Commit | Line | Data |
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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 | ||
3d85ffe1 JD |
29 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-WRITE" |
30 | #include "logging.h" | |
31 | ||
e0831b38 | 32 | #include <babeltrace/babeltrace.h> |
8b45963b | 33 | #include <babeltrace/assert-internal.h> |
5d8d2cdc | 34 | #include <glib.h> |
bc506aa5 | 35 | |
91b73004 JD |
36 | #include <ctfcopytrace.h> |
37 | ||
bc506aa5 JD |
38 | #include "writer.h" |
39 | ||
a619fcb7 | 40 | static |
839d52a5 | 41 | void unref_stream_class(struct bt_stream_class *writer_stream_class) |
a619fcb7 | 42 | { |
8138bfe1 | 43 | bt_object_put_ref(writer_stream_class); |
a619fcb7 JD |
44 | } |
45 | ||
46 | static | |
839d52a5 | 47 | void unref_stream(struct bt_stream_class *writer_stream) |
a619fcb7 | 48 | { |
8138bfe1 | 49 | bt_object_put_ref(writer_stream); |
a619fcb7 JD |
50 | } |
51 | ||
1c78e839 | 52 | static |
a619fcb7 JD |
53 | gboolean empty_ht(gpointer key, gpointer value, gpointer user_data) |
54 | { | |
55 | return TRUE; | |
56 | } | |
57 | ||
1c78e839 | 58 | static |
2e4636e1 JD |
59 | gboolean empty_streams_ht(gpointer key, gpointer value, gpointer user_data) |
60 | { | |
4ea30b15 | 61 | int ret; |
839d52a5 | 62 | struct bt_stream *writer_stream = value; |
2e4636e1 | 63 | |
839d52a5 | 64 | ret = bt_stream_flush(writer_stream); |
4ea30b15 JG |
65 | if (ret) { |
66 | BT_LOGD_STR("Failed to flush stream while emptying hash table."); | |
67 | } | |
2e4636e1 JD |
68 | return TRUE; |
69 | } | |
70 | ||
1c78e839 | 71 | static |
cdcf612f JD |
72 | void destroy_stream_state_key(gpointer key) |
73 | { | |
74 | g_free((enum fs_writer_stream_state *) key); | |
75 | } | |
76 | ||
1c78e839 | 77 | static |
6f25f7c4 JD |
78 | void check_completed_trace(gpointer key, gpointer value, gpointer user_data) |
79 | { | |
80 | enum fs_writer_stream_state *state = value; | |
81 | int *trace_completed = user_data; | |
82 | ||
83 | if (*state != FS_WRITER_COMPLETED_STREAM) { | |
84 | *trace_completed = 0; | |
85 | } | |
86 | } | |
87 | ||
f3168545 | 88 | static |
839d52a5 | 89 | void trace_is_static_listener(struct bt_trace *trace, void *data) |
f3168545 | 90 | { |
6f25f7c4 JD |
91 | struct fs_writer *fs_writer = data; |
92 | int trace_completed = 1; | |
93 | ||
94 | fs_writer->trace_static = 1; | |
95 | ||
96 | g_hash_table_foreach(fs_writer->stream_states, | |
97 | check_completed_trace, &trace_completed); | |
98 | if (trace_completed) { | |
99 | writer_close(fs_writer->writer_component, fs_writer); | |
100 | g_hash_table_remove(fs_writer->writer_component->trace_map, | |
101 | fs_writer->trace); | |
102 | } | |
f3168545 JD |
103 | } |
104 | ||
bc506aa5 | 105 | static |
839d52a5 | 106 | struct bt_stream_class *insert_new_stream_class( |
91b73004 | 107 | struct writer_component *writer_component, |
a619fcb7 | 108 | struct fs_writer *fs_writer, |
839d52a5 | 109 | struct bt_stream_class *stream_class) |
bc506aa5 | 110 | { |
839d52a5 PP |
111 | struct bt_stream_class *writer_stream_class = NULL; |
112 | struct bt_trace *trace = NULL, *writer_trace = NULL; | |
a619fcb7 | 113 | struct bt_ctf_writer *ctf_writer = fs_writer->writer; |
3241bc18 | 114 | enum bt_component_status ret; |
bc506aa5 | 115 | |
839d52a5 | 116 | trace = bt_stream_class_get_trace(stream_class); |
8b45963b | 117 | BT_ASSERT(trace); |
bc506aa5 | 118 | |
91b73004 | 119 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
8b45963b | 120 | BT_ASSERT(writer_trace); |
bc506aa5 | 121 | |
91b73004 JD |
122 | ret = ctf_copy_clock_classes(writer_component->err, writer_trace, |
123 | writer_stream_class, trace); | |
bc506aa5 | 124 | if (ret != BT_COMPONENT_STATUS_OK) { |
3d85ffe1 | 125 | BT_LOGE_STR("Failed to copy clock classes."); |
9ae49d3d | 126 | goto error; |
b2f1f465 JD |
