Commit | Line | Data |
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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, | |
6de92955 | 62 | notif_iter_data->notif_iter, |
94cf822e | 63 | notif_iter_data->ds_file_group->stream, |
97ade20b | 64 | ds_file_info->path->str); |
94cf822e PP |
65 | if (!notif_iter_data->ds_file) { |
66 | ret = -1; | |
67 | } | |
68 | ||
69 | return ret; | |
70 | } | |
71 | ||
72 | static | |
73 | void ctf_fs_notif_iter_data_destroy( | |
74 | struct ctf_fs_notif_iter_data *notif_iter_data) | |
75 | { | |
76 | if (!notif_iter_data) { | |
77 | return; | |
78 | } | |
79 | ||
80 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
6de92955 PP |
81 | |
82 | if (notif_iter_data->notif_iter) { | |
50842bdc | 83 | bt_notif_iter_destroy(notif_iter_data->notif_iter); |
6de92955 PP |
84 | } |
85 | ||
94cf822e PP |
86 | g_free(notif_iter_data); |
87 | } | |
88 | ||
90157d89 PP |
89 | struct bt_notification_iterator_next_method_return ctf_fs_iterator_next( |
90 | struct bt_private_connection_private_notification_iterator *iterator) | |
ea0b4b9e | 91 | { |
90157d89 | 92 | struct bt_notification_iterator_next_method_return next_ret; |
94cf822e | 93 | struct ctf_fs_notif_iter_data *notif_iter_data = |
90157d89 | 94 | bt_private_connection_private_notification_iterator_get_user_data(iterator); |
94cf822e PP |
95 | int ret; |
96 | ||
f6ccaed9 | 97 | BT_ASSERT(notif_iter_data->ds_file); |
94cf822e | 98 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); |
f42867e2 PP |
99 | |
100 | if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK && | |
101 | bt_notification_get_type(next_ret.notification) == | |
102 | BT_NOTIFICATION_TYPE_STREAM_BEGIN) { | |
103 | if (notif_iter_data->skip_stream_begin_notifs) { | |
104 | /* | |
105 | * We already emitted a | |
106 | * BT_NOTIFICATION_TYPE_STREAM_BEGIN | |
107 | * notification: skip this one, get a new one. | |
108 | */ | |
109 | BT_PUT(next_ret.notification); | |
110 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
111 | BT_ASSERT(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
112 | goto end; | |
113 | } else { | |
114 | /* | |
115 | * First BT_NOTIFICATION_TYPE_STREAM_BEGIN | |
116 | * notification: skip all following. | |
117 | */ | |
118 | notif_iter_data->skip_stream_begin_notifs = true; | |
119 | goto end; | |
120 | } | |
121 | } | |
122 | ||
123 | if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK && | |
124 | bt_notification_get_type(next_ret.notification) == | |
125 | BT_NOTIFICATION_TYPE_STREAM_END) { | |
94cf822e PP |
126 | notif_iter_data->ds_file_info_index++; |
127 | ||
128 | if (notif_iter_data->ds_file_info_index == | |
129 | notif_iter_data->ds_file_group->ds_file_infos->len) { | |
130 | /* | |
131 | * No more stream files to read: we reached the | |
f42867e2 PP |
132 | * real end. Emit this |
133 | * BT_NOTIFICATION_TYPE_STREAM_END notification. | |
134 | * The next time ctf_fs_iterator_next() is | |
135 | * called for this notification iterator, | |
136 | * ctf_fs_ds_file_next() will return | |
137 | * BT_NOTIFICATION_ITERATOR_STATUS_END(). | |
94cf822e PP |
138 | */ |
139 | goto end; | |
140 | } | |
141 | ||
f42867e2 PP |
142 | BT_PUT(next_ret.notification); |
143 | bt_notif_iter_reset(notif_iter_data->notif_iter); | |
144 | ||
94cf822e PP |
145 | /* |
146 | * Open and start reading the next stream file within | |
147 | * our stream file group. | |
148 | */ | |
149 | ret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
150 | if (ret) { | |
151 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
152 | goto end; | |
153 | } | |
154 | ||
155 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
156 | ||
157 | /* | |
f42867e2 PP |
158 | * If we get a notification, we expect to get a |
159 | * BT_NOTIFICATION_TYPE_STREAM_BEGIN notification | |
160 | * because the iterator's state machine emits one before | |
161 | * even requesting the first block of data from the | |
162 | * medium. Skip this notification because we're not | |
163 | * really starting a new stream here, and try getting a | |
164 | * new notification (which, if it works, is a | |
165 | * BT_NOTIFICATION_TYPE_PACKET_BEGIN one). We're sure to | |
166 | * get at least one pair of | |
167 | * BT_NOTIFICATION_TYPE_PACKET_BEGIN and | |
168 | * BT_NOTIFICATION_TYPE_PACKET_END notifications in the | |
169 | * case of a single, empty packet. We know there's at | |
170 | * least one packet because the stream file group does | |
171 | * not contain empty stream files. | |
94cf822e | 172 | */ |
f42867e2 PP |
173 | BT_ASSERT(notif_iter_data->skip_stream_begin_notifs); |
174 | ||
175 | if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
176 | BT_ASSERT(bt_notification_get_type(next_ret.notification) == | |
177 | BT_NOTIFICATION_TYPE_STREAM_BEGIN); | |
178 | BT_PUT(next_ret.notification); | |
179 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
180 | BT_ASSERT(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
181 | } | |
94cf822e | 182 | } |
d01e0f33 | 183 | |
94cf822e PP |
184 | end: |
185 | return next_ret; | |
ea0b4b9e | 186 | } |
bfd20a42 | 187 | |
90157d89 | 188 | void ctf_fs_iterator_finalize(struct bt_private_connection_private_notification_iterator *it) |
760051fa | 189 | { |
94cf822e | 190 | void *notif_iter_data = |
90157d89 | 191 | bt_private_connection_private_notification_iterator_get_user_data(it); |
760051fa | 192 | |
94cf822e | 193 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
194 | } |
195 | ||
4f1f88a6 | 196 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
90157d89 | 197 | struct bt_private_connection_private_notification_iterator *it, |
4f1f88a6 | 198 | struct bt_private_port *port) |
4c1456f0 | 199 | { |
4f1f88a6 | 200 | struct ctf_fs_port_data *port_data; |
94cf822e | 201 | struct ctf_fs_notif_iter_data *notif_iter_data = NULL; |
4f1f88a6 PP |
202 | enum bt_notification_iterator_status ret = |
203 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
