Commit | Line | Data |
---|---|---|
bc506aa5 JD |
1 | /* |
2 | * writer.c | |
3 | * | |
4 | * Babeltrace CTF Writer Output Plugin Event Handling | |
5 | * | |
6 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
449f71e3 JD |
29 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-WRITE" |
30 | #include "logging.h" | |
31 | ||
bc506aa5 JD |
32 | #include <babeltrace/ctf-ir/event.h> |
33 | #include <babeltrace/ctf-ir/packet.h> | |
34 | #include <babeltrace/ctf-ir/event-class.h> | |
35 | #include <babeltrace/ctf-ir/stream.h> | |
36 | #include <babeltrace/ctf-ir/stream-class.h> | |
ac0c6bdd | 37 | #include <babeltrace/ctf-ir/clock-class.h> |
bc506aa5 JD |
38 | #include <babeltrace/ctf-ir/fields.h> |
39 | #include <babeltrace/ctf-writer/stream-class.h> | |
40 | #include <babeltrace/ctf-writer/stream.h> | |
f3168545 | 41 | #include <assert.h> |
bfe3fb96 | 42 | #include <glib.h> |
bc506aa5 | 43 | |
91b73004 JD |
44 | #include <ctfcopytrace.h> |
45 | ||
bc506aa5 JD |
46 | #include "writer.h" |
47 | ||
a619fcb7 JD |
48 | static |
49 | void unref_stream_class(struct bt_ctf_stream_class *writer_stream_class) | |
50 | { | |
51 | bt_put(writer_stream_class); | |
52 | } | |
53 | ||
54 | static | |
55 | void unref_stream(struct bt_ctf_stream_class *writer_stream) | |
56 | { | |
57 | bt_put(writer_stream); | |
58 | } | |
59 | ||
1c78e839 | 60 | static |
a619fcb7 JD |
61 | gboolean empty_ht(gpointer key, gpointer value, gpointer user_data) |
62 | { | |
63 | return TRUE; | |
64 | } | |
65 | ||
1c78e839 | 66 | static |
2e4636e1 JD |
67 | gboolean empty_streams_ht(gpointer key, gpointer value, gpointer user_data) |
68 | { | |
885a8803 | 69 | int ret; |
2e4636e1 JD |
70 | struct bt_ctf_stream *writer_stream = value; |
71 | ||
885a8803 JG |
72 | ret = bt_ctf_stream_flush(writer_stream); |
73 | if (ret) { | |
74 | BT_LOGD_STR("Failed to flush stream while emptying hash table."); | |
75 | } | |
2e4636e1 JD |
76 | return TRUE; |
77 | } | |
78 | ||
1c78e839 | 79 | static |
cdcf612f JD |
80 | void destroy_stream_state_key(gpointer key) |
81 | { | |
82 | g_free((enum fs_writer_stream_state *) key); | |
83 | } | |
84 | ||
1c78e839 | 85 | static |
6f25f7c4 JD |
86 | void check_completed_trace(gpointer key, gpointer value, gpointer user_data) |
87 | { | |
88 | enum fs_writer_stream_state *state = value; | |
89 | int *trace_completed = user_data; | |
90 | ||
91 | if (*state != FS_WRITER_COMPLETED_STREAM) { | |
92 | *trace_completed = 0; | |
93 | } | |
94 | } | |
95 | ||
f3168545 JD |
96 | static |
97 | void trace_is_static_listener(struct bt_ctf_trace *trace, void *data) | |
98 | { | |
6f25f7c4 JD |
99 | struct fs_writer *fs_writer = data; |
100 | int trace_completed = 1; | |
101 | ||
102 | fs_writer->trace_static = 1; | |
103 | ||
104 | g_hash_table_foreach(fs_writer->stream_states, | |
105 | check_completed_trace, &trace_completed); | |
106 | if (trace_completed) { | |
107 | writer_close(fs_writer->writer_component, fs_writer); | |
108 | g_hash_table_remove(fs_writer->writer_component->trace_map, | |
109 | fs_writer->trace); | |
110 | } | |
f3168545 JD |
111 | } |
112 | ||
bc506aa5 | 113 | static |
91b73004 JD |
114 | struct bt_ctf_stream_class *insert_new_stream_class( |
115 | struct writer_component *writer_component, | |
a619fcb7 | 116 | struct fs_writer *fs_writer, |
91b73004 | 117 | struct bt_ctf_stream_class *stream_class) |
bc506aa5 | 118 | { |
b2f1f465 | 119 | struct bt_ctf_stream_class *writer_stream_class = NULL; |
9ae49d3d | 120 | struct bt_ctf_trace *trace = NULL, *writer_trace = NULL; |
a619fcb7 | 121 | struct bt_ctf_writer *ctf_writer = fs_writer->writer; |
3241bc18 | 122 | enum bt_component_status ret; |
bc506aa5 | 123 | |
