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 | ||
4c65a157 | 28 | #define BT_COMP_LOG_SELF_COMP self_comp |
98903a3e PP |
29 | #define BT_LOG_OUTPUT_LEVEL log_level |
30 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS" | |
4c65a157 | 31 | #include "plugins/comp-logging.h" |
98903a3e | 32 | |
578e048b | 33 | #include "common/common.h" |
3fadfbc0 | 34 | #include <babeltrace2/babeltrace.h> |
578e048b | 35 | #include "compat/uuid.h" |
ea0b4b9e | 36 | #include <glib.h> |
578e048b | 37 | #include "common/assert.h" |
94cf822e | 38 | #include <inttypes.h> |
c55a9f58 | 39 | #include <stdbool.h> |
56a1cced | 40 | #include "fs.h" |
413bc2c4 | 41 | #include "metadata.h" |
94cf822e | 42 | #include "data-stream-file.h" |
e7a4393b | 43 | #include "file.h" |
1e649dff | 44 | #include "../common/metadata/decoder.h" |
335a2da5 | 45 | #include "../common/metadata/ctf-meta-configure-ir-trace.h" |
d6e69534 | 46 | #include "../common/msg-iter/msg-iter.h" |
04c0ba87 | 47 | #include "query.h" |
e7a4393b | 48 | |
94cf822e | 49 | static |
d6e69534 | 50 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
51 | { |
52 | struct ctf_fs_ds_file_info *ds_file_info; | |
53 | int ret = 0; | |
54 | ||
d6e69534 PP |
55 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
56 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 57 | ds_file_info = g_ptr_array_index( |
d6e69534 PP |
58 | msg_iter_data->ds_file_group->ds_file_infos, |
59 | msg_iter_data->ds_file_info_index); | |
60 | ||
61 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
62 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
63 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
64 | msg_iter_data->pc_msg_iter, | |
65 | msg_iter_data->msg_iter, | |
66 | msg_iter_data->ds_file_group->stream, | |
98903a3e PP |
67 | ds_file_info->path->str, |
68 | msg_iter_data->log_level); | |
d6e69534 | 69 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
70 | ret = -1; |
71 | } | |
72 | ||
73 | return ret; | |
74 | } | |
75 | ||
76 | static | |
d6e69534 PP |
77 | void ctf_fs_msg_iter_data_destroy( |
78 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 79 | { |
d6e69534 | 80 | if (!msg_iter_data) { |
94cf822e PP |
81 | return; |
82 | } | |
83 | ||
d6e69534 | 84 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
6de92955 | 85 | |
d6e69534 PP |
86 | if (msg_iter_data->msg_iter) { |
87 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
6de92955 PP |
88 | } |
89 | ||
d6e69534 | 90 | g_free(msg_iter_data); |
94cf822e PP |
91 | } |
92 | ||
fc917f65 PP |
93 | static |
94 | void set_msg_iter_emits_stream_beginning_end_messages( | |
95 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
96 | { | |
97 | bt_msg_iter_set_emit_stream_beginning_message( | |
98 | msg_iter_data->ds_file->msg_iter, | |
99 | msg_iter_data->ds_file_info_index == 0); | |
100 | bt_msg_iter_set_emit_stream_end_message( | |
101 | msg_iter_data->ds_file->msg_iter, | |
102 | msg_iter_data->ds_file_info_index == | |
103 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
104 | } | |
105 | ||
d4393e08 | 106 | static |
d24d5663 | 107 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next_one( |
d6e69534 | 108 | struct ctf_fs_msg_iter_data *msg_iter_data, |
fc917f65 | 109 | const bt_message **out_msg) |
ea0b4b9e | 110 | { |
d24d5663 | 111 | bt_component_class_message_iterator_next_method_status status; |
94cf822e | 112 | |
d6e69534 | 113 | BT_ASSERT(msg_iter_data->ds_file); |
f42867e2 | 114 | |
fc917f65 PP |
115 | while (true) { |
116 | bt_message *msg; | |
117 | ||
118 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
119 | switch (status) { | |
d24d5663 | 120 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK: |
fc917f65 PP |
121 | *out_msg = msg; |
122 | msg = NULL; | |
f42867e2 | 123 | goto end; |
d24d5663 | 124 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END: |
fc917f65 PP |
125 | { |
126 | int ret; | |
f42867e2 | 127 | |
fc917f65 PP |
128 | if (msg_iter_data->ds_file_info_index == |
129 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
130 | /* End of all group's stream files */ | |
131 | goto end; | |
132 | } | |
133 | ||
134 | msg_iter_data->ds_file_info_index++; | |
495490c5 PP |
135 | bt_msg_iter_reset_for_next_stream_file( |
136 | msg_iter_data->msg_iter); | |
fc917f65 PP |
137 | set_msg_iter_emits_stream_beginning_end_messages( |
138 | msg_iter_data); | |
94cf822e | 139 | |
94cf822e | 140 | /* |
fc917f65 PP |
141 | * Open and start reading the next stream file |
142 | * within our stream file group. | |
94cf822e | 143 | */ |
fc917f65 PP |
144 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
145 | if (ret) { | |
d24d5663 | 146 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
fc917f65 PP |
147 | goto end; |
148 | } | |
149 | ||
150 | /* Continue the loop to get the next message */ | |
151 | break; | |
94cf822e | 152 | } |
fc917f65 | 153 | default: |
94cf822e PP |
154 | goto end; |
155 | } | |
94cf822e | 156 | } |
d01e0f33 | 157 | |
94cf822e | 158 | end: |
d4393e08 PP |
159 | return status; |
160 | } | |
161 | ||
162 | BT_HIDDEN | |
d24d5663 | 163 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next( |
d6e69534 PP |
164 | bt_self_message_iterator *iterator, |
165 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
166 | uint64_t *count) |
167 | { | |
d24d5663 PP |
168 | bt_component_class_message_iterator_next_method_status status = |
169 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
d6e69534 PP |
170 | struct ctf_fs_msg_iter_data *msg_iter_data = |
171 | bt_self_message_iterator_get_data(iterator); | |
d4393e08 PP |
172 | uint64_t i = 0; |
173 | ||
d24d5663 PP |
174 | while (i < capacity && |
175 | status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { | |
d6e69534 | 176 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); |
d24d5663 | 177 | if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
d4393e08 PP |
178 | i++; |
179 | } | |
180 | } | |
181 | ||
182 | if (i > 0) { | |
183 | /* | |
184 | * Even if ctf_fs_iterator_next_one() returned something | |
d24d5663 | 185 | * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we |
d6e69534 PP |
186 | * accumulated message objects in the output |
187 | * message array, so we need to return | |
d24d5663 | 188 | * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are |
d4393e08 | 189 | * transfered to downstream. This other status occurs |
d6e69534 | 190 | * again the next time muxer_msg_iter_do_next() is |
d4393e08 | 191 | * called, possibly without any accumulated |
d6e69534 | 192 | * message, in which case we'll return it. |
d4393e08 PP |
193 | */ |
194 | *count = i; | |
d24d5663 | 195 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
d4393e08 PP |
196 | } |
197 | ||
198 | return status; | |
ea0b4b9e | 199 | } |
bfd20a42 | 200 | |
6a9bb5e9 PP |
201 | static |
202 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
203 | { | |
204 | int ret; | |
205 | ||
206 | msg_iter_data->ds_file_info_index = 0; | |
207 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
208 | if (ret) { | |
209 | goto end; | |
210 | } | |
211 | ||
212 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
213 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
214 | ||
215 | end: | |
216 | return ret; | |
217 | } | |
218 | ||
219 | BT_HIDDEN | |
d24d5663 PP |
220 | bt_component_class_message_iterator_seek_beginning_method_status |
221 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) | |
6a9bb5e9 PP |
222 | { |
223 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
224 | bt_self_message_iterator_get_data(it); | |
d24d5663 PP |
225 | bt_component_class_message_iterator_seek_beginning_method_status status = |
226 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; | |
6a9bb5e9 PP |
227 | |
228 | BT_ASSERT(msg_iter_data); | |
229 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
d24d5663 | 230 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR; |
6a9bb5e9 PP |
231 | } |
232 | ||
233 | return status; | |
234 | } | |
235 | ||
236 | BT_HIDDEN | |
d6e69534 | 237 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 238 | { |
d6e69534 PP |
239 | ctf_fs_msg_iter_data_destroy( |
240 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
241 | } |
242 | ||
6a9bb5e9 | 243 | BT_HIDDEN |
d24d5663 | 244 | bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init( |
d6e69534 | 245 | bt_self_message_iterator *self_msg_iter, |
4c65a157 | 246 | bt_self_component_source *self_comp_src, |
b19ff26f | 247 | bt_self_component_port_output *self_port) |
4c1456f0 | 248 | { |
4f1f88a6 | 249 | struct ctf_fs_port_data *port_data; |
d6e69534 | 250 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