94cf822e | 204 | int iret; |
760051fa | 205 | |
4f1f88a6 PP |
206 | port_data = bt_private_port_get_user_data(port); |
207 | if (!port_data) { | |
fe8ad2b6 | 208 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
209 | goto error; |
210 | } | |
5b29e799 | 211 | |
94cf822e PP |
212 | notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1); |
213 | if (!notif_iter_data) { | |
214 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
215 | goto error; | |
216 | } | |
217 | ||
50842bdc | 218 | notif_iter_data->notif_iter = bt_notif_iter_create( |
6de92955 PP |
219 | port_data->ds_file_group->ctf_fs_trace->metadata->trace, |
220 | bt_common_get_page_size() * 8, | |
221 | ctf_fs_ds_file_medops, NULL); | |
222 | if (!notif_iter_data->notif_iter) { | |
223 | BT_LOGE_STR("Cannot create a CTF notification iterator."); | |
224 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
225 | goto error; | |
226 | } | |
227 | ||
94cf822e PP |
228 | notif_iter_data->ds_file_group = port_data->ds_file_group; |
229 | iret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
230 | if (iret) { | |
231 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
4f1f88a6 | 232 | goto error; |
760051fa JG |
233 | } |
234 | ||
90157d89 | 235 | ret = bt_private_connection_private_notification_iterator_set_user_data(it, notif_iter_data); |
7401e2d1 | 236 | if (ret != BT_NOTIFICATION_ITERATOR_STATUS_OK) { |
4f1f88a6 | 237 | goto error; |
760051fa JG |
238 | } |
239 | ||
94cf822e | 240 | notif_iter_data = NULL; |
4f1f88a6 | 241 | goto end; |
5b29e799 | 242 | |
4f1f88a6 | 243 | error: |
90157d89 | 244 | (void) bt_private_connection_private_notification_iterator_set_user_data(it, NULL); |
4f1f88a6 | 245 | |
760051fa | 246 | end: |
94cf822e | 247 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
248 | return ret; |
249 | } | |
250 | ||
760051fa | 251 | static |
1a9f7075 | 252 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 253 | { |
4f1f88a6 | 254 | if (!ctf_fs) { |
8fa760ba JG |
255 | return; |
256 | } | |
4f1f88a6 | 257 | |
1a9f7075 PP |
258 | if (ctf_fs->traces) { |
259 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 260 | } |
4f1f88a6 PP |
261 | |
262 | if (ctf_fs->port_data) { | |
263 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 264 | } |
760051fa | 265 | |
1a9f7075 PP |
266 | g_free(ctf_fs); |
267 | } | |
268 | ||
97ade20b JG |
269 | BT_HIDDEN |
270 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) | |
1a9f7075 | 271 | { |
1a9f7075 PP |
272 | if (!ctf_fs_trace) { |
273 | return; | |
274 | } | |
275 | ||
94cf822e PP |
276 | if (ctf_fs_trace->ds_file_groups) { |
277 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
278 | } | |
279 | ||
1a9f7075 PP |
280 | if (ctf_fs_trace->path) { |
281 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 282 | } |
760051fa | 283 | |
1a9f7075 PP |
284 | if (ctf_fs_trace->name) { |
285 | g_string_free(ctf_fs_trace->name, TRUE); | |
286 | } | |
287 | ||
288 | if (ctf_fs_trace->metadata) { | |
289 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
290 | g_free(ctf_fs_trace->metadata); | |
291 | } | |
292 | ||
293 | bt_put(ctf_fs_trace->cc_prio_map); | |
294 | g_free(ctf_fs_trace); | |
4c1456f0 JG |
295 | } |
296 | ||
97ade20b JG |
297 | static |
298 | void ctf_fs_trace_destroy_notifier(void *data) | |
299 | { | |
300 | struct ctf_fs_trace *trace = data; | |
301 | ctf_fs_trace_destroy(trace); | |
302 | } | |
303 | ||
4f1f88a6 | 304 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 305 | { |
4f1f88a6 PP |
306 | void *data = bt_private_component_get_user_data(component); |
307 | ||
1a9f7075 | 308 | ctf_fs_destroy(data); |
a4792757 JG |
309 | } |
310 | ||
e7a4393b | 311 | static |
4f1f88a6 PP |
312 | void port_data_destroy(void *data) { |
313 | struct ctf_fs_port_data *port_data = data; | |
314 | ||
315 | if (!port_data) { | |
316 | return; | |
317 | } | |
318 | ||
4f1f88a6 | 319 | g_free(port_data); |
5b29e799 JG |
320 | } |
321 | ||
547eacf1 PP |
322 | static |
323 | GString *get_stream_instance_unique_name( | |
324 | struct ctf_fs_ds_file_group *ds_file_group) | |
325 | { | |
326 | GString *name; | |
327 | struct ctf_fs_ds_file_info *ds_file_info; | |
328 | ||
329 | name = g_string_new(NULL); | |
330 | if (!name) { | |
331 | goto end; | |
332 | } | |
333 | ||
334 | /* | |
335 | * If there's more than one stream file in the stream file | |
336 | * group, the first (earliest) stream file's path is used as | |
337 | * the stream's unique name. | |
338 | */ | |
f6ccaed9 | 339 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
547eacf1 PP |
340 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); |
341 | g_string_assign(name, ds_file_info->path->str); | |
342 | ||
343 | end: | |
344 | return name; | |
345 | } | |
346 | ||
5b29e799 | 347 | static |
55314f2a JG |
348 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
349 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 350 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 351 | { |
4f1f88a6 | 352 | int ret = 0; |
4f1f88a6 PP |
353 | struct ctf_fs_port_data *port_data = NULL; |
354 | GString *port_name = NULL; | |
355 | ||
547eacf1 | 356 | port_name = get_stream_instance_unique_name(ds_file_group); |
4f1f88a6 PP |
357 | if (!port_name) { |
358 | goto error; | |
359 | } | |
360 | ||
55314f2a | 361 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
362 | |
363 | /* Create output port for this file */ | |
4f1f88a6 PP |
364 | port_data = g_new0(struct ctf_fs_port_data, 1); |
365 | if (!port_data) { | |
366 | goto error; | |
367 | } | |
368 | ||
94cf822e | 369 | port_data->ds_file_group = ds_file_group; |
147337a3 PP |
370 | ret = bt_private_component_source_add_output_private_port( |
371 | ctf_fs->priv_comp, port_name->str, port_data, NULL); | |
372 | if (ret) { | |
4f1f88a6 PP |
373 | goto error; |
374 | } | |
375 | ||
376 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
377 | port_data = NULL; | |
378 | goto end; | |
379 | ||