3241bc18 | 124 | trace = bt_ctf_stream_class_get_trace(stream_class); |
449f71e3 | 125 | assert(trace); |
bc506aa5 | 126 | |
91b73004 | 127 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
449f71e3 | 128 | assert(writer_trace); |
bc506aa5 | 129 | |
91b73004 JD |
130 | ret = ctf_copy_clock_classes(writer_component->err, writer_trace, |
131 | writer_stream_class, trace); | |
bc506aa5 | 132 | if (ret != BT_COMPONENT_STATUS_OK) { |
449f71e3 | 133 | BT_LOGE_STR("Failed to copy clock classes."); |
9ae49d3d | 134 | goto error; |
b2f1f465 JD |
135 | } |
136 | ||
137 | writer_stream_class = ctf_copy_stream_class(writer_component->err, | |
138 | stream_class, writer_trace, true); | |
139 | if (!writer_stream_class) { | |
449f71e3 | 140 | BT_LOGE_STR("Failed to copy stream class."); |
9ae49d3d | 141 | goto error; |
bc506aa5 | 142 | } |
bc506aa5 | 143 | |
e48a596a PP |
144 | ret = bt_ctf_trace_add_stream_class(writer_trace, writer_stream_class); |
145 | if (ret) { | |
449f71e3 | 146 | BT_LOGE_STR("Failed to add stream_class."); |
e48a596a PP |
147 | goto error; |
148 | } | |
149 | ||
a619fcb7 | 150 | g_hash_table_insert(fs_writer->stream_class_map, |
bc506aa5 JD |
151 | (gpointer) stream_class, writer_stream_class); |
152 | ||
9ae49d3d JD |
153 | goto end; |
154 | ||
155 | error: | |
156 | BT_PUT(writer_stream_class); | |
157 | end: | |
b2f1f465 | 158 | bt_put(writer_trace); |
b2f1f465 | 159 | bt_put(trace); |
bc506aa5 JD |
160 | return writer_stream_class; |
161 | } | |
162 | ||
2881e5b5 JD |
163 | static |
164 | enum fs_writer_stream_state *insert_new_stream_state( | |
165 | struct writer_component *writer_component, | |
166 | struct fs_writer *fs_writer, struct bt_ctf_stream *stream) | |
167 | { | |
168 | enum fs_writer_stream_state *v = NULL; | |
169 | ||
170 | v = g_new0(enum fs_writer_stream_state, 1); | |
171 | if (!v) { | |
56eb9e16 JG |
172 | BT_LOGE_STR("Failed to allocate fs_writer_stream_state."); |
173 | goto end; | |
2881e5b5 JD |
174 | } |
175 | *v = FS_WRITER_UNKNOWN_STREAM; | |
176 | ||
177 | g_hash_table_insert(fs_writer->stream_states, stream, v); | |
56eb9e16 | 178 | end: |
2881e5b5 JD |
179 | return v; |
180 | } | |
181 | ||
6ca0eb99 JD |
182 | /* |
183 | * Make sure the output path is valid for a single trace: either it does | |
184 | * not exists or it is empty. | |
185 | * | |
186 | * Return 0 if the path is valid, -1 otherwise. | |
187 | */ | |
188 | static | |
189 | bool valid_single_trace_path(const char *path) | |
190 | { | |
bfe3fb96 MJ |
191 | GError *error = NULL; |
192 | GDir *dir = NULL; | |
193 | int ret = 0; | |
194 | ||
195 | dir = g_dir_open(path, 0, &error); | |
6ca0eb99 | 196 | |
802af08e | 197 | /* Non-existent directory. */ |
6ca0eb99 | 198 | if (!dir) { |
bfe3fb96 MJ |
199 | /* For any other error, return an error */ |
200 | if (error->code != G_FILE_ERROR_NOENT) { | |
201 | ret = -1; | |
6ca0eb99 | 202 | } |
6ca0eb99 JD |
203 | goto end; |
204 | } | |
205 | ||
bfe3fb96 MJ |
206 | /* g_dir_read_name skips "." and "..", error out on first result */ |
207 | while (g_dir_read_name(dir) != NULL) { | |
6ca0eb99 | 208 | ret = -1; |
bfe3fb96 | 209 | break; |
6ca0eb99 JD |
210 | } |
211 | ||
212 | end: | |
bfe3fb96 MJ |
213 | if (dir) { |
214 | g_dir_close(dir); | |
215 | } | |
216 | if (error) { | |
217 | g_error_free(error); | |
218 | } | |
219 | ||
6ca0eb99 JD |
220 | return ret; |
221 | } | |
222 | ||
9b4f54fb JD |
223 | static |
224 | int make_trace_path(struct writer_component *writer_component, | |
225 | struct bt_ctf_trace *trace, char *trace_path) | |
226 | { | |
227 | int ret; | |
228 | const char *trace_name; | |
229 | ||
6ca0eb99 JD |
230 | if (writer_component->single_trace) { |
