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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 | ||
3045bbcb SM |
10 | #include <sstream> |
11 | ||
c802cacb | 12 | #include <glib.h> |
c802cacb SM |
13 | |
14 | #include <babeltrace2/babeltrace.h> | |
15 | ||
c802cacb | 16 | #include "common/assert.h" |
578e048b | 17 | #include "common/common.h" |
6162e6b7 | 18 | #include "common/uuid.h" |
3045bbcb | 19 | #include "cpp-common/bt2c/glib-up.hpp" |
945312a2 | 20 | #include "cpp-common/bt2s/make-unique.hpp" |
c802cacb SM |
21 | |
22 | #include "plugins/common/param-validation/param-validation.h" | |
23 | ||
5656cea5 PP |
24 | #include "../common/src/metadata/tsdl/ctf-meta-configure-ir-trace.hpp" |
25 | #include "../common/src/msg-iter/msg-iter.hpp" | |
c802cacb SM |
26 | #include "data-stream-file.hpp" |
27 | #include "file.hpp" | |
28 | #include "fs.hpp" | |
29 | #include "metadata.hpp" | |
087cd0f5 | 30 | #include "query.hpp" |
e7a4393b | 31 | |
4164020e SM |
32 | struct tracer_info |
33 | { | |
34 | const char *name; | |
35 | int64_t major; | |
36 | int64_t minor; | |
37 | int64_t patch; | |
626cc488 FD |
38 | }; |
39 | ||
4164020e SM |
40 | static bt_message_iterator_class_next_method_status |
41 | ctf_fs_iterator_next_one(struct ctf_fs_msg_iter_data *msg_iter_data, const bt_message **out_msg) | |
ea0b4b9e | 42 | { |
4164020e | 43 | bt_message_iterator_class_next_method_status status; |
537fddc0 SM |
44 | const auto msg_iter_status = |
45 | ctf_msg_iter_get_next_message(msg_iter_data->msg_iter.get(), out_msg); | |
4164020e SM |
46 | |
47 | switch (msg_iter_status) { | |
48 | case CTF_MSG_ITER_STATUS_OK: | |
49 | /* Cool, message has been written to *out_msg. */ | |
50 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
51 | break; | |
52 | ||
53 | case CTF_MSG_ITER_STATUS_EOF: | |
54 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; | |
55 | break; | |
56 | ||
57 | case CTF_MSG_ITER_STATUS_AGAIN: | |
58 | /* | |
59 | * Should not make it this far as this is | |
60 | * medium-specific; there is nothing for the user to do | |
61 | * and it should have been handled upstream. | |
62 | */ | |
63 | bt_common_abort(); | |
64 | ||
65 | case CTF_MSG_ITER_STATUS_ERROR: | |
0f5c5d5c SM |
66 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
67 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
68 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
69 | break; | |
70 | ||
71 | case CTF_MSG_ITER_STATUS_MEMORY_ERROR: | |
0f5c5d5c SM |
72 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
73 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
74 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
75 | break; | |
76 | ||
77 | default: | |
78 | bt_common_abort(); | |
79 | } | |
80 | ||
81 | return status; | |
d4393e08 PP |
82 | } |
83 | ||
4164020e SM |
84 | bt_message_iterator_class_next_method_status |
85 | ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs, | |
86 | uint64_t capacity, uint64_t *count) | |
d4393e08 | 87 | { |
1e690349 SM |
88 | try { |
89 | bt_message_iterator_class_next_method_status status; | |
90 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
91 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator); | |
92 | uint64_t i = 0; | |
4164020e | 93 | |
1e690349 SM |
94 | if (G_UNLIKELY(msg_iter_data->next_saved_error)) { |
95 | /* | |
4164020e SM |
96 | * Last time we were called, we hit an error but had some |
97 | * messages to deliver, so we stashed the error here. Return | |
98 | * it now. | |
99 | */ | |
1e690349 SM |
100 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error); |
101 | status = msg_iter_data->next_saved_status; | |
102 | goto end; | |
4164020e | 103 | } |
4164020e | 104 | |
1e690349 SM |
105 | do { |
106 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
107 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { | |
108 | i++; | |
109 | } | |
110 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); | |
111 | ||
112 | if (i > 0) { | |
113 | /* | |
4164020e SM |
114 | * Even if ctf_fs_iterator_next_one() returned something |
115 | * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we | |
116 | * accumulated message objects in the output | |
117 | * message array, so we need to return | |
118 | * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are | |
e7401568 | 119 | * transferred to downstream. This other status occurs |
4164020e SM |
120 | * again the next time muxer_msg_iter_do_next() is |
121 | * called, possibly without any accumulated | |
122 | * message, in which case we'll return it. | |
123 | */ | |
1e690349 SM |
124 | if (status < 0) { |
125 | /* | |
4164020e SM |
126 | * Save this error for the next _next call. Assume that |
127 | * this component always appends error causes when | |
128 | * returning an error status code, which will cause the | |
129 | * current thread error to be non-NULL. | |
130 | */ | |
1e690349 SM |
131 | msg_iter_data->next_saved_error = bt_current_thread_take_error(); |
132 | BT_ASSERT(msg_iter_data->next_saved_error); | |
133 | msg_iter_data->next_saved_status = status; | |
134 | } | |
4164020e | 135 | |
1e690349 SM |
136 | *count = i; |
137 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
138 | } | |
d4393e08 | 139 | |
cbca1c06 | 140 | end: |
1e690349 SM |
141 | return status; |
142 | return status; | |
143 | } catch (const std::bad_alloc&) { | |
144 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; | |
145 | } catch (const bt2::Error&) { | |
146 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; | |
147 | } | |
ea0b4b9e | 148 | } |
bfd20a42 | 149 | |
a3f0c7db | 150 | bt_message_iterator_class_seek_beginning_method_status |
d24d5663 | 151 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) |
6a9bb5e9 | 152 | { |
1e690349 SM |
153 | try { |
154 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
155 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it); | |
6a9bb5e9 | 156 | |
1e690349 | 157 | BT_ASSERT(msg_iter_data); |
6a9bb5e9 | 158 | |
537fddc0 | 159 | ctf_msg_iter_reset(msg_iter_data->msg_iter.get()); |
3cf88182 | 160 | ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data.get()); |
f6e68e70 | 161 | |
1e690349 SM |
162 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
163 | } catch (const std::bad_alloc&) { | |
164 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_MEMORY_ERROR; | |
165 | } catch (const bt2::Error&) { | |
166 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_ERROR; | |
167 | } | |
6a9bb5e9 PP |
168 | } |
169 | ||
d6e69534 | 170 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 171 | { |
adf452d1 SM |
172 | ctf_fs_msg_iter_data::UP { |
173 | (static_cast<ctf_fs_msg_iter_data *>(bt_self_message_iterator_get_data(it)))}; | |
760051fa JG |
174 | } |
175 | ||
4164020e SM |
176 | static bt_message_iterator_class_initialize_method_status |
177 | ctf_msg_iter_medium_status_to_msg_iter_initialize_status(enum ctf_msg_iter_medium_status status) | |
1b7b1ef9 | 178 | { |
4164020e SM |
179 | switch (status) { |
180 | case CTF_MSG_ITER_MEDIUM_STATUS_EOF: | |
181 | case CTF_MSG_ITER_MEDIUM_STATUS_AGAIN: | |