380 | error: | |
381 | ret = -1; | |
382 | ||
383 | end: | |
384 | if (port_name) { | |
385 | g_string_free(port_name, TRUE); | |
386 | } | |
387 | ||
4f1f88a6 PP |
388 | port_data_destroy(port_data); |
389 | return ret; | |
5b29e799 JG |
390 | } |
391 | ||
392 | static | |
55314f2a JG |
393 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
394 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
395 | { |
396 | int ret = 0; | |
94cf822e PP |
397 | size_t i; |
398 | ||
399 | /* Create one output port for each stream file group */ | |
400 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
401 | struct ctf_fs_ds_file_group *ds_file_group = | |
402 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
403 | ||
55314f2a JG |
404 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
405 | ds_file_group); | |
94cf822e | 406 | if (ret) { |
55314f2a | 407 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
408 | goto end; |
409 | } | |
410 | } | |
411 | ||
412 | end: | |
413 | return ret; | |
414 | } | |
415 | ||
05afcecd | 416 | static |
94cf822e | 417 | uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace, |
50842bdc | 418 | struct bt_field *packet_header_field) |
94cf822e | 419 | { |
50842bdc | 420 | struct bt_field *stream_instance_id_field = NULL; |
94cf822e PP |
421 | uint64_t stream_instance_id = -1ULL; |
422 | int ret; | |
423 | ||
424 | if (!packet_header_field) { | |
425 | goto end; | |
426 | } | |
427 | ||
50842bdc | 428 | stream_instance_id_field = bt_field_structure_get_field_by_name( |
94cf822e PP |
429 | packet_header_field, "stream_instance_id"); |
430 | if (!stream_instance_id_field) { | |
431 | goto end; | |
432 | } | |
433 | ||
3dca2276 | 434 | ret = bt_field_integer_unsigned_get_value(stream_instance_id_field, |
94cf822e PP |
435 | &stream_instance_id); |
436 | if (ret) { | |
437 | stream_instance_id = -1ULL; | |
438 | goto end; | |
439 | } | |
440 | ||
441 | end: | |
442 | bt_put(stream_instance_id_field); | |
443 | return stream_instance_id; | |
444 | } | |
445 | ||
94cf822e PP |
446 | uint64_t get_packet_context_timestamp_begin_ns( |
447 | struct ctf_fs_trace *ctf_fs_trace, | |
50842bdc | 448 | struct bt_field *packet_context_field) |
94cf822e PP |
449 | { |
450 | int ret; | |
50842bdc PP |
451 | struct bt_field *timestamp_begin_field = NULL; |
452 | struct bt_field_type *timestamp_begin_ft = NULL; | |
94cf822e PP |
453 | uint64_t timestamp_begin_raw_value = -1ULL; |
454 | uint64_t timestamp_begin_ns = -1ULL; | |
455 | int64_t timestamp_begin_ns_signed; | |
50842bdc PP |
456 | struct bt_clock_class *timestamp_begin_clock_class = NULL; |
457 | struct bt_clock_value *clock_value = NULL; | |
94cf822e PP |
458 | |
459 | if (!packet_context_field) { | |
460 | goto end; | |
461 | } | |
462 | ||
50842bdc | 463 | timestamp_begin_field = bt_field_structure_get_field_by_name( |
94cf822e PP |
464 | packet_context_field, "timestamp_begin"); |
465 | if (!timestamp_begin_field) { | |
466 | goto end; | |
467 | } | |
468 | ||
50842bdc | 469 | timestamp_begin_ft = bt_field_get_type(timestamp_begin_field); |
f6ccaed9 | 470 | BT_ASSERT(timestamp_begin_ft); |
94cf822e | 471 | timestamp_begin_clock_class = |
50842bdc | 472 | bt_field_type_integer_get_mapped_clock_class(timestamp_begin_ft); |
94cf822e PP |
473 | if (!timestamp_begin_clock_class) { |
474 | goto end; | |
475 | } | |
476 | ||
3dca2276 | 477 | ret = bt_field_integer_unsigned_get_value(timestamp_begin_field, |
94cf822e PP |
478 | ×tamp_begin_raw_value); |
479 | if (ret) { | |
480 | goto end; | |
481 | } | |
482 | ||
50842bdc | 483 | clock_value = bt_clock_value_create(timestamp_begin_clock_class, |
94cf822e PP |
484 | timestamp_begin_raw_value); |
485 | if (!clock_value) { | |
486 | goto end; | |
487 | } | |
488 | ||
50842bdc | 489 | ret = bt_clock_value_get_value_ns_from_epoch(clock_value, |
94cf822e PP |
490 | ×tamp_begin_ns_signed); |
491 | if (ret) { | |
492 | goto end; | |
493 | } | |
494 | ||
495 | timestamp_begin_ns = (uint64_t) timestamp_begin_ns_signed; | |
496 | ||
497 | end: | |
498 | bt_put(timestamp_begin_field); | |
499 | bt_put(timestamp_begin_ft); | |
500 | bt_put(timestamp_begin_clock_class); | |
501 | bt_put(clock_value); | |
502 | return timestamp_begin_ns; | |
503 | } | |
504 | ||
505 | static | |
506 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
507 | { | |
508 | if (!ds_file_info) { | |
509 | return; | |
510 | } | |
511 | ||
512 | if (ds_file_info->path) { | |
513 | g_string_free(ds_file_info->path, TRUE); | |
514 | } | |
515 | ||
97ade20b | 516 | ctf_fs_ds_index_destroy(ds_file_info->index); |
94cf822e PP |
517 | g_free(ds_file_info); |
518 | } | |
519 | ||
520 | static | |
521 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
97ade20b | 522 | uint64_t begin_ns, struct ctf_fs_ds_index *index) |
94cf822e PP |
523 | { |
524 | struct ctf_fs_ds_file_info *ds_file_info; | |
525 | ||
526 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
527 | if (!ds_file_info) { | |
528 | goto end; | |
529 | } | |
530 | ||
531 | ds_file_info->path = g_string_new(path); | |
532 | if (!ds_file_info->path) { | |
533 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
534 | ds_file_info = NULL; | |
535 | goto end; | |
536 | } | |
537 | ||
538 | ds_file_info->begin_ns = begin_ns; | |
97ade20b JG |
539 | ds_file_info->index = index; |
540 | index = NULL; | |
94cf822e PP |
541 | |
542 | end: | |
97ade20b | 543 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
544 | return ds_file_info; |
545 | } | |
546 | ||
547 | static | |
548 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
549 | { | |
550 | if (!ds_file_group) { | |
551 | return; | |
552 | } | |
553 | ||
554 | if (ds_file_group->ds_file_infos) { | |
555 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
556 | } | |
557 | ||
558 | bt_put(ds_file_group->stream); | |
547eacf1 | 559 | bt_put(ds_file_group->stream_class); |
94cf822e PP |
560 | g_free(ds_file_group); |
561 | } | |
562 | ||
563 | static | |