127 | } |
128 | ||
129 | writer_stream_class = ctf_copy_stream_class(writer_component->err, | |
130 | stream_class, writer_trace, true); | |
131 | if (!writer_stream_class) { | |
3d85ffe1 | 132 | BT_LOGE_STR("Failed to copy stream class."); |
9ae49d3d | 133 | goto error; |
bc506aa5 | 134 | } |
bc506aa5 | 135 | |
839d52a5 | 136 | ret = bt_trace_add_stream_class(writer_trace, writer_stream_class); |
ea7c86ef | 137 | if (ret) { |
3d85ffe1 | 138 | BT_LOGE_STR("Failed to add stream_class."); |
ea7c86ef PP |
139 | goto error; |
140 | } | |
141 | ||
a619fcb7 | 142 | g_hash_table_insert(fs_writer->stream_class_map, |
bc506aa5 JD |
143 | (gpointer) stream_class, writer_stream_class); |
144 | ||
9ae49d3d JD |
145 | goto end; |
146 | ||
147 | error: | |
8138bfe1 | 148 | BT_OBJECT_PUT_REF_AND_RESET(writer_stream_class); |
9ae49d3d | 149 | end: |
8138bfe1 PP |
150 | bt_object_put_ref(writer_trace); |
151 | bt_object_put_ref(trace); | |
bc506aa5 JD |
152 | return writer_stream_class; |
153 | } | |
154 | ||
2881e5b5 JD |
155 | static |
156 | enum fs_writer_stream_state *insert_new_stream_state( | |
157 | struct writer_component *writer_component, | |
839d52a5 | 158 | struct fs_writer *fs_writer, struct bt_stream *stream) |
2881e5b5 JD |
159 | { |
160 | enum fs_writer_stream_state *v = NULL; | |
161 | ||
162 | v = g_new0(enum fs_writer_stream_state, 1); | |
163 | if (!v) { | |
8893a28c JG |
164 | BT_LOGE_STR("Failed to allocate fs_writer_stream_state."); |
165 | goto end; | |
2881e5b5 JD |
166 | } |
167 | *v = FS_WRITER_UNKNOWN_STREAM; | |
168 | ||
169 | g_hash_table_insert(fs_writer->stream_states, stream, v); | |
8893a28c | 170 | end: |
2881e5b5 JD |
171 | return v; |
172 | } | |
173 | ||
cf5d5317 JD |
174 | /* |
175 | * Make sure the output path is valid for a single trace: either it does | |
176 | * not exists or it is empty. | |
177 | * | |
178 | * Return 0 if the path is valid, -1 otherwise. | |
179 | */ | |
180 | static | |
181 | bool valid_single_trace_path(const char *path) | |
182 | { | |
5d8d2cdc MJ |
183 | GError *error = NULL; |
184 | GDir *dir = NULL; | |
185 | int ret = 0; | |
186 | ||
187 | dir = g_dir_open(path, 0, &error); | |
cf5d5317 | 188 | |
3be61dc2 | 189 | /* Non-existent directory. */ |
cf5d5317 | 190 | if (!dir) { |
5d8d2cdc MJ |
191 | /* For any other error, return an error */ |
192 | if (error->code != G_FILE_ERROR_NOENT) { | |
193 | ret = -1; | |
cf5d5317 | 194 | } |
cf5d5317 JD |
195 | goto end; |
196 | } | |
197 | ||
5d8d2cdc MJ |
198 | /* g_dir_read_name skips "." and "..", error out on first result */ |
199 | while (g_dir_read_name(dir) != NULL) { | |
cf5d5317 | 200 | ret = -1; |
5d8d2cdc | 201 | break; |
cf5d5317 JD |
202 | } |
203 | ||
204 | end: | |
5d8d2cdc MJ |
205 | if (dir) { |
206 | g_dir_close(dir); | |
207 | } | |
208 | if (error) { | |
209 | g_error_free(error); | |
210 | } | |
211 | ||
cf5d5317 JD |
212 | return ret; |
213 | } | |
214 | ||
9b4f54fb JD |
215 | static |
216 | int make_trace_path(struct writer_component *writer_component, | |
839d52a5 | 217 | struct bt_trace *trace, char *trace_path) |
9b4f54fb JD |
218 | { |
219 | int ret; | |
220 | const char *trace_name; | |
221 | ||
cf5d5317 JD |
222 | if (writer_component->single_trace) { |
223 | trace_name = "\0"; | |
224 | } else { | |
839d52a5 | 225 | trace_name = bt_trace_get_name(trace); |
cf5d5317 JD |
226 | if (!trace_name) { |
227 | trace_name = writer_component->trace_name_base->str; | |
228 | } | |
9b4f54fb | 229 | } |
9b4f54fb JD |
230 | |
231 | /* Sanitize the trace name. */ | |
232 | if (strlen(trace_name) == 2 && !strcmp(trace_name, "..")) { | |
3d85ffe1 | 233 | BT_LOGE_STR("Trace name cannot be \"..\"."); |
9b4f54fb JD |
234 | goto error; |
235 | } | |
236 | ||
237 | if (strstr(trace_name, "../")) { | |
3d85ffe1 | 238 | BT_LOGE_STR("Trace name cannot contain \"../\"."); |
