Commit | Line | Data |
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7a278c8e | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
7a278c8e | 3 | * |
1a9f7075 | 4 | * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com> |
f3bc2010 | 5 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7a278c8e | 6 | * |
0235b0db | 7 | * Babeltrace CTF file system Reader Component |
7a278c8e JG |
8 | */ |
9 | ||
c802cacb SM |
10 | #include <glib.h> |
11 | #include <inttypes.h> | |
c802cacb SM |
12 | |
13 | #include <babeltrace2/babeltrace.h> | |
14 | ||
c802cacb | 15 | #include "common/assert.h" |
578e048b | 16 | #include "common/common.h" |
6162e6b7 | 17 | #include "common/uuid.h" |
c802cacb SM |
18 | |
19 | #include "plugins/common/param-validation/param-validation.h" | |
20 | ||
5656cea5 PP |
21 | #include "../common/src/metadata/tsdl/ctf-meta-configure-ir-trace.hpp" |
22 | #include "../common/src/msg-iter/msg-iter.hpp" | |
c802cacb SM |
23 | #include "data-stream-file.hpp" |
24 | #include "file.hpp" | |
25 | #include "fs.hpp" | |
26 | #include "metadata.hpp" | |
087cd0f5 | 27 | #include "query.hpp" |
e7a4393b | 28 | |
4164020e SM |
29 | struct tracer_info |
30 | { | |
31 | const char *name; | |
32 | int64_t major; | |
33 | int64_t minor; | |
34 | int64_t patch; | |
626cc488 FD |
35 | }; |
36 | ||
4164020e | 37 | static void ctf_fs_msg_iter_data_destroy(struct ctf_fs_msg_iter_data *msg_iter_data) |
94cf822e | 38 | { |
4164020e SM |
39 | if (!msg_iter_data) { |
40 | return; | |
41 | } | |
94cf822e | 42 | |
4164020e SM |
43 | if (msg_iter_data->msg_iter) { |
44 | ctf_msg_iter_destroy(msg_iter_data->msg_iter); | |
45 | } | |
6de92955 | 46 | |
4164020e SM |
47 | if (msg_iter_data->msg_iter_medops_data) { |
48 | ctf_fs_ds_group_medops_data_destroy(msg_iter_data->msg_iter_medops_data); | |
49 | } | |
94cf822e | 50 | |
afb0f12b | 51 | delete msg_iter_data; |
fc917f65 PP |
52 | } |
53 | ||
4164020e SM |
54 | static bt_message_iterator_class_next_method_status |
55 | ctf_fs_iterator_next_one(struct ctf_fs_msg_iter_data *msg_iter_data, const bt_message **out_msg) | |
ea0b4b9e | 56 | { |
4164020e SM |
57 | bt_message_iterator_class_next_method_status status; |
58 | enum ctf_msg_iter_status msg_iter_status; | |
4164020e SM |
59 | |
60 | msg_iter_status = ctf_msg_iter_get_next_message(msg_iter_data->msg_iter, out_msg); | |
61 | ||
62 | switch (msg_iter_status) { | |
63 | case CTF_MSG_ITER_STATUS_OK: | |
64 | /* Cool, message has been written to *out_msg. */ | |
65 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
66 | break; | |
67 | ||
68 | case CTF_MSG_ITER_STATUS_EOF: | |
69 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; | |
70 | break; | |
71 | ||
72 | case CTF_MSG_ITER_STATUS_AGAIN: | |
73 | /* | |
74 | * Should not make it this far as this is | |
75 | * medium-specific; there is nothing for the user to do | |
76 | * and it should have been handled upstream. | |
77 | */ | |
78 | bt_common_abort(); | |
79 | ||
80 | case CTF_MSG_ITER_STATUS_ERROR: | |
0f5c5d5c SM |
81 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
82 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
83 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
84 | break; | |
85 | ||
86 | case CTF_MSG_ITER_STATUS_MEMORY_ERROR: | |
0f5c5d5c SM |
87 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
88 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
89 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
90 | break; | |
91 | ||
92 | default: | |
93 | bt_common_abort(); | |
94 | } | |
95 | ||
96 | return status; | |
d4393e08 PP |
97 | } |
98 | ||
4164020e SM |
99 | bt_message_iterator_class_next_method_status |
100 | ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs, | |
101 | uint64_t capacity, uint64_t *count) | |
d4393e08 | 102 | { |
1e690349 SM |
103 | try { |
104 | bt_message_iterator_class_next_method_status status; | |
105 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
106 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator); | |
107 | uint64_t i = 0; | |
4164020e | 108 | |
1e690349 SM |
109 | if (G_UNLIKELY(msg_iter_data->next_saved_error)) { |
110 | /* | |
4164020e SM |
111 | * Last time we were called, we hit an error but had some |
112 | * messages to deliver, so we stashed the error here. Return | |
113 | * it now. | |
114 | */ | |
1e690349 SM |
115 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error); |
116 | status = msg_iter_data->next_saved_status; | |
117 | goto end; | |
4164020e | 118 | } |
4164020e | 119 | |
1e690349 SM |
120 | do { |
121 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
122 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { | |
123 | i++; | |
124 | } | |
125 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); | |
126 | ||
127 | if (i > 0) { | |
128 | /* | |
4164020e SM |
129 | * Even if ctf_fs_iterator_next_one() returned something |
130 | * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we | |
131 | * accumulated message objects in the output | |
132 | * message array, so we need to return | |
133 | * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are | |
e7401568 | 134 | * transferred to downstream. This other status occurs |
4164020e SM |
135 | * again the next time muxer_msg_iter_do_next() is |
136 | * called, possibly without any accumulated | |
137 | * message, in which case we'll return it. | |
138 | */ | |
1e690349 SM |
139 | if (status < 0) { |
140 | /* | |
4164020e SM |
141 | * Save this error for the next _next call. Assume that |
142 | * this component always appends error causes when | |
143 | * returning an error status code, which will cause the | |
144 | * current thread error to be non-NULL. | |
145 | */ | |
1e690349 SM |
146 | msg_iter_data->next_saved_error = bt_current_thread_take_error(); |
147 | BT_ASSERT(msg_iter_data->next_saved_error); | |
148 | msg_iter_data->next_saved_status = status; | |
149 | } | |
4164020e | 150 | |
1e690349 SM |
151 | *count = i; |
152 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
153 | } | |
d4393e08 | 154 | |
cbca1c06 | 155 | end: |
1e690349 SM |
156 | return status; |
157 | return status; | |
158 | } catch (const std::bad_alloc&) { | |
159 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; | |
160 | } catch (const bt2::Error&) { | |
161 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; | |
162 | } | |
ea0b4b9e | 163 | } |
bfd20a42 | 164 | |
a3f0c7db | 165 | bt_message_iterator_class_seek_beginning_method_status |
d24d5663 | 166 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) |
6a9bb5e9 | 167 | { |
1e690349 SM |
168 | try { |
169 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
170 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it); | |
6a9bb5e9 | 171 | |
1e690349 | 172 | BT_ASSERT(msg_iter_data); |
6a9bb5e9 | 173 | |
1e690349 SM |
174 | ctf_msg_iter_reset(msg_iter_data->msg_iter); |
175 | ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data); | |
f6e68e70 | 176 | |
1e690349 SM |
177 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
178 | } catch (const std::bad_alloc&) { | |
179 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_MEMORY_ERROR; | |
180 | } catch (const bt2::Error&) { | |
181 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_ERROR; | |
182 | } | |
6a9bb5e9 PP |
183 | } |
184 | ||
d6e69534 | 185 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 186 | { |
4164020e SM |
187 | ctf_fs_msg_iter_data_destroy( |
188 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it)); | |
760051fa JG |
189 | } |
190 | ||
4164020e SM |
191 | static bt_message_iterator_class_initialize_method_status |
192 | ctf_msg_iter_medium_status_to_msg_iter_initialize_status(enum ctf_msg_iter_medium_status status) | |
1b7b1ef9 | 193 | { |
4164020e SM |
194 | switch (status) { |
195 | case CTF_MSG_ITER_MEDIUM_STATUS_EOF: | |
196 | case CTF_MSG_ITER_MEDIUM_STATUS_AGAIN: | |
197 | case CTF_MSG_ITER_MEDIUM_STATUS_ERROR: | |
198 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
199 | case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR: | |
200 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
201 | case CTF_MSG_ITER_MEDIUM_STATUS_OK: | |
202 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
203 | } | |
204 | ||
205 | bt_common_abort(); | |
1b7b1ef9 SM |
206 | } |
207 | ||
4164020e SM |
208 | bt_message_iterator_class_initialize_method_status |
209 | ctf_fs_iterator_init(bt_self_message_iterator *self_msg_iter, | |
210 | bt_self_message_iterator_configuration *config, | |
211 | bt_self_component_port_output *self_port) | |
4c1456f0 | 212 | { |
1e690349 SM |
213 | try { |
214 | struct ctf_fs_port_data *port_data; | |
215 | bt_message_iterator_class_initialize_method_status status; | |
216 | enum ctf_msg_iter_medium_status medium_status; | |
217 | ||
218 | port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data( | |
219 | bt_self_component_port_output_as_self_component_port(self_port)); | |
220 | BT_ASSERT(port_data); | |
221 | ||
222 | ctf_fs_msg_iter_data *msg_iter_data = new ctf_fs_msg_iter_data {self_msg_iter}; | |
223 | msg_iter_data->ds_file_group = port_data->ds_file_group; | |
224 | ||
225 | medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, | |
226 | self_msg_iter, msg_iter_data->logger, | |
227 | &msg_iter_data->msg_iter_medops_data); | |
228 | BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK || | |
229 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR || | |
230 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR); | |
231 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
232 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
233 | "Failed to create ctf_fs_ds_group_medops"); | |
234 | status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status); | |
235 | goto error; | |
236 | } | |
4164020e | 237 | |
1e690349 SM |
238 | msg_iter_data->msg_iter = ctf_msg_iter_create( |
239 | msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc, | |
240 | bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8, | |
241 | ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data, self_msg_iter, | |
242 | msg_iter_data->logger); | |
243 | if (!msg_iter_data->msg_iter) { | |
244 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
245 | "Cannot create a CTF message iterator."); | |
246 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
247 | goto error; | |
248 | } | |
4164020e | 249 | |
1e690349 | 250 | /* |
4164020e SM |
251 | * This iterator can seek forward if its stream class has a default |
252 | * clock class. | |
253 | */ | |
1e690349 SM |
254 | if (msg_iter_data->ds_file_group->sc->default_clock_class) { |
255 | bt_self_message_iterator_configuration_set_can_seek_forward(config, true); | |
256 | } | |
4164020e | 257 | |
1e690349 SM |
258 | bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data); |
259 | msg_iter_data = NULL; | |
4164020e | 260 | |
1e690349 SM |
261 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
262 | goto end; | |
5b29e799 | 263 | |
4f1f88a6 | 264 | error: |
1e690349 | 265 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 266 | |
760051fa | 267 | end: |
1e690349 SM |