231 | trace_name = "\0"; | |
232 | } else { | |
233 | trace_name = bt_ctf_trace_get_name(trace); | |
234 | if (!trace_name) { | |
235 | trace_name = writer_component->trace_name_base->str; | |
236 | } | |
9b4f54fb | 237 | } |
9b4f54fb JD |
238 | |
239 | /* Sanitize the trace name. */ | |
240 | if (strlen(trace_name) == 2 && !strcmp(trace_name, "..")) { | |
449f71e3 | 241 | BT_LOGE_STR("Trace name cannot be \"..\"."); |
9b4f54fb JD |
242 | goto error; |
243 | } | |
244 | ||
245 | if (strstr(trace_name, "../")) { | |
449f71e3 | 246 | BT_LOGE_STR("Trace name cannot contain \"../\"."); |
9b4f54fb JD |
247 | goto error; |
248 | ||
249 | } | |
250 | ||
251 | snprintf(trace_path, PATH_MAX, "%s/%s", | |
252 | writer_component->base_path->str, | |
253 | trace_name); | |
6ca0eb99 JD |
254 | /* |
255 | * Append a suffix if the trace_path exists and we are not in | |
256 | * single-trace mode. | |
257 | */ | |
258 | if (writer_component->single_trace) { | |
259 | if (valid_single_trace_path(trace_path) != 0) { | |
449f71e3 | 260 | BT_LOGE_STR("Invalid output directory."); |
9b4f54fb JD |
261 | goto error; |
262 | } | |
6ca0eb99 JD |
263 | } else { |
264 | if (g_file_test(trace_path, G_FILE_TEST_EXISTS)) { | |
265 | int i = 0; | |
266 | ||
267 | do { | |
268 | snprintf(trace_path, PATH_MAX, "%s/%s-%d", | |
269 | writer_component->base_path->str, | |
270 | trace_name, ++i); | |
271 | } while (g_file_test(trace_path, G_FILE_TEST_EXISTS) && i < INT_MAX); | |
272 | if (i == INT_MAX) { | |
449f71e3 | 273 | BT_LOGE_STR("Unable to find a unique trace path."); |
6ca0eb99 JD |
274 | goto error; |
275 | } | |
276 | } | |
9b4f54fb JD |
277 | } |
278 | ||
279 | ret = 0; | |
9b4f54fb JD |
280 | goto end; |
281 | ||
282 | error: | |
283 | ret = -1; | |
284 | end: | |
285 | return ret; | |
286 | } | |
287 | ||
bc506aa5 | 288 | static |
f3168545 | 289 | struct fs_writer *insert_new_writer( |
bc506aa5 JD |
290 | struct writer_component *writer_component, |
291 | struct bt_ctf_trace *trace) | |
292 | { | |
9ae49d3d JD |
293 | struct bt_ctf_writer *ctf_writer = NULL; |
294 | struct bt_ctf_trace *writer_trace = NULL; | |
9b4f54fb | 295 | char trace_path[PATH_MAX]; |
bc506aa5 | 296 | enum bt_component_status ret; |
cdcf612f JD |
297 | struct bt_ctf_stream *stream = NULL; |
298 | struct fs_writer *fs_writer = NULL; | |
299 | int nr_stream, i; | |
bc506aa5 | 300 | |
6ca0eb99 | 301 | if (writer_component->single_trace && writer_component->nr_traces > 0) { |
449f71e3 | 302 | BT_LOGE_STR("Trying to process more than one trace but single trace mode enabled."); |
6ca0eb99 JD |
303 | goto error; |
304 | } | |
305 | ||
9b4f54fb JD |
306 | ret = make_trace_path(writer_component, trace, trace_path); |
307 | if (ret) { | |
449f71e3 | 308 | BT_LOGE_STR("Failed to make trace path."); |
9b4f54fb JD |
309 | goto error; |
310 | } | |
311 | ||
312 | printf("ctf.fs sink creating trace in %s\n", trace_path); | |
9057f037 | 313 | |
9b4f54fb | 314 | ctf_writer = bt_ctf_writer_create(trace_path); |
bc506aa5 | 315 | if (!ctf_writer) { |
449f71e3 | 316 | BT_LOGE_STR("Failed to create CTF writer."); |
9ae49d3d | 317 | goto error; |
bc506aa5 JD |
318 | } |
319 | ||
91b73004 | 320 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
449f71e3 | 321 | assert(writer_trace); |
91b73004 JD |
322 | |
323 | ret = ctf_copy_trace(writer_component->err, trace, writer_trace); | |
bc506aa5 | 324 | if (ret != BT_COMPONENT_STATUS_OK) { |
449f71e3 | 325 | BT_LOGE_STR("Failed to copy trace."); |
bc506aa5 | 326 | BT_PUT(ctf_writer); |
f3168545 | 327 | goto error; |
bc506aa5 | 328 | } |
f3168545 JD |
329 | |
330 | fs_writer = g_new0(struct fs_writer, 1); | |
331 | if (!fs_writer) { | |