182 | case CTF_MSG_ITER_MEDIUM_STATUS_ERROR: | |
183 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
184 | case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR: | |
185 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
186 | case CTF_MSG_ITER_MEDIUM_STATUS_OK: | |
187 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
188 | } | |
189 | ||
190 | bt_common_abort(); | |
1b7b1ef9 SM |
191 | } |
192 | ||
4164020e SM |
193 | bt_message_iterator_class_initialize_method_status |
194 | ctf_fs_iterator_init(bt_self_message_iterator *self_msg_iter, | |
195 | bt_self_message_iterator_configuration *config, | |
196 | bt_self_component_port_output *self_port) | |
4c1456f0 | 197 | { |
1e690349 SM |
198 | try { |
199 | struct ctf_fs_port_data *port_data; | |
200 | bt_message_iterator_class_initialize_method_status status; | |
201 | enum ctf_msg_iter_medium_status medium_status; | |
202 | ||
203 | port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data( | |
204 | bt_self_component_port_output_as_self_component_port(self_port)); | |
205 | BT_ASSERT(port_data); | |
206 | ||
adf452d1 | 207 | auto msg_iter_data = bt2s::make_unique<ctf_fs_msg_iter_data>(self_msg_iter); |
1e690349 SM |
208 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
209 | ||
210 | medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, | |
211 | self_msg_iter, msg_iter_data->logger, | |
3cf88182 | 212 | msg_iter_data->msg_iter_medops_data); |
1e690349 SM |
213 | BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK || |
214 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR || | |
215 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR); | |
216 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
217 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
218 | "Failed to create ctf_fs_ds_group_medops"); | |
219 | status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status); | |
220 | goto error; | |
221 | } | |
4164020e | 222 | |
537fddc0 SM |
223 | msg_iter_data->msg_iter = ctf_msg_iter_create( |
224 | msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc, | |
225 | bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8, | |
226 | ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data.get(), self_msg_iter, | |
227 | msg_iter_data->logger); | |
1e690349 SM |
228 | if (!msg_iter_data->msg_iter) { |
229 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
230 | "Cannot create a CTF message iterator."); | |
231 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
232 | goto error; | |
233 | } | |
4164020e | 234 | |
1e690349 | 235 | /* |
4164020e SM |
236 | * This iterator can seek forward if its stream class has a default |
237 | * clock class. | |
238 | */ | |
1e690349 SM |
239 | if (msg_iter_data->ds_file_group->sc->default_clock_class) { |
240 | bt_self_message_iterator_configuration_set_can_seek_forward(config, true); | |
241 | } | |
4164020e | 242 | |
adf452d1 | 243 | bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data.release()); |
4164020e | 244 | |
1e690349 SM |
245 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
246 | goto end; | |
5b29e799 | 247 | |
4f1f88a6 | 248 | error: |
1e690349 | 249 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 250 | |
760051fa | 251 | end: |
1e690349 SM |
252 | return status; |
253 | } catch (const std::bad_alloc&) { | |
254 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
255 | } catch (const bt2::Error&) { | |
256 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
257 | } | |
760051fa JG |
258 | } |
259 | ||
f340a3e8 | 260 | ctf_fs_component::UP ctf_fs_component_create(const bt2c::Logger& parentLogger) |
a4792757 | 261 | { |
57ec0a35 | 262 | return bt2s::make_unique<ctf_fs_component>(parentLogger); |
f280892e SM |
263 | } |
264 | ||
265 | void ctf_fs_finalize(bt_self_component_source *component) | |
266 | { | |
57ec0a35 SM |
267 | ctf_fs_component::UP {static_cast<ctf_fs_component *>( |
268 | bt_self_component_get_data(bt_self_component_source_as_self_component(component)))}; | |
5b29e799 JG |
269 | } |
270 | ||
3045bbcb | 271 | std::string ctf_fs_make_port_name(ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 272 | { |
3045bbcb | 273 | std::stringstream name; |
4164020e SM |
274 | |
275 | /* | |
276 | * The unique port name is generated by concatenating unique identifiers | |
277 | * for: | |
278 | * | |
279 | * - the trace | |
280 | * - the stream class | |
281 | * - the stream | |
282 | */ | |
283 | ||
284 | /* For the trace, use the uuid if present, else the path. */ | |
285 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
286 | char uuid_str[BT_UUID_STR_LEN + 1]; | |
287 | ||
288 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
3045bbcb | 289 | name << uuid_str; |
4164020e | 290 | } else { |
3045bbcb | 291 | name << ds_file_group->ctf_fs_trace->path; |
4164020e SM |
292 | } |
293 | ||
294 | /* | |
295 | * For the stream class, use the id if present. We can omit this field | |
296 | * otherwise, as there will only be a single stream class. | |
297 | */ | |
298 | if (ds_file_group->sc->id != UINT64_C(-1)) { | |
3045bbcb | 299 | name << " | " << ds_file_group->sc->id; |
4164020e SM |
300 | } |
301 | ||
302 | /* For the stream, use the id if present, else, use the path. */ | |
303 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
3045bbcb | 304 | name << " | " << ds_file_group->stream_id; |
4164020e | 305 | } else { |
f3d74124 SM |
306 | BT_ASSERT(ds_file_group->ds_file_infos.size() == 1); |
307 | const auto& ds_file_info = *ds_file_group->ds_file_infos[0]; | |
3045bbcb | 308 | name << " | " << ds_file_info.path; |
4164020e SM |
309 | } |
310 | ||
3045bbcb | 311 | return name.str(); |
547eacf1 PP |
312 | } |
313 | ||
ce11b8c4 | 314 | static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
4164020e SM |
315 | struct ctf_fs_ds_file_group *ds_file_group, |
316 | bt_self_component_source *self_comp_src) | |
5b29e799 | 317 | { |
4164020e | 318 | int ret = 0; |
945312a2 | 319 | ctf_fs_port_data::UP port_data; |
4164020e | 320 | |
3045bbcb SM |
321 | const auto port_name = ctf_fs_make_port_name(ds_file_group); |
322 | BT_CPPLOGI_SPEC(ctf_fs->logger, "Creating one port named `{}`", port_name); | |
4164020e SM |
323 | |
324 | /* Create output port for this file */ | |
945312a2 | 325 | port_data = bt2s::make_unique<ctf_fs_port_data>(); |
4164020e SM |
326 | port_data->ctf_fs = ctf_fs; |
327 | port_data->ds_file_group = ds_file_group; | |
3045bbcb SM |
328 | ret = bt_self_component_source_add_output_port(self_comp_src, port_name.c_str(), |
329 | port_data.get(), NULL); | |
4164020e SM |
330 | if (ret) { |
331 | goto error; | |
332 | } | |
333 | ||
945312a2 | 334 | ctf_fs->port_data.emplace_back(std::move(port_data)); |
4164020e | 335 | goto end; |
4f1f88a6 PP |
336 | |
337 | error: | |
4164020e | 338 | ret = -1; |
4f1f88a6 PP |
339 | |
340 | end: | |
4164020e | 341 | return ret; |
5b29e799 JG |
342 | } |
343 | ||
4164020e SM |
344 | static int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
345 | struct ctf_fs_trace *ctf_fs_trace, | |
346 | bt_self_component_source *self_comp_src) | |
