Commit | Line | Data |
---|---|---|
7a278c8e | 1 | /* |
ea0b4b9e | 2 | * fs.c |
7a278c8e | 3 | * |
ea0b4b9e | 4 | * Babeltrace CTF file system Reader Component |
7a278c8e | 5 | * |
1a9f7075 | 6 | * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com> |
f3bc2010 | 7 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e | 8 | * |
7a278c8e JG |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
4bd72b60 | 28 | #include <babeltrace/common-internal.h> |
9d408fca | 29 | #include <babeltrace/babeltrace.h> |
7d61fa8e | 30 | #include <plugins-common.h> |
ea0b4b9e | 31 | #include <glib.h> |
f6ccaed9 | 32 | #include <babeltrace/assert-internal.h> |
94cf822e | 33 | #include <inttypes.h> |
c55a9f58 | 34 | #include <stdbool.h> |
56a1cced | 35 | #include "fs.h" |
413bc2c4 | 36 | #include "metadata.h" |
94cf822e | 37 | #include "data-stream-file.h" |
e7a4393b | 38 | #include "file.h" |
1e649dff | 39 | #include "../common/metadata/decoder.h" |
d6e69534 | 40 | #include "../common/msg-iter/msg-iter.h" |
a429c321 | 41 | #include "../common/utils/utils.h" |
04c0ba87 | 42 | #include "query.h" |
e7a4393b | 43 | |
55314f2a JG |
44 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SRC" |
45 | #include "logging.h" | |
ea0b4b9e | 46 | |
94cf822e | 47 | static |
d6e69534 | 48 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
49 | { |
50 | struct ctf_fs_ds_file_info *ds_file_info; | |
51 | int ret = 0; | |
52 | ||
d6e69534 PP |
53 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
54 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 55 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
56 | msg_iter_data->ds_file_group->ds_file_infos, |
57 | msg_iter_data->ds_file_info_index); | |
58 | ||
59 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
60 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
61 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
62 | msg_iter_data->pc_msg_iter, | |
63 | msg_iter_data->msg_iter, | |
64 | msg_iter_data->ds_file_group->stream, | |
97ade20b | 65 | ds_file_info->path->str); |
d6e69534 | 66 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
67 | ret = -1; |
68 | } | |
69 | ||
70 | return ret; | |
71 | } | |
72 | ||
73 | static | |
d6e69534 PP |
74 | void ctf_fs_msg_iter_data_destroy( |
75 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 76 | { |
d6e69534 | 77 | if (!msg_iter_data) { |
94cf822e PP |
78 | return; |
79 | } | |
80 | ||
d6e69534 | 81 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 82 | |
d6e69534 PP |
83 | if (msg_iter_data->msg_iter) { |
84 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
85 | } |
86 | ||
d6e69534 | 87 | g_free(msg_iter_data); |
94cf822e PP |
88 | } |
89 | ||
d4393e08 | 90 | static |
d6e69534 PP |
91 | enum bt_self_message_iterator_status ctf_fs_iterator_next_one( |
92 | struct ctf_fs_msg_iter_data *msg_iter_data, | |
93 | const bt_message **msg) | |
ea0b4b9e | 94 | { |
d6e69534 PP |
95 | enum bt_self_message_iterator_status status; |
96 | bt_message *priv_msg; | |
94cf822e PP |
97 | int ret; |
98 | ||
d6e69534 PP |
99 | BT_ASSERT(msg_iter_data->ds_file); |
100 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &priv_msg); | |
101 | *msg = priv_msg; | |
f42867e2 | 102 | |
d6e69534 PP |
103 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK && |
104 | bt_message_get_type(*msg) == | |
105 | BT_MESSAGE_TYPE_STREAM_BEGINNING) { | |
106 | if (msg_iter_data->skip_stream_begin_msgs) { | |
f42867e2 PP |
107 | /* |
108 | * We already emitted a | |
d6e69534 PP |
109 | * BT_MESSAGE_TYPE_STREAM_BEGINNING |
110 | * message: skip this one, get a new one. | |
f42867e2 | 111 | */ |
d6e69534 PP |
112 | BT_MESSAGE_PUT_REF_AND_RESET(*msg); |
113 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, | |
114 | &priv_msg); | |
115 | *msg = priv_msg; | |
116 | BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_END); | |
f42867e2 PP |
117 | goto end; |
118 | } else { | |
119 | /* | |
d6e69534 PP |
120 | * First BT_MESSAGE_TYPE_STREAM_BEGINNING |
121 | * message: skip all following. | |
f42867e2 | 122 | */ |
d6e69534 | 123 | msg_iter_data->skip_stream_begin_msgs = true; |
f42867e2 PP |
124 | goto end; |
125 | } | |
126 | } | |
127 | ||
d6e69534 PP |
128 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK && |
129 | bt_message_get_type(*msg) == | |
130 | BT_MESSAGE_TYPE_STREAM_END) { | |
131 | msg_iter_data->ds_file_info_index++; | |
94cf822e | 132 | |
d6e69534 PP |
133 | if (msg_iter_data->ds_file_info_index == |
134 | msg_iter_data->ds_file_group->ds_file_infos->len) { | |
94cf822e PP |
135 | /* |
136 | * No more stream files to read: we reached the | |
f42867e2 | 137 | * real end. Emit this |
d6e69534 | 138 | * BT_MESSAGE_TYPE_STREAM_END message. |
f42867e2 | 139 | * The next time ctf_fs_iterator_next() is |
d6e69534 | 140 | * called for this message iterator, |
f42867e2 | 141 | * ctf_fs_ds_file_next() will return |
d6e69534 | 142 | * BT_SELF_MESSAGE_ITERATOR_STATUS_END(). |
94cf822e PP |
143 | */ |
144 | goto end; | |
145 | } | |
146 | ||
d6e69534 PP |
147 | BT_MESSAGE_PUT_REF_AND_RESET(*msg); |
148 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
f42867e2 | 149 | |
94cf822e PP |
150 | /* |
151 | * Open and start reading the next stream file within | |
152 | * our stream file group. | |
153 | */ | |
d6e69534 | 154 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
94cf822e | 155 | if (ret) { |
d6e69534 | 156 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
94cf822e PP |
157 | goto end; |
158 | } | |
159 | ||
d6e69534 PP |
160 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &priv_msg); |
161 | *msg = priv_msg; | |
94cf822e PP |
162 | |
163 | /* | |
d6e69534 PP |
164 | * If we get a message, we expect to get a |
165 | * BT_MESSAGE_TYPE_STREAM_BEGINNING message | |
f42867e2 PP |
166 | * because the iterator's state machine emits one before |
167 | * even requesting the first block of data from the | |
d6e69534 | 168 | * medium. Skip this message because we're not |
f42867e2 | 169 | * really starting a new stream here, and try getting a |
d6e69534 PP |
170 | * new message (which, if it works, is a |
