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" | |
d9c39b0a | 31 | #include "logging/comp-logging.h" |
98903a3e | 32 | |
578e048b | 33 | #include "common/common.h" |
3fadfbc0 | 34 | #include <babeltrace2/babeltrace.h> |
6162e6b7 | 35 | #include "common/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" |
335a2da5 | 45 | #include "../common/metadata/ctf-meta-configure-ir-trace.h" |
d6e69534 | 46 | #include "../common/msg-iter/msg-iter.h" |
04c0ba87 | 47 | #include "query.h" |
e7a4393b | 48 | |
626cc488 FD |
49 | struct tracer_info { |
50 | const char *name; | |
51 | int64_t major; | |
52 | int64_t minor; | |
53 | int64_t patch; | |
54 | }; | |
55 | ||
94cf822e | 56 | static |
d6e69534 | 57 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
58 | { |
59 | struct ctf_fs_ds_file_info *ds_file_info; | |
60 | int ret = 0; | |
61 | ||
d6e69534 PP |
62 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
63 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 64 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
65 | msg_iter_data->ds_file_group->ds_file_infos, |
66 | msg_iter_data->ds_file_info_index); | |
67 | ||
68 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
69 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
70 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
71 | msg_iter_data->pc_msg_iter, | |
72 | msg_iter_data->msg_iter, | |
73 | msg_iter_data->ds_file_group->stream, | |
98903a3e PP |
74 | ds_file_info->path->str, |
75 | msg_iter_data->log_level); | |
d6e69534 | 76 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
77 | ret = -1; |
78 | } | |
79 | ||
80 | return ret; | |
81 | } | |
82 | ||
83 | static | |
d6e69534 PP |
84 | void ctf_fs_msg_iter_data_destroy( |
85 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 86 | { |
d6e69534 | 87 | if (!msg_iter_data) { |
94cf822e PP |
88 | return; |
89 | } | |
90 | ||
d6e69534 | 91 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 92 | |
d6e69534 PP |
93 | if (msg_iter_data->msg_iter) { |
94 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
95 | } |
96 | ||
d6e69534 | 97 | g_free(msg_iter_data); |
94cf822e PP |
98 | } |
99 | ||
fc917f65 PP |
100 | static |
101 | void set_msg_iter_emits_stream_beginning_end_messages( | |
102 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
103 | { | |
104 | bt_msg_iter_set_emit_stream_beginning_message( | |
105 | msg_iter_data->ds_file->msg_iter, | |
106 | msg_iter_data->ds_file_info_index == 0); | |
107 | bt_msg_iter_set_emit_stream_end_message( | |
108 | msg_iter_data->ds_file->msg_iter, | |
109 | msg_iter_data->ds_file_info_index == | |
110 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
111 | } | |
112 | ||
d4393e08 | 113 | static |
d24d5663 | 114 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next_one( |
d6e69534 | 115 | struct ctf_fs_msg_iter_data *msg_iter_data, |
fc917f65 | 116 | const bt_message **out_msg) |
ea0b4b9e | 117 | { |
d24d5663 | 118 | bt_component_class_message_iterator_next_method_status status; |
94cf822e | 119 | |
d6e69534 | 120 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 121 | |
fc917f65 PP |
122 | while (true) { |
123 | bt_message *msg; | |
124 | ||
125 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
126 | switch (status) { | |
d24d5663 | 127 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK: |
fc917f65 PP |
128 | *out_msg = msg; |
129 | msg = NULL; | |
f42867e2 | 130 | goto end; |
d24d5663 | 131 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END: |
fc917f65 PP |
132 | { |
133 | int ret; | |
f42867e2 | 134 | |
fc917f65 PP |
135 | if (msg_iter_data->ds_file_info_index == |
136 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
137 | /* End of all group's stream files */ | |
138 | goto end; | |
139 | } | |
140 | ||
141 | msg_iter_data->ds_file_info_index++; | |
495490c5 PP |
142 | bt_msg_iter_reset_for_next_stream_file( |
143 | msg_iter_data->msg_iter); | |
fc917f65 PP |
144 | set_msg_iter_emits_stream_beginning_end_messages( |
145 | msg_iter_data); | |
94cf822e | 146 | |
94cf822e | 147 | /* |
fc917f65 PP |
148 | * Open and start reading the next stream file |
149 | * within our stream file group. | |
94cf822e | 150 | */ |
fc917f65 PP |
151 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
152 | if (ret) { | |
d24d5663 | 153 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
fc917f65 PP |
154 | goto end; |
155 | } | |
156 | ||
157 | /* Continue the loop to get the next message */ | |
158 | break; | |
94cf822e | 159 | } |
fc917f65 | 160 | default: |
94cf822e PP |
161 | goto end; |
162 | } | |
94cf822e | 163 | } |
d01e0f33 | 164 | |
94cf822e | 165 | end: |
d4393e08 PP |
166 | return status; |
167 | } | |
168 | ||
169 | BT_HIDDEN | |
d24d5663 | 170 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next( |
d6e69534 PP |
171 | bt_self_message_iterator *iterator, |
172 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
173 | uint64_t *count) |
174 | { | |
d24d5663 PP |
175 | bt_component_class_message_iterator_next_method_status status = |
176 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
d6e69534 PP |
177 | struct ctf_fs_msg_iter_data *msg_iter_data = |
178 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
179 | uint64_t i = 0; |
180 | ||
d24d5663 PP |
181 | while (i < capacity && |
182 | status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { | |
d6e69534 | 183 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); |
d24d5663 | 184 | if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
d4393e08 PP |
185 | i++; |
186 | } | |
187 | } | |
188 | ||
189 | if (i > 0) { | |
190 | /* | |
191 | * Even if ctf_fs_iterator_next_one() returned something | |
d24d5663 | 192 | * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we |
d6e69534 PP |
193 | * accumulated message objects in the output |
194 | * message array, so we need to return | |
d24d5663 | 195 | * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are |
d4393e08 | 196 | * transfered to downstream. This other status occurs |
d6e69534 | 197 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 198 | * called, possibly without any accumulated |
d6e69534 | 199 | * message, in which case we'll return it. |
d4393e08 PP |
200 | */ |
201 | *count = i; | |
d24d5663 | 202 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
d4393e08 PP |
203 | } |
204 | ||
205 | return status; | |
ea0b4b9e | 206 | } |
bfd20a42 | 207 | |
6a9bb5e9 PP |
208 | static |
209 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
210 | { | |
211 | int ret; | |
212 | ||
213 | msg_iter_data->ds_file_info_index = 0; | |
214 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
215 | if (ret) { | |
216 | goto end; | |
217 | } | |
218 | ||
219 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
220 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
221 | ||
222 | end: | |
223 | return ret; | |
224 | } | |
225 | ||
226 | BT_HIDDEN | |
d24d5663 PP |
227 | bt_component_class_message_iterator_seek_beginning_method_status |
228 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) | |
6a9bb5e9 PP |
229 | { |
230 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
231 | bt_self_message_iterator_get_data(it); | |
d24d5663 PP |
232 | bt_component_class_message_iterator_seek_beginning_method_status status = |
233 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; | |
6a9bb5e9 PP |
234 | |
235 | BT_ASSERT(msg_iter_data); | |
236 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
d24d5663 | 237 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR; |
6a9bb5e9 PP |
238 | } |
239 | ||
240 | return status; | |
241 | } | |
242 | ||
243 | BT_HIDDEN | |
d6e69534 | 244 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 245 | { |
d6e69534 PP |
246 | ctf_fs_msg_iter_data_destroy( |
247 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
248 | } |
249 | ||
6a9bb5e9 | 250 | BT_HIDDEN |
d24d5663 | 251 | bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init( |
d6e69534 | 252 | bt_self_message_iterator *self_msg_iter, |
4c65a157 | 253 | bt_self_component_source *self_comp_src, |
b19ff26f | 254 | bt_self_component_port_output *self_port) |
4c1456f0 | 255 | { |
4f1f88a6 | 256 | struct ctf_fs_port_data *port_data; |
d6e69534 | 257 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
d24d5663 PP |
258 | bt_component_class_message_iterator_init_method_status ret = |
259 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK; | |
98903a3e | 260 | bt_logging_level log_level; |
4c65a157 | 261 | bt_self_component *self_comp; |
760051fa | 262 | |
d94d92ac | 263 | port_data = bt_self_component_port_get_data( |
707b7d35 | 264 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
265 | self_port)); |
266 | BT_ASSERT(port_data); | |
98903a3e | 267 | log_level = port_data->ctf_fs->log_level; |
4c65a157 | 268 | self_comp = port_data->ctf_fs->self_comp; |
d6e69534 PP |
269 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
270 | if (!msg_iter_data) { | |
9275bef4 | 271 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR; |
94cf822e PP |
272 | goto error; |
273 | } | |
274 | ||
98903a3e | 275 | msg_iter_data->log_level = log_level; |
4c65a157 | 276 | msg_iter_data->self_comp = self_comp; |
d6e69534 PP |
277 | msg_iter_data->pc_msg_iter = self_msg_iter; |
278 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 279 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
98903a3e | 280 | bt_common_get_page_size(msg_iter_data->log_level) * 8, |
4c65a157 PP |
281 | ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level, |
282 | self_comp); | |
d6e69534 | 283 | if (!msg_iter_data->msg_iter) { |
4c65a157 | 284 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
d24d5663 | 285 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR; |
6de92955 PP |
286 | goto error; |
287 | } | |
288 | ||
d6e69534 | 289 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
6a9bb5e9 | 290 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
d24d5663 | 291 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR; |
4f1f88a6 | 292 | goto error; |
760051fa JG |
293 | } |
294 | ||
d6e69534 PP |
295 | bt_self_message_iterator_set_data(self_msg_iter, |
296 | msg_iter_data); | |
d24d5663 | 297 | if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK) { |
4f1f88a6 | 298 | goto error; |
760051fa JG |
299 | } |
300 | ||
d6e69534 | 301 | msg_iter_data = NULL; |
4f1f88a6 | 302 | goto end; |
5b29e799 | 303 | |
4f1f88a6 | 304 | error: |
d6e69534 | 305 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 306 | |
760051fa | 307 | end: |
d6e69534 | 308 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
309 | return ret; |
310 | } | |
311 | ||
f280892e | 312 | BT_HIDDEN |
1a9f7075 | 313 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 314 | { |
4f1f88a6 | 315 | if (!ctf_fs) { |
8fa760ba JG |
316 | return; |
317 | } | |
4f1f88a6 | 318 | |
1a9f7075 PP |
319 | if (ctf_fs->traces) { |
320 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 321 | } |
4f1f88a6 PP |
322 | |
323 | if (ctf_fs->port_data) { | |
324 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 325 | } |
760051fa | 326 | |
1a9f7075 PP |
327 | g_free(ctf_fs); |
328 | } | |
329 | ||
f280892e SM |
330 | static |
331 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
332 | { | |
333 | if (!port_data) { | |