d24d5663 PP |
251 | bt_component_class_message_iterator_init_method_status ret = |
252 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK; | |
98903a3e | 253 | bt_logging_level log_level; |
4c65a157 | 254 | bt_self_component *self_comp; |
760051fa | 255 | |
d94d92ac | 256 | port_data = bt_self_component_port_get_data( |
707b7d35 | 257 | bt_self_component_port_output_as_self_component_port( |
d94d92ac PP |
258 | self_port)); |
259 | BT_ASSERT(port_data); | |
98903a3e | 260 | log_level = port_data->ctf_fs->log_level; |
4c65a157 | 261 | self_comp = port_data->ctf_fs->self_comp; |
d6e69534 PP |
262 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
263 | if (!msg_iter_data) { | |
9275bef4 | 264 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR; |
94cf822e PP |
265 | goto error; |
266 | } | |
267 | ||
98903a3e | 268 | msg_iter_data->log_level = log_level; |
4c65a157 | 269 | msg_iter_data->self_comp = self_comp; |
d6e69534 PP |
270 | msg_iter_data->pc_msg_iter = self_msg_iter; |
271 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
44c440bc | 272 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
98903a3e | 273 | bt_common_get_page_size(msg_iter_data->log_level) * 8, |
4c65a157 PP |
274 | ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level, |
275 | self_comp); | |
d6e69534 | 276 | if (!msg_iter_data->msg_iter) { |
4c65a157 | 277 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
d24d5663 | 278 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR; |
6de92955 PP |
279 | goto error; |
280 | } | |
281 | ||
d6e69534 | 282 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
6a9bb5e9 | 283 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
d24d5663 | 284 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR; |
4f1f88a6 | 285 | goto error; |
760051fa JG |
286 | } |
287 | ||
d6e69534 PP |
288 | bt_self_message_iterator_set_data(self_msg_iter, |
289 | msg_iter_data); | |
d24d5663 | 290 | if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK) { |
4f1f88a6 | 291 | goto error; |
760051fa JG |
292 | } |
293 | ||
d6e69534 | 294 | msg_iter_data = NULL; |
4f1f88a6 | 295 | goto end; |
5b29e799 | 296 | |
4f1f88a6 | 297 | error: |
d6e69534 | 298 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 299 | |
760051fa | 300 | end: |
d6e69534 | 301 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
302 | return ret; |
303 | } | |
304 | ||
f280892e | 305 | BT_HIDDEN |
1a9f7075 | 306 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 307 | { |
4f1f88a6 | 308 | if (!ctf_fs) { |
8fa760ba JG |
309 | return; |
310 | } | |
4f1f88a6 | 311 | |
1a9f7075 PP |
312 | if (ctf_fs->traces) { |
313 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 314 | } |
4f1f88a6 PP |
315 | |
316 | if (ctf_fs->port_data) { | |
317 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 318 | } |
760051fa | 319 | |
1a9f7075 PP |
320 | g_free(ctf_fs); |
321 | } | |
322 | ||
f280892e SM |
323 | static |
324 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
325 | { | |
326 | if (!port_data) { | |
327 | return; | |
328 | } | |
329 | ||
330 | g_free(port_data); | |
331 | } | |
332 | ||
333 | static | |
334 | void port_data_destroy_notifier(void *data) { | |
335 | port_data_destroy(data); | |
336 | } | |
337 | ||
338 | static | |
97ade20b | 339 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 340 | { |
1a9f7075 PP |
341 | if (!ctf_fs_trace) { |
342 | return; | |
343 | } | |
344 | ||
94cf822e PP |
345 | if (ctf_fs_trace->ds_file_groups) { |
346 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
347 | } | |
348 | ||
c5b9b441 | 349 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
862ca4ed | 350 | |
1a9f7075 PP |
351 | if (ctf_fs_trace->path) { |
352 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 353 | } |
760051fa | 354 | |
1a9f7075 PP |
355 | if (ctf_fs_trace->name) { |
356 | g_string_free(ctf_fs_trace->name, TRUE); | |
357 | } | |
358 | ||
359 | if (ctf_fs_trace->metadata) { | |
360 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
361 | g_free(ctf_fs_trace->metadata); | |
362 | } | |
363 | ||
1a9f7075 | 364 | g_free(ctf_fs_trace); |
4c1456f0 JG |
365 | } |
366 | ||
97ade20b | 367 | static |
56a924f4 | 368 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
369 | { |
370 | struct ctf_fs_trace *trace = data; | |
371 | ctf_fs_trace_destroy(trace); | |
372 | } | |
373 | ||
4c65a157 PP |
374 | struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level, |
375 | bt_self_component *self_comp) | |
a4792757 | 376 | { |
f280892e | 377 | struct ctf_fs_component *ctf_fs; |
a4792757 | 378 | |
f280892e SM |
379 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
380 | if (!ctf_fs) { | |
381 | goto error; | |
382 | } | |
4f1f88a6 | 383 | |
98903a3e | 384 | ctf_fs->log_level = log_level; |
4c65a157 | 385 | ctf_fs->self_comp = self_comp; |
f280892e SM |
386 | ctf_fs->port_data = |
387 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
388 | if (!ctf_fs->port_data) { | |
389 | goto error; | |
4f1f88a6 PP |
390 | } |
391 | ||
f280892e SM |
392 | ctf_fs->traces = |
393 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
394 | if (!ctf_fs->traces) { | |
395 | goto error; | |
396 | } | |
397 | ||
398 | goto end; | |
399 | ||
400 | error: | |
401 | if (ctf_fs) { | |
402 | ctf_fs_destroy(ctf_fs); | |
403 | } | |
404 | ||
405 | end: | |
406 | return ctf_fs; | |
407 | } | |
408 | ||
409 | void ctf_fs_finalize(bt_self_component_source *component) | |
410 | { | |
411 | ctf_fs_destroy(bt_self_component_get_data( | |
412 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
413 | } |
414 | ||
a38d7650 | 415 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 416 | { |
a38d7650 | 417 | GString *name = g_string_new(NULL); |
547eacf1 | 418 | |
a38d7650 SM |
419 | /* |
420 | * The unique port name is generated by concatenating unique identifiers | |
421 | * for: | |
422 | * | |
423 | * - the trace | |
424 | * - the stream class | |
425 | * - the stream | |
426 | */ | |
427 | ||
428 | /* For the trace, use the uuid if present, else the path. */ | |
429 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
430 | char uuid_str[BABELTRACE_UUID_STR_LEN]; | |
431 | ||
432 | bt_uuid_unparse(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
433 | g_string_assign(name, uuid_str); | |
434 | } else { | |
435 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
547eacf1 PP |
436 | } |
437 | ||
438 | /* | |
a38d7650 SM |
439 | * For the stream class, use the id if present. We can omit this field |
440 | * otherwise, as there will only be a single stream class. | |
547eacf1 | 441 | */ |
a38d7650 SM |
442 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
443 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
444 | } | |
547eacf1 | 445 | |
a38d7650 SM |
446 | /* For the stream, use the id if present, else, use the path. */ |
447 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
448 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
449 | } else { | |
450 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
451 | struct ctf_fs_ds_file_info *ds_file_info = | |
452 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
453 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
454 | } | |
455 | ||
456 | return g_string_free(name, FALSE); | |
547eacf1 PP |
457 | } |
458 | ||
5b29e799 | 459 | static |
55314f2a JG |
460 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
461 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 462 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 463 | { |
4f1f88a6 | 464 | int ret = 0; |
4f1f88a6 | 465 | struct ctf_fs_port_data *port_data = NULL; |
a38d7650 | 466 | gchar *port_name; |
98903a3e | 467 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 468 | bt_self_component *self_comp = ctf_fs->self_comp; |
4f1f88a6 | 469 | |
a38d7650 | 470 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
471 | if (!port_name) { |
472 | goto error; | |
473 | } | |
474 | ||
4c65a157 | 475 | BT_COMP_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
476 | |
477 | /* Create output port for this file */ | |
4f1f88a6 PP |
478 | port_data = g_new0(struct ctf_fs_port_data, 1); |
479 | if (!port_data) { | |
480 | goto error; | |
481 | } | |
482 | ||
5c563278 | 483 | port_data->ctf_fs = ctf_fs; |
94cf822e | 484 | port_data->ds_file_group = ds_file_group; |
d94d92ac | 485 | ret = bt_self_component_source_add_output_port( |
4c65a157 | 486 | ctf_fs->self_comp_src, port_name, port_data, NULL); |
147337a3 | 487 | if (ret) { |
4f1f88a6 PP |
488 | goto error; |
489 | } | |
490 | ||
491 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