268 | ctf_fs_msg_iter_data_destroy(msg_iter_data); |
269 | return status; | |
270 | } catch (const std::bad_alloc&) { | |
271 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
272 | } catch (const bt2::Error&) { | |
273 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
274 | } | |
760051fa JG |
275 | } |
276 | ||
4164020e | 277 | static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
a0cd55ad | 278 | { |
4164020e SM |
279 | if (!ctf_fs_trace) { |
280 | return; | |
281 | } | |
a0cd55ad | 282 | |
4164020e SM |
283 | if (ctf_fs_trace->ds_file_groups) { |
284 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
285 | } | |
a0cd55ad | 286 | |
4164020e | 287 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
a0cd55ad | 288 | |
4164020e SM |
289 | if (ctf_fs_trace->path) { |
290 | g_string_free(ctf_fs_trace->path, TRUE); | |
291 | } | |
a0cd55ad | 292 | |
4164020e SM |
293 | if (ctf_fs_trace->metadata) { |
294 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
afb0f12b | 295 | delete ctf_fs_trace->metadata; |
4164020e | 296 | } |
a0cd55ad | 297 | |
afb0f12b | 298 | delete ctf_fs_trace; |
a0cd55ad SM |
299 | } |
300 | ||
1a9f7075 | 301 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 302 | { |
4164020e SM |
303 | if (!ctf_fs) { |
304 | return; | |
305 | } | |
4f1f88a6 | 306 | |
4164020e | 307 | ctf_fs_trace_destroy(ctf_fs->trace); |
4f1f88a6 | 308 | |
4164020e SM |
309 | if (ctf_fs->port_data) { |
310 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
311 | } | |
760051fa | 312 | |
afb0f12b | 313 | delete ctf_fs; |
1a9f7075 PP |
314 | } |
315 | ||
f340a3e8 SM |
316 | void ctf_fs_component_deleter::operator()(ctf_fs_component *comp) |
317 | { | |
318 | ctf_fs_destroy(comp); | |
319 | } | |
320 | ||
4164020e | 321 | static void port_data_destroy(struct ctf_fs_port_data *port_data) |
f280892e | 322 | { |
4164020e SM |
323 | if (!port_data) { |
324 | return; | |
325 | } | |
f280892e | 326 | |
afb0f12b | 327 | delete port_data; |
f280892e SM |
328 | } |
329 | ||
4164020e SM |
330 | static void port_data_destroy_notifier(void *data) |
331 | { | |
332 | port_data_destroy((struct ctf_fs_port_data *) data); | |
f280892e SM |
333 | } |
334 | ||
4164020e | 335 | static void ctf_fs_trace_destroy_notifier(void *data) |
97ade20b | 336 | { |
4164020e SM |
337 | struct ctf_fs_trace *trace = (struct ctf_fs_trace *) data; |
338 | ctf_fs_trace_destroy(trace); | |
97ade20b JG |
339 | } |
340 | ||
f340a3e8 | 341 | ctf_fs_component::UP ctf_fs_component_create(const bt2c::Logger& parentLogger) |
a4792757 | 342 | { |
f340a3e8 SM |
343 | ctf_fs_component::UP ctf_fs {new ctf_fs_component {parentLogger}}; |
344 | ||
4164020e SM |
345 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy_notifier); |
346 | if (!ctf_fs->port_data) { | |
347 | goto error; | |
348 | } | |
4f1f88a6 | 349 | |
4164020e | 350 | goto end; |
f280892e SM |
351 | |
352 | error: | |
f340a3e8 | 353 | ctf_fs.reset(); |
f280892e SM |
354 | |
355 | end: | |
4164020e | 356 | return ctf_fs; |
f280892e SM |
357 | } |
358 | ||
359 | void ctf_fs_finalize(bt_self_component_source *component) | |
360 | { | |
4164020e SM |
361 | ctf_fs_destroy((struct ctf_fs_component *) bt_self_component_get_data( |
362 | bt_self_component_source_as_self_component(component))); | |
5b29e799 JG |
363 | } |
364 | ||
49b956cc | 365 | bt2c::GCharUP ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 366 | { |
4164020e SM |
367 | GString *name = g_string_new(NULL); |
368 | ||
369 | /* | |
370 | * The unique port name is generated by concatenating unique identifiers | |
371 | * for: | |
372 | * | |
373 | * - the trace | |
374 | * - the stream class | |
375 | * - the stream | |
376 | */ | |
377 | ||
378 | /* For the trace, use the uuid if present, else the path. */ | |
379 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
380 | char uuid_str[BT_UUID_STR_LEN + 1]; | |
381 | ||
382 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
383 | g_string_assign(name, uuid_str); | |
384 | } else { | |
385 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
386 | } | |
387 | ||
388 | /* | |
389 | * For the stream class, use the id if present. We can omit this field | |
390 | * otherwise, as there will only be a single stream class. | |
391 | */ | |
392 | if (ds_file_group->sc->id != UINT64_C(-1)) { | |
393 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
394 | } | |
395 | ||
396 | /* For the stream, use the id if present, else, use the path. */ | |
397 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
398 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
399 | } else { | |
400 | BT_ASSERT(ds_file_group->ds_file_infos->len == 1); | |
401 | struct ctf_fs_ds_file_info *ds_file_info = | |
402 | (struct ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
403 | g_string_append_printf(name, " | %s", ds_file_info->path->str); | |
404 | } | |
405 | ||
49b956cc | 406 | return bt2c::GCharUP {g_string_free(name, FALSE)}; |
547eacf1 PP |
407 | } |
408 | ||
ce11b8c4 | 409 | static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
4164020e SM |
410 | struct ctf_fs_ds_file_group *ds_file_group, |
411 | bt_self_component_source *self_comp_src) | |
5b29e799 | 412 | { |
4164020e SM |
413 | int ret = 0; |
414 | struct ctf_fs_port_data *port_data = NULL; | |
4164020e | 415 | |
49b956cc | 416 | bt2c::GCharUP port_name = ctf_fs_make_port_name(ds_file_group); |
4164020e SM |
417 | if (!port_name) { |
418 | goto error; | |
419 | } | |
420 | ||
49b956cc | 421 | BT_CPPLOGI_SPEC(ctf_fs->logger, "Creating one port named `{}`", port_name.get()); |
4164020e SM |
422 | |
423 | /* Create output port for this file */ | |
afb0f12b | 424 | port_data = new ctf_fs_port_data; |
4164020e SM |
425 | port_data->ctf_fs = ctf_fs; |
426 | port_data->ds_file_group = ds_file_group; | |
49b956cc | 427 | ret = bt_self_component_source_add_output_port(self_comp_src, port_name.get(), port_data, NULL); |
4164020e SM |
428 | if (ret) { |
429 | goto error; | |
430 | } | |
431 | ||
432 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
433 | port_data = NULL; | |
434 | goto end; | |
4f1f88a6 PP |
435 | |
436 | error: | |
4164020e | 437 | ret = -1; |
4f1f88a6 PP |
438 | |
439 | end: | |
4164020e SM |
440 | port_data_destroy(port_data); |
441 | return ret; | |
5b29e799 JG |
442 | } |
443 | ||
4164020e SM |
444 | static int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
445 | struct ctf_fs_trace *ctf_fs_trace, | |
446 | bt_self_component_source *self_comp_src) | |
94cf822e | 447 | { |
4164020e SM |
448 | int ret = 0; |
449 | size_t i; | |
4164020e SM |
450 | |
451 | /* Create one output port for each stream file group */ | |
452 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
453 | struct ctf_fs_ds_file_group *ds_file_group = | |
454 | (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
455 | ||
ce11b8c4 | 456 | ret = create_one_port_for_trace(ctf_fs, ds_file_group, self_comp_src); |
4164020e | 457 | if (ret) { |
0f5c5d5c | 458 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create output port."); |
4164020e SM |
459 | goto end; |
460 | } | |
461 | } | |
94cf822e PP |
462 | |
463 | end: | |
4164020e | 464 | return ret; |
94cf822e PP |
465 | } |
466 | ||
4164020e | 467 | static void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) |
94cf822e | 468 | { |
4164020e SM |
469 | if (!ds_file_info) { |
470 | return; | |
471 | } | |
94cf822e | 472 | |
4164020e SM |
473 | if (ds_file_info->path) { |
474 | g_string_free(ds_file_info->path, TRUE); | |
475 | } | |
94cf822e | 476 | |
afb0f12b | 477 | delete ds_file_info; |
94cf822e PP |
478 | } |
479 | ||
4164020e | 480 | static struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, int64_t begin_ns) |
94cf822e | 481 | { |
afb0f12b | 482 | ctf_fs_ds_file_info *ds_file_info = new ctf_fs_ds_file_info; |
4164020e SM |
483 | ds_file_info->path = g_string_new(path); |
484 | if (!ds_file_info->path) { | |
485 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
486 | ds_file_info = NULL; | |
487 | goto end; | |
488 | } | |
94cf822e | 489 | |
4164020e | 490 | ds_file_info->begin_ns = begin_ns; |
94cf822e PP |
491 | |
492 | end: | |
4164020e | 493 | return ds_file_info; |
94cf822e PP |
494 | } |
495 | ||
4164020e | 496 | static void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) |
94cf822e | 497 | { |
4164020e SM |
498 | if (!ds_file_group) { |
499 | return; | |
500 | } | |
94cf822e | 501 | |
4164020e SM |
502 | if (ds_file_group->ds_file_infos) { |
503 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
504 | } | |
94cf822e | 505 | |
4164020e | 506 | ctf_fs_ds_index_destroy(ds_file_group->index); |
7ed5243a | 507 | |
4164020e | 508 | bt_stream_put_ref(ds_file_group->stream); |
afb0f12b | 509 | delete ds_file_group; |
94cf822e PP |
510 | } |
511 | ||
4164020e SM |
512 | static struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create(struct ctf_fs_trace *ctf_fs_trace, |
513 | struct ctf_stream_class *sc, | |
514 | uint64_t stream_instance_id, | |
515 | struct ctf_fs_ds_index *index) | |
94cf822e | 516 | { |
afb0f12b | 517 | ctf_fs_ds_file_group *ds_file_group = new ctf_fs_ds_file_group; |
4164020e SM |
518 | ds_file_group->ds_file_infos = |
519 | g_ptr_array_new_with_free_func((GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
520 | if (!ds_file_group->ds_file_infos) { | |
521 | goto error; | |
522 | } | |
94cf822e | 523 | |
4164020e | 524 | ds_file_group->index = index; |
7ed5243a | 525 | |
4164020e SM |
526 | ds_file_group->stream_id = stream_instance_id; |
527 | BT_ASSERT(sc); | |
528 | ds_file_group->sc = sc; | |
529 | ds_file_group->ctf_fs_trace = ctf_fs_trace; | |
530 | goto end; | |
94cf822e PP |
531 | |
532 | error: | |
4164020e SM |
533 | ctf_fs_ds_file_group_destroy(ds_file_group); |
534 | ctf_fs_ds_index_destroy(index); | |
535 | ds_file_group = NULL; | |
94cf822e PP |
536 | |
537 | end: | |
4164020e | 538 | return ds_file_group; |
94cf822e PP |
539 | } |
540 | ||
8bf7105e | 541 | /* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */ |
4164020e | 542 | static void array_insert(GPtrArray *array, gpointer element, size_t pos) |
8bf7105e | 543 | { |
4164020e | 544 | size_t original_array_len = array->len; |
8bf7105e | 545 | |
4164020e SM |
546 | /* Allocate an unused element at the end of the array. */ |
547 | g_ptr_array_add(array, NULL); | |
8bf7105e | 548 | |
4164020e SM |
549 | /* If we are not inserting at the end, move the elements by one. */ |
550 | if (pos < original_array_len) { | |
551 | memmove(&(array->pdata[pos + 1]), &(array->pdata[pos]), | |
552 | (original_array_len - pos) * sizeof(gpointer)); | |
553 | } | |
8bf7105e | 554 | |
4164020e SM |
555 | /* Insert the value. */ |
556 | array->pdata[pos] = element; | |
8bf7105e MJ |
557 | } |
558 | ||
41a65f30 SM |
559 | /* |
560 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
561 | * place to keep it sorted. | |
562 | */ | |
563 | ||
4164020e SM |
564 | static void ds_file_group_insert_ds_file_info_sorted(struct ctf_fs_ds_file_group *ds_file_group, |
565 | struct ctf_fs_ds_file_info *ds_file_info) | |
41a65f30 | 566 | { |
4164020e | 567 | guint i; |
41a65f30 | 568 | |
4164020e SM |