334 | return; | |
335 | } | |
336 | ||
337 | g_free(port_data); | |
338 | } | |
339 | ||
340 | static | |
341 | void port_data_destroy_notifier(void *data) { | |
342 | port_data_destroy(data); | |
343 | } | |
344 | ||
345 | static | |
97ade20b | 346 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 347 | { |
1a9f7075 PP |
348 | if (!ctf_fs_trace) { |
349 | return; | |
350 | } | |
351 | ||
94cf822e PP |
352 | if (ctf_fs_trace->ds_file_groups) { |
353 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
354 | } | |
355 | ||
c5b9b441 | 356 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 357 | |
1a9f7075 PP |
358 | if (ctf_fs_trace->path) { |
359 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 360 | } |
760051fa | 361 | |
1a9f7075 PP |
362 | if (ctf_fs_trace->name) { |
363 | g_string_free(ctf_fs_trace->name, TRUE); | |
364 | } | |
365 | ||
366 | if (ctf_fs_trace->metadata) { | |
367 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
368 | g_free(ctf_fs_trace->metadata); | |
369 | } | |
370 | ||
1a9f7075 | 371 | g_free(ctf_fs_trace); |
4c1456f0 JG |
372 | } |
373 | ||
97ade20b | 374 | static |
56a924f4 | 375 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
376 | { |
377 | struct ctf_fs_trace *trace = data; | |
378 | ctf_fs_trace_destroy(trace); | |
379 | } | |
380 | ||
4c65a157 PP |
381 | struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level, |
382 | bt_self_component *self_comp) | |
a4792757 | 383 | { |
f280892e | 384 | struct ctf_fs_component *ctf_fs; |
a4792757 | 385 | |
f280892e SM |
386 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
387 | if (!ctf_fs) { | |
388 | goto error; | |
389 | } | |
4f1f88a6 | 390 | |
98903a3e | 391 | ctf_fs->log_level = log_level; |
4c65a157 | 392 | ctf_fs->self_comp = self_comp; |
f280892e SM |
393 | ctf_fs->port_data = |
394 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
395 | if (!ctf_fs->port_data) { | |
396 | goto error; | |
4f1f88a6 PP |
397 | } |
398 | ||
f280892e SM |
399 | ctf_fs->traces = |
400 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
401 | if (!ctf_fs->traces) { | |
402 | goto error; | |
403 | } | |
404 | ||
405 | goto end; | |
406 | ||
407 | error: | |
408 | if (ctf_fs) { | |
409 | ctf_fs_destroy(ctf_fs); | |
410 | } | |
411 | ||
412 | end: | |
413 | return ctf_fs; | |
414 | } | |
415 | ||
416 | void ctf_fs_finalize(bt_self_component_source *component) | |
417 | { | |
418 | ctf_fs_destroy(bt_self_component_get_data( | |
419 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
420 | } |
421 | ||
a38d7650 | 422 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 423 | { |
a38d7650 | 424 | GString *name = g_string_new(NULL); |
547eacf1 | 425 | |
a38d7650 SM |
426 | /* |
427 | * The unique port name is generated by concatenating unique identifiers | |
428 | * for: | |
429 | * | |
430 | * - the trace | |
431 | * - the stream class | |
432 | * - the stream | |
433 | */ | |
434 | ||
435 | /* For the trace, use the uuid if present, else the path. */ | |
436 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
6162e6b7 | 437 | char uuid_str[BT_UUID_STR_LEN + 1]; |
a38d7650 | 438 | |
6162e6b7 | 439 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); |
a38d7650 SM |
440 | g_string_assign(name, uuid_str); |
441 | } else { | |
442 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
547eacf1 PP |
443 | } |
444 | ||
445 | /* | |
a38d7650 SM |
446 | * For the stream class, use the id if present. We can omit this field |
447 | * otherwise, as there will only be a single stream class. | |
547eacf1 | 448 | */ |
a38d7650 SM |
449 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
450 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
451 | } | |
547eacf1 | 452 | |
a38d7650 SM |
453 | /* For the stream, use the id if present, else, use the path. */ |
454 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
455 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
456 | } else { | |
457 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
458 | struct ctf_fs_ds_file_info *ds_file_info = | |
459 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
460 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
461 | } | |
462 | ||
463 | return g_string_free(name, FALSE); | |
547eacf1 PP |
464 | } |
465 | ||
5b29e799 | 466 | static |
55314f2a JG |
467 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
468 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 469 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 470 | { |
4f1f88a6 | 471 | int ret = 0; |
4f1f88a6 | 472 | struct ctf_fs_port_data *port_data = NULL; |
a38d7650 | 473 | gchar *port_name; |
98903a3e | 474 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 475 | bt_self_component *self_comp = ctf_fs->self_comp; |
4f1f88a6 | 476 | |
a38d7650 | 477 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
478 | if (!port_name) { |
479 | goto error; | |
480 | } | |
481 | ||
4c65a157 | 482 | BT_COMP_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
483 | |
484 | /* Create output port for this file */ | |
4f1f88a6 PP |
485 | port_data = g_new0(struct ctf_fs_port_data, 1); |
486 | if (!port_data) { | |
487 | goto error; | |
488 | } | |
489 | ||
5c563278 | 490 | port_data->ctf_fs = ctf_fs; |
94cf822e | 491 | port_data->ds_file_group = ds_file_group; |
d94d92ac | 492 | ret = bt_self_component_source_add_output_port( |
4c65a157 | 493 | ctf_fs->self_comp_src, port_name, port_data, NULL); |
147337a3 | 494 | if (ret) { |
4f1f88a6 PP |
495 | goto error; |
496 | } | |
497 | ||
498 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
499 | port_data = NULL; | |
500 | goto end; | |
501 | ||
502 | error: | |
503 | ret = -1; | |
504 | ||
505 | end: | |
19bbdc9b | 506 | g_free(port_name); |
4f1f88a6 | 507 | |
4f1f88a6 PP |
508 | port_data_destroy(port_data); |
509 | return ret; | |
5b29e799 JG |
510 | } |
511 | ||
512 | static | |
55314f2a JG |
513 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
514 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
515 | { |
516 | int ret = 0; | |
94cf822e | 517 | size_t i; |
98903a3e | 518 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 519 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e PP |
520 | |
521 | /* Create one output port for each stream file group */ | |
522 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
523 | struct ctf_fs_ds_file_group *ds_file_group = | |
524 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
525 | ||
55314f2a JG |
526 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
527 | ds_file_group); | |
94cf822e | 528 | if (ret) { |
4c65a157 | 529 | BT_COMP_LOGE("Cannot create output port."); |
94cf822e PP |
530 | goto end; |
531 | } | |
532 | } | |
533 | ||
534 | end: | |
535 | return ret; | |
536 | } | |
537 | ||
94cf822e PP |
538 | static |
539 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
540 | { | |
541 | if (!ds_file_info) { | |
542 | return; | |
543 | } | |
544 | ||
545 | if (ds_file_info->path) { | |
546 | g_string_free(ds_file_info->path, TRUE); | |
547 | } | |
548 | ||
549 | g_free(ds_file_info); | |
550 | } | |
551 | ||
552 | static | |
553 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
7ed5243a | 554 | int64_t begin_ns) |
94cf822e PP |
555 | { |
556 | struct ctf_fs_ds_file_info *ds_file_info; | |
557 | ||
558 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
559 | if (!ds_file_info) { | |
560 | goto end; | |
561 | } | |
562 | ||
563 | ds_file_info->path = g_string_new(path); | |
564 | if (!ds_file_info->path) { | |
565 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
566 | ds_file_info = NULL; | |
567 | goto end; | |
568 | } | |
569 | ||
570 | ds_file_info->begin_ns = begin_ns; | |
571 | ||
572 | end: | |
573 | return ds_file_info; | |
574 | } | |
575 | ||
576 | static | |
577 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
578 | { | |
579 | if (!ds_file_group) { | |
580 | return; | |
581 | } | |
582 | ||
583 | if (ds_file_group->ds_file_infos) { | |
584 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
585 | } | |
586 | ||
7ed5243a FD |
587 | if (ds_file_group->index) { |
588 | if (ds_file_group->index->entries) { | |
589 | g_ptr_array_free(ds_file_group->index->entries, TRUE); | |
590 | } | |
591 | g_free(ds_file_group->index); | |
592 | } | |
593 | ||
c5b9b441 | 594 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
595 | g_free(ds_file_group); |
596 | } | |
597 | ||
598 | static | |
599 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
600 | struct ctf_fs_trace *ctf_fs_trace, | |
60363f2f | 601 | struct ctf_stream_class *sc, |
7ed5243a FD |
602 | uint64_t stream_instance_id, |
603 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
604 | { |
605 | struct ctf_fs_ds_file_group *ds_file_group; | |
606 | ||
94cf822e PP |
607 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
608 | if (!ds_file_group) { | |
609 | goto error; | |
610 | } | |
611 | ||
612 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
613 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
614 | if (!ds_file_group->ds_file_infos) { | |
615 | goto error; | |
616 | } | |
617 | ||
7ed5243a FD |
618 | ds_file_group->index = index; |
619 | ||
547eacf1 | 620 | ds_file_group->stream_id = stream_instance_id; |
60363f2f PP |
621 | BT_ASSERT(sc); |
622 | ds_file_group->sc = sc; | |
94cf822e | 623 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
624 | goto end; |
625 | ||
626 | error: | |
627 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
7ed5243a | 628 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
629 | ds_file_group = NULL; |
630 | ||
631 | end: | |
632 | return ds_file_group; | |
633 | } | |
634 | ||
8bf7105e MJ |
635 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
636 | static | |
637 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
638 | { | |
639 | size_t original_array_len = array->len; | |
640 | ||
641 | /* Allocate an unused element at the end of the array. */ | |
642 | g_ptr_array_add(array, NULL); | |
643 | ||
644 | /* If we are not inserting at the end, move the elements by one. */ | |
645 | if (pos < original_array_len) { | |
646 | memmove(&(array->pdata[pos + 1]), | |
647 | &(array->pdata[pos]), | |
648 | (original_array_len - pos) * sizeof(gpointer)); | |
649 | } | |
650 | ||
f897d50c | 651 | /* Insert the value. */ |
8bf7105e MJ |
652 | array->pdata[pos] = element; |
653 | } | |
654 | ||
41a65f30 SM |
655 | /* |
656 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
657 | * place to keep it sorted. | |
658 | */ | |
659 | ||
660 | static | |
661 | void ds_file_group_insert_ds_file_info_sorted( | |
662 | struct ctf_fs_ds_file_group *ds_file_group, | |
663 | struct ctf_fs_ds_file_info *ds_file_info) | |
664 | { | |
665 | guint i; | |
666 | ||
667 | /* Find the spot where to insert this ds_file_info. */ | |
668 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
669 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
670 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
671 | ||
672 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
673 | break; | |
674 | } | |
675 | } | |
676 | ||
677 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
678 | } | |
679 | ||
7ed5243a FD |
680 | static |
681 | void ds_file_group_insert_ds_index_entry_sorted( | |
682 | struct ctf_fs_ds_file_group *ds_file_group, | |
