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 | ||
f67894f9 | 28 | #define BT_COMP_LOG_SELF_COMP self_comp |
3d731ea9 PP |
29 | #define BT_LOG_OUTPUT_LEVEL log_level |
30 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS" | |
f67894f9 | 31 | #include "plugins/comp-logging.h" |
3d731ea9 | 32 | |
57952005 | 33 | #include "common/common.h" |
71c5da58 | 34 | #include <babeltrace2/babeltrace.h> |
57952005 | 35 | #include "compat/uuid.h" |
ea0b4b9e | 36 | #include <glib.h> |
57952005 | 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" |
b09a5592 | 45 | #include "../common/msg-iter/msg-iter.h" |
04c0ba87 | 46 | #include "query.h" |
e7a4393b | 47 | |
94cf822e | 48 | static |
b09a5592 | 49 | int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e PP |
50 | { |
51 | struct ctf_fs_ds_file_info *ds_file_info; | |
52 | int ret = 0; | |
53 | ||
b09a5592 PP |
54 | BT_ASSERT(msg_iter_data->ds_file_info_index < |
55 | msg_iter_data->ds_file_group->ds_file_infos->len); | |
94cf822e | 56 | ds_file_info = g_ptr_array_index( |
b09a5592 PP |
57 | msg_iter_data->ds_file_group->ds_file_infos, |
58 | msg_iter_data->ds_file_info_index); | |
59 | ||
60 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); | |
61 | msg_iter_data->ds_file = ctf_fs_ds_file_create( | |
62 | msg_iter_data->ds_file_group->ctf_fs_trace, | |
63 | msg_iter_data->pc_msg_iter, | |
64 | msg_iter_data->msg_iter, | |
65 | msg_iter_data->ds_file_group->stream, | |
3d731ea9 PP |
66 | ds_file_info->path->str, |
67 | msg_iter_data->log_level); | |
b09a5592 | 68 | if (!msg_iter_data->ds_file) { |
94cf822e PP |
69 | ret = -1; |
70 | } | |
71 | ||
72 | return ret; | |
73 | } | |
74 | ||
75 | static | |
b09a5592 PP |
76 | void ctf_fs_msg_iter_data_destroy( |
77 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 78 | { |
b09a5592 | 79 | if (!msg_iter_data) { |
94cf822e PP |
80 | return; |
81 | } | |
82 | ||
b09a5592 | 83 | ctf_fs_ds_file_destroy(msg_iter_data->ds_file); |
55fa6491 | 84 | |
b09a5592 PP |
85 | if (msg_iter_data->msg_iter) { |
86 | bt_msg_iter_destroy(msg_iter_data->msg_iter); | |
55fa6491 PP |
87 | } |
88 | ||
b09a5592 | 89 | g_free(msg_iter_data); |
94cf822e PP |
90 | } |
91 | ||
bbbd35bf PP |
92 | static |
93 | void set_msg_iter_emits_stream_beginning_end_messages( | |
94 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
95 | { | |
96 | bt_msg_iter_set_emit_stream_beginning_message( | |
97 | msg_iter_data->ds_file->msg_iter, | |
98 | msg_iter_data->ds_file_info_index == 0); | |
99 | bt_msg_iter_set_emit_stream_end_message( | |
100 | msg_iter_data->ds_file->msg_iter, | |
101 | msg_iter_data->ds_file_info_index == | |
102 | msg_iter_data->ds_file_group->ds_file_infos->len - 1); | |
103 | } | |
104 | ||
3fd7b79d | 105 | static |
fb25b9e3 | 106 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next_one( |
b09a5592 | 107 | struct ctf_fs_msg_iter_data *msg_iter_data, |
bbbd35bf | 108 | const bt_message **out_msg) |
ea0b4b9e | 109 | { |
fb25b9e3 | 110 | bt_component_class_message_iterator_next_method_status status; |
94cf822e | 111 | |
b09a5592 | 112 | BT_ASSERT(msg_iter_data->ds_file); |
6ff151ad | 113 | |
bbbd35bf PP |
114 | while (true) { |
115 | bt_message *msg; | |
116 | ||
117 | status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg); | |
118 | switch (status) { | |
fb25b9e3 | 119 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK: |
bbbd35bf PP |
120 | *out_msg = msg; |
121 | msg = NULL; | |
6ff151ad | 122 | goto end; |
fb25b9e3 | 123 | case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END: |
bbbd35bf PP |
124 | { |
125 | int ret; | |
6ff151ad | 126 | |
bbbd35bf PP |
127 | if (msg_iter_data->ds_file_info_index == |
128 | msg_iter_data->ds_file_group->ds_file_infos->len - 1) { | |
129 | /* End of all group's stream files */ | |
130 | goto end; | |
131 | } | |
132 | ||
133 | msg_iter_data->ds_file_info_index++; | |
989925d1 PP |
134 | bt_msg_iter_reset_for_next_stream_file( |
135 | msg_iter_data->msg_iter); | |
bbbd35bf PP |
136 | set_msg_iter_emits_stream_beginning_end_messages( |
137 | msg_iter_data); | |
94cf822e | 138 | |
94cf822e | 139 | /* |
bbbd35bf PP |
140 | * Open and start reading the next stream file |
141 | * within our stream file group. | |
94cf822e | 142 | */ |
bbbd35bf PP |
143 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); |
144 | if (ret) { | |
fb25b9e3 | 145 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
bbbd35bf PP |
146 | goto end; |
147 | } | |
148 | ||
149 | /* Continue the loop to get the next message */ | |
150 | break; | |
94cf822e | 151 | } |
bbbd35bf | 152 | default: |
94cf822e PP |
153 | goto end; |
154 | } | |
94cf822e | 155 | } |
d01e0f33 | 156 | |
94cf822e | 157 | end: |
3fd7b79d PP |
158 | return status; |
159 | } | |
160 | ||
161 | BT_HIDDEN | |
fb25b9e3 | 162 | bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next( |
b09a5592 PP |
163 | bt_self_message_iterator *iterator, |
164 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
165 | uint64_t *count) |
166 | { | |
fb25b9e3 PP |
167 | bt_component_class_message_iterator_next_method_status status = |
168 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
b09a5592 PP |
169 | struct ctf_fs_msg_iter_data *msg_iter_data = |
170 | bt_self_message_iterator_get_data(iterator); | |
3fd7b79d PP |
171 | uint64_t i = 0; |
172 | ||
fb25b9e3 PP |
173 | while (i < capacity && |
174 | status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { | |
b09a5592 | 175 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); |
fb25b9e3 | 176 | if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
3fd7b79d PP |
177 | i++; |
178 | } | |
179 | } | |
180 | ||
181 | if (i > 0) { | |
182 | /* | |
183 | * Even if ctf_fs_iterator_next_one() returned something | |
fb25b9e3 | 184 | * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we |
b09a5592 PP |
185 | * accumulated message objects in the output |
186 | * message array, so we need to return | |
fb25b9e3 | 187 | * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are |
3fd7b79d | 188 | * transfered to downstream. This other status occurs |
b09a5592 | 189 | * again the next time muxer_msg_iter_do_next() is |
3fd7b79d | 190 | * called, possibly without any accumulated |
b09a5592 | 191 | * message, in which case we'll return it. |
3fd7b79d PP |
192 | */ |
193 | *count = i; | |
fb25b9e3 | 194 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
3fd7b79d PP |
195 | } |
196 | ||
197 | return status; | |
ea0b4b9e | 198 | } |
bfd20a42 | 199 | |
a02839ae PP |
200 | static |
201 | int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data) | |
202 | { | |
203 | int ret; | |
204 | ||
205 | msg_iter_data->ds_file_info_index = 0; | |
206 | ret = msg_iter_data_set_current_ds_file(msg_iter_data); | |
207 | if (ret) { | |
208 | goto end; | |
209 | } | |
210 | ||
211 | bt_msg_iter_reset(msg_iter_data->msg_iter); | |
212 | set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data); | |
213 | ||
214 | end: | |
215 | return ret; | |
216 | } | |
217 | ||
218 | BT_HIDDEN | |
fb25b9e3 PP |
219 | bt_component_class_message_iterator_seek_beginning_method_status |
220 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) | |
a02839ae PP |
221 | { |
222 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
223 | bt_self_message_iterator_get_data(it); | |
fb25b9e3 PP |
224 | bt_component_class_message_iterator_seek_beginning_method_status status = |
225 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; | |
a02839ae PP |
226 | |
227 | BT_ASSERT(msg_iter_data); | |
228 | if (ctf_fs_iterator_reset(msg_iter_data)) { | |
fb25b9e3 | 229 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR; |
a02839ae PP |
230 | } |
231 | ||
232 | return status; | |
233 | } | |
234 | ||
235 | BT_HIDDEN | |
b09a5592 | 236 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 237 | { |
b09a5592 PP |
238 | ctf_fs_msg_iter_data_destroy( |
239 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
240 | } |
241 | ||
a02839ae | 242 | BT_HIDDEN |
fb25b9e3 | 243 | bt_component_class_message_iterator_init_method_status ctf_fs_iterator_init( |
b09a5592 | 244 | bt_self_message_iterator *self_msg_iter, |
f67894f9 | 245 | bt_self_component_source *self_comp_src, |
8eee8ea2 | 246 | bt_self_component_port_output *self_port) |
4c1456f0 | 247 | { |
4f1f88a6 | 248 | struct ctf_fs_port_data *port_data; |
b09a5592 | 249 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
fb25b9e3 PP |