171 | * BT_MESSAGE_TYPE_PACKET_BEGINNING one). We're sure to | |
f42867e2 | 172 | * get at least one pair of |
d6e69534 PP |
173 | * BT_MESSAGE_TYPE_PACKET_BEGINNING and |
174 | * BT_MESSAGE_TYPE_PACKET_END messages in the | |
f42867e2 PP |
175 | * case of a single, empty packet. We know there's at |
176 | * least one packet because the stream file group does | |
177 | * not contain empty stream files. | |
94cf822e | 178 | */ |
d6e69534 PP |
179 | BT_ASSERT(msg_iter_data->skip_stream_begin_msgs); |
180 | ||
181 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
182 | BT_ASSERT(bt_message_get_type(*msg) == | |
183 | BT_MESSAGE_TYPE_STREAM_BEGINNING); | |
184 | BT_MESSAGE_PUT_REF_AND_RESET(*msg); | |
185 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, | |
186 | &priv_msg); | |
187 | *msg = priv_msg; | |
188 | BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_END); | |
f42867e2 | 189 | } |
94cf822e | 190 | } |
d01e0f33 | 191 | |
94cf822e | 192 | end: |
d4393e08 PP |
193 | return status; |
194 | } | |
195 | ||
196 | BT_HIDDEN | |
d6e69534 PP |
197 | enum bt_self_message_iterator_status ctf_fs_iterator_next( |
198 | bt_self_message_iterator *iterator, | |
199 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
200 | uint64_t *count) |
201 | { | |
d6e69534 PP |
202 | enum bt_self_message_iterator_status status = |
203 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
204 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
205 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
206 | uint64_t i = 0; |
207 | ||
d6e69534 PP |
208 | while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
209 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
210 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
211 | i++; |
212 | } | |
213 | } | |
214 | ||
215 | if (i > 0) { | |
216 | /* | |
217 | * Even if ctf_fs_iterator_next_one() returned something | |
d6e69534 PP |
218 | * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
219 | * accumulated message objects in the output | |
220 | * message array, so we need to return | |
221 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are | |
d4393e08 | 222 | * transfered to downstream. This other status occurs |
d6e69534 | 223 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 224 | * called, possibly without any accumulated |
d6e69534 | 225 | * message, in which case we'll return it. |
d4393e08 PP |
226 | */ |
227 | *count = i; | |
d6e69534 | 228 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
229 | } |
230 | ||
231 | return status; | |
ea0b4b9e | 232 | } |
bfd20a42 | 233 | |
d6e69534 | 234 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 235 | { |
d6e69534 PP |
236 | ctf_fs_msg_iter_data_destroy( |
237 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
238 | } |
239 | ||
d6e69534 PP |
240 | enum bt_self_message_iterator_status ctf_fs_iterator_init( |
241 | bt_self_message_iterator *self_msg_iter, | |
b19ff26f PP |
242 | bt_self_component_source *self_comp, |
243 | bt_self_component_port_output *self_port) | |
4c1456f0 | 244 | { |
4f1f88a6 | 245 | struct ctf_fs_port_data *port_data; |
d6e69534 PP |
246 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
247 | enum bt_self_message_iterator_status ret = | |
248 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
94cf822e | 249 | int iret; |
760051fa | 250 | |
d94d92ac | 251 | port_data = bt_self_component_port_get_data( |
707b7d35 | 252 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
253 | self_port)); |
254 | BT_ASSERT(port_data); | |
d6e69534 PP |
255 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
256 | if (!msg_iter_data) { | |
257 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
94cf822e PP |
258 | goto error; |
259 | } | |
260 | ||
d6e69534 PP |
261 | msg_iter_data->pc_msg_iter = self_msg_iter; |
262 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 263 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
6de92955 PP |
264 | bt_common_get_page_size() * 8, |
265 | ctf_fs_ds_file_medops, NULL); | |
d6e69534 PP |
266 | if (!msg_iter_data->msg_iter) { |
267 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
268 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
6de92955 PP |
269 | goto error; |
270 | } | |
271 | ||
d6e69534 PP |
272 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
273 | iret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
94cf822e | 274 | if (iret) { |
d6e69534 | 275 | ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
4f1f88a6 | 276 | goto error; |
760051fa JG |
277 | } |
278 | ||
d6e69534 PP |
279 | bt_self_message_iterator_set_data(self_msg_iter, |
280 | msg_iter_data); | |
281 | if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
4f1f88a6 | 282 | goto error; |
760051fa JG |
283 | } |
284 | ||
d6e69534 | 285 | msg_iter_data = NULL; |
4f1f88a6 | 286 | goto end; |
5b29e799 | 287 | |
4f1f88a6 | 288 | error: |
d6e69534 | 289 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 290 | |
760051fa | 291 | end: |
d6e69534 | 292 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
293 | return ret; |
294 | } | |
295 | ||
760051fa | 296 | static |
1a9f7075 | 297 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 298 | { |
4f1f88a6 | 299 | if (!ctf_fs) { |
8fa760ba JG |
300 | return; |
301 | } | |
4f1f88a6 | 302 | |
1a9f7075 PP |
303 | if (ctf_fs->traces) { |
304 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 305 | } |
4f1f88a6 PP |
306 | |
307 | if (ctf_fs->port_data) { | |
308 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 309 | } |
760051fa | 310 | |
1a9f7075 PP |
311 | g_free(ctf_fs); |
312 | } | |
313 | ||
97ade20b JG |
314 | BT_HIDDEN |
315 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) | |
1a9f7075 | 316 | { |
1a9f7075 PP |
317 | if (!ctf_fs_trace) { |
318 | return; | |
319 | } | |
320 | ||
94cf822e PP |
321 | if (ctf_fs_trace->ds_file_groups) { |
322 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
323 | } | |
324 | ||
c5b9b441 | 325 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 326 | |
1a9f7075 PP |
327 | if (ctf_fs_trace->path) { |
