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" |
6de92955 | 40 | #include "../common/notif-iter/notif-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 PP |
47 | static |
48 | int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_iter_data) | |
49 | { | |
50 | struct ctf_fs_ds_file_info *ds_file_info; | |
51 | int ret = 0; | |
52 | ||
f6ccaed9 | 53 | BT_ASSERT(notif_iter_data->ds_file_info_index < |
94cf822e PP |
54 | notif_iter_data->ds_file_group->ds_file_infos->len); |
55 | ds_file_info = g_ptr_array_index( | |
56 | notif_iter_data->ds_file_group->ds_file_infos, | |
57 | notif_iter_data->ds_file_info_index); | |
58 | ||
59 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
60 | notif_iter_data->ds_file = ctf_fs_ds_file_create( | |
61 | notif_iter_data->ds_file_group->ctf_fs_trace, | |
f0010051 | 62 | notif_iter_data->pc_notif_iter, |
6de92955 | 63 | notif_iter_data->notif_iter, |
94cf822e | 64 | notif_iter_data->ds_file_group->stream, |
97ade20b | 65 | ds_file_info->path->str); |
94cf822e PP |
66 | if (!notif_iter_data->ds_file) { |
67 | ret = -1; | |
68 | } | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
73 | static | |
74 | void ctf_fs_notif_iter_data_destroy( | |
75 | struct ctf_fs_notif_iter_data *notif_iter_data) | |
76 | { | |
77 | if (!notif_iter_data) { | |
78 | return; | |
79 | } | |
80 | ||
81 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
6de92955 PP |
82 | |
83 | if (notif_iter_data->notif_iter) { | |
50842bdc | 84 | bt_notif_iter_destroy(notif_iter_data->notif_iter); |
6de92955 PP |
85 | } |
86 | ||
94cf822e PP |
87 | g_free(notif_iter_data); |
88 | } | |
89 | ||
d4393e08 PP |
90 | static |
91 | enum bt_notification_iterator_status ctf_fs_iterator_next_one( | |
92 | struct ctf_fs_notif_iter_data *notif_iter_data, | |
93 | struct bt_notification **notif) | |
ea0b4b9e | 94 | { |
d4393e08 | 95 | enum bt_notification_iterator_status status; |
94cf822e PP |
96 | int ret; |
97 | ||
f6ccaed9 | 98 | BT_ASSERT(notif_iter_data->ds_file); |
d4393e08 | 99 | status = ctf_fs_ds_file_next(notif_iter_data->ds_file, notif); |
f42867e2 | 100 | |
d4393e08 PP |
101 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK && |
102 | bt_notification_get_type(*notif) == | |
f42867e2 PP |
103 | BT_NOTIFICATION_TYPE_STREAM_BEGIN) { |
104 | if (notif_iter_data->skip_stream_begin_notifs) { | |
105 | /* | |
106 | * We already emitted a | |
107 | * BT_NOTIFICATION_TYPE_STREAM_BEGIN | |
108 | * notification: skip this one, get a new one. | |
109 | */ | |
d4393e08 PP |
110 | BT_PUT(*notif); |
111 | status = ctf_fs_ds_file_next(notif_iter_data->ds_file, | |
112 | notif); | |
113 | BT_ASSERT(status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
f42867e2 PP |
114 | goto end; |
115 | } else { | |
116 | /* | |
117 | * First BT_NOTIFICATION_TYPE_STREAM_BEGIN | |
118 | * notification: skip all following. | |
119 | */ | |
120 | notif_iter_data->skip_stream_begin_notifs = true; | |
121 | goto end; | |
122 | } | |
123 | } | |
124 | ||
d4393e08 PP |
125 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK && |
126 | bt_notification_get_type(*notif) == | |
f42867e2 | 127 | BT_NOTIFICATION_TYPE_STREAM_END) { |
94cf822e PP |
128 | notif_iter_data->ds_file_info_index++; |
129 | ||
130 | if (notif_iter_data->ds_file_info_index == | |
131 | notif_iter_data->ds_file_group->ds_file_infos->len) { | |
132 | /* | |
133 | * No more stream files to read: we reached the | |
f42867e2 PP |
134 | * real end. Emit this |
135 | * BT_NOTIFICATION_TYPE_STREAM_END notification. | |
136 | * The next time ctf_fs_iterator_next() is | |
137 | * called for this notification iterator, | |
138 | * ctf_fs_ds_file_next() will return | |
139 | * BT_NOTIFICATION_ITERATOR_STATUS_END(). | |
94cf822e PP |
140 | */ |
141 | goto end; | |
142 | } | |
143 | ||
d4393e08 | 144 | BT_PUT(*notif); |
f42867e2 PP |
145 | bt_notif_iter_reset(notif_iter_data->notif_iter); |
146 | ||
94cf822e PP |
147 | /* |
148 | * Open and start reading the next stream file within | |
149 | * our stream file group. | |
150 | */ | |
151 | ret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
152 | if (ret) { | |
d4393e08 | 153 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; |
94cf822e PP |
154 | goto end; |
155 | } | |
156 | ||
d4393e08 | 157 | status = ctf_fs_ds_file_next(notif_iter_data->ds_file, notif); |
94cf822e PP |
158 | |
159 | /* | |
f42867e2 PP |
160 | * If we get a notification, we expect to get a |
161 | * BT_NOTIFICATION_TYPE_STREAM_BEGIN notification | |
162 | * because the iterator's state machine emits one before | |
163 | * even requesting the first block of data from the | |
164 | * medium. Skip this notification because we're not | |
165 | * really starting a new stream here, and try getting a | |
166 | * new notification (which, if it works, is a | |
167 | * BT_NOTIFICATION_TYPE_PACKET_BEGIN one). We're sure to | |
168 | * get at least one pair of | |
169 | * BT_NOTIFICATION_TYPE_PACKET_BEGIN and | |
170 | * BT_NOTIFICATION_TYPE_PACKET_END notifications in the | |
171 | * case of a single, empty packet. We know there's at | |
172 | * least one packet because the stream file group does | |
173 | * not contain empty stream files. | |
94cf822e | 174 | */ |
f42867e2 PP |
175 | BT_ASSERT(notif_iter_data->skip_stream_begin_notifs); |
176 | ||
d4393e08 PP |
177 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { |
178 | BT_ASSERT(bt_notification_get_type(*notif) == | |
f42867e2 | 179 | BT_NOTIFICATION_TYPE_STREAM_BEGIN); |
d4393e08 PP |
180 | BT_PUT(*notif); |
181 | status = ctf_fs_ds_file_next(notif_iter_data->ds_file, | |
182 | notif); | |
183 | BT_ASSERT(status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
f42867e2 | 184 | } |
94cf822e | 185 | } |
d01e0f33 | 186 | |
94cf822e | 187 | end: |
d4393e08 PP |
188 | return status; |
