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 | ||
578e048b | 28 | #include "common/common.h" |
3fadfbc0 | 29 | #include <babeltrace2/babeltrace.h> |
578e048b | 30 | #include "compat/uuid.h" |
ea0b4b9e | 31 | #include <glib.h> |
578e048b | 32 | #include "common/assert.h" |
94cf822e | 33 | #include <inttypes.h> |
c55a9f58 | 34 | #include <stdbool.h> |
56a1cced | 35 | #include "fs.h" |
413bc2c4 | 36 | #include "metadata.h" |
94cf822e | 37 | #include "data-stream-file.h" |
e7a4393b | 38 | #include "file.h" |
1e649dff | 39 | #include "../common/metadata/decoder.h" |
d6e69534 | 40 | #include "../common/msg-iter/msg-iter.h" |
a429c321 | 41 | #include "../common/utils/utils.h" |
04c0ba87 | 42 | #include "query.h" |
e7a4393b | 43 | |
55314f2a JG |
44 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SRC" |
45 | #include "logging.h" | |
ea0b4b9e | 46 | |
94cf822e | 47 | static |
d6e69534 | 48 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
49 | { |
50 | struct ctf_fs_ds_file_info *ds_file_info; | |
51 | int ret = 0; | |
52 | ||
d6e69534 PP |
53 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
54 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 55 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
56 | msg_iter_data->ds_file_group->ds_file_infos, |
57 | msg_iter_data->ds_file_info_index); | |
58 | ||
59 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
60 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
61 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
62 | msg_iter_data->pc_msg_iter, | |
63 | msg_iter_data->msg_iter, | |
64 | msg_iter_data->ds_file_group->stream, | |
97ade20b | 65 | ds_file_info->path->str); |
d6e69534 | 66 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
67 | ret = -1; |
68 | } | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
73 | static | |
d6e69534 PP |
74 | void ctf_fs_msg_iter_data_destroy( |
75 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 76 | { |
d6e69534 | 77 | if (!msg_iter_data) { |
94cf822e PP |
78 | return; |
79 | } | |
80 | ||
d6e69534 | 81 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 82 | |
d6e69534 PP |
83 | if (msg_iter_data->msg_iter) { |
84 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
85 | } |
86 | ||
d6e69534 | 87 | g_free(msg_iter_data); |
94cf822e PP |
88 | } |
89 | ||
fc917f65 PP |
90 | static |
91 | void set_msg_iter_emits_stream_beginning_end_messages( | |
92 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
93 | { | |
94 | bt_msg_iter_set_emit_stream_beginning_message( | |
95 | msg_iter_data->ds_file->msg_iter, | |
96 | msg_iter_data->ds_file_info_index == 0); | |
97 | bt_msg_iter_set_emit_stream_end_message( | |
98 | msg_iter_data->ds_file->msg_iter, | |
99 | msg_iter_data->ds_file_info_index == | |
100 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
101 | } | |
102 | ||
d4393e08 | 103 | static |
4cdfc5e8 | 104 | bt_self_message_iterator_status ctf_fs_iterator_next_one( |
d6e69534 | 105 | struct ctf_fs_msg_iter_data *msg_iter_data, |
fc917f65 | 106 | const bt_message **out_msg) |
ea0b4b9e | 107 | { |
4cdfc5e8 | 108 | bt_self_message_iterator_status status; |
94cf822e | 109 | |
d6e69534 | 110 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 111 | |
fc917f65 PP |
112 | while (true) { |
113 | bt_message *msg; | |
114 | ||
115 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
116 | switch (status) { | |
117 | case BT_SELF_MESSAGE_ITERATOR_STATUS_OK: | |
118 | *out_msg = msg; | |
119 | msg = NULL; | |
f42867e2 | 120 | goto end; |
fc917f65 PP |
121 | case BT_SELF_MESSAGE_ITERATOR_STATUS_END: |
122 | { | |
123 | int ret; | |
f42867e2 | 124 | |
fc917f65 PP |
125 | if (msg_iter_data->ds_file_info_index == |
126 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
127 | /* End of all group's stream files */ | |
128 | goto end; | |
129 | } | |
130 | ||
131 | msg_iter_data->ds_file_info_index++; | |
495490c5 PP |
132 | bt_msg_iter_reset_for_next_stream_file( |
133 | msg_iter_data->msg_iter); | |
fc917f65 PP |
134 | set_msg_iter_emits_stream_beginning_end_messages( |
135 | msg_iter_data); | |
94cf822e | 136 | |
94cf822e | 137 | /* |
fc917f65 PP |
138 | * Open and start reading the next stream file |
139 | * within our stream file group. | |
94cf822e | 140 | */ |
fc917f65 PP |
141 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
142 | if (ret) { | |
143 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
144 | goto end; | |
145 | } | |
146 | ||
147 | /* Continue the loop to get the next message */ | |
148 | break; | |
94cf822e | 149 | } |
fc917f65 | 150 | default: |
94cf822e PP |
151 | goto end; |
152 | } | |
94cf822e | 153 | } |
d01e0f33 | 154 | |
94cf822e | 155 | end: |
d4393e08 PP |
156 | return status; |
157 | } | |
158 | ||
159 | BT_HIDDEN | |
4cdfc5e8 | 160 | bt_self_message_iterator_status ctf_fs_iterator_next( |
d6e69534 PP |
161 | bt_self_message_iterator *iterator, |
162 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
163 | uint64_t *count) |
164 | { | |
4cdfc5e8 | 165 | bt_self_message_iterator_status status = |
d6e69534 PP |
166 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
167 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
168 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
169 | uint64_t i = 0; |
170 | ||
d6e69534 PP |
171 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
172 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
173 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
174 | i++; |
175 | } | |
176 | } | |
177 | ||
178 | if (i > 0) { | |
179 | /* | |
180 | * Even if ctf_fs_iterator_next_one() returned something | |
d6e69534 PP |
181 | * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
182 | * accumulated message objects in the output | |
183 | * message array, so we need to return | |
184 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are | |
d4393e08 | 185 | * transfered to downstream. This other status occurs |
d6e69534 | 186 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 187 | * called, possibly without any accumulated |
d6e69534 | 188 | * message, in which case we'll return it. |
d4393e08 PP |
189 | */ |
190 | *count = i; | |
d6e69534 | 191 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
192 | } |
193 | ||
194 | return status; | |
ea0b4b9e | 195 | } |
bfd20a42 | 196 | |
6a9bb5e9 PP |
197 | static |
198 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
199 | { | |
200 | int ret; | |
201 | ||
202 | msg_iter_data->ds_file_info_index = 0; | |
203 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
204 | if (ret) { | |
205 | goto end; | |
206 | } | |
207 | ||
208 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
209 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
210 | ||
211 | end: | |
212 | return ret; | |
213 | } | |
214 | ||
215 | BT_HIDDEN | |
216 | bt_self_message_iterator_status ctf_fs_iterator_seek_beginning( | |
217 | bt_self_message_iterator *it) | |
218 | { | |
219 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
220 | bt_self_message_iterator_get_data(it); | |
221 | bt_self_message_iterator_status status = | |
222 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
223 | ||
224 | BT_ASSERT(msg_iter_data); | |
225 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
226 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
227 | } | |
228 | ||
229 | return status; | |
230 | } | |
231 | ||
232 | BT_HIDDEN | |
d6e69534 | 233 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 234 | { |
d6e69534 PP |
235 | ctf_fs_msg_iter_data_destroy( |
236 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
237 | } |
238 | ||
6a9bb5e9 | 239 | BT_HIDDEN |
4cdfc5e8 | 240 | bt_self_message_iterator_status ctf_fs_iterator_init( |
d6e69534 | 241 | bt_self_message_iterator *self_msg_iter, |
b19ff26f PP |
242 | bt_self_component_source *self_comp, |
243 | bt_self_component_port_output *self_port) | |
4c1456f0 | 244 | { |
4f1f88a6 | 245 | struct ctf_fs_port_data *port_data; |
d6e69534 | 246 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
4cdfc5e8 | 247 | bt_self_message_iterator_status ret = |