9b4f54fb JD |
239 | goto error; |
240 | ||
241 | } | |
242 | ||
2c7bce29 | 243 | snprintf(trace_path, PATH_MAX, "%s" G_DIR_SEPARATOR_S "%s", |
9b4f54fb JD |
244 | writer_component->base_path->str, |
245 | trace_name); | |
cf5d5317 JD |
246 | /* |
247 | * Append a suffix if the trace_path exists and we are not in | |
248 | * single-trace mode. | |
249 | */ | |
250 | if (writer_component->single_trace) { | |
251 | if (valid_single_trace_path(trace_path) != 0) { | |
3d85ffe1 | 252 | BT_LOGE_STR("Invalid output directory."); |
9b4f54fb JD |
253 | goto error; |
254 | } | |
cf5d5317 JD |
255 | } else { |
256 | if (g_file_test(trace_path, G_FILE_TEST_EXISTS)) { | |
257 | int i = 0; | |
258 | ||
259 | do { | |
2c7bce29 | 260 | snprintf(trace_path, PATH_MAX, "%s" G_DIR_SEPARATOR_S "%s-%d", |
cf5d5317 JD |
261 | writer_component->base_path->str, |
262 | trace_name, ++i); | |
263 | } while (g_file_test(trace_path, G_FILE_TEST_EXISTS) && i < INT_MAX); | |
264 | if (i == INT_MAX) { | |
3d85ffe1 | 265 | BT_LOGE_STR("Unable to find a unique trace path."); |
cf5d5317 JD |
266 | goto error; |
267 | } | |
268 | } | |
9b4f54fb JD |
269 | } |
270 | ||
271 | ret = 0; | |
9b4f54fb JD |
272 | goto end; |
273 | ||
274 | error: | |
275 | ret = -1; | |
276 | end: | |
277 | return ret; | |
278 | } | |
279 | ||
bc506aa5 | 280 | static |
f3168545 | 281 | struct fs_writer *insert_new_writer( |
bc506aa5 | 282 | struct writer_component *writer_component, |
839d52a5 | 283 | struct bt_trace *trace) |
bc506aa5 | 284 | { |
9ae49d3d | 285 | struct bt_ctf_writer *ctf_writer = NULL; |
839d52a5 | 286 | struct bt_trace *writer_trace = NULL; |
9b4f54fb | 287 | char trace_path[PATH_MAX]; |
bc506aa5 | 288 | enum bt_component_status ret; |
839d52a5 | 289 | struct bt_stream *stream = NULL; |
cdcf612f JD |
290 | struct fs_writer *fs_writer = NULL; |
291 | int nr_stream, i; | |
bc506aa5 | 292 | |
cf5d5317 | 293 | if (writer_component->single_trace && writer_component->nr_traces > 0) { |
3d85ffe1 | 294 | BT_LOGE_STR("Trying to process more than one trace but single trace mode enabled."); |
cf5d5317 JD |
295 | goto error; |
296 | } | |
297 | ||
9b4f54fb JD |
298 | ret = make_trace_path(writer_component, trace, trace_path); |
299 | if (ret) { | |
3d85ffe1 | 300 | BT_LOGE_STR("Failed to make trace path."); |
9b4f54fb JD |
301 | goto error; |
302 | } | |
303 | ||
304 | printf("ctf.fs sink creating trace in %s\n", trace_path); | |
9057f037 | 305 | |
9b4f54fb | 306 | ctf_writer = bt_ctf_writer_create(trace_path); |
bc506aa5 | 307 | if (!ctf_writer) { |
3d85ffe1 | 308 | BT_LOGE_STR("Failed to create CTF writer."); |
9ae49d3d | 309 | goto error; |
bc506aa5 JD |
310 | } |
311 | ||
91b73004 | 312 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
8b45963b | 313 | BT_ASSERT(writer_trace); |
91b73004 JD |
314 | |
315 | ret = ctf_copy_trace(writer_component->err, trace, writer_trace); | |
bc506aa5 | 316 | if (ret != BT_COMPONENT_STATUS_OK) { |
3d85ffe1 | 317 | BT_LOGE_STR("Failed to copy trace."); |
8138bfe1 | 318 | BT_OBJECT_PUT_REF_AND_RESET(ctf_writer); |
f3168545 | 319 | goto error; |
bc506aa5 | 320 | } |
f3168545 JD |
321 | |
322 | fs_writer = g_new0(struct fs_writer, 1); | |
323 | if (!fs_writer) { | |
3d85ffe1 | 324 | BT_LOGE_STR("Failed to allocate fs_writer."); |
f3168545 JD |
325 | goto error; |
326 | } | |
327 | fs_writer->writer = ctf_writer; | |
cdcf612f JD |
328 | fs_writer->trace = trace; |
329 | fs_writer->writer_trace = writer_trace; | |
6f25f7c4 | 330 | fs_writer->writer_component = writer_component; |
8138bfe1 | 331 | BT_OBJECT_PUT_REF_AND_RESET(writer_trace); |
a619fcb7 JD |
332 | fs_writer->stream_class_map = g_hash_table_new_full(g_direct_hash, |
333 | g_direct_equal, NULL, (GDestroyNotify) unref_stream_class); | |
334 | fs_writer->stream_map = g_hash_table_new_full(g_direct_hash, | |
