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 | ||
4bd72b60 | 28 | #include <babeltrace/common-internal.h> |
9d408fca | 29 | #include <babeltrace/babeltrace.h> |
7d61fa8e | 30 | #include <plugins-common.h> |
ea0b4b9e | 31 | #include <glib.h> |
f6ccaed9 | 32 | #include <babeltrace/assert-internal.h> |
94cf822e | 33 | #include <inttypes.h> |
c55a9f58 | 34 | #include <stdbool.h> |
56a1cced | 35 | #include "fs.h" |
413bc2c4 | 36 | #include "metadata.h" |
94cf822e | 37 | #include "data-stream-file.h" |
e7a4393b | 38 | #include "file.h" |
1e649dff | 39 | #include "../common/metadata/decoder.h" |
c14831f0 | 40 | #include "../common/msg-iter/msg-iter.h" |
a429c321 | 41 | #include "../common/utils/utils.h" |
04c0ba87 | 42 | #include "query.h" |
e7a4393b | 43 | |
55314f2a JG |
44 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SRC" |
45 | #include "logging.h" | |
ea0b4b9e | 46 | |
94cf822e | 47 | static |
c14831f0 | 48 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
49 | { |
50 | struct ctf_fs_ds_file_info *ds_file_info; | |
51 | int ret = 0; | |
52 | ||
c14831f0 PP |
53 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
54 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 55 | ds_file_info = g_ptr_array_index( |
c14831f0 PP |
56 | msg_iter_data->ds_file_group->ds_file_infos, |
57 | msg_iter_data->ds_file_info_index); | |
58 | ||
59 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
60 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
61 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
62 | msg_iter_data->pc_msg_iter, | |
63 | msg_iter_data->msg_iter, | |
64 | msg_iter_data->ds_file_group->stream, | |
97ade20b | 65 | ds_file_info->path->str); |
c14831f0 | 66 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
67 | ret = -1; |
68 | } | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
73 | static | |
c14831f0 PP |
74 | void ctf_fs_msg_iter_data_destroy( |
75 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 76 | { |
c14831f0 | 77 | if (!msg_iter_data) { |
94cf822e PP |
78 | return; |
79 | } | |
80 | ||
c14831f0 | 81 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 82 | |
c14831f0 PP |
83 | if (msg_iter_data->msg_iter) { |
84 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
85 | } |
86 | ||
c14831f0 | 87 | g_free(msg_iter_data); |
94cf822e PP |
88 | } |
89 | ||
d26376f5 PP |
90 | static |
91 | void set_msg_iter_emits_stream_beginning_end_messages( | |
92 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
93 | { | |
94 | bt_msg_iter_set_emit_stream_beginning_message( | |
95 | msg_iter_data->ds_file->msg_iter, | |
96 | msg_iter_data->ds_file_info_index == 0); | |
97 | bt_msg_iter_set_emit_stream_end_message( | |
98 | msg_iter_data->ds_file->msg_iter, | |
99 | msg_iter_data->ds_file_info_index == | |
100 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
101 | } | |
102 | ||
d4393e08 | 103 | static |
b7c5b62e | 104 | bt_self_message_iterator_status ctf_fs_iterator_next_one( |
c14831f0 | 105 | struct ctf_fs_msg_iter_data *msg_iter_data, |
d26376f5 | 106 | const bt_message **out_msg) |
ea0b4b9e | 107 | { |
b7c5b62e | 108 | bt_self_message_iterator_status status; |
94cf822e | 109 | |
c14831f0 | 110 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 111 | |
d26376f5 PP |
112 | while (true) { |
113 | bt_message *msg; | |
114 | ||
115 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
116 | switch (status) { | |
117 | case BT_SELF_MESSAGE_ITERATOR_STATUS_OK: | |
118 | *out_msg = msg; | |
119 | msg = NULL; | |
f42867e2 | 120 | goto end; |
d26376f5 PP |
121 | case BT_SELF_MESSAGE_ITERATOR_STATUS_END: |
122 | { | |
123 | int ret; | |
f42867e2 | 124 | |
d26376f5 PP |
125 | if (msg_iter_data->ds_file_info_index == |
126 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
127 | /* End of all group's stream files */ | |
128 | goto end; | |
129 | } | |
130 | ||
131 | msg_iter_data->ds_file_info_index++; | |
132 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
133 | set_msg_iter_emits_stream_beginning_end_messages( | |
134 | msg_iter_data); | |
94cf822e | 135 | |
94cf822e | 136 | /* |
d26376f5 PP |
137 | * Open and start reading the next stream file |
138 | * within our stream file group. | |
94cf822e | 139 | */ |
d26376f5 PP |
140 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
141 | if (ret) { | |
142 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
143 | goto end; | |
144 | } | |
145 | ||
146 | /* Continue the loop to get the next message */ | |
147 | break; | |
94cf822e | 148 | } |
d26376f5 | 149 | default: |
94cf822e PP |
150 | goto end; |
151 | } | |
94cf822e | 152 | } |
d01e0f33 | 153 | |
94cf822e | 154 | end: |
d4393e08 PP |
155 | return status; |
156 | } | |
157 | ||
158 | BT_HIDDEN | |
b7c5b62e | 159 | bt_self_message_iterator_status ctf_fs_iterator_next( |
c14831f0 PP |
160 | bt_self_message_iterator *iterator, |
161 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
162 | uint64_t *count) |
163 | { | |
b7c5b62e | 164 | bt_self_message_iterator_status status = |
c14831f0 PP |
165 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
166 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
167 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
168 | uint64_t i = 0; |
169 | ||
c14831f0 PP |
170 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
171 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
172 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
173 | i++; |
174 | } | |
175 | } | |
176 | ||
177 | if (i > 0) { | |
178 | /* | |
179 | * Even if ctf_fs_iterator_next_one() returned something | |
c14831f0 PP |
180 | * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
181 | * accumulated message objects in the output | |
182 | * message array, so we need to return | |
183 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are | |
d4393e08 | 184 | * transfered to downstream. This other status occurs |