449f71e3 | 332 | BT_LOGE_STR("Failed to allocate fs_writer."); |
f3168545 JD |
333 | goto error; |
334 | } | |
335 | fs_writer->writer = ctf_writer; | |
cdcf612f JD |
336 | fs_writer->trace = trace; |
337 | fs_writer->writer_trace = writer_trace; | |
6f25f7c4 | 338 | fs_writer->writer_component = writer_component; |
cdcf612f | 339 | BT_PUT(writer_trace); |
a619fcb7 JD |
340 | fs_writer->stream_class_map = g_hash_table_new_full(g_direct_hash, |
341 | g_direct_equal, NULL, (GDestroyNotify) unref_stream_class); | |
342 | fs_writer->stream_map = g_hash_table_new_full(g_direct_hash, | |
343 | g_direct_equal, NULL, (GDestroyNotify) unref_stream); | |
cdcf612f JD |
344 | fs_writer->stream_states = g_hash_table_new_full(g_direct_hash, |
345 | g_direct_equal, NULL, destroy_stream_state_key); | |
346 | ||
347 | /* Set all the existing streams in the unknown state. */ | |
348 | nr_stream = bt_ctf_trace_get_stream_count(trace); | |
349 | for (i = 0; i < nr_stream; i++) { | |
cdcf612f | 350 | stream = bt_ctf_trace_get_stream_by_index(trace, i); |
449f71e3 JD |
351 | assert(stream); |
352 | ||
2881e5b5 | 353 | insert_new_stream_state(writer_component, fs_writer, stream); |
cdcf612f JD |
354 | BT_PUT(stream); |
355 | } | |
356 | ||
357 | /* Check if the trace is already static or register a listener. */ | |
f3168545 JD |
358 | if (bt_ctf_trace_is_static(trace)) { |
359 | fs_writer->trace_static = 1; | |
360 | fs_writer->static_listener_id = -1; | |
361 | } else { | |
362 | ret = bt_ctf_trace_add_is_static_listener(trace, | |
6f25f7c4 | 363 | trace_is_static_listener, fs_writer); |
449f71e3 | 364 | assert(ret >= 0); |
f3168545 JD |
365 | fs_writer->static_listener_id = ret; |
366 | } | |
bc506aa5 | 367 | |
6ca0eb99 | 368 | writer_component->nr_traces++; |
bc506aa5 | 369 | g_hash_table_insert(writer_component->trace_map, (gpointer) trace, |
f3168545 | 370 | fs_writer); |
bc506aa5 | 371 | |
9ae49d3d JD |
372 | goto end; |
373 | ||
374 | error: | |
cdcf612f JD |
375 | g_free(fs_writer); |
376 | fs_writer = NULL; | |
9ae49d3d | 377 | bt_put(writer_trace); |
cdcf612f | 378 | bt_put(stream); |
9ae49d3d | 379 | BT_PUT(ctf_writer); |
bc506aa5 | 380 | end: |
f3168545 | 381 | return fs_writer; |
bc506aa5 JD |
382 | } |
383 | ||
384 | static | |
f3168545 | 385 | struct fs_writer *get_fs_writer(struct writer_component *writer_component, |
bc506aa5 JD |
386 | struct bt_ctf_stream_class *stream_class) |
387 | { | |
9ae49d3d | 388 | struct bt_ctf_trace *trace = NULL; |
f3168545 | 389 | struct fs_writer *fs_writer; |
bc506aa5 JD |
390 | |
391 | trace = bt_ctf_stream_class_get_trace(stream_class); | |
449f71e3 | 392 | assert(trace); |
bc506aa5 | 393 | |
f3168545 | 394 | fs_writer = g_hash_table_lookup(writer_component->trace_map, |
bc506aa5 | 395 | (gpointer) trace); |
f3168545 JD |
396 | if (!fs_writer) { |
397 | fs_writer = insert_new_writer(writer_component, trace); | |
bc506aa5 | 398 | } |
9ae49d3d | 399 | BT_PUT(trace); |
bc506aa5 | 400 | |
f3168545 | 401 | return fs_writer; |
bc506aa5 JD |
402 | } |
403 | ||
a619fcb7 JD |
404 | static |
405 | struct fs_writer *get_fs_writer_from_stream( | |
406 | struct writer_component *writer_component, | |
407 | struct bt_ctf_stream *stream) | |
408 | { | |
409 | struct bt_ctf_stream_class *stream_class = NULL; | |
410 | struct fs_writer *fs_writer; | |
411 | ||
412 | stream_class = bt_ctf_stream_get_class(stream); | |
449f71e3 | 413 | assert(stream_class); |
a619fcb7 JD |
414 | |
415 | fs_writer = get_fs_writer(writer_component, stream_class); | |
a619fcb7 | 416 | |
a619fcb7 JD |
417 | bt_put(stream_class); |
418 | return fs_writer; | |
419 | } | |
420 | ||
421 | static | |