189 | } | |
190 | ||
191 | BT_HIDDEN | |
192 | enum bt_notification_iterator_status ctf_fs_iterator_next( | |
193 | struct bt_private_connection_private_notification_iterator *iterator, | |
194 | bt_notification_array notifs, uint64_t capacity, | |
195 | uint64_t *count) | |
196 | { | |
197 | enum bt_notification_iterator_status status = | |
198 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
199 | struct ctf_fs_notif_iter_data *notif_iter_data = | |
200 | bt_private_connection_private_notification_iterator_get_user_data(iterator); | |
201 | uint64_t i = 0; | |
202 | ||
203 | while (i < capacity && status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
204 | status = ctf_fs_iterator_next_one(notif_iter_data, ¬ifs[i]); | |
205 | if (status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
206 | i++; | |
207 | } | |
208 | } | |
209 | ||
210 | if (i > 0) { | |
211 | /* | |
212 | * Even if ctf_fs_iterator_next_one() returned something | |
213 | * else than BT_NOTIFICATION_ITERATOR_STATUS_OK, we | |
214 | * accumulated notification objects in the output | |
215 | * notification array, so we need to return | |
216 | * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are | |
217 | * transfered to downstream. This other status occurs | |
218 | * again the next time muxer_notif_iter_do_next() is | |
219 | * called, possibly without any accumulated | |
220 | * notification, in which case we'll return it. | |
221 | */ | |
222 | *count = i; | |
223 | status = BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
224 | } | |
225 | ||
226 | return status; | |
ea0b4b9e | 227 | } |
bfd20a42 | 228 | |
90157d89 | 229 | void ctf_fs_iterator_finalize(struct bt_private_connection_private_notification_iterator *it) |
760051fa | 230 | { |
94cf822e | 231 | void *notif_iter_data = |
90157d89 | 232 | bt_private_connection_private_notification_iterator_get_user_data(it); |
760051fa | 233 | |
94cf822e | 234 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
235 | } |
236 | ||
4f1f88a6 | 237 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
90157d89 | 238 | struct bt_private_connection_private_notification_iterator *it, |
4f1f88a6 | 239 | struct bt_private_port *port) |
4c1456f0 | 240 | { |
4f1f88a6 | 241 | struct ctf_fs_port_data *port_data; |
94cf822e | 242 | struct ctf_fs_notif_iter_data *notif_iter_data = NULL; |
4f1f88a6 PP |
243 | enum bt_notification_iterator_status ret = |
244 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
94cf822e | 245 | int iret; |
760051fa | 246 | |
4f1f88a6 PP |
247 | port_data = bt_private_port_get_user_data(port); |
248 | if (!port_data) { | |
fe8ad2b6 | 249 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
250 | goto error; |
251 | } | |
5b29e799 | 252 | |
94cf822e PP |
253 | notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1); |
254 | if (!notif_iter_data) { | |
255 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
256 | goto error; | |
257 | } | |
258 | ||
f0010051 | 259 | notif_iter_data->pc_notif_iter = it; |
50842bdc | 260 | notif_iter_data->notif_iter = bt_notif_iter_create( |
44c440bc | 261 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
6de92955 PP |
262 | bt_common_get_page_size() * 8, |
263 | ctf_fs_ds_file_medops, NULL); | |
264 | if (!notif_iter_data->notif_iter) { | |
265 | BT_LOGE_STR("Cannot create a CTF notification iterator."); | |
266 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
267 | goto error; | |
268 | } | |
269 | ||
94cf822e PP |
270 | notif_iter_data->ds_file_group = port_data->ds_file_group; |
271 | iret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
272 | if (iret) { | |
273 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
4f1f88a6 | 274 | goto error; |
760051fa JG |
275 | } |
276 | ||
90157d89 | 277 | ret = bt_private_connection_private_notification_iterator_set_user_data(it, notif_iter_data); |
7401e2d1 | 278 | if (ret != BT_NOTIFICATION_ITERATOR_STATUS_OK) { |
4f1f88a6 | 279 | goto error; |
760051fa JG |
280 | } |
281 | ||
94cf822e | 282 | notif_iter_data = NULL; |
4f1f88a6 | 283 | goto end; |
5b29e799 | 284 | |
4f1f88a6 | 285 | error: |
90157d89 | 286 | (void) bt_private_connection_private_notification_iterator_set_user_data(it, NULL); |
4f1f88a6 | 287 | |
760051fa | 288 | end: |
94cf822e | 289 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
290 | return ret; |
291 | } | |
292 | ||
760051fa | 293 | static |
1a9f7075 | 294 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 295 | { |
4f1f88a6 | 296 | if (!ctf_fs) { |
8fa760ba JG |
297 | return; |
298 | } | |
4f1f88a6 | 299 | |
1a9f7075 PP |
300 | if (ctf_fs->traces) { |
301 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 302 | } |
4f1f88a6 PP |
303 | |
304 | if (ctf_fs->port_data) { | |
305 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 306 | } |
760051fa | 307 | |
1a9f7075 PP |
308 | g_free(ctf_fs); |
309 | } | |
310 | ||
97ade20b JG |
311 | BT_HIDDEN |
312 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) | |
1a9f7075 | 313 | { |
1a9f7075 PP |
314 | if (!ctf_fs_trace) { |
315 | return; | |
316 | } | |
317 | ||
94cf822e PP |
318 | if (ctf_fs_trace->ds_file_groups) { |
319 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
320 | } | |
321 | ||
1a9f7075 PP |
322 | if (ctf_fs_trace->path) { |
323 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 324 | } |
760051fa | 325 | |
1a9f7075 PP |
326 | if (ctf_fs_trace->name) { |
327 | g_string_free(ctf_fs_trace->name, TRUE); | |
328 | } | |
329 | ||
330 | if (ctf_fs_trace->metadata) { | |
331 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
332 | g_free(ctf_fs_trace->metadata); | |
333 | } | |
334 | ||
1a9f7075 | 335 | g_free(ctf_fs_trace); |
4c1456f0 JG |
336 | } |
337 | ||
97ade20b JG |
338 | static |
339 | void ctf_fs_trace_destroy_notifier(void *data) | |
340 | { | |