c14831f0 | 185 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 186 | * called, possibly without any accumulated |
c14831f0 | 187 | * message, in which case we'll return it. |
d4393e08 PP |
188 | */ |
189 | *count = i; | |
c14831f0 | 190 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
191 | } |
192 | ||
193 | return status; | |
ea0b4b9e | 194 | } |
bfd20a42 | 195 | |
c14831f0 | 196 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 197 | { |
c14831f0 PP |
198 | ctf_fs_msg_iter_data_destroy( |
199 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
200 | } |
201 | ||
b7c5b62e | 202 | bt_self_message_iterator_status ctf_fs_iterator_init( |
c14831f0 | 203 | bt_self_message_iterator *self_msg_iter, |
b9879703 PP |
204 | bt_self_component_source *self_comp, |
205 | bt_self_component_port_output *self_port) | |
4c1456f0 | 206 | { |
4f1f88a6 | 207 | struct ctf_fs_port_data *port_data; |
c14831f0 | 208 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
b7c5b62e | 209 | bt_self_message_iterator_status ret = |
c14831f0 | 210 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
94cf822e | 211 | int iret; |
760051fa | 212 | |
d27a81b2 | 213 | port_data = bt_self_component_port_get_data( |
27c0f01f | 214 | bt_self_component_port_output_as_self_component_port( |
d27a81b2 PP |
215 | self_port)); |
216 | BT_ASSERT(port_data); | |
c14831f0 PP |
217 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
218 | if (!msg_iter_data) { | |
219 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
94cf822e PP |
220 | goto error; |
221 | } | |
222 | ||
c14831f0 PP |
223 | msg_iter_data->pc_msg_iter = self_msg_iter; |
224 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
61f59358 | 225 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
6de92955 PP |
226 | bt_common_get_page_size() * 8, |
227 | ctf_fs_ds_file_medops, NULL); | |
c14831f0 PP |
228 | if (!msg_iter_data->msg_iter) { |
229 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
230 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
6de92955 PP |
231 | goto error; |
232 | } | |
233 | ||
c14831f0 PP |
234 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
235 | iret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
94cf822e | 236 | if (iret) { |
c14831f0 | 237 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
4f1f88a6 | 238 | goto error; |
760051fa JG |
239 | } |
240 | ||
d26376f5 | 241 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); |
c14831f0 PP |
242 | bt_self_message_iterator_set_data(self_msg_iter, |
243 | msg_iter_data); | |
244 | if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
4f1f88a6 | 245 | goto error; |
760051fa JG |
246 | } |
247 | ||
c14831f0 | 248 | msg_iter_data = NULL; |
4f1f88a6 | 249 | goto end; |
5b29e799 | 250 | |
4f1f88a6 | 251 | error: |
c14831f0 | 252 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 253 | |
760051fa | 254 | end: |
c14831f0 | 255 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
256 | return ret; |
257 | } | |
258 | ||
760051fa | 259 | static |
1a9f7075 | 260 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 261 | { |
4f1f88a6 | 262 | if (!ctf_fs) { |
8fa760ba JG |
263 | return; |
264 | } | |
4f1f88a6 | 265 | |
1a9f7075 PP |
266 | if (ctf_fs->traces) { |
267 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 268 | } |
4f1f88a6 PP |
269 | |
270 | if (ctf_fs->port_data) { | |
271 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 272 | } |
760051fa | 273 | |
1a9f7075 PP |
274 | g_free(ctf_fs); |
275 | } | |
276 | ||
97ade20b JG |
277 | BT_HIDDEN |
278 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) | |
1a9f7075 | 279 | { |
1a9f7075 PP |
280 | if (!ctf_fs_trace) { |
281 | return; | |
282 | } | |
283 | ||
94cf822e PP |
284 | if (ctf_fs_trace->ds_file_groups) { |
285 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
286 | } | |
287 | ||
317e35ec | 288 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
3b4c8c43 | 289 | |
1a9f7075 PP |
290 | if (ctf_fs_trace->path) { |
291 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 292 | } |
760051fa | 293 | |
1a9f7075 PP |
294 | if (ctf_fs_trace->name) { |
295 | g_string_free(ctf_fs_trace->name, TRUE); | |
296 | } | |
297 | ||
298 | if (ctf_fs_trace->metadata) { | |
299 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
300 | g_free(ctf_fs_trace->metadata); | |
301 | } | |
302 | ||
1a9f7075 | 303 | g_free(ctf_fs_trace); |
4c1456f0 JG |
304 | } |
305 | ||
97ade20b | 306 | static |
7f57aa08 | 307 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
308 | { |
309 | struct ctf_fs_trace *trace = data; | |
310 | ctf_fs_trace_destroy(trace); | |
311 | } | |
312 | ||
b9879703 | 313 | void ctf_fs_finalize(bt_self_component_source *component) |
a4792757 | 314 | { |
d27a81b2 | 315 | ctf_fs_destroy(bt_self_component_get_data( |
27c0f01f | 316 | bt_self_component_source_as_self_component(component))); |
a4792757 JG |
317 | } |
318 | ||
e7a4393b | 319 | static |
4f1f88a6 PP |
320 | void port_data_destroy(void *data) { |
321 | struct ctf_fs_port_data *port_data = data; | |
322 | ||
323 | if (!port_data) { | |
324 | return; | |
325 | } | |
326 | ||
4f1f88a6 | 327 | g_free(port_data); |
5b29e799 JG |
328 | } |
329 | ||
547eacf1 PP |
330 | static |
331 | GString *get_stream_instance_unique_name( | |
332 | struct ctf_fs_ds_file_group *ds_file_group) | |
333 | { | |
334 | GString *name; | |
335 | struct ctf_fs_ds_file_info *ds_file_info; | |
336 | ||
337 | name = g_string_new(NULL); | |
338 | if (!name) { | |
339 | goto end; | |
340 | } | |
341 | ||
342 | /* | |
343 | * If there's more than one stream file in the stream file | |
344 | * group, the first (earliest) stream file's path is used as | |
345 | * the stream's unique name. | |
346 | */ | |
f6ccaed9 | 347 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
547eacf1 PP |
348 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); |