335 | g_direct_equal, NULL, (GDestroyNotify) unref_stream); | |
cdcf612f JD |
336 | fs_writer->stream_states = g_hash_table_new_full(g_direct_hash, |
337 | g_direct_equal, NULL, destroy_stream_state_key); | |
338 | ||
339 | /* Set all the existing streams in the unknown state. */ | |
839d52a5 | 340 | nr_stream = bt_trace_get_stream_count(trace); |
cdcf612f | 341 | for (i = 0; i < nr_stream; i++) { |
839d52a5 | 342 | stream = bt_trace_get_stream_by_index(trace, i); |
8b45963b | 343 | BT_ASSERT(stream); |
3d85ffe1 | 344 | |
2881e5b5 | 345 | insert_new_stream_state(writer_component, fs_writer, stream); |
8138bfe1 | 346 | BT_OBJECT_PUT_REF_AND_RESET(stream); |
cdcf612f JD |
347 | } |
348 | ||
349 | /* Check if the trace is already static or register a listener. */ | |
839d52a5 | 350 | if (bt_trace_is_static(trace)) { |
f3168545 JD |
351 | fs_writer->trace_static = 1; |
352 | fs_writer->static_listener_id = -1; | |
353 | } else { | |
839d52a5 | 354 | ret = bt_trace_add_is_static_listener(trace, |
9962ad4b | 355 | trace_is_static_listener, NULL, fs_writer); |
8b45963b | 356 | BT_ASSERT(ret >= 0); |
f3168545 JD |
357 | fs_writer->static_listener_id = ret; |
358 | } | |
bc506aa5 | 359 | |
cf5d5317 | 360 | writer_component->nr_traces++; |
bc506aa5 | 361 | g_hash_table_insert(writer_component->trace_map, (gpointer) trace, |
f3168545 | 362 | fs_writer); |
bc506aa5 | 363 | |
9ae49d3d JD |
364 | goto end; |
365 | ||
366 | error: | |
cdcf612f JD |
367 | g_free(fs_writer); |
368 | fs_writer = NULL; | |
8138bfe1 PP |
369 | bt_object_put_ref(writer_trace); |
370 | bt_object_put_ref(stream); | |
371 | BT_OBJECT_PUT_REF_AND_RESET(ctf_writer); | |
bc506aa5 | 372 | end: |
f3168545 | 373 | return fs_writer; |
bc506aa5 JD |
374 | } |
375 | ||
376 | static | |
f3168545 | 377 | struct fs_writer *get_fs_writer(struct writer_component *writer_component, |
839d52a5 | 378 | struct bt_stream_class *stream_class) |
bc506aa5 | 379 | { |
839d52a5 | 380 | struct bt_trace *trace = NULL; |
f3168545 | 381 | struct fs_writer *fs_writer; |
bc506aa5 | 382 | |
839d52a5 | 383 | trace = bt_stream_class_get_trace(stream_class); |
8b45963b | 384 | BT_ASSERT(trace); |
bc506aa5 | 385 | |
f3168545 | 386 | fs_writer = g_hash_table_lookup(writer_component->trace_map, |
bc506aa5 | 387 | (gpointer) trace); |
f3168545 JD |
388 | if (!fs_writer) { |
389 | fs_writer = insert_new_writer(writer_component, trace); | |
bc506aa5 | 390 | } |
8138bfe1 | 391 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
bc506aa5 | 392 | |
f3168545 | 393 | return fs_writer; |
bc506aa5 JD |
394 | } |
395 | ||
a619fcb7 JD |
396 | static |
397 | struct fs_writer *get_fs_writer_from_stream( | |
398 | struct writer_component *writer_component, | |
839d52a5 | 399 | struct bt_stream *stream) |
a619fcb7 | 400 | { |
839d52a5 | 401 | struct bt_stream_class *stream_class = NULL; |
a619fcb7 JD |
402 | struct fs_writer *fs_writer; |
403 | ||
839d52a5 | 404 | stream_class = bt_stream_get_class(stream); |
8b45963b | 405 | BT_ASSERT(stream_class); |
a619fcb7 JD |
406 | |
407 | fs_writer = get_fs_writer(writer_component, stream_class); | |
a619fcb7 | 408 | |
8138bfe1 | 409 | bt_object_put_ref(stream_class); |
a619fcb7 JD |
410 | return fs_writer; |
411 | } | |
412 | ||
413 | static | |
839d52a5 | 414 | struct bt_stream_class *lookup_stream_class( |
a619fcb7 | 415 | struct writer_component *writer_component, |
839d52a5 | 416 | struct bt_stream_class *stream_class) |
a619fcb7 JD |
417 | { |
418 | struct fs_writer *fs_writer = get_fs_writer( | |
419 | writer_component, stream_class); | |
8b45963b | 420 | BT_ASSERT(fs_writer); |
839d52a5 | 421 | return (struct bt_stream_class *) g_hash_table_lookup( |
a619fcb7 JD |
422 | fs_writer->stream_class_map, (gpointer) stream_class); |
423 | } | |
424 | ||
425 | static | |
839d52a5 PP |