422 | struct bt_ctf_stream_class *lookup_stream_class( | |
423 | struct writer_component *writer_component, | |
424 | struct bt_ctf_stream_class *stream_class) | |
425 | { | |
426 | struct fs_writer *fs_writer = get_fs_writer( | |
427 | writer_component, stream_class); | |
428 | assert(fs_writer); | |
429 | return (struct bt_ctf_stream_class *) g_hash_table_lookup( | |
430 | fs_writer->stream_class_map, (gpointer) stream_class); | |
431 | } | |
432 | ||
433 | static | |
434 | struct bt_ctf_stream *lookup_stream(struct writer_component *writer_component, | |
435 | struct bt_ctf_stream *stream) | |
436 | { | |
437 | struct fs_writer *fs_writer = get_fs_writer_from_stream( | |
438 | writer_component, stream); | |
439 | assert(fs_writer); | |
440 | return (struct bt_ctf_stream *) g_hash_table_lookup( | |
441 | fs_writer->stream_map, (gpointer) stream); | |
442 | } | |
443 | ||
444 | static | |
445 | struct bt_ctf_stream *insert_new_stream( | |
446 | struct writer_component *writer_component, | |
447 | struct fs_writer *fs_writer, | |
448 | struct bt_ctf_stream_class *stream_class, | |
449 | struct bt_ctf_stream *stream) | |
450 | { | |
451 | struct bt_ctf_stream *writer_stream = NULL; | |
452 | struct bt_ctf_stream_class *writer_stream_class = NULL; | |
453 | struct bt_ctf_writer *ctf_writer = bt_get(fs_writer->writer); | |
454 | ||
455 | writer_stream_class = lookup_stream_class(writer_component, | |
456 | stream_class); | |
457 | if (!writer_stream_class) { | |
458 | writer_stream_class = insert_new_stream_class( | |
459 | writer_component, fs_writer, stream_class); | |
460 | if (!writer_stream_class) { | |
449f71e3 | 461 | BT_LOGE_STR("Failed to insert a new stream_class."); |
a619fcb7 JD |
462 | goto error; |
463 | } | |
464 | } | |
465 | bt_get(writer_stream_class); | |
466 | ||
e48a596a PP |
467 | writer_stream = bt_ctf_stream_create(writer_stream_class, |
468 | bt_ctf_stream_get_name(stream)); | |
449f71e3 | 469 | assert(writer_stream); |
a619fcb7 JD |
470 | |
471 | g_hash_table_insert(fs_writer->stream_map, (gpointer) stream, | |
472 | writer_stream); | |
473 | ||
474 | goto end; | |
475 | ||
476 | error: | |
477 | BT_PUT(writer_stream); | |
478 | end: | |
479 | bt_put(ctf_writer); | |
480 | bt_put(writer_stream_class); | |
481 | return writer_stream; | |
482 | } | |
483 | ||
484 | static | |
485 | struct bt_ctf_event_class *get_event_class(struct writer_component *writer_component, | |
486 | struct bt_ctf_stream_class *writer_stream_class, | |
487 | struct bt_ctf_event_class *event_class) | |
488 | { | |
489 | return bt_ctf_stream_class_get_event_class_by_id(writer_stream_class, | |
490 | bt_ctf_event_class_get_id(event_class)); | |
491 | } | |
492 | ||
bc506aa5 JD |
493 | static |
494 | struct bt_ctf_stream *get_writer_stream( | |
495 | struct writer_component *writer_component, | |
496 | struct bt_ctf_packet *packet, struct bt_ctf_stream *stream) | |
497 | { | |
9ae49d3d | 498 | struct bt_ctf_stream *writer_stream = NULL; |
bc506aa5 | 499 | |
f384901f JD |
500 | writer_stream = lookup_stream(writer_component, stream); |
501 | if (!writer_stream) { | |
449f71e3 | 502 | BT_LOGE_STR("Failed to find existing stream."); |
9ae49d3d | 503 | goto error; |
bc506aa5 | 504 | } |
9ae49d3d JD |
505 | bt_get(writer_stream); |
506 | ||
507 | goto end; | |
bc506aa5 | 508 | |
9ae49d3d JD |
509 | error: |
510 | BT_PUT(writer_stream); | |
511 | end: | |
bc506aa5 JD |
512 | return writer_stream; |
513 | } | |
514 | ||
f3168545 | 515 | BT_HIDDEN |
a619fcb7 JD |
516 | void writer_close(struct writer_component *writer_component, |
517 | struct fs_writer *fs_writer) | |
f3168545 | 518 | { |
ec273a88 | 519 | if (fs_writer->static_listener_id >= 0) { |