569 | /* Find the spot where to insert this ds_file_info. */ |
570 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
571 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
572 | (struct ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
41a65f30 | 573 | |
4164020e SM |
574 | if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) { |
575 | break; | |
576 | } | |
577 | } | |
41a65f30 | 578 | |
4164020e | 579 | array_insert(ds_file_group->ds_file_infos, ds_file_info, i); |
41a65f30 SM |
580 | } |
581 | ||
4164020e SM |
582 | static bool ds_index_entries_equal(const struct ctf_fs_ds_index_entry *left, |
583 | const struct ctf_fs_ds_index_entry *right) | |
1505f33a | 584 | { |
4164020e SM |
585 | if (left->packet_size != right->packet_size) { |
586 | return false; | |
587 | } | |
1505f33a | 588 | |
4164020e SM |
589 | if (left->timestamp_begin != right->timestamp_begin) { |
590 | return false; | |
591 | } | |
1505f33a | 592 | |
4164020e SM |
593 | if (left->timestamp_end != right->timestamp_end) { |
594 | return false; | |
595 | } | |
1505f33a | 596 | |
4164020e SM |
597 | if (left->packet_seq_num != right->packet_seq_num) { |
598 | return false; | |
599 | } | |
1505f33a | 600 | |
4164020e | 601 | return true; |
1505f33a SM |
602 | } |
603 | ||
604 | /* | |
605 | * Insert `entry` into `index`, without duplication. | |
606 | * | |
607 | * The entry is inserted only if there isn't an identical entry already. | |
608 | * | |
609 | * In any case, the ownership of `entry` is transferred to this function. So if | |
610 | * the entry is not inserted, it is freed. | |
611 | */ | |
612 | ||
4164020e SM |
613 | static void ds_index_insert_ds_index_entry_sorted(struct ctf_fs_ds_index *index, |
614 | struct ctf_fs_ds_index_entry *entry) | |
7ed5243a | 615 | { |
4164020e SM |
616 | guint i; |
617 | struct ctf_fs_ds_index_entry *other_entry = NULL; | |
618 | ||
619 | /* Find the spot where to insert this index entry. */ | |
620 | for (i = 0; i < index->entries->len; i++) { | |
621 | other_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, i); | |
622 | ||
623 | if (entry->timestamp_begin_ns <= other_entry->timestamp_begin_ns) { | |
624 | break; | |
625 | } | |
626 | } | |
627 | ||
628 | /* | |
629 | * Insert the entry only if a duplicate doesn't already exist. | |
630 | * | |
631 | * There can be duplicate packets if reading multiple overlapping | |
632 | * snapshots of the same trace. We then want the index to contain | |
633 | * a reference to only one copy of that packet. | |
634 | */ | |
635 | if (i == index->entries->len || !ds_index_entries_equal(entry, other_entry)) { | |
636 | array_insert(index->entries, entry, i); | |
637 | } else { | |
afb0f12b | 638 | delete entry; |
4164020e | 639 | } |
ce75de14 SM |
640 | } |
641 | ||
4164020e | 642 | static void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, struct ctf_fs_ds_index *src) |
ce75de14 | 643 | { |
4164020e | 644 | guint i; |
ce75de14 | 645 | |
4164020e SM |
646 | for (i = 0; i < src->entries->len; i++) { |
647 | struct ctf_fs_ds_index_entry *entry = | |
648 | (struct ctf_fs_ds_index_entry *) g_ptr_array_index(src->entries, i); | |
ce75de14 | 649 | |
4164020e | 650 | /* |
ce75de14 | 651 | * Ownership of the ctf_fs_ds_index_entry is transferred to |
1505f33a | 652 | * ds_index_insert_ds_index_entry_sorted. |
ce75de14 | 653 | */ |
4164020e SM |
654 | g_ptr_array_index(src->entries, i) = NULL; |
655 | ds_index_insert_ds_index_entry_sorted(dest, entry); | |
656 | } | |
7ed5243a FD |
657 | } |
658 | ||
4164020e | 659 | static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const char *path) |
94cf822e | 660 | { |
4164020e SM |
661 | int64_t stream_instance_id = -1; |
662 | int64_t begin_ns = -1; | |
663 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
664 | bool add_group = false; | |
665 | int ret; | |
666 | size_t i; | |
667 | struct ctf_fs_ds_file *ds_file = NULL; | |
668 | struct ctf_fs_ds_file_info *ds_file_info = NULL; | |
669 | struct ctf_fs_ds_index *index = NULL; | |
670 | struct ctf_msg_iter *msg_iter = NULL; | |
671 | struct ctf_stream_class *sc = NULL; | |
672 | struct ctf_msg_iter_packet_properties props; | |
4164020e SM |
673 | |
674 | /* | |
675 | * Create a temporary ds_file to read some properties about the data | |
676 | * stream file. | |
677 | */ | |
0f5c5d5c | 678 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, path, ctf_fs_trace->logger); |
4164020e SM |
679 | if (!ds_file) { |
680 | goto error; | |
681 | } | |
682 | ||
683 | /* Create a temporary iterator to read the ds_file. */ | |
0f5c5d5c SM |
684 | msg_iter = ctf_msg_iter_create( |
685 | ctf_fs_trace->metadata->tc, | |
686 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
687 | ctf_fs_ds_file_medops, ds_file, nullptr, ctf_fs_trace->logger); | |
4164020e | 688 | if (!msg_iter) { |
0f5c5d5c | 689 | BT_CPPLOGE_STR_SPEC(ctf_fs_trace->logger, "Cannot create a CTF message iterator."); |
4164020e SM |
690 | goto error; |
691 | } | |
692 | ||
693 | ctf_msg_iter_set_dry_run(msg_iter, true); | |
694 | ||
695 | ret = ctf_msg_iter_get_packet_properties(msg_iter, &props); | |
696 | if (ret) { | |
0f5c5d5c SM |
697 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
698 | ctf_fs_trace->logger, | |
699 | "Cannot get stream file's first packet's header and context fields (`{}`).", path); | |
4164020e SM |
700 | goto error; |
701 | } | |
702 | ||
703 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id); | |
704 | BT_ASSERT(sc); | |
705 | stream_instance_id = props.data_stream_id; | |
706 | ||
707 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
708 | BT_ASSERT(sc->default_clock_class); | |
709 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
710 | props.snapshots.beginning_clock, sc->default_clock_class->frequency, | |
711 | sc->default_clock_class->offset_seconds, sc->default_clock_class->offset_cycles, | |
712 | &begin_ns); | |
713 | if (ret) { | |
0f5c5d5c SM |
714 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
715 | ctf_fs_trace->logger, | |
716 | "Cannot convert clock cycles to nanoseconds from origin (`{}`).", path); | |
4164020e SM |
717 | goto error; |
718 | } | |
719 | } | |
720 | ||
721 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); | |
722 | if (!ds_file_info) { | |
723 | goto error; | |
724 | } | |
725 | ||
726 | index = ctf_fs_ds_file_build_index(ds_file, ds_file_info, msg_iter); | |
727 | if (!index) { | |
0f5c5d5c SM |
728 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to index CTF stream file \'{}\'", |
729 | ds_file->file->path->str); | |
4164020e SM |
730 | goto error; |
731 | } | |
732 | ||
733 | if (begin_ns == -1) { | |
734 | /* | |
735 | * No beginning timestamp to sort the stream files | |
736 | * within a stream file group, so consider that this | |
737 | * file must be the only one within its group. | |
738 | */ | |
739 | stream_instance_id = -1; | |
740 | } | |
741 | ||
742 | if (stream_instance_id == -1) { | |
743 | /* | |
744 | * No stream instance ID or no beginning timestamp: | |
745 | * create a unique stream file group for this stream | |
746 | * file because, even if there's a stream instance ID, | |
747 | * there's no timestamp to order the file within its | |
748 | * group. | |
749 | */ | |
750 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), index); | |
751 | /* Ownership of index is transferred. */ | |
752 | index = NULL; | |
753 | ||
754 | if (!ds_file_group) { | |
755 | goto error; | |
756 | } | |
757 | ||
758 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, BT_MOVE_REF(ds_file_info)); | |
759 | ||
760 | add_group = true; | |
761 | goto end; | |
762 | } | |
763 | ||
764 | BT_ASSERT(stream_instance_id != -1); | |
765 | BT_ASSERT(begin_ns != -1); | |
766 | ||
767 | /* Find an existing stream file group with this ID */ | |
768 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
769 | ds_file_group = | |
770 | (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
771 | ||
772 | if (ds_file_group->sc == sc && ds_file_group->stream_id == stream_instance_id) { | |
773 | break; | |
774 | } | |
775 | ||
776 | ds_file_group = NULL; | |
777 | } | |
778 | ||
779 | if (!ds_file_group) { | |
780 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, index); | |
781 | /* Ownership of index is transferred. */ | |
782 | index = NULL; | |
783 | if (!ds_file_group) { | |
784 | goto error; | |
785 | } | |
786 | ||
787 | add_group = true; | |
788 | } else { | |
789 | merge_ctf_fs_ds_indexes(ds_file_group->index, index); | |
790 | } | |
791 | ||
792 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, BT_MOVE_REF(ds_file_info)); | |
793 | ||
794 | goto end; | |
94cf822e PP |
795 | |
796 | error: | |
4164020e SM |
797 | ctf_fs_ds_file_group_destroy(ds_file_group); |
798 | ds_file_group = NULL; | |
799 | ret = -1; | |
94cf822e PP |
800 | |
801 | end: | |
4164020e SM |
802 | if (add_group && ds_file_group) { |
803 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
804 | } | |
547eacf1 | 805 | |
4164020e SM |
806 | ctf_fs_ds_file_destroy(ds_file); |
807 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
6de92955 | 808 | |
4164020e SM |
809 | if (msg_iter) { |
810 | ctf_msg_iter_destroy(msg_iter); | |
811 | } | |
6de92955 | 812 | |
4164020e SM |
813 | ctf_fs_ds_index_destroy(index); |
814 | return ret; | |
94cf822e PP |
815 | } |
816 | ||
4164020e | 817 | static int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b | 818 | { |
4164020e SM |
819 | int ret = 0; |
820 | const char *basename; | |
821 | GError *error = NULL; | |
822 | GDir *dir = NULL; | |
4164020e SM |
823 | |
824 | /* Check each file in the path directory, except specific ones */ | |
825 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); | |
826 | if (!dir) { | |
0f5c5d5c SM |
827 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
828 | "Cannot open directory `{}`: {} (code {})", | |
829 | ctf_fs_trace->path->str, error->message, error->code); | |
4164020e SM |
830 | goto error; |
831 | } | |
832 | ||
833 | while ((basename = g_dir_read_name(dir))) { | |
834 | struct ctf_fs_file *file; | |
835 | ||
836 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { | |
837 | /* Ignore the metadata stream. */ | |
0f5c5d5c SM |
838 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
839 | "Ignoring metadata file `{}" G_DIR_SEPARATOR_S "{}`", | |
840 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
841 | continue; |
842 | } | |
843 | ||
844 | if (basename[0] == '.') { | |
0f5c5d5c SM |
845 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
846 | "Ignoring hidden file `{}" G_DIR_SEPARATOR_S "{}`", | |
847 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
848 | continue; |
849 | } | |
850 | ||
851 | /* Create the file. */ | |
0f5c5d5c | 852 | file = ctf_fs_file_create(ctf_fs_trace->logger); |
4164020e | 853 | if (!file) { |
0f5c5d5c SM |
854 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
855 | ctf_fs_trace->logger, | |
856 | "Cannot create stream file object for file `{}" G_DIR_SEPARATOR_S "{}`", | |
4164020e SM |
857 | ctf_fs_trace->path->str, basename); |
858 | goto error; | |
859 | } | |
860 | ||
861 | /* Create full path string. */ | |