683 | struct ctf_fs_ds_index_entry *entry) | |
684 | { | |
685 | guint i; | |
686 | ||
687 | /* Find the spot where to insert this index entry. */ | |
688 | for (i = 0; i < ds_file_group->index->entries->len; i++) { | |
689 | struct ctf_fs_ds_index_entry *other_entry = g_ptr_array_index( | |
690 | ds_file_group->index->entries, i); | |
691 | ||
692 | if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) { | |
693 | break; | |
694 | } | |
695 | } | |
696 | ||
697 | array_insert(ds_file_group->index->entries, entry, i); | |
698 | } | |
699 | ||
94cf822e PP |
700 | static |
701 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 702 | const char *path) |
94cf822e | 703 | { |
44c440bc PP |
704 | int64_t stream_instance_id = -1; |
705 | int64_t begin_ns = -1; | |
94cf822e PP |
706 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
707 | bool add_group = false; | |
708 | int ret; | |
709 | size_t i; | |
6de92955 | 710 | struct ctf_fs_ds_file *ds_file = NULL; |
bf012bde | 711 | struct ctf_fs_ds_file_info *ds_file_info = NULL; |
97ade20b | 712 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 713 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 714 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 715 | struct bt_msg_iter_packet_properties props; |
98903a3e | 716 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 717 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e | 718 | |
d6e69534 | 719 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
98903a3e | 720 | bt_common_get_page_size(log_level) * 8, |
4c65a157 | 721 | ctf_fs_ds_file_medops, NULL, log_level, self_comp); |
d6e69534 | 722 | if (!msg_iter) { |
4c65a157 | 723 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
6de92955 PP |
724 | goto error; |
725 | } | |
726 | ||
d6e69534 | 727 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
98903a3e | 728 | NULL, path, log_level); |
97ade20b JG |
729 | if (!ds_file) { |
730 | goto error; | |
731 | } | |
732 | ||
41693723 | 733 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 734 | if (ret) { |
4c65a157 | 735 | BT_COMP_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
736 | path); |
737 | goto error; | |
738 | } | |
739 | ||
44c440bc PP |
740 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
741 | props.stream_class_id); | |
742 | BT_ASSERT(sc); | |
44c440bc PP |
743 | stream_instance_id = props.data_stream_id; |
744 | ||
745 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
746 | BT_ASSERT(sc->default_clock_class); | |
0f2d58c9 PP |
747 | ret = bt_util_clock_cycles_to_ns_from_origin( |
748 | props.snapshots.beginning_clock, | |
749 | sc->default_clock_class->frequency, | |
750 | sc->default_clock_class->offset_seconds, | |
751 | sc->default_clock_class->offset_cycles, &begin_ns); | |
44c440bc | 752 | if (ret) { |
4c65a157 | 753 | BT_COMP_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", |
44c440bc PP |
754 | path); |
755 | goto error; | |
756 | } | |
94cf822e PP |
757 | } |
758 | ||
bf012bde FD |
759 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
760 | if (!ds_file_info) { | |
761 | goto error; | |
762 | } | |
763 | ||
764 | index = ctf_fs_ds_file_build_index(ds_file, ds_file_info); | |
97ade20b | 765 | if (!index) { |
4c65a157 | 766 | BT_COMP_LOGW("Failed to index CTF stream file \'%s\'", |
97ade20b JG |
767 | ds_file->file->path->str); |
768 | } | |
769 | ||
44c440bc | 770 | if (begin_ns == -1) { |
94cf822e PP |
771 | /* |
772 | * No beggining timestamp to sort the stream files | |
773 | * within a stream file group, so consider that this | |
774 | * file must be the only one within its group. | |
775 | */ | |
44c440bc | 776 | stream_instance_id = -1; |
94cf822e PP |
777 | } |
778 | ||
44c440bc | 779 | if (stream_instance_id == -1) { |
94cf822e PP |
780 | /* |
781 | * No stream instance ID or no beginning timestamp: | |
782 | * create a unique stream file group for this stream | |
783 | * file because, even if there's a stream instance ID, | |
784 | * there's no timestamp to order the file within its | |
785 | * group. | |
786 | */ | |
94cf822e | 787 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
7ed5243a FD |
788 | sc, UINT64_C(-1), index); |
789 | /* Ownership of index is transferred. */ | |
790 | index = NULL; | |
791 | ||
94cf822e PP |
792 | if (!ds_file_group) { |
793 | goto error; | |
794 | } | |
795 | ||
bf012bde | 796 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e PP |
797 | |
798 | add_group = true; | |
799 | goto end; | |
800 | } | |
801 | ||
44c440bc PP |
802 | BT_ASSERT(stream_instance_id != -1); |
803 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
804 | |
805 | /* Find an existing stream file group with this ID */ | |
806 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
807 | ds_file_group = g_ptr_array_index( |
808 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 809 | |
60363f2f | 810 | if (ds_file_group->sc == sc && |
547eacf1 PP |
811 | ds_file_group->stream_id == |
812 | stream_instance_id) { | |
94cf822e PP |
813 | break; |
814 | } | |
815 | ||
816 | ds_file_group = NULL; | |
817 | } | |
818 | ||
819 | if (!ds_file_group) { | |
820 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
7ed5243a FD |
821 | sc, stream_instance_id, index); |
822 | /* Ownership of index is transferred. */ | |
823 | index = NULL; | |
94cf822e PP |
824 | if (!ds_file_group) { |
825 | goto error; | |
826 | } | |
827 | ||
828 | add_group = true; | |
829 | } | |
830 | ||
bf012bde | 831 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e PP |
832 | |
833 | goto end; | |
834 | ||
835 | error: | |
836 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
90e1eb09 | 837 | ds_file_group = NULL; |
94cf822e PP |
838 | ret = -1; |
839 | ||
840 | end: | |
841 | if (add_group && ds_file_group) { | |
842 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
843 | } | |
547eacf1 | 844 | |
97ade20b | 845 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 846 | |
d6e69534 PP |
847 | if (msg_iter) { |
848 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
849 | } |
850 | ||
97ade20b | 851 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
852 | return ret; |
853 | } | |
854 | ||
855 | static | |
e5be10ef | 856 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
857 | { |
858 | int ret = 0; | |
4f1f88a6 | 859 | const char *basename; |
e7a4393b | 860 | GError *error = NULL; |
4f1f88a6 | 861 | GDir *dir = NULL; |
98903a3e | 862 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 863 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
e7a4393b | 864 | |
94cf822e | 865 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 866 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 867 | if (!dir) { |
4c65a157 | 868 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 869 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 870 | error->code); |
e7a4393b JG |
871 | goto error; |
872 | } | |
873 | ||
4f1f88a6 | 874 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
875 | struct ctf_fs_file *file; |
876 | ||
2242b43d | 877 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { |
e7a4393b | 878 | /* Ignore the metadata stream. */ |
4c65a157 | 879 | BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 880 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
881 | continue; |
882 | } | |
883 | ||
4f1f88a6 | 884 | if (basename[0] == '.') { |
4c65a157 | 885 | BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 886 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
887 | continue; |
888 | } | |
889 | ||
890 | /* Create the file. */ | |
4c65a157 | 891 | file = ctf_fs_file_create(log_level, self_comp); |
e7a4393b | 892 | if (!file) { |
4c65a157 | 893 | BT_COMP_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 894 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
895 | goto error; |
896 | } | |
897 | ||
898 | /* Create full path string. */ | |
3743a302 | 899 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 900 | ctf_fs_trace->path->str, basename); |
e7a4393b | 901 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4c65a157 | 902 | BT_COMP_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 903 | file->path->str); |
e7a4393b | 904 | ctf_fs_file_destroy(file); |
4f1f88a6 | 905 | file = NULL; |
e7a4393b JG |
906 | continue; |
907 | } | |
908 | ||
55314f2a | 909 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 910 | if (ret) { |
4c65a157 | 911 | BT_COMP_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
912 | goto error; |
913 | } | |
914 | ||
9fa0891a JG |
915 | if (file->size == 0) { |
916 | /* Skip empty stream. */ | |
4c65a157 | 917 | BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
918 | ctf_fs_file_destroy(file); |
919 | continue; | |
920 | } | |
921 | ||
e5be10ef | 922 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 923 | file->path->str); |
4f1f88a6 | 924 | if (ret) { |
4c65a157 | 925 | BT_COMP_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 926 | file->path->str); |
94cf822e | 927 | ctf_fs_file_destroy(file); |
e7a4393b JG |
928 | goto error; |
929 | } | |
930 | ||
4f1f88a6 | 931 | ctf_fs_file_destroy(file); |
e7a4393b JG |
932 | } |
933 | ||
934 | goto end; | |
4f1f88a6 | 935 | |
e7a4393b JG |
936 | error: |
937 | ret = -1; | |
4f1f88a6 | 938 | |
e7a4393b JG |
939 | end: |
940 | if (dir) { | |
941 | g_dir_close(dir); | |
942 | dir = NULL; | |
943 | } | |
4f1f88a6 | 944 | |
e7a4393b JG |
945 | if (error) { |
946 | g_error_free(error); | |
947 | } | |
5b29e799 | 948 | |
91457551 | 949 | return ret; |
5b29e799 JG |
950 | } |
951 | ||
862ca4ed | 952 | static |
98903a3e | 953 | int set_trace_name(bt_trace *trace, const char *name_suffix, |
4c65a157 | 954 | bt_logging_level log_level, bt_self_component *self_comp) |
862ca4ed PP |
955 | { |
956 | int ret = 0; | |
b19ff26f | 957 | const bt_value *val; |
862ca4ed PP |
958 | GString *name; |
959 | ||
960 | name = g_string_new(NULL); | |
961 | if (!name) { | |
4c65a157 | 962 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
862ca4ed PP |
963 | ret = -1; |
964 | goto end; | |
965 | } | |
966 | ||
967 | /* | |
968 | * Check if we have a trace environment string value named `hostname`. | |
969 | * If so, use it as the trace name's prefix. | |
970 | */ | |
335a2da5 PP |
971 | val = bt_trace_borrow_environment_entry_value_by_name_const( |
972 | trace, "hostname"); | |
862ca4ed PP |
973 | if (val && bt_value_is_string(val)) { |
974 | g_string_append(name, bt_value_string_get(val)); | |
975 | ||
976 | if (name_suffix) { | |
977 | g_string_append_c(name, G_DIR_SEPARATOR); | |
978 | } | |
979 | } | |
980 | ||
981 | if (name_suffix) { | |
982 | g_string_append(name, name_suffix); | |
983 | } | |
984 | ||
985 | ret = bt_trace_set_name(trace, name->str); | |
986 | if (ret) { | |
987 | goto end; | |
988 | } | |
989 | ||
990 | goto end; | |
991 | ||
992 | end: | |
993 | if (name) { | |
994 | g_string_free(name, TRUE); | |
995 | } | |
996 | ||
997 | return ret; | |
998 | } | |
999 | ||
f280892e | 1000 | static |
4c65a157 | 1001 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component *self_comp, |
41693723 | 1002 | const char *path, const char *name, |
98903a3e PP |
1003 | struct ctf_fs_metadata_config *metadata_config, |
1004 | bt_logging_level log_level) | |
1a9f7075 PP |
1005 | { |