341 | struct ctf_fs_trace *trace = data; | |
342 | ctf_fs_trace_destroy(trace); | |
343 | } | |
344 | ||
4f1f88a6 | 345 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 346 | { |
4f1f88a6 PP |
347 | void *data = bt_private_component_get_user_data(component); |
348 | ||
1a9f7075 | 349 | ctf_fs_destroy(data); |
a4792757 JG |
350 | } |
351 | ||
e7a4393b | 352 | static |
4f1f88a6 PP |
353 | void port_data_destroy(void *data) { |
354 | struct ctf_fs_port_data *port_data = data; | |
355 | ||
356 | if (!port_data) { | |
357 | return; | |
358 | } | |
359 | ||
4f1f88a6 | 360 | g_free(port_data); |
5b29e799 JG |
361 | } |
362 | ||
547eacf1 PP |
363 | static |
364 | GString *get_stream_instance_unique_name( | |
365 | struct ctf_fs_ds_file_group *ds_file_group) | |
366 | { | |
367 | GString *name; | |
368 | struct ctf_fs_ds_file_info *ds_file_info; | |
369 | ||
370 | name = g_string_new(NULL); | |
371 | if (!name) { | |
372 | goto end; | |
373 | } | |
374 | ||
375 | /* | |
376 | * If there's more than one stream file in the stream file | |
377 | * group, the first (earliest) stream file's path is used as | |
378 | * the stream's unique name. | |
379 | */ | |
f6ccaed9 | 380 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
547eacf1 PP |
381 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); |
382 | g_string_assign(name, ds_file_info->path->str); | |
383 | ||
384 | end: | |
385 | return name; | |
386 | } | |
387 | ||
5b29e799 | 388 | static |
55314f2a JG |
389 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
390 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 391 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 392 | { |
4f1f88a6 | 393 | int ret = 0; |
4f1f88a6 PP |
394 | struct ctf_fs_port_data *port_data = NULL; |
395 | GString *port_name = NULL; | |
396 | ||
547eacf1 | 397 | port_name = get_stream_instance_unique_name(ds_file_group); |
4f1f88a6 PP |
398 | if (!port_name) { |
399 | goto error; | |
400 | } | |
401 | ||
55314f2a | 402 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
403 | |
404 | /* Create output port for this file */ | |
4f1f88a6 PP |
405 | port_data = g_new0(struct ctf_fs_port_data, 1); |
406 | if (!port_data) { | |
407 | goto error; | |
408 | } | |
409 | ||
5c563278 | 410 | port_data->ctf_fs = ctf_fs; |
94cf822e | 411 | port_data->ds_file_group = ds_file_group; |
147337a3 PP |
412 | ret = bt_private_component_source_add_output_private_port( |
413 | ctf_fs->priv_comp, port_name->str, port_data, NULL); | |
414 | if (ret) { | |
4f1f88a6 PP |
415 | goto error; |
416 | } | |
417 | ||
418 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
419 | port_data = NULL; | |
420 | goto end; | |
421 | ||
422 | error: | |
423 | ret = -1; | |
424 | ||
425 | end: | |
426 | if (port_name) { | |
427 | g_string_free(port_name, TRUE); | |
428 | } | |
429 | ||
4f1f88a6 PP |
430 | port_data_destroy(port_data); |
431 | return ret; | |
5b29e799 JG |
432 | } |
433 | ||
434 | static | |
55314f2a JG |
435 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
436 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
437 | { |
438 | int ret = 0; | |
94cf822e PP |
439 | size_t i; |
440 | ||
441 | /* Create one output port for each stream file group */ | |
442 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
443 | struct ctf_fs_ds_file_group *ds_file_group = | |
444 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
445 | ||
55314f2a JG |
446 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
447 | ds_file_group); | |
94cf822e | 448 | if (ret) { |
55314f2a | 449 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
450 | goto end; |
451 | } | |
452 | } | |
453 | ||
454 | end: | |
455 | return ret; | |
456 | } | |
457 | ||
94cf822e PP |
458 | static |
459 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
460 | { | |
461 | if (!ds_file_info) { | |
462 | return; | |
463 | } | |
464 | ||
465 | if (ds_file_info->path) { | |
466 | g_string_free(ds_file_info->path, TRUE); | |
467 | } | |
468 | ||
97ade20b | 469 | ctf_fs_ds_index_destroy(ds_file_info->index); |
94cf822e PP |
470 | g_free(ds_file_info); |
471 | } | |
472 | ||
473 | static | |
474 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
44c440bc | 475 | int64_t begin_ns, struct ctf_fs_ds_index *index) |
94cf822e PP |
476 | { |
477 | struct ctf_fs_ds_file_info *ds_file_info; | |
478 | ||
479 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
480 | if (!ds_file_info) { | |
481 | goto end; | |
482 | } | |
483 | ||
484 | ds_file_info->path = g_string_new(path); | |
485 | if (!ds_file_info->path) { | |
486 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
487 | ds_file_info = NULL; | |
488 | goto end; | |
489 | } | |
490 | ||
491 | ds_file_info->begin_ns = begin_ns; | |
97ade20b JG |
492 | ds_file_info->index = index; |
493 | index = NULL; | |
94cf822e PP |
494 | |
495 | end: | |
97ade20b | 496 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
497 | return ds_file_info; |
498 | } | |
499 | ||
500 | static | |
501 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
502 | { | |
503 | if (!ds_file_group) { | |
504 | return; | |
505 | } | |
506 | ||
507 | if (ds_file_group->ds_file_infos) { | |
508 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
509 | } | |
510 | ||
511 | bt_put(ds_file_group->stream); | |
547eacf1 | 512 | bt_put(ds_file_group->stream_class); |
94cf822e PP |
513 | g_free(ds_file_group); |
514 | } | |
515 | ||
516 | static | |
517 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
518 | struct ctf_fs_trace *ctf_fs_trace, | |
50842bdc | 519 | struct bt_stream_class *stream_class, |
94cf822e PP |
520 | uint64_t stream_instance_id) |
521 | { | |
522 | struct ctf_fs_ds_file_group *ds_file_group; | |
523 | ||
94cf822e PP |
524 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