328 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 329 | } |
760051fa | 330 | |
1a9f7075 PP |
331 | if (ctf_fs_trace->name) { |
332 | g_string_free(ctf_fs_trace->name, TRUE); | |
333 | } | |
334 | ||
335 | if (ctf_fs_trace->metadata) { | |
336 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
337 | g_free(ctf_fs_trace->metadata); | |
338 | } | |
339 | ||
1a9f7075 | 340 | g_free(ctf_fs_trace); |
4c1456f0 JG |
341 | } |
342 | ||
97ade20b | 343 | static |
d6e69534 | 344 | void ctf_fs_trace_destroy_msgier(void *data) |
97ade20b JG |
345 | { |
346 | struct ctf_fs_trace *trace = data; | |
347 | ctf_fs_trace_destroy(trace); | |
348 | } | |
349 | ||
b19ff26f | 350 | void ctf_fs_finalize(bt_self_component_source *component) |
a4792757 | 351 | { |
d94d92ac | 352 | ctf_fs_destroy(bt_self_component_get_data( |
707b7d35 | 353 | bt_self_component_source_as_self_component(component))); |
a4792757 JG |
354 | } |
355 | ||
e7a4393b | 356 | static |
4f1f88a6 PP |
357 | void port_data_destroy(void *data) { |
358 | struct ctf_fs_port_data *port_data = data; | |
359 | ||
360 | if (!port_data) { | |
361 | return; | |
362 | } | |
363 | ||
4f1f88a6 | 364 | g_free(port_data); |
5b29e799 JG |
365 | } |
366 | ||
547eacf1 PP |
367 | static |
368 | GString *get_stream_instance_unique_name( | |
369 | struct ctf_fs_ds_file_group *ds_file_group) | |
370 | { | |
371 | GString *name; | |
372 | struct ctf_fs_ds_file_info *ds_file_info; | |
373 | ||
374 | name = g_string_new(NULL); | |
375 | if (!name) { | |
376 | goto end; | |
377 | } | |
378 | ||
379 | /* | |
380 | * If there's more than one stream file in the stream file | |
381 | * group, the first (earliest) stream file's path is used as | |
382 | * the stream's unique name. | |
383 | */ | |
f6ccaed9 | 384 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); |
547eacf1 PP |
385 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); |
386 | g_string_assign(name, ds_file_info->path->str); | |
387 | ||
388 | end: | |
389 | return name; | |
390 | } | |
391 | ||
5b29e799 | 392 | static |
55314f2a JG |
393 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
394 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 395 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 396 | { |
4f1f88a6 | 397 | int ret = 0; |
4f1f88a6 PP |
398 | struct ctf_fs_port_data *port_data = NULL; |
399 | GString *port_name = NULL; | |
400 | ||
547eacf1 | 401 | port_name = get_stream_instance_unique_name(ds_file_group); |
4f1f88a6 PP |
402 | if (!port_name) { |
403 | goto error; | |
404 | } | |
405 | ||
55314f2a | 406 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
407 | |
408 | /* Create output port for this file */ | |
4f1f88a6 PP |
409 | port_data = g_new0(struct ctf_fs_port_data, 1); |
410 | if (!port_data) { | |
411 | goto error; | |
412 | } | |
413 | ||
5c563278 | 414 | port_data->ctf_fs = ctf_fs; |
94cf822e | 415 | port_data->ds_file_group = ds_file_group; |
d94d92ac PP |
416 | ret = bt_self_component_source_add_output_port( |
417 | ctf_fs->self_comp, port_name->str, port_data, NULL); | |
147337a3 | 418 | if (ret) { |
4f1f88a6 PP |
419 | goto error; |
420 | } | |
421 | ||
422 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
423 | port_data = NULL; | |
424 | goto end; | |
425 | ||
426 | error: | |
427 | ret = -1; | |
428 | ||
429 | end: | |
430 | if (port_name) { | |
431 | g_string_free(port_name, TRUE); | |
432 | } | |
433 | ||
4f1f88a6 PP |
434 | port_data_destroy(port_data); |
435 | return ret; | |
5b29e799 JG |
436 | } |
437 | ||
438 | static | |
55314f2a JG |
439 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
440 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
441 | { |
442 | int ret = 0; | |
94cf822e PP |
443 | size_t i; |
444 | ||
445 | /* Create one output port for each stream file group */ | |
446 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
447 | struct ctf_fs_ds_file_group *ds_file_group = | |
448 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
449 | ||
55314f2a JG |
450 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
451 | ds_file_group); | |
94cf822e | 452 | if (ret) { |
55314f2a | 453 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
454 | goto end; |
455 | } | |
456 | } | |
457 | ||
458 | end: | |
459 | return ret; | |
460 | } | |
461 | ||
94cf822e PP |
462 | static |
463 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
464 | { | |
465 | if (!ds_file_info) { | |
466 | return; | |
467 | } | |
468 | ||
469 | if (ds_file_info->path) { | |
470 | g_string_free(ds_file_info->path, TRUE); | |
471 | } | |
472 | ||
97ade20b | 473 | ctf_fs_ds_index_destroy(ds_file_info->index); |
94cf822e PP |
474 | g_free(ds_file_info); |
475 | } | |
476 | ||
477 | static | |
478 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
44c440bc | 479 | int64_t begin_ns, struct ctf_fs_ds_index *index) |
94cf822e PP |
480 | { |
481 | struct ctf_fs_ds_file_info *ds_file_info; | |
482 | ||
483 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
484 | if (!ds_file_info) { | |
485 | goto end; | |
486 | } | |
487 | ||
488 | ds_file_info->path = g_string_new(path); | |
489 | if (!ds_file_info->path) { | |
490 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
491 | ds_file_info = NULL; | |
492 | goto end; | |
493 | } | |
494 | ||
495 | ds_file_info->begin_ns = begin_ns; | |
97ade20b JG |
496 | ds_file_info->index = index; |
497 | index = NULL; | |
94cf822e PP |
498 | |
499 | end: | |
97ade20b | 500 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
501 | return ds_file_info; |
502 | } | |
503 | ||
504 | static | |
505 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
506 | { | |
507 | if (!ds_file_group) { | |
508 | return; | |
509 | } | |
510 | ||
511 | if (ds_file_group->ds_file_infos) { | |
512 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
513 | } | |
514 | ||
c5b9b441 PP |
515 | bt_stream_put_ref(ds_file_group->stream); |
516 | bt_stream_class_put_ref(ds_file_group->stream_class); | |
94cf822e PP |
517 | g_free(ds_file_group); |
518 | } | |
519 | ||
520 | static | |
521 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
