->stream_id != src_group->stream_id || | |
1506 | candidate_dest->sc->id != src_group->sc->id) { | |
1507 | continue; | |
1508 | } | |
1509 | ||
1510 | dest_group = candidate_dest; | |
1511 | break; | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | /* | |
1516 | * Didn't find a friend in dest to merge our src_group into? | |
7ed5243a FD |
1517 | * Create a new empty one. This can happen if a stream was |
1518 | * active in the source trace chunk but not in the destination | |
1519 | * trace chunk. | |
41a65f30 SM |
1520 | */ |
1521 | if (!dest_group) { | |
1522 | struct ctf_stream_class *sc; | |
7ed5243a | 1523 | struct ctf_fs_ds_index *index; |
41a65f30 SM |
1524 | |
1525 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1526 | dest_trace->metadata->tc, src_group->sc->id); | |
1527 | BT_ASSERT(sc); | |
1528 | ||
4c65a157 PP |
1529 | index = ctf_fs_ds_index_create(dest_trace->log_level, |
1530 | dest_trace->self_comp); | |
7ed5243a FD |
1531 | if (!index) { |
1532 | ret = -1; | |
1533 | goto end; | |
1534 | } | |
1535 | ||
41a65f30 | 1536 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
7ed5243a FD |
1537 | src_group->stream_id, index); |
1538 | /* Ownership of index is transferred. */ | |
1539 | index = NULL; | |
54ef52bd FD |
1540 | if (!dest_group) { |
1541 | ret = -1; | |
1542 | goto end; | |
1543 | } | |
41a65f30 SM |
1544 | |
1545 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1546 | } | |
1547 | ||
1548 | BT_ASSERT(dest_group); | |
1549 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1550 | } | |
54ef52bd FD |
1551 | |
1552 | end: | |
1553 | return ret; | |
41a65f30 SM |
1554 | } |
1555 | ||
1556 | /* | |
1557 | * Collapse the given traces, which must all share the same UUID, in a single | |
1558 | * one. | |
1559 | * | |
1560 | * The trace with the most expansive metadata is chosen and all other traces | |
1561 | * are merged into that one. The array slots of all the traces that get merged | |
1562 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1563 | * remains non-NULL. | |
1564 | */ | |
1565 | ||
1566 | static | |
54ef52bd | 1567 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) |
41a65f30 SM |
1568 | { |
1569 | unsigned int winner_count; | |
1570 | struct ctf_fs_trace *winner; | |
1571 | guint i; | |
54ef52bd | 1572 | int ret = 0; |
41a65f30 SM |
1573 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
1574 | ||
1575 | BT_ASSERT(num_traces >= 2); | |
1576 | ||
1577 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1578 | winner = traces[0]; | |
1579 | ||
1580 | /* Find the trace with the largest metadata. */ | |
1581 | for (i = 1; i < num_traces; i++) { | |
1582 | struct ctf_fs_trace *candidate; | |
1583 | unsigned int candidate_count; | |
1584 | ||
1585 | candidate = traces[i]; | |
1586 | ||
1587 | /* A bit of sanity check. */ | |
1588 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1589 | ||
1590 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1591 | ||
1592 | if (candidate_count > winner_count) { | |
1593 | winner_count = candidate_count; | |
1594 | winner = candidate; | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | /* Merge all the other traces in the winning trace. */ | |
1599 | for (i = 0; i < num_traces; i++) { | |
1600 | struct ctf_fs_trace *trace = traces[i]; | |
1601 | ||
1602 | /* Don't merge the winner into itself. */ | |
1603 | if (trace == winner) { | |
1604 | continue; | |
1605 | } | |
1606 | ||