492 | port_data = NULL; | |
493 | goto end; | |
494 | ||
495 | error: | |
496 | ret = -1; | |
497 | ||
498 | end: | |
499 | if (port_name) { | |
a38d7650 | 500 | g_free(port_name); |
4f1f88a6 PP |
501 | } |
502 | ||
4f1f88a6 PP |
503 | port_data_destroy(port_data); |
504 | return ret; | |
5b29e799 JG |
505 | } |
506 | ||
507 | static | |
55314f2a JG |
508 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
509 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
510 | { |
511 | int ret = 0; | |
94cf822e | 512 | size_t i; |
98903a3e | 513 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 514 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e PP |
515 | |
516 | /* Create one output port for each stream file group */ | |
517 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
518 | struct ctf_fs_ds_file_group *ds_file_group = | |
519 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
520 | ||
55314f2a JG |
521 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
522 | ds_file_group); | |
94cf822e | 523 | if (ret) { |
4c65a157 | 524 | BT_COMP_LOGE("Cannot create output port."); |
94cf822e PP |
525 | goto end; |
526 | } | |
527 | } | |
528 | ||
529 | end: | |
530 | return ret; | |
531 | } | |
532 | ||
94cf822e PP |
533 | static |
534 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
535 | { | |
536 | if (!ds_file_info) { | |
537 | return; | |
538 | } | |
539 | ||
540 | if (ds_file_info->path) { | |
541 | g_string_free(ds_file_info->path, TRUE); | |
542 | } | |
543 | ||
544 | g_free(ds_file_info); | |
545 | } | |
546 | ||
547 | static | |
548 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
7ed5243a | 549 | int64_t begin_ns) |
94cf822e PP |
550 | { |
551 | struct ctf_fs_ds_file_info *ds_file_info; | |
552 | ||
553 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
554 | if (!ds_file_info) { | |
555 | goto end; | |
556 | } | |
557 | ||
558 | ds_file_info->path = g_string_new(path); | |
559 | if (!ds_file_info->path) { | |
560 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
561 | ds_file_info = NULL; | |
562 | goto end; | |
563 | } | |
564 | ||
565 | ds_file_info->begin_ns = begin_ns; | |
566 | ||
567 | end: | |
568 | return ds_file_info; | |
569 | } | |
570 | ||
571 | static | |
572 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
573 | { | |
574 | if (!ds_file_group) { | |
575 | return; | |
576 | } | |
577 | ||
578 | if (ds_file_group->ds_file_infos) { | |
579 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
580 | } | |
581 | ||
7ed5243a FD |
582 | if (ds_file_group->index) { |
583 | if (ds_file_group->index->entries) { | |
584 | g_ptr_array_free(ds_file_group->index->entries, TRUE); | |
585 | } | |
586 | g_free(ds_file_group->index); | |
587 | } | |
588 | ||
c5b9b441 | 589 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
590 | g_free(ds_file_group); |
591 | } | |
592 | ||
593 | static | |
594 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
595 | struct ctf_fs_trace *ctf_fs_trace, | |
60363f2f | 596 | struct ctf_stream_class *sc, |
7ed5243a FD |
597 | uint64_t stream_instance_id, |
598 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
599 | { |
600 | struct ctf_fs_ds_file_group *ds_file_group; | |
601 | ||
94cf822e PP |
602 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
603 | if (!ds_file_group) { | |
604 | goto error; | |
605 | } | |
606 | ||
607 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
608 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
609 | if (!ds_file_group->ds_file_infos) { | |
610 | goto error; | |
611 | } | |
612 | ||
7ed5243a FD |
613 | ds_file_group->index = index; |
614 | ||
547eacf1 | 615 | ds_file_group->stream_id = stream_instance_id; |
60363f2f PP |
616 | BT_ASSERT(sc); |
617 | ds_file_group->sc = sc; | |
94cf822e | 618 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
619 | goto end; |
620 | ||
621 | error: | |
622 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
7ed5243a | 623 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
624 | ds_file_group = NULL; |
625 | ||
626 | end: | |
627 | return ds_file_group; | |
628 | } | |
629 | ||
8bf7105e MJ |
630 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
631 | static | |
632 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
633 | { | |
634 | size_t original_array_len = array->len; | |
635 | ||
636 | /* Allocate an unused element at the end of the array. */ | |
637 | g_ptr_array_add(array, NULL); | |
638 | ||
639 | /* If we are not inserting at the end, move the elements by one. */ | |
640 | if (pos < original_array_len) { | |
641 | memmove(&(array->pdata[pos + 1]), | |
642 | &(array->pdata[pos]), | |
643 | (original_array_len - pos) * sizeof(gpointer)); | |
644 | } | |
645 | ||
f897d50c | 646 | /* Insert the value. */ |
8bf7105e MJ |
647 | array->pdata[pos] = element; |
648 | } | |
649 | ||
41a65f30 SM |
650 | /* |
651 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
652 | * place to keep it sorted. | |
653 | */ | |
654 | ||
655 | static | |
656 | void ds_file_group_insert_ds_file_info_sorted( | |
657 | struct ctf_fs_ds_file_group *ds_file_group, | |
658 | struct ctf_fs_ds_file_info *ds_file_info) | |
659 | { | |
660 | guint i; | |
661 | ||
662 | /* Find the spot where to insert this ds_file_info. */ | |
663 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
664 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
665 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
666 | ||
667 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
668 | break; | |
669 | } | |
670 | } | |
671 | ||
672 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
673 | } | |
674 | ||
7ed5243a FD |
675 | static |
676 | void ds_file_group_insert_ds_index_entry_sorted( | |
677 | struct ctf_fs_ds_file_group *ds_file_group, | |
678 | struct ctf_fs_ds_index_entry *entry) | |
679 | { | |
680 | guint i; | |
681 | ||
682 | /* Find the spot where to insert this index entry. */ | |
683 | for (i = 0; i < ds_file_group->index->entries->len; i++) { | |
684 | struct ctf_fs_ds_index_entry *other_entry = g_ptr_array_index( | |
685 | ds_file_group->index->entries, i); | |
686 | ||
687 | if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) { | |
688 | break; | |
689 | } | |
690 | } | |
691 | ||
692 | array_insert(ds_file_group->index->entries, entry, i); | |
693 | } | |
694 | ||
41a65f30 SM |
695 | /* |
696 | * Create a new ds_file_info using the provided path, begin_ns and index, then | |
697 | * add it to ds_file_group's list of ds_file_infos. | |
698 | */ | |
699 | ||
94cf822e PP |
700 | static |
701 | int ctf_fs_ds_file_group_add_ds_file_info( | |
702 | struct ctf_fs_ds_file_group *ds_file_group, | |
7ed5243a | 703 | const char *path, int64_t begin_ns) |
94cf822e PP |
704 | { |
705 | struct ctf_fs_ds_file_info *ds_file_info; | |
94cf822e PP |
706 | int ret = 0; |
707 | ||
7ed5243a | 708 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
94cf822e PP |
709 | if (!ds_file_info) { |
710 | goto error; | |
711 | } | |
712 | ||
41a65f30 | 713 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e | 714 | |
94cf822e PP |
715 | ds_file_info = NULL; |
716 | goto end; | |
717 | ||
718 | error: | |
719 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
720 | ret = -1; | |
94cf822e PP |
721 | end: |
722 | return ret; | |
723 | } | |
724 | ||
725 | static | |
726 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
e5be10ef | 727 | const char *path) |
94cf822e | 728 | { |
44c440bc PP |
729 | int64_t stream_instance_id = -1; |
730 | int64_t begin_ns = -1; | |
94cf822e PP |
731 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
732 | bool add_group = false; | |
733 | int ret; | |
734 | size_t i; | |
6de92955 | 735 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 736 | struct ctf_fs_ds_index *index = NULL; |
d6e69534 | 737 | struct bt_msg_iter *msg_iter = NULL; |
44c440bc | 738 | struct ctf_stream_class *sc = NULL; |
d6e69534 | 739 | struct bt_msg_iter_packet_properties props; |
98903a3e | 740 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 741 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e | 742 | |
d6e69534 | 743 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
98903a3e | 744 | bt_common_get_page_size(log_level) * 8, |
4c65a157 | 745 | ctf_fs_ds_file_medops, NULL, log_level, self_comp); |
d6e69534 | 746 | if (!msg_iter) { |
4c65a157 | 747 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
6de92955 PP |
748 | goto error; |
749 | } | |
750 | ||
d6e69534 | 751 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
98903a3e | 752 | NULL, path, log_level); |
97ade20b JG |
753 | if (!ds_file) { |
754 | goto error; | |
755 | } | |