862 | g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", ctf_fs_trace->path->str, | |
863 | basename); | |
864 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { | |
0f5c5d5c SM |
865 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring non-regular file `{}`", |
866 | file->path->str); | |
4164020e SM |
867 | ctf_fs_file_destroy(file); |
868 | file = NULL; | |
869 | continue; | |
870 | } | |
871 | ||
872 | ret = ctf_fs_file_open(file, "rb"); | |
873 | if (ret) { | |
0f5c5d5c SM |
874 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Cannot open stream file `{}`", |
875 | file->path->str); | |
4164020e SM |
876 | goto error; |
877 | } | |
878 | ||
879 | if (file->size == 0) { | |
880 | /* Skip empty stream. */ | |
0f5c5d5c | 881 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring empty file `{}`", file->path->str); |
4164020e SM |
882 | ctf_fs_file_destroy(file); |
883 | continue; | |
884 | } | |
885 | ||
886 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, file->path->str); | |
887 | if (ret) { | |
0f5c5d5c SM |
888 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
889 | "Cannot add stream file `{}` to stream file group", | |
890 | file->path->str); | |
4164020e SM |
891 | ctf_fs_file_destroy(file); |
892 | goto error; | |
893 | } | |
894 | ||
895 | ctf_fs_file_destroy(file); | |
896 | } | |
897 | ||
898 | goto end; | |
4f1f88a6 | 899 | |
e7a4393b | 900 | error: |
4164020e | 901 | ret = -1; |
4f1f88a6 | 902 | |
e7a4393b | 903 | end: |
4164020e SM |
904 | if (dir) { |
905 | g_dir_close(dir); | |
906 | dir = NULL; | |
907 | } | |
4f1f88a6 | 908 | |
4164020e SM |
909 | if (error) { |
910 | g_error_free(error); | |
911 | } | |
5b29e799 | 912 | |
4164020e | 913 | return ret; |
5b29e799 JG |
914 | } |
915 | ||
0f5c5d5c | 916 | static int set_trace_name(bt_trace *trace, const char *name_suffix, const bt2c::Logger& logger) |
862ca4ed | 917 | { |
4164020e SM |
918 | int ret = 0; |
919 | const bt_value *val; | |
920 | GString *name; | |
921 | ||
922 | name = g_string_new(NULL); | |
923 | if (!name) { | |
0f5c5d5c | 924 | BT_CPPLOGE_STR_SPEC(logger, "Failed to allocate a GString."); |
4164020e SM |
925 | ret = -1; |
926 | goto end; | |
927 | } | |
928 | ||
929 | /* | |
930 | * Check if we have a trace environment string value named `hostname`. | |
931 | * If so, use it as the trace name's prefix. | |
932 | */ | |
933 | val = bt_trace_borrow_environment_entry_value_by_name_const(trace, "hostname"); | |
934 | if (val && bt_value_is_string(val)) { | |
935 | g_string_append(name, bt_value_string_get(val)); | |
936 | ||
937 | if (name_suffix) { | |
938 | g_string_append_c(name, G_DIR_SEPARATOR); | |
939 | } | |
940 | } | |
941 | ||
942 | if (name_suffix) { | |
943 | g_string_append(name, name_suffix); | |
944 | } | |
945 | ||
946 | ret = bt_trace_set_name(trace, name->str); | |
947 | if (ret) { | |
948 | goto end; | |
949 | } | |
950 | ||
951 | goto end; | |
862ca4ed PP |
952 | |
953 | end: | |
4164020e SM |
954 | if (name) { |
955 | g_string_free(name, TRUE); | |
956 | } | |
862ca4ed | 957 | |
4164020e | 958 | return ret; |
862ca4ed PP |
959 | } |
960 | ||
0f5c5d5c | 961 | static struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
4164020e | 962 | struct ctf_fs_metadata_config *metadata_config, |
0f5c5d5c SM |
963 | bt_self_component *selfComp, |
964 | const bt2c::Logger& parentLogger) | |
1a9f7075 | 965 | { |
4164020e SM |
966 | int ret; |
967 | ||
0f5c5d5c | 968 | ctf_fs_trace *ctf_fs_trace = new struct ctf_fs_trace(parentLogger); |
4164020e SM |
969 | ctf_fs_trace->path = g_string_new(path); |
970 | if (!ctf_fs_trace->path) { | |
971 | goto error; | |
972 | } | |
973 | ||
afb0f12b | 974 | ctf_fs_trace->metadata = new ctf_fs_metadata; |
4164020e SM |
975 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
976 | ctf_fs_trace->ds_file_groups = | |
977 | g_ptr_array_new_with_free_func((GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
978 | if (!ctf_fs_trace->ds_file_groups) { | |
979 | goto error; | |
980 | } | |
981 | ||
0f5c5d5c | 982 | ret = ctf_fs_metadata_set_trace_class(selfComp, ctf_fs_trace, metadata_config); |
4164020e SM |
983 | if (ret) { |
984 | goto error; | |
985 | } | |
986 | ||
987 | if (ctf_fs_trace->metadata->trace_class) { | |
988 | ctf_fs_trace->trace = bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
989 | if (!ctf_fs_trace->trace) { | |
990 | goto error; | |
991 | } | |
992 | } | |
993 | ||
994 | if (ctf_fs_trace->trace) { | |
995 | ret = ctf_trace_class_configure_ir_trace(ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
996 | if (ret) { | |
997 | goto error; | |
998 | } | |
999 | ||
0f5c5d5c | 1000 | ret = set_trace_name(ctf_fs_trace->trace, name, ctf_fs_trace->logger); |
4164020e SM |
1001 | if (ret) { |
1002 | goto error; | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | ret = create_ds_file_groups(ctf_fs_trace); | |
1007 | if (ret) { | |
1008 | goto error; | |
1009 | } | |
1010 | ||
1011 | goto end; | |
1a9f7075 PP |
1012 | |
1013 | error: | |
4164020e SM |
1014 | ctf_fs_trace_destroy(ctf_fs_trace); |
1015 | ctf_fs_trace = NULL; | |
44c440bc | 1016 | |
1a9f7075 | 1017 | end: |
4164020e | 1018 | return ctf_fs_trace; |
1a9f7075 PP |
1019 | } |
1020 | ||
4164020e | 1021 | static int path_is_ctf_trace(const char *path) |
1a9f7075 | 1022 | { |
4164020e SM |
1023 | GString *metadata_path = g_string_new(NULL); |
1024 | int ret = 0; | |
1a9f7075 | 1025 | |
4164020e SM |
1026 | if (!metadata_path) { |
1027 | ret = -1; | |
1028 | goto end; | |
1029 | } | |
1a9f7075 | 1030 | |
4164020e | 1031 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 | 1032 | |
4164020e SM |
1033 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { |
1034 | ret = 1; | |
1035 | goto end; | |
1036 | } | |
1a9f7075 PP |
1037 | |
1038 | end: | |
4164020e SM |
1039 | g_string_free(metadata_path, TRUE); |
1040 | return ret; | |
1a9f7075 PP |
1041 | } |
1042 | ||
a0cd55ad | 1043 | /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */ |
f280892e | 1044 | |
4164020e SM |
1045 | static int ctf_fs_component_create_ctf_fs_trace_one_path(struct ctf_fs_component *ctf_fs, |
1046 | const char *path_param, | |
1047 | const char *trace_name, GPtrArray *traces, | |
0f5c5d5c | 1048 | bt_self_component *selfComp) |
1a9f7075 | 1049 | { |
4164020e SM |
1050 | struct ctf_fs_trace *ctf_fs_trace; |
1051 | int ret; | |
1052 | GString *norm_path; | |
4164020e SM |
1053 | |
1054 | norm_path = bt_common_normalize_path(path_param, NULL); | |
1055 | if (!norm_path) { | |
0f5c5d5c | 1056 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to normalize path: `{}`.", path_param); |
4164020e SM |
1057 | goto error; |
1058 | } | |
1059 | ||
1060 | ret = path_is_ctf_trace(norm_path->str); | |
1061 | if (ret < 0) { | |
0f5c5d5c SM |
1062 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1063 | ctf_fs->logger, "Failed to check if path is a CTF trace: path={}", norm_path->str); | |
4164020e SM |
1064 | goto error; |
1065 | } else if (ret == 0) { | |
0f5c5d5c SM |
1066 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1067 | ctf_fs->logger, "Path is not a CTF trace (does not contain a metadata file): `{}`.", | |
1068 | norm_path->str); | |
4164020e SM |
1069 | goto error; |
1070 | } | |
1071 | ||
1072 | // FIXME: Remove or ifdef for __MINGW32__ | |
1073 | if (strcmp(norm_path->str, "/") == 0) { | |
0f5c5d5c | 1074 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Opening a trace in `/` is not supported."); |
4164020e SM |
1075 | ret = -1; |
1076 | goto end; | |
1077 | } | |
1078 | ||
0f5c5d5c SM |
1079 | ctf_fs_trace = ctf_fs_trace_create(norm_path->str, trace_name, &ctf_fs->metadata_config, |
1080 | selfComp, ctf_fs->logger); | |
4164020e | 1081 | if (!ctf_fs_trace) { |
0f5c5d5c SM |
1082 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create trace for `{}`.", |
1083 | norm_path->str); | |
4164020e SM |
1084 | goto error; |
1085 | } | |
1086 | ||
1087 | g_ptr_array_add(traces, ctf_fs_trace); | |
1088 | ctf_fs_trace = NULL; | |
1089 | ||
1090 | ret = 0; | |
1091 | goto end; | |
1a9f7075 PP |
1092 | |
1093 | error: | |
4164020e | 1094 | ret = -1; |
1a9f7075 PP |
1095 | |
1096 | end: | |
4164020e SM |
1097 | if (norm_path) { |
1098 | g_string_free(norm_path, TRUE); | |
1099 | } | |
4bd72b60 | 1100 | |
4164020e | 1101 | return ret; |
1a9f7075 PP |
1102 | } |
1103 | ||
41a65f30 SM |
1104 | /* |
1105 | * Count the number of stream and event classes defined by this trace's metadata. | |
1106 | * | |
1107 | * This is used to determine which metadata is the "latest", out of multiple | |
1108 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
1109 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
1110 | * enough to just count the classes. | |
1111 | */ | |
1112 | ||
4164020e | 1113 | static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) |
41a65f30 | 1114 | { |
4164020e SM |
1115 | unsigned int num = trace->metadata->tc->stream_classes->len; |
1116 | guint i; | |
41a65f30 | 1117 | |
4164020e SM |
1118 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { |
1119 | struct ctf_stream_class *sc = | |
1120 | (struct ctf_stream_class *) trace->metadata->tc->stream_classes->pdata[i]; | |
1121 | num += sc->event_classes->len; | |
1122 | } | |
41a65f30 | 1123 | |
4164020e | 1124 | return num; |
41a65f30 SM |
1125 | } |
1126 | ||
1127 | /* | |
1128 | * Merge the src ds_file_group into dest. This consists of merging their | |
1129 | * ds_file_infos, making sure to keep the result sorted. | |
1130 | */ | |
1131 | ||
4164020e SM |
1132 | static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, |
1133 | struct ctf_fs_ds_file_group *src) | |
41a65f30 | 1134 | { |
4164020e | 1135 | guint i; |
41a65f30 | 1136 | |
4164020e SM |
1137 | for (i = 0; i < src->ds_file_infos->len; i++) { |
1138 | struct ctf_fs_ds_file_info *ds_file_info = | |
1139 | (struct ctf_fs_ds_file_info *) g_ptr_array_index(src->ds_file_infos, i); | |
41a65f30 | 1140 | |
4164020e SM |
1141 | /* Ownership of the ds_file_info is transferred to dest. */ |
1142 | g_ptr_array_index(src->ds_file_infos, i) = NULL; | |
41a65f30 | 1143 | |
4164020e SM |
1144 | ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info); |
1145 | } | |
41a65f30 | 1146 | |
4164020e SM |
1147 | /* Merge both indexes. */ |
1148 | merge_ctf_fs_ds_indexes(dest->index, src->index); | |
7ed5243a | 1149 | } |
41a65f30 SM |
1150 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
1151 | ||
4164020e SM |
1152 | static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace, |
1153 | struct ctf_fs_trace *src_trace) | |
41a65f30 | 1154 | { |
4164020e SM |
1155 | GPtrArray *dest = dest_trace->ds_file_groups; |
1156 | GPtrArray *src = src_trace->ds_file_groups; | |
1157 | guint s_i; | |
1158 | int ret = 0; | |
1159 | ||
1160 | /* | |
1161 | * Save the initial length of dest: we only want to check against the | |
1162 | * original elements in the inner loop. | |
1163 | */ | |
1164 | const guint dest_len = dest->len; | |
1165 | ||
1166 | for (s_i = 0; s_i < src->len; s_i++) { | |
1167 | struct ctf_fs_ds_file_group *src_group = | |
1168 | (struct ctf_fs_ds_file_group *) g_ptr_array_index(src, s_i); | |