522 | struct ctf_fs_trace *ctf_fs_trace, | |
b19ff26f | 523 | bt_stream_class *stream_class, |
94cf822e PP |
524 | uint64_t stream_instance_id) |
525 | { | |
526 | struct ctf_fs_ds_file_group *ds_file_group; | |
527 | ||
94cf822e PP |
528 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
529 | if (!ds_file_group) { | |
530 | goto error; | |
531 | } | |
532 | ||
533 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
534 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
535 | if (!ds_file_group->ds_file_infos) { | |
536 | goto error; | |
537 | } | |
538 | ||
547eacf1 | 539 | ds_file_group->stream_id = stream_instance_id; |
f6ccaed9 | 540 | BT_ASSERT(stream_class); |
398454ed | 541 | ds_file_group->stream_class = stream_class; |
c5b9b441 | 542 | bt_stream_class_get_ref(ds_file_group->stream_class); |
94cf822e | 543 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
544 | goto end; |
545 | ||
546 | error: | |
547 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
548 | ds_file_group = NULL; | |
549 | ||
550 | end: | |
551 | return ds_file_group; | |
552 | } | |
553 | ||
8bf7105e MJ |
554 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
555 | static | |
556 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
557 | { | |
558 | size_t original_array_len = array->len; | |
559 | ||
560 | /* Allocate an unused element at the end of the array. */ | |
561 | g_ptr_array_add(array, NULL); | |
562 | ||
563 | /* If we are not inserting at the end, move the elements by one. */ | |
564 | if (pos < original_array_len) { | |
565 | memmove(&(array->pdata[pos + 1]), | |
566 | &(array->pdata[pos]), | |
567 | (original_array_len - pos) * sizeof(gpointer)); | |
568 | } | |
569 | ||
570 | /* Insert the value and bump the array len */ | |
571 | array->pdata[pos] = element; | |
572 | } | |
573 | ||
94cf822e PP |
574 | static |
575 | int ctf_fs_ds_file_group_add_ds_file_info( | |
576 | struct ctf_fs_ds_file_group *ds_file_group, | |
44c440bc | 577 | const char *path, int64_t begin_ns, |
97ade20b | 578 | struct ctf_fs_ds_index *index) |
94cf822e PP |
579 | { |
580 | struct ctf_fs_ds_file_info *ds_file_info; | |
581 | gint i = 0; | |
582 | int ret = 0; | |
583 | ||
97ade20b JG |
584 | /* Onwership of index is transferred. */ |
585 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index); | |
586 | index = NULL; | |
94cf822e PP |
587 | if (!ds_file_info) { |
588 | goto error; | |
589 | } | |
590 | ||
591 | /* Find a spot to insert this one */ | |
592 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
593 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
594 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
595 | ||
596 | if (begin_ns < other_ds_file_info->begin_ns) { | |
597 | break; | |
598 | } | |
599 | } | |
600 | ||
8bf7105e | 601 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); |
94cf822e PP |
602 | ds_file_info = NULL; |
603 | goto end; | |
604 | ||
605 | error: | |
606 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
97ade20b | 607 | ctf_fs_ds_index_destroy(index); |
94cf822e | 608 | ret = -1; |
94cf822e PP |
609 | end: |
610 | return ret; | |
611 | } | |
612 | ||
613 | static | |
614 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 615 | const char *path) |
94cf822e | 616 | { |
b19ff26f | 617 | bt_stream_class *stream_class = NULL; |
44c440bc PP |
618 | int64_t stream_instance_id = -1; |
619 | int64_t begin_ns = -1; | |
94cf822e PP |
620 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
621 | bool add_group = false; | |
622 | int ret; | |
623 | size_t i; | |
6de92955 | 624 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 625 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 626 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 627 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 628 | struct bt_msg_iter_packet_properties props; |
94cf822e | 629 | |
d6e69534 | 630 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
6de92955 | 631 | bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL); |
d6e69534 PP |
632 | if (!msg_iter) { |
633 | BT_LOGE_STR("Cannot create a CTF message iterator."); | |
6de92955 PP |
634 | goto error; |
635 | } | |
636 | ||
d6e69534 | 637 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
5c563278 | 638 | NULL, path); |
97ade20b JG |
639 | if (!ds_file) { |
640 | goto error; | |
641 | } | |
642 | ||
312c056a | 643 | ret = ctf_fs_ds_file_borrow_packet_header_context_fields(ds_file, |
44c440bc | 644 | NULL, NULL); |
94cf822e | 645 | if (ret) { |
55314f2a | 646 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
647 | path); |
648 | goto error; | |
649 | } | |
650 | ||
d6e69534 | 651 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
44c440bc PP |
652 | BT_ASSERT(ret == 0); |
653 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, | |
654 | props.stream_class_id); | |
655 | BT_ASSERT(sc); | |
656 | stream_class = sc->ir_sc; | |
657 | BT_ASSERT(stream_class); | |
658 | stream_instance_id = props.data_stream_id; | |
659 | ||
660 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
661 | BT_ASSERT(sc->default_clock_class); | |
662 | ret = bt_clock_class_cycles_to_ns_from_origin( | |
40f4ba76 | 663 | sc->default_clock_class, |
44c440bc PP |
664 | props.snapshots.beginning_clock, &begin_ns); |
665 | if (ret) { | |
666 | BT_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", | |
667 | path); | |
668 | goto error; | |
669 | } | |
94cf822e PP |
670 | } |
671 | ||
97ade20b JG |
672 | index = ctf_fs_ds_file_build_index(ds_file); |
673 | if (!index) { | |
674 | BT_LOGW("Failed to index CTF stream file \'%s\'", | |
675 | ds_file->file->path->str); | |
676 | } | |
677 | ||
44c440bc | 678 | if (begin_ns == -1) { |
94cf822e PP |
679 | /* |
680 | * No beggining timestamp to sort the stream files | |
681 | * within a stream file group, so consider that this | |
682 | * file must be the only one within its group. | |
683 | */ | |
44c440bc | 684 | stream_instance_id = -1; |
94cf822e PP |
685 | } |
686 | ||
44c440bc | 687 | if (stream_instance_id == -1) { |
94cf822e PP |
688 | /* |
689 | * No stream instance ID or no beginning timestamp: | |