426 | struct bt_stream *lookup_stream(struct writer_component *writer_component, |
427 | struct bt_stream *stream) | |
a619fcb7 JD |
428 | { |
429 | struct fs_writer *fs_writer = get_fs_writer_from_stream( | |
430 | writer_component, stream); | |
8b45963b | 431 | BT_ASSERT(fs_writer); |
839d52a5 | 432 | return (struct bt_stream *) g_hash_table_lookup( |
a619fcb7 JD |
433 | fs_writer->stream_map, (gpointer) stream); |
434 | } | |
435 | ||
436 | static | |
839d52a5 | 437 | struct bt_stream *insert_new_stream( |
a619fcb7 JD |
438 | struct writer_component *writer_component, |
439 | struct fs_writer *fs_writer, | |
839d52a5 PP |
440 | struct bt_stream_class *stream_class, |
441 | struct bt_stream *stream) | |
a619fcb7 | 442 | { |
839d52a5 PP |
443 | struct bt_stream *writer_stream = NULL; |
444 | struct bt_stream_class *writer_stream_class = NULL; | |
8138bfe1 | 445 | struct bt_ctf_writer *ctf_writer = bt_object_get_ref(fs_writer->writer); |
a619fcb7 JD |
446 | |
447 | writer_stream_class = lookup_stream_class(writer_component, | |
448 | stream_class); | |
449 | if (!writer_stream_class) { | |
450 | writer_stream_class = insert_new_stream_class( | |
451 | writer_component, fs_writer, stream_class); | |
452 | if (!writer_stream_class) { | |
3d85ffe1 | 453 | BT_LOGE_STR("Failed to insert a new stream_class."); |
a619fcb7 JD |
454 | goto error; |
455 | } | |
456 | } | |
8138bfe1 | 457 | bt_object_get_ref(writer_stream_class); |
a619fcb7 | 458 | |
839d52a5 PP |
459 | writer_stream = bt_stream_create(writer_stream_class, |
460 | bt_stream_get_name(stream)); | |
8b45963b | 461 | BT_ASSERT(writer_stream); |
a619fcb7 JD |
462 | |
463 | g_hash_table_insert(fs_writer->stream_map, (gpointer) stream, | |
464 | writer_stream); | |
465 | ||
466 | goto end; | |
467 | ||
468 | error: | |
8138bfe1 | 469 | BT_OBJECT_PUT_REF_AND_RESET(writer_stream); |
a619fcb7 | 470 | end: |
8138bfe1 PP |
471 | bt_object_put_ref(ctf_writer); |
472 | bt_object_put_ref(writer_stream_class); | |
a619fcb7 JD |
473 | return writer_stream; |
474 | } | |
475 | ||
476 | static | |
839d52a5 PP |
477 | struct bt_event_class *get_event_class(struct writer_component *writer_component, |
478 | struct bt_stream_class *writer_stream_class, | |
479 | struct bt_event_class *event_class) | |
a619fcb7 | 480 | { |
839d52a5 PP |
481 | return bt_stream_class_get_event_class_by_id(writer_stream_class, |
482 | bt_event_class_get_id(event_class)); | |
a619fcb7 JD |
483 | } |
484 | ||
bc506aa5 | 485 | static |
839d52a5 | 486 | struct bt_stream *get_writer_stream( |
bc506aa5 | 487 | struct writer_component *writer_component, |
839d52a5 | 488 | struct bt_packet *packet, struct bt_stream *stream) |
bc506aa5 | 489 | { |
839d52a5 | 490 | struct bt_stream *writer_stream = NULL; |
bc506aa5 | 491 | |
f384901f JD |
492 | writer_stream = lookup_stream(writer_component, stream); |
493 | if (!writer_stream) { | |
3d85ffe1 | 494 | BT_LOGE_STR("Failed to find existing stream."); |
9ae49d3d | 495 | goto error; |
bc506aa5 | 496 | } |
8138bfe1 | 497 | bt_object_get_ref(writer_stream); |
9ae49d3d JD |
498 | |
499 | goto end; | |
bc506aa5 | 500 | |
9ae49d3d | 501 | error: |
8138bfe1 | 502 | BT_OBJECT_PUT_REF_AND_RESET(writer_stream); |
9ae49d3d | 503 | end: |
bc506aa5 JD |
504 | return writer_stream; |
505 | } | |
506 | ||
f3168545 | 507 | BT_HIDDEN |
a619fcb7 JD |
508 | void writer_close(struct writer_component *writer_component, |
509 | struct fs_writer *fs_writer) | |
f3168545 | 510 | { |
ec273a88 | 511 | if (fs_writer->static_listener_id >= 0) { |
839d52a5 | 512 | bt_trace_remove_is_static_listener(fs_writer->trace, |
f3168545 JD |
513 | fs_writer->static_listener_id); |
514 | } | |
a619fcb7 JD |
515 | |
516 | /* Empty the stream class HT. */ | |
517 | g_hash_table_foreach_remove(fs_writer->stream_class_map, | |