94cf822e | 347 | { |
4164020e | 348 | int ret = 0; |
4164020e SM |
349 | |
350 | /* Create one output port for each stream file group */ | |
cdf7de78 SM |
351 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
352 | ret = create_one_port_for_trace(ctf_fs, ds_file_group.get(), self_comp_src); | |
4164020e | 353 | if (ret) { |
0f5c5d5c | 354 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create output port."); |
4164020e SM |
355 | goto end; |
356 | } | |
357 | } | |
94cf822e PP |
358 | |
359 | end: | |
4164020e | 360 | return ret; |
94cf822e PP |
361 | } |
362 | ||
41a65f30 SM |
363 | /* |
364 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
365 | * place to keep it sorted. | |
366 | */ | |
367 | ||
4164020e | 368 | static void ds_file_group_insert_ds_file_info_sorted(struct ctf_fs_ds_file_group *ds_file_group, |
f3d74124 | 369 | ctf_fs_ds_file_info::UP ds_file_info) |
41a65f30 | 370 | { |
4164020e | 371 | /* Find the spot where to insert this ds_file_info. */ |
f3d74124 | 372 | auto it = ds_file_group->ds_file_infos.begin(); |
41a65f30 | 373 | |
f3d74124 SM |
374 | for (; it != ds_file_group->ds_file_infos.end(); ++it) { |
375 | const ctf_fs_ds_file_info& other_ds_file_info = **it; | |
376 | ||
377 | if (ds_file_info->begin_ns < other_ds_file_info.begin_ns) { | |
4164020e SM |
378 | break; |
379 | } | |
380 | } | |
41a65f30 | 381 | |
f3d74124 | 382 | ds_file_group->ds_file_infos.insert(it, std::move(ds_file_info)); |
41a65f30 SM |
383 | } |
384 | ||
4164020e SM |
385 | static bool ds_index_entries_equal(const struct ctf_fs_ds_index_entry *left, |
386 | const struct ctf_fs_ds_index_entry *right) | |
1505f33a | 387 | { |
ef7d7ac2 | 388 | if (left->packetSize != right->packetSize) { |
4164020e SM |
389 | return false; |
390 | } | |
1505f33a | 391 | |
4164020e SM |
392 | if (left->timestamp_begin != right->timestamp_begin) { |
393 | return false; | |
394 | } | |
1505f33a | 395 | |
4164020e SM |
396 | if (left->timestamp_end != right->timestamp_end) { |
397 | return false; | |
398 | } | |
1505f33a | 399 | |
4164020e SM |
400 | if (left->packet_seq_num != right->packet_seq_num) { |
401 | return false; | |
402 | } | |
1505f33a | 403 | |
4164020e | 404 | return true; |
1505f33a SM |
405 | } |
406 | ||
407 | /* | |
408 | * Insert `entry` into `index`, without duplication. | |
409 | * | |
410 | * The entry is inserted only if there isn't an identical entry already. | |
411 | * | |
412 | * In any case, the ownership of `entry` is transferred to this function. So if | |
413 | * the entry is not inserted, it is freed. | |
414 | */ | |
415 | ||
4164020e | 416 | static void ds_index_insert_ds_index_entry_sorted(struct ctf_fs_ds_index *index, |
2fb7af12 | 417 | ctf_fs_ds_index_entry::UP entry) |
7ed5243a | 418 | { |
4164020e | 419 | /* Find the spot where to insert this index entry. */ |
2fb7af12 SM |
420 | auto otherEntry = index->entries.begin(); |
421 | for (; otherEntry != index->entries.end(); ++otherEntry) { | |
422 | if (entry->timestamp_begin_ns <= (*otherEntry)->timestamp_begin_ns) { | |
4164020e SM |
423 | break; |
424 | } | |
425 | } | |
426 | ||
427 | /* | |
428 | * Insert the entry only if a duplicate doesn't already exist. | |
429 | * | |
430 | * There can be duplicate packets if reading multiple overlapping | |
431 | * snapshots of the same trace. We then want the index to contain | |
432 | * a reference to only one copy of that packet. | |
433 | */ | |
2fb7af12 SM |
434 | if (otherEntry == index->entries.end() || |
435 | !ds_index_entries_equal(entry.get(), otherEntry->get())) { | |
436 | index->entries.insert(otherEntry, std::move(entry)); | |
4164020e | 437 | } |
ce75de14 SM |
438 | } |
439 | ||
fe2f9cda | 440 | static void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, ctf_fs_ds_index::UP src) |
ce75de14 | 441 | { |
2fb7af12 SM |
442 | for (auto& entry : src->entries) { |
443 | ds_index_insert_ds_index_entry_sorted(dest, std::move(entry)); | |
4164020e | 444 | } |
7ed5243a FD |
445 | } |
446 | ||
4164020e | 447 | static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const char *path) |
94cf822e | 448 | { |
4164020e SM |
449 | int64_t stream_instance_id = -1; |
450 | int64_t begin_ns = -1; | |
451 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
fe2e19c4 | 452 | ctf_fs_ds_file_group::UP new_ds_file_group; |
4164020e | 453 | int ret; |
f3d74124 | 454 | ctf_fs_ds_file_info::UP ds_file_info; |
fe2f9cda | 455 | ctf_fs_ds_index::UP index; |
4420a5b6 | 456 | ctf_msg_iter_up msg_iter; |
4164020e SM |
457 | struct ctf_stream_class *sc = NULL; |
458 | struct ctf_msg_iter_packet_properties props; | |
4164020e SM |
459 | |
460 | /* | |
461 | * Create a temporary ds_file to read some properties about the data | |
462 | * stream file. | |
463 | */ | |
884feb7c SM |
464 | const auto ds_file = |
465 | ctf_fs_ds_file_create(ctf_fs_trace, bt2::Stream::Shared {}, path, ctf_fs_trace->logger); | |
4164020e SM |
466 | if (!ds_file) { |
467 | goto error; | |
468 | } | |
469 | ||
470 | /* Create a temporary iterator to read the ds_file. */ | |
0f5c5d5c | 471 | msg_iter = ctf_msg_iter_create( |
4420a5b6 SM |
472 | ctf_fs_trace->metadata->tc, |
473 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
474 | ctf_fs_ds_file_medops, ds_file.get(), nullptr, ctf_fs_trace->logger); | |
4164020e | 475 | if (!msg_iter) { |
0f5c5d5c | 476 | BT_CPPLOGE_STR_SPEC(ctf_fs_trace->logger, "Cannot create a CTF message iterator."); |
4164020e SM |
477 | goto error; |
478 | } | |
479 | ||
4420a5b6 | 480 | ctf_msg_iter_set_dry_run(msg_iter.get(), true); |
4164020e | 481 | |
4420a5b6 | 482 | ret = ctf_msg_iter_get_packet_properties(msg_iter.get(), &props); |
4164020e | 483 | if (ret) { |
0f5c5d5c SM |
484 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
485 | ctf_fs_trace->logger, | |
486 | "Cannot get stream file's first packet's header and context fields (`{}`).", path); | |
4164020e SM |
487 | goto error; |
488 | } | |
489 | ||
490 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id); | |
491 | BT_ASSERT(sc); | |
492 | stream_instance_id = props.data_stream_id; | |
493 | ||
494 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
495 | BT_ASSERT(sc->default_clock_class); | |
496 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
497 | props.snapshots.beginning_clock, sc->default_clock_class->frequency, | |
498 | sc->default_clock_class->offset_seconds, sc->default_clock_class->offset_cycles, | |
499 | &begin_ns); | |
500 | if (ret) { | |
0f5c5d5c SM |
501 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
502 | ctf_fs_trace->logger, | |
503 | "Cannot convert clock cycles to nanoseconds from origin (`{}`).", path); | |
4164020e SM |
504 | goto error; |
505 | } | |
506 | } | |
507 | ||
f3d74124 | 508 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
4164020e SM |
509 | if (!ds_file_info) { |
510 | goto error; | |
511 | } | |
512 | ||
4420a5b6 | 513 | index = ctf_fs_ds_file_build_index(ds_file.get(), ds_file_info.get(), msg_iter.get()); |
4164020e | 514 | if (!index) { |
0f5c5d5c | 515 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to index CTF stream file \'{}\'", |