1006 | struct ctf_fs_trace *ctf_fs_trace; | |
1007 | int ret; | |
1008 | ||
1009 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
1010 | if (!ctf_fs_trace) { | |
1011 | goto end; | |
1012 | } | |
1013 | ||
98903a3e | 1014 | ctf_fs_trace->log_level = log_level; |
4c65a157 | 1015 | ctf_fs_trace->self_comp = self_comp; |
1a9f7075 PP |
1016 | ctf_fs_trace->path = g_string_new(path); |
1017 | if (!ctf_fs_trace->path) { | |
1018 | goto error; | |
1019 | } | |
1020 | ||
1021 | ctf_fs_trace->name = g_string_new(name); | |
1022 | if (!ctf_fs_trace->name) { | |
1023 | goto error; | |
1024 | } | |
1025 | ||
1026 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
1027 | if (!ctf_fs_trace->metadata) { | |
1028 | goto error; | |
1029 | } | |
1030 | ||
44c440bc | 1031 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
1032 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1033 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1034 | if (!ctf_fs_trace->ds_file_groups) { | |
1035 | goto error; | |
1036 | } | |
1037 | ||
4c65a157 PP |
1038 | ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, |
1039 | metadata_config); | |
862ca4ed PP |
1040 | if (ret) { |
1041 | goto error; | |
1042 | } | |
1043 | ||
41693723 PP |
1044 | if (ctf_fs_trace->metadata->trace_class) { |
1045 | ctf_fs_trace->trace = | |
1046 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1047 | if (!ctf_fs_trace->trace) { | |
1048 | goto error; | |
1049 | } | |
862ca4ed PP |
1050 | } |
1051 | ||
41693723 | 1052 | if (ctf_fs_trace->trace) { |
335a2da5 PP |
1053 | ret = ctf_trace_class_configure_ir_trace( |
1054 | ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
1055 | if (ret) { | |
1056 | goto error; | |
1057 | } | |
1058 | ||
4c65a157 PP |
1059 | ret = set_trace_name(ctf_fs_trace->trace, name, log_level, |
1060 | self_comp); | |
41693723 PP |
1061 | if (ret) { |
1062 | goto error; | |
1063 | } | |
1a9f7075 PP |
1064 | } |
1065 | ||
e5be10ef | 1066 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1067 | if (ret) { |
1068 | goto error; | |
1069 | } | |
1070 | ||
1a9f7075 PP |
1071 | goto end; |
1072 | ||
1073 | error: | |
1074 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1075 | ctf_fs_trace = NULL; | |
44c440bc | 1076 | |
1a9f7075 PP |
1077 | end: |
1078 | return ctf_fs_trace; | |
1079 | } | |
1080 | ||
1081 | static | |
1082 | int path_is_ctf_trace(const char *path) | |
1083 | { | |
1084 | GString *metadata_path = g_string_new(NULL); | |
1085 | int ret = 0; | |
1086 | ||
1087 | if (!metadata_path) { | |
1088 | ret = -1; | |
1089 | goto end; | |
1090 | } | |
1091 | ||
3743a302 | 1092 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1093 | |
1094 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1095 | ret = 1; | |
1096 | goto end; | |
1097 | } | |
1098 | ||
1099 | end: | |
1100 | g_string_free(metadata_path, TRUE); | |
1101 | return ret; | |
1102 | } | |
1103 | ||
1104 | static | |
98903a3e | 1105 | int add_trace_path(GList **trace_paths, const char *path, |
4c65a157 | 1106 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 | 1107 | { |
4bd72b60 | 1108 | GString *norm_path = NULL; |
1a9f7075 | 1109 | int ret = 0; |
1a9f7075 | 1110 | |
4bd72b60 PP |
1111 | norm_path = bt_common_normalize_path(path, NULL); |
1112 | if (!norm_path) { | |
4c65a157 | 1113 | BT_COMP_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1114 | ret = -1; |
1115 | goto end; | |
1116 | } | |
1117 | ||
3743a302 | 1118 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1119 | if (strcmp(norm_path->str, "/") == 0) { |
4c65a157 | 1120 | BT_COMP_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1121 | ret = -1; |
1122 | goto end; | |
1123 | } | |
1124 | ||
4bd72b60 | 1125 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1126 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1127 | norm_path = NULL; |
1a9f7075 PP |
1128 | |
1129 | end: | |
4bd72b60 PP |
1130 | if (norm_path) { |
1131 | g_string_free(norm_path, TRUE); | |
1132 | } | |
1133 | ||
1a9f7075 PP |
1134 | return ret; |
1135 | } | |
1136 | ||
f280892e | 1137 | static |
98903a3e | 1138 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path, |
4c65a157 | 1139 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 PP |
1140 | { |
1141 | int ret; | |
1142 | GError *error = NULL; | |
1143 | GDir *dir = NULL; | |
1144 | const char *basename = NULL; | |
1145 | ||
1146 | /* Check if the starting path is a CTF trace itself */ | |
1147 | ret = path_is_ctf_trace(start_path); | |
1148 | if (ret < 0) { | |
1149 | goto end; | |
1150 | } | |
1151 | ||
1152 | if (ret) { | |
1153 | /* | |
4bd72b60 PP |
1154 | * Stop recursion: a CTF trace cannot contain another |
1155 | * CTF trace. | |
1a9f7075 | 1156 | */ |
4c65a157 PP |
1157 | ret = add_trace_path(trace_paths, start_path, log_level, |
1158 | self_comp); | |
1a9f7075 PP |
1159 | goto end; |
1160 | } | |
1161 | ||
1162 | /* Look for subdirectories */ | |
1163 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1164 | /* Starting path is not a directory: end of recursion */ | |
1165 | goto end; | |
1166 | } | |
1167 | ||
1168 | dir = g_dir_open(start_path, 0, &error); | |
1169 | if (!dir) { | |
1170 | if (error->code == G_FILE_ERROR_ACCES) { | |
4c65a157 | 1171 | BT_COMP_LOGI("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1172 | start_path, error->message, error->code); |
1173 | goto end; | |
1174 | } | |
1175 | ||
4c65a157 | 1176 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1177 | start_path, error->message, error->code); |
1178 | ret = -1; | |
1179 | goto end; | |
1180 | } | |
1181 | ||
1182 | while ((basename = g_dir_read_name(dir))) { | |
1183 | GString *sub_path = g_string_new(NULL); | |
1184 | ||
1185 | if (!sub_path) { | |
1186 | ret = -1; | |
1187 | goto end; | |
1188 | } | |
1189 | ||
3743a302 | 1190 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
98903a3e | 1191 | ret = ctf_fs_find_traces(trace_paths, sub_path->str, |
4c65a157 | 1192 | log_level, self_comp); |
1a9f7075 PP |
1193 | g_string_free(sub_path, TRUE); |
1194 | if (ret) { | |
1195 | goto end; | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | end: | |
1200 | if (dir) { | |
1201 | g_dir_close(dir); | |
1202 | } | |
1203 | ||
1204 | if (error) { | |
1205 | g_error_free(error); | |
1206 | } | |
1207 | ||
1208 | return ret; | |
1209 | } | |
1210 | ||
f280892e | 1211 | static |
55314f2a | 1212 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1213 | GList *trace_names = NULL; |
1a9f7075 | 1214 | GList *node; |
4bd72b60 PP |
1215 | const char *last_sep; |
1216 | size_t base_dist; | |
1a9f7075 PP |
1217 | |
1218 | /* | |
4bd72b60 PP |
1219 | * At this point we know that all the trace paths are |
1220 | * normalized, and so is the base path. This means that | |
1221 | * they are absolute and they don't end with a separator. | |
1222 | * We can simply find the location of the last separator | |
1223 | * in the base path, which gives us the name of the actual | |
1224 | * directory to look into, and use this location as the | |
1225 | * start of each trace name within each trace path. | |
1226 | * | |
1227 | * For example: | |
1228 | * | |
1229 | * Base path: /home/user/my-traces/some-trace | |
1230 | * Trace paths: | |
1231 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1232 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1233 | * - /home/user/my-traces/some-trace/host2/trace | |
1234 | * - /home/user/my-traces/some-trace/other-trace | |
1235 | * | |
1236 | * In this case the trace names are: | |
1237 | * | |
1238 | * - some-trace/host1/trace1 | |
1239 | * - some-trace/host1/trace2 | |
1240 | * - some-trace/host2/trace | |
1241 | * - some-trace/other-trace | |
1a9f7075 | 1242 | */ |
4bd72b60 | 1243 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1244 | |
4bd72b60 | 1245 | /* We know there's at least one separator */ |
f6ccaed9 | 1246 | BT_ASSERT(last_sep); |
1a9f7075 | 1247 | |
4bd72b60 PP |
1248 | /* Distance to base */ |
1249 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1250 | |
1251 | /* Create the trace names */ | |
1252 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1253 | GString *trace_name = g_string_new(NULL); | |
1254 | GString *trace_path = node->data; | |
1255 | ||
f6ccaed9 | 1256 | BT_ASSERT(trace_name); |
4bd72b60 | 1257 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1258 | trace_names = g_list_append(trace_names, trace_name); |
1259 | } | |
1260 | ||
1261 | return trace_names; | |
1262 | } | |
1263 | ||
f280892e SM |
1264 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1265 | ||
1a9f7075 | 1266 | static |
4c65a157 | 1267 | int ctf_fs_component_create_ctf_fs_traces_one_root( |
41693723 | 1268 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1269 | const char *path_param) |
1270 | { | |
1271 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1272 | int ret = 0; | |
4bd72b60 | 1273 | GString *norm_path = NULL; |
1a9f7075 PP |
1274 | GList *trace_paths = NULL; |
1275 | GList *trace_names = NULL; | |
1276 | GList *tp_node; | |
1277 | GList *tn_node; | |
98903a3e | 1278 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1279 | bt_self_component *self_comp = ctf_fs->self_comp; |
1a9f7075 | 1280 | |
4bd72b60 PP |
1281 | norm_path = bt_common_normalize_path(path_param, NULL); |
1282 | if (!norm_path) { | |
4c65a157 | 1283 | BT_COMP_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1284 | path_param); |
1285 | goto error; | |
1286 | } | |
1287 | ||
4c65a157 PP |
1288 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str, log_level, |
1289 | self_comp); | |
1a9f7075 PP |
1290 | if (ret) { |
1291 | goto error; | |
1292 | } | |
1293 | ||
1294 | if (!trace_paths) { | |
4c65a157 | 1295 | BT_COMP_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 | 1296 | path_param); |
3fdffb55 PP |
1297 | (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT( |
1298 | ctf_fs->self_comp, | |
1299 | "No CTF traces recursively found in `%s`.", path_param); | |
1a9f7075 PP |
1300 | goto error; |
1301 | } | |
1302 | ||
55314f2a | 1303 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1304 | if (!trace_names) { |
4c65a157 | 1305 | BT_COMP_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1306 | goto error; |
1307 | } | |
1308 | ||
1309 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1310 | tp_node = g_list_next(tp_node), | |
1311 | tn_node = g_list_next(tn_node)) { | |
1312 | GString *trace_path = tp_node->data; | |
1313 | GString *trace_name = tn_node->data; | |
1314 | ||
41693723 PP |
1315 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1316 | trace_path->str, trace_name->str, | |
98903a3e PP |
1317 | &ctf_fs->metadata_config, |
1318 | log_level); | |
1a9f7075 | 1319 | if (!ctf_fs_trace) { |
4c65a157 | 1320 | BT_COMP_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1321 | trace_path->str); |
1322 | goto error; | |
1323 | } | |
52c5fe74 PP |
1324 | |
1325 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1326 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1327 | } |
1328 | ||
1a9f7075 PP |
1329 | goto end; |
1330 | ||
1331 | error: | |
1332 | ret = -1; | |
1333 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1334 | ||
1335 | end: | |
1336 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1337 | if (tp_node->data) { | |