525 | if (!ds_file_group) { | |
526 | goto error; | |
527 | } | |
528 | ||
529 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
530 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
531 | if (!ds_file_group->ds_file_infos) { | |
532 | goto error; | |
533 | } | |
534 | ||
547eacf1 | 535 | ds_file_group->stream_id = stream_instance_id; |
f6ccaed9 | 536 | BT_ASSERT(stream_class); |
547eacf1 | 537 | ds_file_group->stream_class = bt_get(stream_class); |
94cf822e | 538 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
539 | goto end; |
540 | ||
541 | error: | |
542 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
543 | ds_file_group = NULL; | |
544 | ||
545 | end: | |
546 | return ds_file_group; | |
547 | } | |
548 | ||
8bf7105e MJ |
549 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
550 | static | |
551 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
552 | { | |
553 | size_t original_array_len = array->len; | |
554 | ||
555 | /* Allocate an unused element at the end of the array. */ | |
556 | g_ptr_array_add(array, NULL); | |
557 | ||
558 | /* If we are not inserting at the end, move the elements by one. */ | |
559 | if (pos < original_array_len) { | |
560 | memmove(&(array->pdata[pos + 1]), | |
561 | &(array->pdata[pos]), | |
562 | (original_array_len - pos) * sizeof(gpointer)); | |
563 | } | |
564 | ||
565 | /* Insert the value and bump the array len */ | |
566 | array->pdata[pos] = element; | |
567 | } | |
568 | ||
94cf822e PP |
569 | static |
570 | int ctf_fs_ds_file_group_add_ds_file_info( | |
571 | struct ctf_fs_ds_file_group *ds_file_group, | |
44c440bc | 572 | const char *path, int64_t begin_ns, |
97ade20b | 573 | struct ctf_fs_ds_index *index) |
94cf822e PP |
574 | { |
575 | struct ctf_fs_ds_file_info *ds_file_info; | |
576 | gint i = 0; | |
577 | int ret = 0; | |
578 | ||
97ade20b JG |
579 | /* Onwership of index is transferred. */ |
580 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index); | |
581 | index = NULL; | |
94cf822e PP |
582 | if (!ds_file_info) { |
583 | goto error; | |
584 | } | |
585 | ||
586 | /* Find a spot to insert this one */ | |
587 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
588 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
589 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
590 | ||
591 | if (begin_ns < other_ds_file_info->begin_ns) { | |
592 | break; | |
593 | } | |
594 | } | |
595 | ||
8bf7105e | 596 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); |
94cf822e PP |
597 | ds_file_info = NULL; |
598 | goto end; | |
599 | ||
600 | error: | |
601 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
97ade20b | 602 | ctf_fs_ds_index_destroy(index); |
94cf822e | 603 | ret = -1; |
94cf822e PP |
604 | end: |
605 | return ret; | |
606 | } | |
607 | ||
608 | static | |
609 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
5c563278 | 610 | struct bt_graph *graph, const char *path) |
94cf822e | 611 | { |
50842bdc | 612 | struct bt_stream_class *stream_class = NULL; |
44c440bc PP |
613 | int64_t stream_instance_id = -1; |
614 | int64_t begin_ns = -1; | |
94cf822e PP |
615 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
616 | bool add_group = false; | |
617 | int ret; | |
618 | size_t i; | |
6de92955 | 619 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 620 | struct ctf_fs_ds_index *index = NULL; |
50842bdc | 621 | struct bt_notif_iter *notif_iter = NULL; |
44c440bc PP |
622 | struct ctf_stream_class *sc = NULL; |
623 | struct bt_notif_iter_packet_properties props; | |
94cf822e | 624 | |
44c440bc | 625 | notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->tc, |
6de92955 PP |
626 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
627 | if (!notif_iter) { | |
628 | BT_LOGE_STR("Cannot create a CTF notification iterator."); | |
629 | goto error; | |
630 | } | |
631 | ||
f0010051 | 632 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, notif_iter, |
5c563278 | 633 | NULL, path); |
97ade20b JG |
634 | if (!ds_file) { |
635 | goto error; | |
636 | } | |
637 | ||
312c056a | 638 | ret = ctf_fs_ds_file_borrow_packet_header_context_fields(ds_file, |
44c440bc | 639 | NULL, NULL); |
94cf822e | 640 | if (ret) { |
55314f2a | 641 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
642 | path); |
643 | goto error; | |
644 | } | |
645 | ||
44c440bc PP |
646 | ret = bt_notif_iter_get_packet_properties(ds_file->notif_iter, &props); |
647 | BT_ASSERT(ret == 0); | |
648 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, | |
649 | props.stream_class_id); | |
650 | BT_ASSERT(sc); | |
651 | stream_class = sc->ir_sc; | |
652 | BT_ASSERT(stream_class); | |
653 | stream_instance_id = props.data_stream_id; | |
654 | ||
655 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
656 | BT_ASSERT(sc->default_clock_class); | |
657 | ret = bt_clock_class_cycles_to_ns_from_origin( | |
658 | sc->default_clock_class, | |
659 | props.snapshots.beginning_clock, &begin_ns); | |
660 | if (ret) { | |
661 | BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", | |
662 | path); | |
663 | goto error; | |
664 | } | |
94cf822e PP |
665 | } |
666 | ||
97ade20b JG |
667 | index = ctf_fs_ds_file_build_index(ds_file); |
668 | if (!index) { | |
669 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
670 | ds_file->file->path->str); | |
671 | } | |
672 | ||
44c440bc | 673 | if (begin_ns == -1) { |
94cf822e PP |
674 | /* |
675 | * No beggining timestamp to sort the stream files | |
676 | * within a stream file group, so consider that this | |
677 | * file must be the only one within its group. | |
678 | */ | |
44c440bc | 679 | stream_instance_id = -1; |
94cf822e PP |
680 | } |
681 | ||
44c440bc | 682 | if (stream_instance_id == -1) { |
94cf822e PP |
683 | /* |
684 | * No stream instance ID or no beginning timestamp: | |
685 | * create a unique stream file group for this stream | |