d6e69534 | 248 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
760051fa | 249 | |
d94d92ac | 250 | port_data = bt_self_component_port_get_data( |
707b7d35 | 251 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
252 | self_port)); |
253 | BT_ASSERT(port_data); | |
d6e69534 PP |
254 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
255 | if (!msg_iter_data) { | |
256 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
94cf822e PP |
257 | goto error; |
258 | } | |
259 | ||
d6e69534 PP |
260 | msg_iter_data->pc_msg_iter = self_msg_iter; |
261 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 262 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
6de92955 PP |
263 | bt_common_get_page_size() * 8, |
264 | ctf_fs_ds_file_medops, NULL); | |
d6e69534 PP |
265 | if (!msg_iter_data->msg_iter) { |
266 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
267 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
6de92955 PP |
268 | goto error; |
269 | } | |
270 | ||
d6e69534 | 271 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
6a9bb5e9 | 272 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
d6e69534 | 273 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
4f1f88a6 | 274 | goto error; |
760051fa JG |
275 | } |
276 | ||
d6e69534 PP |
277 | bt_self_message_iterator_set_data(self_msg_iter, |
278 | msg_iter_data); | |
279 | if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
4f1f88a6 | 280 | goto error; |
760051fa JG |
281 | } |
282 | ||
d6e69534 | 283 | msg_iter_data = NULL; |
4f1f88a6 | 284 | goto end; |
5b29e799 | 285 | |
4f1f88a6 | 286 | error: |
d6e69534 | 287 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 288 | |
760051fa | 289 | end: |
d6e69534 | 290 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
291 | return ret; |
292 | } | |
293 | ||
f280892e | 294 | BT_HIDDEN |
1a9f7075 | 295 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 296 | { |
4f1f88a6 | 297 | if (!ctf_fs) { |
8fa760ba JG |
298 | return; |
299 | } | |
4f1f88a6 | 300 | |
1a9f7075 PP |
301 | if (ctf_fs->traces) { |
302 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 303 | } |
4f1f88a6 PP |
304 | |
305 | if (ctf_fs->port_data) { | |
306 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 307 | } |
760051fa | 308 | |
1a9f7075 PP |
309 | g_free(ctf_fs); |
310 | } | |
311 | ||
f280892e SM |
312 | static |
313 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
314 | { | |
315 | if (!port_data) { | |
316 | return; | |
317 | } | |
318 | ||
319 | g_free(port_data); | |
320 | } | |
321 | ||
322 | static | |
323 | void port_data_destroy_notifier(void *data) { | |
324 | port_data_destroy(data); | |
325 | } | |
326 | ||
327 | static | |
97ade20b | 328 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 329 | { |
1a9f7075 PP |
330 | if (!ctf_fs_trace) { |
331 | return; | |
332 | } | |
333 | ||
94cf822e PP |
334 | if (ctf_fs_trace->ds_file_groups) { |
335 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
336 | } | |
337 | ||
c5b9b441 | 338 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 339 | |
1a9f7075 PP |
340 | if (ctf_fs_trace->path) { |
341 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 342 | } |
760051fa | 343 | |
1a9f7075 PP |
344 | if (ctf_fs_trace->name) { |
345 | g_string_free(ctf_fs_trace->name, TRUE); | |
346 | } | |
347 | ||
348 | if (ctf_fs_trace->metadata) { | |
349 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
350 | g_free(ctf_fs_trace->metadata); | |
351 | } | |
352 | ||
1a9f7075 | 353 | g_free(ctf_fs_trace); |
4c1456f0 JG |
354 | } |
355 | ||
97ade20b | 356 | static |
56a924f4 | 357 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
358 | { |
359 | struct ctf_fs_trace *trace = data; | |
360 | ctf_fs_trace_destroy(trace); | |
361 | } | |
362 | ||
f280892e | 363 | struct ctf_fs_component *ctf_fs_component_create(void) |
a4792757 | 364 | { |
f280892e | 365 | struct ctf_fs_component *ctf_fs; |
a4792757 | 366 | |
f280892e SM |
367 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
368 | if (!ctf_fs) { | |
369 | goto error; | |
370 | } | |
4f1f88a6 | 371 | |
f280892e SM |
372 | ctf_fs->port_data = |
373 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
374 | if (!ctf_fs->port_data) { | |
375 | goto error; | |
4f1f88a6 PP |
376 | } |
377 | ||
f280892e SM |
378 | ctf_fs->traces = |
379 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
380 | if (!ctf_fs->traces) { | |
381 | goto error; | |
382 | } | |
383 | ||
384 | goto end; | |
385 | ||
386 | error: | |
387 | if (ctf_fs) { | |
388 | ctf_fs_destroy(ctf_fs); | |
389 | } | |
390 | ||
391 | end: | |
392 | return ctf_fs; | |
393 | } | |
394 | ||
395 | void ctf_fs_finalize(bt_self_component_source *component) | |
396 | { | |
397 | ctf_fs_destroy(bt_self_component_get_data( | |
398 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
399 | } |
400 | ||
a38d7650 | 401 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 402 | { |
a38d7650 | 403 | GString *name = g_string_new(NULL); |
547eacf1 | 404 | |
a38d7650 SM |
405 | /* |
406 | * The unique port name is generated by concatenating unique identifiers | |
407 | * for: | |
408 | * | |
409 | * - the trace | |
410 | * - the stream class | |
411 | * - the stream | |
412 | */ | |
413 | ||
414 | /* For the trace, use the uuid if present, else the path. */ | |
415 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
416 | char uuid_str[BABELTRACE_UUID_STR_LEN]; | |
417 | ||
418 | bt_uuid_unparse(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
419 | g_string_assign(name, uuid_str); | |
420 | } else { | |
421 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
547eacf1 PP |
422 | } |
423 | ||
424 | /* | |
a38d7650 SM |
425 | * For the stream class, use the id if present. We can omit this field |
426 | * otherwise, as there will only be a single stream class. | |
547eacf1 | 427 | */ |
a38d7650 SM |
428 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
429 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
430 | } | |
547eacf1 | 431 | |
a38d7650 SM |
432 | /* For the stream, use the id if present, else, use the path. */ |
433 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
434 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
435 | } else { | |
436 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
437 | struct ctf_fs_ds_file_info *ds_file_info = | |
438 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
439 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
440 | } | |
441 | ||
442 | return g_string_free(name, FALSE); | |
547eacf1 PP |
443 | } |
444 | ||
5b29e799 | 445 | static |
55314f2a JG |
446 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
447 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 448 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 449 | { |
4f1f88a6 | 450 | int ret = 0; |
4f1f88a6 | 451 | struct ctf_fs_port_data *port_data = NULL; |
a38d7650 | 452 | gchar *port_name; |
4f1f88a6 | 453 | |
a38d7650 | 454 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
455 | if (!port_name) { |
456 | goto error; | |
457 | } | |
458 | ||
3f7d4d90 | 459 | BT_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
460 | |
461 | /* Create output port for this file */ | |
4f1f88a6 PP |
462 | port_data = g_new0(struct ctf_fs_port_data, 1); |
463 | if (!port_data) { | |
464 | goto error; | |
465 | } | |
466 | ||
5c563278 | 467 | port_data->ctf_fs = ctf_fs; |
94cf822e | 468 | port_data->ds_file_group = ds_file_group; |
d94d92ac | 469 | ret = bt_self_component_source_add_output_port( |
a38d7650 | 470 | ctf_fs->self_comp, port_name, port_data, NULL); |
147337a3 | 471 | if (ret) { |
4f1f88a6 PP |
472 | goto error; |
473 | } | |
474 | ||
475 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
476 | port_data = NULL; | |
477 | goto end; | |
478 | ||
479 | error: | |
480 | ret = -1; | |
481 | ||
482 | end: | |
483 | if (port_name) { | |
a38d7650 | 484 | g_free(port_name); |
4f1f88a6 PP |
485 | } |
486 | ||
4f1f88a6 PP |
487 | port_data_destroy(port_data); |
488 | return ret; | |
5b29e799 JG |
489 | } |
490 | ||
491 | static | |
55314f2a JG |
492 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
