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" | |
3fa1b6a3 | 31 | #include "logging/comp-logging.h" |
3d731ea9 | 32 | |
57952005 | 33 | #include "common/common.h" |
71c5da58 | 34 | #include <babeltrace2/babeltrace.h> |
d126826c | 35 | #include "common/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" |
cd03c43c | 45 | #include "../common/metadata/ctf-meta-configure-ir-trace.h" |
b09a5592 | 46 | #include "../common/msg-iter/msg-iter.h" |
04c0ba87 | 47 | #include "query.h" |
c423217e | 48 | #include "plugins/common/param-validation/param-validation.h" |
e7a4393b | 49 | |
7b4d28d0 FD |
50 | struct tracer_info { |
51 | const char *name; | |
52 | int64_t major; | |
53 | int64_t minor; | |
54 | int64_t patch; | |
55 | }; | |
56 | ||
94cf822e | 57 | static |
b09a5592 PP |
58 | void ctf_fs_msg_iter_data_destroy( |
59 | struct ctf_fs_msg_iter_data *msg_iter_data) | |
94cf822e | 60 | { |
b09a5592 | 61 | if (!msg_iter_data) { |
94cf822e PP |
62 | return; |
63 | } | |
64 | ||
b09a5592 | 65 | if (msg_iter_data->msg_iter) { |
5d452e1f | 66 | ctf_msg_iter_destroy(msg_iter_data->msg_iter); |
55fa6491 PP |
67 | } |
68 | ||
148f02cb SM |
69 | if (msg_iter_data->msg_iter_medops_data) { |
70 | ctf_fs_ds_group_medops_data_destroy( | |
71 | msg_iter_data->msg_iter_medops_data); | |
72 | } | |
94cf822e | 73 | |
148f02cb | 74 | g_free(msg_iter_data); |
bbbd35bf PP |
75 | } |
76 | ||
3fd7b79d | 77 | static |
68e2deed | 78 | bt_message_iterator_class_next_method_status ctf_fs_iterator_next_one( |
b09a5592 | 79 | struct ctf_fs_msg_iter_data *msg_iter_data, |
bbbd35bf | 80 | const bt_message **out_msg) |
ea0b4b9e | 81 | { |
68e2deed | 82 | bt_message_iterator_class_next_method_status status; |
148f02cb SM |
83 | enum ctf_msg_iter_status msg_iter_status; |
84 | bt_logging_level log_level = msg_iter_data->log_level; | |
94cf822e | 85 | |
148f02cb SM |
86 | msg_iter_status = ctf_msg_iter_get_next_message( |
87 | msg_iter_data->msg_iter, out_msg); | |
6ff151ad | 88 | |
148f02cb SM |
89 | switch (msg_iter_status) { |
90 | case CTF_MSG_ITER_STATUS_OK: | |
91 | /* Cool, message has been written to *out_msg. */ | |
68e2deed | 92 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
148f02cb | 93 | break; |
2d06585f | 94 | |
148f02cb | 95 | case CTF_MSG_ITER_STATUS_EOF: |
68e2deed | 96 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; |
148f02cb | 97 | break; |
2d06585f | 98 | |
148f02cb SM |
99 | case CTF_MSG_ITER_STATUS_AGAIN: |
100 | /* | |
101 | * Should not make it this far as this is | |
102 | * medium-specific; there is nothing for the user to do | |
103 | * and it should have been handled upstream. | |
104 | */ | |
105 | bt_common_abort(); | |
106 | ||
107 | case CTF_MSG_ITER_MEDIUM_STATUS_ERROR: | |
108 | BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter, | |
109 | "Failed to get next message from CTF message iterator."); | |
68e2deed | 110 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
148f02cb SM |
111 | break; |
112 | ||
113 | case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR: | |
114 | BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter, | |
115 | "Failed to get next message from CTF message iterator."); | |
68e2deed | 116 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
148f02cb SM |
117 | break; |
118 | ||
119 | default: | |
120 | bt_common_abort(); | |
94cf822e | 121 | } |
d01e0f33 | 122 | |
3fd7b79d PP |
123 | return status; |
124 | } | |
125 | ||
126 | BT_HIDDEN | |
68e2deed | 127 | bt_message_iterator_class_next_method_status ctf_fs_iterator_next( |
b09a5592 PP |
128 | bt_self_message_iterator *iterator, |
129 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
130 | uint64_t *count) |
131 | { | |
68e2deed | 132 | bt_message_iterator_class_next_method_status status; |
b09a5592 PP |
133 | struct ctf_fs_msg_iter_data *msg_iter_data = |
134 | bt_self_message_iterator_get_data(iterator); | |
3fd7b79d PP |
135 | uint64_t i = 0; |
136 | ||
44381fae SM |
137 | if (G_UNLIKELY(msg_iter_data->next_saved_error)) { |
138 | /* | |
139 | * Last time we were called, we hit an error but had some | |
140 | * messages to deliver, so we stashed the error here. Return | |
141 | * it now. | |
142 | */ | |
143 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error); | |
144 | status = msg_iter_data->next_saved_status; | |
145 | goto end; | |
146 | } | |
147 | ||
148 | do { | |
b09a5592 | 149 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); |
68e2deed | 150 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
3fd7b79d PP |
151 | i++; |
152 | } | |
44381fae | 153 | } while (i < capacity && |
68e2deed | 154 | status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); |
3fd7b79d PP |
155 | |
156 | if (i > 0) { | |
157 | /* | |
158 | * Even if ctf_fs_iterator_next_one() returned something | |
68e2deed | 159 | * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we |
b09a5592 PP |
160 | * accumulated message objects in the output |
161 | * message array, so we need to return | |
68e2deed | 162 | * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are |
3fd7b79d | 163 | * transfered to downstream. This other status occurs |
b09a5592 | 164 | * again the next time muxer_msg_iter_do_next() is |
3fd7b79d | 165 | * called, possibly without any accumulated |
b09a5592 | 166 | * message, in which case we'll return it. |
3fd7b79d | 167 | */ |
44381fae SM |
168 | if (status < 0) { |
169 | /* | |
170 | * Save this error for the next _next call. Assume that | |
171 | * this component always appends error causes when | |
172 | * returning an error status code, which will cause the | |
173 | * current thread error to be non-NULL. | |
174 | */ | |
175 | msg_iter_data->next_saved_error = bt_current_thread_take_error(); | |
176 | BT_ASSERT(msg_iter_data->next_saved_error); | |
177 | msg_iter_data->next_saved_status = status; | |
178 | } | |
179 | ||
3fd7b79d | 180 | *count = i; |
68e2deed | 181 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
3fd7b79d PP |
182 | } |
183 | ||
44381fae | 184 | end: |
3fd7b79d | 185 | return status; |
ea0b4b9e | 186 | } |
bfd20a42 | 187 | |
a02839ae | 188 | BT_HIDDEN |
68e2deed | 189 | bt_message_iterator_class_seek_beginning_method_status |
fb25b9e3 | 190 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) |
a02839ae PP |
191 | { |
192 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
193 | bt_self_message_iterator_get_data(it); | |
a02839ae PP |
194 | |
195 | BT_ASSERT(msg_iter_data); | |
a02839ae | 196 | |
148f02cb SM |
197 | ctf_msg_iter_reset(msg_iter_data->msg_iter); |
198 | ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data); | |
199 | ||
68e2deed | 200 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
a02839ae PP |
201 | } |
202 | ||
203 | BT_HIDDEN | |
b09a5592 | 204 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 205 | { |
b09a5592 PP |
206 | ctf_fs_msg_iter_data_destroy( |
207 | bt_self_message_iterator_get_data(it)); | |
760051fa JG |
208 | } |
209 | ||
a02839ae | 210 | BT_HIDDEN |
68e2deed | 211 | bt_message_iterator_class_initialize_method_status ctf_fs_iterator_init( |
b09a5592 | 212 | bt_self_message_iterator *self_msg_iter, |
9415de1c | 213 | bt_self_message_iterator_configuration *config, |
8eee8ea2 | 214 | bt_self_component_port_output *self_port) |
4c1456f0 | 215 | { |
4f1f88a6 | 216 | struct ctf_fs_port_data *port_data; |
b09a5592 | 217 | struct ctf_fs_msg_iter_data *msg_iter_data = NULL; |
68e2deed | 218 | bt_message_iterator_class_initialize_method_status status; |
3d731ea9 | 219 | bt_logging_level log_level; |
148f02cb | 220 | enum ctf_msg_iter_medium_status medium_status; |
e1b15e55 PP |
221 | bt_self_component *self_comp = |
222 | bt_self_message_iterator_borrow_component(self_msg_iter); | |
760051fa | 223 | |
834e9996 | 224 | port_data = bt_self_component_port_get_data( |
bb61965b | 225 | bt_self_component_port_output_as_self_component_port( |
834e9996 PP |
226 | self_port)); |
227 | BT_ASSERT(port_data); | |
3d731ea9 | 228 | log_level = port_data->ctf_fs->log_level; |
b09a5592 PP |
229 | msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1); |
230 | if (!msg_iter_data) { | |
68e2deed | 231 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
94cf822e PP |
232 | goto error; |
233 | } | |
234 | ||
3d731ea9 | 235 | msg_iter_data->log_level = log_level; |
f67894f9 | 236 | msg_iter_data->self_comp = self_comp; |
1d744019 | 237 | msg_iter_data->self_msg_iter = self_msg_iter; |
148f02cb SM |
238 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
239 | ||
240 | medium_status = ctf_fs_ds_group_medops_data_create( | |
241 | msg_iter_data->ds_file_group, self_msg_iter, log_level, | |
242 | &msg_iter_data->msg_iter_medops_data); | |
243 | BT_ASSERT( | |
244 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK || | |
245 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR || | |
246 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR); | |
247 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
248 | BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter, | |
249 | "Failed to create ctf_fs_ds_group_medops"); | |
250 | status = (int) medium_status; | |
251 | goto error; | |
252 | } | |
253 | ||
5d452e1f | 254 | msg_iter_data->msg_iter = ctf_msg_iter_create( |
148f02cb | 255 | msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc, |
3d731ea9 | 256 | bt_common_get_page_size(msg_iter_data->log_level) * 8, |
148f02cb SM |
257 | ctf_fs_ds_group_medops, |
258 | msg_iter_data->msg_iter_medops_data, | |
259 | msg_iter_data->log_level, | |
2428e031 | 260 | self_comp, self_msg_iter); |
b09a5592 | 261 | if (!msg_iter_data->msg_iter) { |
5c3441d8 | 262 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create a CTF message iterator."); |
68e2deed | 263 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
55fa6491 PP |
264 | goto error; |
265 | } | |
266 | ||
c49bf79b SM |
267 | /* |
268 | * This iterator can seek forward if its stream class has a default | |
269 | * clock class. | |
270 | */ | |
271 | if (msg_iter_data->ds_file_group->sc->default_clock_class) { | |
272 | bt_self_message_iterator_configuration_set_can_seek_forward( | |
273 | config, true); | |
274 | } | |
275 | ||
b09a5592 PP |
276 | bt_self_message_iterator_set_data(self_msg_iter, |
277 | msg_iter_data); | |
b09a5592 | 278 | msg_iter_data = NULL; |
148f02cb | 279 | |
68e2deed | 280 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
4f1f88a6 | 281 | goto end; |
5b29e799 | 282 | |
4f1f88a6 | 283 | error: |
b09a5592 | 284 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 285 | |
760051fa | 286 | end: |
b09a5592 | 287 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
148f02cb | 288 | return status; |
760051fa JG |
289 | } |
290 | ||
aab89afc SM |
291 | static |
292 | void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) | |
293 | { | |
294 | if (!ctf_fs_trace) { | |
295 | return; | |
296 | } | |
297 | ||
298 | if (ctf_fs_trace->ds_file_groups) { | |
299 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
300 | } | |
301 | ||
302 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); | |
303 | ||
304 | if (ctf_fs_trace->path) { | |
305 | g_string_free(ctf_fs_trace->path, TRUE); | |
306 | } | |
307 | ||
308 | if (ctf_fs_trace->metadata) { | |
309 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
310 | g_free(ctf_fs_trace->metadata); | |
311 | } | |
312 | ||
313 | g_free(ctf_fs_trace); | |
314 | } | |
315 | ||
bf5b7748 | 316 | BT_HIDDEN |