686 | * file because, even if there's a stream instance ID, | |
687 | * there's no timestamp to order the file within its | |
688 | * group. | |
689 | */ | |
94cf822e PP |
690 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
691 | stream_class, stream_instance_id); | |
692 | if (!ds_file_group) { | |
693 | goto error; | |
694 | } | |
695 | ||
696 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
547eacf1 | 697 | path, begin_ns, index); |
97ade20b JG |
698 | /* Ownership of index is transferred. */ |
699 | index = NULL; | |
94cf822e PP |
700 | if (ret) { |
701 | goto error; | |
702 | } | |
703 | ||
704 | add_group = true; | |
705 | goto end; | |
706 | } | |
707 | ||
44c440bc PP |
708 | BT_ASSERT(stream_instance_id != -1); |
709 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
710 | |
711 | /* Find an existing stream file group with this ID */ | |
712 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
713 | ds_file_group = g_ptr_array_index( |
714 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 715 | |
547eacf1 PP |
716 | if (ds_file_group->stream_class == stream_class && |
717 | ds_file_group->stream_id == | |
718 | stream_instance_id) { | |
94cf822e PP |
719 | break; |
720 | } | |
721 | ||
722 | ds_file_group = NULL; | |
723 | } | |
724 | ||
725 | if (!ds_file_group) { | |
726 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
727 | stream_class, stream_instance_id); | |
728 | if (!ds_file_group) { | |
729 | goto error; | |
730 | } | |
731 | ||
732 | add_group = true; | |
733 | } | |
734 | ||
547eacf1 PP |
735 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
736 | begin_ns, index); | |
97ade20b | 737 | index = NULL; |
94cf822e PP |
738 | if (ret) { |
739 | goto error; | |
740 | } | |
741 | ||
742 | goto end; | |
743 | ||
744 | error: | |
745 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
746 | ret = -1; | |
747 | ||
748 | end: | |
749 | if (add_group && ds_file_group) { | |
750 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
751 | } | |
547eacf1 | 752 | |
97ade20b | 753 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 PP |
754 | |
755 | if (notif_iter) { | |
50842bdc | 756 | bt_notif_iter_destroy(notif_iter); |
6de92955 PP |
757 | } |
758 | ||
97ade20b | 759 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
760 | return ret; |
761 | } | |
762 | ||
763 | static | |
5c563278 PP |
764 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace, |
765 | struct bt_graph *graph) | |
e7a4393b JG |
766 | { |
767 | int ret = 0; | |
4f1f88a6 | 768 | const char *basename; |
e7a4393b | 769 | GError *error = NULL; |
4f1f88a6 | 770 | GDir *dir = NULL; |
547eacf1 | 771 | size_t i; |
e7a4393b | 772 | |
94cf822e | 773 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 774 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 775 | if (!dir) { |
55314f2a | 776 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 777 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 778 | error->code); |
e7a4393b JG |
779 | goto error; |
780 | } | |
781 | ||
4f1f88a6 | 782 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
783 | struct ctf_fs_file *file; |
784 | ||
4f1f88a6 | 785 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 786 | /* Ignore the metadata stream. */ |
3743a302 | 787 | BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 788 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
789 | continue; |
790 | } | |
791 | ||
4f1f88a6 | 792 | if (basename[0] == '.') { |
3743a302 | 793 | BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 794 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
795 | continue; |
796 | } | |
797 | ||
798 | /* Create the file. */ | |
55314f2a | 799 | file = ctf_fs_file_create(); |
e7a4393b | 800 | if (!file) { |
3743a302 | 801 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 802 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
803 | goto error; |
804 | } | |
805 | ||
806 | /* Create full path string. */ | |
3743a302 | 807 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 808 | ctf_fs_trace->path->str, basename); |
e7a4393b | 809 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 810 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 811 | file->path->str); |
e7a4393b | 812 | ctf_fs_file_destroy(file); |
4f1f88a6 | 813 | file = NULL; |
e7a4393b JG |
814 | continue; |
815 | } | |
816 | ||
55314f2a | 817 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 818 | if (ret) { |
55314f2a | 819 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
820 | goto error; |
821 | } | |
822 | ||
9fa0891a JG |
823 | if (file->size == 0) { |
824 | /* Skip empty stream. */ | |
55314f2a | 825 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
826 | ctf_fs_file_destroy(file); |
827 | continue; | |
828 | } | |
829 | ||
5c563278 | 830 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, graph, |
94cf822e | 831 | file->path->str); |
4f1f88a6 | 832 | if (ret) { |
89b08333 | 833 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 834 | file->path->str); |
94cf822e | 835 | ctf_fs_file_destroy(file); |
e7a4393b JG |
836 | goto error; |
837 | } | |
838 | ||
4f1f88a6 | 839 | ctf_fs_file_destroy(file); |
e7a4393b JG |
840 | } |
841 | ||
547eacf1 PP |
842 | /* |
843 | * At this point, DS file groupes are created, but their | |
844 | * associated stream objects do not exist yet. This is because | |
845 | * we need to name the created stream object with the data | |
846 | * stream file's path. We have everything we need here to do | |
847 | * this. | |
848 | */ | |
849 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
850 | struct ctf_fs_ds_file_group *ds_file_group = | |
851 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
852 | GString *name = get_stream_instance_unique_name(ds_file_group); | |