250 | bt_component_class_message_iterator_init_method_status ret = |
251 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK; | |
3d731ea9 | 252 | bt_logging_level log_level; |
f67894f9 | 253 | bt_self_component *self_comp; |
760051fa | 254 | |
834e9996 | 255 | port_data = bt_self_component_port_get_data( |
bb61965b | 256 | bt_self_component_port_output_as_self_component_port( |
834e9996 PP |
257 | self_port)); |
258 | BT_ASSERT(port_data); | |
3d731ea9 | 259 | log_level = port_data->ctf_fs->log_level; |
f67894f9 | 260 | self_comp = port_data->ctf_fs->self_comp; |
b09a5592 PP |
261 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
262 | if (!msg_iter_data) { | |
fb25b9e3 | 263 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR; |
94cf822e PP |
264 | goto error; |
265 | } | |
266 | ||
3d731ea9 | 267 | msg_iter_data->log_level = log_level; |
f67894f9 | 268 | msg_iter_data->self_comp = self_comp; |
b09a5592 PP |
269 | msg_iter_data->pc_msg_iter = self_msg_iter; |
270 | msg_iter_data->msg_iter = bt_msg_iter_create( | |
7b33a0e0 | 271 | port_data->ds_file_group->ctf_fs_trace->metadata->tc, |
3d731ea9 | 272 | bt_common_get_page_size(msg_iter_data->log_level) * 8, |
f67894f9 PP |
273 | ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level, |
274 | self_comp); | |
b09a5592 | 275 | if (!msg_iter_data->msg_iter) { |
f67894f9 | 276 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
fb25b9e3 | 277 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_MEMORY_ERROR; |
55fa6491 PP |
278 | goto error; |
279 | } | |
280 | ||
b09a5592 | 281 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
a02839ae | 282 | if (ctf_fs_iterator_reset(msg_iter_data)) { |
fb25b9e3 | 283 | ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR; |
4f1f88a6 | 284 | goto error; |
760051fa JG |
285 | } |
286 | ||
b09a5592 PP |
287 | bt_self_message_iterator_set_data(self_msg_iter, |
288 | msg_iter_data); | |
fb25b9e3 | 289 | if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK) { |
4f1f88a6 | 290 | goto error; |
760051fa JG |
291 | } |
292 | ||
b09a5592 | 293 | msg_iter_data = NULL; |
4f1f88a6 | 294 | goto end; |
5b29e799 | 295 | |
4f1f88a6 | 296 | error: |
b09a5592 | 297 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 298 | |
760051fa | 299 | end: |
b09a5592 | 300 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
760051fa JG |
301 | return ret; |
302 | } | |
303 | ||
bf5b7748 | 304 | BT_HIDDEN |
1a9f7075 | 305 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 306 | { |
4f1f88a6 | 307 | if (!ctf_fs) { |
8fa760ba JG |
308 | return; |
309 | } | |
4f1f88a6 | 310 | |
1a9f7075 PP |
311 | if (ctf_fs->traces) { |
312 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 313 | } |
4f1f88a6 PP |
314 | |
315 | if (ctf_fs->port_data) { | |
316 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 317 | } |
760051fa | 318 | |
1a9f7075 PP |
319 | g_free(ctf_fs); |
320 | } | |
321 | ||
bf5b7748 SM |
322 | static |
323 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
324 | { | |
325 | if (!port_data) { | |
326 | return; | |
327 | } | |
328 | ||
329 | g_free(port_data); | |
330 | } | |
331 | ||
332 | static | |
333 | void port_data_destroy_notifier(void *data) { | |
334 | port_data_destroy(data); | |
335 | } | |
336 | ||
337 | static | |
97ade20b | 338 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
1a9f7075 | 339 | { |
1a9f7075 PP |
340 | if (!ctf_fs_trace) { |
341 | return; | |
342 | } | |
343 | ||
94cf822e PP |
344 | if (ctf_fs_trace->ds_file_groups) { |
345 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
346 | } | |
347 | ||
8c6884d9 | 348 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
10b7a2e4 | 349 | |
1a9f7075 PP |
350 | if (ctf_fs_trace->path) { |
351 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 352 | } |
760051fa | 353 | |
1a9f7075 PP |
354 | if (ctf_fs_trace->name) { |
355 | g_string_free(ctf_fs_trace->name, TRUE); | |
356 | } | |
357 | ||
358 | if (ctf_fs_trace->metadata) { | |
359 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
360 | g_free(ctf_fs_trace->metadata); | |
361 | } | |
362 | ||
1a9f7075 | 363 | g_free(ctf_fs_trace); |
4c1456f0 JG |
364 | } |
365 | ||
97ade20b | 366 | static |
229f76ed | 367 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
368 | { |
369 | struct ctf_fs_trace *trace = data; | |
370 | ctf_fs_trace_destroy(trace); | |
371 | } | |
372 | ||
f67894f9 PP |
373 | struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level, |
374 | bt_self_component *self_comp) | |
a4792757 | 375 | { |
bf5b7748 | 376 | struct ctf_fs_component *ctf_fs; |
a4792757 | 377 | |
bf5b7748 SM |
378 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
379 | if (!ctf_fs) { | |
380 | goto error; | |
381 | } | |
4f1f88a6 | 382 | |
3d731ea9 | 383 | ctf_fs->log_level = log_level; |
f67894f9 | 384 | ctf_fs->self_comp = self_comp; |
bf5b7748 SM |
385 | ctf_fs->port_data = |
386 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
387 | if (!ctf_fs->port_data) { | |
388 | goto error; | |
4f1f88a6 PP |
389 | } |
390 | ||
bf5b7748 SM |
391 | ctf_fs->traces = |
392 | g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
393 | if (!ctf_fs->traces) { | |
394 | goto error; | |
395 | } | |
396 | ||
397 | goto end; | |
398 | ||
399 | error: | |
400 | if (ctf_fs) { | |
401 | ctf_fs_destroy(ctf_fs); | |
402 | } | |
403 | ||
404 | end: | |
405 | return ctf_fs; | |
406 | } | |
407 | ||
408 | void ctf_fs_finalize(bt_self_component_source *component) | |
409 | { | |
410 | ctf_fs_destroy(bt_self_component_get_data( | |
411 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
412 | } |
413 | ||
ddf49b27 | 414 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
d09752f8 | 415 | { |
ddf49b27 | 416 | GString *name = g_string_new(NULL); |
d09752f8 | 417 | |
ddf49b27 SM |
418 | /* |
419 | * The unique port name is generated by concatenating unique identifiers | |
420 | * for: | |
421 | * | |
422 | * - the trace | |
423 | * - the stream class | |
424 | * - the stream | |
425 | */ | |
426 | ||
427 | /* For the trace, use the uuid if present, else the path. */ | |
428 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
429 | char uuid_str[BABELTRACE_UUID_STR_LEN]; | |
430 | ||
431 | bt_uuid_unparse(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
432 | g_string_assign(name, uuid_str); | |
433 | } else { | |
434 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
d09752f8 PP |
435 | } |
436 | ||
437 | /* | |
ddf49b27 SM |
438 | * For the stream class, use the id if present. We can omit this field |
439 | * otherwise, as there will only be a single stream class. | |
d09752f8 | 440 | */ |
ddf49b27 SM |
441 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
442 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
443 | } | |
d09752f8 | 444 | |
ddf49b27 SM |
445 | /* For the stream, use the id if present, else, use the path. */ |
446 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
447 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
448 | } else { | |
449 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
450 | struct ctf_fs_ds_file_info *ds_file_info = | |
451 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
452 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
453 | } | |
454 | ||
455 | return g_string_free(name, FALSE); | |
d09752f8 PP |
456 | } |
457 | ||
5b29e799 | 458 | static |
55314f2a JG |
459 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
460 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 461 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 462 | { |
4f1f88a6 | 463 | int ret = 0; |
4f1f88a6 | 464 | struct ctf_fs_port_data *port_data = NULL; |
ddf49b27 | 465 | gchar *port_name; |
3d731ea9 | 466 | bt_logging_level log_level = ctf_fs->log_level; |
f67894f9 | 467 | bt_self_component *self_comp = ctf_fs->self_comp; |
4f1f88a6 | 468 | |
ddf49b27 | 469 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
470 | if (!port_name) { |
471 | goto error; | |
472 | } | |
473 | ||
f67894f9 | 474 | BT_COMP_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
475 | |
476 | /* Create output port for this file */ | |
4f1f88a6 PP |
477 | port_data = g_new0(struct ctf_fs_port_data, 1); |
478 | if (!port_data) { | |
479 | goto error; | |
480 | } | |
481 | ||
f7c3ac09 | 482 | port_data->ctf_fs = ctf_fs; |
94cf822e | 483 | port_data->ds_file_group = ds_file_group; |
834e9996 | 484 | ret = bt_self_component_source_add_output_port( |