a39d9817 | 516 | ds_file->file->path); |
4164020e SM |
517 | goto error; |
518 | } | |
519 | ||
520 | if (begin_ns == -1) { | |
521 | /* | |
522 | * No beginning timestamp to sort the stream files | |
523 | * within a stream file group, so consider that this | |
524 | * file must be the only one within its group. | |
525 | */ | |
526 | stream_instance_id = -1; | |
527 | } | |
528 | ||
529 | if (stream_instance_id == -1) { | |
530 | /* | |
531 | * No stream instance ID or no beginning timestamp: | |
532 | * create a unique stream file group for this stream | |
533 | * file because, even if there's a stream instance ID, | |
534 | * there's no timestamp to order the file within its | |
535 | * group. | |
536 | */ | |
fe2f9cda SM |
537 | new_ds_file_group = |
538 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), std::move(index)); | |
4164020e | 539 | |
fe2e19c4 | 540 | if (!new_ds_file_group) { |
4164020e SM |
541 | goto error; |
542 | } | |
543 | ||
f3d74124 | 544 | ds_file_group_insert_ds_file_info_sorted(new_ds_file_group.get(), std::move(ds_file_info)); |
cdf7de78 | 545 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e SM |
546 | goto end; |
547 | } | |
548 | ||
549 | BT_ASSERT(stream_instance_id != -1); | |
550 | BT_ASSERT(begin_ns != -1); | |
551 | ||
552 | /* Find an existing stream file group with this ID */ | |
cdf7de78 SM |
553 | for (const auto& candidate : ctf_fs_trace->ds_file_groups) { |
554 | if (candidate->sc == sc && candidate->stream_id == stream_instance_id) { | |
555 | ds_file_group = candidate.get(); | |
4164020e SM |
556 | break; |
557 | } | |
4164020e SM |
558 | } |
559 | ||
560 | if (!ds_file_group) { | |
fe2e19c4 | 561 | new_ds_file_group = |
fe2f9cda | 562 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, std::move(index)); |
fe2e19c4 | 563 | if (!new_ds_file_group) { |
4164020e SM |
564 | goto error; |
565 | } | |
566 | ||
fe2e19c4 | 567 | ds_file_group = new_ds_file_group.get(); |
cdf7de78 | 568 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e | 569 | } else { |
fe2f9cda | 570 | merge_ctf_fs_ds_indexes(ds_file_group->index.get(), std::move(index)); |
4164020e SM |
571 | } |
572 | ||
f3d74124 | 573 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, std::move(ds_file_info)); |
4164020e SM |
574 | |
575 | goto end; | |
94cf822e PP |
576 | |
577 | error: | |
4164020e | 578 | ret = -1; |
94cf822e PP |
579 | |
580 | end: | |
4164020e | 581 | return ret; |
94cf822e PP |
582 | } |
583 | ||
4164020e | 584 | static int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b | 585 | { |
4164020e SM |
586 | int ret = 0; |
587 | const char *basename; | |
588 | GError *error = NULL; | |
4164020e SM |
589 | |
590 | /* Check each file in the path directory, except specific ones */ | |
58847744 | 591 | const bt2c::GDirUP dir {g_dir_open(ctf_fs_trace->path.c_str(), 0, &error)}; |
4164020e | 592 | if (!dir) { |
0f5c5d5c | 593 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
cee8a466 SM |
594 | "Cannot open directory `{}`: {} (code {})", ctf_fs_trace->path, |
595 | error->message, error->code); | |
4164020e SM |
596 | goto error; |
597 | } | |
598 | ||
58847744 | 599 | while ((basename = g_dir_read_name(dir.get()))) { |
4164020e SM |
600 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { |
601 | /* Ignore the metadata stream. */ | |
0f5c5d5c SM |
602 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
603 | "Ignoring metadata file `{}" G_DIR_SEPARATOR_S "{}`", | |
cee8a466 | 604 | ctf_fs_trace->path, basename); |
4164020e SM |
605 | continue; |
606 | } | |
607 | ||
608 | if (basename[0] == '.') { | |
0f5c5d5c | 609 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
cee8a466 SM |
610 | "Ignoring hidden file `{}" G_DIR_SEPARATOR_S "{}`", ctf_fs_trace->path, |
611 | basename); | |
4164020e SM |
612 | continue; |
613 | } | |
614 | ||
615 | /* Create the file. */ | |
4726b1ee | 616 | ctf_fs_file file {ctf_fs_trace->logger}; |
4164020e SM |
617 | |
618 | /* Create full path string. */ | |
4726b1ee | 619 | file.path = fmt::format("{}" G_DIR_SEPARATOR_S "{}", ctf_fs_trace->path, basename); |
a39d9817 | 620 | |
4726b1ee SM |
621 | if (!g_file_test(file.path.c_str(), G_FILE_TEST_IS_REGULAR)) { |
622 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring non-regular file `{}`", file.path); | |
4164020e SM |
623 | continue; |
624 | } | |
625 | ||
4726b1ee | 626 | ret = ctf_fs_file_open(&file, "rb"); |
4164020e | 627 | if (ret) { |
0f5c5d5c | 628 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Cannot open stream file `{}`", |
4726b1ee | 629 | file.path); |
4164020e SM |
630 | goto error; |
631 | } | |
632 | ||
4726b1ee | 633 | if (file.size == 0) { |
4164020e | 634 | /* Skip empty stream. */ |
4726b1ee | 635 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring empty file `{}`", file.path); |
4164020e SM |
636 | continue; |
637 | } | |
638 | ||
4726b1ee | 639 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, file.path.c_str()); |
4164020e | 640 | if (ret) { |
0f5c5d5c SM |
641 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
642 | "Cannot add stream file `{}` to stream file group", | |
4726b1ee | 643 | file.path); |
4164020e SM |
644 | goto error; |
645 | } | |
4164020e SM |
646 | } |
647 | ||
648 | goto end; | |
4f1f88a6 | 649 | |
e7a4393b | 650 | error: |
4164020e | 651 | ret = -1; |
4f1f88a6 | 652 | |
e7a4393b | 653 | end: |
4164020e SM |
654 | if (error) { |
655 | g_error_free(error); | |
656 | } | |
5b29e799 | 657 | |
4164020e | 658 | return ret; |
5b29e799 JG |
659 | } |
660 | ||
3f7d65ef | 661 | static int set_trace_name(bt_trace *trace, const char *name_suffix) |
862ca4ed | 662 | { |
4164020e SM |
663 | int ret = 0; |
664 | const bt_value *val; | |
3f7d65ef | 665 | std::string name; |
4164020e SM |
666 | |
667 | /* | |
668 | * Check if we have a trace environment string value named `hostname`. | |
669 | * If so, use it as the trace name's prefix. | |
670 | */ | |
671 | val = bt_trace_borrow_environment_entry_value_by_name_const(trace, "hostname"); | |
672 | if (val && bt_value_is_string(val)) { | |
3f7d65ef | 673 | name += bt_value_string_get(val); |
4164020e SM |
674 | |
675 | if (name_suffix) { | |
3f7d65ef | 676 | name += G_DIR_SEPARATOR; |
4164020e SM |
677 | } |
678 | } | |
679 | ||
680 | if (name_suffix) { | |
3f7d65ef | 681 | name += name_suffix; |
4164020e SM |
682 | } |
683 | ||
3f7d65ef | 684 | ret = bt_trace_set_name(trace, name.c_str()); |
4164020e SM |
685 | if (ret) { |
686 | goto end; | |
687 | } | |
688 | ||
689 | goto end; | |
862ca4ed PP |
690 | |
691 | end: | |
4164020e | 692 | return ret; |
862ca4ed PP |
693 | } |
694 | ||
2ca337f1 SM |
695 | static ctf_fs_trace::UP ctf_fs_trace_create(const char *path, const char *name, |
696 | const ctf::src::ClkClsCfg& clkClsCfg, | |
697 | bt_self_component *selfComp, | |
698 | const bt2c::Logger& parentLogger) | |
1a9f7075 | 699 | { |
4164020e | 700 | int ret; |
2ca337f1 | 701 | ctf_fs_trace::UP ctf_fs_trace {new struct ctf_fs_trace(parentLogger)}; |
4164020e | 702 | |
cee8a466 | 703 | ctf_fs_trace->path = path; |