1338 | g_string_free(tp_node->data, TRUE); | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1343 | if (tn_node->data) { | |
1344 | g_string_free(tn_node->data, TRUE); | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | if (trace_paths) { | |
1349 | g_list_free(trace_paths); | |
1350 | } | |
1351 | ||
1352 | if (trace_names) { | |
1353 | g_list_free(trace_names); | |
1354 | } | |
1355 | ||
4bd72b60 PP |
1356 | if (norm_path) { |
1357 | g_string_free(norm_path, TRUE); | |
1358 | } | |
1359 | ||
1a9f7075 PP |
1360 | return ret; |
1361 | } | |
1362 | ||
41a65f30 SM |
1363 | /* GCompareFunc to sort traces by UUID. */ |
1364 | ||
1365 | static | |
1366 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1367 | { | |
1368 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1369 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1370 | ||
1371 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1372 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1373 | gint ret; | |
1374 | ||
1375 | /* Order traces without uuid first. */ | |
1376 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1377 | ret = -1; | |
1378 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1379 | ret = 1; | |
1380 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1381 | ret = 0; | |
1382 | } else { | |
1383 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1384 | } | |
1385 | ||
1386 | return ret; | |
1387 | } | |
1388 | ||
1389 | /* | |
1390 | * Count the number of stream and event classes defined by this trace's metadata. | |
1391 | * | |
1392 | * This is used to determine which metadata is the "latest", out of multiple | |
1393 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1394 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1395 | * enough to just count the classes. | |
1396 | */ | |
1397 | ||
1398 | static | |
1399 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1400 | { | |
1401 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1402 | guint i; | |
1403 | ||
1404 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1405 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1406 | num += sc->event_classes->len; | |
1407 | } | |
1408 | ||
1409 | return num; | |
1410 | } | |
1411 | ||
1412 | /* | |
1413 | * Merge the src ds_file_group into dest. This consists of merging their | |
1414 | * ds_file_infos, making sure to keep the result sorted. | |
1415 | */ | |
1416 | ||
1417 | static | |
1418 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1419 | { | |
1420 | guint i; | |
1421 | ||
1422 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1423 | struct ctf_fs_ds_file_info *ds_file_info = | |
1424 | g_ptr_array_index(src->ds_file_infos, i); | |
1425 | ||
1426 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1427 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1428 | ||
1429 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1430 | } | |
41a65f30 | 1431 | |
7ed5243a FD |
1432 | /* Merge both indexes. */ |
1433 | for (i = 0; i < src->index->entries->len; i++) { | |
1434 | struct ctf_fs_ds_index_entry *entry = g_ptr_array_index( | |
1435 | src->index->entries, i); | |
1436 | ||
1437 | /* | |
1438 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
1439 | * dest. | |
1440 | */ | |
1441 | g_ptr_array_index(src->index->entries, i) = NULL; | |
1442 | ||
1443 | ds_file_group_insert_ds_index_entry_sorted(dest, entry); | |
1444 | } | |
1445 | } | |
41a65f30 SM |
1446 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1447 | ||
1448 | static | |
54ef52bd | 1449 | int merge_matching_ctf_fs_ds_file_groups( |
41a65f30 SM |
1450 | struct ctf_fs_trace *dest_trace, |
1451 | struct ctf_fs_trace *src_trace) | |
1452 | { | |
1453 | ||
1454 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1455 | GPtrArray *src = src_trace->ds_file_groups; | |
1456 | guint s_i; | |
54ef52bd | 1457 | int ret = 0; |
41a65f30 SM |
1458 | |
1459 | /* | |
1460 | * Save the initial length of dest: we only want to check against the | |
1461 | * original elements in the inner loop. | |
1462 | */ | |
1463 | const guint dest_len = dest->len; | |
1464 | ||
1465 | for (s_i = 0; s_i < src->len; s_i++) { | |
1466 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1467 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1468 | ||
1469 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1470 | if (src_group->stream_id != -1) { | |
1471 | guint d_i; | |
1472 | ||
1473 | /* Let's search for a matching ds_file_group in the destination. */ | |
1474 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1475 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1476 | ||
1477 | /* Can't match a stream instance without ID. */ | |
1478 | if (candidate_dest->stream_id == -1) { | |
1479 | continue; | |
1480 | } | |
1481 | ||
1482 | /* | |
1483 | * If the two groups have the same stream instance id | |
1484 | * and belong to the same stream class (stream instance | |
1485 | * ids are per-stream class), they represent the same | |
1486 | * stream instance. | |
1487 | */ | |
1488 | if (candidate_dest->stream_id != src_group->stream_id || | |
1489 | candidate_dest->sc->id != src_group->sc->id) { | |
1490 | continue; | |
1491 | } | |
1492 | ||
1493 | dest_group = candidate_dest; | |
1494 | break; | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | /* | |
1499 | * Didn't find a friend in dest to merge our src_group into? | |
7ed5243a FD |
1500 | * Create a new empty one. This can happen if a stream was |
1501 | * active in the source trace chunk but not in the destination | |
1502 | * trace chunk. | |
41a65f30 SM |
1503 | */ |
1504 | if (!dest_group) { | |
1505 | struct ctf_stream_class *sc; | |
7ed5243a | 1506 | struct ctf_fs_ds_index *index; |
41a65f30 SM |
1507 | |
1508 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1509 | dest_trace->metadata->tc, src_group->sc->id); | |
1510 | BT_ASSERT(sc); | |
1511 | ||
4c65a157 PP |
1512 | index = ctf_fs_ds_index_create(dest_trace->log_level, |
1513 | dest_trace->self_comp); | |
7ed5243a FD |
1514 | if (!index) { |
1515 | ret = -1; | |
1516 | goto end; | |
1517 | } | |
1518 | ||
41a65f30 | 1519 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
7ed5243a FD |
1520 | src_group->stream_id, index); |
1521 | /* Ownership of index is transferred. */ | |
1522 | index = NULL; | |
54ef52bd FD |
1523 | if (!dest_group) { |
1524 | ret = -1; | |
1525 | goto end; | |
1526 | } | |
41a65f30 SM |
1527 | |
1528 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1529 | } | |
1530 | ||
1531 | BT_ASSERT(dest_group); | |
1532 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1533 | } | |
54ef52bd FD |
1534 | |
1535 | end: | |
1536 | return ret; | |
41a65f30 SM |
1537 | } |
1538 | ||
1539 | /* | |
1540 | * Collapse the given traces, which must all share the same UUID, in a single | |
1541 | * one. | |
1542 | * | |
1543 | * The trace with the most expansive metadata is chosen and all other traces | |
1544 | * are merged into that one. The array slots of all the traces that get merged | |
1545 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1546 | * remains non-NULL. | |
1547 | */ | |
1548 | ||
1549 | static | |
54ef52bd | 1550 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) |
41a65f30 SM |
1551 | { |
1552 | unsigned int winner_count; | |
1553 | struct ctf_fs_trace *winner; | |
1554 | guint i; | |
54ef52bd | 1555 | int ret = 0; |
6162e6b7 | 1556 | char uuid_str[BT_UUID_STR_LEN + 1]; |
41a65f30 SM |
1557 | |
1558 | BT_ASSERT(num_traces >= 2); | |
1559 | ||
1560 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1561 | winner = traces[0]; | |
1562 | ||
1563 | /* Find the trace with the largest metadata. */ | |
1564 | for (i = 1; i < num_traces; i++) { | |
1565 | struct ctf_fs_trace *candidate; | |
1566 | unsigned int candidate_count; | |
1567 | ||
1568 | candidate = traces[i]; | |
1569 | ||
1570 | /* A bit of sanity check. */ | |
1571 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1572 | ||
1573 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1574 | ||
1575 | if (candidate_count > winner_count) { | |
1576 | winner_count = candidate_count; | |
1577 | winner = candidate; | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | /* Merge all the other traces in the winning trace. */ | |
1582 | for (i = 0; i < num_traces; i++) { | |
1583 | struct ctf_fs_trace *trace = traces[i]; | |
1584 | ||
1585 | /* Don't merge the winner into itself. */ | |
1586 | if (trace == winner) { | |
1587 | continue; | |
1588 | } | |
1589 | ||
1590 | /* Merge trace's data stream file groups into winner's. */ | |
54ef52bd FD |
1591 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1592 | if (ret) { | |
1593 | goto end; | |
1594 | } | |
41a65f30 SM |
1595 | |
1596 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1597 | ctf_fs_trace_destroy(trace); | |
1598 | traces[i] = NULL; | |
1599 | } | |
1600 | ||
1601 | /* Use the string representation of the UUID as the trace name. */ | |
6162e6b7 | 1602 | bt_uuid_to_str(winner->metadata->tc->uuid, uuid_str); |
41a65f30 | 1603 | g_string_printf(winner->name, "%s", uuid_str); |
54ef52bd FD |
1604 | |
1605 | end: | |
1606 | return ret; | |
41a65f30 SM |
1607 | } |
1608 | ||
1609 | /* | |
1610 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1611 | * Traces with no UUID are not merged. | |
1612 | */ | |
1613 | ||
1614 | static | |
54ef52bd | 1615 | int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) |
41a65f30 SM |
1616 | { |
1617 | GPtrArray *traces = ctf_fs->traces; | |
1618 | guint range_start_idx = 0; | |
1619 | unsigned int num_traces = 0; | |
1620 | guint i; | |
54ef52bd | 1621 | int ret = 0; |
41a65f30 SM |
1622 | |
1623 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1624 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1625 | ||
1626 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1627 | while (range_start_idx < traces->len) { | |
1628 | guint range_len; | |
1629 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1630 | ||
1631 | /* Exclusive end of range. */ | |
1632 | guint range_end_exc_idx = range_start_idx + 1; | |
1633 | ||
1634 | while (range_end_exc_idx < traces->len) { | |
1635 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1636 | ||
1637 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1638 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1639 | break; | |
1640 | } | |
1641 | ||
1642 | range_end_exc_idx++; | |
1643 | } | |
1644 | ||
1645 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1646 | range_len = range_end_exc_idx - range_start_idx; | |
1647 | if (range_len > 1) { | |
1648 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
54ef52bd FD |
1649 | ret = merge_ctf_fs_traces(range_start, range_len); |
1650 | if (ret) { | |
1651 | goto end; | |
1652 | } | |
41a65f30 SM |
1653 | } |
1654 | ||
1655 | num_traces++; | |
1656 | range_start_idx = range_end_exc_idx; | |
1657 | } | |
1658 | ||
1659 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1660 | for (i = 0; i < traces->len;) { | |
5084732e | 1661 | if (!g_ptr_array_index(traces, i)) { |
41a65f30 SM |
1662 | g_ptr_array_remove_index_fast(traces, i); |
1663 | } else { | |
1664 | i++; | |
1665 | } | |
1666 | } | |
1667 | ||
1668 | BT_ASSERT(num_traces == traces->len); | |
54ef52bd FD |
1669 | |
1670 | end: | |
1671 | return ret; | |
41a65f30 SM |
1672 | } |
1673 | ||