690 | * create a unique stream file group for this stream | |
691 | * file because, even if there's a stream instance ID, | |
692 | * there's no timestamp to order the file within its | |
693 | * group. | |
694 | */ | |
94cf822e PP |
695 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
696 | stream_class, stream_instance_id); | |
697 | if (!ds_file_group) { | |
698 | goto error; | |
699 | } | |
700 | ||
701 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
547eacf1 | 702 | path, begin_ns, index); |
97ade20b JG |
703 | /* Ownership of index is transferred. */ |
704 | index = NULL; | |
94cf822e PP |
705 | if (ret) { |
706 | goto error; | |
707 | } | |
708 | ||
709 | add_group = true; | |
710 | goto end; | |
711 | } | |
712 | ||
44c440bc PP |
713 | BT_ASSERT(stream_instance_id != -1); |
714 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
715 | |
716 | /* Find an existing stream file group with this ID */ | |
717 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
718 | ds_file_group = g_ptr_array_index( |
719 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 720 | |
547eacf1 PP |
721 | if (ds_file_group->stream_class == stream_class && |
722 | ds_file_group->stream_id == | |
723 | stream_instance_id) { | |
94cf822e PP |
724 | break; |
725 | } | |
726 | ||
727 | ds_file_group = NULL; | |
728 | } | |
729 | ||
730 | if (!ds_file_group) { | |
731 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
732 | stream_class, stream_instance_id); | |
733 | if (!ds_file_group) { | |
734 | goto error; | |
735 | } | |
736 | ||
737 | add_group = true; | |
738 | } | |
739 | ||
547eacf1 PP |
740 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
741 | begin_ns, index); | |
97ade20b | 742 | index = NULL; |
94cf822e PP |
743 | if (ret) { |
744 | goto error; | |
745 | } | |
746 | ||
747 | goto end; | |
748 | ||
749 | error: | |
750 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
751 | ret = -1; | |
752 | ||
753 | end: | |
754 | if (add_group && ds_file_group) { | |
755 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
756 | } | |
547eacf1 | 757 | |
97ade20b | 758 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 759 | |
d6e69534 PP |
760 | if (msg_iter) { |
761 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
762 | } |
763 | ||
97ade20b | 764 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
765 | return ret; |
766 | } | |
767 | ||
768 | static | |
e5be10ef | 769 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
770 | { |
771 | int ret = 0; | |
4f1f88a6 | 772 | const char *basename; |
e7a4393b | 773 | GError *error = NULL; |
4f1f88a6 | 774 | GDir *dir = NULL; |
547eacf1 | 775 | size_t i; |
e7a4393b | 776 | |
94cf822e | 777 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 778 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 779 | if (!dir) { |
55314f2a | 780 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 781 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 782 | error->code); |
e7a4393b JG |
783 | goto error; |
784 | } | |
785 | ||
4f1f88a6 | 786 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
787 | struct ctf_fs_file *file; |
788 | ||
4f1f88a6 | 789 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 790 | /* Ignore the metadata stream. */ |
3743a302 | 791 | BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 792 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
793 | continue; |
794 | } | |
795 | ||
4f1f88a6 | 796 | if (basename[0] == '.') { |
3743a302 | 797 | BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 798 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
799 | continue; |
800 | } | |
801 | ||
802 | /* Create the file. */ | |
55314f2a | 803 | file = ctf_fs_file_create(); |
e7a4393b | 804 | if (!file) { |
3743a302 | 805 | BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 806 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
807 | goto error; |
808 | } | |
809 | ||
810 | /* Create full path string. */ | |
3743a302 | 811 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 812 | ctf_fs_trace->path->str, basename); |
e7a4393b | 813 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 814 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 815 | file->path->str); |
e7a4393b | 816 | ctf_fs_file_destroy(file); |
4f1f88a6 | 817 | file = NULL; |
e7a4393b JG |
818 | continue; |
819 | } | |
820 | ||
55314f2a | 821 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 822 | if (ret) { |
55314f2a | 823 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
824 | goto error; |
825 | } | |
826 | ||
9fa0891a JG |
827 | if (file->size == 0) { |
828 | /* Skip empty stream. */ | |
55314f2a | 829 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
830 | ctf_fs_file_destroy(file); |
831 | continue; | |
832 | } | |
833 | ||
e5be10ef | 834 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 835 | file->path->str); |
4f1f88a6 | 836 | if (ret) { |
89b08333 | 837 | BT_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 838 | file->path->str); |
94cf822e | 839 | ctf_fs_file_destroy(file); |
e7a4393b JG |
840 | goto error; |
841 | } | |
842 | ||
4f1f88a6 | 843 | ctf_fs_file_destroy(file); |
e7a4393b JG |
844 | } |
845 | ||
547eacf1 PP |
846 | /* |
847 | * At this point, DS file groupes are created, but their | |
848 | * associated stream objects do not exist yet. This is because | |
849 | * we need to name the created stream object with the data | |
850 | * stream file's path. We have everything we need here to do | |
851 | * this. | |
852 | */ | |
853 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
854 | struct ctf_fs_ds_file_group *ds_file_group = | |
855 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
856 | GString *name = get_stream_instance_unique_name(ds_file_group); | |
857 | ||
858 | if (!name) { | |
859 | goto error; | |
860 | } | |
861 | ||
44c440bc | 862 | if (ds_file_group->stream_id == UINT64_C(-1)) { |
3dca2276 | 863 | /* No stream ID: use 0 */ |
40f4ba76 | 864 | ds_file_group->stream = bt_stream_create_with_id( |
44c440bc | 865 | ds_file_group->stream_class, |
