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> |
e0831b38 | 29 | #include <babeltrace/babeltrace.h> |
7d61fa8e | 30 | #include <plugins-common.h> |
ea0b4b9e | 31 | #include <glib.h> |
8b45963b | 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" |
55fa6491 | 40 | #include "../common/notif-iter/notif-iter.h" |
8f7b565c | 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 | ||
8b45963b | 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, | |
55fa6491 | 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); | |
55fa6491 PP |
81 | |
82 | if (notif_iter_data->notif_iter) { | |
839d52a5 | 83 | bt_notif_iter_destroy(notif_iter_data->notif_iter); |
55fa6491 PP |
84 | } |
85 | ||
94cf822e PP |
86 | g_free(notif_iter_data); |
87 | } | |
88 | ||
fe7265b5 PP |
89 | struct bt_notification_iterator_next_method_return ctf_fs_iterator_next( |
90 | struct bt_private_connection_private_notification_iterator *iterator) | |
ea0b4b9e | 91 | { |
fe7265b5 | 92 | struct bt_notification_iterator_next_method_return next_ret; |
94cf822e | 93 | struct ctf_fs_notif_iter_data *notif_iter_data = |
fe7265b5 | 94 | bt_private_connection_private_notification_iterator_get_user_data(iterator); |
94cf822e PP |
95 | int ret; |
96 | ||
8b45963b | 97 | BT_ASSERT(notif_iter_data->ds_file); |
94cf822e | 98 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); |
6ff151ad 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 | |
6ff151ad 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 | ||
6ff151ad 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 | /* | |
6ff151ad 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 | */ |
6ff151ad 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 | |
fe7265b5 | 188 | void ctf_fs_iterator_finalize(struct bt_private_connection_private_notification_iterator *it) |
760051fa | 189 | { |
94cf822e | 190 | void *notif_iter_data = |
fe7265b5 | 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( |
fe7265b5 | 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 | ||
839d52a5 | 218 | notif_iter_data->notif_iter = bt_notif_iter_create( |
55fa6491 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 | ||
fe7265b5 | 235 | ret = bt_private_connection_private_notification_iterator_set_user_data(it, notif_iter_data); |
be760b83 | 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: |
fe7265b5 | 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 | ||
d09752f8 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 | */ | |
8b45963b | 339 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
d09752f8 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 | ||
d09752f8 | 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 | ||
36f9b85b | 416 | static |
94cf822e | 417 | uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace, |
839d52a5 | 418 | struct bt_field *packet_header_field) |
94cf822e | 419 | { |
839d52a5 | 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 | ||
839d52a5 | 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 | ||
839d52a5 | 434 | ret = bt_field_unsigned_integer_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, | |
839d52a5 | 448 | struct bt_field *packet_context_field) |
94cf822e PP |
449 | { |
450 | int ret; | |
839d52a5 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; | |
839d52a5 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 | ||
839d52a5 | 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 | ||
839d52a5 | 469 | timestamp_begin_ft = bt_field_get_type(timestamp_begin_field); |
8b45963b | 470 | BT_ASSERT(timestamp_begin_ft); |
94cf822e | 471 | timestamp_begin_clock_class = |
839d52a5 | 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 | ||
839d52a5 | 477 | ret = bt_field_unsigned_integer_get_value(timestamp_begin_field, |
94cf822e PP |
478 | ×tamp_begin_raw_value); |
479 | if (ret) { | |
480 | goto end; | |
481 | } | |
482 | ||
839d52a5 | 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 | ||
839d52a5 | 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); | |