f67894f9 | 485 | ctf_fs->self_comp_src, port_name, port_data, NULL); |
147337a3 | 486 | if (ret) { |
4f1f88a6 PP |
487 | goto error; |
488 | } | |
489 | ||
490 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
491 | port_data = NULL; | |
492 | goto end; | |
493 | ||
494 | error: | |
495 | ret = -1; | |
496 | ||
497 | end: | |
498 | if (port_name) { | |
ddf49b27 | 499 | g_free(port_name); |
4f1f88a6 PP |
500 | } |
501 | ||
4f1f88a6 PP |
502 | port_data_destroy(port_data); |
503 | return ret; | |
5b29e799 JG |
504 | } |
505 | ||
506 | static | |
55314f2a JG |
507 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
508 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
509 | { |
510 | int ret = 0; | |
94cf822e | 511 | size_t i; |
3d731ea9 | 512 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 513 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e PP |
514 | |
515 | /* Create one output port for each stream file group */ | |
516 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
517 | struct ctf_fs_ds_file_group *ds_file_group = | |
518 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
519 | ||
55314f2a JG |
520 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
521 | ds_file_group); | |
94cf822e | 522 | if (ret) { |
f67894f9 | 523 | BT_COMP_LOGE("Cannot create output port."); |
94cf822e PP |
524 | goto end; |
525 | } | |
526 | } | |
527 | ||
528 | end: | |
529 | return ret; | |
530 | } | |
531 | ||
94cf822e PP |
532 | static |
533 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
534 | { | |
535 | if (!ds_file_info) { | |
536 | return; | |
537 | } | |
538 | ||
539 | if (ds_file_info->path) { | |
540 | g_string_free(ds_file_info->path, TRUE); | |
541 | } | |
542 | ||
543 | g_free(ds_file_info); | |
544 | } | |
545 | ||
546 | static | |
547 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
779f4a23 | 548 | int64_t begin_ns) |
94cf822e PP |
549 | { |
550 | struct ctf_fs_ds_file_info *ds_file_info; | |
551 | ||
552 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
553 | if (!ds_file_info) { | |
554 | goto end; | |
555 | } | |
556 | ||
557 | ds_file_info->path = g_string_new(path); | |
558 | if (!ds_file_info->path) { | |
559 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
560 | ds_file_info = NULL; | |
561 | goto end; | |
562 | } | |
563 | ||
564 | ds_file_info->begin_ns = begin_ns; | |
565 | ||
566 | end: | |
567 | return ds_file_info; | |
568 | } | |
569 | ||
570 | static | |
571 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
572 | { | |
573 | if (!ds_file_group) { | |
574 | return; | |
575 | } | |
576 | ||
577 | if (ds_file_group->ds_file_infos) { | |
578 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
579 | } | |
580 | ||
779f4a23 FD |
581 | if (ds_file_group->index) { |
582 | if (ds_file_group->index->entries) { | |
583 | g_ptr_array_free(ds_file_group->index->entries, TRUE); | |
584 | } | |
585 | g_free(ds_file_group->index); | |
586 | } | |
587 | ||
8c6884d9 | 588 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
589 | g_free(ds_file_group); |
590 | } | |
591 | ||
592 | static | |
593 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
594 | struct ctf_fs_trace *ctf_fs_trace, | |
28faa416 | 595 | struct ctf_stream_class *sc, |
779f4a23 FD |
596 | uint64_t stream_instance_id, |
597 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
598 | { |
599 | struct ctf_fs_ds_file_group *ds_file_group; | |
600 | ||
94cf822e PP |
601 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
602 | if (!ds_file_group) { | |
603 | goto error; | |
604 | } | |
605 | ||
606 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
607 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
608 | if (!ds_file_group->ds_file_infos) { | |
609 | goto error; | |
610 | } | |
611 | ||
779f4a23 FD |
612 | ds_file_group->index = index; |
613 | ||
d09752f8 | 614 | ds_file_group->stream_id = stream_instance_id; |
28faa416 PP |
615 | BT_ASSERT(sc); |
616 | ds_file_group->sc = sc; | |
94cf822e | 617 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
618 | goto end; |
619 | ||
620 | error: | |
621 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
779f4a23 | 622 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
623 | ds_file_group = NULL; |
624 | ||
625 | end: | |
626 | return ds_file_group; | |
627 | } | |
628 | ||
2b5f969e MJ |
629 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
630 | static | |
631 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
632 | { | |
633 | size_t original_array_len = array->len; | |
634 | ||
635 | /* Allocate an unused element at the end of the array. */ | |
636 | g_ptr_array_add(array, NULL); | |
637 | ||
638 | /* If we are not inserting at the end, move the elements by one. */ | |
639 | if (pos < original_array_len) { | |
640 | memmove(&(array->pdata[pos + 1]), | |
641 | &(array->pdata[pos]), | |
642 | (original_array_len - pos) * sizeof(gpointer)); | |
643 | } | |
644 | ||
9f197a0c | 645 | /* Insert the value. */ |
2b5f969e MJ |
646 | array->pdata[pos] = element; |
647 | } | |
648 | ||
adb623c2 SM |
649 | /* |
650 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
651 | * place to keep it sorted. | |
652 | */ | |
653 | ||
654 | static | |
655 | void ds_file_group_insert_ds_file_info_sorted( | |
656 | struct ctf_fs_ds_file_group *ds_file_group, | |
657 | struct ctf_fs_ds_file_info *ds_file_info) | |
658 | { | |
659 | guint i; | |
660 | ||
661 | /* Find the spot where to insert this ds_file_info. */ | |
662 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
663 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
664 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
665 | ||
666 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
667 | break; | |
668 | } | |
669 | } | |
670 | ||
671 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
672 | } | |
673 | ||
779f4a23 FD |
674 | static |
675 | void ds_file_group_insert_ds_index_entry_sorted( | |
676 | struct ctf_fs_ds_file_group *ds_file_group, | |
677 | struct ctf_fs_ds_index_entry *entry) | |
678 | { | |
679 | guint i; | |
680 | ||
681 | /* Find the spot where to insert this index entry. */ | |
682 | for (i = 0; i < ds_file_group->index->entries->len; i++) { | |
683 | struct ctf_fs_ds_index_entry *other_entry = g_ptr_array_index( | |
684 | ds_file_group->index->entries, i); | |
685 | ||
686 | if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) { | |
687 | break; | |
688 | } | |
689 | } | |
690 | ||
691 | array_insert(ds_file_group->index->entries, entry, i); | |
692 | } | |
693 | ||
adb623c2 SM |
694 | /* |
695 | * Create a new ds_file_info using the provided path, begin_ns and index, then | |
696 | * add it to ds_file_group's list of ds_file_infos. | |
697 | */ | |
698 | ||
94cf822e PP |
699 | static |
700 | int ctf_fs_ds_file_group_add_ds_file_info( | |
701 | struct ctf_fs_ds_file_group *ds_file_group, | |
779f4a23 | 702 | const char *path, int64_t begin_ns) |
94cf822e PP |
703 | { |
704 | struct ctf_fs_ds_file_info *ds_file_info; | |
94cf822e PP |
705 | int ret = 0; |
706 | ||
779f4a23 | 707 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
94cf822e PP |
708 | if (!ds_file_info) { |
709 | goto error; | |
710 | } | |
711 | ||
adb623c2 | 712 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, ds_file_info); |
94cf822e | 713 | |
94cf822e PP |
714 | ds_file_info = NULL; |
715 | goto end; | |
716 | ||
717 | error: | |
718 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
719 | ret = -1; | |
94cf822e PP |
720 | end: |
721 | return ret; | |
722 | } | |
723 | ||
724 | static | |
725 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
9e550e5f | 726 | const char *path) |
94cf822e | 727 | { |
7b33a0e0 PP |
728 | int64_t stream_instance_id = -1; |
729 | int64_t begin_ns = -1; | |
94cf822e PP |
730 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
731 | bool add_group = false; | |
732 | int ret; | |
733 | size_t i; | |
55fa6491 | 734 | struct ctf_fs_ds_file *ds_file = NULL; |
97ade20b | 735 | struct ctf_fs_ds_index *index = NULL; |
b09a5592 | 736 | struct bt_msg_iter *msg_iter = NULL; |
7b33a0e0 | 737 | struct ctf_stream_class *sc = NULL; |
b09a5592 | 738 | struct bt_msg_iter_packet_properties props; |
3d731ea9 | 739 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 740 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
94cf822e | 741 | |
b09a5592 | 742 | msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc, |