1a9f7075 | 317 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 318 | { |
4f1f88a6 | 319 | if (!ctf_fs) { |
8fa760ba JG |
320 | return; |
321 | } | |
4f1f88a6 | 322 | |
aab89afc | 323 | ctf_fs_trace_destroy(ctf_fs->trace); |
4f1f88a6 PP |
324 | |
325 | if (ctf_fs->port_data) { | |
326 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 327 | } |
760051fa | 328 | |
1a9f7075 PP |
329 | g_free(ctf_fs); |
330 | } | |
331 | ||
bf5b7748 SM |
332 | static |
333 | void port_data_destroy(struct ctf_fs_port_data *port_data) | |
334 | { | |
335 | if (!port_data) { | |
336 | return; | |
337 | } | |
338 | ||
339 | g_free(port_data); | |
340 | } | |
341 | ||
342 | static | |
343 | void port_data_destroy_notifier(void *data) { | |
344 | port_data_destroy(data); | |
345 | } | |
346 | ||
97ade20b | 347 | static |
229f76ed | 348 | void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b JG |
349 | { |
350 | struct ctf_fs_trace *trace = data; | |
351 | ctf_fs_trace_destroy(trace); | |
352 | } | |
353 | ||
f67894f9 PP |
354 | struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level, |
355 | bt_self_component *self_comp) | |
a4792757 | 356 | { |
bf5b7748 | 357 | struct ctf_fs_component *ctf_fs; |
a4792757 | 358 | |
bf5b7748 SM |
359 | ctf_fs = g_new0(struct ctf_fs_component, 1); |
360 | if (!ctf_fs) { | |
361 | goto error; | |
362 | } | |
4f1f88a6 | 363 | |
3d731ea9 | 364 | ctf_fs->log_level = log_level; |
bf5b7748 SM |
365 | ctf_fs->port_data = |
366 | g_ptr_array_new_with_free_func(port_data_destroy_notifier); | |
367 | if (!ctf_fs->port_data) { | |
368 | goto error; | |
4f1f88a6 PP |
369 | } |
370 | ||
bf5b7748 SM |
371 | goto end; |
372 | ||
373 | error: | |
e1cfefd2 SM |
374 | ctf_fs_destroy(ctf_fs); |
375 | ctf_fs = NULL; | |
bf5b7748 SM |
376 | |
377 | end: | |
378 | return ctf_fs; | |
379 | } | |
380 | ||
381 | void ctf_fs_finalize(bt_self_component_source *component) | |
382 | { | |
383 | ctf_fs_destroy(bt_self_component_get_data( | |
384 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
385 | } |
386 | ||
ddf49b27 | 387 | gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
d09752f8 | 388 | { |
ddf49b27 | 389 | GString *name = g_string_new(NULL); |
d09752f8 | 390 | |
ddf49b27 SM |
391 | /* |
392 | * The unique port name is generated by concatenating unique identifiers | |
393 | * for: | |
394 | * | |
395 | * - the trace | |
396 | * - the stream class | |
397 | * - the stream | |
398 | */ | |
399 | ||
400 | /* For the trace, use the uuid if present, else the path. */ | |
401 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
d126826c | 402 | char uuid_str[BT_UUID_STR_LEN + 1]; |
ddf49b27 | 403 | |
d126826c | 404 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); |
ddf49b27 SM |
405 | g_string_assign(name, uuid_str); |
406 | } else { | |
407 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
d09752f8 PP |
408 | } |
409 | ||
410 | /* | |
ddf49b27 SM |
411 | * For the stream class, use the id if present. We can omit this field |
412 | * otherwise, as there will only be a single stream class. | |
d09752f8 | 413 | */ |
ddf49b27 SM |
414 | if (ds_file_group->sc->id != UINT64_C(-1)) { |
415 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
416 | } | |
d09752f8 | 417 | |
ddf49b27 SM |
418 | /* For the stream, use the id if present, else, use the path. */ |
419 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
420 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
421 | } else { | |
422 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
423 | struct ctf_fs_ds_file_info *ds_file_info = | |
424 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
425 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
426 | } | |
427 | ||
428 | return g_string_free(name, FALSE); | |
d09752f8 PP |
429 | } |
430 | ||
5b29e799 | 431 | static |
55314f2a JG |
432 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
433 | struct ctf_fs_trace *ctf_fs_trace, | |
5c3441d8 SM |
434 | struct ctf_fs_ds_file_group *ds_file_group, |
435 | bt_self_component_source *self_comp_src) | |
5b29e799 | 436 | { |
4f1f88a6 | 437 | int ret = 0; |
4f1f88a6 | 438 | struct ctf_fs_port_data *port_data = NULL; |
ddf49b27 | 439 | gchar *port_name; |
3d731ea9 | 440 | bt_logging_level log_level = ctf_fs->log_level; |
5c3441d8 SM |
441 | bt_self_component *self_comp = |
442 | bt_self_component_source_as_self_component(self_comp_src); | |
4f1f88a6 | 443 | |
ddf49b27 | 444 | port_name = ctf_fs_make_port_name(ds_file_group); |
4f1f88a6 PP |
445 | if (!port_name) { |
446 | goto error; | |
447 | } | |
448 | ||
f67894f9 | 449 | BT_COMP_LOGI("Creating one port named `%s`", port_name); |
4f1f88a6 PP |
450 | |
451 | /* Create output port for this file */ | |
4f1f88a6 PP |
452 | port_data = g_new0(struct ctf_fs_port_data, 1); |
453 | if (!port_data) { | |
454 | goto error; | |
455 | } | |
456 | ||
f7c3ac09 | 457 | port_data->ctf_fs = ctf_fs; |
94cf822e | 458 | port_data->ds_file_group = ds_file_group; |
834e9996 | 459 | ret = bt_self_component_source_add_output_port( |
5c3441d8 | 460 | self_comp_src, port_name, port_data, NULL); |
147337a3 | 461 | if (ret) { |
4f1f88a6 PP |
462 | goto error; |
463 | } | |
464 | ||
465 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
466 | port_data = NULL; | |
467 | goto end; | |
468 | ||
469 | error: | |
470 | ret = -1; | |
471 | ||
472 | end: | |
be1b2e7e | 473 | g_free(port_name); |
4f1f88a6 | 474 | |
4f1f88a6 PP |
475 | port_data_destroy(port_data); |
476 | return ret; | |
5b29e799 JG |
477 | } |
478 | ||
479 | static | |
55314f2a | 480 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
5c3441d8 SM |
481 | struct ctf_fs_trace *ctf_fs_trace, |
482 | bt_self_component_source *self_comp_src) | |
94cf822e PP |
483 | { |
484 | int ret = 0; | |
94cf822e | 485 | size_t i; |
3d731ea9 | 486 | bt_logging_level log_level = ctf_fs_trace->log_level; |
5c3441d8 SM |
487 | bt_self_component *self_comp = |
488 | bt_self_component_source_as_self_component(self_comp_src); | |
94cf822e PP |
489 | |
490 | /* Create one output port for each stream file group */ | |
491 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
492 | struct ctf_fs_ds_file_group *ds_file_group = | |
493 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
494 | ||
55314f2a | 495 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
5c3441d8 | 496 | ds_file_group, self_comp_src); |
94cf822e | 497 | if (ret) { |
5c3441d8 | 498 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create output port."); |
94cf822e PP |
499 | goto end; |
500 | } | |
501 | } | |
502 | ||
503 | end: | |
504 | return ret; | |
505 | } | |
506 | ||
94cf822e PP |
507 | static |
508 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
509 | { | |
510 | if (!ds_file_info) { | |
511 | return; | |
512 | } | |
513 | ||
514 | if (ds_file_info->path) { | |
515 | g_string_free(ds_file_info->path, TRUE); | |
516 | } | |
517 | ||
518 | g_free(ds_file_info); | |
519 | } | |
520 | ||
521 | static | |
522 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
779f4a23 | 523 | int64_t begin_ns) |
94cf822e PP |
524 | { |
525 | struct ctf_fs_ds_file_info *ds_file_info; | |
526 | ||
527 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
528 | if (!ds_file_info) { | |
529 | goto end; | |
530 | } | |
531 | ||
532 | ds_file_info->path = g_string_new(path); | |
533 | if (!ds_file_info->path) { | |
534 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
535 | ds_file_info = NULL; | |
536 | goto end; | |
537 | } | |
538 | ||
539 | ds_file_info->begin_ns = begin_ns; | |
540 | ||
541 | end: | |
542 | return ds_file_info; | |
543 | } | |
544 | ||
545 | static | |
546 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
547 | { | |
548 | if (!ds_file_group) { | |
549 | return; | |
550 | } | |
551 | ||
552 | if (ds_file_group->ds_file_infos) { | |
553 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
554 | } | |
555 | ||
1d8437d6 | 556 | ctf_fs_ds_index_destroy(ds_file_group->index); |
779f4a23 | 557 | |
8c6884d9 | 558 | bt_stream_put_ref(ds_file_group->stream); |
94cf822e PP |
559 | g_free(ds_file_group); |
560 | } | |
561 | ||
562 | static | |
563 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
564 | struct ctf_fs_trace *ctf_fs_trace, | |
28faa416 | 565 | struct ctf_stream_class *sc, |
779f4a23 FD |
566 | uint64_t stream_instance_id, |
567 | struct ctf_fs_ds_index *index) | |
94cf822e PP |
568 | { |
569 | struct ctf_fs_ds_file_group *ds_file_group; | |
570 | ||
94cf822e PP |
571 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); |
572 | if (!ds_file_group) { | |
573 | goto error; | |
574 | } | |
575 | ||
576 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
577 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
578 | if (!ds_file_group->ds_file_infos) { | |
579 | goto error; | |
580 | } | |
581 | ||
779f4a23 FD |
582 | ds_file_group->index = index; |
583 | ||
d09752f8 | 584 | ds_file_group->stream_id = stream_instance_id; |
28faa416 PP |
585 | BT_ASSERT(sc); |
586 | ds_file_group->sc = sc; | |
94cf822e | 587 | ds_file_group->ctf_fs_trace = ctf_fs_trace; |
94cf822e PP |
588 | goto end; |
589 | ||
590 | error: | |
591 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
779f4a23 | 592 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
593 | ds_file_group = NULL; |
594 | ||
595 | end: | |
596 | return ds_file_group; | |
597 | } | |
598 | ||
2b5f969e MJ |
599 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
600 | static | |
601 | void array_insert(GPtrArray *array, gpointer element, size_t pos) | |
602 | { | |
603 | size_t original_array_len = array->len; | |
604 | ||
605 | /* Allocate an unused element at the end of the array. */ | |
606 | g_ptr_array_add(array, NULL); | |
607 | ||
608 | /* If we are not inserting at the end, move the elements by one. */ | |
609 | if (pos < original_array_len) { | |
610 | memmove(&(array->pdata[pos + 1]), | |
611 | &(array->pdata[pos]), | |
612 | (original_array_len - pos) * sizeof(gpointer)); | |
613 | } | |
614 | ||
9f197a0c | 615 | /* Insert the value. */ |
2b5f969e MJ |
616 | array->pdata[pos] = element; |
617 | } | |
618 | ||
adb623c2 SM |
619 | /* |
620 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
621 | * place to keep it sorted. | |
622 | */ | |
623 | ||
624 | static | |
625 | void ds_file_group_insert_ds_file_info_sorted( | |
626 | struct ctf_fs_ds_file_group *ds_file_group, | |
627 | struct ctf_fs_ds_file_info *ds_file_info) | |
628 | { | |
629 | guint i; | |
630 | ||
631 | /* Find the spot where to insert this ds_file_info. */ | |
632 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
633 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
634 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
635 | ||
636 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { | |
637 | break; | |
638 | } | |
639 | } | |
640 | ||
641 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); | |
642 | } | |
643 | ||
57992c6f SM |
644 | static |
645 | bool ds_index_entries_equal( | |
646 | const struct ctf_fs_ds_index_entry *left, | |
647 | const struct ctf_fs_ds_index_entry *right) | |
648 | { | |
649 | if (left->packet_size != right->packet_size) { | |
650 | return false; | |
651 | } | |
652 | ||
653 | if (left->timestamp_begin != right->timestamp_begin) { | |
654 | return false; | |
655 | } | |
656 | ||
657 | if (left->timestamp_end != right->timestamp_end) { | |
658 | return false; | |
659 | } | |
660 | ||
661 | if (left->packet_seq_num != right->packet_seq_num) { | |