756 | ||
41693723 | 757 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 758 | if (ret) { |
4c65a157 | 759 | BT_COMP_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
760 | path); |
761 | goto error; | |
762 | } | |
763 | ||
44c440bc PP |
764 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
765 | props.stream_class_id); | |
766 | BT_ASSERT(sc); | |
44c440bc PP |
767 | stream_instance_id = props.data_stream_id; |
768 | ||
769 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
770 | BT_ASSERT(sc->default_clock_class); | |
0f2d58c9 PP |
771 | ret = bt_util_clock_cycles_to_ns_from_origin( |
772 | props.snapshots.beginning_clock, | |
773 | sc->default_clock_class->frequency, | |
774 | sc->default_clock_class->offset_seconds, | |
775 | sc->default_clock_class->offset_cycles, &begin_ns); | |
44c440bc | 776 | if (ret) { |
4c65a157 | 777 | BT_COMP_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", |
44c440bc PP |
778 | path); |
779 | goto error; | |
780 | } | |
94cf822e PP |
781 | } |
782 | ||
97ade20b JG |
783 | index = ctf_fs_ds_file_build_index(ds_file); |
784 | if (!index) { | |
4c65a157 | 785 | BT_COMP_LOGW("Failed to index CTF stream file \'%s\'", |
97ade20b JG |
786 | ds_file->file->path->str); |
787 | } | |
788 | ||
44c440bc | 789 | if (begin_ns == -1) { |
94cf822e PP |
790 | /* |
791 | * No beggining timestamp to sort the stream files | |
792 | * within a stream file group, so consider that this | |
793 | * file must be the only one within its group. | |
794 | */ | |
44c440bc | 795 | stream_instance_id = -1; |
94cf822e PP |
796 | } |
797 | ||
44c440bc | 798 | if (stream_instance_id == -1) { |
94cf822e PP |
799 | /* |
800 | * No stream instance ID or no beginning timestamp: | |
801 | * create a unique stream file group for this stream | |
802 | * file because, even if there's a stream instance ID, | |
803 | * there's no timestamp to order the file within its | |
804 | * group. | |
805 | */ | |
94cf822e | 806 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
7ed5243a FD |
807 | sc, UINT64_C(-1), index); |
808 | /* Ownership of index is transferred. */ | |
809 | index = NULL; | |
810 | ||
94cf822e PP |
811 | if (!ds_file_group) { |
812 | goto error; | |
813 | } | |
814 | ||
815 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
7ed5243a | 816 | path, begin_ns); |
94cf822e PP |
817 | if (ret) { |
818 | goto error; | |
819 | } | |
820 | ||
821 | add_group = true; | |
822 | goto end; | |
823 | } | |
824 | ||
44c440bc PP |
825 | BT_ASSERT(stream_instance_id != -1); |
826 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
827 | |
828 | /* Find an existing stream file group with this ID */ | |
829 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
830 | ds_file_group = g_ptr_array_index( |
831 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 832 | |
60363f2f | 833 | if (ds_file_group->sc == sc && |
547eacf1 PP |
834 | ds_file_group->stream_id == |
835 | stream_instance_id) { | |
94cf822e PP |
836 | break; |
837 | } | |
838 | ||
839 | ds_file_group = NULL; | |
840 | } | |
841 | ||
842 | if (!ds_file_group) { | |
843 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
7ed5243a FD |
844 | sc, stream_instance_id, index); |
845 | /* Ownership of index is transferred. */ | |
846 | index = NULL; | |
94cf822e PP |
847 | if (!ds_file_group) { |
848 | goto error; | |
849 | } | |
850 | ||
851 | add_group = true; | |
852 | } | |
853 | ||
547eacf1 | 854 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
7ed5243a | 855 | begin_ns); |
94cf822e PP |
856 | if (ret) { |
857 | goto error; | |
858 | } | |
859 | ||
860 | goto end; | |
861 | ||
862 | error: | |
863 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
90e1eb09 | 864 | ds_file_group = NULL; |
94cf822e PP |
865 | ret = -1; |
866 | ||
867 | end: | |
868 | if (add_group && ds_file_group) { | |
869 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
870 | } | |
547eacf1 | 871 | |
97ade20b | 872 | ctf_fs_ds_file_destroy(ds_file); |
6de92955 | 873 | |
d6e69534 PP |
874 | if (msg_iter) { |
875 | bt_msg_iter_destroy(msg_iter); | |
6de92955 PP |
876 | } |
877 | ||
97ade20b | 878 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
879 | return ret; |
880 | } | |
881 | ||
882 | static | |
e5be10ef | 883 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
884 | { |
885 | int ret = 0; | |
4f1f88a6 | 886 | const char *basename; |
e7a4393b | 887 | GError *error = NULL; |
4f1f88a6 | 888 | GDir *dir = NULL; |
98903a3e | 889 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 890 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
e7a4393b | 891 | |
94cf822e | 892 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 893 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 894 | if (!dir) { |
4c65a157 | 895 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 896 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 897 | error->code); |
e7a4393b JG |
898 | goto error; |
899 | } | |
900 | ||
4f1f88a6 | 901 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
902 | struct ctf_fs_file *file; |
903 | ||
4f1f88a6 | 904 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 905 | /* Ignore the metadata stream. */ |
4c65a157 | 906 | BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 907 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
908 | continue; |
909 | } | |
910 | ||
4f1f88a6 | 911 | if (basename[0] == '.') { |
4c65a157 | 912 | BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 913 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
914 | continue; |
915 | } | |
916 | ||
917 | /* Create the file. */ | |
4c65a157 | 918 | file = ctf_fs_file_create(log_level, self_comp); |
e7a4393b | 919 | if (!file) { |
4c65a157 | 920 | BT_COMP_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 921 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
922 | goto error; |
923 | } | |
924 | ||
925 | /* Create full path string. */ | |
3743a302 | 926 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 927 | ctf_fs_trace->path->str, basename); |
e7a4393b | 928 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
4c65a157 | 929 | BT_COMP_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 930 | file->path->str); |
e7a4393b | 931 | ctf_fs_file_destroy(file); |
4f1f88a6 | 932 | file = NULL; |
e7a4393b JG |
933 | continue; |
934 | } | |
935 | ||
55314f2a | 936 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 937 | if (ret) { |
4c65a157 | 938 | BT_COMP_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
939 | goto error; |
940 | } | |
941 | ||
9fa0891a JG |
942 | if (file->size == 0) { |
943 | /* Skip empty stream. */ | |
4c65a157 | 944 | BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
945 | ctf_fs_file_destroy(file); |
946 | continue; | |
947 | } | |
948 | ||
e5be10ef | 949 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 950 | file->path->str); |
4f1f88a6 | 951 | if (ret) { |
4c65a157 | 952 | BT_COMP_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 953 | file->path->str); |
94cf822e | 954 | ctf_fs_file_destroy(file); |
e7a4393b JG |
955 | goto error; |
956 | } | |
957 | ||
4f1f88a6 | 958 | ctf_fs_file_destroy(file); |
e7a4393b JG |
959 | } |
960 | ||
961 | goto end; | |
4f1f88a6 | 962 | |
e7a4393b JG |
963 | error: |
964 | ret = -1; | |
4f1f88a6 | 965 | |
e7a4393b JG |
966 | end: |
967 | if (dir) { | |
968 | g_dir_close(dir); | |
969 | dir = NULL; | |
970 | } | |
4f1f88a6 | 971 | |
e7a4393b JG |
972 | if (error) { |
973 | g_error_free(error); | |
974 | } | |
5b29e799 | 975 | |
91457551 | 976 | return ret; |
5b29e799 JG |
977 | } |
978 | ||
862ca4ed | 979 | static |
98903a3e | 980 | int set_trace_name(bt_trace *trace, const char *name_suffix, |
4c65a157 | 981 | bt_logging_level log_level, bt_self_component *self_comp) |
862ca4ed PP |
982 | { |
983 | int ret = 0; | |
b19ff26f | 984 | const bt_value *val; |
862ca4ed PP |
985 | GString *name; |
986 | ||
987 | name = g_string_new(NULL); | |
988 | if (!name) { | |
4c65a157 | 989 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
862ca4ed PP |
990 | ret = -1; |
991 | goto end; | |
992 | } | |
993 | ||
994 | /* | |
995 | * Check if we have a trace environment string value named `hostname`. | |
996 | * If so, use it as the trace name's prefix. | |
997 | */ | |
335a2da5 PP |
998 | val = bt_trace_borrow_environment_entry_value_by_name_const( |
999 | trace, "hostname"); | |
862ca4ed PP |
1000 | if (val && bt_value_is_string(val)) { |
1001 | g_string_append(name, bt_value_string_get(val)); | |
1002 | ||
1003 | if (name_suffix) { | |
1004 | g_string_append_c(name, G_DIR_SEPARATOR); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | if (name_suffix) { | |