3d731ea9 | 743 | bt_common_get_page_size(log_level) * 8, |
f67894f9 | 744 | ctf_fs_ds_file_medops, NULL, log_level, self_comp); |
b09a5592 | 745 | if (!msg_iter) { |
f67894f9 | 746 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
55fa6491 PP |
747 | goto error; |
748 | } | |
749 | ||
b09a5592 | 750 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter, |
3d731ea9 | 751 | NULL, path, log_level); |
97ade20b JG |
752 | if (!ds_file) { |
753 | goto error; | |
754 | } | |
755 | ||
e5e71bf8 | 756 | ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props); |
94cf822e | 757 | if (ret) { |
f67894f9 | 758 | BT_COMP_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
759 | path); |
760 | goto error; | |
761 | } | |
762 | ||
7b33a0e0 PP |
763 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
764 | props.stream_class_id); | |
765 | BT_ASSERT(sc); | |
7b33a0e0 PP |
766 | stream_instance_id = props.data_stream_id; |
767 | ||
768 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
769 | BT_ASSERT(sc->default_clock_class); | |
35fa110e PP |
770 | ret = bt_util_clock_cycles_to_ns_from_origin( |
771 | props.snapshots.beginning_clock, | |
772 | sc->default_clock_class->frequency, | |
773 | sc->default_clock_class->offset_seconds, | |
774 | sc->default_clock_class->offset_cycles, &begin_ns); | |
7b33a0e0 | 775 | if (ret) { |
f67894f9 | 776 | BT_COMP_LOGE("Cannot convert clock cycles to nanoseconds from origin (`%s`).", |
7b33a0e0 PP |
777 | path); |
778 | goto error; | |
779 | } | |
94cf822e PP |
780 | } |
781 | ||
97ade20b JG |
782 | index = ctf_fs_ds_file_build_index(ds_file); |
783 | if (!index) { | |
f67894f9 | 784 | BT_COMP_LOGW("Failed to index CTF stream file \'%s\'", |
97ade20b JG |
785 | ds_file->file->path->str); |
786 | } | |
787 | ||
7b33a0e0 | 788 | if (begin_ns == -1) { |
94cf822e PP |
789 | /* |
790 | * No beggining timestamp to sort the stream files | |
791 | * within a stream file group, so consider that this | |
792 | * file must be the only one within its group. | |
793 | */ | |
7b33a0e0 | 794 | stream_instance_id = -1; |
94cf822e PP |
795 | } |
796 | ||
7b33a0e0 | 797 | if (stream_instance_id == -1) { |
94cf822e PP |
798 | /* |
799 | * No stream instance ID or no beginning timestamp: | |
800 | * create a unique stream file group for this stream | |
801 | * file because, even if there's a stream instance ID, | |
802 | * there's no timestamp to order the file within its | |
803 | * group. | |
804 | */ | |
94cf822e | 805 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
779f4a23 FD |
806 | sc, UINT64_C(-1), index); |
807 | /* Ownership of index is transferred. */ | |
808 | index = NULL; | |
809 | ||
94cf822e PP |
810 | if (!ds_file_group) { |
811 | goto error; | |
812 | } | |
813 | ||
814 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
779f4a23 | 815 | path, begin_ns); |
94cf822e PP |
816 | if (ret) { |
817 | goto error; | |
818 | } | |
819 | ||
820 | add_group = true; | |
821 | goto end; | |
822 | } | |
823 | ||
7b33a0e0 PP |
824 | BT_ASSERT(stream_instance_id != -1); |
825 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
826 | |
827 | /* Find an existing stream file group with this ID */ | |
828 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
829 | ds_file_group = g_ptr_array_index( |
830 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 831 | |
28faa416 | 832 | if (ds_file_group->sc == sc && |
d09752f8 PP |
833 | ds_file_group->stream_id == |
834 | stream_instance_id) { | |
94cf822e PP |
835 | break; |
836 | } | |
837 | ||
838 | ds_file_group = NULL; | |
839 | } | |
840 | ||
841 | if (!ds_file_group) { | |
842 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
779f4a23 FD |
843 | sc, stream_instance_id, index); |
844 | /* Ownership of index is transferred. */ | |
845 | index = NULL; | |
94cf822e PP |
846 | if (!ds_file_group) { |
847 | goto error; | |
848 | } | |
849 | ||
850 | add_group = true; | |
851 | } | |
852 | ||
d09752f8 | 853 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path, |
779f4a23 | 854 | begin_ns); |
94cf822e PP |
855 | if (ret) { |
856 | goto error; | |
857 | } | |
858 | ||
859 | goto end; | |
860 | ||
861 | error: | |
862 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
41d87c7b | 863 | ds_file_group = NULL; |
94cf822e PP |
864 | ret = -1; |
865 | ||
866 | end: | |
867 | if (add_group && ds_file_group) { | |
868 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
869 | } | |
d09752f8 | 870 | |
97ade20b | 871 | ctf_fs_ds_file_destroy(ds_file); |
55fa6491 | 872 | |
b09a5592 PP |
873 | if (msg_iter) { |
874 | bt_msg_iter_destroy(msg_iter); | |
55fa6491 PP |
875 | } |
876 | ||
97ade20b | 877 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
878 | return ret; |
879 | } | |
880 | ||
881 | static | |
9e550e5f | 882 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
883 | { |
884 | int ret = 0; | |
4f1f88a6 | 885 | const char *basename; |
e7a4393b | 886 | GError *error = NULL; |
4f1f88a6 | 887 | GDir *dir = NULL; |
3d731ea9 | 888 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 889 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
e7a4393b | 890 | |
94cf822e | 891 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 892 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 893 | if (!dir) { |
f67894f9 | 894 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 895 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 896 | error->code); |
e7a4393b JG |
897 | goto error; |
898 | } | |
899 | ||
4f1f88a6 | 900 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
901 | struct ctf_fs_file *file; |
902 | ||
4f1f88a6 | 903 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 904 | /* Ignore the metadata stream. */ |
f67894f9 | 905 | BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 906 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
907 | continue; |
908 | } | |
909 | ||
4f1f88a6 | 910 | if (basename[0] == '.') { |
f67894f9 | 911 | BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 912 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
913 | continue; |
914 | } | |
915 | ||
916 | /* Create the file. */ | |
f67894f9 | 917 | file = ctf_fs_file_create(log_level, self_comp); |
e7a4393b | 918 | if (!file) { |
f67894f9 | 919 | BT_COMP_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 920 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
921 | goto error; |
922 | } | |
923 | ||
924 | /* Create full path string. */ | |
2c7bce29 | 925 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 926 | ctf_fs_trace->path->str, basename); |
e7a4393b | 927 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
f67894f9 | 928 | BT_COMP_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 929 | file->path->str); |
e7a4393b | 930 | ctf_fs_file_destroy(file); |
4f1f88a6 | 931 | file = NULL; |
e7a4393b JG |
932 | continue; |
933 | } | |
934 | ||
55314f2a | 935 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 936 | if (ret) { |
f67894f9 | 937 | BT_COMP_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
938 | goto error; |
939 | } | |
940 | ||
9fa0891a JG |
941 | if (file->size == 0) { |
942 | /* Skip empty stream. */ | |
f67894f9 | 943 | BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
944 | ctf_fs_file_destroy(file); |
945 | continue; | |
946 | } | |
947 | ||
9e550e5f | 948 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 949 | file->path->str); |
4f1f88a6 | 950 | if (ret) { |
f67894f9 | 951 | BT_COMP_LOGE("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 952 | file->path->str); |
94cf822e | 953 | ctf_fs_file_destroy(file); |
e7a4393b JG |
954 | goto error; |
955 | } | |
956 | ||
4f1f88a6 | 957 | ctf_fs_file_destroy(file); |
e7a4393b JG |
958 | } |
959 | ||
960 | goto end; | |
4f1f88a6 | 961 | |
e7a4393b JG |
962 | error: |
963 | ret = -1; | |
4f1f88a6 | 964 | |
e7a4393b JG |
965 | end: |
966 | if (dir) { | |
967 | g_dir_close(dir); | |
968 | dir = NULL; | |
969 | } | |
4f1f88a6 | 970 | |
e7a4393b JG |
971 | if (error) { |
972 | g_error_free(error); | |
973 | } | |
5b29e799 | 974 | |
91457551 | 975 | return ret; |
5b29e799 JG |
976 | } |
977 | ||
10b7a2e4 | 978 | static |
3d731ea9 | 979 | int set_trace_name(bt_trace *trace, const char *name_suffix, |
f67894f9 | 980 | bt_logging_level log_level, bt_self_component *self_comp) |
10b7a2e4 PP |
981 | { |
982 | int ret = 0; | |
8eee8ea2 PP |
983 | const bt_trace_class *tc = bt_trace_borrow_class_const(trace); |
984 | const bt_value *val; | |