1719bf64 FD |
1674 | enum target_event { |
1675 | FIRST_EVENT, | |
1676 | LAST_EVENT, | |
1677 | }; | |
1678 | ||
1679 | static | |
1680 | int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, | |
1681 | struct ctf_clock_class *default_cc, | |
1682 | struct ctf_fs_ds_index_entry *index_entry, | |
1683 | enum target_event target_event, uint64_t *cs, int64_t *ts_ns) | |
1684 | { | |
1685 | enum bt_msg_iter_status iter_status = BT_MSG_ITER_STATUS_OK; | |
1686 | struct ctf_fs_ds_file *ds_file = NULL; | |
1687 | struct bt_msg_iter *msg_iter = NULL; | |
1688 | bt_logging_level log_level = ctf_fs_trace->log_level; | |
1689 | bt_self_component *self_comp = ctf_fs_trace->self_comp; | |
1690 | int ret = 0; | |
1691 | ||
1692 | BT_ASSERT(ctf_fs_trace); | |
1693 | BT_ASSERT(ctf_fs_trace->metadata); | |
1694 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1695 | ||
1696 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, | |
1697 | bt_common_get_page_size(log_level) * 8, ctf_fs_ds_file_medops, | |
1698 | NULL, log_level, self_comp); | |
1699 | if (!msg_iter) { | |
1700 | /* bt_msg_iter_create() logs errors. */ | |
1701 | ret = -1; | |
1702 | goto end; | |
1703 | } | |
1704 | ||
1705 | BT_ASSERT(index_entry); | |
1706 | BT_ASSERT(index_entry->path); | |
1707 | ||
1708 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, | |
1709 | NULL, index_entry->path, log_level); | |
1710 | if (!ds_file) { | |
1711 | BT_LOGE_STR("Failed to create a ctf_fs_ds_file"); | |
1712 | ret = -1; | |
1713 | goto end; | |
1714 | } | |
1715 | ||
1716 | /* | |
1717 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1718 | * library objects (bt_field, bt_message_*, etc.). | |
1719 | */ | |
1720 | bt_msg_iter_set_dry_run(msg_iter, true); | |
1721 | ||
1722 | /* Seek to the beginning of the target packet. */ | |
1723 | iter_status = bt_msg_iter_seek(ds_file->msg_iter, index_entry->offset); | |
1724 | if (iter_status) { | |
1725 | /* bt_msg_iter_seek() logs errors. */ | |
1726 | ret = -1; | |
1727 | goto end; | |
1728 | } | |
1729 | ||
1730 | switch (target_event) { | |
1731 | case FIRST_EVENT: | |
1732 | /* | |
1733 | * Start to decode the packet until we reach the end of | |
1734 | * the first event. To extract the first event's clock | |
1735 | * snapshot. | |
1736 | */ | |
1737 | iter_status = bt_msg_iter_curr_packet_first_event_clock_snapshot( | |
1738 | ds_file->msg_iter, cs); | |
1739 | break; | |
1740 | case LAST_EVENT: | |
1741 | /* Decode the packet to extract the last event's clock snapshot. */ | |
1742 | iter_status = bt_msg_iter_curr_packet_last_event_clock_snapshot( | |
1743 | ds_file->msg_iter, cs); | |
1744 | break; | |
1745 | default: | |
1746 | abort(); | |
1747 | } | |
1748 | if (iter_status) { | |
1749 | ret = -1; | |
1750 | goto end; | |
1751 | } | |
1752 | ||
1753 | /* Convert clock snapshot to timestamp. */ | |
1754 | ret = bt_util_clock_cycles_to_ns_from_origin(*cs, | |
1755 | default_cc->frequency, default_cc->offset_seconds, | |
1756 | default_cc->offset_cycles, ts_ns); | |
1757 | if (ret) { | |
1758 | BT_LOGE_STR("Failed to convert clock snapshot to timestamp"); | |
1759 | goto end; | |
1760 | } | |
1761 | ||
1762 | end: | |
1763 | if (ds_file) { | |
1764 | ctf_fs_ds_file_destroy(ds_file); | |
1765 | } | |
1766 | if (msg_iter) { | |
1767 | bt_msg_iter_destroy(msg_iter); | |
1768 | } | |
1769 | ||
1770 | return ret; | |
1771 | } | |
1772 | ||
c43092a5 FD |
1773 | static |
1774 | int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, | |
1775 | struct ctf_clock_class *default_cc, | |
1776 | struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns) | |
1777 | { | |
1778 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, | |
1779 | index_entry, FIRST_EVENT, cs, ts_ns); | |
1780 | } | |
1781 | ||
1719bf64 FD |
1782 | static |
1783 | int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, | |
1784 | struct ctf_clock_class *default_cc, | |
1785 | struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns) | |
1786 | { | |
1787 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, | |
1788 | index_entry, LAST_EVENT, cs, ts_ns); | |
1789 | } | |
1790 | ||
1791 | /* | |
1792 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1793 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1794 | * larger (after) than the timestamp_end of the their packets. | |
1795 | * | |
1796 | * To fix up this erroneous data we do the following: | |
1797 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1798 | * end time to the next packet's beginning time. | |
1799 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1800 | * time to the packet's last event's time, if any, or to the packet's | |
1801 | * beginning time otherwise. | |
1802 | * | |
1803 | * Known buggy tracer versions: | |
1804 | * - before lttng-ust 2.11.0 | |
1805 | * - before lttng-module 2.11.0 | |
1806 | * - before lttng-module 2.10.10 | |
1807 | * - before lttng-module 2.9.13 | |
1808 | */ | |
1809 | static | |
1810 | int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) | |
1811 | { | |
1812 | int ret = 0; | |
1813 | guint ds_file_group_i; | |
1814 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1815 | bt_logging_level log_level = trace->log_level; | |
1816 | ||
1817 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; | |
1818 | ds_file_group_i++) { | |
1819 | guint entry_i; | |
1820 | struct ctf_clock_class *default_cc; | |
1821 | struct ctf_fs_ds_index_entry *last_entry; | |
1822 | struct ctf_fs_ds_index *index; | |
1823 | ||
1824 | struct ctf_fs_ds_file_group *ds_file_group = | |
1825 | g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1826 | ||
1827 | BT_ASSERT(ds_file_group); | |
1828 | index = ds_file_group->index; | |
1829 | ||
1830 | BT_ASSERT(index); | |
1831 | BT_ASSERT(index->entries); | |
1832 | BT_ASSERT(index->entries->len > 0); | |
1833 | ||
1834 | /* | |
1835 | * Iterate over all entries but the last one. The last one is | |
1836 | * fixed differently after. | |
1837 | */ | |
1838 | for (entry_i = 0; entry_i < index->entries->len - 1; | |
1839 | entry_i++) { | |
1840 | struct ctf_fs_ds_index_entry *curr_entry, *next_entry; | |
1841 | ||
1842 | curr_entry = g_ptr_array_index(index->entries, entry_i); | |
1843 | next_entry = g_ptr_array_index(index->entries, entry_i + 1); | |
1844 | ||
1845 | /* | |
1846 | * 1. Set the current index entry `end` timestamp to | |
1847 | * the next index entry `begin` timestamp. | |
1848 | */ | |
1849 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1850 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1851 | } | |
1852 | ||
1853 | /* | |
1854 | * 2. Fix the last entry by decoding the last event of the last | |
1855 | * packet. | |
1856 | */ | |
1857 | last_entry = g_ptr_array_index(index->entries, | |
1858 | index->entries->len - 1); | |
1859 | BT_ASSERT(last_entry); | |
1860 | ||
1861 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1862 | default_cc = ds_file_group->sc->default_clock_class; | |
1863 | ||
1864 | /* | |
1865 | * Decode packet to read the timestamp of the last event of the | |
1866 | * entry. | |
1867 | */ | |
1868 | ret = decode_packet_last_event_timestamp(trace, default_cc, | |
1869 | last_entry, &last_entry->timestamp_end, | |
1870 | &last_entry->timestamp_end_ns); | |
1871 | if (ret) { | |
1872 | BT_LOGE_STR("Failed to decode stream's last packet to get its last event's clock snapshot."); | |
1873 | goto end; | |
1874 | } | |
1875 | } | |
1876 | ||
1877 | end: | |
1878 | return ret; | |
1879 | } | |
1880 | ||
c43092a5 FD |
1881 | /* |
1882 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1883 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1884 | * less than the timestamp_begin of the their packets. | |
1885 | * | |
1886 | * To fix up this erroneous data we do the following: | |
1887 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1888 | * current entry to the timestamp of the first event of the packet. | |
1889 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1890 | * current packet. | |
1891 | * | |
1892 | * Known buggy tracer versions: | |
1893 | * - before barectf 2.3.1 | |
1894 | */ | |
1895 | static | |
1896 | int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) | |
1897 | { | |
1898 | int ret = 0; | |
1899 | guint ds_file_group_i; | |
1900 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1901 | bt_logging_level log_level = trace->log_level; | |
1902 | ||
1903 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; | |
1904 | ds_file_group_i++) { | |
1905 | guint entry_i; | |
1906 | struct ctf_clock_class *default_cc; | |
1907 | struct ctf_fs_ds_file_group *ds_file_group = | |
1908 | g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1909 | ||
1910 | struct ctf_fs_ds_index *index = ds_file_group->index; | |
1911 | ||
1912 | BT_ASSERT(index); | |
1913 | BT_ASSERT(index->entries); | |
1914 | BT_ASSERT(index->entries->len > 0); | |
1915 | ||
1916 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1917 | default_cc = ds_file_group->sc->default_clock_class; | |
1918 | ||
1919 | /* | |
1920 | * 1. Iterate over the index, starting from the second entry | |
1921 | * (index = 1). | |
1922 | */ | |
1923 | for (entry_i = 1; entry_i < index->entries->len; | |
1924 | entry_i++) { | |
1925 | struct ctf_fs_ds_index_entry *curr_entry, *prev_entry; | |
1926 | prev_entry = g_ptr_array_index(index->entries, entry_i - 1); | |
1927 | curr_entry = g_ptr_array_index(index->entries, entry_i); | |
1928 | /* | |
1929 | * 2. Set the current entry `begin` timestamp to the | |
1930 | * timestamp of the first event of the current packet. | |
1931 | */ | |
1932 | ret = decode_packet_first_event_timestamp(trace, default_cc, | |
1933 | curr_entry, &curr_entry->timestamp_begin, | |
1934 | &curr_entry->timestamp_begin_ns); | |
1935 | if (ret) { | |
1936 | BT_LOGE_STR("Failed to decode first event's clock snapshot"); | |
1937 | goto end; | |
1938 | } | |
1939 | ||
1940 | /* | |
1941 | * 3. Set the previous entry `end` timestamp to the | |
1942 | * timestamp of the first event of the current packet. | |
1943 | */ | |
1944 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1945 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1946 | } | |
1947 | } | |
1948 | end: | |
1949 | return ret; | |
1950 | } | |
1951 | ||
aada78b5 FD |
1952 | /* |
1953 | * When using the lttng-crash feature it's likely that the last packets of each | |
1954 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1955 | * the tracer crashed and was not able to properly close the packets. | |
1956 | * | |
1957 | * To fix up this erroneous data we do the following: | |
1958 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1959 | * timestamp_begin is not 0: | |
1960 | * - If it's the stream file's last packet: set the packet index entry's end | |
1961 | * time to the packet's last event's time, if any, or to the packet's | |
1962 | * beginning time otherwise. | |
1963 | * - If it's not the stream file's last packet: set the packet index | |
1964 | * entry's end time to the next packet's beginning time. | |
1965 | * | |
1966 | * Affected versions: | |
1967 | * - All current and future lttng-ust and lttng-modules versions. | |
1968 | */ | |
1969 | static | |
1970 | int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) | |
1971 | { | |
1972 | int ret = 0; | |