2dba3a29 | 704 | ctf_fs_trace->metadata = bt2s::make_unique<ctf_fs_metadata>(); |
4164020e | 705 | |
2ca337f1 | 706 | ret = ctf_fs_metadata_set_trace_class(selfComp, ctf_fs_trace.get(), clkClsCfg); |
4164020e SM |
707 | if (ret) { |
708 | goto error; | |
709 | } | |
710 | ||
711 | if (ctf_fs_trace->metadata->trace_class) { | |
ded1f3d6 | 712 | bt_trace *trace = bt_trace_create(ctf_fs_trace->metadata->trace_class->libObjPtr()); |
e44859b1 | 713 | if (!trace) { |
4164020e SM |
714 | goto error; |
715 | } | |
e44859b1 SM |
716 | |
717 | ctf_fs_trace->trace = bt2::Trace::Shared::createWithoutRef(trace); | |
4164020e SM |
718 | } |
719 | ||
720 | if (ctf_fs_trace->trace) { | |
e44859b1 SM |
721 | ret = ctf_trace_class_configure_ir_trace(ctf_fs_trace->metadata->tc, |
722 | ctf_fs_trace->trace->libObjPtr()); | |
4164020e SM |
723 | if (ret) { |
724 | goto error; | |
725 | } | |
726 | ||
3f7d65ef | 727 | ret = set_trace_name(ctf_fs_trace->trace->libObjPtr(), name); |
4164020e SM |
728 | if (ret) { |
729 | goto error; | |
730 | } | |
731 | } | |
732 | ||
2ca337f1 | 733 | ret = create_ds_file_groups(ctf_fs_trace.get()); |
4164020e SM |
734 | if (ret) { |
735 | goto error; | |
736 | } | |
737 | ||
738 | goto end; | |
1a9f7075 PP |
739 | |
740 | error: | |
2ca337f1 | 741 | ctf_fs_trace.reset(); |
44c440bc | 742 | |
1a9f7075 | 743 | end: |
4164020e | 744 | return ctf_fs_trace; |
1a9f7075 PP |
745 | } |
746 | ||
4164020e | 747 | static int path_is_ctf_trace(const char *path) |
1a9f7075 | 748 | { |
8bf95988 SM |
749 | return g_file_test(fmt::format("{}" G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME, path).c_str(), |
750 | G_FILE_TEST_IS_REGULAR); | |
1a9f7075 PP |
751 | } |
752 | ||
a0cd55ad | 753 | /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */ |
f280892e | 754 | |
4164020e SM |
755 | static int ctf_fs_component_create_ctf_fs_trace_one_path(struct ctf_fs_component *ctf_fs, |
756 | const char *path_param, | |
a4c955d9 SM |
757 | const char *trace_name, |
758 | std::vector<ctf_fs_trace::UP>& traces, | |
0f5c5d5c | 759 | bt_self_component *selfComp) |
1a9f7075 | 760 | { |
2ca337f1 | 761 | ctf_fs_trace::UP ctf_fs_trace; |
4164020e | 762 | int ret; |
4164020e | 763 | |
c8ca3c11 | 764 | bt2c::GStringUP norm_path {bt_common_normalize_path(path_param, NULL)}; |
4164020e | 765 | if (!norm_path) { |
0f5c5d5c | 766 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to normalize path: `{}`.", path_param); |
4164020e SM |
767 | goto error; |
768 | } | |
769 | ||
770 | ret = path_is_ctf_trace(norm_path->str); | |
771 | if (ret < 0) { | |
0f5c5d5c SM |
772 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
773 | ctf_fs->logger, "Failed to check if path is a CTF trace: path={}", norm_path->str); | |
4164020e SM |
774 | goto error; |
775 | } else if (ret == 0) { | |
0f5c5d5c SM |
776 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
777 | ctf_fs->logger, "Path is not a CTF trace (does not contain a metadata file): `{}`.", | |
778 | norm_path->str); | |
4164020e SM |
779 | goto error; |
780 | } | |
781 | ||
782 | // FIXME: Remove or ifdef for __MINGW32__ | |
783 | if (strcmp(norm_path->str, "/") == 0) { | |
0f5c5d5c | 784 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Opening a trace in `/` is not supported."); |
4164020e SM |
785 | ret = -1; |
786 | goto end; | |
787 | } | |
788 | ||
c942e7a2 SM |
789 | ctf_fs_trace = ctf_fs_trace_create(norm_path->str, trace_name, ctf_fs->clkClsCfg, selfComp, |
790 | ctf_fs->logger); | |
4164020e | 791 | if (!ctf_fs_trace) { |
0f5c5d5c SM |
792 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create trace for `{}`.", |
793 | norm_path->str); | |
4164020e SM |
794 | goto error; |
795 | } | |
796 | ||
a4c955d9 | 797 | traces.emplace_back(std::move(ctf_fs_trace)); |
4164020e SM |
798 | |
799 | ret = 0; | |
800 | goto end; | |
1a9f7075 PP |
801 | |
802 | error: | |
4164020e | 803 | ret = -1; |
1a9f7075 PP |
804 | |
805 | end: | |
4164020e | 806 | return ret; |
1a9f7075 PP |
807 | } |
808 | ||
41a65f30 SM |
809 | /* |
810 | * Count the number of stream and event classes defined by this trace's metadata. | |
811 | * | |
812 | * This is used to determine which metadata is the "latest", out of multiple | |
813 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
814 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
815 | * enough to just count the classes. | |
816 | */ | |
817 | ||
4164020e | 818 | static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) |
41a65f30 | 819 | { |
4164020e SM |
820 | unsigned int num = trace->metadata->tc->stream_classes->len; |
821 | guint i; | |
41a65f30 | 822 | |
4164020e SM |
823 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { |
824 | struct ctf_stream_class *sc = | |
825 | (struct ctf_stream_class *) trace->metadata->tc->stream_classes->pdata[i]; | |
826 | num += sc->event_classes->len; | |
827 | } | |
41a65f30 | 828 | |
4164020e | 829 | return num; |
41a65f30 SM |
830 | } |
831 | ||
832 | /* | |
833 | * Merge the src ds_file_group into dest. This consists of merging their | |
834 | * ds_file_infos, making sure to keep the result sorted. | |
835 | */ | |
836 | ||
4164020e | 837 | static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, |
cdf7de78 | 838 | ctf_fs_ds_file_group::UP src) |
41a65f30 | 839 | { |
f3d74124 SM |
840 | for (auto& ds_file_info : src->ds_file_infos) { |
841 | ds_file_group_insert_ds_file_info_sorted(dest, std::move(ds_file_info)); | |
4164020e | 842 | } |
41a65f30 | 843 | |
4164020e | 844 | /* Merge both indexes. */ |
fe2f9cda | 845 | merge_ctf_fs_ds_indexes(dest->index.get(), std::move(src->index)); |
7ed5243a | 846 | } |
a4c955d9 | 847 | |
41a65f30 SM |
848 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
849 | ||
4164020e | 850 | static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace, |
a4c955d9 | 851 | ctf_fs_trace::UP src_trace) |
41a65f30 | 852 | { |
cdf7de78 SM |
853 | std::vector<ctf_fs_ds_file_group::UP>& dest = dest_trace->ds_file_groups; |
854 | std::vector<ctf_fs_ds_file_group::UP>& src = src_trace->ds_file_groups; | |
4164020e SM |
855 | int ret = 0; |
856 | ||
857 | /* | |
858 | * Save the initial length of dest: we only want to check against the | |
859 | * original elements in the inner loop. | |
860 | */ | |
cdf7de78 | 861 | size_t dest_len = dest.size(); |
4164020e | 862 | |
cdf7de78 | 863 | for (auto& src_group : src) { |
4164020e SM |
864 | struct ctf_fs_ds_file_group *dest_group = NULL; |
865 | ||
866 | /* A stream instance without ID can't match a stream in the other trace. */ | |
867 | if (src_group->stream_id != -1) { | |
4164020e | 868 | /* Let's search for a matching ds_file_group in the destination. */ |
cdf7de78 SM |
869 | for (size_t d_i = 0; d_i < dest_len; ++d_i) { |
870 | ctf_fs_ds_file_group *candidate_dest = dest[d_i].get(); | |
4164020e SM |
871 | |
872 | /* Can't match a stream instance without ID. */ | |
873 | if (candidate_dest->stream_id == -1) { | |
874 | continue; | |
875 | } | |
876 | ||
877 | /* | |
878 | * If the two groups have the same stream instance id | |
879 | * and belong to the same stream class (stream instance | |