662 | return false; | |
663 | } | |
664 | ||
665 | return true; | |
666 | } | |
667 | ||
668 | /* | |
669 | * Insert `entry` into `index`, without duplication. | |
670 | * | |
671 | * The entry is inserted only if there isn't an identical entry already. | |
672 | * | |
673 | * In any case, the ownership of `entry` is transferred to this function. So if | |
674 | * the entry is not inserted, it is freed. | |
675 | */ | |
676 | ||
779f4a23 | 677 | static |
54dbe4d9 SM |
678 | void ds_index_insert_ds_index_entry_sorted( |
679 | struct ctf_fs_ds_index *index, | |
779f4a23 FD |
680 | struct ctf_fs_ds_index_entry *entry) |
681 | { | |
682 | guint i; | |
57992c6f | 683 | struct ctf_fs_ds_index_entry *other_entry; |
779f4a23 FD |
684 | |
685 | /* Find the spot where to insert this index entry. */ | |
54dbe4d9 | 686 | for (i = 0; i < index->entries->len; i++) { |
57992c6f | 687 | other_entry = g_ptr_array_index(index->entries, i); |
779f4a23 | 688 | |
57992c6f | 689 | if (entry->timestamp_begin_ns <= other_entry->timestamp_begin_ns) { |
779f4a23 FD |
690 | break; |
691 | } | |
692 | } | |
693 | ||
57992c6f SM |
694 | /* |
695 | * Insert the entry only if a duplicate doesn't already exist. | |
696 | * | |
697 | * There can be duplicate packets if reading multiple overlapping | |
698 | * snapshots of the same trace. We then want the index to contain | |
699 | * a reference to only one copy of that packet. | |
700 | */ | |
701 | if (i == index->entries->len || | |
702 | !ds_index_entries_equal(entry, other_entry)) { | |
703 | array_insert(index->entries, entry, i); | |
704 | } else { | |
705 | g_free(entry); | |
706 | } | |
54dbe4d9 SM |
707 | } |
708 | ||
709 | static | |
710 | void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, struct ctf_fs_ds_index *src) | |
711 | { | |
712 | guint i; | |
713 | ||
714 | for (i = 0; i < src->entries->len; i++) { | |
715 | struct ctf_fs_ds_index_entry *entry = | |
716 | g_ptr_array_index(src->entries, i); | |
717 | ||
718 | /* | |
719 | * Ownership of the ctf_fs_ds_index_entry is transferred to | |
57992c6f | 720 | * ds_index_insert_ds_index_entry_sorted. |
54dbe4d9 SM |
721 | */ |
722 | g_ptr_array_index(src->entries, i) = NULL; | |
54dbe4d9 SM |
723 | ds_index_insert_ds_index_entry_sorted(dest, entry); |
724 | } | |
779f4a23 FD |
725 | } |
726 | ||
94cf822e PP |
727 | static |
728 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
9e550e5f | 729 | const char *path) |
94cf822e | 730 | { |
7b33a0e0 PP |
731 | int64_t stream_instance_id = -1; |
732 | int64_t begin_ns = -1; | |
94cf822e PP |
733 | struct ctf_fs_ds_file_group *ds_file_group = NULL; |
734 | bool add_group = false; | |
735 | int ret; | |
736 | size_t i; | |
55fa6491 | 737 | struct ctf_fs_ds_file *ds_file = NULL; |
13772304 | 738 | struct ctf_fs_ds_file_info *ds_file_info = NULL; |
97ade20b | 739 | struct ctf_fs_ds_index *index = NULL; |
5d452e1f | 740 | struct ctf_msg_iter *msg_iter = NULL; |
7b33a0e0 | 741 | struct ctf_stream_class *sc = NULL; |
5d452e1f | 742 | struct ctf_msg_iter_packet_properties props; |
3d731ea9 | 743 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 744 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
6699263d | 745 | bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class; |
94cf822e | 746 | |
3b89958b SM |
747 | /* |
748 | * Create a temporary ds_file to read some properties about the data | |
749 | * stream file. | |
750 | */ | |
751 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, NULL, path, | |
752 | log_level); | |
753 | if (!ds_file) { | |
754 | goto error; | |
755 | } | |
756 | ||
757 | /* Create a temporary iterator to read the ds_file. */ | |
5d452e1f | 758 | msg_iter = ctf_msg_iter_create(ctf_fs_trace->metadata->tc, |
3d731ea9 | 759 | bt_common_get_page_size(log_level) * 8, |
3b89958b | 760 | ctf_fs_ds_file_medops, ds_file, log_level, self_comp, NULL); |
b09a5592 | 761 | if (!msg_iter) { |
f67894f9 | 762 | BT_COMP_LOGE_STR("Cannot create a CTF message iterator."); |
55fa6491 PP |
763 | goto error; |
764 | } | |
765 | ||
e5f8db56 SM |
766 | ctf_msg_iter_set_dry_run(msg_iter, true); |
767 | ||
3b89958b | 768 | ret = ctf_msg_iter_get_packet_properties(msg_iter, &props); |
94cf822e | 769 | if (ret) { |
6699263d | 770 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
5c3441d8 | 771 | "Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
772 | path); |
773 | goto error; | |
774 | } | |
775 | ||
7b33a0e0 PP |
776 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
777 | props.stream_class_id); | |
778 | BT_ASSERT(sc); | |
7b33a0e0 PP |
779 | stream_instance_id = props.data_stream_id; |
780 | ||
781 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
782 | BT_ASSERT(sc->default_clock_class); | |
35fa110e PP |
783 | ret = bt_util_clock_cycles_to_ns_from_origin( |
784 | props.snapshots.beginning_clock, | |
785 | sc->default_clock_class->frequency, | |
786 | sc->default_clock_class->offset_seconds, | |
787 | sc->default_clock_class->offset_cycles, &begin_ns); | |
7b33a0e0 | 788 | if (ret) { |
6699263d | 789 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
5c3441d8 | 790 | "Cannot convert clock cycles to nanoseconds from origin (`%s`).", |
7b33a0e0 PP |
791 | path); |
792 | goto error; | |
793 | } | |
94cf822e PP |
794 | } |
795 | ||
13772304 FD |
796 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
797 | if (!ds_file_info) { | |
798 | goto error; | |
799 | } | |
800 | ||
3b89958b | 801 | index = ctf_fs_ds_file_build_index(ds_file, ds_file_info, msg_iter); |
97ade20b | 802 | if (!index) { |
80022dd5 SM |
803 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE( |
804 | self_comp, self_comp_class, | |
805 | "Failed to index CTF stream file \'%s\'", | |
97ade20b | 806 | ds_file->file->path->str); |
80022dd5 | 807 | goto error; |
97ade20b JG |
808 | } |
809 | ||
7b33a0e0 | 810 | if (begin_ns == -1) { |
94cf822e | 811 | /* |
5b487445 | 812 | * No beginning timestamp to sort the stream files |
94cf822e PP |
813 | * within a stream file group, so consider that this |
814 | * file must be the only one within its group. | |
815 | */ | |
7b33a0e0 | 816 | stream_instance_id = -1; |
94cf822e PP |
817 | } |
818 | ||
7b33a0e0 | 819 | if (stream_instance_id == -1) { |
94cf822e PP |
820 | /* |
821 | * No stream instance ID or no beginning timestamp: | |
822 | * create a unique stream file group for this stream | |
823 | * file because, even if there's a stream instance ID, | |
824 | * there's no timestamp to order the file within its | |
825 | * group. | |
826 | */ | |
94cf822e | 827 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, |
779f4a23 FD |
828 | sc, UINT64_C(-1), index); |
829 | /* Ownership of index is transferred. */ | |
830 | index = NULL; | |
831 | ||
94cf822e PP |
832 | if (!ds_file_group) { |
833 | goto error; | |
834 | } | |
835 | ||
1281f86d SM |
836 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, |
837 | BT_MOVE_REF(ds_file_info)); | |
94cf822e PP |
838 | |
839 | add_group = true; | |
840 | goto end; | |
841 | } | |
842 | ||
7b33a0e0 PP |
843 | BT_ASSERT(stream_instance_id != -1); |
844 | BT_ASSERT(begin_ns != -1); | |
94cf822e PP |
845 | |
846 | /* Find an existing stream file group with this ID */ | |
847 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
94cf822e PP |
848 | ds_file_group = g_ptr_array_index( |
849 | ctf_fs_trace->ds_file_groups, i); | |
94cf822e | 850 | |
28faa416 | 851 | if (ds_file_group->sc == sc && |
d09752f8 PP |
852 | ds_file_group->stream_id == |
853 | stream_instance_id) { | |
94cf822e PP |
854 | break; |
855 | } | |
856 | ||
857 | ds_file_group = NULL; | |
858 | } | |
859 | ||
860 | if (!ds_file_group) { | |
861 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
779f4a23 FD |
862 | sc, stream_instance_id, index); |
863 | /* Ownership of index is transferred. */ | |
864 | index = NULL; | |
94cf822e PP |
865 | if (!ds_file_group) { |
866 | goto error; | |
867 | } | |
868 | ||
869 | add_group = true; | |
54dbe4d9 SM |
870 | } else { |
871 | merge_ctf_fs_ds_indexes(ds_file_group->index, index); | |
94cf822e PP |
872 | } |
873 | ||
1281f86d SM |
874 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, |
875 | BT_MOVE_REF(ds_file_info)); | |
94cf822e PP |
876 | |
877 | goto end; | |
878 | ||
879 | error: | |
880 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
41d87c7b | 881 | ds_file_group = NULL; |
94cf822e PP |
882 | ret = -1; |
883 | ||
884 | end: | |
885 | if (add_group && ds_file_group) { | |
886 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
887 | } | |
d09752f8 | 888 | |
97ade20b | 889 | ctf_fs_ds_file_destroy(ds_file); |
1281f86d | 890 | ctf_fs_ds_file_info_destroy(ds_file_info); |
55fa6491 | 891 | |
b09a5592 | 892 | if (msg_iter) { |
5d452e1f | 893 | ctf_msg_iter_destroy(msg_iter); |
55fa6491 PP |
894 | } |
895 | ||
97ade20b | 896 | ctf_fs_ds_index_destroy(index); |
94cf822e PP |
897 | return ret; |
898 | } | |
899 | ||
900 | static | |
9e550e5f | 901 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b JG |
902 | { |
903 | int ret = 0; | |
4f1f88a6 | 904 | const char *basename; |
e7a4393b | 905 | GError *error = NULL; |
4f1f88a6 | 906 | GDir *dir = NULL; |
3d731ea9 | 907 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 908 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
6699263d | 909 | bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class; |
e7a4393b | 910 | |
94cf822e | 911 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 912 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 913 | if (!dir) { |
6699263d SM |
914 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
915 | "Cannot open directory `%s`: %s (code %d)", | |
1a9f7075 | 916 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 917 | error->code); |
e7a4393b JG |
918 | goto error; |
919 | } | |
920 | ||
4f1f88a6 | 921 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
922 | struct ctf_fs_file *file; |
923 | ||
acfa8112 | 924 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { |
e7a4393b | 925 | /* Ignore the metadata stream. */ |
f67894f9 | 926 | BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 927 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
928 | continue; |
929 | } | |
930 | ||
4f1f88a6 | 931 | if (basename[0] == '.') { |
f67894f9 | 932 | BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 933 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
934 | continue; |
935 | } | |
936 | ||
937 | /* Create the file. */ | |
f67894f9 | 938 | file = ctf_fs_file_create(log_level, self_comp); |
e7a4393b | 939 | if (!file) { |
6699263d | 940 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
5c3441d8 | 941 | "Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`", |
1a9f7075 | 942 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
943 | goto error; |
944 | } | |
945 | ||
946 | /* Create full path string. */ | |
2c7bce29 | 947 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", |
1a9f7075 | 948 | ctf_fs_trace->path->str, basename); |
e7a4393b | 949 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
f67894f9 | 950 | BT_COMP_LOGI("Ignoring non-regular file `%s`", |
1a9f7075 | 951 | file->path->str); |
e7a4393b | 952 | ctf_fs_file_destroy(file); |
4f1f88a6 | 953 | file = NULL; |
e7a4393b JG |
954 | continue; |
955 | } | |
956 | ||
55314f2a | 957 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 958 | if (ret) { |
6699263d SM |
959 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