564 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
565 | struct ctf_fs_trace *ctf_fs_trace, | |
50842bdc | 566 | struct bt_stream_class *stream_class, |
94cf822e PP |
567 | uint64_t stream_instance_id) |
568 | { | |
569 | struct ctf_fs_ds_file_group *ds_file_group; | |
570 | ||
94cf822e PP |
571 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
572 | if (!ds_file_group) { | |
573 | goto error; | |
574 | } | |
575 | ||
576 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
577 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
578 | if (!ds_file_group->ds_file_infos) { | |
579 | goto error; | |
580 | } | |
581 | ||
547eacf1 | 582 | ds_file_group->stream_id = stream_instance_id; |
f6ccaed9 | 583 | BT_ASSERT(stream_class); |
547eacf1 | 584 | ds_file_group->stream_class = bt_get(stream_class); |
94cf822e | 585 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
586 | goto end; |
587 | ||
588 | error: | |
589 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
590 | ds_file_group = NULL; | |
591 | ||
592 | end: | |
593 | return ds_file_group; | |
594 | } | |
595 | ||
8bf7105e MJ |
596 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
597 | static | |
598 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
599 | { | |
600 | size_t original_array_len = array->len; | |
601 | ||
602 | /* Allocate an unused element at the end of the array. */ | |
603 | g_ptr_array_add(array, NULL); | |
604 | ||
605 | /* If we are not inserting at the end, move the elements by one. */ | |
606 | if (pos < original_array_len) { | |
607 | memmove(&(array->pdata[pos + 1]), | |
608 | &(array->pdata[pos]), | |
609 | (original_array_len - pos) * sizeof(gpointer)); | |
610 | } | |
611 | ||
612 | /* Insert the value and bump the array len */ | |
613 | array->pdata[pos] = element; | |
614 | } | |
615 | ||
94cf822e PP |
616 | static |
617 | int ctf_fs_ds_file_group_add_ds_file_info( | |
618 | struct ctf_fs_ds_file_group *ds_file_group, | |
97ade20b JG |
619 | const char *path, uint64_t begin_ns, |
620 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
621 | { |
622 | struct ctf_fs_ds_file_info *ds_file_info; | |
623 | gint i = 0; | |
624 | int ret = 0; | |
625 | ||
97ade20b JG |
626 | /* Onwership of index is transferred. */ |
627 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index); | |
628 | index = NULL; | |
94cf822e PP |
629 | if (!ds_file_info) { |
630 | goto error; | |
631 | } | |
632 | ||
633 | /* Find a spot to insert this one */ | |
634 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
635 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
636 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
637 | ||
638 | if (begin_ns < other_ds_file_info->begin_ns) { | |
639 | break; | |
640 | } | |
641 | } | |
642 | ||
8bf7105e | 643 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); |
94cf822e PP |
644 | ds_file_info = NULL; |
645 | goto end; | |
646 | ||
647 | error: | |
648 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
97ade20b | 649 | ctf_fs_ds_index_destroy(index); |
94cf822e | 650 | ret = -1; |
94cf822e PP |
651 | end: |
652 | return ret; | |
653 | } | |
654 | ||
655 | static | |
656 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
657 | const char *path) | |
658 | { | |
50842bdc PP |
659 | struct bt_field *packet_header_field = NULL; |
660 | struct bt_field *packet_context_field = NULL; | |
661 | struct bt_stream_class *stream_class = NULL; | |
94cf822e PP |
662 | uint64_t stream_instance_id = -1ULL; |
663 | uint64_t begin_ns = -1ULL; | |
664 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
665 | bool add_group = false; | |
666 | int ret; | |
667 | size_t i; | |
6de92955 | 668 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 669 | struct ctf_fs_ds_index *index = NULL; |
50842bdc | 670 | struct bt_notif_iter *notif_iter = NULL; |
94cf822e | 671 | |
50842bdc | 672 | notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->trace, |
6de92955 PP |
673 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
674 | if (!notif_iter) { | |
675 | BT_LOGE_STR("Cannot create a CTF notification iterator."); | |
676 | goto error; | |
677 | } | |
678 | ||
679 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, notif_iter, NULL, path); | |
97ade20b JG |
680 | if (!ds_file) { |
681 | goto error; | |
682 | } | |
683 | ||
684 | ret = ctf_fs_ds_file_get_packet_header_context_fields(ds_file, | |
685 | &packet_header_field, &packet_context_field); | |
94cf822e | 686 | if (ret) { |
55314f2a | 687 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
688 | path); |
689 | goto error; | |
690 | } | |
691 | ||
692 | stream_instance_id = get_packet_header_stream_instance_id(ctf_fs_trace, | |
693 | packet_header_field); | |
694 | begin_ns = get_packet_context_timestamp_begin_ns(ctf_fs_trace, | |
695 | packet_context_field); | |
a429c321 JG |
696 | stream_class = ctf_utils_stream_class_from_packet_header( |
697 | ctf_fs_trace->metadata->trace, packet_header_field); | |
94cf822e PP |
698 | if (!stream_class) { |
699 | goto error; | |
700 | } | |
701 | ||
97ade20b JG |
702 | index = ctf_fs_ds_file_build_index(ds_file); |
703 | if (!index) { | |
704 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
705 | ds_file->file->path->str); | |
706 | } | |
707 | ||
94cf822e PP |
708 | if (begin_ns == -1ULL) { |
709 | /* | |
710 | * No beggining timestamp to sort the stream files | |
711 | * within a stream file group, so consider that this | |
712 | * file must be the only one within its group. | |
713 | */ | |
714 | stream_instance_id = -1ULL; | |
715 | } | |
716 | ||
717 | if (stream_instance_id == -1ULL) { | |
718 | /* | |
719 | * No stream instance ID or no beginning timestamp: | |
720 | * create a unique stream file group for this stream | |
721 | * file because, even if there's a stream instance ID, | |
722 | * there's no timestamp to order the file within its | |
723 | * group. | |
724 | */ | |
94cf822e PP |