1607 | /* Merge trace's data stream file groups into winner's. */ | |
54ef52bd FD |
1608 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1609 | if (ret) { | |
1610 | goto end; | |
1611 | } | |
41a65f30 SM |
1612 | |
1613 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1614 | ctf_fs_trace_destroy(trace); | |
1615 | traces[i] = NULL; | |
1616 | } | |
1617 | ||
1618 | /* Use the string representation of the UUID as the trace name. */ | |
1619 | bt_uuid_unparse(winner->metadata->tc->uuid, uuid_str); | |
1620 | g_string_printf(winner->name, "%s", uuid_str); | |
54ef52bd FD |
1621 | |
1622 | end: | |
1623 | return ret; | |
41a65f30 SM |
1624 | } |
1625 | ||
1626 | /* | |
1627 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1628 | * Traces with no UUID are not merged. | |
1629 | */ | |
1630 | ||
1631 | static | |
54ef52bd | 1632 | int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) |
41a65f30 SM |
1633 | { |
1634 | GPtrArray *traces = ctf_fs->traces; | |
1635 | guint range_start_idx = 0; | |
1636 | unsigned int num_traces = 0; | |
1637 | guint i; | |
54ef52bd | 1638 | int ret = 0; |
41a65f30 SM |
1639 | |
1640 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1641 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1642 | ||
1643 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1644 | while (range_start_idx < traces->len) { | |
1645 | guint range_len; | |
1646 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1647 | ||
1648 | /* Exclusive end of range. */ | |
1649 | guint range_end_exc_idx = range_start_idx + 1; | |
1650 | ||
1651 | while (range_end_exc_idx < traces->len) { | |
1652 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1653 | ||
1654 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1655 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1656 | break; | |
1657 | } | |
1658 | ||
1659 | range_end_exc_idx++; | |
1660 | } | |
1661 | ||
1662 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1663 | range_len = range_end_exc_idx - range_start_idx; | |
1664 | if (range_len > 1) { | |
1665 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
54ef52bd FD |
1666 | ret = merge_ctf_fs_traces(range_start, range_len); |
1667 | if (ret) { | |
1668 | goto end; | |
1669 | } | |
41a65f30 SM |
1670 | } |
1671 | ||
1672 | num_traces++; | |
1673 | range_start_idx = range_end_exc_idx; | |
1674 | } | |
1675 | ||
1676 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1677 | for (i = 0; i < traces->len;) { | |
1678 | if (g_ptr_array_index(traces, i) == NULL) { | |
1679 | g_ptr_array_remove_index_fast(traces, i); | |
1680 | } else { | |
1681 | i++; | |
1682 | } | |
1683 | } | |
1684 | ||
1685 | BT_ASSERT(num_traces == traces->len); | |
54ef52bd FD |
1686 | |
1687 | end: | |
1688 | return ret; | |
41a65f30 SM |
1689 | } |
1690 | ||
f280892e SM |
1691 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
1692 | struct ctf_fs_component *ctf_fs, | |
1693 | const bt_value *paths_value) | |
1694 | { | |
1695 | int ret = 0; | |
1696 | uint64_t i; | |
1697 | ||
1698 | for (i = 0; i < bt_value_array_get_size(paths_value); i++) { | |
1699 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1700 | const char *path = bt_value_string_get(path_value); | |
1701 | ||
4c65a157 PP |
1702 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(ctf_fs, |
1703 | path); | |
f280892e SM |
1704 | if (ret) { |
1705 | goto end; | |
1706 | } | |
1707 | } | |
1708 | ||
54ef52bd | 1709 | ret = merge_traces_with_same_uuid(ctf_fs); |