349 | g_string_assign(name, ds_file_info->path->str); | |
350 | ||
351 | end: | |
352 | return name; | |
353 | } | |
354 | ||
5b29e799 | 355 | static |
55314f2a JG |
356 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
357 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 358 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 359 | { |
4f1f88a6 | 360 | int ret = 0; |
4f1f88a6 PP |
361 | struct ctf_fs_port_data *port_data = NULL; |
362 | GString *port_name = NULL; | |
363 | ||
547eacf1 | 364 | port_name = get_stream_instance_unique_name(ds_file_group); |
4f1f88a6 PP |
365 | if (!port_name) { |
366 | goto error; | |
367 | } | |
368 | ||
55314f2a | 369 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
370 | |
371 | /* Create output port for this file */ | |
4f1f88a6 PP |
372 | port_data = g_new0(struct ctf_fs_port_data, 1); |
373 | if (!port_data) { | |
374 | goto error; | |
375 | } | |
376 | ||
5c563278 | 377 | port_data->ctf_fs = ctf_fs; |
94cf822e | 378 | port_data->ds_file_group = ds_file_group; |
d27a81b2 PP |
379 | ret = bt_self_component_source_add_output_port( |
380 | ctf_fs->self_comp, port_name->str, port_data, NULL); | |
147337a3 | 381 | if (ret) { |
4f1f88a6 PP |
382 | goto error; |
383 | } | |
384 | ||
385 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
386 | port_data = NULL; | |
387 | goto end; | |
388 | ||
389 | error: | |
390 | ret = -1; | |
391 | ||
392 | end: | |
393 | if (port_name) { | |
394 | g_string_free(port_name, TRUE); | |
395 | } | |
396 | ||
4f1f88a6 PP |
397 | port_data_destroy(port_data); |
398 | return ret; | |
5b29e799 JG |
399 | } |
400 | ||
401 | static | |
55314f2a JG |
402 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
403 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
404 | { |
405 | int ret = 0; | |
94cf822e PP |
406 | size_t i; |
407 | ||
408 | /* Create one output port for each stream file group */ | |
409 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
410 | struct ctf_fs_ds_file_group *ds_file_group = | |
411 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
412 | ||
55314f2a JG |
413 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
414 | ds_file_group); | |
94cf822e | 415 | if (ret) { |
55314f2a | 416 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
417 | goto end; |
418 | } | |
419 | } | |
420 | ||
421 | end: | |
422 | return ret; | |
423 | } | |
424 | ||
94cf822e PP |
425 | static |
426 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
427 | { | |
428 | if (!ds_file_info) { | |
429 | return; | |
430 | } | |
431 | ||
432 | if (ds_file_info->path) { | |
433 | g_string_free(ds_file_info->path, TRUE); | |
434 | } | |
435 | ||
97ade20b | 436 | ctf_fs_ds_index_destroy(ds_file_info->index); |
94cf822e PP |
437 | g_free(ds_file_info); |
438 | } | |
439 | ||
440 | static | |
441 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
61f59358 | 442 | int64_t begin_ns, struct ctf_fs_ds_index *index) |
94cf822e PP |
443 | { |
444 | struct ctf_fs_ds_file_info *ds_file_info; | |
445 | ||
446 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
447 | if (!ds_file_info) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | ds_file_info->path = g_string_new(path); | |
452 | if (!ds_file_info->path) { | |
453 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
454 | ds_file_info = NULL; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | ds_file_info->begin_ns = begin_ns; | |
97ade20b JG |
459 | ds_file_info->index = index; |
460 | index = NULL; | |
94cf822e PP |
461 | |
462 | end: | |
97ade20b | 463 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
464 | return ds_file_info; |
465 | } | |
466 | ||
467 | static | |
468 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
469 | { | |
470 | if (!ds_file_group) { | |
471 | return; | |
472 | } | |
473 | ||
474 | if (ds_file_group->ds_file_infos) { | |
475 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
476 | } | |
477 | ||
317e35ec PP |
478 | bt_stream_put_ref(ds_file_group->stream); |
479 | bt_stream_class_put_ref(ds_file_group->stream_class); | |
94cf822e PP |
480 | g_free(ds_file_group); |
481 | } | |
482 | ||
483 | static | |
484 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
485 | struct ctf_fs_trace *ctf_fs_trace, | |
b9879703 | 486 | bt_stream_class *stream_class, |
94cf822e PP |
487 | uint64_t stream_instance_id) |
488 | { | |
489 | struct ctf_fs_ds_file_group *ds_file_group; | |
490 | ||
94cf822e PP |
491 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
492 | if (!ds_file_group) { | |
493 | goto error; | |
494 | } | |
495 | ||
496 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
497 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
498 | if (!ds_file_group->ds_file_infos) { | |
499 | goto error; | |
500 | } | |
501 | ||
547eacf1 | 502 | ds_file_group->stream_id = stream_instance_id; |
f6ccaed9 | 503 | BT_ASSERT(stream_class); |
5e8988cb | 504 | ds_file_group->stream_class = stream_class; |
317e35ec | 505 | bt_stream_class_get_ref(ds_file_group->stream_class); |
94cf822e | 506 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
507 | goto end; |
508 | ||
509 | error: | |
510 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
511 | ds_file_group = NULL; | |
512 | ||
513 | end: | |
514 | return ds_file_group; | |
515 | } | |
516 | ||
8bf7105e MJ |
517 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
518 | static | |
519 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
520 | { | |
521 | size_t original_array_len = array->len; | |
522 | ||
523 | /* Allocate an unused element at the end of the array. */ | |
524 | g_ptr_array_add(array, NULL); | |
525 | ||
526 | /* If we are not inserting at the end, move the elements by one. */ | |
527 | if (pos < original_array_len) { | |
528 | memmove(&(array->pdata[pos + 1]), | |
529 | &(array->pdata[pos]), | |
530 | (original_array_len - pos) * sizeof(gpointer)); | |