1169 | struct ctf_fs_ds_file_group *dest_group = NULL; | |
1170 | ||
1171 | /* A stream instance without ID can't match a stream in the other trace. */ | |
1172 | if (src_group->stream_id != -1) { | |
1173 | guint d_i; | |
1174 | ||
1175 | /* Let's search for a matching ds_file_group in the destination. */ | |
1176 | for (d_i = 0; d_i < dest_len; d_i++) { | |
1177 | struct ctf_fs_ds_file_group *candidate_dest = | |
1178 | (struct ctf_fs_ds_file_group *) g_ptr_array_index(dest, d_i); | |
1179 | ||
1180 | /* Can't match a stream instance without ID. */ | |
1181 | if (candidate_dest->stream_id == -1) { | |
1182 | continue; | |
1183 | } | |
1184 | ||
1185 | /* | |
1186 | * If the two groups have the same stream instance id | |
1187 | * and belong to the same stream class (stream instance | |
1188 | * ids are per-stream class), they represent the same | |
1189 | * stream instance. | |
1190 | */ | |
1191 | if (candidate_dest->stream_id != src_group->stream_id || | |
1192 | candidate_dest->sc->id != src_group->sc->id) { | |
1193 | continue; | |
1194 | } | |
1195 | ||
1196 | dest_group = candidate_dest; | |
1197 | break; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | /* | |
1202 | * Didn't find a friend in dest to merge our src_group into? | |
1203 | * Create a new empty one. This can happen if a stream was | |
1204 | * active in the source trace chunk but not in the destination | |
1205 | * trace chunk. | |
1206 | */ | |
1207 | if (!dest_group) { | |
1208 | struct ctf_stream_class *sc; | |
1209 | struct ctf_fs_ds_index *index; | |
1210 | ||
1211 | sc = ctf_trace_class_borrow_stream_class_by_id(dest_trace->metadata->tc, | |
1212 | src_group->sc->id); | |
1213 | BT_ASSERT(sc); | |
1214 | ||
0f5c5d5c | 1215 | index = ctf_fs_ds_index_create(dest_trace->logger); |
4164020e SM |
1216 | if (!index) { |
1217 | ret = -1; | |
1218 | goto end; | |
1219 | } | |
1220 | ||
1221 | dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, index); | |
1222 | /* Ownership of index is transferred. */ | |
1223 | index = NULL; | |
1224 | if (!dest_group) { | |
1225 | ret = -1; | |
1226 | goto end; | |
1227 | } | |
1228 | ||
1229 | g_ptr_array_add(dest_trace->ds_file_groups, dest_group); | |
1230 | } | |
1231 | ||
1232 | BT_ASSERT(dest_group); | |
1233 | merge_ctf_fs_ds_file_groups(dest_group, src_group); | |
1234 | } | |
54ef52bd FD |
1235 | |
1236 | end: | |
4164020e | 1237 | return ret; |
41a65f30 SM |
1238 | } |
1239 | ||
1240 | /* | |
1241 | * Collapse the given traces, which must all share the same UUID, in a single | |
1242 | * one. | |
1243 | * | |
1244 | * The trace with the most expansive metadata is chosen and all other traces | |
1245 | * are merged into that one. The array slots of all the traces that get merged | |
1246 | * in the chosen one are set to NULL, so only the slot of the chosen trace | |
1247 | * remains non-NULL. | |
1248 | */ | |
1249 | ||
4164020e SM |
1250 | static int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces, |
1251 | struct ctf_fs_trace **out_trace) | |
41a65f30 | 1252 | { |
4164020e SM |
1253 | unsigned int winner_count; |
1254 | struct ctf_fs_trace *winner; | |
1255 | guint i, winner_i; | |
1256 | int ret = 0; | |
1257 | ||
1258 | BT_ASSERT(num_traces >= 2); | |
1259 | ||
1260 | winner_count = metadata_count_stream_and_event_classes(traces[0]); | |
1261 | winner = traces[0]; | |
1262 | winner_i = 0; | |
1263 | ||
1264 | /* Find the trace with the largest metadata. */ | |
1265 | for (i = 1; i < num_traces; i++) { | |
1266 | struct ctf_fs_trace *candidate; | |
1267 | unsigned int candidate_count; | |
1268 | ||
1269 | candidate = traces[i]; | |
1270 | ||
1271 | /* A bit of sanity check. */ | |
1272 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1273 | ||
1274 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1275 | ||
1276 | if (candidate_count > winner_count) { | |
1277 | winner_count = candidate_count; | |
1278 | winner = candidate; | |
1279 | winner_i = i; | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | /* Merge all the other traces in the winning trace. */ | |
1284 | for (i = 0; i < num_traces; i++) { | |
1285 | struct ctf_fs_trace *trace = traces[i]; | |
1286 | ||
1287 | /* Don't merge the winner into itself. */ | |
1288 | if (trace == winner) { | |
1289 | continue; | |
1290 | } | |
1291 | ||
1292 | /* Merge trace's data stream file groups into winner's. */ | |
1293 | ret = merge_matching_ctf_fs_ds_file_groups(winner, trace); | |
1294 | if (ret) { | |
1295 | goto end; | |
1296 | } | |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * Move the winner out of the array, into `*out_trace`. | |
1301 | */ | |
1302 | *out_trace = winner; | |
1303 | traces[winner_i] = NULL; | |
54ef52bd FD |
1304 | |
1305 | end: | |
4164020e | 1306 | return ret; |
41a65f30 SM |
1307 | } |
1308 | ||
4164020e SM |
1309 | enum target_event |
1310 | { | |
1311 | FIRST_EVENT, | |
1312 | LAST_EVENT, | |
1719bf64 FD |
1313 | }; |
1314 | ||
4164020e SM |
1315 | static int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, |
1316 | struct ctf_clock_class *default_cc, | |
1317 | struct ctf_fs_ds_index_entry *index_entry, | |
1318 | enum target_event target_event, uint64_t *cs, | |
1319 | int64_t *ts_ns) | |
1719bf64 | 1320 | { |
4164020e SM |
1321 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
1322 | struct ctf_fs_ds_file *ds_file = NULL; | |
1323 | struct ctf_msg_iter *msg_iter = NULL; | |
4164020e SM |
1324 | int ret = 0; |
1325 | ||
1326 | BT_ASSERT(ctf_fs_trace); | |
1327 | BT_ASSERT(index_entry); | |
1328 | BT_ASSERT(index_entry->path); | |
1329 | ||
0f5c5d5c | 1330 | ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, index_entry->path, ctf_fs_trace->logger); |
4164020e | 1331 | if (!ds_file) { |
0f5c5d5c | 1332 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to create a ctf_fs_ds_file"); |
4164020e SM |
1333 | ret = -1; |
1334 | goto end; | |
1335 | } | |
1336 | ||
1337 | BT_ASSERT(ctf_fs_trace->metadata); | |
1338 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1339 | ||
0f5c5d5c SM |
1340 | msg_iter = ctf_msg_iter_create( |
1341 | ctf_fs_trace->metadata->tc, | |
1342 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
1343 | ctf_fs_ds_file_medops, ds_file, NULL, ctf_fs_trace->logger); | |
4164020e SM |
1344 | if (!msg_iter) { |
1345 | /* ctf_msg_iter_create() logs errors. */ | |
1346 | ret = -1; | |
1347 | goto end; | |
1348 | } | |
1349 | ||
1350 | /* | |
1351 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1352 | * library objects (bt_field, bt_message_*, etc.). | |
1353 | */ | |
1354 | ctf_msg_iter_set_dry_run(msg_iter, true); | |
1355 | ||
1356 | /* Seek to the beginning of the target packet. */ | |
1357 | iter_status = ctf_msg_iter_seek(msg_iter, index_entry->offset); | |
1358 | if (iter_status) { | |
1359 | /* ctf_msg_iter_seek() logs errors. */ | |
1360 | ret = -1; | |
1361 | goto end; | |
1362 | } | |
1363 | ||
1364 | switch (target_event) { | |
1365 | case FIRST_EVENT: | |
1366 | /* | |
1367 | * Start to decode the packet until we reach the end of | |
1368 | * the first event. To extract the first event's clock | |
1369 | * snapshot. | |
1370 | */ | |
1371 | iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot(msg_iter, cs); | |
1372 | break; | |
1373 | case LAST_EVENT: | |
1374 | /* Decode the packet to extract the last event's clock snapshot. */ | |
1375 | iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot(msg_iter, cs); | |
1376 | break; | |
1377 | default: | |
1378 | bt_common_abort(); | |
1379 | } | |
1380 | if (iter_status) { | |
1381 | ret = -1; | |
1382 | goto end; | |
1383 | } | |
1384 | ||
1385 | /* Convert clock snapshot to timestamp. */ | |
1386 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
1387 | *cs, default_cc->frequency, default_cc->offset_seconds, default_cc->offset_cycles, ts_ns); | |
1388 | if (ret) { | |
0f5c5d5c SM |
1389 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1390 | "Failed to convert clock snapshot to timestamp"); | |
4164020e SM |
1391 | goto end; |
1392 | } | |
1719bf64 FD |
1393 | |
1394 | end: | |
4164020e SM |
1395 | if (ds_file) { |
1396 | ctf_fs_ds_file_destroy(ds_file); | |
1397 | } | |
1398 | if (msg_iter) { | |
1399 | ctf_msg_iter_destroy(msg_iter); | |
1400 | } | |
1401 | ||
1402 | return ret; | |
1719bf64 FD |
1403 | } |
1404 | ||
4164020e SM |
1405 | static int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1406 | struct ctf_clock_class *default_cc, | |
1407 | struct ctf_fs_ds_index_entry *index_entry, | |
1408 | uint64_t *cs, int64_t *ts_ns) | |
c43092a5 | 1409 | { |
4164020e SM |
1410 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, FIRST_EVENT, cs, |
1411 | ts_ns); | |
c43092a5 FD |
1412 | } |
1413 | ||
4164020e SM |
1414 | static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1415 | struct ctf_clock_class *default_cc, | |
1416 | struct ctf_fs_ds_index_entry *index_entry, | |
1417 | uint64_t *cs, int64_t *ts_ns) | |
1719bf64 | 1418 | { |
4164020e SM |
1419 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, LAST_EVENT, cs, |
1420 | ts_ns); | |
1719bf64 FD |
1421 | } |
1422 | ||
1423 | /* | |
1424 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1425 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1426 | * larger (after) than the timestamp_end of the their packets. | |
1427 | * | |
1428 | * To fix up this erroneous data we do the following: | |
1429 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1430 | * end time to the next packet's beginning time. | |
1431 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1432 | * time to the packet's last event's time, if any, or to the packet's | |
1433 | * beginning time otherwise. | |
1434 | * | |
1435 | * Known buggy tracer versions: | |
1436 | * - before lttng-ust 2.11.0 | |
1437 | * - before lttng-module 2.11.0 | |
1438 | * - before lttng-module 2.10.10 | |
1439 | * - before lttng-module 2.9.13 | |
1440 | */ | |
4164020e | 1441 | static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) |
1719bf64 | 1442 | { |
4164020e SM |
1443 | int ret = 0; |
1444 | guint ds_file_group_i; | |
1445 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
4164020e SM |
1446 | |
1447 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) { | |
1448 | guint entry_i; | |
1449 | struct ctf_clock_class *default_cc; | |
1450 | struct ctf_fs_ds_index_entry *last_entry; | |
1451 | struct ctf_fs_ds_index *index; | |
1452 | ||
1453 | struct ctf_fs_ds_file_group *ds_file_group = | |
1454 | (struct ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1455 | ||
1456 | BT_ASSERT(ds_file_group); | |
1457 | index = ds_file_group->index; | |
1458 | ||
1459 | BT_ASSERT(index); | |
1460 | BT_ASSERT(index->entries); | |
1461 | BT_ASSERT(index->entries->len > 0); | |
1462 | ||
1463 | /* | |
1464 | * Iterate over all entries but the last one. The last one is | |
1465 | * fixed differently after. | |
1466 | */ | |
1467 | for (entry_i = 0; entry_i < index->entries->len - 1; entry_i++) { | |
1468 | struct ctf_fs_ds_index_entry *curr_entry, *next_entry; | |
1469 | ||
1470 | curr_entry = (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i); | |