725 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
726 | stream_class, stream_instance_id); | |
727 | if (!ds_file_group) { | |
728 | goto error; | |
729 | } | |
730 | ||
731 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
547eacf1 | 732 | path, begin_ns, index); |
97ade20b JG |
733 | /* Ownership of index is transferred. */ |
734 | index = NULL; | |
94cf822e PP |
735 | if (ret) { |
736 | goto error; | |
737 | } | |
738 | ||
739 | add_group = true; | |
740 | goto end; | |
741 | } | |
742 | ||
f6ccaed9 PP |
743 | BT_ASSERT(stream_instance_id != -1ULL); |
744 | BT_ASSERT(begin_ns != -1ULL); | |
94cf822e PP |
745 | |
746 | /* Find an existing stream file group with this ID */ | |
747 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
748 | ds_file_group = g_ptr_array_index( |
749 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 750 | |
547eacf1 PP |
751 | if (ds_file_group->stream_class == stream_class && |
752 | ds_file_group->stream_id == | |
753 | stream_instance_id) { | |
94cf822e PP |
754 | break; |
755 | } | |
756 | ||
757 | ds_file_group = NULL; | |
758 | } | |
759 | ||
760 | if (!ds_file_group) { | |
761 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
762 | stream_class, stream_instance_id); | |
763 | if (!ds_file_group) { | |
764 | goto error; | |
765 | } | |
766 | ||
767 | add_group = true; | |
768 | } | |
769 | ||
547eacf1 PP |
770 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
771 | begin_ns, index); | |
97ade20b | 772 | index = NULL; |
94cf822e PP |
773 | if (ret) { |
774 | goto error; | |
775 | } | |
776 | ||
777 | goto end; | |
778 | ||
779 | error: | |
780 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
781 | ret = -1; | |
782 | ||
783 | end: | |
784 | if (add_group && ds_file_group) { | |
785 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
786 | } | |
547eacf1 | 787 | |
97ade20b | 788 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 PP |
789 | |
790 | if (notif_iter) { | |
50842bdc | 791 | bt_notif_iter_destroy(notif_iter); |
6de92955 PP |
792 | } |
793 | ||
97ade20b | 794 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
795 | bt_put(packet_header_field); |
796 | bt_put(packet_context_field); | |
797 | bt_put(stream_class); | |
798 | return ret; | |
799 | } | |
800 | ||
801 | static | |
802 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) | |
e7a4393b JG |
803 | { |
804 | int ret = 0; | |
4f1f88a6 | 805 | const char *basename; |
e7a4393b | 806 | GError *error = NULL; |
4f1f88a6 | 807 | GDir *dir = NULL; |
547eacf1 | 808 | size_t i; |
e7a4393b | 809 | |
94cf822e | 810 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 811 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 812 | if (!dir) { |
55314f2a | 813 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 814 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 815 | error->code); |
e7a4393b JG |
816 | goto error; |
817 | } | |
818 | ||
4f1f88a6 | 819 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
820 | struct ctf_fs_file *file; |
821 | ||
4f1f88a6 | 822 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 823 | /* Ignore the metadata stream. */ |
3743a302 | 824 | BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 825 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
826 | continue; |
827 | } | |
828 | ||
4f1f88a6 | 829 | if (basename[0] == '.') { |
3743a302 | 830 | BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 831 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
832 | continue; |
833 | } | |
834 | ||
835 | /* Create the file. */ | |
55314f2a | 836 | file = ctf_fs_file_create(); |
e7a4393b | 837 | if (!file) { |
3743a302 | 838 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 839 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
840 | goto error; |
841 | } | |
842 | ||
843 | /* Create full path string. */ | |
3743a302 | 844 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 845 | ctf_fs_trace->path->str, basename); |
e7a4393b | 846 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 847 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 848 | file->path->str); |
e7a4393b | 849 | ctf_fs_file_destroy(file); |
4f1f88a6 | 850 | file = NULL; |
e7a4393b JG |
851 | continue; |
852 | } | |
853 | ||
55314f2a | 854 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 855 | if (ret) { |
55314f2a | 856 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
857 | goto error; |
858 | } | |
859 | ||
9fa0891a JG |
860 | if (file->size == 0) { |
861 | /* Skip empty stream. */ | |
55314f2a | 862 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
863 | ctf_fs_file_destroy(file); |
864 | continue; | |
865 | } | |
866 | ||
94cf822e PP |
867 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
868 | file->path->str); | |
4f1f88a6 | 869 | if (ret) { |
89b08333 | 870 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 871 | file->path->str); |
94cf822e | 872 | ctf_fs_file_destroy(file); |
e7a4393b JG |
873 | goto error; |
874 | } | |
875 | ||
4f1f88a6 | 876 | ctf_fs_file_destroy(file); |
e7a4393b JG |
877 | } |
878 | ||
547eacf1 PP |
879 | /* |
880 | * At this point, DS file groupes are created, but their | |
881 | * associated stream objects do not exist yet. This is because | |
882 | * we need to name the created stream object with the data | |
883 | * stream file's path. We have everything we need here to do | |
884 | * this. | |
885 | */ | |
886 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
887 | struct ctf_fs_ds_file_group *ds_file_group = | |
888 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
889 | GString *name = get_stream_instance_unique_name(ds_file_group); | |
890 | ||
891 | if (!name) { | |
892 | goto error; | |
893 | } | |
894 | ||
895 | if (ds_file_group->stream_id == -1ULL) { | |
3dca2276 | 896 | /* No stream ID: use 0 */ |
50842bdc | 897 | ds_file_group->stream = bt_stream_create( |
3dca2276 PP |
898 | ds_file_group->stream_class, name->str, |
899 | ctf_fs_trace->next_stream_id); | |