a619fcb7 | 520 | bt_ctf_trace_remove_is_static_listener(fs_writer->trace, |
f3168545 JD |
521 | fs_writer->static_listener_id); |
522 | } | |
a619fcb7 JD |
523 | |
524 | /* Empty the stream class HT. */ | |
525 | g_hash_table_foreach_remove(fs_writer->stream_class_map, | |
526 | empty_ht, NULL); | |
527 | g_hash_table_destroy(fs_writer->stream_class_map); | |
528 | ||
529 | /* Empty the stream HT. */ | |
530 | g_hash_table_foreach_remove(fs_writer->stream_map, | |
2e4636e1 | 531 | empty_streams_ht, NULL); |
a619fcb7 | 532 | g_hash_table_destroy(fs_writer->stream_map); |
cdcf612f JD |
533 | |
534 | /* Empty the stream state HT. */ | |
535 | g_hash_table_foreach_remove(fs_writer->stream_states, | |
536 | empty_ht, NULL); | |
537 | g_hash_table_destroy(fs_writer->stream_states); | |
f3168545 JD |
538 | } |
539 | ||
f384901f JD |
540 | BT_HIDDEN |
541 | enum bt_component_status writer_stream_begin( | |
542 | struct writer_component *writer_component, | |
543 | struct bt_ctf_stream *stream) | |
544 | { | |
545 | struct bt_ctf_stream_class *stream_class = NULL; | |
546 | struct fs_writer *fs_writer; | |
f384901f JD |
547 | struct bt_ctf_stream *writer_stream = NULL; |
548 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
cdcf612f | 549 | enum fs_writer_stream_state *state; |
f384901f JD |
550 | |
551 | stream_class = bt_ctf_stream_get_class(stream); | |
449f71e3 | 552 | assert(stream_class); |
f384901f JD |
553 | |
554 | fs_writer = get_fs_writer(writer_component, stream_class); | |
555 | if (!fs_writer) { | |
449f71e3 | 556 | BT_LOGE_STR("Failed to get fs_writer."); |
f384901f JD |
557 | goto error; |
558 | } | |
cdcf612f JD |
559 | |
560 | /* Set the stream as active */ | |
561 | state = g_hash_table_lookup(fs_writer->stream_states, stream); | |
2881e5b5 JD |
562 | if (!state) { |
563 | if (fs_writer->trace_static) { | |
449f71e3 | 564 | BT_LOGE_STR("Cannot add new stream on a static trace."); |
2881e5b5 JD |
565 | goto error; |
566 | } | |
567 | state = insert_new_stream_state(writer_component, fs_writer, | |
568 | stream); | |
569 | } | |
cdcf612f | 570 | if (*state != FS_WRITER_UNKNOWN_STREAM) { |
449f71e3 | 571 | BT_LOGE("Unexpected stream state: state=%d", *state); |
cdcf612f JD |
572 | goto error; |
573 | } | |
574 | *state = FS_WRITER_ACTIVE_STREAM; | |
575 | ||
a619fcb7 | 576 | writer_stream = insert_new_stream(writer_component, fs_writer, |
f384901f JD |
577 | stream_class, stream); |
578 | if (!writer_stream) { | |
449f71e3 | 579 | BT_LOGE_STR("Failed to insert new stream."); |
f384901f JD |
580 | goto error; |
581 | } | |
f384901f JD |
582 | |
583 | goto end; | |
584 | ||
585 | error: | |
586 | ret = BT_COMPONENT_STATUS_ERROR; | |
587 | end: | |
f384901f JD |
588 | bt_put(stream_class); |
589 | return ret; | |
590 | } | |
591 | ||
f3168545 JD |
592 | BT_HIDDEN |
593 | enum bt_component_status writer_stream_end( | |
594 | struct writer_component *writer_component, | |
595 | struct bt_ctf_stream *stream) | |
596 | { | |
597 | struct bt_ctf_stream_class *stream_class = NULL; | |
598 | struct fs_writer *fs_writer; | |
599 | struct bt_ctf_trace *trace = NULL; | |
600 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
cdcf612f | 601 | enum fs_writer_stream_state *state; |
f3168545 | 602 | |
f3168545 | 603 | stream_class = bt_ctf_stream_get_class(stream); |
449f71e3 | 604 | assert(stream_class); |
f3168545 JD |
605 | |
606 | fs_writer = get_fs_writer(writer_component, stream_class); | |
607 | if (!fs_writer) { | |
449f71e3 | 608 | BT_LOGE_STR("Failed to get fs_writer."); |
f3168545 JD |
609 | goto error; |
610 | } | |
cdcf612f JD |
611 | |
612 | state = g_hash_table_lookup(fs_writer->stream_states, stream); | |