d09752f8 | 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, | |
839d52a5 | 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 | ||
d09752f8 | 582 | ds_file_group->stream_id = stream_instance_id; |
8b45963b | 583 | BT_ASSERT(stream_class); |
d09752f8 | 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 | ||
2b5f969e 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 | ||
2b5f969e | 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 | { | |
839d52a5 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; | |
55fa6491 | 668 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 669 | struct ctf_fs_ds_index *index = NULL; |
839d52a5 | 670 | struct bt_notif_iter *notif_iter = NULL; |
94cf822e | 671 | |
839d52a5 | 672 | notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->trace, |
55fa6491 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); | |
8f7b565c 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, | |
d09752f8 | 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 | ||
8b45963b 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 | |
d09752f8 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 | ||
d09752f8 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 | } | |
d09752f8 | 787 | |
97ade20b | 788 | ctf_fs_ds_file_destroy(ds_file); |
55fa6491 PP |
789 | |
790 | if (notif_iter) { | |
839d52a5 | 791 | bt_notif_iter_destroy(notif_iter); |
55fa6491 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; |
d09752f8 | 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. */ |
2c7bce29 | 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] == '.') { |
2c7bce29 | 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) { |
2c7bce29 | 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. */ | |
2c7bce29 | 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 | ||
d09752f8 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) { | |
896 | /* No stream ID */ | |
839d52a5 | 897 | ds_file_group->stream = bt_stream_create( |
d09752f8 PP |
898 | ds_file_group->stream_class, name->str); |
899 | } else { | |
900 | /* Specific stream ID */ | |
839d52a5 | 901 | ds_file_group->stream = bt_stream_create_with_id( |
d09752f8 PP |
902 | ds_file_group->stream_class, name->str, |
903 | ds_file_group->stream_id); | |
904 | } | |
905 | ||
906 | g_string_free(name, TRUE); | |
907 | ||
7b8d4b0f | 908 | if (!ds_file_group->stream) { |
d09752f8 PP |
909 | BT_LOGE("Cannot create stream for DS file group: " |
910 | "addr=%p, stream-name=\"%s\"", | |
911 | ds_file_group, name->str); | |
912 | goto error; | |
913 | } | |
914 | } | |
915 | ||
e7a4393b | 916 | goto end; |
4f1f88a6 | 917 | |
e7a4393b JG |
918 | error: |
919 | ret = -1; | |
4f1f88a6 | 920 | |
e7a4393b JG |
921 | end: |
922 | if (dir) { | |
923 | g_dir_close(dir); | |
924 | dir = NULL; | |
925 | } | |
4f1f88a6 | 926 | |
e7a4393b JG |
927 | if (error) { |
928 | g_error_free(error); | |
929 | } | |
5b29e799 | 930 | |
91457551 | 931 | return ret; |
5b29e799 JG |
932 | } |
933 | ||
599faa1c | 934 | static |
1a9f7075 | 935 | int create_cc_prio_map(struct ctf_fs_trace *ctf_fs_trace) |
599faa1c PP |
936 | { |
937 | int ret = 0; | |
938 | size_t i; | |
939 | int count; | |
940 | ||
8b45963b | 941 | BT_ASSERT(ctf_fs_trace); |
1a9f7075 PP |
942 | ctf_fs_trace->cc_prio_map = bt_clock_class_priority_map_create(); |
943 | if (!ctf_fs_trace->cc_prio_map) { | |
599faa1c PP |
944 | ret = -1; |
945 | goto end; | |
946 | } | |
947 | ||
839d52a5 | 948 | count = bt_trace_get_clock_class_count( |
1a9f7075 | 949 | ctf_fs_trace->metadata->trace); |
8b45963b | 950 | BT_ASSERT(count >= 0); |
599faa1c PP |
951 | |
952 | for (i = 0; i < count; i++) { | |
839d52a5 PP |
953 | struct bt_clock_class *clock_class = |
954 | bt_trace_get_clock_class_by_index( | |
1a9f7075 | 955 | ctf_fs_trace->metadata->trace, i); |
599faa1c | 956 | |
8b45963b | 957 | BT_ASSERT(clock_class); |
599faa1c | 958 | ret = bt_clock_class_priority_map_add_clock_class( |