862ca4ed | 866 | ctf_fs_trace->trace, |
3dca2276 PP |
867 | ctf_fs_trace->next_stream_id); |
868 | ctf_fs_trace->next_stream_id++; | |
547eacf1 PP |
869 | } else { |
870 | /* Specific stream ID */ | |
40f4ba76 | 871 | ds_file_group->stream = bt_stream_create_with_id( |
44c440bc | 872 | ds_file_group->stream_class, |
862ca4ed | 873 | ctf_fs_trace->trace, |
44c440bc | 874 | (uint64_t) ds_file_group->stream_id); |
547eacf1 PP |
875 | } |
876 | ||
7742909c | 877 | if (!ds_file_group->stream) { |
547eacf1 PP |
878 | BT_LOGE("Cannot create stream for DS file group: " |
879 | "addr=%p, stream-name=\"%s\"", | |
880 | ds_file_group, name->str); | |
44c440bc PP |
881 | g_string_free(name, TRUE); |
882 | goto error; | |
883 | } | |
884 | ||
40f4ba76 | 885 | ret = bt_stream_set_name(ds_file_group->stream, |
e5be10ef | 886 | name->str); |
44c440bc PP |
887 | if (ret) { |
888 | BT_LOGE("Cannot set stream's name: " | |
889 | "addr=%p, stream-name=\"%s\"", | |
890 | ds_file_group->stream, name->str); | |
891 | g_string_free(name, TRUE); | |
547eacf1 PP |
892 | goto error; |
893 | } | |
44c440bc PP |
894 | |
895 | g_string_free(name, TRUE); | |
547eacf1 PP |
896 | } |
897 | ||
e7a4393b | 898 | goto end; |
4f1f88a6 | 899 | |
e7a4393b JG |
900 | error: |
901 | ret = -1; | |
4f1f88a6 | 902 | |
e7a4393b JG |
903 | end: |
904 | if (dir) { | |
905 | g_dir_close(dir); | |
906 | dir = NULL; | |
907 | } | |
4f1f88a6 | 908 | |
e7a4393b JG |
909 | if (error) { |
910 | g_error_free(error); | |
911 | } | |
5b29e799 | 912 | |
91457551 | 913 | return ret; |
5b29e799 JG |
914 | } |
915 | ||
862ca4ed | 916 | static |
b19ff26f | 917 | int set_trace_name(bt_trace *trace, const char *name_suffix) |
862ca4ed PP |
918 | { |
919 | int ret = 0; | |
b19ff26f PP |
920 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
921 | const bt_value *val; | |
862ca4ed PP |
922 | GString *name; |
923 | ||
924 | name = g_string_new(NULL); | |
925 | if (!name) { | |
926 | BT_LOGE_STR("Failed to allocate a GString."); | |
927 | ret = -1; | |
928 | goto end; | |
929 | } | |
930 | ||
931 | /* | |
932 | * Check if we have a trace environment string value named `hostname`. | |
933 | * If so, use it as the trace name's prefix. | |
934 | */ | |
935 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
936 | tc, "hostname"); | |
937 | if (val && bt_value_is_string(val)) { | |
938 | g_string_append(name, bt_value_string_get(val)); | |
939 | ||
940 | if (name_suffix) { | |
941 | g_string_append_c(name, G_DIR_SEPARATOR); | |
942 | } | |
943 | } | |
944 | ||
945 | if (name_suffix) { | |
946 | g_string_append(name, name_suffix); | |
947 | } | |
948 | ||
949 | ret = bt_trace_set_name(trace, name->str); | |
950 | if (ret) { | |
951 | goto end; | |
952 | } | |
953 | ||
954 | goto end; | |
955 | ||
956 | end: | |
957 | if (name) { | |
958 | g_string_free(name, TRUE); | |
959 | } | |
960 | ||
961 | return ret; | |
962 | } | |
963 | ||
97ade20b | 964 | BT_HIDDEN |
55314f2a | 965 | struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
e5be10ef | 966 | struct ctf_fs_metadata_config *metadata_config) |
1a9f7075 PP |
967 | { |
968 | struct ctf_fs_trace *ctf_fs_trace; | |
969 | int ret; | |
970 | ||
971 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
972 | if (!ctf_fs_trace) { | |
973 | goto end; | |
974 | } | |
975 | ||
1a9f7075 PP |
976 | ctf_fs_trace->path = g_string_new(path); |
977 | if (!ctf_fs_trace->path) { | |
978 | goto error; | |
979 | } | |
980 | ||
981 | ctf_fs_trace->name = g_string_new(name); | |
982 | if (!ctf_fs_trace->name) { | |
983 | goto error; | |
984 | } | |
985 | ||
986 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
987 | if (!ctf_fs_trace->metadata) { | |
988 | goto error; | |
989 | } | |
990 | ||
44c440bc | 991 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
992 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
993 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
994 | if (!ctf_fs_trace->ds_file_groups) { | |
995 | goto error; | |
996 | } | |
997 | ||
862ca4ed PP |
998 | ret = ctf_fs_metadata_set_trace_class(ctf_fs_trace, metadata_config); |
999 | if (ret) { | |
1000 | goto error; | |
1001 | } | |
1002 | ||
1003 | ctf_fs_trace->trace = | |
1004 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1005 | if (!ctf_fs_trace->trace) { | |
1006 | goto error; | |
1007 | } | |
1008 | ||
1009 | ret = set_trace_name(ctf_fs_trace->trace, name); | |
1a9f7075 PP |
1010 | if (ret) { |
1011 | goto error; | |
1012 | } | |
1013 | ||
e5be10ef | 1014 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
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 | */ | |
862ca4ed | 1024 | (void) bt_trace_make_static(ctf_fs_trace->trace); |
27d1a78b | 1025 | |
1a9f7075 PP |
1026 | goto end; |
1027 | ||
1028 | error: | |
1029 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1030 | ctf_fs_trace = NULL; | |
44c440bc | 1031 | |
1a9f7075 PP |
1032 | end: |
1033 | return ctf_fs_trace; | |
1034 | } | |
1035 | ||
1036 | static | |
1037 | int path_is_ctf_trace(const char *path) | |
1038 | { | |
1039 | GString *metadata_path = g_string_new(NULL); | |
1040 | int ret = 0; | |
1041 | ||
1042 | if (!metadata_path) { | |
1043 | ret = -1; | |
1044 | goto end; | |
1045 | } | |
1046 | ||
3743a302 | 1047 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1048 | |
1049 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1050 | ret = 1; | |
1051 | goto end; | |
1052 | } | |
1053 | ||
1054 | end: | |
1055 | g_string_free(metadata_path, TRUE); | |
1056 | return ret; | |
1057 | } | |
1058 | ||
1059 | static | |
55314f2a | 1060 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 1061 | { |
4bd72b60 | 1062 | GString *norm_path = NULL; |
1a9f7075 | 1063 | int ret = 0; |
1a9f7075 | 1064 | |
4bd72b60 PP |
1065 | norm_path = bt_common_normalize_path(path, NULL); |
1066 | if (!norm_path) { | |
55314f2a | 1067 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1068 | ret = -1; |
1069 | goto end; | |
1070 | } | |
1071 | ||
3743a302 | 1072 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1073 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 1074 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1075 | ret = -1; |