1009 | g_string_append(name, name_suffix); | |
1010 | } | |
1011 | ||
1012 | ret = bt_trace_set_name(trace, name->str); | |
1013 | if (ret) { | |
1014 | goto end; | |
1015 | } | |
1016 | ||
1017 | goto end; | |
1018 | ||
1019 | end: | |
1020 | if (name) { | |
1021 | g_string_free(name, TRUE); | |
1022 | } | |
1023 | ||
1024 | return ret; | |
1025 | } | |
1026 | ||
f280892e | 1027 | static |
4c65a157 | 1028 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component *self_comp, |
41693723 | 1029 | const char *path, const char *name, |
98903a3e PP |
1030 | struct ctf_fs_metadata_config *metadata_config, |
1031 | bt_logging_level log_level) | |
1a9f7075 PP |
1032 | { |
1033 | struct ctf_fs_trace *ctf_fs_trace; | |
1034 | int ret; | |
1035 | ||
1036 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
1037 | if (!ctf_fs_trace) { | |
1038 | goto end; | |
1039 | } | |
1040 | ||
98903a3e | 1041 | ctf_fs_trace->log_level = log_level; |
4c65a157 | 1042 | ctf_fs_trace->self_comp = self_comp; |
1a9f7075 PP |
1043 | ctf_fs_trace->path = g_string_new(path); |
1044 | if (!ctf_fs_trace->path) { | |
1045 | goto error; | |
1046 | } | |
1047 | ||
1048 | ctf_fs_trace->name = g_string_new(name); | |
1049 | if (!ctf_fs_trace->name) { | |
1050 | goto error; | |
1051 | } | |
1052 | ||
1053 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
1054 | if (!ctf_fs_trace->metadata) { | |
1055 | goto error; | |
1056 | } | |
1057 | ||
44c440bc | 1058 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
1059 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1060 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1061 | if (!ctf_fs_trace->ds_file_groups) { | |
1062 | goto error; | |
1063 | } | |
1064 | ||
4c65a157 PP |
1065 | ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, |
1066 | metadata_config); | |
862ca4ed PP |
1067 | if (ret) { |
1068 | goto error; | |
1069 | } | |
1070 | ||
41693723 PP |
1071 | if (ctf_fs_trace->metadata->trace_class) { |
1072 | ctf_fs_trace->trace = | |
1073 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1074 | if (!ctf_fs_trace->trace) { | |
1075 | goto error; | |
1076 | } | |
862ca4ed PP |
1077 | } |
1078 | ||
41693723 | 1079 | if (ctf_fs_trace->trace) { |
335a2da5 PP |
1080 | ret = ctf_trace_class_configure_ir_trace( |
1081 | ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
1082 | if (ret) { | |
1083 | goto error; | |
1084 | } | |
1085 | ||
4c65a157 PP |
1086 | ret = set_trace_name(ctf_fs_trace->trace, name, log_level, |
1087 | self_comp); | |
41693723 PP |
1088 | if (ret) { |
1089 | goto error; | |
1090 | } | |
1a9f7075 PP |
1091 | } |
1092 | ||
e5be10ef | 1093 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1094 | if (ret) { |
1095 | goto error; | |
1096 | } | |
1097 | ||
1a9f7075 PP |
1098 | goto end; |
1099 | ||
1100 | error: | |
1101 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1102 | ctf_fs_trace = NULL; | |
44c440bc | 1103 | |
1a9f7075 PP |
1104 | end: |
1105 | return ctf_fs_trace; | |
1106 | } | |
1107 | ||
1108 | static | |
1109 | int path_is_ctf_trace(const char *path) | |
1110 | { | |
1111 | GString *metadata_path = g_string_new(NULL); | |
1112 | int ret = 0; | |
1113 | ||
1114 | if (!metadata_path) { | |
1115 | ret = -1; | |
1116 | goto end; | |
1117 | } | |
1118 | ||
3743a302 | 1119 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1120 | |
1121 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1122 | ret = 1; | |
1123 | goto end; | |
1124 | } | |
1125 | ||
1126 | end: | |
1127 | g_string_free(metadata_path, TRUE); | |
1128 | return ret; | |
1129 | } | |
1130 | ||
1131 | static | |
98903a3e | 1132 | int add_trace_path(GList **trace_paths, const char *path, |
4c65a157 | 1133 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 | 1134 | { |
4bd72b60 | 1135 | GString *norm_path = NULL; |
1a9f7075 | 1136 | int ret = 0; |
1a9f7075 | 1137 | |
4bd72b60 PP |
1138 | norm_path = bt_common_normalize_path(path, NULL); |
1139 | if (!norm_path) { | |
4c65a157 | 1140 | BT_COMP_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1141 | ret = -1; |
1142 | goto end; | |
1143 | } | |
1144 | ||
3743a302 | 1145 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1146 | if (strcmp(norm_path->str, "/") == 0) { |
4c65a157 | 1147 | BT_COMP_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1148 | ret = -1; |
1149 | goto end; | |
1150 | } | |
1151 | ||
4bd72b60 | 1152 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
f6ccaed9 | 1153 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1154 | norm_path = NULL; |
1a9f7075 PP |
1155 | |
1156 | end: | |
4bd72b60 PP |
1157 | if (norm_path) { |
1158 | g_string_free(norm_path, TRUE); | |
1159 | } | |
1160 | ||
1a9f7075 PP |
1161 | return ret; |
1162 | } | |
1163 | ||
f280892e | 1164 | static |
98903a3e | 1165 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path, |
4c65a157 | 1166 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 PP |
1167 | { |
1168 | int ret; | |
1169 | GError *error = NULL; | |
1170 | GDir *dir = NULL; | |
1171 | const char *basename = NULL; | |
1172 | ||
1173 | /* Check if the starting path is a CTF trace itself */ | |
1174 | ret = path_is_ctf_trace(start_path); | |
1175 | if (ret < 0) { | |
1176 | goto end; | |
1177 | } | |
1178 | ||
1179 | if (ret) { | |
1180 | /* | |
4bd72b60 PP |
1181 | * Stop recursion: a CTF trace cannot contain another |
1182 | * CTF trace. | |
1a9f7075 | 1183 | */ |
4c65a157 PP |
1184 | ret = add_trace_path(trace_paths, start_path, log_level, |
1185 | self_comp); | |
1a9f7075 PP |
1186 | goto end; |
1187 | } | |
1188 | ||
1189 | /* Look for subdirectories */ | |
1190 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1191 | /* Starting path is not a directory: end of recursion */ | |
1192 | goto end; | |
1193 | } | |
1194 | ||
1195 | dir = g_dir_open(start_path, 0, &error); | |
1196 | if (!dir) { | |
1197 | if (error->code == G_FILE_ERROR_ACCES) { | |
4c65a157 | 1198 | BT_COMP_LOGI("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1199 | start_path, error->message, error->code); |
1200 | goto end; | |
1201 | } | |
1202 | ||
4c65a157 | 1203 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1204 | start_path, error->message, error->code); |
1205 | ret = -1; | |
1206 | goto end; | |
1207 | } | |
1208 | ||
1209 | while ((basename = g_dir_read_name(dir))) { | |
1210 | GString *sub_path = g_string_new(NULL); | |
1211 | ||
1212 | if (!sub_path) { | |
1213 | ret = -1; | |
1214 | goto end; | |
1215 | } | |
1216 | ||
3743a302 | 1217 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
98903a3e | 1218 | ret = ctf_fs_find_traces(trace_paths, sub_path->str, |
4c65a157 | 1219 | log_level, self_comp); |
1a9f7075 PP |
1220 | g_string_free(sub_path, TRUE); |
1221 | if (ret) { | |
1222 | goto end; | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | end: | |
1227 | if (dir) { | |
1228 | g_dir_close(dir); | |
1229 | } | |
1230 | ||
1231 | if (error) { | |
1232 | g_error_free(error); | |
1233 | } | |
1234 | ||
1235 | return ret; | |
1236 | } | |
1237 | ||
f280892e | 1238 | static |
55314f2a | 1239 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1240 | GList *trace_names = NULL; |
1a9f7075 | 1241 | GList *node; |
4bd72b60 PP |
1242 | const char *last_sep; |
1243 | size_t base_dist; | |
1a9f7075 PP |
1244 | |
1245 | /* | |
4bd72b60 PP |
1246 | * At this point we know that all the trace paths are |
1247 | * normalized, and so is the base path. This means that | |
1248 | * they are absolute and they don't end with a separator. | |
1249 | * We can simply find the location of the last separator | |
1250 | * in the base path, which gives us the name of the actual | |
1251 | * directory to look into, and use this location as the | |
1252 | * start of each trace name within each trace path. | |
1253 | * | |
1254 | * For example: | |
1255 | * | |
1256 | * Base path: /home/user/my-traces/some-trace | |
1257 | * Trace paths: | |
1258 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1259 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1260 | * - /home/user/my-traces/some-trace/host2/trace | |
1261 | * - /home/user/my-traces/some-trace/other-trace | |
1262 | * | |
1263 | * In this case the trace names are: | |
1264 | * | |
1265 | * - some-trace/host1/trace1 | |
1266 | * - some-trace/host1/trace2 | |
1267 | * - some-trace/host2/trace | |
1268 | * - some-trace/other-trace | |
1a9f7075 | 1269 | */ |
4bd72b60 | 1270 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1271 | |
4bd72b60 | 1272 | /* We know there's at least one separator */ |
f6ccaed9 | 1273 | BT_ASSERT(last_sep); |
1a9f7075 | 1274 | |
4bd72b60 PP |