1a9f7075 | 959 | ctf_fs_trace->cc_prio_map, clock_class, 0); |
599faa1c PP |
960 | BT_PUT(clock_class); |
961 | ||
962 | if (ret) { | |
963 | goto end; | |
964 | } | |
965 | } | |
966 | ||
967 | end: | |
968 | return ret; | |
969 | } | |
970 | ||
97ade20b | 971 | BT_HIDDEN |
55314f2a | 972 | struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
53ac3428 | 973 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
974 | { |
975 | struct ctf_fs_trace *ctf_fs_trace; | |
976 | int ret; | |
977 | ||
978 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
979 | if (!ctf_fs_trace) { | |
980 | goto end; | |
981 | } | |
982 | ||
1a9f7075 PP |
983 | ctf_fs_trace->path = g_string_new(path); |
984 | if (!ctf_fs_trace->path) { | |
985 | goto error; | |
986 | } | |
987 | ||
988 | ctf_fs_trace->name = g_string_new(name); | |
989 | if (!ctf_fs_trace->name) { | |
990 | goto error; | |
991 | } | |
992 | ||
993 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
994 | if (!ctf_fs_trace->metadata) { | |
995 | goto error; | |
996 | } | |
997 | ||
94cf822e PP |
998 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
999 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1000 | if (!ctf_fs_trace->ds_file_groups) { | |
1001 | goto error; | |
1002 | } | |
1003 | ||
53ac3428 | 1004 | ret = ctf_fs_metadata_set_trace(ctf_fs_trace, metadata_config); |
1a9f7075 PP |
1005 | if (ret) { |
1006 | goto error; | |
1007 | } | |
1008 | ||
94cf822e PP |
1009 | ret = create_ds_file_groups(ctf_fs_trace); |
1010 | if (ret) { | |
1011 | goto error; | |
1012 | } | |
1013 | ||
1a9f7075 PP |
1014 | ret = create_cc_prio_map(ctf_fs_trace); |
1015 | if (ret) { | |
1016 | goto error; | |
1017 | } | |
1018 | ||
27d1a78b PP |
1019 | /* |
1020 | * create_ds_file_groups() created all the streams that this | |
1021 | * trace needs. There won't be any more. Therefore it is safe to | |
1022 | * make this trace static. | |
1023 | */ | |
839d52a5 | 1024 | (void) bt_trace_set_is_static(ctf_fs_trace->metadata->trace); |
27d1a78b | 1025 | |
1a9f7075 PP |
1026 | goto end; |
1027 | ||
1028 | error: | |
1029 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1030 | ctf_fs_trace = NULL; | |
1031 | end: | |
1032 | return ctf_fs_trace; | |
1033 | } | |
1034 | ||
1035 | static | |
1036 | int path_is_ctf_trace(const char *path) | |
1037 | { | |
1038 | GString *metadata_path = g_string_new(NULL); | |
1039 | int ret = 0; | |
1040 | ||
1041 | if (!metadata_path) { | |
1042 | ret = -1; | |
1043 | goto end; | |
1044 | } | |
1045 | ||
2c7bce29 | 1046 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1047 | |
1048 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1049 | ret = 1; | |
1050 | goto end; | |
1051 | } | |
1052 | ||
1053 | end: | |
1054 | g_string_free(metadata_path, TRUE); | |
1055 | return ret; | |
1056 | } | |
1057 | ||
1058 | static | |
55314f2a | 1059 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1060 | { |
4bd72b60 | 1061 | GString *norm_path = NULL; |
1a9f7075 | 1062 | int ret = 0; |
1a9f7075 | 1063 | |
4bd72b60 PP |
1064 | norm_path = bt_common_normalize_path(path, NULL); |
1065 | if (!norm_path) { | |
55314f2a | 1066 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1067 | ret = -1; |
1068 | goto end; | |
1069 | } | |
1070 | ||
2c7bce29 | 1071 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1072 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1073 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1074 | ret = -1; |
1075 | goto end; | |
1076 | } | |
1077 | ||
4bd72b60 | 1078 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
8b45963b | 1079 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1080 | norm_path = NULL; |
1a9f7075 PP |
1081 | |
1082 | end: | |
4bd72b60 PP |
1083 | if (norm_path) { |
1084 | g_string_free(norm_path, TRUE); | |
1085 | } | |
1086 | ||
1a9f7075 PP |
1087 | return ret; |
1088 | } | |
1089 | ||
55314f2a JG |
1090 | BT_HIDDEN |
1091 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
1092 | { |
1093 | int ret; | |