1076 | goto end; | |
1077 | } | |
1078 | ||
4bd72b60 | 1079 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1080 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1081 | norm_path = NULL; |
1a9f7075 PP |
1082 | |
1083 | end: | |
4bd72b60 PP |
1084 | if (norm_path) { |
1085 | g_string_free(norm_path, TRUE); | |
1086 | } | |
1087 | ||
1a9f7075 PP |
1088 | return ret; |
1089 | } | |
1090 | ||
55314f2a JG |
1091 | BT_HIDDEN |
1092 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
1093 | { |
1094 | int ret; | |
1095 | GError *error = NULL; | |
1096 | GDir *dir = NULL; | |
1097 | const char *basename = NULL; | |
1098 | ||
1099 | /* Check if the starting path is a CTF trace itself */ | |
1100 | ret = path_is_ctf_trace(start_path); | |
1101 | if (ret < 0) { | |
1102 | goto end; | |
1103 | } | |
1104 | ||
1105 | if (ret) { | |
1106 | /* | |
4bd72b60 PP |
1107 | * Stop recursion: a CTF trace cannot contain another |
1108 | * CTF trace. | |
1a9f7075 | 1109 | */ |
55314f2a | 1110 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1111 | goto end; |
1112 | } | |
1113 | ||
1114 | /* Look for subdirectories */ | |
1115 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1116 | /* Starting path is not a directory: end of recursion */ | |
1117 | goto end; | |
1118 | } | |
1119 | ||
1120 | dir = g_dir_open(start_path, 0, &error); | |
1121 | if (!dir) { | |
1122 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1123 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1124 | start_path, error->message, error->code); |
1125 | goto end; | |
1126 | } | |
1127 | ||
55314f2a | 1128 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1129 | start_path, error->message, error->code); |
1130 | ret = -1; | |
1131 | goto end; | |
1132 | } | |
1133 | ||
1134 | while ((basename = g_dir_read_name(dir))) { | |
1135 | GString *sub_path = g_string_new(NULL); | |
1136 | ||
1137 | if (!sub_path) { | |
1138 | ret = -1; | |
1139 | goto end; | |
1140 | } | |
1141 | ||
3743a302 | 1142 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
55314f2a | 1143 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1144 | g_string_free(sub_path, TRUE); |
1145 | if (ret) { | |
1146 | goto end; | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | end: | |
1151 | if (dir) { | |
1152 | g_dir_close(dir); | |
1153 | } | |
1154 | ||
1155 | if (error) { | |
1156 | g_error_free(error); | |
1157 | } | |
1158 | ||
1159 | return ret; | |
1160 | } | |
1161 | ||
55314f2a JG |
1162 | BT_HIDDEN |
1163 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1164 | GList *trace_names = NULL; |
1a9f7075 | 1165 | GList *node; |
4bd72b60 PP |
1166 | const char *last_sep; |
1167 | size_t base_dist; | |
1a9f7075 PP |
1168 | |
1169 | /* | |
4bd72b60 PP |
1170 | * At this point we know that all the trace paths are |
1171 | * normalized, and so is the base path. This means that | |
1172 | * they are absolute and they don't end with a separator. | |
1173 | * We can simply find the location of the last separator | |
1174 | * in the base path, which gives us the name of the actual | |
1175 | * directory to look into, and use this location as the | |
1176 | * start of each trace name within each trace path. | |
1177 | * | |
1178 | * For example: | |
1179 | * | |
1180 | * Base path: /home/user/my-traces/some-trace | |
1181 | * Trace paths: | |
1182 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1183 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1184 | * - /home/user/my-traces/some-trace/host2/trace | |
1185 | * - /home/user/my-traces/some-trace/other-trace | |
1186 | * | |
1187 | * In this case the trace names are: | |
1188 | * | |
1189 | * - some-trace/host1/trace1 | |
1190 | * - some-trace/host1/trace2 | |
1191 | * - some-trace/host2/trace | |
1192 | * - some-trace/other-trace | |
1a9f7075 | 1193 | */ |
4bd72b60 | 1194 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1195 | |
4bd72b60 | 1196 | /* We know there's at least one separator */ |
f6ccaed9 | 1197 | BT_ASSERT(last_sep); |
1a9f7075 | 1198 | |
4bd72b60 PP |
1199 | /* Distance to base */ |
1200 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1201 | |
1202 | /* Create the trace names */ | |
1203 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1204 | GString *trace_name = g_string_new(NULL); | |
1205 | GString *trace_path = node->data; | |
1206 | ||
f6ccaed9 | 1207 | BT_ASSERT(trace_name); |
4bd72b60 | 1208 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1209 | trace_names = g_list_append(trace_names, trace_name); |
1210 | } | |
1211 | ||
1212 | return trace_names; | |
1213 | } | |
1214 | ||
1215 | static | |
1216 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1217 | const char *path_param) | |
1218 | { | |
1219 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1220 | int ret = 0; | |
4bd72b60 | 1221 | GString *norm_path = NULL; |
1a9f7075 PP |
1222 | GList *trace_paths = NULL; |
1223 | GList *trace_names = NULL; | |
1224 | GList *tp_node; | |
1225 | GList *tn_node; | |
1226 | ||
4bd72b60 PP |
1227 | norm_path = bt_common_normalize_path(path_param, NULL); |
1228 | if (!norm_path) { | |
55314f2a | 1229 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1230 | path_param); |
1231 | goto error; | |
1232 | } | |
1233 | ||
55314f2a | 1234 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1235 | if (ret) { |
1236 | goto error; | |
1237 | } | |
1238 | ||
1239 | if (!trace_paths) { | |
55314f2a | 1240 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1241 | path_param); |
1242 | goto error; | |
1243 | } | |
1244 | ||
55314f2a | 1245 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1246 | if (!trace_names) { |
55314f2a | 1247 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1248 | goto error; |
1249 | } | |
1250 | ||
1251 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1252 | tp_node = g_list_next(tp_node), | |
1253 | tn_node = g_list_next(tn_node)) { | |
1254 | GString *trace_path = tp_node->data; | |
1255 | GString *trace_name = tn_node->data; | |
1256 | ||