1275 | /* Distance to base */ |
1276 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1277 | |
1278 | /* Create the trace names */ | |
1279 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1280 | GString *trace_name = g_string_new(NULL); | |
1281 | GString *trace_path = node->data; | |
1282 | ||
f6ccaed9 | 1283 | BT_ASSERT(trace_name); |
4bd72b60 | 1284 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1285 | trace_names = g_list_append(trace_names, trace_name); |
1286 | } | |
1287 | ||
1288 | return trace_names; | |
1289 | } | |
1290 | ||
f280892e SM |
1291 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1292 | ||
1a9f7075 | 1293 | static |
4c65a157 | 1294 | int ctf_fs_component_create_ctf_fs_traces_one_root( |
41693723 | 1295 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1296 | const char *path_param) |
1297 | { | |
1298 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1299 | int ret = 0; | |
4bd72b60 | 1300 | GString *norm_path = NULL; |
1a9f7075 PP |
1301 | GList *trace_paths = NULL; |
1302 | GList *trace_names = NULL; | |
1303 | GList *tp_node; | |
1304 | GList *tn_node; | |
98903a3e | 1305 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1306 | bt_self_component *self_comp = ctf_fs->self_comp; |
1a9f7075 | 1307 | |
4bd72b60 PP |
1308 | norm_path = bt_common_normalize_path(path_param, NULL); |
1309 | if (!norm_path) { | |
4c65a157 | 1310 | BT_COMP_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1311 | path_param); |
1312 | goto error; | |
1313 | } | |
1314 | ||
4c65a157 PP |
1315 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str, log_level, |
1316 | self_comp); | |
1a9f7075 PP |
1317 | if (ret) { |
1318 | goto error; | |
1319 | } | |
1320 | ||
1321 | if (!trace_paths) { | |
4c65a157 | 1322 | BT_COMP_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 | 1323 | path_param); |
3fdffb55 PP |
1324 | (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT( |
1325 | ctf_fs->self_comp, | |
1326 | "No CTF traces recursively found in `%s`.", path_param); | |
1a9f7075 PP |
1327 | goto error; |
1328 | } | |
1329 | ||
55314f2a | 1330 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1331 | if (!trace_names) { |
4c65a157 | 1332 | BT_COMP_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1333 | goto error; |
1334 | } | |
1335 | ||
1336 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1337 | tp_node = g_list_next(tp_node), | |
1338 | tn_node = g_list_next(tn_node)) { | |
1339 | GString *trace_path = tp_node->data; | |
1340 | GString *trace_name = tn_node->data; | |
1341 | ||
41693723 PP |
1342 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1343 | trace_path->str, trace_name->str, | |
98903a3e PP |
1344 | &ctf_fs->metadata_config, |
1345 | log_level); | |
1a9f7075 | 1346 | if (!ctf_fs_trace) { |
4c65a157 | 1347 | BT_COMP_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1348 | trace_path->str); |
1349 | goto error; | |
1350 | } | |
52c5fe74 PP |
1351 | |
1352 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1353 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1354 | } |
1355 | ||
1a9f7075 PP |
1356 | goto end; |
1357 | ||
1358 | error: | |
1359 | ret = -1; | |
1360 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1361 | ||
1362 | end: | |
1363 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1364 | if (tp_node->data) { | |
1365 | g_string_free(tp_node->data, TRUE); | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1370 | if (tn_node->data) { | |
1371 | g_string_free(tn_node->data, TRUE); | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | if (trace_paths) { | |
1376 | g_list_free(trace_paths); | |
1377 | } | |
1378 | ||
1379 | if (trace_names) { | |
1380 | g_list_free(trace_names); | |
1381 | } | |
1382 | ||
4bd72b60 PP |
1383 | if (norm_path) { |
1384 | g_string_free(norm_path, TRUE); | |
1385 | } | |
1386 | ||
1a9f7075 PP |
1387 | return ret; |
1388 | } | |
1389 | ||
41a65f30 SM |
1390 | /* GCompareFunc to sort traces by UUID. */ |
1391 | ||
1392 | static | |
1393 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1394 | { | |
1395 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1396 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1397 | ||
1398 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1399 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1400 | gint ret; | |
1401 | ||
1402 | /* Order traces without uuid first. */ | |
1403 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1404 | ret = -1; | |
1405 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1406 | ret = 1; | |
1407 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1408 | ret = 0; | |
1409 | } else { | |
1410 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1411 | } | |
1412 | ||
1413 | return ret; | |
1414 | } | |
1415 | ||
1416 | /* | |
1417 | * Count the number of stream and event classes defined by this trace's metadata. | |
1418 | * | |
1419 | * This is used to determine which metadata is the "latest", out of multiple | |
1420 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1421 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1422 | * enough to just count the classes. | |
1423 | */ | |
1424 | ||
1425 | static | |
1426 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1427 | { | |
1428 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1429 | guint i; | |
1430 | ||
1431 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1432 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1433 | num += sc->event_classes->len; | |
1434 | } | |
1435 | ||
1436 | return num; | |
1437 | } | |
1438 | ||
1439 | /* | |
1440 | * Merge the src ds_file_group into dest. This consists of merging their | |
1441 | * ds_file_infos, making sure to keep the result sorted. | |
1442 | */ | |
1443 | ||
1444 | static | |
1445 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1446 | { | |
1447 | guint i; | |
1448 | ||
1449 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1450 | struct ctf_fs_ds_file_info *ds_file_info = | |
1451 | g_ptr_array_index(src->ds_file_infos, i); | |
1452 | ||
1453 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1454 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1455 | ||
1456 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1457 | } | |
41a65f30 | 1458 | |
7ed5243a FD |
1459 | /* Merge both indexes. */ |
1460 | for (i = 0; i < src->index->entries->len; i++) { | |
1461 | struct ctf_fs_ds_index_entry *entry = g_ptr_array_index( | |
1462 | src->index->entries, i); | |
1463 | ||
1464 | /* | |
1465 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
1466 | * dest. | |
1467 | */ | |
1468 | g_ptr_array_index(src->index->entries, i) = NULL; | |
1469 | ||
1470 | ds_file_group_insert_ds_index_entry_sorted(dest, entry); | |
1471 | } | |
1472 | } | |
41a65f30 SM |
1473 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1474 | ||
1475 | static | |
54ef52bd | 1476 | int merge_matching_ctf_fs_ds_file_groups( |
41a65f30 SM |
1477 | struct ctf_fs_trace *dest_trace, |
1478 | struct ctf_fs_trace *src_trace) | |
1479 | { | |
1480 | ||
1481 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1482 | GPtrArray *src = src_trace->ds_file_groups; | |
1483 | guint s_i; | |
54ef52bd | 1484 | int ret = 0; |
41a65f30 SM |
1485 | |
1486 | /* | |
1487 | * Save the initial length of dest: we only want to check against the | |
1488 | * original elements in the inner loop. | |
1489 | */ | |
1490 | const guint dest_len = dest->len; | |
1491 | ||
1492 | for (s_i = 0; s_i < src->len; s_i++) { | |
1493 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1494 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1495 | ||
1496 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1497 | if (src_group->stream_id != -1) { | |
1498 | guint d_i; | |
1499 | ||
1500 | /* Let's search for a matching ds_file_group in the destination. */ | |
1501 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1502 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1503 | ||
1504 | /* Can't match a stream instance without ID. */ | |
1505 | if (candidate_dest->stream_id == -1) { | |
1506 | continue; | |
1507 | } | |
1508 | ||
1509 | /* | |
1510 | * If the two groups have the same stream instance id | |
1511 | * and belong to the same stream class (stream instance | |
1512 | * ids are per-stream class), they represent the same | |
1513 | * stream instance. | |
1514 | */ | |
1515 | if (candidate_dest->stream_id != src_group->stream_id || | |
1516 | candidate_dest->sc->id != src_group->sc->id) { | |
1517 | continue; | |
1518 | } | |
1519 | ||
1520 | dest_group = candidate_dest; | |
1521 | break; | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | /* | |