900 | ctf_fs_trace->next_stream_id++; | |
547eacf1 PP |
901 | } else { |
902 | /* Specific stream ID */ | |
3dca2276 | 903 | ds_file_group->stream = bt_stream_create( |
547eacf1 PP |
904 | ds_file_group->stream_class, name->str, |
905 | ds_file_group->stream_id); | |
906 | } | |
907 | ||
908 | g_string_free(name, TRUE); | |
909 | ||
7742909c | 910 | if (!ds_file_group->stream) { |
547eacf1 PP |
911 | BT_LOGE("Cannot create stream for DS file group: " |
912 | "addr=%p, stream-name=\"%s\"", | |
913 | ds_file_group, name->str); | |
914 | goto error; | |
915 | } | |
916 | } | |
917 | ||
e7a4393b | 918 | goto end; |
4f1f88a6 | 919 | |
e7a4393b JG |
920 | error: |
921 | ret = -1; | |
4f1f88a6 | 922 | |
e7a4393b JG |
923 | end: |
924 | if (dir) { | |
925 | g_dir_close(dir); | |
926 | dir = NULL; | |
927 | } | |
4f1f88a6 | 928 | |
e7a4393b JG |
929 | if (error) { |
930 | g_error_free(error); | |
931 | } | |
5b29e799 | 932 | |
91457551 | 933 | return ret; |
5b29e799 JG |
934 | } |
935 | ||
599faa1c | 936 | static |
1a9f7075 | 937 | int create_cc_prio_map(struct ctf_fs_trace *ctf_fs_trace) |
599faa1c PP |
938 | { |
939 | int ret = 0; | |
940 | size_t i; | |
941 | int count; | |
942 | ||
f6ccaed9 | 943 | BT_ASSERT(ctf_fs_trace); |
1a9f7075 PP |
944 | ctf_fs_trace->cc_prio_map = bt_clock_class_priority_map_create(); |
945 | if (!ctf_fs_trace->cc_prio_map) { | |
599faa1c PP |
946 | ret = -1; |
947 | goto end; | |
948 | } | |
949 | ||
50842bdc | 950 | count = bt_trace_get_clock_class_count( |
1a9f7075 | 951 | ctf_fs_trace->metadata->trace); |
f6ccaed9 | 952 | BT_ASSERT(count >= 0); |
599faa1c PP |
953 | |
954 | for (i = 0; i < count; i++) { | |
50842bdc PP |
955 | struct bt_clock_class *clock_class = |
956 | bt_trace_get_clock_class_by_index( | |
1a9f7075 | 957 | ctf_fs_trace->metadata->trace, i); |
599faa1c | 958 | |
f6ccaed9 | 959 | BT_ASSERT(clock_class); |
599faa1c | 960 | ret = bt_clock_class_priority_map_add_clock_class( |
1a9f7075 | 961 | ctf_fs_trace->cc_prio_map, clock_class, 0); |
599faa1c PP |
962 | BT_PUT(clock_class); |
963 | ||
964 | if (ret) { | |
965 | goto end; | |
966 | } | |
967 | } | |
968 | ||
969 | end: | |
970 | return ret; | |
971 | } | |
972 | ||
97ade20b | 973 | BT_HIDDEN |
55314f2a | 974 | struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
a2a54545 | 975 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
976 | { |
977 | struct ctf_fs_trace *ctf_fs_trace; | |
978 | int ret; | |
979 | ||
980 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
981 | if (!ctf_fs_trace) { | |
982 | goto end; | |
983 | } | |
984 | ||
1a9f7075 PP |
985 | ctf_fs_trace->path = g_string_new(path); |
986 | if (!ctf_fs_trace->path) { | |
987 | goto error; | |
988 | } | |
989 | ||
990 | ctf_fs_trace->name = g_string_new(name); | |
991 | if (!ctf_fs_trace->name) { | |
992 | goto error; | |
993 | } | |
994 | ||
995 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
996 | if (!ctf_fs_trace->metadata) { | |
997 | goto error; | |
998 | } | |
999 | ||
94cf822e PP |
1000 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1001 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1002 | if (!ctf_fs_trace->ds_file_groups) { | |
1003 | goto error; | |
1004 | } | |
1005 | ||
a2a54545 | 1006 | ret = ctf_fs_metadata_set_trace(ctf_fs_trace, metadata_config); |
1a9f7075 PP |
1007 | if (ret) { |
1008 | goto error; | |
1009 | } | |
1010 | ||
94cf822e PP |
1011 | ret = create_ds_file_groups(ctf_fs_trace); |
1012 | if (ret) { | |
1013 | goto error; | |
1014 | } | |
1015 | ||
1a9f7075 PP |
1016 | ret = create_cc_prio_map(ctf_fs_trace); |
1017 | if (ret) { | |
1018 | goto error; | |
1019 | } | |
1020 | ||
27d1a78b PP |
1021 | /* |
1022 | * create_ds_file_groups() created all the streams that this | |
1023 | * trace needs. There won't be any more. Therefore it is safe to | |
1024 | * make this trace static. | |
1025 | */ | |
50842bdc | 1026 | (void) bt_trace_set_is_static(ctf_fs_trace->metadata->trace); |
27d1a78b | 1027 | |
1a9f7075 PP |
1028 | goto end; |
1029 | ||
1030 | error: | |
1031 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1032 | ctf_fs_trace = NULL; | |
1033 | end: | |
1034 | return ctf_fs_trace; | |
1035 | } | |
1036 | ||
1037 | static | |
1038 | int path_is_ctf_trace(const char *path) | |
1039 | { | |
1040 | GString *metadata_path = g_string_new(NULL); | |
1041 | int ret = 0; | |
1042 | ||
1043 | if (!metadata_path) { | |
1044 | ret = -1; | |
1045 | goto end; | |
1046 | } | |
1047 | ||
3743a302 | 1048 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1049 | |
1050 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1051 | ret = 1; | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | end: | |
1056 | g_string_free(metadata_path, TRUE); | |
1057 | return ret; | |
1058 | } | |
1059 | ||
1060 | static | |
55314f2a | 1061 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1062 | { |
4bd72b60 | 1063 | GString *norm_path = NULL; |
1a9f7075 | 1064 | int ret = 0; |
1a9f7075 | 1065 | |
4bd72b60 PP |
1066 | norm_path = bt_common_normalize_path(path, NULL); |
1067 | if (!norm_path) { | |
55314f2a | 1068 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1069 | ret = -1; |
1070 | goto end; | |
1071 | } | |
1072 | ||
3743a302 | 1073 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1074 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1075 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1076 | ret = -1; |
1077 | goto end; | |
1078 | } | |
1079 | ||
4bd72b60 | 1080 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1081 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1082 | norm_path = NULL; |
1a9f7075 PP |
1083 | |
1084 | end: | |
4bd72b60 PP |
1085 | if (norm_path) { |
1086 | g_string_free(norm_path, TRUE); | |
1087 | } | |
1088 | ||
1a9f7075 PP |
1089 | return ret; |
1090 | } | |
1091 | ||
55314f2a JG |
1092 | BT_HIDDEN |
1093 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
1094 | { |
1095 | int ret; | |