1973 | guint ds_file_group_idx; | |
1974 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1975 | bt_logging_level log_level = trace->log_level; | |
1976 | ||
1977 | for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len; | |
1978 | ds_file_group_idx++) { | |
1979 | guint entry_idx; | |
1980 | struct ctf_clock_class *default_cc; | |
1981 | struct ctf_fs_ds_index_entry *last_entry; | |
1982 | struct ctf_fs_ds_index *index; | |
1983 | ||
1984 | struct ctf_fs_ds_file_group *ds_file_group = | |
1985 | g_ptr_array_index(ds_file_groups, ds_file_group_idx); | |
1986 | ||
1987 | BT_ASSERT(ds_file_group); | |
1988 | index = ds_file_group->index; | |
1989 | ||
1990 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1991 | default_cc = ds_file_group->sc->default_clock_class; | |
1992 | ||
1993 | BT_ASSERT(index); | |
1994 | BT_ASSERT(index->entries); | |
1995 | BT_ASSERT(index->entries->len > 0); | |
1996 | ||
1997 | last_entry = g_ptr_array_index(index->entries, | |
1998 | index->entries->len - 1); | |
1999 | BT_ASSERT(last_entry); | |
2000 | ||
2001 | ||
2002 | /* 1. Fix the last entry first. */ | |
2003 | if (last_entry->timestamp_end == 0 && | |
2004 | last_entry->timestamp_begin != 0) { | |
2005 | /* | |
2006 | * Decode packet to read the timestamp of the | |
2007 | * last event of the stream file. | |
2008 | */ | |
2009 | ret = decode_packet_last_event_timestamp(trace, | |
2010 | default_cc, last_entry, | |
2011 | &last_entry->timestamp_end, | |
2012 | &last_entry->timestamp_end_ns); | |
2013 | if (ret) { | |
2014 | BT_LOGE_STR("Failed to decode last event's clock snapshot"); | |
2015 | goto end; | |
2016 | } | |
2017 | } | |
2018 | ||
2019 | /* Iterate over all entries but the last one. */ | |
2020 | for (entry_idx = 0; entry_idx < index->entries->len - 1; | |
2021 | entry_idx++) { | |
2022 | struct ctf_fs_ds_index_entry *curr_entry, *next_entry; | |
2023 | curr_entry = g_ptr_array_index(index->entries, entry_idx); | |
2024 | next_entry = g_ptr_array_index(index->entries, entry_idx + 1); | |
2025 | ||
2026 | if (curr_entry->timestamp_end == 0 && | |
2027 | curr_entry->timestamp_begin != 0) { | |
2028 | /* | |
2029 | * 2. Set the current index entry `end` timestamp to | |
2030 | * the next index entry `begin` timestamp. | |
2031 | */ | |
2032 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
2033 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
2034 | } | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | end: | |
2039 | return ret; | |
2040 | } | |
2041 | ||
626cc488 FD |
2042 | /* |
2043 | * Extract the tracer information necessary to compare versions. | |
2044 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
2045 | * necessary fields are absents in the trace metadata. | |
2046 | */ | |
2047 | static | |
626cc488 FD |
2048 | int extract_tracer_info(struct ctf_fs_trace *trace, |
2049 | struct tracer_info *current_tracer_info) | |
2050 | { | |
2051 | int ret = 0; | |
2052 | struct ctf_trace_class_env_entry *entry; | |
2053 | ||
2054 | /* Clear the current_tracer_info struct */ | |
2055 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
2056 | ||
2057 | /* | |
2058 | * To compare 2 tracer versions, at least the tracer name and it's | |
2059 | * major version are needed. If one of these is missing, consider it an | |
2060 | * extraction failure. | |
2061 | */ | |
2062 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
2063 | trace->metadata->tc, "tracer_name"); | |
2064 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
2065 | goto missing_bare_minimum; | |
2066 | } | |
2067 | ||
2068 | /* Set tracer name. */ | |
2069 | current_tracer_info->name = entry->value.str->str; | |
2070 | ||
2071 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
2072 | trace->metadata->tc, "tracer_major"); | |
2073 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
2074 | goto missing_bare_minimum; | |
2075 | } | |
2076 | ||
2077 | /* Set major version number. */ | |
2078 | current_tracer_info->major = entry->value.i; | |
2079 | ||
2080 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
2081 | trace->metadata->tc, "tracer_minor"); | |
2082 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
2083 | goto end; | |
2084 | } | |
2085 | ||
2086 | /* Set minor version number. */ | |
2087 | current_tracer_info->minor = entry->value.i; | |
2088 | ||
2089 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
2090 | trace->metadata->tc, "tracer_patch"); | |
2091 | if (!entry) { | |
2092 | /* | |
2093 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
2094 | * For example, `lttng-modules` uses entry name | |
2095 | * `tracer_patchlevel`. | |
2096 | */ | |
2097 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
2098 | trace->metadata->tc, "tracer_patchlevel"); | |
2099 | } | |
2100 | ||
2101 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
2102 | goto end; | |
2103 | } | |
2104 | ||
2105 | /* Set patch version number. */ | |
2106 | current_tracer_info->patch = entry->value.i; | |
2107 | ||
2108 | goto end; | |
2109 | ||
2110 | missing_bare_minimum: | |
2111 | ret = -1; | |
2112 | end: | |
2113 | return ret; | |
2114 | } | |
2115 | ||
1719bf64 FD |
2116 | static |
2117 | bool is_tracer_affected_by_lttng_event_after_packet_bug( | |
2118 | struct tracer_info *curr_tracer_info) | |
2119 | { | |
2120 | bool is_affected = false; | |
2121 | ||
2122 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
2123 | if (curr_tracer_info->major < 2) { | |
2124 | is_affected = true; | |
2125 | } else if (curr_tracer_info->major == 2) { | |
2126 | /* fixed in lttng-ust 2.11.0 */ | |
2127 | if (curr_tracer_info->minor < 11) { | |
2128 | is_affected = true; | |
2129 | } | |
2130 | } | |
2131 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
2132 | if (curr_tracer_info->major < 2) { | |
2133 | is_affected = true; | |
2134 | } else if (curr_tracer_info->major == 2) { | |
2135 | /* fixed in lttng-modules 2.11.0 */ | |
2136 | if (curr_tracer_info->minor == 10) { | |
2137 | /* fixed in lttng-modules 2.10.10 */ | |
2138 | if (curr_tracer_info->patch < 10) { | |
2139 | is_affected = true; | |
2140 | } | |
2141 | } else if (curr_tracer_info->minor == 9) { | |
2142 | /* fixed in lttng-modules 2.9.13 */ | |
2143 | if (curr_tracer_info->patch < 13) { | |
2144 | is_affected = true; | |
2145 | } | |
2146 | } else if (curr_tracer_info->minor < 9) { | |
2147 | is_affected = true; | |
2148 | } | |
2149 | } | |
2150 | } | |
2151 | ||
2152 | return is_affected; | |
2153 | } | |
2154 | ||
c43092a5 FD |
2155 | static |
2156 | bool is_tracer_affected_by_barectf_event_before_packet_bug( | |
2157 | struct tracer_info *curr_tracer_info) | |
2158 | { | |
2159 | bool is_affected = false; | |
2160 | ||
2161 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
2162 | if (curr_tracer_info->major < 2) { | |
2163 | is_affected = true; | |
2164 | } else if (curr_tracer_info->major == 2) { | |
2165 | if (curr_tracer_info->minor < 3) { | |
2166 | is_affected = true; | |
2167 | } else if (curr_tracer_info->minor == 3) { | |
2168 | /* fixed in barectf 2.3.1 */ | |
2169 | if (curr_tracer_info->patch < 1) { | |
2170 | is_affected = true; | |
2171 | } | |
2172 | } | |
2173 | } | |
2174 | } | |
2175 | ||
2176 | return is_affected; | |
2177 | } | |
2178 | ||
aada78b5 FD |
2179 | static |
2180 | bool is_tracer_affected_by_lttng_crash_quirk( | |
2181 | struct tracer_info *curr_tracer_info) | |
2182 | { | |
2183 | bool is_affected = false; | |
2184 | ||
2185 | /* All LTTng tracer may be affected by this lttng crash quirk. */ | |
2186 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
2187 | is_affected = true; | |
2188 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
2189 | is_affected = true; | |
2190 | } | |
2191 | ||
2192 | return is_affected; | |
2193 | } | |
2194 | ||
1719bf64 FD |
2195 | /* |
2196 | * Looks for trace produced by known buggy tracers and fix up the index | |
2197 | * produced earlier. | |
2198 | */ | |
2199 | static | |
2200 | int fix_packet_index_tracer_bugs(struct ctf_fs_component *ctf_fs) | |
2201 | { | |
2202 | int ret = 0; | |
2203 | guint trace_i; | |
2204 | struct tracer_info current_tracer_info; | |
2205 | GPtrArray *traces = ctf_fs->traces; | |
2206 | bt_logging_level log_level = ctf_fs->log_level; | |
2207 | ||
2208 | /* | |
2209 | * Iterate over all the traces of this component and check for | |
2210 | * possible indexing bugs. | |
2211 | */ | |
2212 | for (trace_i = 0; trace_i < traces->len; trace_i++) { | |
2213 | struct ctf_fs_trace *trace = g_ptr_array_index(traces, | |
2214 | trace_i); | |
2215 | ||
2216 | ret = extract_tracer_info(trace, ¤t_tracer_info); | |
2217 | if (ret) { | |
2218 | /* | |
2219 | * A trace may not have all the necessary environment | |
2220 | * entries to do the tracer version comparison. | |
2221 | * At least, the tracer name and major version number | |
2222 | * are needed. Failing to extract these entries is not | |
2223 | * an error. | |
2224 | */ | |
2225 | ret = 0; | |
2226 | BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions."); | |
2227 | continue; | |
2228 | } | |
2229 | ||
2230 | /* Check if the trace may be affected by old tracer bugs. */ | |
2231 | if (is_tracer_affected_by_lttng_event_after_packet_bug( | |
2232 | ¤t_tracer_info)) { | |
2233 | BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
2234 | ret = fix_index_lttng_event_after_packet_bug(trace); | |
2235 | if (ret) { | |
2236 | BT_LOGE_STR("Failed to fix LTTng event-after-packet bug."); | |
2237 | goto end; | |
2238 | } | |
7d1ac606 | 2239 | trace->metadata->tc->quirks.lttng_event_after_packet = true; |
1719bf64 | 2240 | } |
c43092a5 FD |
2241 | |
2242 | if (is_tracer_affected_by_barectf_event_before_packet_bug( | |
2243 | ¤t_tracer_info)) { | |
2244 | BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
2245 | ret = fix_index_barectf_event_before_packet_bug(trace); | |
2246 | if (ret) { | |
2247 | BT_LOGE_STR("Failed to fix barectf event-before-packet bug."); | |
2248 | goto end; | |
2249 | } | |
2250 | } | |
aada78b5 FD |
2251 | |
2252 | if (is_tracer_affected_by_lttng_crash_quirk( | |
2253 | ¤t_tracer_info)) { | |
2254 | ret = fix_index_lttng_crash_quirk(trace); | |
2255 | if (ret) { | |
2256 | BT_LOGE_STR("Failed to fix lttng-crash timestamp quirks."); | |
2257 | goto end; | |
2258 | } | |
5c2e8153 | 2259 | trace->metadata->tc->quirks.lttng_crash = true; |
aada78b5 | 2260 | } |
1719bf64 FD |
2261 | } |
2262 | end: | |
2263 | return ret; | |
2264 | } | |
2265 | ||
f280892e SM |
2266 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
2267 | struct ctf_fs_component *ctf_fs, | |
2268 | const bt_value *paths_value) | |
2269 | { | |
2270 | int ret = 0; | |
2271 | uint64_t i; | |
1719bf64 | 2272 | bt_logging_level log_level = ctf_fs->log_level; |
f280892e | 2273 | |
393729a6 | 2274 | for (i = 0; i < bt_value_array_get_length(paths_value); i++) { |
f280892e | 2275 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); |
73760435 | 2276 | const char *input = bt_value_string_get(path_value); |
f280892e | 2277 | |
4c65a157 | 2278 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(ctf_fs, |
73760435 | 2279 | input); |
f280892e SM |
2280 | if (ret) { |
2281 | goto end; | |
2282 | } | |
2283 | } | |
2284 | ||
54ef52bd | 2285 | ret = merge_traces_with_same_uuid(ctf_fs); |