493 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
494 | { |
495 | int ret = 0; | |
94cf822e PP |
496 | size_t i; |
497 | ||
498 | /* Create one output port for each stream file group */ | |
499 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
500 | struct ctf_fs_ds_file_group *ds_file_group = | |
501 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
502 | ||
55314f2a JG |
503 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
504 | ds_file_group); | |
94cf822e | 505 | if (ret) { |
55314f2a | 506 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
507 | goto end; |
508 | } | |
509 | } | |
510 | ||
511 | end: | |
512 | return ret; | |
513 | } | |
514 | ||
94cf822e PP |
515 | static |
516 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
517 | { | |
518 | if (!ds_file_info) { | |
519 | return; | |
520 | } | |
521 | ||
522 | if (ds_file_info->path) { | |
523 | g_string_free(ds_file_info->path, TRUE); | |
524 | } | |
525 | ||
526 | g_free(ds_file_info); | |
527 | } | |
528 | ||
529 | static | |
530 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
7ed5243a | 531 | int64_t begin_ns) |
94cf822e PP |
532 | { |
533 | struct ctf_fs_ds_file_info *ds_file_info; | |
534 | ||
535 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
536 | if (!ds_file_info) { | |
537 | goto end; | |
538 | } | |
539 | ||
540 | ds_file_info->path = g_string_new(path); | |
541 | if (!ds_file_info->path) { | |
542 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
543 | ds_file_info = NULL; | |
544 | goto end; | |
545 | } | |
546 | ||
547 | ds_file_info->begin_ns = begin_ns; | |
548 | ||
549 | end: | |
550 | return ds_file_info; | |
551 | } | |
552 | ||
553 | static | |
554 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
555 | { | |
556 | if (!ds_file_group) { | |
557 | return; | |
558 | } | |
559 | ||
560 | if (ds_file_group->ds_file_infos) { | |
561 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
562 | } | |
563 | ||
7ed5243a FD |
564 | if (ds_file_group->index) { |
565 | if (ds_file_group->index->entries) { | |
566 | g_ptr_array_free(ds_file_group->index->entries, TRUE); | |
567 | } | |
568 | g_free(ds_file_group->index); | |
569 | } | |
570 | ||
c5b9b441 | 571 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
572 | g_free(ds_file_group); |
573 | } | |
574 | ||
575 | static | |
576 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
577 | struct ctf_fs_trace *ctf_fs_trace, | |
60363f2f | 578 | struct ctf_stream_class *sc, |
7ed5243a FD |
579 | uint64_t stream_instance_id, |
580 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
581 | { |
582 | struct ctf_fs_ds_file_group *ds_file_group; | |
583 | ||
94cf822e PP |
584 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
585 | if (!ds_file_group) { | |
586 | goto error; | |
587 | } | |
588 | ||
589 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
590 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
591 | if (!ds_file_group->ds_file_infos) { | |
592 | goto error; | |
593 | } | |
594 | ||
7ed5243a FD |
595 | ds_file_group->index = index; |
596 | ||
547eacf1 | 597 | ds_file_group->stream_id = stream_instance_id; |
60363f2f PP |
598 | BT_ASSERT(sc); |
599 | ds_file_group->sc = sc; | |
94cf822e | 600 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
601 | goto end; |
602 | ||
603 | error: | |
604 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
7ed5243a | 605 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
606 | ds_file_group = NULL; |
607 | ||
608 | end: | |
609 | return ds_file_group; | |
610 | } | |
611 | ||
8bf7105e MJ |
612 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
613 | static | |
614 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
615 | { | |
616 | size_t original_array_len = array->len; | |
617 | ||
618 | /* Allocate an unused element at the end of the array. */ | |
619 | g_ptr_array_add(array, NULL); | |
620 | ||
621 | /* If we are not inserting at the end, move the elements by one. */ | |
622 | if (pos < original_array_len) { | |
623 | memmove(&(array->pdata[pos + 1]), | |
624 | &(array->pdata[pos]), | |
625 | (original_array_len - pos) * sizeof(gpointer)); | |
626 | } | |
627 | ||
f897d50c | 628 | /* Insert the value. */ |
8bf7105e MJ |
629 | array->pdata[pos] = element; |
630 | } | |
631 | ||
41a65f30 SM |
632 | /* |
633 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
634 | * place to keep it sorted. | |
635 | */ | |
636 | ||
637 | static | |
638 | void ds_file_group_insert_ds_file_info_sorted( | |
639 | struct ctf_fs_ds_file_group *ds_file_group, | |
640 | struct ctf_fs_ds_file_info *ds_file_info) | |
641 | { | |
642 | guint i; | |
643 | ||
644 | /* Find the spot where to insert this ds_file_info. */ | |
645 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
646 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
647 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
648 | ||
649 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
650 | break; | |
651 | } | |
652 | } | |
653 | ||
654 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
655 | } | |
656 | ||
7ed5243a FD |
657 | static |
658 | void ds_file_group_insert_ds_index_entry_sorted( | |
659 | struct ctf_fs_ds_file_group *ds_file_group, | |
660 | struct ctf_fs_ds_index_entry *entry) | |
661 | { | |
662 | guint i; | |
663 | ||
664 | /* Find the spot where to insert this index entry. */ | |
665 | for (i = 0; i < ds_file_group->index->entries->len; i++) { | |
666 | struct ctf_fs_ds_index_entry *other_entry = g_ptr_array_index( | |
667 | ds_file_group->index->entries, i); | |
668 | ||
669 | if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) { | |
670 | break; | |
671 | } | |
672 | } | |
673 | ||
674 | array_insert(ds_file_group->index->entries, entry, i); | |
675 | } | |
676 | ||
41a65f30 SM |
677 | /* |
678 | * Create a new ds_file_info using the provided path, begin_ns and index, then | |
679 | * add it to ds_file_group's list of ds_file_infos. | |
680 | */ | |
681 | ||
94cf822e PP |
682 | static |
683 | int ctf_fs_ds_file_group_add_ds_file_info( | |
684 | struct ctf_fs_ds_file_group *ds_file_group, | |
7ed5243a | 685 | const char *path, int64_t begin_ns) |
94cf822e PP |
686 | { |
687 | struct ctf_fs_ds_file_info *ds_file_info; | |
94cf822e PP |
688 | int ret = 0; |
689 | ||
7ed5243a | 690 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
94cf822e PP |
691 | if (!ds_file_info) { |
692 | goto error; | |
693 | } | |
694 | ||
41a65f30 | 695 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e | 696 | |
94cf822e PP |
697 | ds_file_info = NULL; |
698 | goto end; | |
699 | ||
700 | error: | |
701 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
702 | ret = -1; | |
94cf822e PP |
703 | end: |
704 | return ret; | |
705 | } | |
706 | ||
707 | static | |
708 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 709 | const char *path) |
94cf822e | 710 | { |
44c440bc PP |
711 | int64_t stream_instance_id = -1; |
712 | int64_t begin_ns = -1; | |
94cf822e PP |
713 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
714 | bool add_group = false; | |
715 | int ret; | |
716 | size_t i; | |
6de92955 | 717 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 718 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 719 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 720 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 721 | struct bt_msg_iter_packet_properties props; |
94cf822e | 722 | |
d6e69534 | 723 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
6de92955 | 724 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
d6e69534 PP |
725 | if (!msg_iter) { |
726 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
6de92955 PP |
727 | goto error; |
728 | } | |
729 | ||
d6e69534 | 730 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
5c563278 | 731 | NULL, path); |
97ade20b JG |
732 | if (!ds_file) { |
733 | goto error; | |
734 | } | |
735 | ||
41693723 | 736 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 737 | if (ret) { |
55314f2a | 738 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
739 | path); |
740 | goto error; | |