1096 | GError *error = NULL; | |
1097 | GDir *dir = NULL; | |
1098 | const char *basename = NULL; | |
1099 | ||
1100 | /* Check if the starting path is a CTF trace itself */ | |
1101 | ret = path_is_ctf_trace(start_path); | |
1102 | if (ret < 0) { | |
1103 | goto end; | |
1104 | } | |
1105 | ||
1106 | if (ret) { | |
1107 | /* | |
4bd72b60 PP |
1108 | * Stop recursion: a CTF trace cannot contain another |
1109 | * CTF trace. | |
1a9f7075 | 1110 | */ |
55314f2a | 1111 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1112 | goto end; |
1113 | } | |
1114 | ||
1115 | /* Look for subdirectories */ | |
1116 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1117 | /* Starting path is not a directory: end of recursion */ | |
1118 | goto end; | |
1119 | } | |
1120 | ||
1121 | dir = g_dir_open(start_path, 0, &error); | |
1122 | if (!dir) { | |
1123 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1124 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1125 | start_path, error->message, error->code); |
1126 | goto end; | |
1127 | } | |
1128 | ||
55314f2a | 1129 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1130 | start_path, error->message, error->code); |
1131 | ret = -1; | |
1132 | goto end; | |
1133 | } | |
1134 | ||
1135 | while ((basename = g_dir_read_name(dir))) { | |
1136 | GString *sub_path = g_string_new(NULL); | |
1137 | ||
1138 | if (!sub_path) { | |
1139 | ret = -1; | |
1140 | goto end; | |
1141 | } | |
1142 | ||
3743a302 | 1143 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1144 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1145 | g_string_free(sub_path, TRUE); |
1146 | if (ret) { | |
1147 | goto end; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | end: | |
1152 | if (dir) { | |
1153 | g_dir_close(dir); | |
1154 | } | |
1155 | ||
1156 | if (error) { | |
1157 | g_error_free(error); | |
1158 | } | |
1159 | ||
1160 | return ret; | |
1161 | } | |
1162 | ||
55314f2a JG |
1163 | BT_HIDDEN |
1164 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1165 | GList *trace_names = NULL; |
1a9f7075 | 1166 | GList *node; |
4bd72b60 PP |
1167 | const char *last_sep; |
1168 | size_t base_dist; | |
1a9f7075 PP |
1169 | |
1170 | /* | |
4bd72b60 PP |
1171 | * At this point we know that all the trace paths are |
1172 | * normalized, and so is the base path. This means that | |
1173 | * they are absolute and they don't end with a separator. | |
1174 | * We can simply find the location of the last separator | |
1175 | * in the base path, which gives us the name of the actual | |
1176 | * directory to look into, and use this location as the | |
1177 | * start of each trace name within each trace path. | |
1178 | * | |
1179 | * For example: | |
1180 | * | |
1181 | * Base path: /home/user/my-traces/some-trace | |
1182 | * Trace paths: | |
1183 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1184 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1185 | * - /home/user/my-traces/some-trace/host2/trace | |
1186 | * - /home/user/my-traces/some-trace/other-trace | |
1187 | * | |
1188 | * In this case the trace names are: | |
1189 | * | |
1190 | * - some-trace/host1/trace1 | |
1191 | * - some-trace/host1/trace2 | |
1192 | * - some-trace/host2/trace | |
1193 | * - some-trace/other-trace | |
1a9f7075 | 1194 | */ |
4bd72b60 | 1195 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1196 | |
4bd72b60 | 1197 | /* We know there's at least one separator */ |
f6ccaed9 | 1198 | BT_ASSERT(last_sep); |
1a9f7075 | 1199 | |
4bd72b60 PP |
1200 | /* Distance to base */ |
1201 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1202 | |
1203 | /* Create the trace names */ | |
1204 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1205 | GString *trace_name = g_string_new(NULL); | |
1206 | GString *trace_path = node->data; | |
1207 | ||
f6ccaed9 | 1208 | BT_ASSERT(trace_name); |
4bd72b60 | 1209 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1210 | trace_names = g_list_append(trace_names, trace_name); |
1211 | } | |
1212 | ||
1213 | return trace_names; | |
1214 | } | |
1215 | ||
1216 | static | |
1217 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1218 | const char *path_param) | |
1219 | { | |
1220 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1221 | int ret = 0; | |
4bd72b60 | 1222 | GString *norm_path = NULL; |
1a9f7075 PP |
1223 | GList *trace_paths = NULL; |
1224 | GList *trace_names = NULL; | |
1225 | GList *tp_node; | |
1226 | GList *tn_node; | |
1227 | ||
4bd72b60 PP |
1228 | norm_path = bt_common_normalize_path(path_param, NULL); |
1229 | if (!norm_path) { | |
55314f2a | 1230 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1231 | path_param); |
1232 | goto error; | |
1233 | } | |
1234 | ||
55314f2a | 1235 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1236 | if (ret) { |
1237 | goto error; | |
1238 | } | |
1239 | ||
1240 | if (!trace_paths) { | |
55314f2a | 1241 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1242 | path_param); |
1243 | goto error; | |
1244 | } | |
1245 | ||
55314f2a | 1246 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1247 | if (!trace_names) { |
55314f2a | 1248 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1249 | goto error; |
1250 | } | |
1251 | ||
1252 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1253 | tp_node = g_list_next(tp_node), | |
1254 | tn_node = g_list_next(tn_node)) { | |
1255 | GString *trace_path = tp_node->data; | |
1256 | GString *trace_name = tn_node->data; | |
1257 | ||
55314f2a | 1258 | ctf_fs_trace = ctf_fs_trace_create(trace_path->str, |
a2a54545 | 1259 | trace_name->str, &ctf_fs->metadata_config); |
1a9f7075 | 1260 | if (!ctf_fs_trace) { |
55314f2a | 1261 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1262 | trace_path->str); |
1263 | goto error; | |
1264 | } | |
52c5fe74 | 1265 | |
55314f2a JG |
1266 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1267 | if (ret) { | |
1268 | goto error; | |
1269 | } | |
1270 | ||