960 | "Cannot open stream file `%s`", | |
5c3441d8 | 961 | file->path->str); |
e7a4393b JG |
962 | goto error; |
963 | } | |
964 | ||
9fa0891a JG |
965 | if (file->size == 0) { |
966 | /* Skip empty stream. */ | |
f67894f9 | 967 | BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
968 | ctf_fs_file_destroy(file); |
969 | continue; | |
970 | } | |
971 | ||
9e550e5f | 972 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
94cf822e | 973 | file->path->str); |
4f1f88a6 | 974 | if (ret) { |
6699263d | 975 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
5c3441d8 | 976 | "Cannot add stream file `%s` to stream file group", |
1a9f7075 | 977 | file->path->str); |
94cf822e | 978 | ctf_fs_file_destroy(file); |
e7a4393b JG |
979 | goto error; |
980 | } | |
981 | ||
4f1f88a6 | 982 | ctf_fs_file_destroy(file); |
e7a4393b JG |
983 | } |
984 | ||
985 | goto end; | |
4f1f88a6 | 986 | |
e7a4393b JG |
987 | error: |
988 | ret = -1; | |
4f1f88a6 | 989 | |
e7a4393b JG |
990 | end: |
991 | if (dir) { | |
992 | g_dir_close(dir); | |
993 | dir = NULL; | |
994 | } | |
4f1f88a6 | 995 | |
e7a4393b JG |
996 | if (error) { |
997 | g_error_free(error); | |
998 | } | |
5b29e799 | 999 | |
91457551 | 1000 | return ret; |
5b29e799 JG |
1001 | } |
1002 | ||
10b7a2e4 | 1003 | static |
3d731ea9 | 1004 | int set_trace_name(bt_trace *trace, const char *name_suffix, |
f67894f9 | 1005 | bt_logging_level log_level, bt_self_component *self_comp) |
10b7a2e4 PP |
1006 | { |
1007 | int ret = 0; | |
8eee8ea2 | 1008 | const bt_value *val; |
10b7a2e4 PP |
1009 | GString *name; |
1010 | ||
1011 | name = g_string_new(NULL); | |
1012 | if (!name) { | |
f67894f9 | 1013 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
10b7a2e4 PP |
1014 | ret = -1; |
1015 | goto end; | |
1016 | } | |
1017 | ||
1018 | /* | |
1019 | * Check if we have a trace environment string value named `hostname`. | |
1020 | * If so, use it as the trace name's prefix. | |
1021 | */ | |
cd03c43c PP |
1022 | val = bt_trace_borrow_environment_entry_value_by_name_const( |
1023 | trace, "hostname"); | |
10b7a2e4 PP |
1024 | if (val && bt_value_is_string(val)) { |
1025 | g_string_append(name, bt_value_string_get(val)); | |
1026 | ||
1027 | if (name_suffix) { | |
1028 | g_string_append_c(name, G_DIR_SEPARATOR); | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | if (name_suffix) { | |
1033 | g_string_append(name, name_suffix); | |
1034 | } | |
1035 | ||
1036 | ret = bt_trace_set_name(trace, name->str); | |
1037 | if (ret) { | |
1038 | goto end; | |
1039 | } | |
1040 | ||
1041 | goto end; | |
1042 | ||
1043 | end: | |
1044 | if (name) { | |
1045 | g_string_free(name, TRUE); | |
1046 | } | |
1047 | ||
1048 | return ret; | |
1049 | } | |
1050 | ||
bf5b7748 | 1051 | static |
6699263d SM |
1052 | struct ctf_fs_trace *ctf_fs_trace_create( |
1053 | bt_self_component *self_comp, | |
1054 | bt_self_component_class *self_comp_class, | |
e5e71bf8 | 1055 | const char *path, const char *name, |
3d731ea9 PP |
1056 | struct ctf_fs_metadata_config *metadata_config, |
1057 | bt_logging_level log_level) | |
1a9f7075 PP |
1058 | { |
1059 | struct ctf_fs_trace *ctf_fs_trace; | |
1060 | int ret; | |
1061 | ||
6699263d SM |
1062 | /* Only one of them must be set. */ |
1063 | BT_ASSERT(!self_comp != !self_comp_class); | |
1064 | ||
1a9f7075 PP |
1065 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); |
1066 | if (!ctf_fs_trace) { | |
1067 | goto end; | |
1068 | } | |
1069 | ||
3d731ea9 | 1070 | ctf_fs_trace->log_level = log_level; |
f67894f9 | 1071 | ctf_fs_trace->self_comp = self_comp; |
6699263d | 1072 | ctf_fs_trace->self_comp_class = self_comp_class; |
1a9f7075 PP |
1073 | ctf_fs_trace->path = g_string_new(path); |
1074 | if (!ctf_fs_trace->path) { | |
1075 | goto error; | |
1076 | } | |
1077 | ||
1a9f7075 PP |
1078 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); |
1079 | if (!ctf_fs_trace->metadata) { | |
1080 | goto error; | |
1081 | } | |
1082 | ||
7b33a0e0 | 1083 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
94cf822e PP |
1084 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
1085 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
1086 | if (!ctf_fs_trace->ds_file_groups) { | |
1087 | goto error; | |
1088 | } | |
1089 | ||
f67894f9 PP |
1090 | ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, |
1091 | metadata_config); | |
10b7a2e4 PP |
1092 | if (ret) { |
1093 | goto error; | |
1094 | } | |
1095 | ||
e5e71bf8 PP |
1096 | if (ctf_fs_trace->metadata->trace_class) { |
1097 | ctf_fs_trace->trace = | |
1098 | bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
1099 | if (!ctf_fs_trace->trace) { | |
1100 | goto error; | |
1101 | } | |
10b7a2e4 PP |
1102 | } |
1103 | ||
e5e71bf8 | 1104 | if (ctf_fs_trace->trace) { |
cd03c43c PP |
1105 | ret = ctf_trace_class_configure_ir_trace( |
1106 | ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
1107 | if (ret) { | |
1108 | goto error; | |
1109 | } | |
1110 | ||
f67894f9 PP |
1111 | ret = set_trace_name(ctf_fs_trace->trace, name, log_level, |
1112 | self_comp); | |
e5e71bf8 PP |
1113 | if (ret) { |
1114 | goto error; | |
1115 | } | |
1a9f7075 PP |
1116 | } |
1117 | ||
9e550e5f | 1118 | ret = create_ds_file_groups(ctf_fs_trace); |
94cf822e PP |
1119 | if (ret) { |
1120 | goto error; | |
1121 | } | |
1122 | ||
1a9f7075 PP |
1123 | goto end; |
1124 | ||
1125 | error: | |
1126 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1127 | ctf_fs_trace = NULL; | |
7b33a0e0 | 1128 | |
1a9f7075 PP |
1129 | end: |
1130 | return ctf_fs_trace; | |
1131 | } | |
1132 | ||
1133 | static | |
1134 | int path_is_ctf_trace(const char *path) | |
1135 | { | |
1136 | GString *metadata_path = g_string_new(NULL); | |
1137 | int ret = 0; | |
1138 | ||
1139 | if (!metadata_path) { | |
1140 | ret = -1; | |
1141 | goto end; | |
1142 | } | |
1143 | ||
2c7bce29 | 1144 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 PP |
1145 | |
1146 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
1147 | ret = 1; | |
1148 | goto end; | |
1149 | } | |
1150 | ||
1151 | end: | |
1152 | g_string_free(metadata_path, TRUE); | |
1153 | return ret; | |
1154 | } | |
1155 | ||
aab89afc | 1156 | /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */ |
bf5b7748 | 1157 | |
1a9f7075 | 1158 | static |
aab89afc | 1159 | int ctf_fs_component_create_ctf_fs_trace_one_path( |
e5e71bf8 | 1160 | struct ctf_fs_component *ctf_fs, |
5c3441d8 | 1161 | const char *path_param, |
c77d62f1 | 1162 | const char *trace_name, |
aab89afc | 1163 | GPtrArray *traces, |
5c3441d8 SM |
1164 | bt_self_component *self_comp, |
1165 | bt_self_component_class *self_comp_class) | |
1a9f7075 | 1166 | { |
54e1a1aa SM |
1167 | struct ctf_fs_trace *ctf_fs_trace; |
1168 | int ret; | |
1169 | GString *norm_path; | |
3d731ea9 | 1170 | bt_logging_level log_level = ctf_fs->log_level; |
1a9f7075 | 1171 | |
4bd72b60 PP |
1172 | norm_path = bt_common_normalize_path(path_param, NULL); |
1173 | if (!norm_path) { | |
5c3441d8 | 1174 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
6699263d SM |
1175 | "Failed to normalize path: `%s`.", |
1176 | path_param); | |
4bd72b60 PP |
1177 | goto error; |
1178 | } | |
1179 | ||
54e1a1aa SM |
1180 | ret = path_is_ctf_trace(norm_path->str); |
1181 | if (ret < 0) { | |
1182 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
6699263d SM |
1183 | "Failed to check if path is a CTF trace: path=%s", |
1184 | norm_path->str); | |
54e1a1aa SM |
1185 | goto error; |
1186 | } else if (ret == 0) { | |
1187 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
6699263d SM |
1188 | "Path is not a CTF trace (does not contain a metadata file): `%s`.", |
1189 | norm_path->str); | |
1a9f7075 PP |
1190 | goto error; |
1191 | } | |
1192 | ||
54e1a1aa SM |
1193 | // FIXME: Remove or ifdef for __MINGW32__ |
1194 | if (strcmp(norm_path->str, "/") == 0) { | |
5c3441d8 | 1195 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
54e1a1aa SM |
1196 | "Opening a trace in `/` is not supported."); |
1197 | ret = -1; | |
1198 | goto end; | |
1a9f7075 PP |
1199 | } |
1200 | ||
6699263d | 1201 | ctf_fs_trace = ctf_fs_trace_create(self_comp, self_comp_class, norm_path->str, |
c77d62f1 | 1202 | trace_name, &ctf_fs->metadata_config, log_level); |
54e1a1aa | 1203 | if (!ctf_fs_trace) { |
6699263d SM |
1204 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
1205 | "Cannot create trace for `%s`.", | |
54e1a1aa | 1206 | norm_path->str); |
1a9f7075 PP |
1207 | goto error; |
1208 | } | |
1209 | ||
aab89afc | 1210 | g_ptr_array_add(traces, ctf_fs_trace); |
54e1a1aa | 1211 | ctf_fs_trace = NULL; |
1a9f7075 | 1212 | |
54e1a1aa | 1213 | ret = 0; |
1a9f7075 PP |
1214 | goto end; |
1215 | ||
1216 | error: | |
1217 | ret = -1; | |
1a9f7075 PP |
1218 | |
1219 | end: | |
4bd72b60 PP |
1220 | if (norm_path) { |
1221 | g_string_free(norm_path, TRUE); | |
1222 | } | |
1223 | ||
1a9f7075 PP |
1224 | return ret; |
1225 | } | |
1226 | ||
adb623c2 SM |
1227 | /* |
1228 | * Count the number of stream and event classes defined by this trace's metadata. | |
1229 | * | |
1230 | * This is used to determine which metadata is the "latest", out of multiple | |
1231 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1232 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1233 | * enough to just count the classes. | |
1234 | */ | |
1235 | ||
1236 | static | |
1237 | unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) | |
1238 | { | |
1239 | unsigned int num = trace->metadata->tc->stream_classes->len; | |
1240 | guint i; | |
1241 | ||
1242 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { | |
1243 | struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i]; | |
1244 | num += sc->event_classes->len; | |
1245 | } | |
1246 | ||
1247 | return num; | |
1248 | } | |
1249 | ||
1250 | /* | |
1251 | * Merge the src ds_file_group into dest. This consists of merging their | |
1252 | * ds_file_infos, making sure to keep the result sorted. | |
1253 | */ | |
1254 | ||
1255 | static | |
1256 | void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src) | |
1257 | { | |
1258 | guint i; | |
1259 | ||
1260 | for (i = 0; i < src->ds_file_infos->len; i++) { | |
1261 | struct ctf_fs_ds_file_info *ds_file_info = | |
1262 | g_ptr_array_index(src->ds_file_infos, i); | |
1263 | ||
1264 | /* Ownership of the ds_file_info is transferred to dest. */ | |
1265 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
1266 | ||
1267 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); | |
1268 | } | |
adb623c2 | 1269 | |
779f4a23 | 1270 | /* Merge both indexes. */ |
54dbe4d9 | 1271 | merge_ctf_fs_ds_indexes(dest->index, src->index); |
779f4a23 | 1272 | } |
adb623c2 SM |
1273 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1274 | ||
1275 | static | |
f80e9344 | 1276 | int merge_matching_ctf_fs_ds_file_groups( |
adb623c2 SM |
1277 | struct ctf_fs_trace *dest_trace, |
1278 | struct ctf_fs_trace *src_trace) | |
1279 | { | |
1280 | ||
1281 | GPtrArray *dest = dest_trace->ds_file_groups; | |
1282 | GPtrArray *src = src_trace->ds_file_groups; | |
1283 | guint s_i; | |
f80e9344 | 1284 | int ret = 0; |
adb623c2 SM |
1285 | |
1286 | /* | |
1287 | * Save the initial length of dest: we only want to check against the | |
1288 | * original elements in the inner loop. | |
1289 | */ | |
1290 | const guint dest_len = dest->len; | |
1291 | ||
1292 | for (s_i = 0; s_i < src->len; s_i++) { | |
1293 | struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i); | |
1294 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1295 | ||