880 | * ids are per-stream class), they represent the same | |
881 | * stream instance. | |
882 | */ | |
883 | if (candidate_dest->stream_id != src_group->stream_id || | |
884 | candidate_dest->sc->id != src_group->sc->id) { | |
885 | continue; | |
886 | } | |
887 | ||
888 | dest_group = candidate_dest; | |
889 | break; | |
890 | } | |
891 | } | |
892 | ||
893 | /* | |
894 | * Didn't find a friend in dest to merge our src_group into? | |
895 | * Create a new empty one. This can happen if a stream was | |
896 | * active in the source trace chunk but not in the destination | |
897 | * trace chunk. | |
898 | */ | |
899 | if (!dest_group) { | |
900 | struct ctf_stream_class *sc; | |
4164020e SM |
901 | |
902 | sc = ctf_trace_class_borrow_stream_class_by_id(dest_trace->metadata->tc, | |
903 | src_group->sc->id); | |
904 | BT_ASSERT(sc); | |
905 | ||
2fb7af12 | 906 | auto index = ctf_fs_ds_index_create(); |
4164020e SM |
907 | if (!index) { |
908 | ret = -1; | |
909 | goto end; | |
910 | } | |
911 | ||
fe2e19c4 | 912 | auto new_dest_group = |
fe2f9cda | 913 | ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, std::move(index)); |
fe2e19c4 | 914 | |
fe2e19c4 | 915 | if (!new_dest_group) { |
4164020e SM |
916 | ret = -1; |
917 | goto end; | |
918 | } | |
919 | ||
fe2e19c4 | 920 | dest_group = new_dest_group.get(); |
cdf7de78 | 921 | dest_trace->ds_file_groups.emplace_back(std::move(new_dest_group)); |
4164020e SM |
922 | } |
923 | ||
924 | BT_ASSERT(dest_group); | |
cdf7de78 | 925 | merge_ctf_fs_ds_file_groups(dest_group, std::move(src_group)); |
4164020e | 926 | } |
54ef52bd FD |
927 | |
928 | end: | |
4164020e | 929 | return ret; |
41a65f30 SM |
930 | } |
931 | ||
932 | /* | |
933 | * Collapse the given traces, which must all share the same UUID, in a single | |
934 | * one. | |
935 | * | |
936 | * The trace with the most expansive metadata is chosen and all other traces | |
a4c955d9 SM |
937 | * are merged into that one. On return, the elements of `traces` are nullptr |
938 | * and the merged trace is placed in `out_trace`. | |
41a65f30 SM |
939 | */ |
940 | ||
a4c955d9 | 941 | static int merge_ctf_fs_traces(std::vector<ctf_fs_trace::UP> traces, ctf_fs_trace::UP& out_trace) |
41a65f30 | 942 | { |
4164020e SM |
943 | unsigned int winner_count; |
944 | struct ctf_fs_trace *winner; | |
945 | guint i, winner_i; | |
946 | int ret = 0; | |
947 | ||
a4c955d9 | 948 | BT_ASSERT(traces.size() >= 2); |
4164020e | 949 | |
a4c955d9 SM |
950 | winner_count = metadata_count_stream_and_event_classes(traces[0].get()); |
951 | winner = traces[0].get(); | |
4164020e SM |
952 | winner_i = 0; |
953 | ||
954 | /* Find the trace with the largest metadata. */ | |
a4c955d9 SM |
955 | for (i = 1; i < traces.size(); i++) { |
956 | ctf_fs_trace *candidate = traces[i].get(); | |
4164020e SM |
957 | unsigned int candidate_count; |
958 | ||
4164020e SM |
959 | /* A bit of sanity check. */ |
960 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
961 | ||
962 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
963 | ||
964 | if (candidate_count > winner_count) { | |
965 | winner_count = candidate_count; | |
966 | winner = candidate; | |
967 | winner_i = i; | |
968 | } | |
969 | } | |
970 | ||
971 | /* Merge all the other traces in the winning trace. */ | |
a4c955d9 | 972 | for (ctf_fs_trace::UP& trace : traces) { |
4164020e | 973 | /* Don't merge the winner into itself. */ |
a4c955d9 | 974 | if (trace.get() == winner) { |
4164020e SM |
975 | continue; |
976 | } | |
977 | ||
978 | /* Merge trace's data stream file groups into winner's. */ | |
a4c955d9 | 979 | ret = merge_matching_ctf_fs_ds_file_groups(winner, std::move(trace)); |
4164020e SM |
980 | if (ret) { |
981 | goto end; | |
982 | } | |
983 | } | |
984 | ||
985 | /* | |
986 | * Move the winner out of the array, into `*out_trace`. | |
987 | */ | |
a4c955d9 | 988 | out_trace = std::move(traces[winner_i]); |
54ef52bd FD |
989 | |
990 | end: | |
4164020e | 991 | return ret; |
41a65f30 SM |
992 | } |
993 | ||
4164020e SM |
994 | enum target_event |
995 | { | |
996 | FIRST_EVENT, | |
997 | LAST_EVENT, | |
1719bf64 FD |
998 | }; |
999 | ||
4164020e SM |
1000 | static int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, |
1001 | struct ctf_clock_class *default_cc, | |
1002 | struct ctf_fs_ds_index_entry *index_entry, | |
1003 | enum target_event target_event, uint64_t *cs, | |
1004 | int64_t *ts_ns) | |
1719bf64 | 1005 | { |
4164020e | 1006 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
6d4acae3 | 1007 | ctf_msg_iter_up msg_iter; |
4164020e SM |
1008 | int ret = 0; |
1009 | ||
1010 | BT_ASSERT(ctf_fs_trace); | |
1011 | BT_ASSERT(index_entry); | |
1012 | BT_ASSERT(index_entry->path); | |
1013 | ||
21c7fd8b SM |
1014 | const auto ds_file = ctf_fs_ds_file_create(ctf_fs_trace, bt2::Stream::Shared {}, |
1015 | index_entry->path, ctf_fs_trace->logger); | |
4164020e | 1016 | if (!ds_file) { |
0f5c5d5c | 1017 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to create a ctf_fs_ds_file"); |
4164020e SM |
1018 | ret = -1; |
1019 | goto end; | |
1020 | } | |
1021 | ||
1022 | BT_ASSERT(ctf_fs_trace->metadata); | |
1023 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1024 | ||
0f5c5d5c | 1025 | msg_iter = ctf_msg_iter_create( |
6d4acae3 SM |
1026 | ctf_fs_trace->metadata->tc, |
1027 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
1028 | ctf_fs_ds_file_medops, ds_file.get(), NULL, ctf_fs_trace->logger); | |
4164020e SM |
1029 | if (!msg_iter) { |
1030 | /* ctf_msg_iter_create() logs errors. */ | |
1031 | ret = -1; | |
1032 | goto end; | |
1033 | } | |
1034 | ||
1035 | /* | |
1036 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1037 | * library objects (bt_field, bt_message_*, etc.). | |
1038 | */ | |
6d4acae3 | 1039 | ctf_msg_iter_set_dry_run(msg_iter.get(), true); |
4164020e SM |
1040 | |
1041 | /* Seek to the beginning of the target packet. */ | |
6d4acae3 | 1042 | iter_status = ctf_msg_iter_seek(msg_iter.get(), index_entry->offset.bytes()); |
4164020e SM |
1043 | if (iter_status) { |
1044 | /* ctf_msg_iter_seek() logs errors. */ | |
1045 | ret = -1; | |
1046 | goto end; | |
1047 | } | |
1048 | ||
1049 | switch (target_event) { | |
1050 | case FIRST_EVENT: | |
1051 | /* | |
1052 | * Start to decode the packet until we reach the end of | |
1053 | * the first event. To extract the first event's clock | |
1054 | * snapshot. | |
1055 | */ | |
6d4acae3 | 1056 | iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot(msg_iter.get(), cs); |
4164020e SM |
1057 | break; |
1058 | case LAST_EVENT: | |
1059 | /* Decode the packet to extract the last event's clock snapshot. */ | |
6d4acae3 | 1060 | iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot(msg_iter.get(), cs); |
4164020e SM |
1061 | break; |
1062 | default: | |
1063 | bt_common_abort(); | |
1064 | } | |
1065 | if (iter_status) { | |
1066 | ret = -1; | |
1067 | goto end; | |
1068 | } | |
1069 | ||
1070 | /* Convert clock snapshot to timestamp. */ | |
1071 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
1072 | *cs, default_cc->frequency, default_cc->offset_seconds, default_cc->offset_cycles, ts_ns); | |