52c5fe74 PP |
1271 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1272 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1273 | } |
1274 | ||
1a9f7075 PP |
1275 | goto end; |
1276 | ||
1277 | error: | |
1278 | ret = -1; | |
1279 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1280 | ||
1281 | end: | |
1282 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1283 | if (tp_node->data) { | |
1284 | g_string_free(tp_node->data, TRUE); | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1289 | if (tn_node->data) { | |
1290 | g_string_free(tn_node->data, TRUE); | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | if (trace_paths) { | |
1295 | g_list_free(trace_paths); | |
1296 | } | |
1297 | ||
1298 | if (trace_names) { | |
1299 | g_list_free(trace_names); | |
1300 | } | |
1301 | ||
4bd72b60 PP |
1302 | if (norm_path) { |
1303 | g_string_free(norm_path, TRUE); | |
1304 | } | |
1305 | ||
1a9f7075 PP |
1306 | return ret; |
1307 | } | |
1308 | ||
5b29e799 | 1309 | static |
4f1f88a6 PP |
1310 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
1311 | struct bt_value *params) | |
56a1cced JG |
1312 | { |
1313 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 1314 | struct bt_value *value = NULL; |
1a9f7075 | 1315 | const char *path_param; |
3faba6d4 MD |
1316 | enum bt_component_status ret; |
1317 | enum bt_value_status value_ret; | |
56a1cced JG |
1318 | |
1319 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1320 | if (!ctf_fs) { | |
1321 | goto end; | |
1322 | } | |
1323 | ||
1a9f7075 | 1324 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
f6ccaed9 | 1325 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1326 | |
4f1f88a6 PP |
1327 | /* |
1328 | * We don't need to get a new reference here because as long as | |
1329 | * our private ctf_fs_component object exists, the containing | |
1330 | * private component should also exist. | |
1331 | */ | |
1332 | ctf_fs->priv_comp = priv_comp; | |
56a1cced | 1333 | value = bt_value_map_get(params, "path"); |
f6ccaed9 | 1334 | if (value && !bt_value_is_string(value)) { |
56a1cced JG |
1335 | goto error; |
1336 | } | |
1337 | ||
3faba6d4 | 1338 | value_ret = bt_value_string_get(value, &path_param); |
f6ccaed9 | 1339 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
1a9f7075 | 1340 | BT_PUT(value); |
a2a54545 | 1341 | value = bt_value_map_get(params, "clock-class-offset-s"); |
92540773 | 1342 | if (value) { |
a2a54545 PP |
1343 | if (!bt_value_is_integer(value)) { |
1344 | BT_LOGE("clock-class-offset-s should be an integer"); | |
1345 | goto error; | |
1346 | } | |
3faba6d4 | 1347 | value_ret = bt_value_integer_get(value, |
a2a54545 | 1348 | &ctf_fs->metadata_config.clock_class_offset_s); |
f6ccaed9 | 1349 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
a2a54545 PP |
1350 | BT_PUT(value); |
1351 | } | |
92540773 | 1352 | |
a2a54545 PP |
1353 | value = bt_value_map_get(params, "clock-class-offset-ns"); |
1354 | if (value) { | |
92540773 | 1355 | if (!bt_value_is_integer(value)) { |
a2a54545 | 1356 | BT_LOGE("clock-class-offset-ns should be an integer"); |
92540773 JD |
1357 | goto error; |
1358 | } | |
3faba6d4 | 1359 | value_ret = bt_value_integer_get(value, |
a2a54545 | 1360 | &ctf_fs->metadata_config.clock_class_offset_ns); |
f6ccaed9 | 1361 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
1a9f7075 | 1362 | BT_PUT(value); |
92540773 JD |
1363 | } |
1364 | ||
1a9f7075 PP |
1365 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1366 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1367 | goto error; |
1368 | } | |
1369 | ||
97ade20b JG |
1370 | ctf_fs->traces = g_ptr_array_new_with_free_func( |
1371 | ctf_fs_trace_destroy_notifier); | |
1a9f7075 | 1372 | if (!ctf_fs->traces) { |
599faa1c PP |
1373 | goto error; |
1374 | } | |
1375 | ||
3faba6d4 | 1376 | if (create_ctf_fs_traces(ctf_fs, path_param)) { |
4f1f88a6 PP |
1377 | goto error; |
1378 | } | |
1379 | ||
1ef09eb5 JG |
1380 | goto end; |
1381 | ||
56a1cced | 1382 | error: |
1a9f7075 | 1383 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1384 | ctf_fs = NULL; |
1a9f7075 | 1385 | ret = bt_private_component_set_user_data(priv_comp, NULL); |
f6ccaed9 | 1386 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1387 | |
1ef09eb5 | 1388 | end: |
1a9f7075 | 1389 | bt_put(value); |
56a1cced JG |
1390 | return ctf_fs; |
1391 | } | |
1392 | ||
ea0b4b9e | 1393 | BT_HIDDEN |
4f1f88a6 | 1394 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 1395 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
1396 | { |
1397 | struct ctf_fs_component *ctf_fs; | |
1398 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
1399 | ||
4f1f88a6 | 1400 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e | 1401 | if (!ctf_fs) { |
1a9f7075 | 1402 | ret = BT_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1403 | } |
4c1456f0 | 1404 | |
ea0b4b9e JG |
1405 | return ret; |
1406 | } | |
33f93973 PP |
1407 | |
1408 | BT_HIDDEN | |
90157d89 | 1409 | struct bt_component_class_query_method_return ctf_fs_query( |
c7eee084 PP |
1410 | struct bt_component_class *comp_class, |
1411 | struct bt_query_executor *query_exec, | |
a67681c1 | 1412 | const char *object, struct bt_value *params) |
33f93973 | 1413 | { |
90157d89 | 1414 | struct bt_component_class_query_method_return ret = { |
c7eee084 PP |
1415 | .result = NULL, |
1416 | .status = BT_QUERY_STATUS_OK, | |
1417 | }; | |
33f93973 | 1418 | |
04c0ba87 | 1419 | if (!strcmp(object, "metadata-info")) { |
c7eee084 | 1420 | ret = metadata_info_query(comp_class, params); |
97ade20b | 1421 | } else if (!strcmp(object, "trace-info")) { |
c7eee084 | 1422 | ret = trace_info_query(comp_class, params); |
33f93973 | 1423 | } else { |
55314f2a | 1424 | BT_LOGE("Unknown query object `%s`", object); |
c7eee084 | 1425 | ret.status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1426 | goto end; |
33f93973 | 1427 | } |
33f93973 | 1428 | end: |
c7eee084 | 1429 | return ret; |
33f93973 | 1430 | } |