1296 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1297 | if (src_group->stream_id != -1) { | |
1298 | guint d_i; | |
1299 | ||
1300 | /* Let's search for a matching ds_file_group in the destination. */ | |
1301 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1302 | struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i); | |
1303 | ||
1304 | /* Can't match a stream instance without ID. */ | |
1305 | if (candidate_dest->stream_id == -1) { | |
1306 | continue; | |
1307 | } | |
1308 | ||
1309 | /* | |
1310 | * If the two groups have the same stream instance id | |
1311 | * and belong to the same stream class (stream instance | |
1312 | * ids are per-stream class), they represent the same | |
1313 | * stream instance. | |
1314 | */ | |
1315 | if (candidate_dest->stream_id != src_group->stream_id || | |
1316 | candidate_dest->sc->id != src_group->sc->id) { | |
1317 | continue; | |
1318 | } | |
1319 | ||
1320 | dest_group = candidate_dest; | |
1321 | break; | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | /* | |
1326 | * Didn't find a friend in dest to merge our src_group into? | |
779f4a23 FD |
1327 | * Create a new empty one. This can happen if a stream was |
1328 | * active in the source trace chunk but not in the destination | |
1329 | * trace chunk. | |
adb623c2 SM |
1330 | */ |
1331 | if (!dest_group) { | |
1332 | struct ctf_stream_class *sc; | |
779f4a23 | 1333 | struct ctf_fs_ds_index *index; |
adb623c2 SM |
1334 | |
1335 | sc = ctf_trace_class_borrow_stream_class_by_id( | |
1336 | dest_trace->metadata->tc, src_group->sc->id); | |
1337 | BT_ASSERT(sc); | |
1338 | ||
f67894f9 PP |
1339 | index = ctf_fs_ds_index_create(dest_trace->log_level, |
1340 | dest_trace->self_comp); | |
779f4a23 FD |
1341 | if (!index) { |
1342 | ret = -1; | |
1343 | goto end; | |
1344 | } | |
1345 | ||
adb623c2 | 1346 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, |
779f4a23 FD |
1347 | src_group->stream_id, index); |
1348 | /* Ownership of index is transferred. */ | |
1349 | index = NULL; | |
f80e9344 FD |
1350 | if (!dest_group) { |
1351 | ret = -1; | |
1352 | goto end; | |
1353 | } | |
adb623c2 SM |
1354 | |
1355 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1356 | } | |
1357 | ||
1358 | BT_ASSERT(dest_group); | |
1359 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1360 | } | |
f80e9344 FD |
1361 | |
1362 | end: | |
1363 | return ret; | |
adb623c2 SM |
1364 | } |
1365 | ||
1366 | /* | |
1367 | * Collapse the given traces, which must all share the same UUID, in a single | |
1368 | * one. | |
1369 | * | |
1370 | * The trace with the most expansive metadata is chosen and all other traces | |
1371 | * are merged into that one. The array slots of all the traces that get merged | |
1372 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1373 | * remains non-NULL. | |
1374 | */ | |
1375 | ||
1376 | static | |
aab89afc SM |
1377 | int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces, |
1378 | struct ctf_fs_trace **out_trace) | |
adb623c2 SM |
1379 | { |
1380 | unsigned int winner_count; | |
1381 | struct ctf_fs_trace *winner; | |
aab89afc | 1382 | guint i, winner_i; |
f80e9344 | 1383 | int ret = 0; |
adb623c2 SM |
1384 | |
1385 | BT_ASSERT(num_traces >= 2); | |
1386 | ||
1387 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1388 | winner = traces[0]; | |
aab89afc | 1389 | winner_i = 0; |
adb623c2 SM |
1390 | |
1391 | /* Find the trace with the largest metadata. */ | |
1392 | for (i = 1; i < num_traces; i++) { | |
1393 | struct ctf_fs_trace *candidate; | |
1394 | unsigned int candidate_count; | |
1395 | ||
1396 | candidate = traces[i]; | |
1397 | ||
1398 | /* A bit of sanity check. */ | |
1399 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1400 | ||
1401 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1402 | ||
1403 | if (candidate_count > winner_count) { | |
1404 | winner_count = candidate_count; | |
1405 | winner = candidate; | |
aab89afc | 1406 | winner_i = i; |
adb623c2 SM |
1407 | } |
1408 | } | |
1409 | ||
1410 | /* Merge all the other traces in the winning trace. */ | |
1411 | for (i = 0; i < num_traces; i++) { | |
1412 | struct ctf_fs_trace *trace = traces[i]; | |
1413 | ||
1414 | /* Don't merge the winner into itself. */ | |
1415 | if (trace == winner) { | |
1416 | continue; | |
1417 | } | |
1418 | ||
1419 | /* Merge trace's data stream file groups into winner's. */ | |
f80e9344 FD |
1420 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); |
1421 | if (ret) { | |
1422 | goto end; | |
1423 | } | |
adb623c2 SM |
1424 | } |
1425 | ||
aab89afc SM |
1426 | /* |
1427 | * Move the winner out of the array, into `*out_trace`. | |
1428 | */ | |
1429 | *out_trace = winner; | |
1430 | traces[winner_i] = NULL; | |
f80e9344 FD |
1431 | |
1432 | end: | |
1433 | return ret; | |
adb623c2 SM |
1434 | } |
1435 | ||
df7002e4 FD |
1436 | enum target_event { |
1437 | FIRST_EVENT, | |
1438 | LAST_EVENT, | |
1439 | }; | |
1440 | ||
1441 | static | |
1442 | int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, | |
1443 | struct ctf_clock_class *default_cc, | |
1444 | struct ctf_fs_ds_index_entry *index_entry, | |
1445 | enum target_event target_event, uint64_t *cs, int64_t *ts_ns) | |
1446 | { | |
5d452e1f | 1447 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
df7002e4 | 1448 | struct ctf_fs_ds_file *ds_file = NULL; |
5d452e1f | 1449 | struct ctf_msg_iter *msg_iter = NULL; |
df7002e4 FD |
1450 | bt_logging_level log_level = ctf_fs_trace->log_level; |
1451 | bt_self_component *self_comp = ctf_fs_trace->self_comp; | |
1452 | int ret = 0; | |
1453 | ||
1454 | BT_ASSERT(ctf_fs_trace); | |
3b89958b SM |
1455 | BT_ASSERT(index_entry); |
1456 | BT_ASSERT(index_entry->path); | |
1457 | ||
1458 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, | |
1459 | NULL, index_entry->path, log_level); | |
1460 | if (!ds_file) { | |
1461 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to create a ctf_fs_ds_file"); | |
1462 | ret = -1; | |
1463 | goto end; | |
1464 | } | |
1465 | ||
df7002e4 FD |
1466 | BT_ASSERT(ctf_fs_trace->metadata); |
1467 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1468 | ||
5d452e1f | 1469 | msg_iter = ctf_msg_iter_create(ctf_fs_trace->metadata->tc, |
df7002e4 | 1470 | bt_common_get_page_size(log_level) * 8, ctf_fs_ds_file_medops, |
3b89958b | 1471 | ds_file, log_level, self_comp, NULL); |
df7002e4 | 1472 | if (!msg_iter) { |
5d452e1f | 1473 | /* ctf_msg_iter_create() logs errors. */ |
df7002e4 FD |
1474 | ret = -1; |
1475 | goto end; | |
1476 | } | |
1477 | ||
df7002e4 FD |
1478 | /* |
1479 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1480 | * library objects (bt_field, bt_message_*, etc.). | |
1481 | */ | |
5d452e1f | 1482 | ctf_msg_iter_set_dry_run(msg_iter, true); |
df7002e4 FD |
1483 | |
1484 | /* Seek to the beginning of the target packet. */ | |
3b89958b | 1485 | iter_status = ctf_msg_iter_seek(msg_iter, index_entry->offset); |
df7002e4 | 1486 | if (iter_status) { |
5d452e1f | 1487 | /* ctf_msg_iter_seek() logs errors. */ |
df7002e4 FD |
1488 | ret = -1; |
1489 | goto end; | |
1490 | } | |
1491 | ||
1492 | switch (target_event) { | |
1493 | case FIRST_EVENT: | |
1494 | /* | |
1495 | * Start to decode the packet until we reach the end of | |
1496 | * the first event. To extract the first event's clock | |
1497 | * snapshot. | |
1498 | */ | |
5d452e1f | 1499 | iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot( |
3b89958b | 1500 | msg_iter, cs); |
df7002e4 FD |
1501 | break; |
1502 | case LAST_EVENT: | |
1503 | /* Decode the packet to extract the last event's clock snapshot. */ | |
5d452e1f | 1504 | iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot( |
3b89958b | 1505 | msg_iter, cs); |
df7002e4 FD |
1506 | break; |
1507 | default: | |
24847fc7 | 1508 | bt_common_abort(); |
df7002e4 FD |
1509 | } |
1510 | if (iter_status) { | |
1511 | ret = -1; | |
1512 | goto end; | |
1513 | } | |
1514 | ||
1515 | /* Convert clock snapshot to timestamp. */ | |
1516 | ret = bt_util_clock_cycles_to_ns_from_origin(*cs, | |
1517 | default_cc->frequency, default_cc->offset_seconds, | |
1518 | default_cc->offset_cycles, ts_ns); | |
1519 | if (ret) { | |
5c3441d8 SM |
1520 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1521 | "Failed to convert clock snapshot to timestamp"); | |
df7002e4 FD |
1522 | goto end; |
1523 | } | |
1524 | ||
1525 | end: | |
1526 | if (ds_file) { | |
1527 | ctf_fs_ds_file_destroy(ds_file); | |
1528 | } | |
1529 | if (msg_iter) { | |
5d452e1f | 1530 | ctf_msg_iter_destroy(msg_iter); |
df7002e4 FD |
1531 | } |
1532 | ||
1533 | return ret; | |
1534 | } | |
1535 | ||
37ea728c FD |
1536 | static |
1537 | int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, | |
1538 | struct ctf_clock_class *default_cc, | |
1539 | struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns) | |
1540 | { | |
1541 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, | |
1542 | index_entry, FIRST_EVENT, cs, ts_ns); | |
1543 | } | |
1544 | ||
df7002e4 FD |
1545 | static |
1546 | int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, | |
1547 | struct ctf_clock_class *default_cc, | |
1548 | struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns) | |
1549 | { | |
1550 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, | |
1551 | index_entry, LAST_EVENT, cs, ts_ns); | |
1552 | } | |
1553 | ||
1554 | /* | |
1555 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1556 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1557 | * larger (after) than the timestamp_end of the their packets. | |
1558 | * | |
1559 | * To fix up this erroneous data we do the following: | |
1560 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1561 | * end time to the next packet's beginning time. | |
1562 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1563 | * time to the packet's last event's time, if any, or to the packet's | |
1564 | * beginning time otherwise. | |
1565 | * | |
1566 | * Known buggy tracer versions: | |
1567 | * - before lttng-ust 2.11.0 | |
1568 | * - before lttng-module 2.11.0 | |
1569 | * - before lttng-module 2.10.10 | |
1570 | * - before lttng-module 2.9.13 | |
1571 | */ | |
1572 | static | |
1573 | int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) | |
1574 | { | |
1575 | int ret = 0; | |
1576 | guint ds_file_group_i; | |
1577 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1578 | bt_logging_level log_level = trace->log_level; | |
1579 | ||
1580 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; | |
1581 | ds_file_group_i++) { | |
1582 | guint entry_i; | |
1583 | struct ctf_clock_class *default_cc; | |
1584 | struct ctf_fs_ds_index_entry *last_entry; | |
1585 | struct ctf_fs_ds_index *index; | |
1586 | ||
1587 | struct ctf_fs_ds_file_group *ds_file_group = | |
1588 | g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1589 | ||
1590 | BT_ASSERT(ds_file_group); | |
1591 | index = ds_file_group->index; | |
1592 | ||
1593 | BT_ASSERT(index); | |
1594 | BT_ASSERT(index->entries); | |
1595 | BT_ASSERT(index->entries->len > 0); | |
1596 | ||
1597 | /* | |
1598 | * Iterate over all entries but the last one. The last one is | |
1599 | * fixed differently after. | |
1600 | */ | |
1601 | for (entry_i = 0; entry_i < index->entries->len - 1; | |
1602 | entry_i++) { | |
1603 | struct ctf_fs_ds_index_entry *curr_entry, *next_entry; | |
1604 | ||
1605 | curr_entry = g_ptr_array_index(index->entries, entry_i); | |