531 | } | |
532 | ||
533 | /* Insert the value and bump the array len */ | |
534 | array->pdata[pos] = element; | |
535 | } | |
536 | ||
94cf822e PP |
537 | static |
538 | int ctf_fs_ds_file_group_add_ds_file_info( | |
539 | struct ctf_fs_ds_file_group *ds_file_group, | |
61f59358 | 540 | const char *path, int64_t begin_ns, |
97ade20b | 541 | struct ctf_fs_ds_index *index) |
94cf822e PP |
542 | { |
543 | struct ctf_fs_ds_file_info *ds_file_info; | |
544 | gint i = 0; | |
545 | int ret = 0; | |
546 | ||
97ade20b JG |
547 | /* Onwership of index is transferred. */ |
548 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index); | |
549 | index = NULL; | |
94cf822e PP |
550 | if (!ds_file_info) { |
551 | goto error; | |
552 | } | |
553 | ||
554 | /* Find a spot to insert this one */ | |
555 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
556 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
557 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
558 | ||
559 | if (begin_ns < other_ds_file_info->begin_ns) { | |
560 | break; | |
561 | } | |
562 | } | |
563 | ||
8bf7105e | 564 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); |
94cf822e PP |
565 | ds_file_info = NULL; |
566 | goto end; | |
567 | ||
568 | error: | |
569 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
97ade20b | 570 | ctf_fs_ds_index_destroy(index); |
94cf822e | 571 | ret = -1; |
94cf822e PP |
572 | end: |
573 | return ret; | |
574 | } | |
575 | ||
576 | static | |
577 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
351946b4 | 578 | const char *path) |
94cf822e | 579 | { |
b9879703 | 580 | bt_stream_class *stream_class = NULL; |
61f59358 PP |
581 | int64_t stream_instance_id = -1; |
582 | int64_t begin_ns = -1; | |
94cf822e PP |
583 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
584 | bool add_group = false; | |
585 | int ret; | |
586 | size_t i; | |
6de92955 | 587 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 588 | struct ctf_fs_ds_index *index = NULL; |
c14831f0 | 589 | struct bt_msg_iter *msg_iter = NULL; |
61f59358 | 590 | struct ctf_stream_class *sc = NULL; |
c14831f0 | 591 | struct bt_msg_iter_packet_properties props; |
94cf822e | 592 | |
c14831f0 | 593 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
6de92955 | 594 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
c14831f0 PP |
595 | if (!msg_iter) { |
596 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
6de92955 PP |
597 | goto error; |
598 | } | |
599 | ||
c14831f0 | 600 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
5c563278 | 601 | NULL, path); |
97ade20b JG |
602 | if (!ds_file) { |
603 | goto error; | |
604 | } | |
605 | ||
8f5d08f2 | 606 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 607 | if (ret) { |
55314f2a | 608 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
609 | path); |
610 | goto error; | |
611 | } | |
612 | ||
61f59358 PP |
613 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
614 | props.stream_class_id); | |
615 | BT_ASSERT(sc); | |
616 | stream_class = sc->ir_sc; | |
617 | BT_ASSERT(stream_class); | |
618 | stream_instance_id = props.data_stream_id; | |
619 | ||
620 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
621 | BT_ASSERT(sc->default_clock_class); | |
00d7a6f2 PP |
622 | ret = bt_util_clock_cycles_to_ns_from_origin( |
623 | props.snapshots.beginning_clock, | |
624 | sc->default_clock_class->frequency, | |
625 | sc->default_clock_class->offset_seconds, | |
626 | sc->default_clock_class->offset_cycles, &begin_ns); | |
61f59358 PP |
627 | if (ret) { |
628 | BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", | |
629 | path); | |
630 | goto error; | |
631 | } | |
94cf822e PP |
632 | } |
633 | ||
97ade20b JG |
634 | index = ctf_fs_ds_file_build_index(ds_file); |
635 | if (!index) { | |
636 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
637 | ds_file->file->path->str); | |
638 | } | |
639 | ||
61f59358 | 640 | if (begin_ns == -1) { |
94cf822e PP |
641 | /* |
642 | * No beggining timestamp to sort the stream files | |
643 | * within a stream file group, so consider that this | |
644 | * file must be the only one within its group. | |
645 | */ | |
61f59358 | 646 | stream_instance_id = -1; |
94cf822e PP |
647 | } |
648 | ||
61f59358 | 649 | if (stream_instance_id == -1) { |
94cf822e PP |
650 | /* |
651 | * No stream instance ID or no beginning timestamp: | |
652 | * create a unique stream file group for this stream | |
653 | * file because, even if there's a stream instance ID, | |
654 | * there's no timestamp to order the file within its | |
655 | * group. | |
656 | */ | |
94cf822e PP |
657 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
658 | stream_class, stream_instance_id); | |
659 | if (!ds_file_group) { | |
660 | goto error; | |
661 | } | |
662 | ||
663 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
547eacf1 | 664 | path, begin_ns, index); |
97ade20b JG |
665 | /* Ownership of index is transferred. */ |
666 | index = NULL; | |
94cf822e PP |
667 | if (ret) { |
668 | goto error; | |
669 | } | |
670 | ||
671 | add_group = true; | |
672 | goto end; | |
673 | } | |
674 | ||
61f59358 PP |
675 | BT_ASSERT(stream_instance_id != -1); |
676 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
677 | |
678 | /* Find an existing stream file group with this ID */ | |
679 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
680 | ds_file_group = g_ptr_array_index( |
681 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 682 | |
547eacf1 PP |
683 | if (ds_file_group->stream_class == stream_class && |
684 | ds_file_group->stream_id == | |
685 | stream_instance_id) { | |
94cf822e PP |
686 | break; |
687 | } | |
688 | ||
689 | ds_file_group = NULL; | |
690 | } | |
691 | ||
692 | if (!ds_file_group) { | |
693 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
694 | stream_class, stream_instance_id); | |
695 | if (!ds_file_group) { | |