1526 | * Didn't find a friend in dest to merge our src_group into? | |
7ed5243a FD |
1527 | * Create a new empty one. This can happen if a stream was |
1528 | * active in the source trace chunk but not in the destination | |
1529 | * trace chunk. | |
41a65f30 SM |
1530 | */ |
1531 | if (!dest_group) { | |
1532 | struct ctf_stream_class *sc; | |
7ed5243a | 1533 | struct ctf_fs_ds_index *index; |
41a65f30 SM |
1534 | |
1535 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1536 | dest_trace->metadata->tc, src_group->sc->id); | |
1537 | BT_ASSERT(sc); | |
1538 | ||
4c65a157 PP |
1539 | index = ctf_fs_ds_index_create(dest_trace->log_level, |
1540 | dest_trace->self_comp); | |
7ed5243a FD |
1541 | if (!index) { |
1542 | ret = -1; | |
1543 | goto end; | |
1544 | } | |
1545 | ||
41a65f30 | 1546 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
7ed5243a FD |
1547 | src_group->stream_id, index); |
1548 | /* Ownership of index is transferred. */ | |
1549 | index = NULL; | |
54ef52bd FD |
1550 | if (!dest_group) { |
1551 | ret = -1; | |
1552 | goto end; | |
1553 | } | |
41a65f30 SM |
1554 | |
1555 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1556 | } | |
1557 | ||
1558 | BT_ASSERT(dest_group); | |
1559 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1560 | } | |
54ef52bd FD |
1561 | |
1562 | end: | |
1563 | return ret; | |
41a65f30 SM |
1564 | } |
1565 | ||
1566 | /* | |
1567 | * Collapse the given traces, which must all share the same UUID, in a single | |
1568 | * one. | |
1569 | * | |
1570 | * The trace with the most expansive metadata is chosen and all other traces | |
1571 | * are merged into that one. The array slots of all the traces that get merged | |
1572 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1573 | * remains non-NULL. | |
1574 | */ | |
1575 | ||
1576 | static | |
54ef52bd | 1577 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) |
41a65f30 SM |
1578 | { |
1579 | unsigned int winner_count; | |
1580 | struct ctf_fs_trace *winner; | |
1581 | guint i; | |
54ef52bd | 1582 | int ret = 0; |
41a65f30 SM |
1583 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
1584 | ||
1585 | BT_ASSERT(num_traces >= 2); | |
1586 | ||
1587 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1588 | winner = traces[0]; | |
1589 | ||
1590 | /* Find the trace with the largest metadata. */ | |
1591 | for (i = 1; i < num_traces; i++) { | |
1592 | struct ctf_fs_trace *candidate; | |
1593 | unsigned int candidate_count; | |
1594 | ||
1595 | candidate = traces[i]; | |
1596 | ||
1597 | /* A bit of sanity check. */ | |
1598 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1599 | ||
1600 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1601 | ||
1602 | if (candidate_count > winner_count) { | |
1603 | winner_count = candidate_count; | |
1604 | winner = candidate; | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | /* Merge all the other traces in the winning trace. */ | |
1609 | for (i = 0; i < num_traces; i++) { | |
1610 | struct ctf_fs_trace *trace = traces[i]; | |
1611 | ||
1612 | /* Don't merge the winner into itself. */ | |
1613 | if (trace == winner) { | |
1614 | continue; | |
1615 | } | |
1616 | ||
1617 | /* Merge trace's data stream file groups into winner's. */ | |
54ef52bd FD |
1618 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1619 | if (ret) { | |
1620 | goto end; | |
1621 | } | |
41a65f30 SM |
1622 | |
1623 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1624 | ctf_fs_trace_destroy(trace); | |
1625 | traces[i] = NULL; | |
1626 | } | |
1627 | ||
1628 | /* Use the string representation of the UUID as the trace name. */ | |
1629 | bt_uuid_unparse(winner->metadata->tc->uuid, uuid_str); | |
1630 | g_string_printf(winner->name, "%s", uuid_str); | |
54ef52bd FD |
1631 | |
1632 | end: | |
1633 | return ret; | |
41a65f30 SM |
1634 | } |
1635 | ||
1636 | /* | |
1637 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1638 | * Traces with no UUID are not merged. | |
1639 | */ | |
1640 | ||
1641 | static | |
54ef52bd | 1642 | int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) |
41a65f30 SM |
1643 | { |
1644 | GPtrArray *traces = ctf_fs->traces; | |
1645 | guint range_start_idx = 0; | |
1646 | unsigned int num_traces = 0; | |
1647 | guint i; | |
54ef52bd | 1648 | int ret = 0; |
41a65f30 SM |
1649 | |
1650 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1651 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1652 | ||
1653 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1654 | while (range_start_idx < traces->len) { | |
1655 | guint range_len; | |
1656 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1657 | ||
1658 | /* Exclusive end of range. */ | |
1659 | guint range_end_exc_idx = range_start_idx + 1; | |
1660 | ||
1661 | while (range_end_exc_idx < traces->len) { | |
1662 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1663 | ||
1664 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1665 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1666 | break; | |
1667 | } | |
1668 | ||
1669 | range_end_exc_idx++; | |
1670 | } | |
1671 | ||
1672 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1673 | range_len = range_end_exc_idx - range_start_idx; | |
1674 | if (range_len > 1) { | |
1675 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
54ef52bd FD |
1676 | ret = merge_ctf_fs_traces(range_start, range_len); |
1677 | if (ret) { | |
1678 | goto end; | |
1679 | } | |
41a65f30 SM |
1680 | } |
1681 | ||
1682 | num_traces++; | |
1683 | range_start_idx = range_end_exc_idx; | |
1684 | } | |
1685 | ||
1686 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1687 | for (i = 0; i < traces->len;) { | |
1688 | if (g_ptr_array_index(traces, i) == NULL) { | |
1689 | g_ptr_array_remove_index_fast(traces, i); | |
1690 | } else { | |
1691 | i++; | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | BT_ASSERT(num_traces == traces->len); | |
54ef52bd FD |
1696 | |
1697 | end: | |
1698 | return ret; | |
41a65f30 SM |
1699 | } |
1700 | ||
f280892e SM |
1701 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
1702 | struct ctf_fs_component *ctf_fs, | |
1703 | const bt_value *paths_value) | |
1704 | { | |
1705 | int ret = 0; | |
1706 | uint64_t i; | |
1707 | ||
1708 | for (i = 0; i < bt_value_array_get_size(paths_value); i++) { | |
1709 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1710 | const char *path = bt_value_string_get(path_value); | |
1711 | ||
4c65a157 PP |
1712 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(ctf_fs, |
1713 | path); | |
f280892e SM |
1714 | if (ret) { |
1715 | goto end; | |
1716 | } | |
1717 | } | |
1718 | ||
54ef52bd | 1719 | ret = merge_traces_with_same_uuid(ctf_fs); |
41a65f30 | 1720 | |
f280892e SM |
1721 | end: |
1722 | return ret; | |
1723 | } | |
1724 | ||
a38d7650 SM |
1725 | static |
1726 | GString *get_stream_instance_unique_name( | |
1727 | struct ctf_fs_ds_file_group *ds_file_group) | |
1728 | { | |
1729 | GString *name; | |
1730 | struct ctf_fs_ds_file_info *ds_file_info; | |
1731 | ||
1732 | name = g_string_new(NULL); | |
1733 | if (!name) { | |
1734 | goto end; | |
1735 | } | |
1736 | ||
1737 | /* | |
1738 | * If there's more than one stream file in the stream file | |
1739 | * group, the first (earliest) stream file's path is used as | |
1740 | * the stream's unique name. | |
1741 | */ | |
1742 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
1743 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
1744 | g_string_assign(name, ds_file_info->path->str); | |
1745 | ||
1746 | end: | |
1747 | return name; | |
1748 | } | |
1749 | ||
f280892e SM |
1750 | /* Create the IR stream objects for ctf_fs_trace. */ |
1751 | ||
1752 | static | |
1753 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
1754 | { | |
1755 | int ret; | |
1756 | GString *name = NULL; | |
1757 | guint i; | |
98903a3e | 1758 | bt_logging_level log_level = ctf_fs_trace->log_level; |
4c65a157 | 1759 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
f280892e SM |
1760 | |
1761 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
1762 | struct ctf_fs_ds_file_group *ds_file_group = | |
1763 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
1764 | name = get_stream_instance_unique_name(ds_file_group); | |
1765 | ||
1766 | if (!name) { | |
1767 | goto error; | |
1768 | } | |
1769 | ||
1770 | if (ds_file_group->sc->ir_sc) { | |
1771 | BT_ASSERT(ctf_fs_trace->trace); | |
1772 | ||
1773 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1774 | /* No stream ID: use 0 */ | |
1775 | ds_file_group->stream = bt_stream_create_with_id( | |
1776 | ds_file_group->sc->ir_sc, | |