1471 | next_entry = (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i + 1); | |
1472 | ||
1473 | /* | |
1474 | * 1. Set the current index entry `end` timestamp to | |
1475 | * the next index entry `begin` timestamp. | |
1476 | */ | |
1477 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1478 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1479 | } | |
1480 | ||
1481 | /* | |
1482 | * 2. Fix the last entry by decoding the last event of the last | |
1483 | * packet. | |
1484 | */ | |
1485 | last_entry = | |
1486 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, index->entries->len - 1); | |
1487 | BT_ASSERT(last_entry); | |
1488 | ||
1489 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1490 | default_cc = ds_file_group->sc->default_clock_class; | |
1491 | ||
1492 | /* | |
1493 | * Decode packet to read the timestamp of the last event of the | |
1494 | * entry. | |
1495 | */ | |
1496 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1497 | &last_entry->timestamp_end, | |
1498 | &last_entry->timestamp_end_ns); | |
1499 | if (ret) { | |
0f5c5d5c SM |
1500 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1501 | trace->logger, | |
4164020e SM |
1502 | "Failed to decode stream's last packet to get its last event's clock snapshot."); |
1503 | goto end; | |
1504 | } | |
1505 | } | |
1719bf64 FD |
1506 | |
1507 | end: | |
4164020e | 1508 | return ret; |
1719bf64 FD |
1509 | } |
1510 | ||
c43092a5 FD |
1511 | /* |
1512 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1513 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1514 | * less than the timestamp_begin of the their packets. | |
1515 | * | |
1516 | * To fix up this erroneous data we do the following: | |
1517 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1518 | * current entry to the timestamp of the first event of the packet. | |
1519 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1520 | * current packet. | |
1521 | * | |
1522 | * Known buggy tracer versions: | |
1523 | * - before barectf 2.3.1 | |
1524 | */ | |
4164020e | 1525 | static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) |
c43092a5 | 1526 | { |
4164020e SM |
1527 | int ret = 0; |
1528 | guint ds_file_group_i; | |
1529 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
4164020e SM |
1530 | |
1531 | for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) { | |
1532 | guint entry_i; | |
1533 | struct ctf_clock_class *default_cc; | |
1534 | ctf_fs_ds_file_group *ds_file_group = | |
1535 | (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i); | |
1536 | ||
1537 | struct ctf_fs_ds_index *index = ds_file_group->index; | |
1538 | ||
1539 | BT_ASSERT(index); | |
1540 | BT_ASSERT(index->entries); | |
1541 | BT_ASSERT(index->entries->len > 0); | |
1542 | ||
1543 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1544 | default_cc = ds_file_group->sc->default_clock_class; | |
1545 | ||
1546 | /* | |
1547 | * 1. Iterate over the index, starting from the second entry | |
1548 | * (index = 1). | |
1549 | */ | |
1550 | for (entry_i = 1; entry_i < index->entries->len; entry_i++) { | |
1551 | ctf_fs_ds_index_entry *prev_entry = | |
1552 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i - 1); | |
1553 | ctf_fs_ds_index_entry *curr_entry = | |
1554 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i); | |
1555 | /* | |
1556 | * 2. Set the current entry `begin` timestamp to the | |
1557 | * timestamp of the first event of the current packet. | |
1558 | */ | |
1559 | ret = decode_packet_first_event_timestamp(trace, default_cc, curr_entry, | |
1560 | &curr_entry->timestamp_begin, | |
1561 | &curr_entry->timestamp_begin_ns); | |
1562 | if (ret) { | |
0f5c5d5c SM |
1563 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1564 | "Failed to decode first event's clock snapshot"); | |
4164020e SM |
1565 | goto end; |
1566 | } | |
1567 | ||
1568 | /* | |
1569 | * 3. Set the previous entry `end` timestamp to the | |
1570 | * timestamp of the first event of the current packet. | |
1571 | */ | |
1572 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1573 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1574 | } | |
1575 | } | |
c43092a5 | 1576 | end: |
4164020e | 1577 | return ret; |
c43092a5 FD |
1578 | } |
1579 | ||
aada78b5 FD |
1580 | /* |
1581 | * When using the lttng-crash feature it's likely that the last packets of each | |
1582 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1583 | * the tracer crashed and was not able to properly close the packets. | |
1584 | * | |
1585 | * To fix up this erroneous data we do the following: | |
1586 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1587 | * timestamp_begin is not 0: | |
1588 | * - If it's the stream file's last packet: set the packet index entry's end | |
1589 | * time to the packet's last event's time, if any, or to the packet's | |
1590 | * beginning time otherwise. | |
1591 | * - If it's not the stream file's last packet: set the packet index | |
1592 | * entry's end time to the next packet's beginning time. | |
1593 | * | |
1594 | * Affected versions: | |
1595 | * - All current and future lttng-ust and lttng-modules versions. | |
1596 | */ | |
4164020e | 1597 | static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) |
aada78b5 | 1598 | { |
4164020e SM |
1599 | int ret = 0; |
1600 | guint ds_file_group_idx; | |
1601 | GPtrArray *ds_file_groups = trace->ds_file_groups; | |
4164020e SM |
1602 | |
1603 | for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len; ds_file_group_idx++) { | |
1604 | guint entry_idx; | |
1605 | struct ctf_clock_class *default_cc; | |
1606 | struct ctf_fs_ds_index *index; | |
1607 | ||
1608 | ctf_fs_ds_file_group *ds_file_group = | |
1609 | (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_idx); | |
1610 | ||
1611 | BT_ASSERT(ds_file_group); | |
1612 | index = ds_file_group->index; | |
1613 | ||
1614 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1615 | default_cc = ds_file_group->sc->default_clock_class; | |
1616 | ||
1617 | BT_ASSERT(index); | |
1618 | BT_ASSERT(index->entries); | |
1619 | BT_ASSERT(index->entries->len > 0); | |
1620 | ||
1621 | ctf_fs_ds_index_entry *last_entry = | |
1622 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, index->entries->len - 1); | |
1623 | BT_ASSERT(last_entry); | |
1624 | ||
1625 | /* 1. Fix the last entry first. */ | |
1626 | if (last_entry->timestamp_end == 0 && last_entry->timestamp_begin != 0) { | |
1627 | /* | |
1628 | * Decode packet to read the timestamp of the | |
1629 | * last event of the stream file. | |
1630 | */ | |
1631 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1632 | &last_entry->timestamp_end, | |
1633 | &last_entry->timestamp_end_ns); | |
1634 | if (ret) { | |
0f5c5d5c SM |
1635 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1636 | "Failed to decode last event's clock snapshot"); | |
4164020e SM |
1637 | goto end; |
1638 | } | |
1639 | } | |
1640 | ||
1641 | /* Iterate over all entries but the last one. */ | |
1642 | for (entry_idx = 0; entry_idx < index->entries->len - 1; entry_idx++) { | |
1643 | ctf_fs_ds_index_entry *curr_entry = | |
1644 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_idx); | |
1645 | ctf_fs_ds_index_entry *next_entry = | |
1646 | (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_idx + 1); | |
1647 | ||
1648 | if (curr_entry->timestamp_end == 0 && curr_entry->timestamp_begin != 0) { | |
1649 | /* | |
1650 | * 2. Set the current index entry `end` timestamp to | |
1651 | * the next index entry `begin` timestamp. | |
1652 | */ | |
1653 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1654 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1655 | } | |
1656 | } | |
1657 | } | |
aada78b5 FD |
1658 | |
1659 | end: | |
4164020e | 1660 | return ret; |
aada78b5 FD |
1661 | } |
1662 | ||
626cc488 FD |
1663 | /* |
1664 | * Extract the tracer information necessary to compare versions. | |
1665 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
1666 | * necessary fields are absents in the trace metadata. | |
1667 | */ | |
4164020e | 1668 | static int extract_tracer_info(struct ctf_fs_trace *trace, struct tracer_info *current_tracer_info) |
626cc488 | 1669 | { |
4164020e SM |
1670 | int ret = 0; |
1671 | struct ctf_trace_class_env_entry *entry; | |
1672 | ||
1673 | /* Clear the current_tracer_info struct */ | |
1674 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
1675 | ||
1676 | /* | |
1677 | * To compare 2 tracer versions, at least the tracer name and it's | |
1678 | * major version are needed. If one of these is missing, consider it an | |
1679 | * extraction failure. | |
1680 | */ | |
1681 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_name"); | |
1682 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
1683 | goto missing_bare_minimum; | |
1684 | } | |
1685 | ||
1686 | /* Set tracer name. */ | |
1687 | current_tracer_info->name = entry->value.str->str; | |
1688 | ||
1689 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_major"); | |
1690 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1691 | goto missing_bare_minimum; | |
1692 | } | |
1693 | ||
1694 | /* Set major version number. */ | |
1695 | current_tracer_info->major = entry->value.i; | |
1696 | ||
1697 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_minor"); | |
1698 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1699 | goto end; | |
1700 | } | |
1701 | ||
1702 | /* Set minor version number. */ | |
1703 | current_tracer_info->minor = entry->value.i; | |
1704 | ||
1705 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patch"); | |
1706 | if (!entry) { | |
1707 | /* | |
1708 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
1709 | * For example, `lttng-modules` uses entry name | |
1710 | * `tracer_patchlevel`. | |
1711 | */ | |
1712 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patchlevel"); | |
1713 | } | |
1714 | ||
1715 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1716 | goto end; | |
1717 | } | |
1718 | ||
1719 | /* Set patch version number. */ | |
1720 | current_tracer_info->patch = entry->value.i; | |
1721 | ||
1722 | goto end; | |
626cc488 FD |
1723 | |
1724 | missing_bare_minimum: | |
4164020e | 1725 | ret = -1; |
626cc488 | 1726 | end: |
4164020e | 1727 | return ret; |
626cc488 FD |
1728 | } |
1729 | ||
4164020e | 1730 | static bool is_tracer_affected_by_lttng_event_after_packet_bug(struct tracer_info *curr_tracer_info) |
1719bf64 | 1731 | { |
4164020e SM |
1732 | bool is_affected = false; |
1733 | ||
1734 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1735 | if (curr_tracer_info->major < 2) { | |
1736 | is_affected = true; | |
1737 | } else if (curr_tracer_info->major == 2) { | |
1738 | /* fixed in lttng-ust 2.11.0 */ | |
1739 | if (curr_tracer_info->minor < 11) { | |
1740 | is_affected = true; | |
1741 | } | |
1742 | } | |
1743 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1744 | if (curr_tracer_info->major < 2) { | |
1745 | is_affected = true; | |
1746 | } else if (curr_tracer_info->major == 2) { | |
1747 | /* fixed in lttng-modules 2.11.0 */ | |
1748 | if (curr_tracer_info->minor == 10) { | |