853 | ||
854 | if (!name) { | |
855 | goto error; | |
856 | } | |
857 | ||
44c440bc | 858 | if (ds_file_group->stream_id == UINT64_C(-1)) { |
3dca2276 | 859 | /* No stream ID: use 0 */ |
44c440bc PP |
860 | ds_file_group->stream = bt_stream_create_with_id( |
861 | ds_file_group->stream_class, | |
3dca2276 PP |
862 | ctf_fs_trace->next_stream_id); |
863 | ctf_fs_trace->next_stream_id++; | |
547eacf1 PP |
864 | } else { |
865 | /* Specific stream ID */ | |
44c440bc PP |
866 | ds_file_group->stream = bt_stream_create_with_id( |
867 | ds_file_group->stream_class, | |
868 | (uint64_t) ds_file_group->stream_id); | |
547eacf1 PP |
869 | } |
870 | ||
7742909c | 871 | if (!ds_file_group->stream) { |
547eacf1 PP |
872 | BT_LOGE("Cannot create stream for DS file group: " |
873 | "addr=%p, stream-name=\"%s\"", | |
874 | ds_file_group, name->str); | |
44c440bc PP |
875 | g_string_free(name, TRUE); |
876 | goto error; | |
877 | } | |
878 | ||
879 | ret = bt_stream_set_name(ds_file_group->stream, name->str); | |
880 | if (ret) { | |
881 | BT_LOGE("Cannot set stream's name: " | |
882 | "addr=%p, stream-name=\"%s\"", | |
883 | ds_file_group->stream, name->str); | |
884 | g_string_free(name, TRUE); | |
547eacf1 PP |
885 | goto error; |
886 | } | |
44c440bc PP |
887 | |
888 | g_string_free(name, TRUE); | |
547eacf1 PP |
889 | } |
890 | ||
e7a4393b | 891 | goto end; |
4f1f88a6 | 892 | |
e7a4393b JG |
893 | error: |
894 | ret = -1; | |
4f1f88a6 | 895 | |
e7a4393b JG |
896 | end: |
897 | if (dir) { | |
898 | g_dir_close(dir); | |
899 | dir = NULL; | |
900 | } | |
4f1f88a6 | 901 | |
e7a4393b JG |
902 | if (error) { |
903 | g_error_free(error); | |
904 | } | |
5b29e799 | 905 | |
91457551 | 906 | return ret; |
5b29e799 JG |
907 | } |
908 | ||
97ade20b | 909 | BT_HIDDEN |
55314f2a | 910 | struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
5c563278 PP |
911 | struct ctf_fs_metadata_config *metadata_config, |
912 | struct bt_graph *graph) | |
1a9f7075 PP |
913 | { |
914 | struct ctf_fs_trace *ctf_fs_trace; | |
915 | int ret; | |
916 | ||
917 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
918 | if (!ctf_fs_trace) { | |
919 | goto end; | |
920 | } | |
921 | ||
1a9f7075 PP |
922 | ctf_fs_trace->path = g_string_new(path); |
923 | if (!ctf_fs_trace->path) { | |
924 | goto error; | |
925 | } | |
926 | ||
927 | ctf_fs_trace->name = g_string_new(name); | |
928 | if (!ctf_fs_trace->name) { | |
929 | goto error; | |
930 | } | |
931 | ||
932 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
933 | if (!ctf_fs_trace->metadata) { | |
934 | goto error; | |
935 | } | |
936 | ||
44c440bc | 937 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
938 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
939 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
940 | if (!ctf_fs_trace->ds_file_groups) { | |
941 | goto error; | |
942 | } | |
943 | ||
a2a54545 | 944 | ret = ctf_fs_metadata_set_trace(ctf_fs_trace, metadata_config); |
1a9f7075 PP |
945 | if (ret) { |
946 | goto error; | |
947 | } | |
948 | ||
5c563278 | 949 | ret = create_ds_file_groups(ctf_fs_trace, graph); |
94cf822e PP |
950 | if (ret) { |
951 | goto error; | |
952 | } | |
953 | ||
27d1a78b PP |
954 | /* |
955 | * create_ds_file_groups() created all the streams that this | |
956 | * trace needs. There won't be any more. Therefore it is safe to | |
957 | * make this trace static. | |
958 | */ | |
44c440bc | 959 | (void) bt_trace_make_static(ctf_fs_trace->metadata->trace); |
27d1a78b | 960 | |
1a9f7075 PP |
961 | goto end; |
962 | ||
963 | error: | |
964 | ctf_fs_trace_destroy(ctf_fs_trace); | |
965 | ctf_fs_trace = NULL; | |
44c440bc | 966 | |
1a9f7075 PP |
967 | end: |
968 | return ctf_fs_trace; | |
969 | } | |
970 | ||
971 | static | |
972 | int path_is_ctf_trace(const char *path) | |
973 | { | |
974 | GString *metadata_path = g_string_new(NULL); | |
975 | int ret = 0; | |
976 | ||
977 | if (!metadata_path) { | |
978 | ret = -1; | |
979 | goto end; | |
980 | } | |
981 | ||
3743a302 | 982 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
983 | |
984 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
985 | ret = 1; | |
986 | goto end; | |
987 | } | |
988 | ||
989 | end: | |
990 | g_string_free(metadata_path, TRUE); | |
991 | return ret; | |
992 | } | |
993 | ||
994 | static | |
55314f2a | 995 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 996 | { |
4bd72b60 | 997 | GString *norm_path = NULL; |
1a9f7075 | 998 | int ret = 0; |
1a9f7075 | 999 | |
4bd72b60 PP |
1000 | norm_path = bt_common_normalize_path(path, NULL); |
1001 | if (!norm_path) { | |
55314f2a | 1002 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1003 | ret = -1; |
1004 | goto end; | |
1005 | } | |
1006 | ||
3743a302 | 1007 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1008 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1009 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1010 | ret = -1; |
1011 | goto end; | |
1012 | } | |
1013 | ||
4bd72b60 | 1014 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1015 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1016 | norm_path = NULL; |
1a9f7075 PP |
1017 | |
1018 | end: | |
4bd72b60 PP |
1019 | if (norm_path) { |
1020 | g_string_free(norm_path, TRUE); | |
1021 | } | |
1022 | ||
1a9f7075 PP |
1023 | return ret; |
1024 | } | |
1025 | ||
55314f2a JG |
1026 | BT_HIDDEN |
1027 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
1028 | { |
1029 | int ret; | |
1030 | GError *error = NULL; | |
1031 | GDir *dir = NULL; | |
1032 | const char *basename = NULL; | |
1033 | ||
1034 | /* Check if the starting path is a CTF trace itself */ | |
1035 | ret = path_is_ctf_trace(start_path); | |
1036 | if (ret < 0) { | |
1037 | goto end; | |
1038 | } | |
1039 | ||
1040 | if (ret) { | |
1041 | /* | |
4bd72b60 PP |