518 | empty_ht, NULL); | |
519 | g_hash_table_destroy(fs_writer->stream_class_map); | |
520 | ||
521 | /* Empty the stream HT. */ | |
522 | g_hash_table_foreach_remove(fs_writer->stream_map, | |
2e4636e1 | 523 | empty_streams_ht, NULL); |
a619fcb7 | 524 | g_hash_table_destroy(fs_writer->stream_map); |
cdcf612f JD |
525 | |
526 | /* Empty the stream state HT. */ | |
527 | g_hash_table_foreach_remove(fs_writer->stream_states, | |
528 | empty_ht, NULL); | |
529 | g_hash_table_destroy(fs_writer->stream_states); | |
f3168545 JD |
530 | } |
531 | ||
f384901f JD |
532 | BT_HIDDEN |
533 | enum bt_component_status writer_stream_begin( | |
534 | struct writer_component *writer_component, | |
839d52a5 | 535 | struct bt_stream *stream) |
f384901f | 536 | { |
839d52a5 | 537 | struct bt_stream_class *stream_class = NULL; |
f384901f | 538 | struct fs_writer *fs_writer; |
839d52a5 | 539 | struct bt_stream *writer_stream = NULL; |
f384901f | 540 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
cdcf612f | 541 | enum fs_writer_stream_state *state; |
f384901f | 542 | |
839d52a5 | 543 | stream_class = bt_stream_get_class(stream); |
8b45963b | 544 | BT_ASSERT(stream_class); |
f384901f JD |
545 | |
546 | fs_writer = get_fs_writer(writer_component, stream_class); | |
547 | if (!fs_writer) { | |
3d85ffe1 | 548 | BT_LOGE_STR("Failed to get fs_writer."); |
f384901f JD |
549 | goto error; |
550 | } | |
cdcf612f JD |
551 | |
552 | /* Set the stream as active */ | |
553 | state = g_hash_table_lookup(fs_writer->stream_states, stream); | |
2881e5b5 JD |
554 | if (!state) { |
555 | if (fs_writer->trace_static) { | |
3d85ffe1 | 556 | BT_LOGE_STR("Cannot add new stream on a static trace."); |
2881e5b5 JD |
557 | goto error; |
558 | } | |
559 | state = insert_new_stream_state(writer_component, fs_writer, | |
560 | stream); | |
561 | } | |
cdcf612f | 562 | if (*state != FS_WRITER_UNKNOWN_STREAM) { |
3d85ffe1 | 563 | BT_LOGE("Unexpected stream state: state=%d", *state); |
cdcf612f JD |
564 | goto error; |
565 | } | |
566 | *state = FS_WRITER_ACTIVE_STREAM; | |
567 | ||
a619fcb7 | 568 | writer_stream = insert_new_stream(writer_component, fs_writer, |
f384901f JD |
569 | stream_class, stream); |
570 | if (!writer_stream) { | |
3d85ffe1 | 571 | BT_LOGE_STR("Failed to insert new stream."); |
f384901f JD |
572 | goto error; |
573 | } | |
f384901f JD |
574 | |
575 | goto end; | |
576 | ||
577 | error: | |
578 | ret = BT_COMPONENT_STATUS_ERROR; | |
579 | end: | |
8138bfe1 | 580 | bt_object_put_ref(stream_class); |
f384901f JD |
581 | return ret; |
582 | } | |
583 | ||
f3168545 JD |
584 | BT_HIDDEN |
585 | enum bt_component_status writer_stream_end( | |
586 | struct writer_component *writer_component, | |
839d52a5 | 587 | struct bt_stream *stream) |
f3168545 | 588 | { |
839d52a5 | 589 | struct bt_stream_class *stream_class = NULL; |
f3168545 | 590 | struct fs_writer *fs_writer; |
839d52a5 | 591 | struct bt_trace *trace = NULL; |
f3168545 | 592 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
cdcf612f | 593 | enum fs_writer_stream_state *state; |
f3168545 | 594 | |
839d52a5 | 595 | stream_class = bt_stream_get_class(stream); |
8b45963b | 596 | BT_ASSERT(stream_class); |
f3168545 JD |
597 | |
598 | fs_writer = get_fs_writer(writer_component, stream_class); | |
599 | if (!fs_writer) { | |
3d85ffe1 | 600 | BT_LOGE_STR("Failed to get fs_writer."); |
f3168545 JD |
601 | goto error; |
602 | } | |
cdcf612f JD |
603 | |
604 | state = g_hash_table_lookup(fs_writer->stream_states, stream); | |
605 | if (*state != FS_WRITER_ACTIVE_STREAM) { | |
3d85ffe1 | 606 | BT_LOGE("Unexpected stream state: state=%d", *state); |
cdcf612f JD |
607 | goto error; |
608 | } | |
609 | *state = FS_WRITER_COMPLETED_STREAM; | |
610 | ||
a619fcb7 | 611 | g_hash_table_remove(fs_writer->stream_map, stream); |
f3168545 | 612 | |