10b7a2e4 PP |
985 | GString *name; |
986 | ||
987 | name = g_string_new(NULL); | |
988 | if (!name) { | |
f67894f9 | 989 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
10b7a2e4 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 | */ | |
998 | val = bt_trace_class_borrow_environment_entry_value_by_name_const( | |
999 | tc, "hostname"); | |
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 | ||
bf5b7748 | 1027 | static |
f67894f9 | 1028 | struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component *self_comp, |
e5e71bf8 | 1029 | const char *path, const char *name, |
3d731ea9 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 | ||
3d731ea9 | 1041 | ctf_fs_trace->log_level = log_level; |
f67894f9 | 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 | ||
7b33a0e0 | 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 | ||
f67894f9 PP |
1065 | ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, |
1066 | metadata_config); | |
10b7a2e4 PP |
1067 | if (ret) { |
1068 | goto error; | |
1069 | } | |
1070 | ||
e5e71bf8 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 | } | |
10b7a2e4 PP |
1077 | } |
1078 | ||
e5e71bf8 | 1079 | if (ctf_fs_trace->trace) { |
f67894f9 PP |
1080 | ret = set_trace_name(ctf_fs_trace->trace, name, log_level, |
1081 | self_comp); | |
e5e71bf8 PP |
1082 | if (ret) { |
1083 | goto error; | |
1084 | } | |
1a9f7075 PP |
1085 | } |
1086 | ||
9e550e5f | 1087 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1088 | if (ret) { |
1089 | goto error; | |
1090 | } | |
1091 | ||
1a9f7075 PP |
1092 | goto end; |
1093 | ||
1094 | error: | |
1095 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1096 | ctf_fs_trace = NULL; | |
7b33a0e0 | 1097 | |
1a9f7075 PP |
1098 | end: |
1099 | return ctf_fs_trace; | |
1100 | } | |
1101 | ||
1102 | static | |
1103 | int path_is_ctf_trace(const char *path) | |
1104 | { | |
1105 | GString *metadata_path = g_string_new(NULL); | |
1106 | int ret = 0; | |
1107 | ||
1108 | if (!metadata_path) { | |
1109 | ret = -1; | |
1110 | goto end; | |
1111 | } | |
1112 | ||
2c7bce29 | 1113 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1114 | |
1115 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1116 | ret = 1; | |
1117 | goto end; | |
1118 | } | |
1119 | ||
1120 | end: | |
1121 | g_string_free(metadata_path, TRUE); | |
1122 | return ret; | |
1123 | } | |
1124 | ||
1125 | static | |
3d731ea9 | 1126 | int add_trace_path(GList **trace_paths, const char *path, |
f67894f9 | 1127 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 | 1128 | { |
4bd72b60 | 1129 | GString *norm_path = NULL; |
1a9f7075 | 1130 | int ret = 0; |
1a9f7075 | 1131 | |
4bd72b60 PP |
1132 | norm_path = bt_common_normalize_path(path, NULL); |
1133 | if (!norm_path) { | |
f67894f9 | 1134 | BT_COMP_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
1135 | ret = -1; |
1136 | goto end; | |
1137 | } | |
1138 | ||
2c7bce29 | 1139 | // FIXME: Remove or ifdef for __MINGW32__ |
4bd72b60 | 1140 | if (strcmp(norm_path->str, "/") == 0) { |
f67894f9 | 1141 | BT_COMP_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
1142 | ret = -1; |
1143 | goto end; | |
1144 | } | |
1145 | ||
4bd72b60 | 1146 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
8b45963b | 1147 | BT_ASSERT(*trace_paths); |
4bd72b60 | 1148 | norm_path = NULL; |
1a9f7075 PP |
1149 | |
1150 | end: | |
4bd72b60 PP |
1151 | if (norm_path) { |
1152 | g_string_free(norm_path, TRUE); | |
1153 | } | |
1154 | ||
1a9f7075 PP |
1155 | return ret; |
1156 | } | |
1157 | ||
bf5b7748 | 1158 | static |
3d731ea9 | 1159 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path, |
f67894f9 | 1160 | bt_logging_level log_level, bt_self_component *self_comp) |
1a9f7075 PP |
1161 | { |
1162 | int ret; | |
1163 | GError *error = NULL; | |
1164 | GDir *dir = NULL; | |
1165 | const char *basename = NULL; | |
1166 | ||
1167 | /* Check if the starting path is a CTF trace itself */ | |
1168 | ret = path_is_ctf_trace(start_path); | |
1169 | if (ret < 0) { | |
1170 | goto end; | |
1171 | } | |
1172 | ||
1173 | if (ret) { | |
1174 | /* | |
4bd72b60 PP |
1175 | * Stop recursion: a CTF trace cannot contain another |
1176 | * CTF trace. | |
1a9f7075 | 1177 | */ |
f67894f9 PP |
1178 | ret = add_trace_path(trace_paths, start_path, log_level, |
1179 | self_comp); | |
1a9f7075 PP |
1180 | goto end; |
1181 | } | |
1182 | ||
1183 | /* Look for subdirectories */ | |
1184 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1185 | /* Starting path is not a directory: end of recursion */ | |
1186 | goto end; | |
1187 | } | |
1188 | ||
1189 | dir = g_dir_open(start_path, 0, &error); | |
1190 | if (!dir) { | |
1191 | if (error->code == G_FILE_ERROR_ACCES) { | |
f67894f9 | 1192 | BT_COMP_LOGI("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1193 | start_path, error->message, error->code); |
1194 | goto end; | |
1195 | } | |
1196 | ||
f67894f9 | 1197 | BT_COMP_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1198 | start_path, error->message, error->code); |
1199 | ret = -1; | |
1200 | goto end; | |
1201 | } | |
1202 | ||
1203 | while ((basename = g_dir_read_name(dir))) { | |
1204 | GString *sub_path = g_string_new(NULL); | |
1205 | ||
1206 | if (!sub_path) { | |
1207 | ret = -1; | |
1208 | goto end; | |
1209 | } | |
1210 | ||
2c7bce29 | 1211 | g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename); |
3d731ea9 | 1212 | ret = ctf_fs_find_traces(trace_paths, sub_path->str, |
f67894f9 | 1213 | log_level, self_comp); |
1a9f7075 PP |
1214 | g_string_free(sub_path, TRUE); |
1215 | if (ret) { | |
1216 | goto end; | |
1217 | } | |
1218 | } | |
1219 | ||
1220 | end: | |
1221 | if (dir) { | |
1222 | g_dir_close(dir); | |
1223 | } | |
1224 | ||
1225 | if (error) { | |
1226 | g_error_free(error); | |
1227 | } | |
1228 | ||
1229 | return ret; | |
1230 | } | |
1231 | ||
bf5b7748 | 1232 | static |
55314f2a | 1233 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1234 | GList *trace_names = NULL; |
1a9f7075 | 1235 | GList *node; |
4bd72b60 PP |
1236 | const char *last_sep; |
1237 | size_t base_dist; | |
1a9f7075 PP |
1238 | |
1239 | /* | |
4bd72b60 PP |
1240 | * At this point we know that all the trace paths are |
1241 | * normalized, and so is the base path. This means that | |
1242 | * they are absolute and they don't end with a separator. | |
1243 | * We can simply find the location of the last separator | |
1244 | * in the base path, which gives us the name of the actual | |
1245 | * directory to look into, and use this location as the | |
1246 | * start of each trace name within each trace path. | |
1247 | * | |
1248 | * For example: | |
1249 | * | |
1250 | * Base path: /home/user/my-traces/some-trace | |
1251 | * Trace paths: | |
1252 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1253 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1254 | * - /home/user/my-traces/some-trace/host2/trace | |
1255 | * - /home/user/my-traces/some-trace/other-trace | |
1256 | * | |
1257 | * In this case the trace names are: | |
1258 | * | |
1259 | * - some-trace/host1/trace1 | |
1260 | * - some-trace/host1/trace2 | |
1261 | * - some-trace/host2/trace | |
1262 | * - some-trace/other-trace | |
1a9f7075 | 1263 | */ |
4bd72b60 | 1264 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1265 | |
4bd72b60 | 1266 | /* We know there's at least one separator */ |
8b45963b | 1267 | BT_ASSERT(last_sep); |
1a9f7075 | 1268 | |
4bd72b60 PP |
1269 | /* Distance to base */ |
1270 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1271 | |
1272 | /* Create the trace names */ | |
1273 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1274 | GString *trace_name = g_string_new(NULL); | |
1275 | GString *trace_path = node->data; | |
1276 | ||
8b45963b | 1277 | BT_ASSERT(trace_name); |
4bd72b60 | 1278 | g_string_assign(trace_name, &trace_path->str[base_dist]); |
1a9f7075 PP |
1279 | trace_names = g_list_append(trace_names, trace_name); |
1280 | } | |
1281 | ||
1282 | return trace_names; | |
1283 | } | |
1284 | ||
bf5b7748 SM |
1285 | /* Helper for ctf_fs_component_create_ctf_fs_traces, to handle a single path/root. */ |
1286 | ||
1a9f7075 | 1287 | static |
f67894f9 | 1288 | int ctf_fs_component_create_ctf_fs_traces_one_root( |
e5e71bf8 | 1289 | struct ctf_fs_component *ctf_fs, |
1a9f7075 PP |
1290 | const char *path_param) |
1291 | { | |
1292 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1293 | int ret = 0; | |