741 | } | |
742 | ||
44c440bc PP |
743 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
744 | props.stream_class_id); | |
745 | BT_ASSERT(sc); | |
44c440bc PP |
746 | stream_instance_id = props.data_stream_id; |
747 | ||
748 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
749 | BT_ASSERT(sc->default_clock_class); | |
0f2d58c9 PP |
750 | ret = bt_util_clock_cycles_to_ns_from_origin( |
751 | props.snapshots.beginning_clock, | |
752 | sc->default_clock_class->frequency, | |
753 | sc->default_clock_class->offset_seconds, | |
754 | sc->default_clock_class->offset_cycles, &begin_ns); | |
44c440bc PP |
755 | if (ret) { |
756 | BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", | |
757 | path); | |
758 | goto error; | |
759 | } | |
94cf822e PP |
760 | } |
761 | ||
97ade20b JG |
762 | index = ctf_fs_ds_file_build_index(ds_file); |
763 | if (!index) { | |
764 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
765 | ds_file->file->path->str); | |
766 | } | |
767 | ||
44c440bc | 768 | if (begin_ns == -1) { |
94cf822e PP |
769 | /* |
770 | * No beggining timestamp to sort the stream files | |
771 | * within a stream file group, so consider that this | |
772 | * file must be the only one within its group. | |
773 | */ | |
44c440bc | 774 | stream_instance_id = -1; |
94cf822e PP |
775 | } |
776 | ||
44c440bc | 777 | if (stream_instance_id == -1) { |
94cf822e PP |
778 | /* |
779 | * No stream instance ID or no beginning timestamp: | |
780 | * create a unique stream file group for this stream | |
781 | * file because, even if there's a stream instance ID, | |
782 | * there's no timestamp to order the file within its | |
783 | * group. | |
784 | */ | |
94cf822e | 785 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
7ed5243a FD |
786 | sc, UINT64_C(-1), index); |
787 | /* Ownership of index is transferred. */ | |
788 | index = NULL; | |
789 | ||
94cf822e PP |
790 | if (!ds_file_group) { |
791 | goto error; | |
792 | } | |
793 | ||
794 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
7ed5243a | 795 | path, begin_ns); |
94cf822e PP |
796 | if (ret) { |
797 | goto error; | |
798 | } | |
799 | ||
800 | add_group = true; | |
801 | goto end; | |
802 | } | |
803 | ||
44c440bc PP |
804 | BT_ASSERT(stream_instance_id != -1); |
805 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
806 | |
807 | /* Find an existing stream file group with this ID */ | |
808 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
809 | ds_file_group = g_ptr_array_index( |
810 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 811 | |
60363f2f | 812 | if (ds_file_group->sc == sc && |
547eacf1 PP |
813 | ds_file_group->stream_id == |
814 | stream_instance_id) { | |
94cf822e PP |
815 | break; |
816 | } | |
817 | ||
818 | ds_file_group = NULL; | |
819 | } | |
820 | ||
821 | if (!ds_file_group) { | |
822 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
7ed5243a FD |
823 | sc, stream_instance_id, index); |
824 | /* Ownership of index is transferred. */ | |
825 | index = NULL; | |
94cf822e PP |
826 | if (!ds_file_group) { |
827 | goto error; | |
828 | } | |
829 | ||
830 | add_group = true; | |
831 | } | |
832 | ||
547eacf1 | 833 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
7ed5243a | 834 | begin_ns); |
94cf822e PP |
835 | if (ret) { |
836 | goto error; | |
837 | } | |
838 | ||
839 | goto end; | |
840 | ||
841 | error: | |
842 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
90e1eb09 | 843 | ds_file_group = NULL; |
94cf822e PP |
844 | ret = -1; |
845 | ||
846 | end: | |
847 | if (add_group && ds_file_group) { | |
848 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
849 | } | |
547eacf1 | 850 | |
97ade20b | 851 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 852 | |
d6e69534 PP |
853 | if (msg_iter) { |
854 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
855 | } |
856 | ||
97ade20b | 857 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
858 | return ret; |
859 | } | |
860 | ||
861 | static | |
e5be10ef | 862 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
863 | { |
864 | int ret = 0; | |
4f1f88a6 | 865 | const char *basename; |
e7a4393b | 866 | GError *error = NULL; |
4f1f88a6 | 867 | GDir *dir = NULL; |
e7a4393b | 868 | |
94cf822e | 869 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 870 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 871 | if (!dir) { |
55314f2a | 872 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 873 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 874 | error->code); |
e7a4393b JG |
875 | goto error; |
876 | } | |
877 | ||
4f1f88a6 | 878 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
879 | struct ctf_fs_file *file; |
880 | ||
4f1f88a6 | 881 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 882 | /* Ignore the metadata stream. */ |
3f7d4d90 | 883 | BT_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 884 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
885 | continue; |
886 | } | |
887 | ||
4f1f88a6 | 888 | if (basename[0] == '.') { |
3f7d4d90 | 889 | BT_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 890 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
891 | continue; |
892 | } | |
893 | ||
894 | /* Create the file. */ | |
55314f2a | 895 | file = ctf_fs_file_create(); |
e7a4393b | 896 | if (!file) { |
3743a302 | 897 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 898 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
899 | goto error; |
900 | } | |
901 | ||
902 | /* Create full path string. */ | |
3743a302 | 903 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 904 | ctf_fs_trace->path->str, basename); |
e7a4393b | 905 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
3f7d4d90 | 906 | BT_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 907 | file->path->str); |
e7a4393b | 908 | ctf_fs_file_destroy(file); |
4f1f88a6 | 909 | file = NULL; |
e7a4393b JG |
910 | continue; |
911 | } | |
912 | ||
55314f2a | 913 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 914 | if (ret) { |
55314f2a | 915 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
916 | goto error; |
917 | } | |
918 | ||
9fa0891a JG |
919 | if (file->size == 0) { |
920 | /* Skip empty stream. */ | |
3f7d4d90 | 921 | BT_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
922 | ctf_fs_file_destroy(file); |
923 | continue; | |
924 | } | |
925 | ||
e5be10ef | 926 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 927 | file->path->str); |
4f1f88a6 | 928 | if (ret) { |
89b08333 | 929 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 930 | file->path->str); |
94cf822e | 931 | ctf_fs_file_destroy(file); |
e7a4393b JG |
932 | goto error; |
933 | } | |
934 | ||
4f1f88a6 | 935 | ctf_fs_file_destroy(file); |
e7a4393b JG |
936 | } |
937 | ||
938 | goto end; | |
4f1f88a6 | 939 | |
e7a4393b JG |
940 | error: |
941 | ret = -1; | |
4f1f88a6 | 942 | |
e7a4393b JG |
943 | end: |
944 | if (dir) { | |
945 | g_dir_close(dir); | |
946 | dir = NULL; | |
947 | } | |
4f1f88a6 | 948 | |
e7a4393b JG |
949 | if (error) { |
950 | g_error_free(error); | |
951 | } | |
5b29e799 | 952 | |
91457551 | 953 | return ret; |
5b29e799 JG |
954 | } |
955 | ||
862ca4ed | 956 | static |
b19ff26f | 957 | int set_trace_name(bt_trace *trace, const char *name_suffix) |
862ca4ed PP |
958 | { |
959 | int ret = 0; | |
b19ff26f PP |
960 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
961 | const bt_value *val; | |
862ca4ed PP |
962 | GString *name; |
963 | ||
964 | name = g_string_new(NULL); | |
965 | if (!name) { | |
966 | BT_LOGE_STR("Failed to allocate a GString."); | |
967 | ret = -1; | |
968 | goto end; | |
969 | } | |
970 | ||
971 | /* | |
972 | * Check if we have a trace environment string value named `hostname`. | |
973 | * If so, use it as the trace name's prefix. | |
974 | */ | |
975 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
976 | tc, "hostname"); | |
977 | if (val && bt_value_is_string(val)) { | |
978 | g_string_append(name, bt_value_string_get(val)); | |
979 | ||
980 | if (name_suffix) { | |
981 | g_string_append_c(name, G_DIR_SEPARATOR); | |
982 | } | |
983 | } | |
984 | ||