1073 | if (ret) { | |
0f5c5d5c SM |
1074 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1075 | "Failed to convert clock snapshot to timestamp"); | |
4164020e SM |
1076 | goto end; |
1077 | } | |
1719bf64 FD |
1078 | |
1079 | end: | |
4164020e | 1080 | return ret; |
1719bf64 FD |
1081 | } |
1082 | ||
4164020e SM |
1083 | static int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1084 | struct ctf_clock_class *default_cc, | |
1085 | struct ctf_fs_ds_index_entry *index_entry, | |
1086 | uint64_t *cs, int64_t *ts_ns) | |
c43092a5 | 1087 | { |
4164020e SM |
1088 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, FIRST_EVENT, cs, |
1089 | ts_ns); | |
c43092a5 FD |
1090 | } |
1091 | ||
4164020e SM |
1092 | static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1093 | struct ctf_clock_class *default_cc, | |
1094 | struct ctf_fs_ds_index_entry *index_entry, | |
1095 | uint64_t *cs, int64_t *ts_ns) | |
1719bf64 | 1096 | { |
4164020e SM |
1097 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, LAST_EVENT, cs, |
1098 | ts_ns); | |
1719bf64 FD |
1099 | } |
1100 | ||
1101 | /* | |
1102 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1103 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1104 | * larger (after) than the timestamp_end of the their packets. | |
1105 | * | |
1106 | * To fix up this erroneous data we do the following: | |
1107 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1108 | * end time to the next packet's beginning time. | |
1109 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1110 | * time to the packet's last event's time, if any, or to the packet's | |
1111 | * beginning time otherwise. | |
1112 | * | |
1113 | * Known buggy tracer versions: | |
1114 | * - before lttng-ust 2.11.0 | |
1115 | * - before lttng-module 2.11.0 | |
1116 | * - before lttng-module 2.10.10 | |
1117 | * - before lttng-module 2.9.13 | |
1118 | */ | |
4164020e | 1119 | static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) |
1719bf64 | 1120 | { |
4164020e | 1121 | int ret = 0; |
4164020e | 1122 | |
cdf7de78 | 1123 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1124 | struct ctf_clock_class *default_cc; |
4164020e | 1125 | |
4164020e | 1126 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1127 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1128 | |
1129 | BT_ASSERT(index); | |
2fb7af12 | 1130 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1131 | |
1132 | /* | |
1133 | * Iterate over all entries but the last one. The last one is | |
1134 | * fixed differently after. | |
1135 | */ | |
2fb7af12 SM |
1136 | for (size_t entry_i = 0; entry_i < index->entries.size() - 1; ++entry_i) { |
1137 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
1138 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_i + 1].get(); | |
4164020e SM |
1139 | |
1140 | /* | |
1141 | * 1. Set the current index entry `end` timestamp to | |
1142 | * the next index entry `begin` timestamp. | |
1143 | */ | |
1144 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1145 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1146 | } | |
1147 | ||
1148 | /* | |
1149 | * 2. Fix the last entry by decoding the last event of the last | |
1150 | * packet. | |
1151 | */ | |
2fb7af12 | 1152 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1153 | BT_ASSERT(last_entry); |
1154 | ||
1155 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1156 | default_cc = ds_file_group->sc->default_clock_class; | |
1157 | ||
1158 | /* | |
1159 | * Decode packet to read the timestamp of the last event of the | |
1160 | * entry. | |
1161 | */ | |
1162 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1163 | &last_entry->timestamp_end, | |
1164 | &last_entry->timestamp_end_ns); | |
1165 | if (ret) { | |
0f5c5d5c SM |
1166 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1167 | trace->logger, | |
4164020e SM |
1168 | "Failed to decode stream's last packet to get its last event's clock snapshot."); |
1169 | goto end; | |
1170 | } | |
1171 | } | |
1719bf64 FD |
1172 | |
1173 | end: | |
4164020e | 1174 | return ret; |
1719bf64 FD |
1175 | } |
1176 | ||
c43092a5 FD |
1177 | /* |
1178 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1179 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1180 | * less than the timestamp_begin of the their packets. | |
1181 | * | |
1182 | * To fix up this erroneous data we do the following: | |
1183 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1184 | * current entry to the timestamp of the first event of the packet. | |
1185 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1186 | * current packet. | |
1187 | * | |
1188 | * Known buggy tracer versions: | |
1189 | * - before barectf 2.3.1 | |
1190 | */ | |
4164020e | 1191 | static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) |
c43092a5 | 1192 | { |
4164020e | 1193 | int ret = 0; |
4164020e | 1194 | |
cdf7de78 | 1195 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1196 | struct ctf_clock_class *default_cc; |
fe2f9cda | 1197 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1198 | |
1199 | BT_ASSERT(index); | |
2fb7af12 | 1200 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1201 | |
1202 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1203 | default_cc = ds_file_group->sc->default_clock_class; | |
1204 | ||
1205 | /* | |
1206 | * 1. Iterate over the index, starting from the second entry | |
1207 | * (index = 1). | |
1208 | */ | |
2fb7af12 SM |
1209 | for (size_t entry_i = 1; entry_i < index->entries.size(); ++entry_i) { |
1210 | ctf_fs_ds_index_entry *prev_entry = index->entries[entry_i - 1].get(); | |
1211 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
4164020e SM |
1212 | /* |
1213 | * 2. Set the current entry `begin` timestamp to the | |
1214 | * timestamp of the first event of the current packet. | |
1215 | */ | |
1216 | ret = decode_packet_first_event_timestamp(trace, default_cc, curr_entry, | |
1217 | &curr_entry->timestamp_begin, | |
1218 | &curr_entry->timestamp_begin_ns); | |
1219 | if (ret) { | |
0f5c5d5c SM |
1220 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1221 | "Failed to decode first event's clock snapshot"); | |
4164020e SM |
1222 | goto end; |
1223 | } | |
1224 | ||
1225 | /* | |
1226 | * 3. Set the previous entry `end` timestamp to the | |
1227 | * timestamp of the first event of the current packet. | |
1228 | */ | |
1229 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1230 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1231 | } | |
1232 | } | |
c43092a5 | 1233 | end: |
4164020e | 1234 | return ret; |
c43092a5 FD |
1235 | } |
1236 | ||
aada78b5 FD |
1237 | /* |
1238 | * When using the lttng-crash feature it's likely that the last packets of each | |
1239 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1240 | * the tracer crashed and was not able to properly close the packets. | |
1241 | * | |
1242 | * To fix up this erroneous data we do the following: | |
1243 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1244 | * timestamp_begin is not 0: | |
1245 | * - If it's the stream file's last packet: set the packet index entry's end | |