4bd72b60 | 1294 | GString *norm_path = NULL; |
1a9f7075 PP |
1295 | GList *trace_paths = NULL; |
1296 | GList *trace_names = NULL; | |
1297 | GList *tp_node; | |
1298 | GList *tn_node; | |
3d731ea9 | 1299 | bt_logging_level log_level = ctf_fs->log_level; |
f67894f9 | 1300 | bt_self_component *self_comp = ctf_fs->self_comp; |
1a9f7075 | 1301 | |
4bd72b60 PP |
1302 | norm_path = bt_common_normalize_path(path_param, NULL); |
1303 | if (!norm_path) { | |
f67894f9 | 1304 | BT_COMP_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1305 | path_param); |
1306 | goto error; | |
1307 | } | |
1308 | ||
f67894f9 PP |
1309 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str, log_level, |
1310 | self_comp); | |
1a9f7075 PP |
1311 | if (ret) { |
1312 | goto error; | |
1313 | } | |
1314 | ||
1315 | if (!trace_paths) { | |
f67894f9 | 1316 | BT_COMP_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1317 | path_param); |
1318 | goto error; | |
1319 | } | |
1320 | ||
55314f2a | 1321 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1322 | if (!trace_names) { |
f67894f9 | 1323 | BT_COMP_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1324 | goto error; |
1325 | } | |
1326 | ||
1327 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1328 | tp_node = g_list_next(tp_node), | |
1329 | tn_node = g_list_next(tn_node)) { | |
1330 | GString *trace_path = tp_node->data; | |
1331 | GString *trace_name = tn_node->data; | |
1332 | ||
e5e71bf8 PP |
1333 | ctf_fs_trace = ctf_fs_trace_create(self_comp, |
1334 | trace_path->str, trace_name->str, | |
3d731ea9 PP |
1335 | &ctf_fs->metadata_config, |
1336 | log_level); | |
1a9f7075 | 1337 | if (!ctf_fs_trace) { |
f67894f9 | 1338 | BT_COMP_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1339 | trace_path->str); |
1340 | goto error; | |
1341 | } | |
52c5fe74 PP |
1342 | |
1343 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1344 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1345 | } |
1346 | ||
1a9f7075 PP |
1347 | goto end; |
1348 | ||
1349 | error: | |
1350 | ret = -1; | |
1351 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1352 | ||
1353 | end: | |
1354 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1355 | if (tp_node->data) { | |
1356 | g_string_free(tp_node->data, TRUE); | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1361 | if (tn_node->data) { | |
1362 | g_string_free(tn_node->data, TRUE); | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | if (trace_paths) { | |
1367 | g_list_free(trace_paths); | |
1368 | } | |
1369 | ||
1370 | if (trace_names) { | |
1371 | g_list_free(trace_names); | |
1372 | } | |
1373 | ||
4bd72b60 PP |
1374 | if (norm_path) { |
1375 | g_string_free(norm_path, TRUE); | |
1376 | } | |
1377 | ||
1a9f7075 PP |
1378 | return ret; |
1379 | } | |
1380 | ||
adb623c2 SM |
1381 | /* GCompareFunc to sort traces by UUID. */ |
1382 | ||
1383 | static | |
1384 | gint sort_traces_by_uuid(gconstpointer a, gconstpointer b) | |
1385 | { | |
1386 | const struct ctf_fs_trace *trace_a = *((const struct ctf_fs_trace **) a); | |
1387 | const struct ctf_fs_trace *trace_b = *((const struct ctf_fs_trace **) b); | |
1388 | ||
1389 | bool trace_a_has_uuid = trace_a->metadata->tc->is_uuid_set; | |
1390 | bool trace_b_has_uuid = trace_b->metadata->tc->is_uuid_set; | |
1391 | gint ret; | |
1392 | ||
1393 | /* Order traces without uuid first. */ | |
1394 | if (!trace_a_has_uuid && trace_b_has_uuid) { | |
1395 | ret = -1; | |
1396 | } else if (trace_a_has_uuid && !trace_b_has_uuid) { | |
1397 | ret = 1; | |
1398 | } else if (!trace_a_has_uuid && !trace_b_has_uuid) { | |
1399 | ret = 0; | |
1400 | } else { | |
1401 | ret = bt_uuid_compare(trace_a->metadata->tc->uuid, trace_b->metadata->tc->uuid); | |
1402 | } | |
1403 | ||
1404 | return ret; | |
1405 | } | |
1406 | ||
1407 | /* | |
1408 | * Count the number of stream and event classes defined by this trace's metadata. | |
1409 | * | |
1410 | * This is used to determine which metadata is the "latest", out of multiple | |
1411 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1412 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1413 | * enough to just count the classes. | |
1414 | */ | |
1415 | ||
1416 | static | |
1417 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1418 | { | |
1419 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1420 | guint i; | |
1421 | ||
1422 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1423 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1424 | num += sc->event_classes->len; | |
1425 | } | |
1426 | ||
1427 | return num; | |
1428 | } | |
1429 | ||
1430 | /* | |
1431 | * Merge the src ds_file_group into dest. This consists of merging their | |
1432 | * ds_file_infos, making sure to keep the result sorted. | |
1433 | */ | |
1434 | ||
1435 | static | |
1436 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1437 | { | |
1438 | guint i; | |
1439 | ||
1440 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1441 | struct ctf_fs_ds_file_info *ds_file_info = | |
1442 | g_ptr_array_index(src->ds_file_infos, i); | |
1443 | ||
1444 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1445 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1446 | ||
1447 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1448 | } | |
adb623c2 | 1449 | |
779f4a23 FD |
1450 | /* Merge both indexes. */ |
1451 | for (i = 0; i < src->index->entries->len; i++) { | |
1452 | struct ctf_fs_ds_index_entry *entry = g_ptr_array_index( | |
1453 | src->index->entries, i); | |
1454 | ||
1455 | /* | |
1456 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
1457 | * dest. | |
1458 | */ | |
1459 | g_ptr_array_index(src->index->entries, i) = NULL; | |
1460 | ||
1461 | ds_file_group_insert_ds_index_entry_sorted(dest, entry); | |
1462 | } | |
1463 | } | |
adb623c2 SM |
1464 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1465 | ||
1466 | static | |
f80e9344 | 1467 | int merge_matching_ctf_fs_ds_file_groups( |
adb623c2 SM |
1468 | struct ctf_fs_trace *dest_trace, |
1469 | struct ctf_fs_trace *src_trace) | |
1470 | { | |
1471 | ||
1472 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1473 | GPtrArray *src = src_trace->ds_file_groups; | |
1474 | guint s_i; | |
f80e9344 | 1475 | int ret = 0; |
adb623c2 SM |
1476 | |
1477 | /* | |
1478 | * Save the initial length of dest: we only want to check against the | |
1479 | * original elements in the inner loop. | |
1480 | */ | |
1481 | const guint dest_len = dest->len; | |
1482 | ||
1483 | for (s_i = 0; s_i < src->len; s_i++) { | |
1484 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1485 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1486 | ||
1487 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1488 | if (src_group->stream_id != -1) { | |
1489 | guint d_i; | |
1490 | ||
1491 | /* Let's search for a matching ds_file_group in the destination. */ | |
1492 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1493 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1494 | ||
1495 | /* Can't match a stream instance without ID. */ | |
1496 | if (candidate_dest->stream_id == -1) { | |
1497 | continue; | |
1498 | } | |
1499 | ||
1500 | /* | |
1501 | * If the two groups have the same stream instance id | |
1502 | * and belong to the same stream class (stream instance | |
1503 | * ids are per-stream class), they represent the same | |
1504 | * stream instance. | |
1505 | */ | |
1506 | if (candidate_dest->stream_id != src_group->stream_id || | |
1507 | candidate_dest->sc->id != src_group->sc->id) { | |
1508 | continue; | |
1509 | } | |
1510 | ||
1511 | dest_group = candidate_dest; | |
1512 | break; | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | /* | |
1517 | * Didn't find a friend in dest to merge our src_group into? | |
779f4a23 FD |
1518 | * Create a new empty one. This can happen if a stream was |
1519 | * active in the source trace chunk but not in the destination | |
1520 | * trace chunk. | |
adb623c2 SM |
1521 | */ |
1522 | if (!dest_group) { | |
1523 | struct ctf_stream_class *sc; | |
779f4a23 | 1524 | struct ctf_fs_ds_index *index; |
adb623c2 SM |
1525 | |
1526 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1527 | dest_trace->metadata->tc, src_group->sc->id); | |
1528 | BT_ASSERT(sc); | |
1529 | ||
f67894f9 PP |
1530 | index = ctf_fs_ds_index_create(dest_trace->log_level, |
1531 | dest_trace->self_comp); | |
779f4a23 FD |
1532 | if (!index) { |
1533 | ret = -1; | |
1534 | goto end; | |