1606 | next_entry = g_ptr_array_index(index->entries, entry_i + 1); | |
1607 | ||
1608 | /* | |
1609 | * 1. Set the current index entry `end` timestamp to | |
1610 | * the next index entry `begin` timestamp. | |
1611 | */ | |
1612 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1613 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1614 | } | |
1615 | ||
1616 | /* | |
1617 | * 2. Fix the last entry by decoding the last event of the last | |
1618 | * packet. | |
1619 | */ | |
1620 | last_entry = g_ptr_array_index(index->entries, | |
1621 | index->entries->len - 1); | |
1622 | BT_ASSERT(last_entry); | |
1623 | ||
1624 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1625 | default_cc = ds_file_group->sc->default_clock_class; | |
1626 | ||
1627 | /* | |
1628 | * Decode packet to read the timestamp of the last event of the | |
1629 | * entry. | |
1630 | */ | |
1631 | ret = decode_packet_last_event_timestamp(trace, default_cc, | |
1632 | last_entry, &last_entry->timestamp_end, | |
1633 | &last_entry->timestamp_end_ns); | |
1634 | if (ret) { | |
5c3441d8 SM |
1635 | BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp, |
1636 | "Failed to decode stream's last packet to get its last event's clock snapshot."); | |
df7002e4 FD |
1637 | goto end; |
1638 | } | |
1639 | } | |
1640 | ||
1641 | end: | |
1642 | return ret; | |
1643 | } | |
1644 | ||
37ea728c FD |
1645 | /* |
1646 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1647 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1648 | * less than the timestamp_begin of the their packets. | |
1649 | * | |
1650 | * To fix up this erroneous data we do the following: | |
1651 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1652 | * current entry to the timestamp of the first event of the packet. | |
1653 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1654 | * current packet. | |
1655 | * | |
1656 | * Known buggy tracer versions: | |
1657 | * - before barectf 2.3.1 | |
1658 | */ | |
1659 | static | |
1660 | int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) | |
1661 | { | |
1662 | int ret = 0; | |
1663 | guint ds_file_group_i; | |
1664 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1665 | bt_logging_level log_level = trace->log_level; | |
1666 | ||
1667 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; | |
1668 | ds_file_group_i++) { | |
1669 | guint entry_i; | |
1670 | struct ctf_clock_class *default_cc; | |
1671 | struct ctf_fs_ds_file_group *ds_file_group = | |
1672 | g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1673 | ||
1674 | struct ctf_fs_ds_index *index = ds_file_group->index; | |
1675 | ||
1676 | BT_ASSERT(index); | |
1677 | BT_ASSERT(index->entries); | |
1678 | BT_ASSERT(index->entries->len > 0); | |
1679 | ||
1680 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1681 | default_cc = ds_file_group->sc->default_clock_class; | |
1682 | ||
1683 | /* | |
1684 | * 1. Iterate over the index, starting from the second entry | |
1685 | * (index = 1). | |
1686 | */ | |
1687 | for (entry_i = 1; entry_i < index->entries->len; | |
1688 | entry_i++) { | |
1689 | struct ctf_fs_ds_index_entry *curr_entry, *prev_entry; | |
1690 | prev_entry = g_ptr_array_index(index->entries, entry_i - 1); | |
1691 | curr_entry = g_ptr_array_index(index->entries, entry_i); | |
1692 | /* | |
1693 | * 2. Set the current entry `begin` timestamp to the | |
1694 | * timestamp of the first event of the current packet. | |
1695 | */ | |
1696 | ret = decode_packet_first_event_timestamp(trace, default_cc, | |
1697 | curr_entry, &curr_entry->timestamp_begin, | |
1698 | &curr_entry->timestamp_begin_ns); | |
1699 | if (ret) { | |
5c3441d8 SM |
1700 | BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp, |
1701 | "Failed to decode first event's clock snapshot"); | |
37ea728c FD |
1702 | goto end; |
1703 | } | |
1704 | ||
1705 | /* | |
1706 | * 3. Set the previous entry `end` timestamp to the | |
1707 | * timestamp of the first event of the current packet. | |
1708 | */ | |
1709 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1710 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1711 | } | |
1712 | } | |
1713 | end: | |
1714 | return ret; | |
1715 | } | |
1716 | ||
7645f10f FD |
1717 | /* |
1718 | * When using the lttng-crash feature it's likely that the last packets of each | |
1719 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1720 | * the tracer crashed and was not able to properly close the packets. | |
1721 | * | |
1722 | * To fix up this erroneous data we do the following: | |
1723 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1724 | * timestamp_begin is not 0: | |
1725 | * - If it's the stream file's last packet: set the packet index entry's end | |
1726 | * time to the packet's last event's time, if any, or to the packet's | |
1727 | * beginning time otherwise. | |
1728 | * - If it's not the stream file's last packet: set the packet index | |
1729 | * entry's end time to the next packet's beginning time. | |
1730 | * | |
1731 | * Affected versions: | |
1732 | * - All current and future lttng-ust and lttng-modules versions. | |
1733 | */ | |
1734 | static | |
1735 | int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) | |
1736 | { | |
1737 | int ret = 0; | |
1738 | guint ds_file_group_idx; | |
1739 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
1740 | bt_logging_level log_level = trace->log_level; | |
1741 | ||
1742 | for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len; | |
1743 | ds_file_group_idx++) { | |
1744 | guint entry_idx; | |
1745 | struct ctf_clock_class *default_cc; | |
1746 | struct ctf_fs_ds_index_entry *last_entry; | |
1747 | struct ctf_fs_ds_index *index; | |
1748 | ||
1749 | struct ctf_fs_ds_file_group *ds_file_group = | |
1750 | g_ptr_array_index(ds_file_groups, ds_file_group_idx); | |
1751 | ||
1752 | BT_ASSERT(ds_file_group); | |
1753 | index = ds_file_group->index; | |
1754 | ||
1755 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1756 | default_cc = ds_file_group->sc->default_clock_class; | |
1757 | ||
1758 | BT_ASSERT(index); | |
1759 | BT_ASSERT(index->entries); | |
1760 | BT_ASSERT(index->entries->len > 0); | |
1761 | ||
1762 | last_entry = g_ptr_array_index(index->entries, | |
1763 | index->entries->len - 1); | |
1764 | BT_ASSERT(last_entry); | |
1765 | ||
1766 | ||
1767 | /* 1. Fix the last entry first. */ | |
1768 | if (last_entry->timestamp_end == 0 && | |
1769 | last_entry->timestamp_begin != 0) { | |
1770 | /* | |
1771 | * Decode packet to read the timestamp of the | |
1772 | * last event of the stream file. | |
1773 | */ | |
1774 | ret = decode_packet_last_event_timestamp(trace, | |
1775 | default_cc, last_entry, | |
1776 | &last_entry->timestamp_end, | |
1777 | &last_entry->timestamp_end_ns); | |
1778 | if (ret) { | |
5c3441d8 SM |
1779 | BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp, |
1780 | "Failed to decode last event's clock snapshot"); | |
7645f10f FD |
1781 | goto end; |
1782 | } | |
1783 | } | |
1784 | ||
1785 | /* Iterate over all entries but the last one. */ | |
1786 | for (entry_idx = 0; entry_idx < index->entries->len - 1; | |
1787 | entry_idx++) { | |
1788 | struct ctf_fs_ds_index_entry *curr_entry, *next_entry; | |
1789 | curr_entry = g_ptr_array_index(index->entries, entry_idx); | |
1790 | next_entry = g_ptr_array_index(index->entries, entry_idx + 1); | |
1791 | ||
1792 | if (curr_entry->timestamp_end == 0 && | |
1793 | curr_entry->timestamp_begin != 0) { | |
1794 | /* | |
1795 | * 2. Set the current index entry `end` timestamp to | |
1796 | * the next index entry `begin` timestamp. | |
1797 | */ | |
1798 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1799 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1800 | } | |
1801 | } | |
1802 | } | |
1803 | ||
1804 | end: | |
1805 | return ret; | |
1806 | } | |
1807 | ||
7b4d28d0 FD |
1808 | /* |
1809 | * Extract the tracer information necessary to compare versions. | |
1810 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
1811 | * necessary fields are absents in the trace metadata. | |
1812 | */ | |
1813 | static | |
7b4d28d0 FD |
1814 | int extract_tracer_info(struct ctf_fs_trace *trace, |
1815 | struct tracer_info *current_tracer_info) | |
1816 | { | |
1817 | int ret = 0; | |
1818 | struct ctf_trace_class_env_entry *entry; | |
1819 | ||
1820 | /* Clear the current_tracer_info struct */ | |
1821 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
1822 | ||
1823 | /* | |
1824 | * To compare 2 tracer versions, at least the tracer name and it's | |
1825 | * major version are needed. If one of these is missing, consider it an | |
1826 | * extraction failure. | |
1827 | */ | |
1828 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
1829 | trace->metadata->tc, "tracer_name"); | |
1830 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
1831 | goto missing_bare_minimum; | |
1832 | } | |
1833 | ||
1834 | /* Set tracer name. */ | |
1835 | current_tracer_info->name = entry->value.str->str; | |
1836 | ||
1837 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
1838 | trace->metadata->tc, "tracer_major"); | |
1839 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1840 | goto missing_bare_minimum; | |
1841 | } | |
1842 | ||
1843 | /* Set major version number. */ | |
1844 | current_tracer_info->major = entry->value.i; | |
1845 | ||
1846 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
1847 | trace->metadata->tc, "tracer_minor"); | |
1848 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1849 | goto end; | |
1850 | } | |
1851 | ||
1852 | /* Set minor version number. */ | |
1853 | current_tracer_info->minor = entry->value.i; | |
1854 | ||
1855 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
1856 | trace->metadata->tc, "tracer_patch"); | |
1857 | if (!entry) { | |
1858 | /* | |
1859 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
1860 | * For example, `lttng-modules` uses entry name | |
1861 | * `tracer_patchlevel`. | |
1862 | */ | |
1863 | entry = ctf_trace_class_borrow_env_entry_by_name( | |
1864 | trace->metadata->tc, "tracer_patchlevel"); | |
1865 | } | |
1866 | ||
1867 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1868 | goto end; | |
1869 | } | |
1870 | ||
1871 | /* Set patch version number. */ | |
1872 | current_tracer_info->patch = entry->value.i; | |
1873 | ||
1874 | goto end; | |
1875 | ||
1876 | missing_bare_minimum: | |
1877 | ret = -1; | |
1878 | end: | |
1879 | return ret; | |
1880 | } | |
1881 | ||
df7002e4 FD |
1882 | static |
1883 | bool is_tracer_affected_by_lttng_event_after_packet_bug( | |
1884 | struct tracer_info *curr_tracer_info) | |
1885 | { | |
1886 | bool is_affected = false; | |
1887 | ||
1888 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1889 | if (curr_tracer_info->major < 2) { | |
1890 | is_affected = true; | |
1891 | } else if (curr_tracer_info->major == 2) { | |
1892 | /* fixed in lttng-ust 2.11.0 */ | |
1893 | if (curr_tracer_info->minor < 11) { | |
1894 | is_affected = true; | |
1895 | } | |
1896 | } | |
1897 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1898 | if (curr_tracer_info->major < 2) { | |
1899 | is_affected = true; | |
1900 | } else if (curr_tracer_info->major == 2) { | |
1901 | /* fixed in lttng-modules 2.11.0 */ | |
1902 | if (curr_tracer_info->minor == 10) { | |
1903 | /* fixed in lttng-modules 2.10.10 */ | |
1904 | if (curr_tracer_info->patch < 10) { | |
1905 | is_affected = true; | |
1906 | } | |
1907 | } else if (curr_tracer_info->minor == 9) { | |