1094 | GError *error = NULL; | |
1095 | GDir *dir = NULL; | |
1096 | const char *basename = NULL; | |
1097 | ||
1098 | /* Check if the starting path is a CTF trace itself */ | |
1099 | ret = path_is_ctf_trace(start_path); | |
1100 | if (ret < 0) { | |
1101 | goto end; | |
1102 | } | |
1103 | ||
1104 | if (ret) { | |
1105 | /* | |
4bd72b60 PP |
1106 | * Stop recursion: a CTF trace cannot contain another |
1107 | * CTF trace. | |
1a9f7075 | 1108 | */ |
55314f2a | 1109 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1110 | goto end; |
1111 | } | |
1112 | ||
1113 | /* Look for subdirectories */ | |
1114 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1115 | /* Starting path is not a directory: end of recursion */ | |
1116 | goto end; | |
1117 | } | |
1118 | ||
1119 | dir = g_dir_open(start_path, 0, &error); | |
1120 | if (!dir) { | |
1121 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1122 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1123 | start_path, error->message, error->code); |
1124 | goto end; | |
1125 | } | |
1126 | ||
55314f2a | 1127 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1128 | start_path, error->message, error->code); |
1129 | ret = -1; | |
1130 | goto end; | |
1131 | } | |
1132 | ||
1133 | while ((basename = g_dir_read_name(dir))) { | |
1134 | GString *sub_path = g_string_new(NULL); | |
1135 | ||
1136 | if (!sub_path) { | |
1137 | ret = -1; | |
1138 | goto end; | |
1139 | } | |
1140 | ||
2c7bce29 | 1141 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1142 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1143 | g_string_free(sub_path, TRUE); |
1144 | if (ret) { | |
1145 | goto end; | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | end: | |
1150 | if (dir) { | |
1151 | g_dir_close(dir); | |
1152 | } | |
1153 | ||
1154 | if (error) { | |
1155 | g_error_free(error); | |
1156 | } | |
1157 | ||
1158 | return ret; | |
1159 | } | |
1160 | ||
55314f2a JG |
1161 | BT_HIDDEN |
1162 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1163 | GList *trace_names = NULL; |
1a9f7075 | 1164 | GList *node; |
4bd72b60 PP |
1165 | const char *last_sep; |
1166 | size_t base_dist; | |
1a9f7075 PP |
1167 | |
1168 | /* | |
4bd72b60 PP |
1169 | * At this point we know that all the trace paths are |
1170 | * normalized, and so is the base path. This means that | |
1171 | * they are absolute and they don't end with a separator. | |
1172 | * We can simply find the location of the last separator | |
1173 | * in the base path, which gives us the name of the actual | |
1174 | * directory to look into, and use this location as the | |
1175 | * start of each trace name within each trace path. | |
1176 | * | |
1177 | * For example: | |
1178 | * | |
1179 | * Base path: /home/user/my-traces/some-trace | |
1180 | * Trace paths: | |
1181 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1182 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1183 | * - /home/user/my-traces/some-trace/host2/trace | |
1184 | * - /home/user/my-traces/some-trace/other-trace | |
1185 | * | |
1186 | * In this case the trace names are: | |
1187 | * | |
1188 | * - some-trace/host1/trace1 | |
1189 | * - some-trace/host1/trace2 | |
1190 | * - some-trace/host2/trace | |
1191 | * - some-trace/other-trace | |
1a9f7075 | 1192 | */ |
4bd72b60 | 1193 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1194 | |
4bd72b60 | 1195 | /* We know there's at least one separator */ |
8b45963b | 1196 | BT_ASSERT(last_sep); |
1a9f7075 | 1197 | |
4bd72b60 PP |
1198 | /* Distance to base */ |
1199 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1200 | |
1201 | /* Create the trace names */ | |
1202 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1203 | GString *trace_name = g_string_new(NULL); | |
1204 | GString *trace_path = node->data; | |
1205 | ||
8b45963b | 1206 | BT_ASSERT(trace_name); |
4bd72b60 | 1207 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1208 | trace_names = g_list_append(trace_names, trace_name); |