1535 | } | |
1536 | ||
adb623c2 | 1537 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
779f4a23 FD |
1538 | src_group->stream_id, index); |
1539 | /* Ownership of index is transferred. */ | |
1540 | index = NULL; | |
f80e9344 FD |
1541 | if (!dest_group) { |
1542 | ret = -1; | |
1543 | goto end; | |
1544 | } | |
adb623c2 SM |
1545 | |
1546 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1547 | } | |
1548 | ||
1549 | BT_ASSERT(dest_group); | |
1550 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1551 | } | |
f80e9344 FD |
1552 | |
1553 | end: | |
1554 | return ret; | |
adb623c2 SM |
1555 | } |
1556 | ||
1557 | /* | |
1558 | * Collapse the given traces, which must all share the same UUID, in a single | |
1559 | * one. | |
1560 | * | |
1561 | * The trace with the most expansive metadata is chosen and all other traces | |
1562 | * are merged into that one. The array slots of all the traces that get merged | |
1563 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1564 | * remains non-NULL. | |
1565 | */ | |
1566 | ||
1567 | static | |
f80e9344 | 1568 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces) |
adb623c2 SM |
1569 | { |
1570 | unsigned int winner_count; | |
1571 | struct ctf_fs_trace *winner; | |
1572 | guint i; | |
f80e9344 | 1573 | int ret = 0; |
adb623c2 SM |
1574 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
1575 | ||
1576 | BT_ASSERT(num_traces >= 2); | |
1577 | ||
1578 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1579 | winner = traces[0]; | |
1580 | ||
1581 | /* Find the trace with the largest metadata. */ | |
1582 | for (i = 1; i < num_traces; i++) { | |
1583 | struct ctf_fs_trace *candidate; | |
1584 | unsigned int candidate_count; | |
1585 | ||
1586 | candidate = traces[i]; | |
1587 | ||
1588 | /* A bit of sanity check. */ | |
1589 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1590 | ||
1591 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1592 | ||
1593 | if (candidate_count > winner_count) { | |
1594 | winner_count = candidate_count; | |
1595 | winner = candidate; | |
1596 | } | |
1597 | } | |
1598 | ||
1599 | /* Merge all the other traces in the winning trace. */ | |
1600 | for (i = 0; i < num_traces; i++) { | |
1601 | struct ctf_fs_trace *trace = traces[i]; | |
1602 | ||
1603 | /* Don't merge the winner into itself. */ | |
1604 | if (trace == winner) { | |
1605 | continue; | |
1606 | } | |
1607 | ||
1608 | /* Merge trace's data stream file groups into winner's. */ | |
f80e9344 FD |
1609 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1610 | if (ret) { | |
1611 | goto end; | |
1612 | } | |
adb623c2 SM |
1613 | |
1614 | /* Free the trace that got merged into winner, clear the slot in the array. */ | |
1615 | ctf_fs_trace_destroy(trace); | |
1616 | traces[i] = NULL; | |
1617 | } | |
1618 | ||
1619 | /* Use the string representation of the UUID as the trace name. */ | |
1620 | bt_uuid_unparse(winner->metadata->tc->uuid, uuid_str); | |
1621 | g_string_printf(winner->name, "%s", uuid_str); | |
f80e9344 FD |
1622 | |
1623 | end: | |
1624 | return ret; | |
adb623c2 SM |
1625 | } |
1626 | ||
1627 | /* | |
1628 | * Merge all traces of `ctf_fs` that share the same UUID in a single trace. | |
1629 | * Traces with no UUID are not merged. | |
1630 | */ | |
1631 | ||
1632 | static | |
f80e9344 | 1633 | int merge_traces_with_same_uuid(struct ctf_fs_component *ctf_fs) |
adb623c2 SM |
1634 | { |
1635 | GPtrArray *traces = ctf_fs->traces; | |
1636 | guint range_start_idx = 0; | |
1637 | unsigned int num_traces = 0; | |
1638 | guint i; | |
f80e9344 | 1639 | int ret = 0; |
adb623c2 SM |
1640 | |
1641 | /* Sort the traces by uuid, then collapse traces with the same uuid in a single one. */ | |
1642 | g_ptr_array_sort(traces, sort_traces_by_uuid); | |
1643 | ||
1644 | /* Find ranges of consecutive traces that share the same UUID. */ | |
1645 | while (range_start_idx < traces->len) { | |
1646 | guint range_len; | |
1647 | struct ctf_fs_trace *range_start_trace = g_ptr_array_index(traces, range_start_idx); | |
1648 | ||
1649 | /* Exclusive end of range. */ | |
1650 | guint range_end_exc_idx = range_start_idx + 1; | |
1651 | ||
1652 | while (range_end_exc_idx < traces->len) { | |
1653 | struct ctf_fs_trace *this_trace = g_ptr_array_index(traces, range_end_exc_idx); | |
1654 | ||
1655 | if (!range_start_trace->metadata->tc->is_uuid_set || | |
1656 | (bt_uuid_compare(range_start_trace->metadata->tc->uuid, this_trace->metadata->tc->uuid) != 0)) { | |
1657 | break; | |
1658 | } | |
1659 | ||
1660 | range_end_exc_idx++; | |
1661 | } | |
1662 | ||
1663 | /* If we have two or more traces with matching UUIDs, merge them. */ | |
1664 | range_len = range_end_exc_idx - range_start_idx; | |
1665 | if (range_len > 1) { | |
1666 | struct ctf_fs_trace **range_start = (struct ctf_fs_trace **) &traces->pdata[range_start_idx]; | |
f80e9344 FD |
1667 | ret = merge_ctf_fs_traces(range_start, range_len); |
1668 | if (ret) { | |
1669 | goto end; | |
1670 | } | |
adb623c2 SM |
1671 | } |
1672 | ||
1673 | num_traces++; | |
1674 | range_start_idx = range_end_exc_idx; | |
1675 | } | |
1676 | ||
1677 | /* Clear any NULL slot (traces that got merged in another one) in the array. */ | |
1678 | for (i = 0; i < traces->len;) { | |
1679 | if (g_ptr_array_index(traces, i) == NULL) { | |
1680 | g_ptr_array_remove_index_fast(traces, i); | |
1681 | } else { | |
1682 | i++; | |
1683 | } | |
1684 | } | |
1685 | ||
1686 | BT_ASSERT(num_traces == traces->len); | |
f80e9344 FD |
1687 | |
1688 | end: | |
1689 | return ret; | |
adb623c2 SM |
1690 | } |
1691 | ||
bf5b7748 SM |
1692 | int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, |
1693 | struct ctf_fs_component *ctf_fs, | |
1694 | const bt_value *paths_value) | |
1695 | { | |
1696 | int ret = 0; | |
1697 | uint64_t i; | |
1698 | ||
1699 | for (i = 0; i < bt_value_array_get_size(paths_value); i++) { | |
1700 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1701 | const char *path = bt_value_string_get(path_value); | |
1702 | ||
f67894f9 PP |
1703 | ret = ctf_fs_component_create_ctf_fs_traces_one_root(ctf_fs, |
1704 | path); | |
bf5b7748 SM |
1705 | if (ret) { |
1706 | goto end; | |
1707 | } | |
1708 | } | |
1709 | ||
f80e9344 | 1710 | ret = merge_traces_with_same_uuid(ctf_fs); |
adb623c2 | 1711 | |
bf5b7748 SM |
1712 | end: |
1713 | return ret; | |
1714 | } | |
1715 | ||
ddf49b27 SM |
1716 | static |
1717 | GString *get_stream_instance_unique_name( | |
1718 | struct ctf_fs_ds_file_group *ds_file_group) | |
1719 | { | |
1720 | GString *name; | |
1721 | struct ctf_fs_ds_file_info *ds_file_info; | |
1722 | ||
1723 | name = g_string_new(NULL); | |
1724 | if (!name) { | |
1725 | goto end; | |
1726 | } | |
1727 | ||
1728 | /* | |
1729 | * If there's more than one stream file in the stream file | |
1730 | * group, the first (earliest) stream file's path is used as | |
1731 | * the stream's unique name. | |
1732 | */ | |
1733 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
1734 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
1735 | g_string_assign(name, ds_file_info->path->str); | |
1736 | ||
1737 | end: | |
1738 | return name; | |
1739 | } | |
1740 | ||
bf5b7748 SM |
1741 | /* Create the IR stream objects for ctf_fs_trace. */ |
1742 | ||
1743 | static | |
1744 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
1745 | { | |
1746 | int ret; | |
1747 | GString *name = NULL; | |
1748 | guint i; | |
3d731ea9 | 1749 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 1750 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
bf5b7748 SM |
1751 | |
1752 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
1753 | struct ctf_fs_ds_file_group *ds_file_group = | |
1754 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
1755 | name = get_stream_instance_unique_name(ds_file_group); | |
1756 | ||
1757 | if (!name) { | |
1758 | goto error; | |
1759 | } | |
1760 | ||
1761 | if (ds_file_group->sc->ir_sc) { | |
1762 | BT_ASSERT(ctf_fs_trace->trace); | |
1763 | ||
1764 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
1765 | /* No stream ID: use 0 */ | |
1766 | ds_file_group->stream = bt_stream_create_with_id( | |
1767 | ds_file_group->sc->ir_sc, | |
1768 | ctf_fs_trace->trace, | |
1769 | ctf_fs_trace->next_stream_id); | |
1770 | ctf_fs_trace->next_stream_id++; | |
1771 | } else { | |
1772 | /* Specific stream ID */ | |
1773 | ds_file_group->stream = bt_stream_create_with_id( | |
1774 | ds_file_group->sc->ir_sc, | |