1908 | /* fixed in lttng-modules 2.9.13 */ | |
1909 | if (curr_tracer_info->patch < 13) { | |
1910 | is_affected = true; | |
1911 | } | |
1912 | } else if (curr_tracer_info->minor < 9) { | |
1913 | is_affected = true; | |
1914 | } | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | return is_affected; | |
1919 | } | |
1920 | ||
37ea728c FD |
1921 | static |
1922 | bool is_tracer_affected_by_barectf_event_before_packet_bug( | |
1923 | struct tracer_info *curr_tracer_info) | |
1924 | { | |
1925 | bool is_affected = false; | |
1926 | ||
1927 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
1928 | if (curr_tracer_info->major < 2) { | |
1929 | is_affected = true; | |
1930 | } else if (curr_tracer_info->major == 2) { | |
1931 | if (curr_tracer_info->minor < 3) { | |
1932 | is_affected = true; | |
1933 | } else if (curr_tracer_info->minor == 3) { | |
1934 | /* fixed in barectf 2.3.1 */ | |
1935 | if (curr_tracer_info->patch < 1) { | |
1936 | is_affected = true; | |
1937 | } | |
1938 | } | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | return is_affected; | |
1943 | } | |
1944 | ||
7645f10f FD |
1945 | static |
1946 | bool is_tracer_affected_by_lttng_crash_quirk( | |
1947 | struct tracer_info *curr_tracer_info) | |
1948 | { | |
1949 | bool is_affected = false; | |
1950 | ||
1951 | /* All LTTng tracer may be affected by this lttng crash quirk. */ | |
1952 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1953 | is_affected = true; | |
1954 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1955 | is_affected = true; | |
1956 | } | |
1957 | ||
1958 | return is_affected; | |
1959 | } | |
1960 | ||
df7002e4 FD |
1961 | /* |
1962 | * Looks for trace produced by known buggy tracers and fix up the index | |
1963 | * produced earlier. | |
1964 | */ | |
1965 | static | |
5c3441d8 | 1966 | int fix_packet_index_tracer_bugs(struct ctf_fs_component *ctf_fs, |
6699263d SM |
1967 | bt_self_component *self_comp, |
1968 | bt_self_component_class *self_comp_class) | |
df7002e4 FD |
1969 | { |
1970 | int ret = 0; | |
df7002e4 | 1971 | struct tracer_info current_tracer_info; |
df7002e4 FD |
1972 | bt_logging_level log_level = ctf_fs->log_level; |
1973 | ||
aab89afc SM |
1974 | ret = extract_tracer_info(ctf_fs->trace, ¤t_tracer_info); |
1975 | if (ret) { | |
1976 | /* | |
1977 | * A trace may not have all the necessary environment | |
1978 | * entries to do the tracer version comparison. | |
1979 | * At least, the tracer name and major version number | |
1980 | * are needed. Failing to extract these entries is not | |
1981 | * an error. | |
1982 | */ | |
1983 | ret = 0; | |
1984 | BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions."); | |
1985 | goto end;; | |
1986 | } | |
df7002e4 | 1987 | |
aab89afc SM |
1988 | /* Check if the trace may be affected by old tracer bugs. */ |
1989 | if (is_tracer_affected_by_lttng_event_after_packet_bug( | |
1990 | ¤t_tracer_info)) { | |
1991 | BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
1992 | ret = fix_index_lttng_event_after_packet_bug(ctf_fs->trace); | |
df7002e4 | 1993 | if (ret) { |
6699263d SM |
1994 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE( |
1995 | self_comp, self_comp_class, | |
aab89afc SM |
1996 | "Failed to fix LTTng event-after-packet bug."); |
1997 | goto end; | |
df7002e4 | 1998 | } |
aab89afc SM |
1999 | ctf_fs->trace->metadata->tc->quirks.lttng_event_after_packet = true; |
2000 | } | |
37ea728c | 2001 | |
aab89afc SM |
2002 | if (is_tracer_affected_by_barectf_event_before_packet_bug( |
2003 | ¤t_tracer_info)) { | |
2004 | BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
2005 | ret = fix_index_barectf_event_before_packet_bug(ctf_fs->trace); | |
2006 | if (ret) { | |
6699263d SM |
2007 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE( |
2008 | self_comp, self_comp_class, | |
aab89afc SM |
2009 | "Failed to fix barectf event-before-packet bug."); |
2010 | goto end; | |
37ea728c | 2011 | } |
aab89afc SM |
2012 | ctf_fs->trace->metadata->tc->quirks.barectf_event_before_packet = true; |
2013 | } | |
7645f10f | 2014 | |
aab89afc SM |
2015 | if (is_tracer_affected_by_lttng_crash_quirk( |
2016 | ¤t_tracer_info)) { | |
2017 | ret = fix_index_lttng_crash_quirk(ctf_fs->trace); | |
2018 | if (ret) { | |
6699263d SM |
2019 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE( |
2020 | self_comp, self_comp_class, | |
aab89afc SM |
2021 | "Failed to fix lttng-crash timestamp quirks."); |
2022 | goto end; | |
7645f10f | 2023 | } |
aab89afc | 2024 | ctf_fs->trace->metadata->tc->quirks.lttng_crash = true; |
df7002e4 | 2025 | } |
aab89afc | 2026 | |
df7002e4 FD |
2027 | end: |
2028 | return ret; | |
2029 | } | |
2030 | ||
562e23c1 PP |
2031 | static |
2032 | gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b) | |
2033 | { | |
2034 | struct ctf_fs_ds_file_group * const *ds_file_group_a = a; | |
2035 | struct ctf_fs_ds_file_group * const *ds_file_group_b = b; | |
2036 | const struct ctf_fs_ds_file_info *first_ds_file_info_a; | |
2037 | const struct ctf_fs_ds_file_info *first_ds_file_info_b; | |
2038 | ||
2039 | BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0); | |
2040 | BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0); | |
2041 | first_ds_file_info_a = (*ds_file_group_a)->ds_file_infos->pdata[0]; | |
2042 | first_ds_file_info_b = (*ds_file_group_b)->ds_file_infos->pdata[0]; | |
2043 | return strcmp(first_ds_file_info_a->path->str, | |
2044 | first_ds_file_info_b->path->str); | |
2045 | } | |
2046 | ||
18118efb SM |
2047 | static |
2048 | gint compare_strings(gconstpointer p_a, gconstpointer p_b) | |
2049 | { | |
2050 | const char *a = *((const char **) p_a); | |
2051 | const char *b = *((const char **) p_b); | |
2052 | ||
2053 | return strcmp(a, b); | |
2054 | } | |
2055 | ||
aab89afc | 2056 | int ctf_fs_component_create_ctf_fs_trace( |
bf5b7748 | 2057 | struct ctf_fs_component *ctf_fs, |
5c3441d8 | 2058 | const bt_value *paths_value, |
c77d62f1 | 2059 | const bt_value *trace_name_value, |
5c3441d8 SM |
2060 | bt_self_component *self_comp, |
2061 | bt_self_component_class *self_comp_class) | |
bf5b7748 SM |
2062 | { |
2063 | int ret = 0; | |
2064 | uint64_t i; | |
df7002e4 | 2065 | bt_logging_level log_level = ctf_fs->log_level; |
18118efb | 2066 | GPtrArray *paths = NULL; |
aab89afc | 2067 | GPtrArray *traces; |
c77d62f1 | 2068 | const char *trace_name; |
bf5b7748 | 2069 | |
aab89afc SM |
2070 | BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY); |
2071 | BT_ASSERT(!bt_value_array_is_empty(paths_value)); | |
2072 | ||
2073 | traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
2074 | if (!traces) { | |
2075 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2076 | "Failed to allocate a GPtrArray."); | |
2077 | goto error; | |
2078 | } | |
2079 | ||
18118efb SM |
2080 | paths = g_ptr_array_new_with_free_func(g_free); |
2081 | if (!paths) { | |
2082 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2083 | "Failed to allocate a GPtrArray."); | |
2084 | goto error; | |
2085 | } | |
2086 | ||
c77d62f1 SM |
2087 | trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL; |
2088 | ||
18118efb SM |
2089 | /* |
2090 | * Create a sorted array of the paths, to make the execution of this | |
2091 | * component deterministic. | |
2092 | */ | |
1270d0e9 | 2093 | for (i = 0; i < bt_value_array_get_length(paths_value); i++) { |
18118efb SM |
2094 | const bt_value *path_value = |
2095 | bt_value_array_borrow_element_by_index_const(paths_value, i); | |
a1040187 | 2096 | const char *input = bt_value_string_get(path_value); |
18118efb SM |
2097 | gchar *input_copy; |
2098 | ||
2099 | input_copy = g_strdup(input); | |
2100 | if (!input_copy) { | |
2101 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2102 | "Failed to copy a string."); | |
2103 | goto error; | |
2104 | } | |
2105 | ||
2106 | g_ptr_array_add(paths, input_copy); | |
2107 | } | |
2108 | ||
2109 | g_ptr_array_sort(paths, compare_strings); | |
2110 | ||
2111 | /* Create a separate ctf_fs_trace object for each path. */ | |
2112 | for (i = 0; i < paths->len; i++) { | |
2113 | const char *path = g_ptr_array_index(paths, i); | |
bf5b7748 | 2114 | |
aab89afc | 2115 | ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, |
18118efb | 2116 | path, trace_name, traces, self_comp, self_comp_class); |
bf5b7748 SM |
2117 | if (ret) { |
2118 | goto end; | |
2119 | } | |
2120 | } | |
2121 | ||
aab89afc SM |
2122 | if (traces->len > 1) { |
2123 | struct ctf_fs_trace *first_trace = (struct ctf_fs_trace *) traces->pdata[0]; | |
2124 | const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid; | |
2125 | struct ctf_fs_trace *trace; | |
2126 | ||
2127 | /* | |
2128 | * We have more than one trace, they must all share the same | |
2129 | * UUID, verify that. | |
2130 | */ | |
2131 | for (i = 0; i < traces->len; i++) { | |
2132 | struct ctf_fs_trace *this_trace = | |
2133 | (struct ctf_fs_trace *) traces->pdata[i]; | |
2134 | const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid; | |
2135 | ||
2136 | if (!this_trace->metadata->tc->is_uuid_set) { | |
2137 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2138 | "Multiple traces given, but a trace does not have a UUID: path=%s", | |
2139 | this_trace->path->str); | |
2140 | goto error; | |
2141 | } | |
2142 | ||
2143 | if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) { | |
2144 | char first_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
2145 | char this_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
2146 | ||
2147 | bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str); | |
2148 | bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str); | |
2149 | ||
2150 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2151 | "Multiple traces given, but UUIDs don't match: " | |
2152 | "first-trace-uuid=%s, first-trace-path=%s, " | |
2153 | "trace-uuid=%s, trace-path=%s", | |
2154 | first_trace_uuid_str, first_trace->path->str, | |
2155 | this_trace_uuid_str, this_trace->path->str); | |
2156 | goto error; | |
2157 | } | |
2158 | } | |
2159 | ||
2160 | ret = merge_ctf_fs_traces((struct ctf_fs_trace **) traces->pdata, | |
2161 | traces->len, &trace); | |
2162 | if (ret) { | |
2163 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2164 | "Failed to merge traces with the same UUID."); | |
2165 | goto error; | |
2166 | } | |
2167 | ||
2168 | ctf_fs->trace = trace; | |
2169 | } else { | |
2170 | /* Just one trace, it may or may not have a UUID, both are fine. */ | |
2171 | ctf_fs->trace = traces->pdata[0]; | |
2172 | traces->pdata[0] = NULL; | |
df7002e4 | 2173 | } |
adb623c2 | 2174 | |
6699263d | 2175 | ret = fix_packet_index_tracer_bugs(ctf_fs, self_comp, self_comp_class); |
df7002e4 | 2176 | if (ret) { |
5c3441d8 SM |
2177 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, |
2178 | "Failed to fix packet index tracer bugs."); | |
df7002e4 | 2179 | } |
aab89afc | 2180 | |
562e23c1 PP |
2181 | /* |
2182 | * Sort data stream file groups by first data stream file info | |
2183 | * path to get a deterministic order. This order influences the | |
2184 | * order of the output ports. It also influences the order of | |
2185 | * the automatic stream IDs if the trace's packet headers do not | |
2186 | * contain a `stream_instance_id` field, in which case the data | |
2187 | * stream file to stream ID association is always the same, | |
2188 | * whatever the build and the system. | |
2189 | * | |