696 | goto error; | |
697 | } | |
698 | ||
699 | add_group = true; | |
700 | } | |
701 | ||
547eacf1 PP |
702 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
703 | begin_ns, index); | |
97ade20b | 704 | index = NULL; |
94cf822e PP |
705 | if (ret) { |
706 | goto error; | |
707 | } | |
708 | ||
709 | goto end; | |
710 | ||
711 | error: | |
712 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
713 | ret = -1; | |
714 | ||
715 | end: | |
716 | if (add_group && ds_file_group) { | |
717 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
718 | } | |
547eacf1 | 719 | |
97ade20b | 720 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 721 | |
c14831f0 PP |
722 | if (msg_iter) { |
723 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
724 | } |
725 | ||
97ade20b | 726 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
727 | return ret; |
728 | } | |
729 | ||
730 | static | |
351946b4 | 731 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
732 | { |
733 | int ret = 0; | |
4f1f88a6 | 734 | const char *basename; |
e7a4393b | 735 | GError *error = NULL; |
4f1f88a6 | 736 | GDir *dir = NULL; |
547eacf1 | 737 | size_t i; |
e7a4393b | 738 | |
94cf822e | 739 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 740 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 741 | if (!dir) { |
55314f2a | 742 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 743 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 744 | error->code); |
e7a4393b JG |
745 | goto error; |
746 | } | |
747 | ||
4f1f88a6 | 748 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
749 | struct ctf_fs_file *file; |
750 | ||
4f1f88a6 | 751 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 752 | /* Ignore the metadata stream. */ |
3743a302 | 753 | BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 754 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
755 | continue; |
756 | } | |
757 | ||
4f1f88a6 | 758 | if (basename[0] == '.') { |
3743a302 | 759 | BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 760 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
761 | continue; |
762 | } | |
763 | ||
764 | /* Create the file. */ | |
55314f2a | 765 | file = ctf_fs_file_create(); |
e7a4393b | 766 | if (!file) { |
3743a302 | 767 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 768 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
769 | goto error; |
770 | } | |
771 | ||
772 | /* Create full path string. */ | |
3743a302 | 773 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 774 | ctf_fs_trace->path->str, basename); |
e7a4393b | 775 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 776 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 777 | file->path->str); |
e7a4393b | 778 | ctf_fs_file_destroy(file); |
4f1f88a6 | 779 | file = NULL; |
e7a4393b JG |
780 | continue; |
781 | } | |
782 | ||
55314f2a | 783 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 784 | if (ret) { |
55314f2a | 785 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
786 | goto error; |
787 | } | |
788 | ||
9fa0891a JG |
789 | if (file->size == 0) { |
790 | /* Skip empty stream. */ | |
55314f2a | 791 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
792 | ctf_fs_file_destroy(file); |
793 | continue; | |
794 | } | |
795 | ||
351946b4 | 796 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 797 | file->path->str); |
4f1f88a6 | 798 | if (ret) { |
89b08333 | 799 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 800 | file->path->str); |
94cf822e | 801 | ctf_fs_file_destroy(file); |
e7a4393b JG |
802 | goto error; |
803 | } | |
804 | ||
4f1f88a6 | 805 | ctf_fs_file_destroy(file); |
e7a4393b JG |
806 | } |
807 | ||
8f5d08f2 PP |
808 | if (!ctf_fs_trace->trace) { |
809 | goto end; | |
810 | } | |
811 | ||
547eacf1 PP |
812 | /* |
813 | * At this point, DS file groupes are created, but their | |
814 | * associated stream objects do not exist yet. This is because | |
815 | * we need to name the created stream object with the data | |
816 | * stream file's path. We have everything we need here to do | |
817 | * this. | |
818 | */ | |
819 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
820 | struct ctf_fs_ds_file_group *ds_file_group = | |
821 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
822 | GString *name = get_stream_instance_unique_name(ds_file_group); | |
823 | ||
824 | if (!name) { | |
825 | goto error; | |
826 | } | |
827 | ||
61f59358 | 828 | if (ds_file_group->stream_id == UINT64_C(-1)) { |
3dca2276 | 829 | /* No stream ID: use 0 */ |
dadf29b9 | 830 | ds_file_group->stream = bt_stream_create_with_id( |
61f59358 | 831 | ds_file_group->stream_class, |
3b4c8c43 | 832 | ctf_fs_trace->trace, |
3dca2276 PP |
833 | ctf_fs_trace->next_stream_id); |
834 | ctf_fs_trace->next_stream_id++; | |
547eacf1 PP |
835 | } else { |
836 | /* Specific stream ID */ | |
dadf29b9 | 837 | ds_file_group->stream = bt_stream_create_with_id( |
61f59358 | 838 | ds_file_group->stream_class, |
3b4c8c43 | 839 | ctf_fs_trace->trace, |
61f59358 | 840 | (uint64_t) ds_file_group->stream_id); |
547eacf1 PP |
841 | } |
842 | ||
7742909c | 843 | if (!ds_file_group->stream) { |
547eacf1 PP |
844 | BT_LOGE("Cannot create stream for DS file group: " |
845 | "addr=%p, stream-name=\"%s\"", | |
846 | ds_file_group, name->str); | |
61f59358 PP |
847 | g_string_free(name, TRUE); |
848 | goto error; | |
849 | } | |
850 | ||
dadf29b9 | 851 | ret = bt_stream_set_name(ds_file_group->stream, |
351946b4 | 852 | name->str); |
61f59358 PP |
853 | if (ret) { |
854 | BT_LOGE("Cannot set stream's name: " | |
855 | "addr=%p, stream-name=\"%s\"", | |
856 | ds_file_group->stream, name->str); | |
857 | g_string_free(name, TRUE); | |
547eacf1 PP |
858 | goto error; |
859 | } | |
61f59358 PP |
860 | |
861 | g_string_free(name, TRUE); | |
547eacf1 PP |
862 | } |
863 | ||
e7a4393b | 864 | goto end; |
4f1f88a6 | 865 | |
e7a4393b JG |