1749 | /* fixed in lttng-modules 2.10.10 */ | |
1750 | if (curr_tracer_info->patch < 10) { | |
1751 | is_affected = true; | |
1752 | } | |
1753 | } else if (curr_tracer_info->minor == 9) { | |
1754 | /* fixed in lttng-modules 2.9.13 */ | |
1755 | if (curr_tracer_info->patch < 13) { | |
1756 | is_affected = true; | |
1757 | } | |
1758 | } else if (curr_tracer_info->minor < 9) { | |
1759 | is_affected = true; | |
1760 | } | |
1761 | } | |
1762 | } | |
1763 | ||
1764 | return is_affected; | |
1719bf64 FD |
1765 | } |
1766 | ||
4164020e SM |
1767 | static bool |
1768 | is_tracer_affected_by_barectf_event_before_packet_bug(struct tracer_info *curr_tracer_info) | |
c43092a5 | 1769 | { |
4164020e SM |
1770 | bool is_affected = false; |
1771 | ||
1772 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
1773 | if (curr_tracer_info->major < 2) { | |
1774 | is_affected = true; | |
1775 | } else if (curr_tracer_info->major == 2) { | |
1776 | if (curr_tracer_info->minor < 3) { | |
1777 | is_affected = true; | |
1778 | } else if (curr_tracer_info->minor == 3) { | |
1779 | /* fixed in barectf 2.3.1 */ | |
1780 | if (curr_tracer_info->patch < 1) { | |
1781 | is_affected = true; | |
1782 | } | |
1783 | } | |
1784 | } | |
1785 | } | |
1786 | ||
1787 | return is_affected; | |
c43092a5 FD |
1788 | } |
1789 | ||
4164020e | 1790 | static bool is_tracer_affected_by_lttng_crash_quirk(struct tracer_info *curr_tracer_info) |
aada78b5 | 1791 | { |
4164020e | 1792 | bool is_affected = false; |
aada78b5 | 1793 | |
4164020e SM |
1794 | /* All LTTng tracer may be affected by this lttng crash quirk. */ |
1795 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1796 | is_affected = true; | |
1797 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1798 | is_affected = true; | |
1799 | } | |
aada78b5 | 1800 | |
4164020e | 1801 | return is_affected; |
aada78b5 FD |
1802 | } |
1803 | ||
1719bf64 FD |
1804 | /* |
1805 | * Looks for trace produced by known buggy tracers and fix up the index | |
1806 | * produced earlier. | |
1807 | */ | |
0f5c5d5c | 1808 | static int fix_packet_index_tracer_bugs(ctf_fs_trace *trace) |
1719bf64 | 1809 | { |
4164020e SM |
1810 | int ret = 0; |
1811 | struct tracer_info current_tracer_info; | |
4164020e | 1812 | |
0f5c5d5c | 1813 | ret = extract_tracer_info(trace, ¤t_tracer_info); |
4164020e SM |
1814 | if (ret) { |
1815 | /* | |
1816 | * A trace may not have all the necessary environment | |
1817 | * entries to do the tracer version comparison. | |
1818 | * At least, the tracer name and major version number | |
1819 | * are needed. Failing to extract these entries is not | |
1820 | * an error. | |
1821 | */ | |
1822 | ret = 0; | |
0f5c5d5c SM |
1823 | BT_CPPLOGI_STR_SPEC( |
1824 | trace->logger, | |
1825 | "Cannot extract tracer information necessary to compare with buggy versions."); | |
4164020e | 1826 | goto end; |
4164020e SM |
1827 | } |
1828 | ||
1829 | /* Check if the trace may be affected by old tracer bugs. */ | |
1830 | if (is_tracer_affected_by_lttng_event_after_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1831 | BT_CPPLOGI_STR_SPEC( |
1832 | trace->logger, | |
1833 | "Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
1834 | ret = fix_index_lttng_event_after_packet_bug(trace); | |
4164020e | 1835 | if (ret) { |
0f5c5d5c SM |
1836 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1837 | "Failed to fix LTTng event-after-packet bug."); | |
4164020e SM |
1838 | goto end; |
1839 | } | |
0f5c5d5c | 1840 | trace->metadata->tc->quirks.lttng_event_after_packet = true; |
4164020e SM |
1841 | } |
1842 | ||
1843 | if (is_tracer_affected_by_barectf_event_before_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1844 | BT_CPPLOGI_STR_SPEC( |
1845 | trace->logger, | |
1846 | "Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
1847 | ret = fix_index_barectf_event_before_packet_bug(trace); | |
4164020e | 1848 | if (ret) { |
0f5c5d5c SM |
1849 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1850 | "Failed to fix barectf event-before-packet bug."); | |
4164020e SM |
1851 | goto end; |
1852 | } | |
0f5c5d5c | 1853 | trace->metadata->tc->quirks.barectf_event_before_packet = true; |
4164020e SM |
1854 | } |
1855 | ||
1856 | if (is_tracer_affected_by_lttng_crash_quirk(¤t_tracer_info)) { | |
0f5c5d5c | 1857 | ret = fix_index_lttng_crash_quirk(trace); |
4164020e | 1858 | if (ret) { |
0f5c5d5c SM |
1859 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1860 | "Failed to fix lttng-crash timestamp quirks."); | |
4164020e SM |
1861 | goto end; |
1862 | } | |
0f5c5d5c | 1863 | trace->metadata->tc->quirks.lttng_crash = true; |
4164020e | 1864 | } |
a0cd55ad | 1865 | |
1719bf64 | 1866 | end: |
4164020e | 1867 | return ret; |
1719bf64 FD |
1868 | } |
1869 | ||
4164020e | 1870 | static gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b) |
e9b3611f | 1871 | { |
4164020e SM |
1872 | ctf_fs_ds_file_group * const *ds_file_group_a = (ctf_fs_ds_file_group **) a; |
1873 | ctf_fs_ds_file_group * const *ds_file_group_b = (ctf_fs_ds_file_group **) b; | |
e9b3611f | 1874 | |
4164020e SM |
1875 | BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0); |
1876 | BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0); | |
087cd0f5 | 1877 | |
4164020e SM |
1878 | const ctf_fs_ds_file_info *first_ds_file_info_a = |
1879 | (const ctf_fs_ds_file_info *) (*ds_file_group_a)->ds_file_infos->pdata[0]; | |
1880 | const ctf_fs_ds_file_info *first_ds_file_info_b = | |
1881 | (const ctf_fs_ds_file_info *) (*ds_file_group_b)->ds_file_infos->pdata[0]; | |
087cd0f5 | 1882 | |
4164020e | 1883 | return strcmp(first_ds_file_info_a->path->str, first_ds_file_info_b->path->str); |
e9b3611f PP |
1884 | } |
1885 | ||
4164020e | 1886 | static gint compare_strings(gconstpointer p_a, gconstpointer p_b) |
7b69723d | 1887 | { |
4164020e SM |
1888 | const char *a = *((const char **) p_a); |
1889 | const char *b = *((const char **) p_b); | |
7b69723d | 1890 | |
4164020e | 1891 | return strcmp(a, b); |
7b69723d SM |
1892 | } |
1893 | ||
4164020e SM |
1894 | int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs, |
1895 | const bt_value *paths_value, | |
1896 | const bt_value *trace_name_value, | |
0f5c5d5c | 1897 | bt_self_component *selfComp) |
f280892e | 1898 | { |
4164020e SM |
1899 | int ret = 0; |
1900 | uint64_t i; | |
4164020e SM |
1901 | GPtrArray *paths = NULL; |
1902 | GPtrArray *traces; | |
1903 | const char *trace_name; | |
1904 | ||
1905 | BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY); | |
1906 | BT_ASSERT(!bt_value_array_is_empty(paths_value)); | |
1907 | ||
1908 | traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier); | |
1909 | if (!traces) { | |
0f5c5d5c | 1910 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to allocate a GPtrArray."); |
4164020e SM |
1911 | goto error; |
1912 | } | |
1913 | ||
1914 | paths = g_ptr_array_new_with_free_func(g_free); | |
1915 | if (!paths) { | |
0f5c5d5c | 1916 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to allocate a GPtrArray."); |
4164020e SM |
1917 | goto error; |
1918 | } | |
1919 | ||
1920 | trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL; | |
1921 | ||
1922 | /* | |
1923 | * Create a sorted array of the paths, to make the execution of this | |
1924 | * component deterministic. | |
1925 | */ | |
1926 | for (i = 0; i < bt_value_array_get_length(paths_value); i++) { | |
1927 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1928 | const char *input = bt_value_string_get(path_value); | |
1929 | gchar *input_copy; | |
1930 | ||
1931 | input_copy = g_strdup(input); | |
1932 | if (!input_copy) { | |
0f5c5d5c | 1933 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to copy a string."); |
4164020e SM |
1934 | goto error; |
1935 | } | |
1936 | ||
1937 | g_ptr_array_add(paths, input_copy); | |
1938 | } | |
1939 | ||
1940 | g_ptr_array_sort(paths, compare_strings); | |
1941 | ||
1942 | /* Create a separate ctf_fs_trace object for each path. */ | |
1943 | for (i = 0; i < paths->len; i++) { | |
1944 | const char *path = (const char *) g_ptr_array_index(paths, i); | |
1945 | ||
1946 | ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, path, trace_name, traces, | |
0f5c5d5c | 1947 | selfComp); |
4164020e SM |
1948 | if (ret) { |
1949 | goto end; | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | if (traces->len > 1) { | |
1954 | struct ctf_fs_trace *first_trace = (struct ctf_fs_trace *) traces->pdata[0]; | |
1955 | const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid; | |
1956 | struct ctf_fs_trace *trace; | |
1957 | ||
1958 | /* | |
1959 | * We have more than one trace, they must all share the same | |
1960 | * UUID, verify that. | |
1961 | */ | |
1962 | for (i = 0; i < traces->len; i++) { | |
1963 | struct ctf_fs_trace *this_trace = (struct ctf_fs_trace *) traces->pdata[i]; | |
1964 | const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid; | |
1965 | ||
1966 | if (!this_trace->metadata->tc->is_uuid_set) { | |
0f5c5d5c SM |
1967 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1968 | ctf_fs->logger, | |
1969 | "Multiple traces given, but a trace does not have a UUID: path={}", | |
4164020e SM |
1970 | this_trace->path->str); |
1971 | goto error; | |
1972 | } | |
1973 | ||
1974 | if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) { | |
1975 | char first_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1976 | char this_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1977 | ||
1978 | bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str); | |
1979 | bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str); | |
1980 | ||
0f5c5d5c SM |
1981 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1982 | "Multiple traces given, but UUIDs don't match: " | |
1983 | "first-trace-uuid={}, first-trace-path={}, " | |
1984 | "trace-uuid={}, trace-path={}", | |
1985 | first_trace_uuid_str, first_trace->path->str, | |
1986 | this_trace_uuid_str, this_trace->path->str); | |
4164020e SM |
1987 | goto error; |
1988 | } | |
1989 | } | |
1990 | ||
1991 | ret = merge_ctf_fs_traces((struct ctf_fs_trace **) traces->pdata, traces->len, &trace); | |
1992 | if (ret) { | |
0f5c5d5c SM |
1993 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1994 | "Failed to merge traces with the same UUID."); | |
4164020e SM |
1995 | goto error; |
1996 | } | |
1997 | ||
1998 | ctf_fs->trace = trace; | |
1999 | } else { | |
2000 | /* Just one trace, it may or may not have a UUID, both are fine. */ | |
2001 | ctf_fs->trace = (ctf_fs_trace *) traces->pdata[0]; | |
2002 | traces->pdata[0] = NULL; | |
2003 | } | |
2004 | ||
0f5c5d5c | 2005 | ret = fix_packet_index_tracer_bugs(ctf_fs->trace); |
4164020e | 2006 | if (ret) { |
0f5c5d5c | 2007 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to fix packet index tracer bugs."); |
4164020e SM |
2008 | } |
2009 | ||
2010 | /* | |
2011 | * Sort data stream file groups by first data stream file info | |
2012 | * path to get a deterministic order. This order influences the | |
2013 | * order of the output ports. It also influences the order of | |
2014 | * the automatic stream IDs if the trace's packet headers do not | |