41a65f30 | 1710 | |
f280892e SM |
1711 | end: |
1712 | return ret; | |
1713 | } | |
1714 | ||
a38d7650 SM |
1715 | static |
1716 | GString *get_stream_instance_unique_name( | |
1717 | struct ctf_fs_ds_file_group *ds_file_group) | |
1718 | { | |
1719 | GString *name; | |
1720 | struct ctf_fs_ds_file_info *ds_file_info; | |
1721 | ||
1722 | name = g_string_new(NULL); | |
1723 | if (!name) { | |
1724 | goto end; | |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * If there's more than one stream file in the stream file | |
1729 | * group, the first (earliest) stream file's path is used as | |
1730 | * the stream's unique name. | |
1731 | */ | |
1732 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
1733 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
1734 | g_string_assign(name, ds_file_info->path->str); | |
1735 | ||
1736 | end: | |
1737 | return name; | |
1738 | } | |
1739 | ||
f280892e SM |
1740 | /* Create the IR stream objects for ctf_fs_trace. */ |
1741 | ||
1742 | static | |
1743 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
1744 | { | |
1745 | int ret; | |
1746 | GString *name = NULL; | |
1747 | guint i; | |
98903a3e | 1748 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 1749 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
f280892e SM |
1750 | |
1751 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
1752 | struct ctf_fs_ds_file_group *ds_file_group = | |
1753 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
1754 | name = get_stream_instance_unique_name(ds_file_group); | |
1755 | ||
1756 | if (!name) { | |
1757 | goto error; | |
1758 | } | |
1759 | ||
1760 | if (ds_file_group->sc->ir_sc) { | |
1761 | BT_ASSERT(ctf_fs_trace->trace); | |
1762 | ||
1763 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1764 | /* No stream ID: use 0 */ | |
1765 | ds_file_group->stream = bt_stream_create_with_id( | |
1766 | ds_file_group->sc->ir_sc, | |
1767 | ctf_fs_trace->trace, | |
1768 | ctf_fs_trace->next_stream_id); | |
1769 | ctf_fs_trace->next_stream_id++; | |
1770 | } else { | |
1771 | /* Specific stream ID */ | |
1772 | ds_file_group->stream = bt_stream_create_with_id( | |
1773 | ds_file_group->sc->ir_sc, | |
1774 | ctf_fs_trace->trace, | |
1775 | (uint64_t) ds_file_group->stream_id); | |
1776 | } | |
1777 | } else { | |
1778 | ds_file_group->stream = NULL; | |
1779 | } | |
1780 | ||
1781 | if (!ds_file_group->stream) { | |
4c65a157 | 1782 | BT_COMP_LOGE("Cannot create stream for DS file group: " |
f280892e SM |
1783 | "addr=%p, stream-name=\"%s\"", |
1784 | ds_file_group, name->str); | |
1785 | goto error; | |
1786 | } | |
1787 | ||
1788 | ret = bt_stream_set_name(ds_file_group->stream, | |
1789 | name->str); | |
1790 | if (ret) { | |
4c65a157 | 1791 | BT_COMP_LOGE("Cannot set stream's name: " |
f280892e SM |
1792 | "addr=%p, stream-name=\"%s\"", |
1793 | ds_file_group->stream, name->str); | |
1794 | goto error; | |
1795 | } | |
1796 | ||
1797 | g_string_free(name, TRUE); | |
1798 | name = NULL; | |
1799 | } | |
1800 | ||
1801 | ret = 0; | |
1802 | goto end; | |
1803 | ||
1804 | error: | |
1805 | ret = -1; | |
1806 | ||
1807 | end: | |
1808 | ||
1809 | if (name) { | |
1810 | g_string_free(name, TRUE); | |
1811 | } | |
1812 | return ret; | |
1813 | } | |
1814 | ||
d907165c SM |
1815 | /* |
1816 | * Validate the "paths" parameter passed to this component. It must be | |
1817 | * present, and it must be an array of strings. | |
1818 | */ | |