1042 | * Stop recursion: a CTF trace cannot contain another |
1043 | * CTF trace. | |
1a9f7075 | 1044 | */ |
55314f2a | 1045 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1046 | goto end; |
1047 | } | |
1048 | ||
1049 | /* Look for subdirectories */ | |
1050 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1051 | /* Starting path is not a directory: end of recursion */ | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | dir = g_dir_open(start_path, 0, &error); | |
1056 | if (!dir) { | |
1057 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1058 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1059 | start_path, error->message, error->code); |
1060 | goto end; | |
1061 | } | |
1062 | ||
55314f2a | 1063 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1064 | start_path, error->message, error->code); |
1065 | ret = -1; | |
1066 | goto end; | |
1067 | } | |
1068 | ||
1069 | while ((basename = g_dir_read_name(dir))) { | |
1070 | GString *sub_path = g_string_new(NULL); | |
1071 | ||
1072 | if (!sub_path) { | |
1073 | ret = -1; | |
1074 | goto end; | |
1075 | } | |
1076 | ||
3743a302 | 1077 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1078 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1079 | g_string_free(sub_path, TRUE); |
1080 | if (ret) { | |
1081 | goto end; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | end: | |
1086 | if (dir) { | |
1087 | g_dir_close(dir); | |
1088 | } | |
1089 | ||
1090 | if (error) { | |
1091 | g_error_free(error); | |
1092 | } | |
1093 | ||
1094 | return ret; | |
1095 | } | |
1096 | ||
55314f2a JG |
1097 | BT_HIDDEN |
1098 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1099 | GList *trace_names = NULL; |
1a9f7075 | 1100 | GList *node; |
4bd72b60 PP |
1101 | const char *last_sep; |
1102 | size_t base_dist; | |
1a9f7075 PP |
1103 | |
1104 | /* | |
4bd72b60 PP |
1105 | * At this point we know that all the trace paths are |
1106 | * normalized, and so is the base path. This means that | |
1107 | * they are absolute and they don't end with a separator. | |
1108 | * We can simply find the location of the last separator | |
1109 | * in the base path, which gives us the name of the actual | |
1110 | * directory to look into, and use this location as the | |
1111 | * start of each trace name within each trace path. | |
1112 | * | |
1113 | * For example: | |
1114 | * | |
1115 | * Base path: /home/user/my-traces/some-trace | |
1116 | * Trace paths: | |
1117 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1118 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1119 | * - /home/user/my-traces/some-trace/host2/trace | |
1120 | * - /home/user/my-traces/some-trace/other-trace | |
1121 | * | |
1122 | * In this case the trace names are: | |
1123 | * | |
1124 | * - some-trace/host1/trace1 | |
1125 | * - some-trace/host1/trace2 | |
1126 | * - some-trace/host2/trace | |
1127 | * - some-trace/other-trace | |
1a9f7075 | 1128 | */ |
4bd72b60 | 1129 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1130 | |
4bd72b60 | 1131 | /* We know there's at least one separator */ |
f6ccaed9 | 1132 | BT_ASSERT(last_sep); |
1a9f7075 | 1133 | |
4bd72b60 PP |
1134 | /* Distance to base */ |
1135 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1136 | |
1137 | /* Create the trace names */ | |
1138 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1139 | GString *trace_name = g_string_new(NULL); | |
1140 | GString *trace_path = node->data; | |
1141 | ||
f6ccaed9 | 1142 | BT_ASSERT(trace_name); |
4bd72b60 | 1143 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1144 | trace_names = g_list_append(trace_names, trace_name); |
1145 | } | |
1146 | ||
1147 | return trace_names; | |
1148 | } | |
1149 | ||
1150 | static | |
1151 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1152 | const char *path_param) | |
1153 | { | |
1154 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1155 | int ret = 0; | |
4bd72b60 | 1156 | GString *norm_path = NULL; |
1a9f7075 PP |
1157 | GList *trace_paths = NULL; |
1158 | GList *trace_names = NULL; | |
1159 | GList *tp_node; | |
1160 | GList *tn_node; | |
1161 | ||
4bd72b60 PP |
1162 | norm_path = bt_common_normalize_path(path_param, NULL); |
1163 | if (!norm_path) { | |
55314f2a | 1164 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1165 | path_param); |
1166 | goto error; | |
1167 | } | |
1168 | ||
55314f2a | 1169 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1170 | if (ret) { |
1171 | goto error; | |
1172 | } | |
1173 | ||
1174 | if (!trace_paths) { | |
55314f2a | 1175 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1176 | path_param); |
1177 | goto error; | |
1178 | } | |
1179 | ||
55314f2a | 1180 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1181 | if (!trace_names) { |
55314f2a | 1182 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1183 | goto error; |
1184 | } | |
1185 | ||
1186 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1187 | tp_node = g_list_next(tp_node), | |
1188 | tn_node = g_list_next(tn_node)) { | |
1189 | GString *trace_path = tp_node->data; | |
1190 | GString *trace_name = tn_node->data; | |
5c563278 PP |
1191 | struct bt_graph *graph = bt_component_borrow_graph( |
1192 | bt_component_borrow_from_private(ctf_fs->priv_comp)); | |
1a9f7075 | 1193 | |
5c563278 | 1194 | BT_ASSERT(graph); |
55314f2a | 1195 | ctf_fs_trace = ctf_fs_trace_create(trace_path->str, |
5c563278 PP |
1196 | trace_name->str, &ctf_fs->metadata_config, |
1197 | graph); | |
1a9f7075 | 1198 | if (!ctf_fs_trace) { |
55314f2a | 1199 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1200 | trace_path->str); |
1201 | goto error; | |
1202 | } | |
52c5fe74 | 1203 | |
55314f2a JG |
1204 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1205 | if (ret) { | |
1206 | goto error; | |
1207 | } | |
1208 | ||
52c5fe74 PP |