1775 | ctf_fs_trace->trace, | |
1776 | (uint64_t) ds_file_group->stream_id); | |
1777 | } | |
1778 | } else { | |
1779 | ds_file_group->stream = NULL; | |
1780 | } | |
1781 | ||
1782 | if (!ds_file_group->stream) { | |
f67894f9 | 1783 | BT_COMP_LOGE("Cannot create stream for DS file group: " |
bf5b7748 SM |
1784 | "addr=%p, stream-name=\"%s\"", |
1785 | ds_file_group, name->str); | |
1786 | goto error; | |
1787 | } | |
1788 | ||
1789 | ret = bt_stream_set_name(ds_file_group->stream, | |
1790 | name->str); | |
1791 | if (ret) { | |
f67894f9 | 1792 | BT_COMP_LOGE("Cannot set stream's name: " |
bf5b7748 SM |
1793 | "addr=%p, stream-name=\"%s\"", |
1794 | ds_file_group->stream, name->str); | |
1795 | goto error; | |
1796 | } | |
1797 | ||
1798 | g_string_free(name, TRUE); | |
1799 | name = NULL; | |
1800 | } | |
1801 | ||
1802 | ret = 0; | |
1803 | goto end; | |
1804 | ||
1805 | error: | |
1806 | ret = -1; | |
1807 | ||
1808 | end: | |
1809 | ||
1810 | if (name) { | |
1811 | g_string_free(name, TRUE); | |
1812 | } | |
1813 | return ret; | |
1814 | } | |
1815 | ||
c80d4c65 SM |
1816 | /* |
1817 | * Validate the "paths" parameter passed to this component. It must be | |
1818 | * present, and it must be an array of strings. | |
1819 | */ | |
1820 | ||
1821 | static | |
3d731ea9 PP |
1822 | bool validate_paths_parameter(struct ctf_fs_component *ctf_fs, |
1823 | const bt_value *paths) | |
bf5b7748 SM |
1824 | { |
1825 | bool ret; | |
1826 | bt_value_type type; | |
1827 | uint64_t i; | |
3d731ea9 | 1828 | bt_logging_level log_level = ctf_fs->log_level; |
f67894f9 | 1829 | bt_self_component *self_comp = ctf_fs->self_comp; |
bf5b7748 SM |
1830 | |
1831 | if (!paths) { | |
f67894f9 | 1832 | BT_COMP_LOGE("missing \"paths\" parameter"); |
bf5b7748 SM |
1833 | goto error; |
1834 | } | |
1835 | ||
1836 | type = bt_value_get_type(paths); | |
1837 | if (type != BT_VALUE_TYPE_ARRAY) { | |
f67894f9 | 1838 | BT_COMP_LOGE("`paths` parameter: expecting array value: type=%s", |
bf5b7748 SM |
1839 | bt_common_value_type_string(type)); |
1840 | goto error; | |
1841 | } | |
1842 | ||
1843 | for (i = 0; i < bt_value_array_get_size(paths); i++) { | |
1844 | const bt_value *elem; | |
1845 | ||
1846 | elem = bt_value_array_borrow_element_by_index_const(paths, i); | |
1847 | type = bt_value_get_type(elem); | |
1848 | if (type != BT_VALUE_TYPE_STRING) { | |
f67894f9 | 1849 | BT_COMP_LOGE("`paths` parameter: expecting string value: index=%" PRIu64 ", type=%s", |
bf5b7748 SM |
1850 | i, bt_common_value_type_string(type)); |
1851 | goto error; | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | ret = true; | |
1856 | goto end; | |
1857 | ||
1858 | error: | |
1859 | ret = false; | |
1860 | ||
1861 | end: | |
1862 | return ret; | |
1863 | } | |
1864 | ||
c80d4c65 SM |
1865 | bool read_src_fs_parameters(const bt_value *params, |
1866 | const bt_value **paths, struct ctf_fs_component *ctf_fs) { | |
1867 | bool ret; | |
1868 | const bt_value *value; | |
3d731ea9 | 1869 | bt_logging_level log_level = ctf_fs->log_level; |
f67894f9 | 1870 | bt_self_component *self_comp = ctf_fs->self_comp; |
c80d4c65 SM |
1871 | |
1872 | /* paths parameter */ | |
1873 | *paths = bt_value_map_borrow_entry_value_const(params, "paths"); | |
3d731ea9 | 1874 | if (!validate_paths_parameter(ctf_fs, *paths)) { |
c80d4c65 SM |
1875 | goto error; |
1876 | } | |
1877 | ||
1878 | /* clock-class-offset-s parameter */ | |
1879 | value = bt_value_map_borrow_entry_value_const(params, | |
1880 | "clock-class-offset-s"); | |
1881 | if (value) { | |
68d9d039 | 1882 | if (!bt_value_is_signed_integer(value)) { |
f67894f9 | 1883 | BT_COMP_LOGE("clock-class-offset-s must be an integer"); |
c80d4c65 SM |
1884 | goto error; |
1885 | } | |
1886 | ctf_fs->metadata_config.clock_class_offset_s = | |
68d9d039 | 1887 | bt_value_signed_integer_get(value); |
c80d4c65 SM |
1888 | } |
1889 | ||
1890 | /* clock-class-offset-ns parameter */ | |
1891 | value = bt_value_map_borrow_entry_value_const(params, | |
1892 | "clock-class-offset-ns"); | |
1893 | if (value) { | |
68d9d039 | 1894 | if (!bt_value_is_signed_integer(value)) { |
f67894f9 | 1895 | BT_COMP_LOGE("clock-class-offset-ns must be an integer"); |
c80d4c65 SM |
1896 | goto error; |
1897 | } | |
1898 | ctf_fs->metadata_config.clock_class_offset_ns = | |
68d9d039 | 1899 | bt_value_signed_integer_get(value); |
c80d4c65 SM |
1900 | } |
1901 | ||
1902 | ||
1903 | ret = true; | |
1904 | goto end; | |
1905 | ||
1906 | error: | |
1907 | ret = false; | |
1908 | ||
1909 | end: | |
1910 | return ret; | |
1911 | } | |
1912 | ||
5b29e799 | 1913 | static |
834e9996 | 1914 | struct ctf_fs_component *ctf_fs_create( |
3d731ea9 | 1915 | bt_self_component_source *self_comp_src, |
8eee8ea2 | 1916 | const bt_value *params) |
56a1cced | 1917 | { |
bf5b7748 | 1918 | struct ctf_fs_component *ctf_fs = NULL; |
bf5b7748 SM |
1919 | guint i; |
1920 | const bt_value *paths_value; | |
3d731ea9 PP |
1921 | bt_self_component *self_comp = |
1922 | bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1923 | |
3d731ea9 | 1924 | ctf_fs = ctf_fs_component_create(bt_component_get_logging_level( |
f67894f9 | 1925 | bt_self_component_as_component(self_comp)), self_comp); |
c80d4c65 | 1926 | if (!ctf_fs) { |
bf5b7748 SM |
1927 | goto error; |
1928 | } | |
1929 | ||
c80d4c65 | 1930 | if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) { |
bf5b7748 | 1931 | goto error; |
56a1cced JG |
1932 | } |
1933 | ||
3d731ea9 | 1934 | bt_self_component_set_data(self_comp, ctf_fs); |
f67894f9 PP |
1935 | ctf_fs->self_comp = self_comp; |
1936 | ctf_fs->self_comp_src = self_comp_src; | |
56a1cced | 1937 | |
3d731ea9 | 1938 | if (ctf_fs_component_create_ctf_fs_traces(self_comp_src, ctf_fs, paths_value)) { |
4f1f88a6 PP |
1939 | goto error; |
1940 | } | |
1941 | ||
bf5b7748 SM |
1942 | for (i = 0; i < ctf_fs->traces->len; i++) { |
1943 | struct ctf_fs_trace *trace = g_ptr_array_index(ctf_fs->traces, i); | |
599faa1c | 1944 | |
bf5b7748 SM |
1945 | if (create_streams_for_trace(trace)) { |
1946 | goto error; | |
1947 | } | |
1948 | ||
1949 | if (create_ports_for_trace(ctf_fs, trace)) { | |
1950 | goto error; | |
1951 | } | |
4f1f88a6 PP |
1952 | } |
1953 | ||
1ef09eb5 JG |
1954 | goto end; |
1955 | ||
56a1cced | 1956 | error: |
1a9f7075 | 1957 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1958 | ctf_fs = NULL; |
3d731ea9 | 1959 | bt_self_component_set_data(self_comp, NULL); |
1a9f7075 | 1960 | |
1ef09eb5 | 1961 | end: |
56a1cced JG |
1962 | return ctf_fs; |
1963 | } | |
1964 | ||
ea0b4b9e | 1965 | BT_HIDDEN |
fb25b9e3 | 1966 | bt_component_class_init_method_status ctf_fs_init( |
8eee8ea2 | 1967 | bt_self_component_source *self_comp, |
f807570c | 1968 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
1969 | { |
1970 | struct ctf_fs_component *ctf_fs; | |
fb25b9e3 PP |
1971 | bt_component_class_init_method_status ret = |
1972 | BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK; | |
ea0b4b9e | 1973 | |
834e9996 | 1974 | ctf_fs = ctf_fs_create(self_comp, params); |
ea0b4b9e | 1975 | if (!ctf_fs) { |
fb25b9e3 | 1976 | ret = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR; |
ea0b4b9e | 1977 | } |
4c1456f0 | 1978 | |
ea0b4b9e JG |
1979 | return ret; |
1980 | } | |
33f93973 PP |
1981 | |
1982 | BT_HIDDEN | |
fb25b9e3 | 1983 | bt_component_class_query_method_status ctf_fs_query( |
8eee8ea2 PP |
1984 | bt_self_component_class_source *comp_class, |
1985 | const bt_query_executor *query_exec, | |
1986 | const char *object, const bt_value *params, | |
3d731ea9 | 1987 | bt_logging_level log_level, |
8eee8ea2 | 1988 | const bt_value **result) |
33f93973 | 1989 | { |
fb25b9e3 PP |
1990 | bt_component_class_query_method_status status = |
1991 | BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
33f93973 | 1992 | |
04c0ba87 | 1993 | if (!strcmp(object, "metadata-info")) { |
3d731ea9 PP |
1994 | status = metadata_info_query(comp_class, params, log_level, |
1995 | result); | |
97ade20b | 1996 | } else if (!strcmp(object, "trace-info")) { |
3d731ea9 PP |
1997 | status = trace_info_query(comp_class, params, log_level, |
1998 | result); | |
33f93973 | 1999 | } else { |
55314f2a | 2000 | BT_LOGE("Unknown query object `%s`", object); |
fb25b9e3 | 2001 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_INVALID_OBJECT; |
04c0ba87 | 2002 | goto end; |
33f93973 | 2003 | } |
33f93973 | 2004 | end: |
834e9996 | 2005 | return status; |
33f93973 | 2006 | } |