1209 | } | |
1210 | ||
1211 | return trace_names; | |
1212 | } | |
1213 | ||
1214 | static | |
1215 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1216 | const char *path_param) | |
1217 | { | |
1218 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1219 | int ret = 0; | |
4bd72b60 | 1220 | GString *norm_path = NULL; |
1a9f7075 PP |
1221 | GList *trace_paths = NULL; |
1222 | GList *trace_names = NULL; | |
1223 | GList *tp_node; | |
1224 | GList *tn_node; | |
1225 | ||
4bd72b60 PP |
1226 | norm_path = bt_common_normalize_path(path_param, NULL); |
1227 | if (!norm_path) { | |
55314f2a | 1228 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1229 | path_param); |
1230 | goto error; | |
1231 | } | |
1232 | ||
55314f2a | 1233 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1234 | if (ret) { |
1235 | goto error; | |
1236 | } | |
1237 | ||
1238 | if (!trace_paths) { | |
55314f2a | 1239 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1240 | path_param); |
1241 | goto error; | |
1242 | } | |
1243 | ||
55314f2a | 1244 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1245 | if (!trace_names) { |
55314f2a | 1246 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1247 | goto error; |
1248 | } | |
1249 | ||
1250 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1251 | tp_node = g_list_next(tp_node), | |
1252 | tn_node = g_list_next(tn_node)) { | |
1253 | GString *trace_path = tp_node->data; | |
1254 | GString *trace_name = tn_node->data; | |
1255 | ||
55314f2a | 1256 | ctf_fs_trace = ctf_fs_trace_create(trace_path->str, |
53ac3428 | 1257 | trace_name->str, &ctf_fs->metadata_config); |
1a9f7075 | 1258 | if (!ctf_fs_trace) { |
55314f2a | 1259 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1260 | trace_path->str); |
1261 | goto error; | |
1262 | } | |
52c5fe74 | 1263 | |
55314f2a JG |
1264 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1265 | if (ret) { | |
1266 | goto error; | |
1267 | } | |
1268 | ||
52c5fe74 PP |
1269 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1270 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1271 | } |
1272 | ||
1a9f7075 PP |
1273 | goto end; |
1274 | ||
1275 | error: | |
1276 | ret = -1; | |
1277 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1278 | ||
1279 | end: | |
1280 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1281 | if (tp_node->data) { | |
1282 | g_string_free(tp_node->data, TRUE); | |
1283 | } | |
1284 | } | |
1285 | ||
1286 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1287 | if (tn_node->data) { | |
1288 | g_string_free(tn_node->data, TRUE); | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | if (trace_paths) { | |
1293 | g_list_free(trace_paths); | |
1294 | } | |
1295 | ||
1296 | if (trace_names) { | |
1297 | g_list_free(trace_names); | |
1298 | } | |
1299 | ||
4bd72b60 PP |
1300 | if (norm_path) { |
1301 | g_string_free(norm_path, TRUE); | |
1302 | } | |
1303 | ||
1a9f7075 PP |
1304 | return ret; |
1305 | } | |
1306 | ||
5b29e799 | 1307 | static |
4f1f88a6 PP |
1308 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
1309 | struct bt_value *params) | |
56a1cced JG |
1310 | { |
1311 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 1312 | struct bt_value *value = NULL; |
1a9f7075 | 1313 | const char *path_param; |
b275e55e MD |
1314 | enum bt_component_status ret; |
1315 | enum bt_value_status value_ret; | |
56a1cced JG |
1316 | |
1317 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1318 | if (!ctf_fs) { | |
1319 | goto end; | |
1320 | } | |
1321 | ||
1a9f7075 | 1322 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
8b45963b | 1323 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1324 | |
4f1f88a6 PP |
1325 | /* |
1326 | * We don't need to get a new reference here because as long as | |
1327 | * our private ctf_fs_component object exists, the containing | |
1328 | * private component should also exist. | |
1329 | */ | |
1330 | ctf_fs->priv_comp = priv_comp; | |