613 | if (*state != FS_WRITER_ACTIVE_STREAM) { | |
449f71e3 | 614 | BT_LOGE("Unexpected stream state: state=%d", *state); |
cdcf612f JD |
615 | goto error; |
616 | } | |
617 | *state = FS_WRITER_COMPLETED_STREAM; | |
618 | ||
a619fcb7 | 619 | g_hash_table_remove(fs_writer->stream_map, stream); |
f3168545 | 620 | |
cdcf612f JD |
621 | if (fs_writer->trace_static) { |
622 | int trace_completed = 1; | |
623 | ||
624 | g_hash_table_foreach(fs_writer->stream_states, | |
625 | check_completed_trace, &trace_completed); | |
626 | if (trace_completed) { | |
627 | writer_close(writer_component, fs_writer); | |
628 | g_hash_table_remove(writer_component->trace_map, | |
629 | fs_writer->trace); | |
630 | } | |
f3168545 JD |
631 | } |
632 | ||
633 | goto end; | |
634 | ||
635 | error: | |
636 | ret = BT_COMPONENT_STATUS_ERROR; | |
637 | end: | |
638 | BT_PUT(trace); | |
639 | BT_PUT(stream_class); | |
640 | return ret; | |
641 | } | |
642 | ||
bc506aa5 JD |
643 | BT_HIDDEN |
644 | enum bt_component_status writer_new_packet( | |
645 | struct writer_component *writer_component, | |
646 | struct bt_ctf_packet *packet) | |
647 | { | |
9ae49d3d | 648 | struct bt_ctf_stream *stream = NULL, *writer_stream = NULL; |
bc506aa5 | 649 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
b2f1f465 | 650 | int int_ret; |
bc506aa5 JD |
651 | |
652 | stream = bt_ctf_packet_get_stream(packet); | |
449f71e3 | 653 | assert(stream); |
bc506aa5 | 654 | |
bc506aa5 JD |
655 | writer_stream = get_writer_stream(writer_component, packet, stream); |
656 | if (!writer_stream) { | |
449f71e3 | 657 | BT_LOGE_STR("Failed to get writer_stream."); |
9ae49d3d | 658 | goto error; |
bc506aa5 | 659 | } |
9ae49d3d | 660 | BT_PUT(stream); |
bc506aa5 | 661 | |
9877e1aa JD |
662 | int_ret = ctf_stream_copy_packet_context( |
663 | writer_component->err, packet, writer_stream); | |
664 | if (int_ret < 0) { | |
449f71e3 | 665 | BT_LOGE_STR("Failed to copy packet_context."); |
9877e1aa | 666 | goto error; |
b2f1f465 | 667 | } |
387483fc JD |
668 | |
669 | ret = ctf_stream_copy_packet_header(writer_component->err, | |
670 | packet, writer_stream); | |
671 | if (ret != 0) { | |
449f71e3 | 672 | BT_LOGE_STR("Failed to copy packet_header."); |
387483fc JD |
673 | goto error; |
674 | } | |
b2f1f465 | 675 | |
9ae49d3d | 676 | goto end; |
bc506aa5 | 677 | |
9ae49d3d JD |
678 | error: |
679 | ret = BT_COMPONENT_STATUS_ERROR; | |
680 | end: | |
681 | bt_put(writer_stream); | |
91b73004 | 682 | bt_put(stream); |
bc506aa5 JD |
683 | return ret; |
684 | } | |
685 | ||
686 | BT_HIDDEN | |
687 | enum bt_component_status writer_close_packet( | |
688 | struct writer_component *writer_component, | |
689 | struct bt_ctf_packet *packet) | |
690 | { | |
9ae49d3d | 691 | struct bt_ctf_stream *stream = NULL, *writer_stream = NULL; |
bc506aa5 JD |
692 | enum bt_component_status ret; |
693 | ||
694 | stream = bt_ctf_packet_get_stream(packet); | |
449f71e3 | 695 | assert(stream); |
bc506aa5 JD |
696 | |
697 | writer_stream = lookup_stream(writer_component, stream); | |
698 | if (!writer_stream) { | |
449f71e3 | 699 | BT_LOGE_STR("Failed to find existing stream."); |
9ae49d3d | 700 | goto error; |
bc506aa5 | 701 | } |
9ae49d3d | 702 | BT_PUT(stream); |
bc506aa5 | 703 | |
9ae49d3d | 704 | bt_get(writer_stream); |
bc506aa5 | 705 | |
bc506aa5 | 706 | ret = bt_ctf_stream_flush(writer_stream); |
449f71e3 JD |
707 | if (ret) { |
708 | BT_LOGE_STR("Failed to flush stream."); | |
9ae49d3d | 709 | goto error; |
bc506aa5 | 710 | } |
449f71e3 | 711 | |
9ae49d3d | 712 | BT_PUT(writer_stream); |
bc506aa5 JD |
713 | |
714 | ret = BT_COMPONENT_STATUS_OK; | |
9ae49d3d | 715 | goto end; |