866 | error: |
867 | ret = -1; | |
4f1f88a6 | 868 | |
e7a4393b JG |
869 | end: |
870 | if (dir) { | |
871 | g_dir_close(dir); | |
872 | dir = NULL; | |
873 | } | |
4f1f88a6 | 874 | |
e7a4393b JG |
875 | if (error) { |
876 | g_error_free(error); | |
877 | } | |
5b29e799 | 878 | |
91457551 | 879 | return ret; |
5b29e799 JG |
880 | } |
881 | ||
3b4c8c43 | 882 | static |
b9879703 | 883 | int set_trace_name(bt_trace *trace, const char *name_suffix) |
3b4c8c43 PP |
884 | { |
885 | int ret = 0; | |
b9879703 PP |
886 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
887 | const bt_value *val; | |
3b4c8c43 PP |
888 | GString *name; |
889 | ||
890 | name = g_string_new(NULL); | |
891 | if (!name) { | |
892 | BT_LOGE_STR("Failed to allocate a GString."); | |
893 | ret = -1; | |
894 | goto end; | |
895 | } | |
896 | ||
897 | /* | |
898 | * Check if we have a trace environment string value named `hostname`. | |
899 | * If so, use it as the trace name's prefix. | |
900 | */ | |
901 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
902 | tc, "hostname"); | |
903 | if (val && bt_value_is_string(val)) { | |
904 | g_string_append(name, bt_value_string_get(val)); | |
905 | ||
906 | if (name_suffix) { | |
907 | g_string_append_c(name, G_DIR_SEPARATOR); | |
908 | } | |
909 | } | |
910 | ||
911 | if (name_suffix) { | |
912 | g_string_append(name, name_suffix); | |
913 | } | |
914 | ||
915 | ret = bt_trace_set_name(trace, name->str); | |
916 | if (ret) { | |
917 | goto end; | |
918 | } | |
919 | ||
920 | goto end; | |
921 | ||
922 | end: | |
923 | if (name) { | |
924 | g_string_free(name, TRUE); | |
925 | } | |
926 | ||
927 | return ret; | |
928 | } | |
929 | ||
97ade20b | 930 | BT_HIDDEN |
8f5d08f2 PP |
931 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component_source *self_comp, |
932 | const char *path, const char *name, | |
351946b4 | 933 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
934 | { |
935 | struct ctf_fs_trace *ctf_fs_trace; | |
936 | int ret; | |
937 | ||
938 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
939 | if (!ctf_fs_trace) { | |
940 | goto end; | |
941 | } | |
942 | ||
1a9f7075 PP |
943 | ctf_fs_trace->path = g_string_new(path); |
944 | if (!ctf_fs_trace->path) { | |
945 | goto error; | |
946 | } | |
947 | ||
948 | ctf_fs_trace->name = g_string_new(name); | |
949 | if (!ctf_fs_trace->name) { | |
950 | goto error; | |
951 | } | |
952 | ||
953 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
954 | if (!ctf_fs_trace->metadata) { | |
955 | goto error; | |
956 | } | |
957 | ||
61f59358 | 958 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
959 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
960 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
961 | if (!ctf_fs_trace->ds_file_groups) { | |
962 | goto error; | |
963 | } | |
964 | ||
8f5d08f2 PP |
965 | ret = ctf_fs_metadata_set_trace_class(self_comp, |
966 | ctf_fs_trace, metadata_config); | |
3b4c8c43 PP |
967 | if (ret) { |
968 | goto error; | |
969 | } | |
970 | ||
8f5d08f2 PP |
971 | if (ctf_fs_trace->metadata->trace_class) { |
972 | ctf_fs_trace->trace = | |
973 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
974 | if (!ctf_fs_trace->trace) { | |
975 | goto error; | |
976 | } | |
3b4c8c43 PP |
977 | } |
978 | ||
8f5d08f2 PP |
979 | if (ctf_fs_trace->trace) { |
980 | ret = set_trace_name(ctf_fs_trace->trace, name); | |
981 | if (ret) { | |
982 | goto error; | |
983 | } | |
1a9f7075 PP |
984 | } |
985 | ||
351946b4 | 986 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
987 | if (ret) { |
988 | goto error; | |
989 | } | |
990 | ||
27d1a78b PP |
991 | /* |
992 | * create_ds_file_groups() created all the streams that this | |
993 | * trace needs. There won't be any more. Therefore it is safe to | |
994 | * make this trace static. | |
995 | */ | |
8f5d08f2 PP |
996 | if (ctf_fs_trace->trace) { |
997 | (void) bt_trace_make_static(ctf_fs_trace->trace); | |
998 | } | |
27d1a78b | 999 | |
1a9f7075 PP |
1000 | goto end; |
1001 | ||
1002 | error: | |
1003 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1004 | ctf_fs_trace = NULL; | |
61f59358 | 1005 | |
1a9f7075 PP |
1006 | end: |
1007 | return ctf_fs_trace; | |
1008 | } | |
1009 | ||
1010 | static | |
1011 | int path_is_ctf_trace(const char *path) | |
1012 | { | |
1013 | GString *metadata_path = g_string_new(NULL); | |
1014 | int ret = 0; | |
1015 | ||
1016 | if (!metadata_path) { | |
1017 | ret = -1; | |
1018 | goto end; | |
1019 | } | |
1020 | ||
3743a302 | 1021 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1022 | |
1023 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1024 | ret = 1; | |
1025 | goto end; | |
1026 | } | |
1027 | ||
1028 | end: | |
1029 | g_string_free(metadata_path, TRUE); | |
1030 | return ret; | |
1031 | } | |
1032 | ||
1033 | static | |
55314f2a | 1034 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1035 | { |
4bd72b60 | 1036 | GString *norm_path = NULL; |
1a9f7075 | 1037 | int ret = 0; |
1a9f7075 | 1038 | |
4bd72b60 PP |
1039 | norm_path = bt_common_normalize_path(path, NULL); |
1040 | if (!norm_path) { | |
55314f2a | 1041 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1042 | ret = -1; |
1043 | goto end; | |
1044 | } | |
1045 | ||
3743a302 | 1046 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1047 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1048 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1049 | ret = -1; |
1050 | goto end; | |
1051 | } | |
1052 | ||
4bd72b60 | 1053 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1054 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1055 | norm_path = NULL; |
1a9f7075 PP |
1056 | |
1057 | end: | |
4bd72b60 PP |
1058 | if (norm_path) { |
1059 | g_string_free(norm_path, TRUE); | |
1060 | } | |
1061 | ||
1a9f7075 PP |
1062 | return ret; |
1063 | } | |
1064 | ||
55314f2a JG |
1065 | BT_HIDDEN |