56a1cced | 1331 | value = bt_value_map_get(params, "path"); |
8b45963b | 1332 | if (value && !bt_value_is_string(value)) { |
56a1cced JG |
1333 | goto error; |
1334 | } | |
1335 | ||
b275e55e | 1336 | value_ret = bt_value_string_get(value, &path_param); |
8b45963b | 1337 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
1a9f7075 | 1338 | BT_PUT(value); |
53ac3428 | 1339 | value = bt_value_map_get(params, "clock-class-offset-s"); |
92540773 | 1340 | if (value) { |
53ac3428 PP |
1341 | if (!bt_value_is_integer(value)) { |
1342 | BT_LOGE("clock-class-offset-s should be an integer"); | |
1343 | goto error; | |
1344 | } | |
b275e55e | 1345 | value_ret = bt_value_integer_get(value, |
53ac3428 | 1346 | &ctf_fs->metadata_config.clock_class_offset_s); |
8b45963b | 1347 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
53ac3428 PP |
1348 | BT_PUT(value); |
1349 | } | |
92540773 | 1350 | |
53ac3428 PP |
1351 | value = bt_value_map_get(params, "clock-class-offset-ns"); |
1352 | if (value) { | |
92540773 | 1353 | if (!bt_value_is_integer(value)) { |
53ac3428 | 1354 | BT_LOGE("clock-class-offset-ns should be an integer"); |
92540773 JD |
1355 | goto error; |
1356 | } | |
b275e55e | 1357 | value_ret = bt_value_integer_get(value, |
53ac3428 | 1358 | &ctf_fs->metadata_config.clock_class_offset_ns); |
8b45963b | 1359 | BT_ASSERT(value_ret == BT_VALUE_STATUS_OK); |
1a9f7075 | 1360 | BT_PUT(value); |
92540773 JD |
1361 | } |
1362 | ||
1a9f7075 PP |
1363 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1364 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1365 | goto error; |
1366 | } | |
1367 | ||
97ade20b JG |
1368 | ctf_fs->traces = g_ptr_array_new_with_free_func( |
1369 | ctf_fs_trace_destroy_notifier); | |
1a9f7075 | 1370 | if (!ctf_fs->traces) { |
599faa1c PP |
1371 | goto error; |
1372 | } | |
1373 | ||
b275e55e | 1374 | if (create_ctf_fs_traces(ctf_fs, path_param)) { |
4f1f88a6 PP |
1375 | goto error; |
1376 | } | |
1377 | ||
1ef09eb5 JG |
1378 | goto end; |
1379 | ||
56a1cced | 1380 | error: |
1a9f7075 | 1381 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1382 | ctf_fs = NULL; |
1a9f7075 | 1383 | ret = bt_private_component_set_user_data(priv_comp, NULL); |
8b45963b | 1384 | BT_ASSERT(ret == BT_COMPONENT_STATUS_OK); |
1a9f7075 | 1385 | |
1ef09eb5 | 1386 | end: |
1a9f7075 | 1387 | bt_put(value); |
56a1cced JG |
1388 | return ctf_fs; |
1389 | } | |
1390 | ||
ea0b4b9e | 1391 | BT_HIDDEN |
4f1f88a6 | 1392 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 1393 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
1394 | { |
1395 | struct ctf_fs_component *ctf_fs; | |
1396 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
1397 | ||
4f1f88a6 | 1398 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e | 1399 | if (!ctf_fs) { |
1a9f7075 | 1400 | ret = BT_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1401 | } |
4c1456f0 | 1402 | |
ea0b4b9e JG |
1403 | return ret; |
1404 | } | |
33f93973 PP |
1405 | |
1406 | BT_HIDDEN | |
fe7265b5 | 1407 | struct bt_component_class_query_method_return ctf_fs_query( |
1286dcbb PP |
1408 | struct bt_component_class *comp_class, |
1409 | struct bt_query_executor *query_exec, | |
a67681c1 | 1410 | const char *object, struct bt_value *params) |
33f93973 | 1411 | { |
fe7265b5 | 1412 | struct bt_component_class_query_method_return ret = { |
1286dcbb PP |
1413 | .result = NULL, |
1414 | .status = BT_QUERY_STATUS_OK, | |
1415 | }; | |
33f93973 | 1416 | |
04c0ba87 | 1417 | if (!strcmp(object, "metadata-info")) { |
1286dcbb | 1418 | ret = metadata_info_query(comp_class, params); |
97ade20b | 1419 | } else if (!strcmp(object, "trace-info")) { |
1286dcbb | 1420 | ret = trace_info_query(comp_class, params); |
33f93973 | 1421 | } else { |
55314f2a | 1422 | BT_LOGE("Unknown query object `%s`", object); |
1286dcbb | 1423 | ret.status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1424 | goto end; |
33f93973 | 1425 | } |
33f93973 | 1426 | end: |
1286dcbb | 1427 | return ret; |
33f93973 | 1428 | } |