2190 | * Having a deterministic order here can help debugging and | |
2191 | * testing. | |
2192 | */ | |
2193 | g_ptr_array_sort(ctf_fs->trace->ds_file_groups, | |
2194 | compare_ds_file_groups_by_first_path); | |
aab89afc SM |
2195 | goto end; |
2196 | error: | |
2197 | ret = -1; | |
2198 | ||
bf5b7748 | 2199 | end: |
18118efb SM |
2200 | if (traces) { |
2201 | g_ptr_array_free(traces, TRUE); | |
2202 | } | |
2203 | ||
2204 | if (paths) { | |
2205 | g_ptr_array_free(paths, TRUE); | |
2206 | } | |
2207 | ||
bf5b7748 SM |
2208 | return ret; |
2209 | } | |
2210 | ||
ddf49b27 SM |
2211 | static |
2212 | GString *get_stream_instance_unique_name( | |
2213 | struct ctf_fs_ds_file_group *ds_file_group) | |
2214 | { | |
2215 | GString *name; | |
2216 | struct ctf_fs_ds_file_info *ds_file_info; | |
2217 | ||
2218 | name = g_string_new(NULL); | |
2219 | if (!name) { | |
2220 | goto end; | |
2221 | } | |
2222 | ||
2223 | /* | |
2224 | * If there's more than one stream file in the stream file | |
2225 | * group, the first (earliest) stream file's path is used as | |
2226 | * the stream's unique name. | |
2227 | */ | |
2228 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
2229 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
2230 | g_string_assign(name, ds_file_info->path->str); | |
2231 | ||
2232 | end: | |
2233 | return name; | |
2234 | } | |
2235 | ||
bf5b7748 SM |
2236 | /* Create the IR stream objects for ctf_fs_trace. */ |
2237 | ||
2238 | static | |
2239 | int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) | |
2240 | { | |
2241 | int ret; | |
2242 | GString *name = NULL; | |
2243 | guint i; | |
3d731ea9 | 2244 | bt_logging_level log_level = ctf_fs_trace->log_level; |
f67894f9 | 2245 | bt_self_component *self_comp = ctf_fs_trace->self_comp; |
bf5b7748 SM |
2246 | |
2247 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
2248 | struct ctf_fs_ds_file_group *ds_file_group = | |
2249 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
2250 | name = get_stream_instance_unique_name(ds_file_group); | |
2251 | ||
2252 | if (!name) { | |
2253 | goto error; | |
2254 | } | |
2255 | ||
2256 | if (ds_file_group->sc->ir_sc) { | |
2257 | BT_ASSERT(ctf_fs_trace->trace); | |
2258 | ||
2259 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
2260 | /* No stream ID: use 0 */ | |
2261 | ds_file_group->stream = bt_stream_create_with_id( | |
2262 | ds_file_group->sc->ir_sc, | |
2263 | ctf_fs_trace->trace, | |
2264 | ctf_fs_trace->next_stream_id); | |
2265 | ctf_fs_trace->next_stream_id++; | |
2266 | } else { | |
2267 | /* Specific stream ID */ | |
2268 | ds_file_group->stream = bt_stream_create_with_id( | |
2269 | ds_file_group->sc->ir_sc, | |
2270 | ctf_fs_trace->trace, | |
2271 | (uint64_t) ds_file_group->stream_id); | |
2272 | } | |
2273 | } else { | |
2274 | ds_file_group->stream = NULL; | |
2275 | } | |
2276 | ||
2277 | if (!ds_file_group->stream) { | |
5c3441d8 SM |
2278 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2279 | "Cannot create stream for DS file group: " | |
bf5b7748 SM |
2280 | "addr=%p, stream-name=\"%s\"", |
2281 | ds_file_group, name->str); | |
2282 | goto error; | |
2283 | } | |
2284 | ||
2285 | ret = bt_stream_set_name(ds_file_group->stream, | |
2286 | name->str); | |
2287 | if (ret) { | |
5c3441d8 | 2288 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot set stream's name: " |
bf5b7748 SM |
2289 | "addr=%p, stream-name=\"%s\"", |
2290 | ds_file_group->stream, name->str); | |
2291 | goto error; | |
2292 | } | |
2293 | ||
2294 | g_string_free(name, TRUE); | |
2295 | name = NULL; | |
2296 | } | |
2297 | ||
2298 | ret = 0; | |
2299 | goto end; | |
2300 | ||
2301 | error: | |
2302 | ret = -1; | |
2303 | ||
2304 | end: | |
2305 | ||
2306 | if (name) { | |
2307 | g_string_free(name, TRUE); | |
2308 | } | |
2309 | return ret; | |
2310 | } | |
2311 | ||
c423217e SM |
2312 | static const struct bt_param_validation_value_descr inputs_elem_descr = { |
2313 | .type = BT_VALUE_TYPE_STRING, | |
2314 | }; | |
bf5b7748 | 2315 | |
c423217e SM |
2316 | static const struct bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = { |
2317 | { "inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, { | |
2318 | BT_VALUE_TYPE_ARRAY, | |
2319 | .array = { | |
2320 | .min_length = 1, | |
2321 | .max_length = BT_PARAM_VALIDATION_INFINITE, | |
2322 | .element_type = &inputs_elem_descr, | |
bf5b7748 | 2323 | } |
c423217e SM |
2324 | }}, |
2325 | { "trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } }, | |
2326 | { "clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_SIGNED_INTEGER } }, | |
2327 | { "clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_SIGNED_INTEGER } }, | |
2328 | { "force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_BOOL } }, | |
2329 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END | |
2330 | }; | |
bf5b7748 | 2331 | |
bf5b7748 | 2332 | |
c80d4c65 | 2333 | bool read_src_fs_parameters(const bt_value *params, |
c77d62f1 SM |
2334 | const bt_value **inputs, |
2335 | const bt_value **trace_name, | |
2336 | struct ctf_fs_component *ctf_fs, | |
5c3441d8 SM |
2337 | bt_self_component *self_comp, |
2338 | bt_self_component_class *self_comp_class) { | |
c80d4c65 SM |
2339 | bool ret; |
2340 | const bt_value *value; | |
3d731ea9 | 2341 | bt_logging_level log_level = ctf_fs->log_level; |
c423217e SM |
2342 | enum bt_param_validation_status validate_value_status; |
2343 | gchar *error = NULL; | |
2344 | ||
2345 | validate_value_status = bt_param_validation_validate(params, | |
2346 | fs_params_entries_descr, &error); | |
2347 | if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) { | |
2348 | BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, | |
2349 | "%s", error); | |
2350 | ret = false; | |
2351 | goto end; | |
2352 | } | |
c80d4c65 | 2353 | |
a1040187 SM |
2354 | /* inputs parameter */ |
2355 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
c80d4c65 SM |
2356 | |
2357 | /* clock-class-offset-s parameter */ | |
2358 | value = bt_value_map_borrow_entry_value_const(params, | |
2359 | "clock-class-offset-s"); | |
2360 | if (value) { | |
c80d4c65 | 2361 | ctf_fs->metadata_config.clock_class_offset_s = |
60bbfc7c | 2362 | bt_value_integer_signed_get(value); |
c80d4c65 SM |
2363 | } |
2364 | ||
2365 | /* clock-class-offset-ns parameter */ | |
2366 | value = bt_value_map_borrow_entry_value_const(params, | |
2367 | "clock-class-offset-ns"); | |
2368 | if (value) { | |
c80d4c65 | 2369 | ctf_fs->metadata_config.clock_class_offset_ns = |
60bbfc7c | 2370 | bt_value_integer_signed_get(value); |
c80d4c65 SM |
2371 | } |
2372 | ||
1ffc68e8 FD |
2373 | /* force-clock-class-origin-unix-epoch parameter */ |
2374 | value = bt_value_map_borrow_entry_value_const(params, | |
2375 | "force-clock-class-origin-unix-epoch"); | |
2376 | if (value) { | |
1ffc68e8 FD |
2377 | ctf_fs->metadata_config.force_clock_class_origin_unix_epoch = |
2378 | bt_value_bool_get(value); | |
2379 | } | |
2380 | ||
c77d62f1 SM |
2381 | /* trace-name parameter */ |
2382 | *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name"); | |
c80d4c65 SM |
2383 | |
2384 | ret = true; | |
c80d4c65 SM |
2385 | |
2386 | end: | |
c423217e | 2387 | g_free(error); |
c80d4c65 SM |
2388 | return ret; |
2389 | } | |
2390 | ||
5b29e799 | 2391 | static |
834e9996 | 2392 | struct ctf_fs_component *ctf_fs_create( |
5c3441d8 | 2393 | const bt_value *params, |
6699263d | 2394 | bt_self_component_source *self_comp_src) |
56a1cced | 2395 | { |
bf5b7748 | 2396 | struct ctf_fs_component *ctf_fs = NULL; |
a1040187 | 2397 | const bt_value *inputs_value; |
c77d62f1 | 2398 | const bt_value *trace_name_value; |
3d731ea9 PP |
2399 | bt_self_component *self_comp = |
2400 | bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 2401 | |
3d731ea9 | 2402 | ctf_fs = ctf_fs_component_create(bt_component_get_logging_level( |
f67894f9 | 2403 | bt_self_component_as_component(self_comp)), self_comp); |
c80d4c65 | 2404 | if (!ctf_fs) { |
bf5b7748 SM |
2405 | goto error; |
2406 | } | |
2407 | ||
c77d62f1 | 2408 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, |
6699263d | 2409 | ctf_fs, self_comp, NULL)) { |
bf5b7748 | 2410 | goto error; |
56a1cced JG |
2411 | } |
2412 | ||
3d731ea9 | 2413 | bt_self_component_set_data(self_comp, ctf_fs); |
56a1cced | 2414 | |
aab89afc | 2415 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs, inputs_value, |
6699263d | 2416 | trace_name_value, self_comp, NULL)) { |
4f1f88a6 PP |
2417 | goto error; |
2418 | } | |
2419 | ||
aab89afc SM |
2420 | if (create_streams_for_trace(ctf_fs->trace)) { |
2421 | goto error; | |
2422 | } | |
bf5b7748 | 2423 | |
aab89afc SM |
2424 | if (create_ports_for_trace(ctf_fs, ctf_fs->trace, self_comp_src)) { |
2425 | goto error; | |
4f1f88a6 PP |
2426 | } |
2427 | ||
1ef09eb5 JG |
2428 | goto end; |
2429 | ||
56a1cced | 2430 | error: |
1a9f7075 | 2431 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 2432 | ctf_fs = NULL; |
3d731ea9 | 2433 | bt_self_component_set_data(self_comp, NULL); |
1a9f7075 | 2434 | |
1ef09eb5 | 2435 | end: |
56a1cced JG |
2436 | return ctf_fs; |
2437 | } | |
2438 | ||
ea0b4b9e | 2439 | BT_HIDDEN |
4175c1d5 | 2440 | bt_component_class_initialize_method_status ctf_fs_init( |
5c3441d8 | 2441 | bt_self_component_source *self_comp_src, |
e3250e61 | 2442 | bt_self_component_source_configuration *config, |
f807570c | 2443 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
ea0b4b9e JG |
2444 | { |
2445 | struct ctf_fs_component *ctf_fs; | |
4175c1d5 FD |
2446 | bt_component_class_initialize_method_status ret = |
2447 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
ea0b4b9e | 2448 | |
6699263d | 2449 | ctf_fs = ctf_fs_create(params, self_comp_src); |
ea0b4b9e | 2450 | if (!ctf_fs) { |
4175c1d5 | 2451 | ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
ea0b4b9e | 2452 | } |
4c1456f0 | 2453 | |
ea0b4b9e JG |
2454 | return ret; |
2455 | } | |
33f93973 PP |
2456 | |
2457 | BT_HIDDEN | |
fb25b9e3 | 2458 | bt_component_class_query_method_status ctf_fs_query( |
8eee8ea2 | 2459 | bt_self_component_class_source *comp_class, |
bf403eb2 | 2460 | bt_private_query_executor *priv_query_exec, |
8eee8ea2 | 2461 | const char *object, const bt_value *params, |
f6e305ce | 2462 | __attribute__((unused)) void *method_data, |
8eee8ea2 | 2463 | const bt_value **result) |
33f93973 | 2464 | { |
fb25b9e3 PP |
2465 | bt_component_class_query_method_status status = |
2466 | BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
bf403eb2 PP |
2467 | bt_logging_level log_level = bt_query_executor_get_logging_level( |
2468 | bt_private_query_executor_as_query_executor_const( | |
2469 | priv_query_exec)); | |
33f93973 | 2470 | |
acfa8112 | 2471 | if (strcmp(object, "metadata-info") == 0) { |
3d731ea9 PP |
2472 | status = metadata_info_query(comp_class, params, log_level, |
2473 | result); | |
9db4399f SM |
2474 | } else if (strcmp(object, "babeltrace.trace-infos") == 0) { |
2475 | status = trace_infos_query(comp_class, params, log_level, | |
3d731ea9 | 2476 | result); |
9e534aae | 2477 | } else if (!strcmp(object, "babeltrace.support-info")) { |
a1040187 | 2478 | status = support_info_query(comp_class, params, log_level, result); |
33f93973 | 2479 | } else { |
55314f2a | 2480 | BT_LOGE("Unknown query object `%s`", object); |
7dd3e712 | 2481 | status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
04c0ba87 | 2482 | goto end; |
33f93973 | 2483 | } |
33f93973 | 2484 | end: |
834e9996 | 2485 | return status; |
33f93973 | 2486 | } |