1777 | ctf_fs_trace->trace, | |
1778 | ctf_fs_trace->next_stream_id); | |
1779 | ctf_fs_trace->next_stream_id++; | |
1780 | } else { | |
1781 | /* Specific stream ID */ | |
1782 | ds_file_group->stream = bt_stream_create_with_id( | |
1783 | ds_file_group->sc->ir_sc, | |
1784 | ctf_fs_trace->trace, | |
1785 | (uint64_t) ds_file_group->stream_id); | |
1786 | } | |
1787 | } else { | |
1788 | ds_file_group->stream = NULL; | |
1789 | } | |
1790 | ||
1791 | if (!ds_file_group->stream) { | |
4c65a157 | 1792 | BT_COMP_LOGE("Cannot create stream for DS file group: " |
f280892e SM |
1793 | "addr=%p, stream-name=\"%s\"", |
1794 | ds_file_group, name->str); | |
1795 | goto error; | |
1796 | } | |
1797 | ||
1798 | ret = bt_stream_set_name(ds_file_group->stream, | |
1799 | name->str); | |
1800 | if (ret) { | |
4c65a157 | 1801 | BT_COMP_LOGE("Cannot set stream's name: " |
f280892e SM |
1802 | "addr=%p, stream-name=\"%s\"", |
1803 | ds_file_group->stream, name->str); | |
1804 | goto error; | |
1805 | } | |
1806 | ||
1807 | g_string_free(name, TRUE); | |
1808 | name = NULL; | |
1809 | } | |
1810 | ||
1811 | ret = 0; | |
1812 | goto end; | |
1813 | ||
1814 | error: | |
1815 | ret = -1; | |
1816 | ||
1817 | end: | |
1818 | ||
1819 | if (name) { | |
1820 | g_string_free(name, TRUE); | |
1821 | } | |
1822 | return ret; | |
1823 | } | |
1824 | ||
d907165c SM |
1825 | /* |
1826 | * Validate the "paths" parameter passed to this component. It must be | |
1827 | * present, and it must be an array of strings. | |
1828 | */ | |
1829 | ||
1830 | static | |
98903a3e PP |
1831 | bool validate_paths_parameter(struct ctf_fs_component *ctf_fs, |
1832 | const bt_value *paths) | |
f280892e SM |
1833 | { |
1834 | bool ret; | |
1835 | bt_value_type type; | |
1836 | uint64_t i; | |
98903a3e | 1837 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1838 | bt_self_component *self_comp = ctf_fs->self_comp; |
f280892e SM |
1839 | |
1840 | if (!paths) { | |
4c65a157 | 1841 | BT_COMP_LOGE("missing \"paths\" parameter"); |
f280892e SM |
1842 | goto error; |
1843 | } | |
1844 | ||
1845 | type = bt_value_get_type(paths); | |
1846 | if (type != BT_VALUE_TYPE_ARRAY) { | |
4c65a157 | 1847 | BT_COMP_LOGE("`paths` parameter: expecting array value: type=%s", |
f280892e SM |
1848 | bt_common_value_type_string(type)); |
1849 | goto error; | |
1850 | } | |
1851 | ||
1852 | for (i = 0; i < bt_value_array_get_size(paths); i++) { | |
1853 | const bt_value *elem; | |
1854 | ||
1855 | elem = bt_value_array_borrow_element_by_index_const(paths, i); | |
1856 | type = bt_value_get_type(elem); | |
1857 | if (type != BT_VALUE_TYPE_STRING) { | |
4c65a157 | 1858 | BT_COMP_LOGE("`paths` parameter: expecting string value: index=%" PRIu64 ", type=%s", |
f280892e SM |
1859 | i, bt_common_value_type_string(type)); |
1860 | goto error; | |
1861 | } | |
1862 | } | |
1863 | ||
1864 | ret = true; | |
1865 | goto end; | |
1866 | ||
1867 | error: | |
1868 | ret = false; | |
1869 | ||
1870 | end: | |
1871 | return ret; | |
1872 | } | |
1873 | ||
d907165c SM |
1874 | bool read_src_fs_parameters(const bt_value *params, |
1875 | const bt_value **paths, struct ctf_fs_component *ctf_fs) { | |
1876 | bool ret; | |
1877 | const bt_value *value; | |
98903a3e | 1878 | bt_logging_level log_level = ctf_fs->log_level; |
4c65a157 | 1879 | bt_self_component *self_comp = ctf_fs->self_comp; |
d907165c SM |
1880 | |
1881 | /* paths parameter */ | |
1882 | *paths = bt_value_map_borrow_entry_value_const(params, "paths"); | |
98903a3e | 1883 | if (!validate_paths_parameter(ctf_fs, *paths)) { |
d907165c SM |
1884 | goto error; |
1885 | } | |
1886 | ||
1887 | /* clock-class-offset-s parameter */ | |
1888 | value = bt_value_map_borrow_entry_value_const(params, | |
1889 | "clock-class-offset-s"); | |
1890 | if (value) { | |
fdd3a2da | 1891 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 1892 | BT_COMP_LOGE("clock-class-offset-s must be an integer"); |
d907165c SM |
1893 | goto error; |
1894 | } | |
1895 | ctf_fs->metadata_config.clock_class_offset_s = | |
fdd3a2da | 1896 | bt_value_signed_integer_get(value); |
d907165c SM |
1897 | } |
1898 | ||
1899 | /* clock-class-offset-ns parameter */ | |
1900 | value = bt_value_map_borrow_entry_value_const(params, | |
1901 | "clock-class-offset-ns"); | |
1902 | if (value) { | |
fdd3a2da | 1903 | if (!bt_value_is_signed_integer(value)) { |
4c65a157 | 1904 | BT_COMP_LOGE("clock-class-offset-ns must be an integer"); |
d907165c SM |
1905 | goto error; |
1906 | } | |
1907 | ctf_fs->metadata_config.clock_class_offset_ns = | |
fdd3a2da | 1908 | bt_value_signed_integer_get(value); |
d907165c SM |
1909 | } |
1910 | ||
1911 | ||
1912 | ret = true; | |
1913 | goto end; | |
1914 | ||
1915 | error: | |
1916 | ret = false; | |
1917 | ||
1918 | end: | |
1919 | return ret; | |
1920 | } | |
1921 | ||
5b29e799 | 1922 | static |
d94d92ac | 1923 | struct ctf_fs_component *ctf_fs_create( |
98903a3e | 1924 | bt_self_component_source *self_comp_src, |
b19ff26f | 1925 | const bt_value *params) |
56a1cced | 1926 | { |
f280892e | 1927 | struct ctf_fs_component *ctf_fs = NULL; |
f280892e SM |
1928 | guint i; |
1929 | const bt_value *paths_value; | |
98903a3e PP |
1930 | bt_self_component *self_comp = |
1931 | bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1932 | |
98903a3e | 1933 | ctf_fs = ctf_fs_component_create(bt_component_get_logging_level( |
4c65a157 | 1934 | bt_self_component_as_component(self_comp)), self_comp); |
d907165c | 1935 | if (!ctf_fs) { |
f280892e SM |
1936 | goto error; |
1937 | } | |
1938 | ||
d907165c | 1939 | if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) { |
f280892e | 1940 | goto error; |
56a1cced JG |
1941 | } |
1942 | ||
98903a3e | 1943 | bt_self_component_set_data(self_comp, ctf_fs); |
4c65a157 PP |
1944 | ctf_fs->self_comp = self_comp; |
1945 | ctf_fs->self_comp_src = self_comp_src; | |
56a1cced | 1946 | |
98903a3e | 1947 | if (ctf_fs_component_create_ctf_fs_traces(self_comp_src, ctf_fs, paths_value)) { |
4f1f88a6 PP |
1948 | goto error; |
1949 | } | |
1950 | ||
f280892e SM |
1951 | for (i = 0; i < ctf_fs->traces->len; i++) { |
1952 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 1953 | |
f280892e SM |
1954 | if (create_streams_for_trace(trace)) { |
1955 | goto error; | |
1956 | } | |
1957 | ||
1958 | if (create_ports_for_trace(ctf_fs, trace)) { | |
1959 | goto error; | |
1960 | } | |
4f1f88a6 PP |
1961 | } |
1962 | ||
1ef09eb5 JG |
1963 | goto end; |
1964 | ||
56a1cced | 1965 | error: |
1a9f7075 | 1966 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1967 | ctf_fs = NULL; |
98903a3e | 1968 | bt_self_component_set_data(self_comp, NULL); |
1a9f7075 | 1969 | |
1ef09eb5 | 1970 | end: |
56a1cced JG |
1971 | return ctf_fs; |
1972 | } | |
1973 | ||
ea0b4b9e | 1974 | BT_HIDDEN |
d24d5663 | 1975 | bt_component_class_init_method_status ctf_fs_init( |
b19ff26f | 1976 | bt_self_component_source *self_comp, |
c88dd1cb | 1977 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
1978 | { |
1979 | struct ctf_fs_component *ctf_fs; | |
d24d5663 PP |
1980 | bt_component_class_init_method_status ret = |
1981 | BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK; | |
ea0b4b9e | 1982 | |
d94d92ac | 1983 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1984 | if (!ctf_fs) { |
d24d5663 | 1985 | ret = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR; |
ea0b4b9e | 1986 | } |
4c1456f0 | 1987 | |
ea0b4b9e JG |
1988 | return ret; |
1989 | } | |
33f93973 PP |
1990 | |
1991 | BT_HIDDEN | |
d24d5663 | 1992 | bt_component_class_query_method_status ctf_fs_query( |
b19ff26f PP |
1993 | bt_self_component_class_source *comp_class, |
1994 | const bt_query_executor *query_exec, | |
1995 | const char *object, const bt_value *params, | |
98903a3e | 1996 | bt_logging_level log_level, |
b19ff26f | 1997 | const bt_value **result) |
33f93973 | 1998 | { |
d24d5663 PP |
1999 | bt_component_class_query_method_status status = |
2000 | BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
33f93973 | 2001 | |
04c0ba87 | 2002 | if (!strcmp(object, "metadata-info")) { |
98903a3e PP |
2003 | status = metadata_info_query(comp_class, params, log_level, |
2004 | result); | |
97ade20b | 2005 | } else if (!strcmp(object, "trace-info")) { |
98903a3e PP |
2006 | status = trace_info_query(comp_class, params, log_level, |
2007 | result); | |
33f93973 | 2008 | } else { |
55314f2a | 2009 | BT_LOGE("Unknown query object `%s`", object); |
d24d5663 | 2010 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_INVALID_OBJECT; |
04c0ba87 | 2011 | goto end; |
33f93973 | 2012 | } |
33f93973 | 2013 | end: |
d94d92ac | 2014 | return status; |
33f93973 | 2015 | } |