985 | if (name_suffix) { | |
986 | g_string_append(name, name_suffix); | |
987 | } | |
988 | ||
989 | ret = bt_trace_set_name(trace, name->str); | |
990 | if (ret) { | |
991 | goto end; | |
992 | } | |
993 | ||
994 | goto end; | |
995 | ||
996 | end: | |
997 | if (name) { | |
998 | g_string_free(name, TRUE); | |
999 | } | |
1000 | ||
1001 | return ret; | |
1002 | } | |
1003 | ||
f280892e | 1004 | static |
41693723 PP |
1005 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component_source *self_comp, |
1006 | const char *path, const char *name, | |
e5be10ef | 1007 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
1008 | { |
1009 | struct ctf_fs_trace *ctf_fs_trace; | |
1010 | int ret; | |
1011 | ||
1012 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
1013 | if (!ctf_fs_trace) { | |
1014 | goto end; | |
1015 | } | |
1016 | ||
1a9f7075 PP |
1017 | ctf_fs_trace->path = g_string_new(path); |
1018 | if (!ctf_fs_trace->path) { | |
1019 | goto error; | |
1020 | } | |
1021 | ||
1022 | ctf_fs_trace->name = g_string_new(name); | |
1023 | if (!ctf_fs_trace->name) { | |
1024 | goto error; | |
1025 | } | |
1026 | ||
1027 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
1028 | if (!ctf_fs_trace->metadata) { | |
1029 | goto error; | |
1030 | } | |
1031 | ||
44c440bc | 1032 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
1033 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1034 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1035 | if (!ctf_fs_trace->ds_file_groups) { | |
1036 | goto error; | |
1037 | } | |
1038 | ||
41693723 PP |
1039 | ret = ctf_fs_metadata_set_trace_class(self_comp, |
1040 | ctf_fs_trace, metadata_config); | |
862ca4ed PP |
1041 | if (ret) { |
1042 | goto error; | |
1043 | } | |
1044 | ||
41693723 PP |
1045 | if (ctf_fs_trace->metadata->trace_class) { |
1046 | ctf_fs_trace->trace = | |
1047 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1048 | if (!ctf_fs_trace->trace) { | |
1049 | goto error; | |
1050 | } | |
862ca4ed PP |
1051 | } |
1052 | ||
41693723 PP |
1053 | if (ctf_fs_trace->trace) { |
1054 | ret = set_trace_name(ctf_fs_trace->trace, name); | |
1055 | if (ret) { | |
1056 | goto error; | |
1057 | } | |
1a9f7075 PP |
1058 | } |
1059 | ||
e5be10ef | 1060 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1061 | if (ret) { |
1062 | goto error; | |
1063 | } | |
1064 | ||
1a9f7075 PP |
1065 | goto end; |
1066 | ||
1067 | error: | |
1068 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1069 | ctf_fs_trace = NULL; | |
44c440bc | 1070 | |
1a9f7075 PP |
1071 | end: |
1072 | return ctf_fs_trace; | |
1073 | } | |
1074 | ||
1075 | static | |
1076 | int path_is_ctf_trace(const char *path) | |
1077 | { | |
1078 | GString *metadata_path = g_string_new(NULL); | |
1079 | int ret = 0; | |
1080 | ||
1081 | if (!metadata_path) { | |
1082 | ret = -1; | |
1083 | goto end; | |
1084 | } | |
1085 | ||
3743a302 | 1086 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1087 | |
1088 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1089 | ret = 1; | |
1090 | goto end; | |
1091 | } | |
1092 | ||
1093 | end: | |
1094 | g_string_free(metadata_path, TRUE); | |
1095 | return ret; | |
1096 | } | |
1097 | ||
1098 | static | |
55314f2a | 1099 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1100 | { |
4bd72b60 | 1101 | GString *norm_path = NULL; |
1a9f7075 | 1102 | int ret = 0; |
1a9f7075 | 1103 | |
4bd72b60 PP |
1104 | norm_path = bt_common_normalize_path(path, NULL); |
1105 | if (!norm_path) { | |
55314f2a | 1106 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1107 | ret = -1; |
1108 | goto end; | |
1109 | } | |
1110 | ||
3743a302 | 1111 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1112 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1113 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1114 | ret = -1; |
1115 | goto end; | |
1116 | } | |
1117 | ||
4bd72b60 | 1118 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1119 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1120 | norm_path = NULL; |
1a9f7075 PP |
1121 | |
1122 | end: | |
4bd72b60 PP |
1123 | if (norm_path) { |
1124 | g_string_free(norm_path, TRUE); | |
1125 | } | |
1126 | ||
1a9f7075 PP |
1127 | return ret; |
1128 | } | |
1129 | ||
f280892e | 1130 | static |
55314f2a | 1131 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) |
1a9f7075 PP |
1132 | { |
1133 | int ret; | |
1134 | GError *error = NULL; | |
1135 | GDir *dir = NULL; | |
1136 | const char *basename = NULL; | |
1137 | ||
1138 | /* Check if the starting path is a CTF trace itself */ | |
1139 | ret = path_is_ctf_trace(start_path); | |
1140 | if (ret < 0) { | |
1141 | goto end; | |
1142 | } | |
1143 | ||
1144 | if (ret) { | |
1145 | /* | |
4bd72b60 PP |
1146 | * Stop recursion: a CTF trace cannot contain another |
1147 | * CTF trace. | |
1a9f7075 | 1148 | */ |
55314f2a | 1149 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1150 | goto end; |
1151 | } | |
1152 | ||
1153 | /* Look for subdirectories */ | |
1154 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1155 | /* Starting path is not a directory: end of recursion */ | |
1156 | goto end; | |
1157 | } | |
1158 | ||
1159 | dir = g_dir_open(start_path, 0, &error); | |
1160 | if (!dir) { | |
1161 | if (error->code == G_FILE_ERROR_ACCES) { | |
3f7d4d90 | 1162 | BT_LOGI("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1163 | start_path, error->message, error->code); |
1164 | goto end; | |
1165 | } | |
1166 | ||
55314f2a | 1167 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1168 | start_path, error->message, error->code); |
1169 | ret = -1; | |
1170 | goto end; | |
1171 | } | |
1172 | ||
1173 | while ((basename = g_dir_read_name(dir))) { | |
1174 | GString *sub_path = g_string_new(NULL); | |
1175 | ||
1176 | if (!sub_path) { | |
1177 | ret = -1; | |
1178 | goto end; | |
1179 | } | |
1180 | ||
3743a302 | 1181 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1182 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1183 | g_string_free(sub_path, TRUE); |
1184 | if (ret) { | |
1185 | goto end; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | end: | |
1190 | if (dir) { | |
1191 | g_dir_close(dir); | |
1192 | } | |
1193 | ||
1194 | if (error) { | |
1195 | g_error_free(error); | |
1196 | } | |
1197 | ||
1198 | return ret; | |
1199 | } | |
1200 | ||
f280892e | 1201 | static |
55314f2a | 1202 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1203 | GList *trace_names = NULL; |
1a9f7075 | 1204 | GList *node; |
4bd72b60 PP |
1205 | const char *last_sep; |
1206 | size_t base_dist; | |
1a9f7075 PP |
1207 | |
1208 | /* | |
4bd72b60 PP |
1209 | * At this point we know that all the trace paths are |
1210 | * normalized, and so is the base path. This means that | |
1211 | * they are absolute and they don't end with a separator. | |
1212 | * We can simply find the location of the last separator | |
1213 | * in the base path, which gives us the name of the actual | |
1214 | * directory to look into, and use this location as the | |
1215 | * start of each trace name within each trace path. | |
1216 | * | |
1217 | * For example: | |
1218 | * | |
1219 | * Base path: /home/user/my-traces/some-trace | |
1220 | * Trace paths: | |
1221 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1222 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1223 | * - /home/user/my-traces/some-trace/host2/trace | |
1224 | * - /home/user/my-traces/some-trace/other-trace | |
1225 | * | |
1226 | * In this case the trace names are: | |
1227 | * | |
1228 | * - some-trace/host1/trace1 | |
1229 | * - some-trace/host1/trace2 | |
1230 | * - some-trace/host2/trace | |
1231 | * - some-trace/other-trace | |
1a9f7075 | 1232 | */ |
4bd72b60 | 1233 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1234 | |
4bd72b60 | 1235 | /* We know there's at least one separator */ |
f6ccaed9 | 1236 | BT_ASSERT(last_sep); |
1a9f7075 | 1237 | |
4bd72b60 PP |
1238 | /* Distance to base */ |
1239 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1240 | |
1241 | /* Create the trace names */ | |
1242 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1243 | GString *trace_name = g_string_new(NULL); | |