1819 | ||
1820 | static | |
98903a3e PP |
1821 | bool validate_paths_parameter(struct ctf_fs_component *ctf_fs, |
1822 | const bt_value *paths) | |
f280892e SM |
1823 | { |
1824 | bool ret; | |
1825 | bt_value_type type; | |
1826 | uint64_t i; | |
98903a3e | 1827 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1828 | bt_self_component *self_comp = ctf_fs->self_comp; |
f280892e SM |
1829 | |
1830 | if (!paths) { | |
4c65a157 | 1831 | BT_COMP_LOGE("missing \"paths\" parameter"); |
f280892e SM |
1832 | goto error; |
1833 | } | |
1834 | ||
1835 | type = bt_value_get_type(paths); | |
1836 | if (type != BT_VALUE_TYPE_ARRAY) { | |
4c65a157 | 1837 | BT_COMP_LOGE("`paths` parameter: expecting array value: type=%s", |
f280892e SM |
1838 | bt_common_value_type_string(type)); |
1839 | goto error; | |
1840 | } | |
1841 | ||
1842 | for (i = 0; i < bt_value_array_get_size(paths); i++) { | |
1843 | const bt_value *elem; | |
1844 | ||
1845 | elem = bt_value_array_borrow_element_by_index_const(paths, i); | |
1846 | type = bt_value_get_type(elem); | |
1847 | if (type != BT_VALUE_TYPE_STRING) { | |
4c65a157 | 1848 | BT_COMP_LOGE("`paths` parameter: expecting string value: index=%" PRIu64 ", type=%s", |
f280892e SM |
1849 | i, bt_common_value_type_string(type)); |
1850 | goto error; | |
1851 | } | |
1852 | } | |
1853 | ||
1854 | ret = true; | |
1855 | goto end; | |
1856 | ||
1857 | error: | |
1858 | ret = false; | |
1859 | ||
1860 | end: | |
1861 | return ret; | |
1862 | } | |
1863 | ||
d907165c SM |
1864 | bool read_src_fs_parameters(const bt_value *params, |
1865 | const bt_value **paths, struct ctf_fs_component *ctf_fs) { | |
1866 | bool ret; | |
1867 | const bt_value *value; | |
98903a3e | 1868 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1869 | bt_self_component *self_comp = ctf_fs->self_comp; |
d907165c SM |
1870 | |
1871 | /* paths parameter */ | |
1872 | *paths = bt_value_map_borrow_entry_value_const(params, "paths"); | |
98903a3e | 1873 | if (!validate_paths_parameter(ctf_fs, *paths)) { |
d907165c SM |
1874 | goto error; |
1875 | } | |
1876 | ||
1877 | /* clock-class-offset-s parameter */ | |
1878 | value = bt_value_map_borrow_entry_value_const(params, | |
1879 | "clock-class-offset-s"); | |
1880 | if (value) { | |
fdd3a2da | 1881 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 1882 | BT_COMP_LOGE("clock-class-offset-s must be an integer"); |
d907165c SM |
1883 | goto error; |
1884 | } | |
1885 | ctf_fs->metadata_config.clock_class_offset_s = | |
fdd3a2da | 1886 | bt_value_signed_integer_get(value); |
d907165c SM |
1887 | } |
1888 | ||
1889 | /* clock-class-offset-ns parameter */ | |
1890 | value = bt_value_map_borrow_entry_value_const(params, | |
1891 | "clock-class-offset-ns"); | |
1892 | if (value) { | |
fdd3a2da | 1893 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 1894 | BT_COMP_LOGE("clock-class-offset-ns must be an integer"); |
d907165c SM |
1895 | goto error; |
1896 | } | |
1897 | ctf_fs->metadata_config.clock_class_offset_ns = | |
fdd3a2da | 1898 | bt_value_signed_integer_get(value); |
d907165c SM |
1899 | } |
1900 | ||
1901 | ||
1902 | ret = true; | |
1903 | goto end; | |
1904 | ||
1905 | error: | |
1906 | ret = false; | |
1907 | ||
1908 | end: | |
1909 | return ret; | |
1910 | } | |
1911 | ||
5b29e799 | 1912 | static |
d94d92ac | 1913 | struct ctf_fs_component *ctf_fs_create( |
98903a3e | 1914 | bt_self_component_source *self_comp_src, |
b19ff26f | 1915 | const bt_value *params) |