1719bf64 FD |
2286 | if (ret) { |
2287 | BT_LOGE_STR("Failed to merge traces with the same UUID."); | |
2288 | } | |
41a65f30 | 2289 | |
1719bf64 FD |
2290 | ret = fix_packet_index_tracer_bugs(ctf_fs); |
2291 | if (ret) { | |
2292 | BT_LOGE_STR("Failed to fix packet index tracer bugs."); | |
2293 | } | |
f280892e SM |
2294 | end: |
2295 | return ret; | |
2296 | } | |
2297 | ||
a38d7650 SM |
2298 | static |
2299 | GString *get_stream_instance_unique_name( | |
2300 | struct ctf_fs_ds_file_group *ds_file_group) | |
2301 | { | |
2302 | GString *name; | |
2303 | struct ctf_fs_ds_file_info *ds_file_info; | |
2304 | ||
2305 | name = g_string_new(NULL); | |
2306 | if (!name) { | |
2307 | goto end; | |
2308 | } | |
2309 | ||
2310 | /* | |
2311 | * If there's more than one stream file in the stream file | |
2312 | * group, the first (earliest) stream file's path is used as | |
2313 | * the stream's unique name. | |
2314 | */ | |
2315 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
2316 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
2317 | g_string_assign(name, ds_file_info->path->str); | |
2318 | ||
2319 | end: | |
2320 | return name; | |
2321 | } | |
2322 | ||
f280892e SM |
2323 | /* Create the IR stream objects for ctf_fs_trace. */ |
2324 | ||
2325 | static | |
2326 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
2327 | { | |
2328 | int ret; | |
2329 | GString *name = NULL; | |
2330 | guint i; | |
98903a3e | 2331 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 2332 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
f280892e SM |
2333 | |
2334 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
2335 | struct ctf_fs_ds_file_group *ds_file_group = | |
2336 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
2337 | name = get_stream_instance_unique_name(ds_file_group); | |
2338 | ||
2339 | if (!name) { | |
2340 | goto error; | |
2341 | } | |
2342 | ||
2343 | if (ds_file_group->sc->ir_sc) { | |
2344 | BT_ASSERT(ctf_fs_trace->trace); | |
2345 | ||
2346 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
2347 | /* No stream ID: use 0 */ | |
2348 | ds_file_group->stream = bt_stream_create_with_id( | |
2349 | ds_file_group->sc->ir_sc, | |
2350 | ctf_fs_trace->trace, | |
2351 | ctf_fs_trace->next_stream_id); | |
2352 | ctf_fs_trace->next_stream_id++; | |
2353 | } else { | |
2354 | /* Specific stream ID */ | |
2355 | ds_file_group->stream = bt_stream_create_with_id( | |
2356 | ds_file_group->sc->ir_sc, | |
2357 | ctf_fs_trace->trace, | |
2358 | (uint64_t) ds_file_group->stream_id); | |
2359 | } | |
2360 | } else { | |
2361 | ds_file_group->stream = NULL; | |
2362 | } | |
2363 | ||
2364 | if (!ds_file_group->stream) { | |
4c65a157 | 2365 | BT_COMP_LOGE("Cannot create stream for DS file group: " |
f280892e SM |
2366 | "addr=%p, stream-name=\"%s\"", |
2367 | ds_file_group, name->str); | |
2368 | goto error; | |
2369 | } | |
2370 | ||
2371 | ret = bt_stream_set_name(ds_file_group->stream, | |
2372 | name->str); | |
2373 | if (ret) { | |
4c65a157 | 2374 | BT_COMP_LOGE("Cannot set stream's name: " |
f280892e SM |
2375 | "addr=%p, stream-name=\"%s\"", |
2376 | ds_file_group->stream, name->str); | |
2377 | goto error; | |
2378 | } | |
2379 | ||
2380 | g_string_free(name, TRUE); | |
2381 | name = NULL; | |
2382 | } | |
2383 | ||
2384 | ret = 0; | |
2385 | goto end; | |
2386 | ||
2387 | error: | |
2388 | ret = -1; | |
2389 | ||
2390 | end: | |
2391 | ||
2392 | if (name) { | |
2393 | g_string_free(name, TRUE); | |
2394 | } | |
2395 | return ret; | |
2396 | } | |
2397 | ||
d907165c SM |
2398 | /* |
2399 | * Validate the "paths" parameter passed to this component. It must be | |
2400 | * present, and it must be an array of strings. | |
2401 | */ | |
2402 | ||
2403 | static | |
73760435 SM |
2404 | bool validate_inputs_parameter(struct ctf_fs_component *ctf_fs, |
2405 | const bt_value *inputs) | |
f280892e SM |
2406 | { |
2407 | bool ret; | |
2408 | bt_value_type type; | |
2409 | uint64_t i; | |
98903a3e | 2410 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 2411 | bt_self_component *self_comp = ctf_fs->self_comp; |
f280892e | 2412 | |
73760435 SM |
2413 | if (!inputs) { |
2414 | BT_COMP_LOGE("missing \"inputs\" parameter"); | |
f280892e SM |
2415 | goto error; |
2416 | } | |
2417 | ||
73760435 | 2418 | type = bt_value_get_type(inputs); |
f280892e | 2419 | if (type != BT_VALUE_TYPE_ARRAY) { |
73760435 | 2420 | BT_COMP_LOGE("`inputs` parameter: expecting array value: type=%s", |
f280892e SM |
2421 | bt_common_value_type_string(type)); |
2422 | goto error; | |
2423 | } | |
2424 | ||
393729a6 | 2425 | for (i = 0; i < bt_value_array_get_length(inputs); i++) { |
f280892e SM |
2426 | const bt_value *elem; |
2427 | ||
73760435 | 2428 | elem = bt_value_array_borrow_element_by_index_const(inputs, i); |
f280892e SM |
2429 | type = bt_value_get_type(elem); |
2430 | if (type != BT_VALUE_TYPE_STRING) { | |
73760435 | 2431 | BT_COMP_LOGE("`inputs` parameter: expecting string value: index=%" PRIu64 ", type=%s", |
f280892e SM |
2432 | i, bt_common_value_type_string(type)); |
2433 | goto error; | |
2434 | } | |
2435 | } | |
2436 | ||
2437 | ret = true; | |
2438 | goto end; | |
2439 | ||
2440 | error: | |
2441 | ret = false; | |
2442 | ||
2443 | end: | |
2444 | return ret; | |
2445 | } | |
2446 | ||
d907165c | 2447 | bool read_src_fs_parameters(const bt_value *params, |
73760435 | 2448 | const bt_value **inputs, struct ctf_fs_component *ctf_fs) { |
d907165c SM |
2449 | bool ret; |
2450 | const bt_value *value; | |
98903a3e | 2451 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 2452 | bt_self_component *self_comp = ctf_fs->self_comp; |
d907165c | 2453 | |
73760435 SM |
2454 | /* inputs parameter */ |
2455 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
2456 | if (!validate_inputs_parameter(ctf_fs, *inputs)) { | |
d907165c SM |
2457 | goto error; |
2458 | } | |
2459 | ||
2460 | /* clock-class-offset-s parameter */ | |
2461 | value = bt_value_map_borrow_entry_value_const(params, | |
2462 | "clock-class-offset-s"); | |
2463 | if (value) { | |
fdd3a2da | 2464 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 2465 | BT_COMP_LOGE("clock-class-offset-s must be an integer"); |
d907165c SM |
2466 | goto error; |
2467 | } | |
2468 | ctf_fs->metadata_config.clock_class_offset_s = | |
9c08c816 | 2469 | bt_value_integer_signed_get(value); |
d907165c SM |
2470 | } |
2471 | ||
2472 | /* clock-class-offset-ns parameter */ | |
2473 | value = bt_value_map_borrow_entry_value_const(params, | |
2474 | "clock-class-offset-ns"); | |
2475 | if (value) { | |
fdd3a2da | 2476 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 2477 | BT_COMP_LOGE("clock-class-offset-ns must be an integer"); |
d907165c SM |
2478 | goto error; |
2479 | } | |
2480 | ctf_fs->metadata_config.clock_class_offset_ns = | |
9c08c816 | 2481 | bt_value_integer_signed_get(value); |
d907165c SM |
2482 | } |
2483 | ||
2484 | ||
2485 | ret = true; | |
2486 | goto end; | |
2487 | ||
2488 | error: | |
2489 | ret = false; | |
2490 | ||
2491 | end: | |
2492 | return ret; | |
2493 | } | |
2494 | ||
5b29e799 | 2495 | static |
d94d92ac | 2496 | struct ctf_fs_component *ctf_fs_create( |
98903a3e | 2497 | bt_self_component_source *self_comp_src, |
b19ff26f | 2498 | const bt_value *params) |
56a1cced | 2499 | { |
f280892e | 2500 | struct ctf_fs_component *ctf_fs = NULL; |
f280892e | 2501 | guint i; |
73760435 | 2502 | const bt_value *inputs_value; |
98903a3e PP |
2503 | bt_self_component *self_comp = |
2504 | bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 2505 | |
98903a3e | 2506 | ctf_fs = ctf_fs_component_create(bt_component_get_logging_level( |
4c65a157 | 2507 | bt_self_component_as_component(self_comp)), self_comp); |
d907165c | 2508 | if (!ctf_fs) { |
f280892e SM |
2509 | goto error; |
2510 | } | |
2511 | ||
73760435 | 2512 | if (!read_src_fs_parameters(params, &inputs_value, ctf_fs)) { |
f280892e | 2513 | goto error; |
56a1cced JG |
2514 | } |
2515 | ||
98903a3e | 2516 | bt_self_component_set_data(self_comp, ctf_fs); |
4c65a157 PP |
2517 | ctf_fs->self_comp = self_comp; |
2518 | ctf_fs->self_comp_src = self_comp_src; | |
56a1cced | 2519 | |
73760435 | 2520 | if (ctf_fs_component_create_ctf_fs_traces(self_comp_src, ctf_fs, inputs_value)) { |
4f1f88a6 PP |
2521 | goto error; |
2522 | } | |
2523 | ||
f280892e SM |
2524 | for (i = 0; i < ctf_fs->traces->len; i++) { |
2525 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 2526 | |
f280892e SM |
2527 | if (create_streams_for_trace(trace)) { |
2528 | goto error; | |
2529 | } | |
2530 | ||
2531 | if (create_ports_for_trace(ctf_fs, trace)) { | |
2532 | goto error; | |
2533 | } | |
4f1f88a6 PP |
2534 | } |
2535 | ||
1ef09eb5 JG |
2536 | goto end; |
2537 | ||
56a1cced | 2538 | error: |
1a9f7075 | 2539 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 2540 | ctf_fs = NULL; |
98903a3e | 2541 | bt_self_component_set_data(self_comp, NULL); |
1a9f7075 | 2542 | |
1ef09eb5 | 2543 | end: |
56a1cced JG |
2544 | return ctf_fs; |
2545 | } | |
2546 | ||
ea0b4b9e | 2547 | BT_HIDDEN |
d24d5663 | 2548 | bt_component_class_init_method_status ctf_fs_init( |
b19ff26f | 2549 | bt_self_component_source *self_comp, |
c88dd1cb | 2550 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
2551 | { |
2552 | struct ctf_fs_component *ctf_fs; | |
d24d5663 PP |
2553 | bt_component_class_init_method_status ret = |
2554 | BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK; | |
ea0b4b9e | 2555 | |
d94d92ac | 2556 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 2557 | if (!ctf_fs) { |
d24d5663 | 2558 | ret = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR; |
ea0b4b9e | 2559 | } |
4c1456f0 | 2560 | |
ea0b4b9e JG |
2561 | return ret; |
2562 | } | |
33f93973 PP |
2563 | |
2564 | BT_HIDDEN | |
d24d5663 | 2565 | bt_component_class_query_method_status ctf_fs_query( |
b19ff26f | 2566 | bt_self_component_class_source *comp_class, |
3c729b9a | 2567 | bt_private_query_executor *priv_query_exec, |
b19ff26f | 2568 | const char *object, const bt_value *params, |
7c14d641 | 2569 | __attribute__((unused)) void *method_data, |
b19ff26f | 2570 | const bt_value **result) |
33f93973 | 2571 | { |
d24d5663 PP |
2572 | bt_component_class_query_method_status status = |
2573 | BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
3c729b9a PP |
2574 | bt_logging_level log_level = bt_query_executor_get_logging_level( |
2575 | bt_private_query_executor_as_query_executor_const( | |
2576 | priv_query_exec)); | |
33f93973 | 2577 | |
2242b43d | 2578 | if (strcmp(object, "metadata-info") == 0) { |
98903a3e PP |
2579 | status = metadata_info_query(comp_class, params, log_level, |
2580 | result); | |
1a29b831 | 2581 | } else if (strcmp(object, "babeltrace.trace-info") == 0) { |
98903a3e PP |
2582 | status = trace_info_query(comp_class, params, log_level, |
2583 | result); | |
1a29b831 | 2584 | } else if (!strcmp(object, "babeltrace.support-info")) { |
73760435 | 2585 | status = support_info_query(comp_class, params, log_level, result); |
33f93973 | 2586 | } else { |
55314f2a | 2587 | BT_LOGE("Unknown query object `%s`", object); |
76b6c2f7 | 2588 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
04c0ba87 | 2589 | goto end; |
33f93973 | 2590 | } |
33f93973 | 2591 | end: |
d94d92ac | 2592 | return status; |
33f93973 | 2593 | } |