1066 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
1067 | { |
1068 | int ret; | |
1069 | GError *error = NULL; | |
1070 | GDir *dir = NULL; | |
1071 | const char *basename = NULL; | |
1072 | ||
1073 | /* Check if the starting path is a CTF trace itself */ | |
1074 | ret = path_is_ctf_trace(start_path); | |
1075 | if (ret < 0) { | |
1076 | goto end; | |
1077 | } | |
1078 | ||
1079 | if (ret) { | |
1080 | /* | |
4bd72b60 PP |
1081 | * Stop recursion: a CTF trace cannot contain another |
1082 | * CTF trace. | |
1a9f7075 | 1083 | */ |
55314f2a | 1084 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1085 | goto end; |
1086 | } | |
1087 | ||
1088 | /* Look for subdirectories */ | |
1089 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1090 | /* Starting path is not a directory: end of recursion */ | |
1091 | goto end; | |
1092 | } | |
1093 | ||
1094 | dir = g_dir_open(start_path, 0, &error); | |
1095 | if (!dir) { | |
1096 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1097 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1098 | start_path, error->message, error->code); |
1099 | goto end; | |
1100 | } | |
1101 | ||
55314f2a | 1102 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1103 | start_path, error->message, error->code); |
1104 | ret = -1; | |
1105 | goto end; | |
1106 | } | |
1107 | ||
1108 | while ((basename = g_dir_read_name(dir))) { | |
1109 | GString *sub_path = g_string_new(NULL); | |
1110 | ||
1111 | if (!sub_path) { | |
1112 | ret = -1; | |
1113 | goto end; | |
1114 | } | |
1115 | ||
3743a302 | 1116 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1117 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1118 | g_string_free(sub_path, TRUE); |
1119 | if (ret) { | |
1120 | goto end; | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | end: | |
1125 | if (dir) { | |
1126 | g_dir_close(dir); | |
1127 | } | |
1128 | ||
1129 | if (error) { | |
1130 | g_error_free(error); | |
1131 | } | |
1132 | ||
1133 | return ret; | |
1134 | } | |
1135 | ||
55314f2a JG |
1136 | BT_HIDDEN |
1137 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1138 | GList *trace_names = NULL; |
1a9f7075 | 1139 | GList *node; |
4bd72b60 PP |
1140 | const char *last_sep; |
1141 | size_t base_dist; | |
1a9f7075 PP |
1142 | |
1143 | /* | |
4bd72b60 PP |
1144 | * At this point we know that all the trace paths are |
1145 | * normalized, and so is the base path. This means that | |
1146 | * they are absolute and they don't end with a separator. | |
1147 | * We can simply find the location of the last separator | |
1148 | * in the base path, which gives us the name of the actual | |
1149 | * directory to look into, and use this location as the | |
1150 | * start of each trace name within each trace path. | |
1151 | * | |
1152 | * For example: | |
1153 | * | |
1154 | * Base path: /home/user/my-traces/some-trace | |
1155 | * Trace paths: | |
1156 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1157 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1158 | * - /home/user/my-traces/some-trace/host2/trace | |
1159 | * - /home/user/my-traces/some-trace/other-trace | |
1160 | * | |
1161 | * In this case the trace names are: | |
1162 | * | |
1163 | * - some-trace/host1/trace1 | |
1164 | * - some-trace/host1/trace2 | |
1165 | * - some-trace/host2/trace | |
1166 | * - some-trace/other-trace | |
1a9f7075 | 1167 | */ |
4bd72b60 | 1168 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1169 | |
4bd72b60 | 1170 | /* We know there's at least one separator */ |
f6ccaed9 | 1171 | BT_ASSERT(last_sep); |
1a9f7075 | 1172 | |
4bd72b60 PP |
1173 | /* Distance to base */ |
1174 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1175 | |
1176 | /* Create the trace names */ | |
1177 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1178 | GString *trace_name = g_string_new(NULL); | |
1179 | GString *trace_path = node->data; | |
1180 | ||
f6ccaed9 | 1181 | BT_ASSERT(trace_name); |
4bd72b60 | 1182 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1183 | trace_names = g_list_append(trace_names, trace_name); |
1184 | } | |
1185 | ||
1186 | return trace_names; | |
1187 | } | |
1188 | ||
1189 | static | |
8f5d08f2 PP |
1190 | int create_ctf_fs_traces(bt_self_component_source *self_comp, |
1191 | struct ctf_fs_component *ctf_fs, | |
1a9f7075 PP |
1192 | const char *path_param) |
1193 | { | |
1194 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1195 | int ret = 0; | |
4bd72b60 | 1196 | GString *norm_path = NULL; |
1a9f7075 PP |
1197 | GList *trace_paths = NULL; |
1198 | GList *trace_names = NULL; | |
1199 | GList *tp_node; | |
1200 | GList *tn_node; | |
1201 | ||
4bd72b60 PP |
1202 | norm_path = bt_common_normalize_path(path_param, NULL); |
1203 | if (!norm_path) { | |
55314f2a | 1204 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1205 | path_param); |
1206 | goto error; | |
1207 | } | |
1208 | ||
55314f2a | 1209 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1210 | if (ret) { |
1211 | goto error; | |
1212 | } | |
1213 | ||
1214 | if (!trace_paths) { | |
55314f2a | 1215 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1216 | path_param); |
1217 | goto error; | |
1218 | } | |
1219 | ||
55314f2a | 1220 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1221 | if (!trace_names) { |
55314f2a | 1222 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1223 | goto error; |
1224 | } | |
1225 | ||
1226 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1227 | tp_node = g_list_next(tp_node), | |
1228 | tn_node = g_list_next(tn_node)) { | |
1229 | GString *trace_path = tp_node->data; | |
1230 | GString *trace_name = tn_node->data; | |
1231 | ||
8f5d08f2 PP |
1232 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1233 | trace_path->str, trace_name->str, | |
1234 | &ctf_fs->metadata_config); | |
1a9f7075 | 1235 | if (!ctf_fs_trace) { |
55314f2a | 1236 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1237 | trace_path->str); |