1244 | GString *trace_path = node->data; | |
1245 | ||
f6ccaed9 | 1246 | BT_ASSERT(trace_name); |
4bd72b60 | 1247 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1248 | trace_names = g_list_append(trace_names, trace_name); |
1249 | } | |
1250 | ||
1251 | return trace_names; | |
1252 | } | |
1253 | ||
f280892e SM |
1254 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1255 | ||
1a9f7075 | 1256 | static |
f280892e | 1257 | int ctf_fs_component_create_ctf_fs_traces_one_root(bt_self_component_source *self_comp, |
41693723 | 1258 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1259 | const char *path_param) |
1260 | { | |
1261 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1262 | int ret = 0; | |
4bd72b60 | 1263 | GString *norm_path = NULL; |
1a9f7075 PP |
1264 | GList *trace_paths = NULL; |
1265 | GList *trace_names = NULL; | |
1266 | GList *tp_node; | |
1267 | GList *tn_node; | |
1268 | ||
4bd72b60 PP |
1269 | norm_path = bt_common_normalize_path(path_param, NULL); |
1270 | if (!norm_path) { | |
55314f2a | 1271 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1272 | path_param); |
1273 | goto error; | |
1274 | } | |
1275 | ||
55314f2a | 1276 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1277 | if (ret) { |
1278 | goto error; | |
1279 | } | |
1280 | ||
1281 | if (!trace_paths) { | |
55314f2a | 1282 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1283 | path_param); |
1284 | goto error; | |
1285 | } | |
1286 | ||
55314f2a | 1287 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1288 | if (!trace_names) { |
55314f2a | 1289 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1290 | goto error; |
1291 | } | |
1292 | ||
1293 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1294 | tp_node = g_list_next(tp_node), | |
1295 | tn_node = g_list_next(tn_node)) { | |
1296 | GString *trace_path = tp_node->data; | |
1297 | GString *trace_name = tn_node->data; | |
1298 | ||
41693723 PP |
1299 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1300 | trace_path->str, trace_name->str, | |
1301 | &ctf_fs->metadata_config); | |
1a9f7075 | 1302 | if (!ctf_fs_trace) { |
55314f2a | 1303 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1304 | trace_path->str); |
1305 | goto error; | |
1306 | } | |
52c5fe74 PP |
1307 | |
1308 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1309 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1310 | } |
1311 | ||
1a9f7075 PP |
1312 | goto end; |
1313 | ||
1314 | error: | |
1315 | ret = -1; | |
1316 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1317 | ||
1318 | end: | |
1319 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1320 | if (tp_node->data) { | |
1321 | g_string_free(tp_node->data, TRUE); | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1326 | if (tn_node->data) { | |
1327 | g_string_free(tn_node->data, TRUE); | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | if (trace_paths) { | |
1332 | g_list_free(trace_paths); | |
1333 | } | |
1334 | ||
1335 | if (trace_names) { | |
1336 | g_list_free(trace_names); | |
1337 | } | |
1338 | ||
4bd72b60 PP |
1339 | if (norm_path) { |
1340 | g_string_free(norm_path, TRUE); | |
1341 | } | |
1342 | ||
1a9f7075 PP |
1343 | return ret; |
1344 | } | |
1345 | ||
41a65f30 SM |
1346 | /* GCompareFunc to sort traces by UUID. */ |
1347 | ||
1348 | static | |
1349 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1350 | { | |
1351 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1352 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1353 | ||
1354 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1355 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1356 | gint ret; | |
1357 | ||
1358 | /* Order traces without uuid first. */ | |
1359 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1360 | ret = -1; | |
1361 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1362 | ret = 1; | |
1363 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1364 | ret = 0; | |
1365 | } else { | |
1366 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1367 | } | |
1368 | ||
1369 | return ret; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * Count the number of stream and event classes defined by this trace's metadata. | |
1374 | * | |
1375 | * This is used to determine which metadata is the "latest", out of multiple | |
1376 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1377 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1378 | * enough to just count the classes. | |
1379 | */ | |
1380 | ||
1381 | static | |
1382 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1383 | { | |
1384 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1385 | guint i; | |
1386 | ||
1387 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1388 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1389 | num += sc->event_classes->len; | |
1390 | } | |
1391 | ||
1392 | return num; | |
1393 | } | |
1394 | ||
1395 | /* | |
1396 | * Merge the src ds_file_group into dest. This consists of merging their | |
1397 | * ds_file_infos, making sure to keep the result sorted. | |
1398 | */ | |
1399 | ||
1400 | static | |
1401 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1402 | { | |
1403 | guint i; | |
1404 | ||
1405 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1406 | struct ctf_fs_ds_file_info *ds_file_info = | |
1407 | g_ptr_array_index(src->ds_file_infos, i); | |
1408 | ||
1409 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1410 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1411 | ||
1412 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1413 | } | |
41a65f30 | 1414 | |
7ed5243a FD |
1415 | /* Merge both indexes. */ |
1416 | for (i = 0; i < src->index->entries->len; i++) { | |
1417 | struct ctf_fs_ds_index_entry *entry = g_ptr_array_index( | |
1418 | src->index->entries, i); | |
1419 | ||
1420 | /* | |
1421 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
1422 | * dest. | |
1423 | */ | |
1424 | g_ptr_array_index(src->index->entries, i) = NULL; | |
1425 | ||
1426 | ds_file_group_insert_ds_index_entry_sorted(dest, entry); | |
1427 | } | |
1428 | } | |
41a65f30 SM |
1429 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1430 | ||
1431 | static | |
54ef52bd | 1432 | int merge_matching_ctf_fs_ds_file_groups( |
41a65f30 SM |
1433 | struct ctf_fs_trace *dest_trace, |
1434 | struct ctf_fs_trace *src_trace) | |
1435 | { | |
1436 | ||
1437 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1438 | GPtrArray *src = src_trace->ds_file_groups; | |
1439 | guint s_i; | |
54ef52bd | 1440 | int ret = 0; |
41a65f30 SM |
1441 | |
1442 | /* | |
1443 | * Save the initial length of dest: we only want to check against the | |
1444 | * original elements in the inner loop. | |
1445 | */ | |
1446 | const guint dest_len = dest->len; | |
1447 | ||
1448 | for (s_i = 0; s_i < src->len; s_i++) { | |
1449 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1450 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1451 | ||
1452 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1453 | if (src_group->stream_id != -1) { | |
1454 | guint d_i; | |
1455 | ||
1456 | /* Let's search for a matching ds_file_group in the destination. */ | |
1457 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1458 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1459 | ||
1460 | /* Can't match a stream instance without ID. */ | |
1461 | if (candidate_dest->stream_id == -1) { | |
1462 | continue; | |
1463 | } | |
1464 | ||
1465 | /* | |
1466 | * If the two groups have the same stream instance id | |
1467 | * and belong to the same stream class (stream instance | |
1468 | * ids are per-stream class), they represent the same | |
1469 | * stream instance. | |
1470 | */ | |
1471 | if (candidate_dest->stream_id != src_group->stream_id || | |
1472 | candidate_dest->sc->id != src_group->sc->id) { | |
1473 | continue; | |
1474 | } | |
1475 | ||
1476 | dest_group = candidate_dest; | |
1477 | break; | |
1478 | } | |
1479 | } | |
1480 | ||
1481 | /* | |
1482 | * Didn't find a friend in dest to merge our src_group into? | |