56a1cced | 1916 | { |
f280892e | 1917 | struct ctf_fs_component *ctf_fs = NULL; |
f280892e SM |
1918 | guint i; |
1919 | const bt_value *paths_value; | |
98903a3e PP |
1920 | bt_self_component *self_comp = |
1921 | bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1922 | |
98903a3e | 1923 | ctf_fs = ctf_fs_component_create(bt_component_get_logging_level( |
4c65a157 | 1924 | bt_self_component_as_component(self_comp)), self_comp); |
d907165c | 1925 | if (!ctf_fs) { |
f280892e SM |
1926 | goto error; |
1927 | } | |
1928 | ||
d907165c | 1929 | if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) { |
f280892e | 1930 | goto error; |
56a1cced JG |
1931 | } |
1932 | ||
98903a3e | 1933 | bt_self_component_set_data(self_comp, ctf_fs); |
4c65a157 PP |
1934 | ctf_fs->self_comp = self_comp; |
1935 | ctf_fs->self_comp_src = self_comp_src; | |
56a1cced | 1936 | |
98903a3e | 1937 | if (ctf_fs_component_create_ctf_fs_traces(self_comp_src, ctf_fs, paths_value)) { |
4f1f88a6 PP |
1938 | goto error; |
1939 | } | |
1940 | ||
f280892e SM |
1941 | for (i = 0; i < ctf_fs->traces->len; i++) { |
1942 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 1943 | |
f280892e SM |
1944 | if (create_streams_for_trace(trace)) { |
1945 | goto error; | |
1946 | } | |
1947 | ||
1948 | if (create_ports_for_trace(ctf_fs, trace)) { | |
1949 | goto error; | |
1950 | } | |
4f1f88a6 PP |
1951 | } |
1952 | ||
1ef09eb5 JG |
1953 | goto end; |
1954 | ||
56a1cced | 1955 | error: |
1a9f7075 | 1956 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1957 | ctf_fs = NULL; |
98903a3e | 1958 | bt_self_component_set_data(self_comp, NULL); |
1a9f7075 | 1959 | |
1ef09eb5 | 1960 | end: |
56a1cced JG |
1961 | return ctf_fs; |
1962 | } | |
1963 | ||
ea0b4b9e | 1964 | BT_HIDDEN |
4cdfc5e8 | 1965 | bt_self_component_status ctf_fs_init( |
b19ff26f | 1966 | bt_self_component_source *self_comp, |
c88dd1cb | 1967 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
1968 | { |
1969 | struct ctf_fs_component *ctf_fs; | |
4cdfc5e8 | 1970 | bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK; |
ea0b4b9e | 1971 | |
d94d92ac | 1972 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1973 | if (!ctf_fs) { |
d94d92ac | 1974 | ret = BT_SELF_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1975 | } |
4c1456f0 | 1976 | |
ea0b4b9e JG |
1977 | return ret; |
1978 | } | |
33f93973 PP |
1979 | |
1980 | BT_HIDDEN | |
4cdfc5e8 | 1981 | bt_query_status ctf_fs_query( |
b19ff26f PP |
1982 | bt_self_component_class_source *comp_class, |
1983 | const bt_query_executor *query_exec, | |
1984 | const char *object, const bt_value *params, | |
98903a3e | 1985 | bt_logging_level log_level, |
b19ff26f | 1986 | const bt_value **result) |
33f93973 | 1987 | { |
4cdfc5e8 | 1988 | bt_query_status status = BT_QUERY_STATUS_OK; |
33f93973 | 1989 | |
04c0ba87 | 1990 | if (!strcmp(object, "metadata-info")) { |
98903a3e PP |
1991 | status = metadata_info_query(comp_class, params, log_level, |
1992 | result); | |
97ade20b | 1993 | } else if (!strcmp(object, "trace-info")) { |
98903a3e PP |
1994 | status = trace_info_query(comp_class, params, log_level, |
1995 | result); | |
33f93973 | 1996 | } else { |
55314f2a | 1997 | BT_LOGE("Unknown query object `%s`", object); |
d94d92ac | 1998 | status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1999 | goto end; |
33f93973 | 2000 | } |
33f93973 | 2001 | end: |
d94d92ac | 2002 | return status; |
33f93973 | 2003 | } |