55314f2a | 1257 | ctf_fs_trace = ctf_fs_trace_create(trace_path->str, |
e5be10ef | 1258 | trace_name->str, &ctf_fs->metadata_config); |
1a9f7075 | 1259 | if (!ctf_fs_trace) { |
55314f2a | 1260 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1261 | trace_path->str); |
1262 | goto error; | |
1263 | } | |
52c5fe74 | 1264 | |
55314f2a JG |
1265 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1266 | if (ret) { | |
1267 | goto error; | |
1268 | } | |
1269 | ||
52c5fe74 PP |
1270 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1271 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1272 | } |
1273 | ||
1a9f7075 PP |
1274 | goto end; |
1275 | ||
1276 | error: | |
1277 | ret = -1; | |
1278 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1279 | ||
1280 | end: | |
1281 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1282 | if (tp_node->data) { | |
1283 | g_string_free(tp_node->data, TRUE); | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1288 | if (tn_node->data) { | |
1289 | g_string_free(tn_node->data, TRUE); | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | if (trace_paths) { | |
1294 | g_list_free(trace_paths); | |
1295 | } | |
1296 | ||
1297 | if (trace_names) { | |
1298 | g_list_free(trace_names); | |
1299 | } | |
1300 | ||
4bd72b60 PP |
1301 | if (norm_path) { |
1302 | g_string_free(norm_path, TRUE); | |
1303 | } | |
1304 | ||
1a9f7075 PP |
1305 | return ret; |
1306 | } | |
1307 | ||
5b29e799 | 1308 | static |
d94d92ac | 1309 | struct ctf_fs_component *ctf_fs_create( |
b19ff26f PP |
1310 | bt_self_component_source *self_comp, |
1311 | const bt_value *params) | |
56a1cced JG |
1312 | { |
1313 | struct ctf_fs_component *ctf_fs; | |
b19ff26f | 1314 | const bt_value *value = NULL; |
1a9f7075 | 1315 | const char *path_param; |
56a1cced JG |
1316 | |
1317 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1318 | if (!ctf_fs) { | |
1319 | goto end; | |
1320 | } | |
1321 | ||
d94d92ac | 1322 | bt_self_component_set_data( |
707b7d35 | 1323 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1324 | ctf_fs); |
1a9f7075 | 1325 | |
4f1f88a6 PP |
1326 | /* |
1327 | * We don't need to get a new reference here because as long as | |
1328 | * our private ctf_fs_component object exists, the containing | |
1329 | * private component should also exist. | |
1330 | */ | |
d94d92ac | 1331 | ctf_fs->self_comp = self_comp; |
05e21286 | 1332 | value = bt_value_map_borrow_entry_value_const(params, "path"); |
f6ccaed9 | 1333 | if (value && !bt_value_is_string(value)) { |
56a1cced JG |
1334 | goto error; |
1335 | } | |
1336 | ||
601b0d3c | 1337 | path_param = bt_value_string_get(value); |
05e21286 PP |
1338 | value = bt_value_map_borrow_entry_value_const(params, |
1339 | "clock-class-offset-s"); | |
92540773 | 1340 | if (value) { |
a2a54545 PP |
1341 | if (!bt_value_is_integer(value)) { |
1342 | BT_LOGE("clock-class-offset-s should be an integer"); | |
1343 | goto error; | |
1344 | } | |
601b0d3c | 1345 | ctf_fs->metadata_config.clock_class_offset_s = bt_value_integer_get(value); |
a2a54545 | 1346 | } |
92540773 | 1347 | |
05e21286 PP |
1348 | value = bt_value_map_borrow_entry_value_const(params, |
1349 | "clock-class-offset-ns"); | |
a2a54545 | 1350 | if (value) { |
92540773 | 1351 | if (!bt_value_is_integer(value)) { |
a2a54545 | 1352 | BT_LOGE("clock-class-offset-ns should be an integer"); |
92540773 JD |
1353 | goto error; |
1354 | } | |
601b0d3c | 1355 | ctf_fs->metadata_config.clock_class_offset_ns = bt_value_integer_get(value); |
92540773 JD |
1356 | } |
1357 | ||
1a9f7075 PP |
1358 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1359 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1360 | goto error; |
1361 | } | |
1362 | ||
97ade20b | 1363 | ctf_fs->traces = g_ptr_array_new_with_free_func( |
d6e69534 | 1364 | ctf_fs_trace_destroy_msgier); |
1a9f7075 | 1365 | if (!ctf_fs->traces) { |
599faa1c PP |
1366 | goto error; |
1367 | } | |
1368 | ||
3faba6d4 | 1369 | if (create_ctf_fs_traces(ctf_fs, path_param)) { |
4f1f88a6 PP |
1370 | goto error; |
1371 | } | |
1372 | ||
1ef09eb5 JG |
1373 | goto end; |
1374 | ||
56a1cced | 1375 | error: |
1a9f7075 | 1376 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1377 | ctf_fs = NULL; |
d94d92ac | 1378 | bt_self_component_set_data( |
707b7d35 | 1379 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 1380 | NULL); |
1a9f7075 | 1381 | |
1ef09eb5 | 1382 | end: |
56a1cced JG |
1383 | return ctf_fs; |
1384 | } | |
1385 | ||
ea0b4b9e | 1386 | BT_HIDDEN |
d94d92ac | 1387 | enum bt_self_component_status ctf_fs_init( |
b19ff26f PP |
1388 | bt_self_component_source *self_comp, |
1389 | const bt_value *params, UNUSED_VAR void *init_method_data) | |
ea0b4b9e JG |
1390 | { |
1391 | struct ctf_fs_component *ctf_fs; | |
d94d92ac | 1392 | enum bt_self_component_status ret = BT_SELF_COMPONENT_STATUS_OK; |
ea0b4b9e | 1393 | |
d94d92ac | 1394 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1395 | if (!ctf_fs) { |
d94d92ac | 1396 | ret = BT_SELF_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1397 | } |
4c1456f0 | 1398 | |
ea0b4b9e JG |
1399 | return ret; |
1400 | } | |
33f93973 PP |
1401 | |
1402 | BT_HIDDEN | |
d94d92ac | 1403 | enum bt_query_status ctf_fs_query( |
b19ff26f PP |
1404 | bt_self_component_class_source *comp_class, |
1405 | const bt_query_executor *query_exec, | |
1406 | const char *object, const bt_value *params, | |
1407 | const bt_value **result) | |
33f93973 | 1408 | { |
d94d92ac | 1409 | enum bt_query_status status = BT_QUERY_STATUS_OK; |
33f93973 | 1410 | |
04c0ba87 | 1411 | if (!strcmp(object, "metadata-info")) { |
d94d92ac | 1412 | status = metadata_info_query(comp_class, params, result); |
97ade20b | 1413 | } else if (!strcmp(object, "trace-info")) { |
d94d92ac | 1414 | status = trace_info_query(comp_class, params, result); |
33f93973 | 1415 | } else { |
55314f2a | 1416 | BT_LOGE("Unknown query object `%s`", object); |
d94d92ac | 1417 | status = BT_QUERY_STATUS_INVALID_OBJECT; |
04c0ba87 | 1418 | goto end; |
33f93973 | 1419 | } |
33f93973 | 1420 | end: |
d94d92ac | 1421 | return status; |
33f93973 | 1422 | } |