7ed5243a FD |
1483 | * Create a new empty one. This can happen if a stream was |
1484 | * active in the source trace chunk but not in the destination | |
1485 | * trace chunk. | |
41a65f30 SM |
1486 | */ |
1487 | if (!dest_group) { | |
1488 | struct ctf_stream_class *sc; | |
7ed5243a | 1489 | struct ctf_fs_ds_index *index; |
41a65f30 SM |
1490 | |
1491 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1492 | dest_trace->metadata->tc, src_group->sc->id); | |
1493 | BT_ASSERT(sc); | |
1494 | ||
7ed5243a FD |
1495 | index = ctf_fs_ds_index_create(); |
1496 | if (!index) { | |
1497 | ret = -1; | |
1498 | goto end; | |
1499 | } | |
1500 | ||
41a65f30 | 1501 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
7ed5243a FD |
1502 | src_group->stream_id, index); |
1503 | /* Ownership of index is transferred. */ | |
1504 | index = NULL; | |
54ef52bd FD |
1505 | if (!dest_group) { |
1506 | ret = -1; | |
1507 | goto end; | |
1508 | } | |
41a65f30 SM |
1509 | |
1510 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1511 | } | |
1512 | ||
1513 | BT_ASSERT(dest_group); | |
1514 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1515 | } | |
54ef52bd FD |
1516 | |
1517 | end: | |
1518 | return ret; | |
41a65f30 SM |
1519 | } |
1520 | ||
1521 | /* | |
1522 | * Collapse the given traces, which must all share the same UUID, in a single | |
1523 | * one. | |
1524 | * | |
1525 | * The trace with the most expansive metadata is chosen and all other traces | |
1526 | * are merged into that one. The array slots of all the traces that get merged | |
1527 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1528 | * remains non-NULL. | |
1529 | */ | |
1530 | ||
1531 | static | |
54ef52bd | 1532 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) |
41a65f30 SM |
1533 | { |
1534 | unsigned int winner_count; | |
1535 | struct ctf_fs_trace *winner; | |
1536 | guint i; | |
54ef52bd | 1537 | int ret = 0; |
41a65f30 SM |
1538 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
1539 | ||
1540 | BT_ASSERT(num_traces >= 2); | |
1541 | ||
1542 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1543 | winner = traces[0]; | |
1544 | ||
1545 | /* Find the trace with the largest metadata. */ | |
1546 | for (i = 1; i < num_traces; i++) { | |
1547 | struct ctf_fs_trace *candidate; | |
1548 | unsigned int candidate_count; | |
1549 | ||
1550 | candidate = traces[i]; | |
1551 | ||
1552 | /* A bit of sanity check. */ | |
1553 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1554 | ||
1555 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1556 | ||
1557 | if (candidate_count > winner_count) { | |
1558 | winner_count = candidate_count; | |
1559 | winner = candidate; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | /* Merge all the other traces in the winning trace. */ | |
1564 | for (i = 0; i < num_traces; i++) { | |
1565 | struct ctf_fs_trace *trace = traces[i]; | |
1566 | ||
1567 | /* Don't merge the winner into itself. */ | |
1568 | if (trace == winner) { | |
1569 | continue; | |
1570 | } | |
1571 | ||
1572 | /* Merge trace's data stream file groups into winner's. */ | |
54ef52bd FD |
1573 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1574 | if (ret) { | |
1575 | goto end; | |
1576 | } | |
41a65f30 SM |
1577 | |
1578 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1579 | ctf_fs_trace_destroy(trace); | |
1580 | traces[i] = NULL; | |
1581 | } | |
1582 | ||
1583 | /* Use the string representation of the UUID as the trace name. */ | |
1584 | bt_uuid_unparse(winner->metadata->tc->uuid, uuid_str); | |
1585 | g_string_printf(winner->name, "%s", uuid_str); | |
54ef52bd FD |
1586 | |
1587 | end: | |
1588 | return ret; | |
41a65f30 SM |
1589 | } |
1590 | ||
1591 | /* | |
1592 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1593 | * Traces with no UUID are not merged. | |
1594 | */ | |
1595 | ||
1596 | static | |
54ef52bd | 1597 | int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) |
41a65f30 SM |
1598 | { |
1599 | GPtrArray *traces = ctf_fs->traces; | |
1600 | guint range_start_idx = 0; | |
1601 | unsigned int num_traces = 0; | |
1602 | guint i; | |
54ef52bd | 1603 | int ret = 0; |
41a65f30 SM |
1604 | |
1605 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1606 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1607 | ||
1608 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1609 | while (range_start_idx < traces->len) { | |
1610 | guint range_len; | |
1611 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1612 | ||
1613 | /* Exclusive end of range. */ | |
1614 | guint range_end_exc_idx = range_start_idx + 1; | |
1615 | ||
1616 | while (range_end_exc_idx < traces->len) { | |
1617 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1618 | ||
1619 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1620 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1621 | break; | |
1622 | } | |
1623 | ||
1624 | range_end_exc_idx++; | |
1625 | } | |
1626 | ||
1627 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1628 | range_len = range_end_exc_idx - range_start_idx; | |
1629 | if (range_len > 1) { | |
1630 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
54ef52bd FD |
1631 | ret = merge_ctf_fs_traces(range_start, range_len); |
1632 | if (ret) { | |
1633 | goto end; | |
1634 | } | |
41a65f30 SM |
1635 | } |
1636 | ||
1637 | num_traces++; | |
1638 | range_start_idx = range_end_exc_idx; | |
1639 | } | |
1640 | ||
1641 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1642 | for (i = 0; i < traces->len;) { | |
1643 | if (g_ptr_array_index(traces, i) == NULL) { | |
1644 | g_ptr_array_remove_index_fast(traces, i); | |
1645 | } else { | |
1646 | i++; | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | BT_ASSERT(num_traces == traces->len); | |
54ef52bd FD |
1651 | |
1652 | end: | |
1653 | return ret; | |
41a65f30 SM |
1654 | } |
1655 | ||
f280892e SM |
1656 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
1657 | struct ctf_fs_component *ctf_fs, | |
1658 | const bt_value *paths_value) | |
1659 | { | |
1660 | int ret = 0; | |
1661 | uint64_t i; | |
1662 | ||
1663 | for (i = 0; i < bt_value_array_get_size(paths_value); i++) { | |
1664 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1665 | const char *path = bt_value_string_get(path_value); | |
1666 | ||
1667 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(self_comp, ctf_fs, path); | |
1668 | if (ret) { | |
1669 | goto end; | |
1670 | } | |
1671 | } | |
1672 | ||
54ef52bd | 1673 | ret = merge_traces_with_same_uuid(ctf_fs); |
41a65f30 | 1674 | |
f280892e SM |
1675 | end: |
1676 | return ret; | |
1677 | } | |
1678 | ||
a38d7650 SM |
1679 | static |
1680 | GString *get_stream_instance_unique_name( | |
1681 | struct ctf_fs_ds_file_group *ds_file_group) | |
1682 | { | |
1683 | GString *name; | |
1684 | struct ctf_fs_ds_file_info *ds_file_info; | |
1685 | ||
1686 | name = g_string_new(NULL); | |
1687 | if (!name) { | |
1688 | goto end; | |
1689 | } | |
1690 | ||
1691 | /* | |
1692 | * If there's more than one stream file in the stream file | |
1693 | * group, the first (earliest) stream file's path is used as | |
1694 | * the stream's unique name. | |
1695 | */ | |
1696 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
1697 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
1698 | g_string_assign(name, ds_file_info->path->str); | |
1699 | ||
1700 | end: | |
1701 | return name; | |
1702 | } | |
1703 | ||
f280892e SM |
1704 | /* Create the IR stream objects for ctf_fs_trace. */ |
1705 | ||
1706 | static | |
1707 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
1708 | { | |
1709 | int ret; | |
1710 | GString *name = NULL; | |
1711 | guint i; | |
1712 | ||
1713 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
1714 | struct ctf_fs_ds_file_group *ds_file_group = | |
1715 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
1716 | name = get_stream_instance_unique_name(ds_file_group); | |
1717 | ||
1718 | if (!name) { | |
1719 | goto error; | |
1720 | } | |
1721 | ||
1722 | if (ds_file_group->sc->ir_sc) { | |
1723 | BT_ASSERT(ctf_fs_trace->trace); | |
1724 | ||