cdcf612f JD |
613 | if (fs_writer->trace_static) { |
614 | int trace_completed = 1; | |
615 | ||
616 | g_hash_table_foreach(fs_writer->stream_states, | |
617 | check_completed_trace, &trace_completed); | |
618 | if (trace_completed) { | |
619 | writer_close(writer_component, fs_writer); | |
620 | g_hash_table_remove(writer_component->trace_map, | |
621 | fs_writer->trace); | |
622 | } | |
f3168545 JD |
623 | } |
624 | ||
625 | goto end; | |
626 | ||
627 | error: | |
628 | ret = BT_COMPONENT_STATUS_ERROR; | |
629 | end: | |
8138bfe1 PP |
630 | BT_OBJECT_PUT_REF_AND_RESET(trace); |
631 | BT_OBJECT_PUT_REF_AND_RESET(stream_class); | |
f3168545 JD |
632 | return ret; |
633 | } | |
634 | ||
bc506aa5 JD |
635 | BT_HIDDEN |
636 | enum bt_component_status writer_new_packet( | |
637 | struct writer_component *writer_component, | |
839d52a5 | 638 | struct bt_packet *packet) |
bc506aa5 | 639 | { |
839d52a5 | 640 | struct bt_stream *stream = NULL, *writer_stream = NULL; |
bc506aa5 | 641 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
b2f1f465 | 642 | int int_ret; |
bc506aa5 | 643 | |
839d52a5 | 644 | stream = bt_packet_get_stream(packet); |
8b45963b | 645 | BT_ASSERT(stream); |
bc506aa5 | 646 | |
bc506aa5 JD |
647 | writer_stream = get_writer_stream(writer_component, packet, stream); |
648 | if (!writer_stream) { | |
3d85ffe1 | 649 | BT_LOGE_STR("Failed to get writer_stream."); |
9ae49d3d | 650 | goto error; |
bc506aa5 | 651 | } |
8138bfe1 | 652 | BT_OBJECT_PUT_REF_AND_RESET(stream); |
bc506aa5 | 653 | |
674221e5 JD |
654 | int_ret = ctf_stream_copy_packet_context( |
655 | writer_component->err, packet, writer_stream); | |
656 | if (int_ret < 0) { | |
3d85ffe1 | 657 | BT_LOGE_STR("Failed to copy packet_context."); |
674221e5 | 658 | goto error; |
b2f1f465 | 659 | } |
c8cb4c2a JD |
660 | |
661 | ret = ctf_stream_copy_packet_header(writer_component->err, | |
662 | packet, writer_stream); | |
663 | if (ret != 0) { | |
3d85ffe1 | 664 | BT_LOGE_STR("Failed to copy packet_header."); |
c8cb4c2a JD |
665 | goto error; |
666 | } | |
b2f1f465 | 667 | |
9ae49d3d | 668 | goto end; |
bc506aa5 | 669 | |
9ae49d3d JD |
670 | error: |
671 | ret = BT_COMPONENT_STATUS_ERROR; | |
672 | end: | |
8138bfe1 PP |
673 | bt_object_put_ref(writer_stream); |
674 | bt_object_put_ref(stream); | |
bc506aa5 JD |
675 | return ret; |
676 | } | |
677 | ||
678 | BT_HIDDEN | |
679 | enum bt_component_status writer_close_packet( | |
680 | struct writer_component *writer_component, | |
839d52a5 | 681 | struct bt_packet *packet) |
bc506aa5 | 682 | { |
839d52a5 | 683 | struct bt_stream *stream = NULL, *writer_stream = NULL; |
bc506aa5 JD |
684 | enum bt_component_status ret; |
685 | ||
839d52a5 | 686 | stream = bt_packet_get_stream(packet); |
8b45963b | 687 | BT_ASSERT(stream); |
bc506aa5 JD |
688 | |
689 | writer_stream = lookup_stream(writer_component, stream); | |
690 | if (!writer_stream) { | |
3d85ffe1 | 691 | BT_LOGE_STR("Failed to find existing stream."); |
9ae49d3d | 692 | goto error; |
bc506aa5 | 693 | } |
8138bfe1 | 694 | BT_OBJECT_PUT_REF_AND_RESET(stream); |
bc506aa5 | 695 | |
8138bfe1 | 696 | bt_object_get_ref(writer_stream); |
bc506aa5 | 697 | |
839d52a5 | 698 | ret = bt_stream_flush(writer_stream); |
3d85ffe1 JD |
699 | if (ret) { |
700 | BT_LOGE_STR("Failed to flush stream."); | |
9ae49d3d | 701 | goto error; |
bc506aa5 | 702 | } |
3d85ffe1 | 703 | |
8138bfe1 | 704 | BT_OBJECT_PUT_REF_AND_RESET(writer_stream); |
bc506aa5 JD |
705 | |
706 | ret = BT_COMPONENT_STATUS_OK; | |
9ae49d3d | 707 | goto end; |
bc506aa5 | 708 | |
9ae49d3d JD |
709 | error: |
710 | ret = BT_COMPONENT_STATUS_ERROR; | |
711 | end: | |
8138bfe1 PP |
712 | bt_object_put_ref(writer_stream); |
713 | bt_object_put_ref(stream); | |
bc506aa5 JD |
714 | return ret; |
715 | } | |
716 | ||
bc506aa5 JD |
717 | BT_HIDDEN |