2015 | * contain a `stream_instance_id` field, in which case the data | |
2016 | * stream file to stream ID association is always the same, | |
2017 | * whatever the build and the system. | |
2018 | * | |
2019 | * Having a deterministic order here can help debugging and | |
2020 | * testing. | |
2021 | */ | |
2022 | g_ptr_array_sort(ctf_fs->trace->ds_file_groups, compare_ds_file_groups_by_first_path); | |
2023 | goto end; | |
a0cd55ad | 2024 | error: |
4164020e | 2025 | ret = -1; |
a0cd55ad | 2026 | |
f280892e | 2027 | end: |
4164020e SM |
2028 | if (traces) { |
2029 | g_ptr_array_free(traces, TRUE); | |
2030 | } | |
7b69723d | 2031 | |
4164020e SM |
2032 | if (paths) { |
2033 | g_ptr_array_free(paths, TRUE); | |
2034 | } | |
7b69723d | 2035 | |
4164020e | 2036 | return ret; |
f280892e SM |
2037 | } |
2038 | ||
4164020e | 2039 | static GString *get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_file_group) |
a38d7650 | 2040 | { |
4164020e SM |
2041 | GString *name; |
2042 | struct ctf_fs_ds_file_info *ds_file_info; | |
2043 | ||
2044 | name = g_string_new(NULL); | |
2045 | if (!name) { | |
2046 | goto end; | |
2047 | } | |
2048 | ||
2049 | /* | |
2050 | * If there's more than one stream file in the stream file | |
2051 | * group, the first (earliest) stream file's path is used as | |
2052 | * the stream's unique name. | |
2053 | */ | |
2054 | BT_ASSERT(ds_file_group->ds_file_infos->len > 0); | |
2055 | ds_file_info = (ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
2056 | g_string_assign(name, ds_file_info->path->str); | |
a38d7650 SM |
2057 | |
2058 | end: | |
4164020e | 2059 | return name; |
a38d7650 SM |
2060 | } |
2061 | ||
f280892e SM |
2062 | /* Create the IR stream objects for ctf_fs_trace. */ |
2063 | ||
4164020e | 2064 | static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) |
f280892e | 2065 | { |
4164020e SM |
2066 | int ret; |
2067 | GString *name = NULL; | |
2068 | guint i; | |
4164020e SM |
2069 | |
2070 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
2071 | ctf_fs_ds_file_group *ds_file_group = | |
2072 | (ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
2073 | name = get_stream_instance_unique_name(ds_file_group); | |
2074 | ||
2075 | if (!name) { | |
2076 | goto error; | |
2077 | } | |
2078 | ||
2079 | if (ds_file_group->sc->ir_sc) { | |
2080 | BT_ASSERT(ctf_fs_trace->trace); | |
2081 | ||
2082 | if (ds_file_group->stream_id == UINT64_C(-1)) { | |
2083 | /* No stream ID: use 0 */ | |
2084 | ds_file_group->stream = bt_stream_create_with_id( | |
2085 | ds_file_group->sc->ir_sc, ctf_fs_trace->trace, ctf_fs_trace->next_stream_id); | |
2086 | ctf_fs_trace->next_stream_id++; | |
2087 | } else { | |
2088 | /* Specific stream ID */ | |
2089 | ds_file_group->stream = | |
2090 | bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace, | |
2091 | (uint64_t) ds_file_group->stream_id); | |
2092 | } | |
2093 | } else { | |
2094 | ds_file_group->stream = NULL; | |
2095 | } | |
2096 | ||
2097 | if (!ds_file_group->stream) { | |
0f5c5d5c SM |
2098 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
2099 | "Cannot create stream for DS file group: " | |
2100 | "addr={}, stream-name=\"{}\"", | |
2101 | fmt::ptr(ds_file_group), name->str); | |
4164020e SM |
2102 | goto error; |
2103 | } | |
2104 | ||
2105 | ret = bt_stream_set_name(ds_file_group->stream, name->str); | |
2106 | if (ret) { | |
0f5c5d5c SM |
2107 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
2108 | "Cannot set stream's name: " | |
2109 | "addr={}, stream-name=\"{}\"", | |
2110 | fmt::ptr(ds_file_group->stream), name->str); | |
4164020e SM |
2111 | goto error; |
2112 | } | |
2113 | ||
2114 | g_string_free(name, TRUE); | |
2115 | name = NULL; | |
2116 | } | |
2117 | ||
2118 | ret = 0; | |
2119 | goto end; | |
f280892e SM |
2120 | |
2121 | error: | |
4164020e | 2122 | ret = -1; |
f280892e SM |
2123 | |
2124 | end: | |
2125 | ||
4164020e SM |
2126 | if (name) { |
2127 | g_string_free(name, TRUE); | |
2128 | } | |
2129 | return ret; | |
f280892e SM |
2130 | } |
2131 | ||
88730e42 SM |
2132 | static const bt_param_validation_value_descr inputs_elem_descr = |
2133 | bt_param_validation_value_descr::makeString(); | |
087cd0f5 SM |
2134 | |
2135 | static bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = { | |
88730e42 SM |
2136 | {"inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, |
2137 | bt_param_validation_value_descr::makeArray(1, BT_PARAM_VALIDATION_INFINITE, | |
2138 | inputs_elem_descr)}, | |
2139 | {"trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
2140 | bt_param_validation_value_descr::makeString()}, | |
2141 | {"clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
2142 | bt_param_validation_value_descr::makeSignedInteger()}, | |
2143 | {"clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
2144 | bt_param_validation_value_descr::makeSignedInteger()}, | |
2145 | {"force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
2146 | bt_param_validation_value_descr::makeBool()}, | |
4164020e SM |
2147 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END}; |
2148 | ||
2149 | bool read_src_fs_parameters(const bt_value *params, const bt_value **inputs, | |
0f5c5d5c | 2150 | const bt_value **trace_name, struct ctf_fs_component *ctf_fs) |
4164020e SM |
2151 | { |
2152 | bool ret; | |
2153 | const bt_value *value; | |
4164020e SM |
2154 | enum bt_param_validation_status validate_value_status; |
2155 | gchar *error = NULL; | |
2156 | ||
2157 | validate_value_status = bt_param_validation_validate(params, fs_params_entries_descr, &error); | |
2158 | if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) { | |
0f5c5d5c | 2159 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "{}", error); |
4164020e SM |
2160 | ret = false; |
2161 | goto end; | |
2162 | } | |
2163 | ||
2164 | /* inputs parameter */ | |
2165 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
2166 | ||
2167 | /* clock-class-offset-s parameter */ | |
2168 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-s"); | |
2169 | if (value) { | |
2170 | ctf_fs->metadata_config.clock_class_offset_s = bt_value_integer_signed_get(value); | |
2171 | } | |
2172 | ||
2173 | /* clock-class-offset-ns parameter */ | |
2174 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-ns"); | |
2175 | if (value) { | |
2176 | ctf_fs->metadata_config.clock_class_offset_ns = bt_value_integer_signed_get(value); | |
2177 | } | |
2178 | ||
2179 | /* force-clock-class-origin-unix-epoch parameter */ | |
2180 | value = bt_value_map_borrow_entry_value_const(params, "force-clock-class-origin-unix-epoch"); | |
2181 | if (value) { | |
2182 | ctf_fs->metadata_config.force_clock_class_origin_unix_epoch = bt_value_bool_get(value); | |
2183 | } | |
2184 | ||
2185 | /* trace-name parameter */ | |
2186 | *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name"); | |
2187 | ||
2188 | ret = true; | |
d907165c SM |
2189 | |
2190 | end: | |
4164020e SM |
2191 | g_free(error); |
2192 | return ret; | |
d907165c SM |
2193 | } |
2194 | ||
f340a3e8 SM |
2195 | static ctf_fs_component::UP ctf_fs_create(const bt_value *params, |
2196 | bt_self_component_source *self_comp_src) | |
56a1cced | 2197 | { |
4164020e SM |
2198 | const bt_value *inputs_value; |
2199 | const bt_value *trace_name_value; | |
2200 | bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 2201 | |
f340a3e8 | 2202 | ctf_fs_component::UP ctf_fs = ctf_fs_component_create( |
0f5c5d5c | 2203 | bt2c::Logger {bt2::SelfSourceComponent {self_comp_src}, "PLUGIN/SRC.CTF.FS/COMP"}); |
4164020e | 2204 | if (!ctf_fs) { |
f340a3e8 | 2205 | return nullptr; |
4164020e | 2206 | } |
f280892e | 2207 | |
f340a3e8 SM |
2208 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs.get())) { |
2209 | return nullptr; | |
4164020e | 2210 | } |
56a1cced | 2211 | |
f340a3e8 SM |
2212 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs.get(), inputs_value, trace_name_value, |
2213 | self_comp)) { | |
2214 | return nullptr; | |
4164020e | 2215 | } |
4f1f88a6 | 2216 | |
4164020e | 2217 | if (create_streams_for_trace(ctf_fs->trace)) { |
f340a3e8 | 2218 | return nullptr; |
4164020e | 2219 | } |
f280892e | 2220 | |
f340a3e8 SM |
2221 | if (create_ports_for_trace(ctf_fs.get(), ctf_fs->trace, self_comp_src)) { |
2222 | return nullptr; | |
4164020e | 2223 | } |
4f1f88a6 | 2224 | |
4164020e | 2225 | return ctf_fs; |
56a1cced JG |
2226 | } |
2227 | ||
50b9f4b5 SM |
2228 | bt_component_class_initialize_method_status ctf_fs_init(bt_self_component_source *self_comp_src, |
2229 | bt_self_component_source_configuration *, | |
2230 | const bt_value *params, void *) | |
ea0b4b9e | 2231 | { |
1e690349 | 2232 | try { |
1e690349 SM |
2233 | bt_component_class_initialize_method_status ret = |
2234 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
2235 | ||
f340a3e8 | 2236 | ctf_fs_component::UP ctf_fs = ctf_fs_create(params, self_comp_src); |
1e690349 SM |
2237 | if (!ctf_fs) { |
2238 | ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
2239 | } | |
ea0b4b9e | 2240 | |
f340a3e8 SM |
2241 | bt_self_component_set_data(bt_self_component_source_as_self_component(self_comp_src), |
2242 | ctf_fs.release()); | |
1e690349 SM |
2243 | return ret; |
2244 | } catch (const std::bad_alloc&) { | |
2245 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
2246 | } catch (const bt2::Error&) { | |
2247 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
4164020e | 2248 | } |
ea0b4b9e | 2249 | } |
33f93973 | 2250 | |
0f5c5d5c | 2251 | bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class_src, |
4164020e SM |
2252 | bt_private_query_executor *priv_query_exec, |
2253 | const char *object, const bt_value *params, | |
2254 | __attribute__((unused)) void *method_data, | |
2255 | const bt_value **result) | |
33f93973 | 2256 | { |
1e690349 | 2257 | try { |
1e690349 SM |
2258 | bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src}, |
2259 | bt2::PrivateQueryExecutor {priv_query_exec}, | |
2260 | "PLUGIN/SRC.CTF.FS/QUERY"}; | |
c02af779 SM |
2261 | bt2::ConstMapValue paramsObj(params); |
2262 | bt2::Value::Shared resultObj; | |
1e690349 SM |
2263 | |
2264 | if (strcmp(object, "metadata-info") == 0) { | |
c02af779 | 2265 | resultObj = metadata_info_query(paramsObj, logger); |
1e690349 | 2266 | } else if (strcmp(object, "babeltrace.trace-infos") == 0) { |
c02af779 | 2267 | resultObj = trace_infos_query(paramsObj, logger); |
1e690349 | 2268 | } else if (!strcmp(object, "babeltrace.support-info")) { |
c02af779 | 2269 | resultObj = support_info_query(paramsObj, logger); |
1e690349 SM |
2270 | } else { |
2271 | BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object); | |
c02af779 | 2272 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
1e690349 | 2273 | } |
c02af779 SM |
2274 | |
2275 | *result = resultObj.release().libObjPtr(); | |
2276 | ||
2277 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
1e690349 SM |
2278 | } catch (const std::bad_alloc&) { |
2279 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
2280 | } catch (const bt2::Error&) { | |
2281 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
2282 | } | |
33f93973 | 2283 | } |