1725 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1726 | /* No stream ID: use 0 */ | |
1727 | ds_file_group->stream = bt_stream_create_with_id( | |
1728 | ds_file_group->sc->ir_sc, | |
1729 | ctf_fs_trace->trace, | |
1730 | ctf_fs_trace->next_stream_id); | |
1731 | ctf_fs_trace->next_stream_id++; | |
1732 | } else { | |
1733 | /* Specific stream ID */ | |
1734 | ds_file_group->stream = bt_stream_create_with_id( | |
1735 | ds_file_group->sc->ir_sc, | |
1736 | ctf_fs_trace->trace, | |
1737 | (uint64_t) ds_file_group->stream_id); | |
1738 | } | |
1739 | } else { | |
1740 | ds_file_group->stream = NULL; | |
1741 | } | |
1742 | ||
1743 | if (!ds_file_group->stream) { | |
1744 | BT_LOGE("Cannot create stream for DS file group: " | |
1745 | "addr=%p, stream-name=\"%s\"", | |
1746 | ds_file_group, name->str); | |
1747 | goto error; | |
1748 | } | |
1749 | ||
1750 | ret = bt_stream_set_name(ds_file_group->stream, | |
1751 | name->str); | |
1752 | if (ret) { | |
1753 | BT_LOGE("Cannot set stream's name: " | |
1754 | "addr=%p, stream-name=\"%s\"", | |
1755 | ds_file_group->stream, name->str); | |
1756 | goto error; | |
1757 | } | |
1758 | ||
1759 | g_string_free(name, TRUE); | |
1760 | name = NULL; | |
1761 | } | |
1762 | ||
1763 | ret = 0; | |
1764 | goto end; | |
1765 | ||
1766 | error: | |
1767 | ret = -1; | |
1768 | ||
1769 | end: | |
1770 | ||
1771 | if (name) { | |
1772 | g_string_free(name, TRUE); | |
1773 | } | |
1774 | return ret; | |
1775 | } | |
1776 | ||
d907165c SM |
1777 | /* |
1778 | * Validate the "paths" parameter passed to this component. It must be | |
1779 | * present, and it must be an array of strings. | |
1780 | */ | |
1781 | ||
1782 | static | |
f280892e SM |
1783 | bool validate_paths_parameter(const bt_value *paths) |
1784 | { | |
1785 | bool ret; | |
1786 | bt_value_type type; | |
1787 | uint64_t i; | |
1788 | ||
1789 | if (!paths) { | |
1790 | BT_LOGE("missing \"paths\" parameter"); | |
1791 | goto error; | |
1792 | } | |
1793 | ||
1794 | type = bt_value_get_type(paths); | |
1795 | if (type != BT_VALUE_TYPE_ARRAY) { | |
1796 | BT_LOGE("`paths` parameter: expecting array value: type=%s", | |
1797 | bt_common_value_type_string(type)); | |
1798 | goto error; | |
1799 | } | |
1800 | ||
1801 | for (i = 0; i < bt_value_array_get_size(paths); i++) { | |
1802 | const bt_value *elem; | |
1803 | ||
1804 | elem = bt_value_array_borrow_element_by_index_const(paths, i); | |
1805 | type = bt_value_get_type(elem); | |
1806 | if (type != BT_VALUE_TYPE_STRING) { | |
1807 | BT_LOGE("`paths` parameter: expecting string value: index=%" PRIu64 ", type=%s", | |
1808 | i, bt_common_value_type_string(type)); | |
1809 | goto error; | |
1810 | } | |
1811 | } | |
1812 | ||
1813 | ret = true; | |
1814 | goto end; | |
1815 | ||
1816 | error: | |
1817 | ret = false; | |
1818 | ||
1819 | end: | |
1820 | return ret; | |
1821 | } | |
1822 | ||
d907165c SM |
1823 | bool read_src_fs_parameters(const bt_value *params, |
1824 | const bt_value **paths, struct ctf_fs_component *ctf_fs) { | |
1825 | bool ret; | |
1826 | const bt_value *value; | |
1827 | ||
1828 | /* paths parameter */ | |
1829 | *paths = bt_value_map_borrow_entry_value_const(params, "paths"); | |
1830 | if (!validate_paths_parameter(*paths)) { | |
1831 | goto error; | |
1832 | } | |
1833 | ||
1834 | /* clock-class-offset-s parameter */ | |
1835 | value = bt_value_map_borrow_entry_value_const(params, | |
1836 | "clock-class-offset-s"); | |
1837 | if (value) { | |
fdd3a2da | 1838 | if (!bt_value_is_signed_integer(value)) { |
d907165c SM |
1839 | BT_LOGE("clock-class-offset-s must be an integer"); |
1840 | goto error; | |
1841 | } | |
1842 | ctf_fs->metadata_config.clock_class_offset_s = | |
fdd3a2da | 1843 | bt_value_signed_integer_get(value); |
d907165c SM |
1844 | } |
1845 | ||
1846 | /* clock-class-offset-ns parameter */ | |
1847 | value = bt_value_map_borrow_entry_value_const(params, | |
1848 | "clock-class-offset-ns"); | |
1849 | if (value) { | |
fdd3a2da | 1850 | if (!bt_value_is_signed_integer(value)) { |
d907165c SM |
1851 | BT_LOGE("clock-class-offset-ns must be an integer"); |
1852 | goto error; | |
1853 | } | |
1854 | ctf_fs->metadata_config.clock_class_offset_ns = | |
fdd3a2da | 1855 | bt_value_signed_integer_get(value); |
d907165c SM |
1856 | } |
1857 | ||
1858 | ||
1859 | ret = true; | |
1860 | goto end; | |
1861 | ||
1862 | error: | |
1863 | ret = false; | |
1864 | ||
1865 | end: | |
1866 | return ret; | |
1867 | } | |
1868 | ||
5b29e799 | 1869 | static |
d94d92ac | 1870 | struct ctf_fs_component *ctf_fs_create( |
b19ff26f PP |
1871 | bt_self_component_source *self_comp, |
1872 | const bt_value *params) | |
56a1cced | 1873 | { |
f280892e | 1874 | struct ctf_fs_component *ctf_fs = NULL; |
f280892e SM |
1875 | guint i; |
1876 | const bt_value *paths_value; | |
56a1cced | 1877 | |
d907165c SM |
1878 | ctf_fs = ctf_fs_component_create(); |
1879 | if (!ctf_fs) { | |
f280892e SM |
1880 | goto error; |
1881 | } | |
1882 | ||
d907165c | 1883 | if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) { |
f280892e | 1884 | goto error; |
56a1cced JG |
1885 | } |
1886 | ||
d94d92ac | 1887 | bt_self_component_set_data( |
707b7d35 | 1888 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1889 | ctf_fs); |
1a9f7075 | 1890 | |
4f1f88a6 PP |
1891 | /* |
1892 | * We don't need to get a new reference here because as long as | |
1893 | * our private ctf_fs_component object exists, the containing | |
1894 | * private component should also exist. | |
1895 | */ | |
d94d92ac | 1896 | ctf_fs->self_comp = self_comp; |
56a1cced | 1897 | |
f280892e | 1898 | if (ctf_fs_component_create_ctf_fs_traces(self_comp, ctf_fs, paths_value)) { |
4f1f88a6 PP |
1899 | goto error; |
1900 | } | |
1901 | ||
f280892e SM |
1902 | for (i = 0; i < ctf_fs->traces->len; i++) { |
1903 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 1904 | |
f280892e SM |
1905 | if (create_streams_for_trace(trace)) { |
1906 | goto error; | |
1907 | } | |
1908 | ||
1909 | if (create_ports_for_trace(ctf_fs, trace)) { | |
1910 | goto error; | |
1911 | } | |
4f1f88a6 PP |
1912 | } |
1913 | ||
1ef09eb5 JG |
1914 | goto end; |
1915 | ||
56a1cced | 1916 | error: |
1a9f7075 | 1917 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1918 | ctf_fs = NULL; |
d94d92ac | 1919 | bt_self_component_set_data( |
707b7d35 | 1920 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1921 | NULL); |
1a9f7075 | 1922 | |
1ef09eb5 | 1923 | end: |
56a1cced JG |
1924 | return ctf_fs; |
1925 | } | |
1926 | ||
ea0b4b9e | 1927 | BT_HIDDEN |
4cdfc5e8 | 1928 | bt_self_component_status ctf_fs_init( |
b19ff26f | 1929 | bt_self_component_source *self_comp, |
c88dd1cb | 1930 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
1931 | { |
1932 | struct ctf_fs_component *ctf_fs; | |
4cdfc5e8 | 1933 | bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK; |
ea0b4b9e | 1934 | |
d94d92ac | 1935 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1936 | if (!ctf_fs) { |
d94d92ac | 1937 | ret = BT_SELF_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1938 | } |
4c1456f0 | 1939 | |
ea0b4b9e JG |
1940 | return ret; |
1941 | } | |
33f93973 PP |
1942 | |
1943 | BT_HIDDEN | |
4cdfc5e8 | 1944 | bt_query_status ctf_fs_query( |
b19ff26f PP |
1945 | bt_self_component_class_source *comp_class, |
1946 | const bt_query_executor *query_exec, | |
1947 | const char *object, const bt_value *params, | |
1948 | const bt_value **result) | |
33f93973 | 1949 | { |
4cdfc5e8 | 1950 | bt_query_status status = BT_QUERY_STATUS_OK; |
33f93973 | 1951 | |
04c0ba87 | 1952 | if (!strcmp(object, "metadata-info")) { |
d94d92ac | 1953 | status = metadata_info_query(comp_class, params, result); |
97ade20b | 1954 | } else if (!strcmp(object, "trace-info")) { |
d94d92ac | 1955 | status = trace_info_query(comp_class, params, result); |
33f93973 | 1956 | } else { |
55314f2a | 1957 | BT_LOGE("Unknown query object `%s`", object); |
d94d92ac | 1958 | status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1959 | goto end; |
33f93973 | 1960 | } |
33f93973 | 1961 | end: |
d94d92ac | 1962 | return status; |
33f93973 | 1963 | } |