718 | enum bt_component_status writer_output_event( | |
719 | struct writer_component *writer_component, | |
839d52a5 | 720 | struct bt_event *event) |
bc506aa5 JD |
721 | { |
722 | enum bt_component_status ret; | |
839d52a5 PP |
723 | struct bt_event_class *event_class = NULL, *writer_event_class = NULL; |
724 | struct bt_stream *stream = NULL, *writer_stream = NULL; | |
725 | struct bt_stream_class *stream_class = NULL, *writer_stream_class = NULL; | |
726 | struct bt_event *writer_event = NULL; | |
bc506aa5 | 727 | int int_ret; |
59d1efc4 | 728 | struct bt_trace *writer_trace = NULL; |
bc506aa5 | 729 | |
839d52a5 | 730 | event_class = bt_event_get_class(event); |
8b45963b | 731 | BT_ASSERT(event_class); |
bc506aa5 | 732 | |
839d52a5 | 733 | stream = bt_event_get_stream(event); |
8b45963b | 734 | BT_ASSERT(stream); |
bc506aa5 JD |
735 | |
736 | writer_stream = lookup_stream(writer_component, stream); | |
8138bfe1 | 737 | if (!writer_stream || !bt_object_get_ref(writer_stream)) { |
3d85ffe1 | 738 | BT_LOGE_STR("Failed for find existing stream."); |
9ae49d3d | 739 | goto error; |
bc506aa5 JD |
740 | } |
741 | ||
839d52a5 | 742 | stream_class = bt_event_class_get_stream_class(event_class); |
8b45963b | 743 | BT_ASSERT(stream_class); |
bc506aa5 | 744 | |
a619fcb7 | 745 | writer_stream_class = lookup_stream_class(writer_component, stream_class); |
8138bfe1 | 746 | if (!writer_stream_class || !bt_object_get_ref(writer_stream_class)) { |
3d85ffe1 | 747 | BT_LOGE_STR("Failed to find existing stream_class."); |
9ae49d3d | 748 | goto error; |
bc506aa5 JD |
749 | } |
750 | ||
59d1efc4 | 751 | writer_trace = bt_stream_class_get_trace(writer_stream_class); |
8b45963b | 752 | BT_ASSERT(writer_trace); |
59d1efc4 | 753 | |
bc506aa5 JD |
754 | writer_event_class = get_event_class(writer_component, |
755 | writer_stream_class, event_class); | |
756 | if (!writer_event_class) { | |
af34e875 | 757 | writer_event_class = ctf_copy_event_class(writer_component->err, |
59d1efc4 | 758 | writer_trace, event_class); |
af34e875 | 759 | if (!writer_event_class) { |
3d85ffe1 | 760 | BT_LOGE_STR("Failed to copy event_class."); |
9ae49d3d | 761 | goto error; |
af34e875 | 762 | } |
839d52a5 | 763 | int_ret = bt_stream_class_add_event_class( |
af34e875 JD |
764 | writer_stream_class, writer_event_class); |
765 | if (int_ret) { | |
3d85ffe1 | 766 | BT_LOGE("Failed to add event_class: event_name=\"%s\"", |
839d52a5 | 767 | bt_event_class_get_name(event_class)); |
9ae49d3d | 768 | goto error; |
af34e875 | 769 | } |
bc506aa5 JD |
770 | } |
771 | ||
b2f1f465 JD |
772 | writer_event = ctf_copy_event(writer_component->err, event, |
773 | writer_event_class, true); | |
bc506aa5 | 774 | if (!writer_event) { |
3d85ffe1 | 775 | BT_LOGE("Failed to copy event: event_class=\"%s\"", |
839d52a5 | 776 | bt_event_class_get_name(writer_event_class)); |
9ae49d3d | 777 | goto error; |
bc506aa5 JD |
778 | } |
779 | ||
839d52a5 | 780 | int_ret = bt_stream_append_event(writer_stream, writer_event); |
bc506aa5 | 781 | if (int_ret < 0) { |
3d85ffe1 | 782 | BT_LOGE("Failed to append event: event_class=\"%s\"", |
839d52a5 | 783 | bt_event_class_get_name(writer_event_class)); |
9ae49d3d | 784 | goto error; |
bc506aa5 JD |
785 | } |
786 | ||
787 | ret = BT_COMPONENT_STATUS_OK; | |
9ae49d3d | 788 | goto end; |
bc506aa5 | 789 | |
9ae49d3d JD |
790 | error: |
791 | ret = BT_COMPONENT_STATUS_ERROR; | |
792 | end: | |
8138bfe1 PP |
793 | bt_object_put_ref(writer_trace); |
794 | bt_object_put_ref(writer_event); | |
795 | bt_object_put_ref(writer_event_class); | |
796 | bt_object_put_ref(writer_stream_class); | |
797 | bt_object_put_ref(stream_class); | |
798 | bt_object_put_ref(writer_stream); | |
799 | bt_object_put_ref(stream); | |
800 | bt_object_put_ref(event_class); | |
bc506aa5 JD |
801 | return ret; |
802 | } |