1238 | goto error; | |
1239 | } | |
52c5fe74 | 1240 | |
55314f2a JG |
1241 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1242 | if (ret) { | |
1243 | goto error; | |
1244 | } | |
1245 | ||
52c5fe74 PP |
1246 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1247 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1248 | } |
1249 | ||
1a9f7075 PP |
1250 | goto end; |
1251 | ||
1252 | error: | |
1253 | ret = -1; | |
1254 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1255 | ||
1256 | end: | |
1257 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1258 | if (tp_node->data) { | |
1259 | g_string_free(tp_node->data, TRUE); | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1264 | if (tn_node->data) { | |
1265 | g_string_free(tn_node->data, TRUE); | |
1266 | } | |
1267 | } | |
1268 | ||
1269 | if (trace_paths) { | |
1270 | g_list_free(trace_paths); | |
1271 | } | |
1272 | ||
1273 | if (trace_names) { | |
1274 | g_list_free(trace_names); | |
1275 | } | |
1276 | ||
4bd72b60 PP |
1277 | if (norm_path) { |
1278 | g_string_free(norm_path, TRUE); | |
1279 | } | |
1280 | ||
1a9f7075 PP |
1281 | return ret; |
1282 | } | |
1283 | ||
5b29e799 | 1284 | static |
d27a81b2 | 1285 | struct ctf_fs_component *ctf_fs_create( |
b9879703 PP |
1286 | bt_self_component_source *self_comp, |
1287 | const bt_value *params) | |
56a1cced JG |
1288 | { |
1289 | struct ctf_fs_component *ctf_fs; | |
b9879703 | 1290 | const bt_value *value = NULL; |
1a9f7075 | 1291 | const char *path_param; |
56a1cced JG |
1292 | |
1293 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1294 | if (!ctf_fs) { | |
1295 | goto end; | |
1296 | } | |
1297 | ||
d27a81b2 | 1298 | bt_self_component_set_data( |
27c0f01f | 1299 | bt_self_component_source_as_self_component(self_comp), |
d27a81b2 | 1300 | ctf_fs); |
1a9f7075 | 1301 | |
4f1f88a6 PP |
1302 | /* |
1303 | * We don't need to get a new reference here because as long as | |
1304 | * our private ctf_fs_component object exists, the containing | |
1305 | * private component should also exist. | |
1306 | */ | |
d27a81b2 | 1307 | ctf_fs->self_comp = self_comp; |
82fa4539 | 1308 | value = bt_value_map_borrow_entry_value_const(params, "path"); |
f6ccaed9 | 1309 | if (value && !bt_value_is_string(value)) { |
56a1cced JG |
1310 | goto error; |
1311 | } | |
1312 | ||
605c62ba | 1313 | path_param = bt_value_string_get(value); |
82fa4539 PP |
1314 | value = bt_value_map_borrow_entry_value_const(params, |
1315 | "clock-class-offset-s"); | |
92540773 | 1316 | if (value) { |
a2a54545 PP |
1317 | if (!bt_value_is_integer(value)) { |
1318 | BT_LOGE("clock-class-offset-s should be an integer"); | |
1319 | goto error; | |
1320 | } | |
605c62ba | 1321 | ctf_fs->metadata_config.clock_class_offset_s = bt_value_integer_get(value); |
a2a54545 | 1322 | } |
92540773 | 1323 | |
82fa4539 PP |
1324 | value = bt_value_map_borrow_entry_value_const(params, |
1325 | "clock-class-offset-ns"); | |
a2a54545 | 1326 | if (value) { |
92540773 | 1327 | if (!bt_value_is_integer(value)) { |
a2a54545 | 1328 | BT_LOGE("clock-class-offset-ns should be an integer"); |
92540773 JD |
1329 | goto error; |
1330 | } | |
605c62ba | 1331 | ctf_fs->metadata_config.clock_class_offset_ns = bt_value_integer_get(value); |
92540773 JD |
1332 | } |
1333 | ||
1a9f7075 PP |
1334 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1335 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1336 | goto error; |
1337 | } | |
1338 | ||
97ade20b | 1339 | ctf_fs->traces = g_ptr_array_new_with_free_func( |
7f57aa08 | 1340 | ctf_fs_trace_destroy_notifier); |
1a9f7075 | 1341 | if (!ctf_fs->traces) { |
599faa1c PP |
1342 | goto error; |
1343 | } | |
1344 | ||
8f5d08f2 | 1345 | if (create_ctf_fs_traces(self_comp, ctf_fs, path_param)) { |
4f1f88a6 PP |
1346 | goto error; |
1347 | } | |
1348 | ||
1ef09eb5 JG |
1349 | goto end; |
1350 | ||
56a1cced | 1351 | error: |
1a9f7075 | 1352 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1353 | ctf_fs = NULL; |
d27a81b2 | 1354 | bt_self_component_set_data( |
27c0f01f | 1355 | bt_self_component_source_as_self_component(self_comp), |
d27a81b2 | 1356 | NULL); |
1a9f7075 | 1357 | |
1ef09eb5 | 1358 | end: |
56a1cced JG |
1359 | return ctf_fs; |
1360 | } | |
1361 | ||
ea0b4b9e | 1362 | BT_HIDDEN |
b7c5b62e | 1363 | bt_self_component_status ctf_fs_init( |
b9879703 PP |
1364 | bt_self_component_source *self_comp, |
1365 | const bt_value *params, UNUSED_VAR void *init_method_data) | |
ea0b4b9e JG |
1366 | { |
1367 | struct ctf_fs_component *ctf_fs; | |
b7c5b62e | 1368 | bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK; |
ea0b4b9e | 1369 | |
d27a81b2 | 1370 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1371 | if (!ctf_fs) { |
d27a81b2 | 1372 | ret = BT_SELF_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1373 | } |
4c1456f0 | 1374 | |
ea0b4b9e JG |
1375 | return ret; |
1376 | } | |
33f93973 PP |
1377 | |
1378 | BT_HIDDEN | |
b7c5b62e | 1379 | bt_query_status ctf_fs_query( |
b9879703 PP |
1380 | bt_self_component_class_source *comp_class, |
1381 | const bt_query_executor *query_exec, | |
1382 | const char *object, const bt_value *params, | |
1383 | const bt_value **result) | |
33f93973 | 1384 | { |
b7c5b62e | 1385 | bt_query_status status = BT_QUERY_STATUS_OK; |
33f93973 | 1386 | |
04c0ba87 | 1387 | if (!strcmp(object, "metadata-info")) { |
d27a81b2 | 1388 | status = metadata_info_query(comp_class, params, result); |
97ade20b | 1389 | } else if (!strcmp(object, "trace-info")) { |
d27a81b2 | 1390 | status = trace_info_query(comp_class, params, result); |
33f93973 | 1391 | } else { |
55314f2a | 1392 | BT_LOGE("Unknown query object `%s`", object); |
d27a81b2 | 1393 | status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1394 | goto end; |
33f93973 | 1395 | } |
33f93973 | 1396 | end: |
d27a81b2 | 1397 | return status; |
33f93973 | 1398 | } |