bc506aa5 | 716 | |
9ae49d3d JD |
717 | error: |
718 | ret = BT_COMPONENT_STATUS_ERROR; | |
719 | end: | |
bc506aa5 | 720 | bt_put(writer_stream); |
bc506aa5 | 721 | bt_put(stream); |
bc506aa5 JD |
722 | return ret; |
723 | } | |
724 | ||
bc506aa5 JD |
725 | BT_HIDDEN |
726 | enum bt_component_status writer_output_event( | |
727 | struct writer_component *writer_component, | |
728 | struct bt_ctf_event *event) | |
729 | { | |
730 | enum bt_component_status ret; | |
9ae49d3d JD |
731 | struct bt_ctf_event_class *event_class = NULL, *writer_event_class = NULL; |
732 | struct bt_ctf_stream *stream = NULL, *writer_stream = NULL; | |
733 | struct bt_ctf_stream_class *stream_class = NULL, *writer_stream_class = NULL; | |
734 | struct bt_ctf_event *writer_event = NULL; | |
bc506aa5 JD |
735 | int int_ret; |
736 | ||
737 | event_class = bt_ctf_event_get_class(event); | |
449f71e3 | 738 | assert(event_class); |
bc506aa5 JD |
739 | |
740 | stream = bt_ctf_event_get_stream(event); | |
449f71e3 | 741 | assert(stream); |
bc506aa5 JD |
742 | |
743 | writer_stream = lookup_stream(writer_component, stream); | |
744 | if (!writer_stream || !bt_get(writer_stream)) { | |
449f71e3 | 745 | BT_LOGE_STR("Failed for find existing stream."); |
9ae49d3d | 746 | goto error; |
bc506aa5 JD |
747 | } |
748 | ||
749 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
449f71e3 | 750 | assert(stream_class); |
bc506aa5 | 751 | |
a619fcb7 | 752 | writer_stream_class = lookup_stream_class(writer_component, stream_class); |
bc506aa5 | 753 | if (!writer_stream_class || !bt_get(writer_stream_class)) { |
449f71e3 | 754 | BT_LOGE_STR("Failed to find existing stream_class."); |
9ae49d3d | 755 | goto error; |
bc506aa5 JD |
756 | } |
757 | ||
758 | writer_event_class = get_event_class(writer_component, | |
759 | writer_stream_class, event_class); | |
760 | if (!writer_event_class) { | |
af34e875 JD |
761 | writer_event_class = ctf_copy_event_class(writer_component->err, |
762 | event_class); | |
763 | if (!writer_event_class) { | |
449f71e3 | 764 | BT_LOGE_STR("Failed to copy event_class."); |
9ae49d3d | 765 | goto error; |
af34e875 JD |
766 | } |
767 | int_ret = bt_ctf_stream_class_add_event_class( | |
768 | writer_stream_class, writer_event_class); | |
769 | if (int_ret) { | |
449f71e3 JD |
770 | BT_LOGE("Failed to add event_class: event_name=\"%s\"", |
771 | bt_ctf_event_class_get_name(event_class)); | |
9ae49d3d | 772 | goto error; |
af34e875 | 773 | } |
bc506aa5 JD |
774 | } |
775 | ||
b2f1f465 JD |
776 | writer_event = ctf_copy_event(writer_component->err, event, |
777 | writer_event_class, true); | |
bc506aa5 | 778 | if (!writer_event) { |
449f71e3 | 779 | BT_LOGE("Failed to copy event: event_class=\"%s\"", |
bc506aa5 | 780 | bt_ctf_event_class_get_name(writer_event_class)); |
9ae49d3d | 781 | goto error; |
bc506aa5 JD |
782 | } |
783 | ||
784 | int_ret = bt_ctf_stream_append_event(writer_stream, writer_event); | |
785 | if (int_ret < 0) { | |
449f71e3 | 786 | BT_LOGE("Failed to append event: event_class=\"%s\"", |
bc506aa5 | 787 | bt_ctf_event_class_get_name(writer_event_class)); |
9ae49d3d | 788 | goto error; |
bc506aa5 JD |
789 | } |
790 | ||
791 | ret = BT_COMPONENT_STATUS_OK; | |
9ae49d3d | 792 | goto end; |
bc506aa5 | 793 | |
9ae49d3d JD |
794 | error: |
795 | ret = BT_COMPONENT_STATUS_ERROR; | |
796 | end: | |
bc506aa5 | 797 | bt_put(writer_event); |
bc506aa5 | 798 | bt_put(writer_event_class); |
bc506aa5 | 799 | bt_put(writer_stream_class); |
bc506aa5 | 800 | bt_put(stream_class); |
bc506aa5 | 801 | bt_put(writer_stream); |
bc506aa5 | 802 | bt_put(stream); |
bc506aa5 | 803 | bt_put(event_class); |
bc506aa5 JD |
804 | return ret; |
805 | } |