1209 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1210 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1211 | } |
1212 | ||
1a9f7075 PP |
1213 | goto end; |
1214 | ||
1215 | error: | |
1216 | ret = -1; | |
1217 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1218 | ||
1219 | end: | |
1220 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1221 | if (tp_node->data) { | |
1222 | g_string_free(tp_node->data, TRUE); | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1227 | if (tn_node->data) { | |
1228 | g_string_free(tn_node->data, TRUE); | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | if (trace_paths) { | |
1233 | g_list_free(trace_paths); | |
1234 | } | |
1235 | ||
1236 | if (trace_names) { | |
1237 | g_list_free(trace_names); | |
1238 | } | |
1239 | ||
4bd72b60 PP |
1240 | if (norm_path) { |
1241 | g_string_free(norm_path, TRUE); | |
1242 | } | |
1243 | ||
1a9f7075 PP |
1244 | return ret; |
1245 | } | |
1246 | ||
5b29e799 | 1247 | static |
4f1f88a6 PP |
1248 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
1249 | struct bt_value *params) | |
56a1cced JG |
1250 | { |
1251 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 1252 | struct bt_value *value = NULL; |
1a9f7075 | 1253 | const char *path_param; |
3faba6d4 MD |
1254 | enum bt_component_status ret; |
1255 | enum bt_value_status value_ret; | |
56a1cced JG |
1256 | |
1257 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1258 | if (!ctf_fs) { | |
1259 | goto end; | |
1260 | } | |
1261 | ||
1a9f7075 | 1262 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
f6ccaed9 | 1263 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1264 | |
4f1f88a6 PP |
1265 | /* |
1266 | * We don't need to get a new reference here because as long as | |
1267 | * our private ctf_fs_component object exists, the containing | |
1268 | * private component should also exist. | |
1269 | */ | |
1270 | ctf_fs->priv_comp = priv_comp; | |
0b29603d | 1271 | value = bt_value_map_borrow(params, "path"); |
f6ccaed9 | 1272 | if (value && !bt_value_is_string(value)) { |
56a1cced JG |
1273 | goto error; |
1274 | } | |
1275 | ||
3faba6d4 | 1276 | value_ret = bt_value_string_get(value, &path_param); |
f6ccaed9 | 1277 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
0b29603d | 1278 | value = bt_value_map_borrow(params, "clock-class-offset-s"); |
92540773 | 1279 | if (value) { |
a2a54545 PP |
1280 | if (!bt_value_is_integer(value)) { |
1281 | BT_LOGE("clock-class-offset-s should be an integer"); | |
1282 | goto error; | |
1283 | } | |
3faba6d4 | 1284 | value_ret = bt_value_integer_get(value, |
a2a54545 | 1285 | &ctf_fs->metadata_config.clock_class_offset_s); |
f6ccaed9 | 1286 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
a2a54545 | 1287 | } |
92540773 | 1288 | |
0b29603d | 1289 | value = bt_value_map_borrow(params, "clock-class-offset-ns"); |
a2a54545 | 1290 | if (value) { |
92540773 | 1291 | if (!bt_value_is_integer(value)) { |
a2a54545 | 1292 | BT_LOGE("clock-class-offset-ns should be an integer"); |
92540773 JD |
1293 | goto error; |
1294 | } | |
3faba6d4 | 1295 | value_ret = bt_value_integer_get(value, |
a2a54545 | 1296 | &ctf_fs->metadata_config.clock_class_offset_ns); |
f6ccaed9 | 1297 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
92540773 JD |
1298 | } |
1299 | ||
1a9f7075 PP |
1300 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1301 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1302 | goto error; |
1303 | } | |
1304 | ||
97ade20b JG |
1305 | ctf_fs->traces = g_ptr_array_new_with_free_func( |
1306 | ctf_fs_trace_destroy_notifier); | |
1a9f7075 | 1307 | if (!ctf_fs->traces) { |
599faa1c PP |
1308 | goto error; |
1309 | } | |
1310 | ||
3faba6d4 | 1311 | if (create_ctf_fs_traces(ctf_fs, path_param)) { |
4f1f88a6 PP |
1312 | goto error; |
1313 | } | |
1314 | ||
1ef09eb5 JG |
1315 | goto end; |
1316 | ||
56a1cced | 1317 | error: |
1a9f7075 | 1318 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1319 | ctf_fs = NULL; |
1a9f7075 | 1320 | ret = bt_private_component_set_user_data(priv_comp, NULL); |
f6ccaed9 | 1321 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1322 | |
1ef09eb5 | 1323 | end: |
56a1cced JG |
1324 | return ctf_fs; |
1325 | } | |
1326 | ||
ea0b4b9e | 1327 | BT_HIDDEN |
4f1f88a6 | 1328 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 1329 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
1330 | { |
1331 | struct ctf_fs_component *ctf_fs; | |
1332 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
1333 | ||
4f1f88a6 | 1334 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e | 1335 | if (!ctf_fs) { |
1a9f7075 | 1336 | ret = BT_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1337 | } |
4c1456f0 | 1338 | |
ea0b4b9e JG |
1339 | return ret; |
1340 | } | |
33f93973 PP |
1341 | |
1342 | BT_HIDDEN | |
90157d89 | 1343 | struct bt_component_class_query_method_return ctf_fs_query( |
c7eee084 PP |
1344 | struct bt_component_class *comp_class, |
1345 | struct bt_query_executor *query_exec, | |
a67681c1 | 1346 | const char *object, struct bt_value *params) |
33f93973 | 1347 | { |
90157d89 | 1348 | struct bt_component_class_query_method_return ret = { |
c7eee084 PP |
1349 | .result = NULL, |
1350 | .status = BT_QUERY_STATUS_OK, | |
1351 | }; | |
33f93973 | 1352 | |
04c0ba87 | 1353 | if (!strcmp(object, "metadata-info")) { |
c7eee084 | 1354 | ret = metadata_info_query(comp_class, params); |
97ade20b | 1355 | } else if (!strcmp(object, "trace-info")) { |
c7eee084 | 1356 | ret = trace_info_query(comp_class, params); |
33f93973 | 1357 | } else { |
55314f2a | 1358 | BT_LOGE("Unknown query object `%s`", object); |
c7eee084 | 1359 | ret.status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1360 | goto end; |
33f93973 | 1361 | } |
33f93973 | 1362 | end: |
c7eee084 | 1363 | return ret; |
33f93973 | 1364 | } |