1246 | * time to the packet's last event's time, if any, or to the packet's | |
1247 | * beginning time otherwise. | |
1248 | * - If it's not the stream file's last packet: set the packet index | |
1249 | * entry's end time to the next packet's beginning time. | |
1250 | * | |
1251 | * Affected versions: | |
1252 | * - All current and future lttng-ust and lttng-modules versions. | |
1253 | */ | |
4164020e | 1254 | static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) |
aada78b5 | 1255 | { |
4164020e | 1256 | int ret = 0; |
4164020e | 1257 | |
cdf7de78 | 1258 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1259 | struct ctf_clock_class *default_cc; |
4164020e | 1260 | |
4164020e | 1261 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1262 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1263 | |
1264 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1265 | default_cc = ds_file_group->sc->default_clock_class; | |
1266 | ||
1267 | BT_ASSERT(index); | |
2fb7af12 | 1268 | BT_ASSERT(!index->entries.empty()); |
4164020e | 1269 | |
2fb7af12 | 1270 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1271 | BT_ASSERT(last_entry); |
1272 | ||
1273 | /* 1. Fix the last entry first. */ | |
1274 | if (last_entry->timestamp_end == 0 && last_entry->timestamp_begin != 0) { | |
1275 | /* | |
1276 | * Decode packet to read the timestamp of the | |
1277 | * last event of the stream file. | |
1278 | */ | |
1279 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1280 | &last_entry->timestamp_end, | |
1281 | &last_entry->timestamp_end_ns); | |
1282 | if (ret) { | |
0f5c5d5c SM |
1283 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1284 | "Failed to decode last event's clock snapshot"); | |
4164020e SM |
1285 | goto end; |
1286 | } | |
1287 | } | |
1288 | ||
1289 | /* Iterate over all entries but the last one. */ | |
2fb7af12 SM |
1290 | for (size_t entry_idx = 0; entry_idx < index->entries.size() - 1; ++entry_idx) { |
1291 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_idx].get(); | |
1292 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_idx + 1].get(); | |
4164020e SM |
1293 | |
1294 | if (curr_entry->timestamp_end == 0 && curr_entry->timestamp_begin != 0) { | |
1295 | /* | |
1296 | * 2. Set the current index entry `end` timestamp to | |
1297 | * the next index entry `begin` timestamp. | |
1298 | */ | |
1299 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1300 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1301 | } | |
1302 | } | |
1303 | } | |
aada78b5 FD |
1304 | |
1305 | end: | |
4164020e | 1306 | return ret; |
aada78b5 FD |
1307 | } |
1308 | ||
626cc488 FD |
1309 | /* |
1310 | * Extract the tracer information necessary to compare versions. | |
1311 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
1312 | * necessary fields are absents in the trace metadata. | |
1313 | */ | |
4164020e | 1314 | static int extract_tracer_info(struct ctf_fs_trace *trace, struct tracer_info *current_tracer_info) |
626cc488 | 1315 | { |
4164020e SM |
1316 | int ret = 0; |
1317 | struct ctf_trace_class_env_entry *entry; | |
1318 | ||
1319 | /* Clear the current_tracer_info struct */ | |
1320 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
1321 | ||
1322 | /* | |
1323 | * To compare 2 tracer versions, at least the tracer name and it's | |
1324 | * major version are needed. If one of these is missing, consider it an | |
1325 | * extraction failure. | |
1326 | */ | |
1327 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_name"); | |
1328 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
1329 | goto missing_bare_minimum; | |
1330 | } | |
1331 | ||
1332 | /* Set tracer name. */ | |
1333 | current_tracer_info->name = entry->value.str->str; | |
1334 | ||
1335 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_major"); | |
1336 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1337 | goto missing_bare_minimum; | |
1338 | } | |
1339 | ||
1340 | /* Set major version number. */ | |
1341 | current_tracer_info->major = entry->value.i; | |
1342 | ||
1343 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_minor"); | |
1344 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1345 | goto end; | |
1346 | } | |
1347 | ||
1348 | /* Set minor version number. */ | |
1349 | current_tracer_info->minor = entry->value.i; | |
1350 | ||
1351 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patch"); | |
1352 | if (!entry) { | |
1353 | /* | |
1354 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
1355 | * For example, `lttng-modules` uses entry name | |
1356 | * `tracer_patchlevel`. | |
1357 | */ | |
1358 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patchlevel"); | |
1359 | } | |
1360 | ||
1361 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1362 | goto end; | |
1363 | } | |
1364 | ||
1365 | /* Set patch version number. */ | |
1366 | current_tracer_info->patch = entry->value.i; | |
1367 | ||
1368 | goto end; | |
626cc488 FD |
1369 | |
1370 | missing_bare_minimum: | |
4164020e | 1371 | ret = -1; |
626cc488 | 1372 | end: |
4164020e | 1373 | return ret; |
626cc488 FD |
1374 | } |
1375 | ||
4164020e | 1376 | static bool is_tracer_affected_by_lttng_event_after_packet_bug(struct tracer_info *curr_tracer_info) |
1719bf64 | 1377 | { |
4164020e SM |
1378 | bool is_affected = false; |
1379 | ||
1380 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1381 | if (curr_tracer_info->major < 2) { | |
1382 | is_affected = true; | |
1383 | } else if (curr_tracer_info->major == 2) { | |
1384 | /* fixed in lttng-ust 2.11.0 */ | |
1385 | if (curr_tracer_info->minor < 11) { | |
1386 | is_affected = true; | |
1387 | } | |
1388 | } | |
1389 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1390 | if (curr_tracer_info->major < 2) { | |
1391 | is_affected = true; | |
1392 | } else if (curr_tracer_info->major == 2) { | |
1393 | /* fixed in lttng-modules 2.11.0 */ | |
1394 | if (curr_tracer_info->minor == 10) { | |
1395 | /* fixed in lttng-modules 2.10.10 */ | |
1396 | if (curr_tracer_info->patch < 10) { | |
1397 | is_affected = true; | |
1398 | } | |
1399 | } else if (curr_tracer_info->minor == 9) { | |
1400 | /* fixed in lttng-modules 2.9.13 */ | |
1401 | if (curr_tracer_info->patch < 13) { | |
1402 | is_affected = true; | |
1403 | } | |
1404 | } else if (curr_tracer_info->minor < 9) { | |
1405 | is_affected = true; | |
1406 | } | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | return is_affected; | |
1719bf64 FD |
1411 | } |
1412 | ||
4164020e SM |
1413 | static bool |
1414 | is_tracer_affected_by_barectf_event_before_packet_bug(struct tracer_info *curr_tracer_info) | |
c43092a5 | 1415 | { |
4164020e SM |
1416 | bool is_affected = false; |
1417 | ||
1418 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
1419 | if (curr_tracer_info->major < 2) { | |
1420 | is_affected = true; | |
1421 | } else if (curr_tracer_info->major == 2) { | |
1422 | if (curr_tracer_info->minor < 3) { | |
1423 | is_affected = true; | |
1424 | } else if (curr_tracer_info->minor == 3) { | |
1425 | /* fixed in barectf 2.3.1 */ | |
1426 | if (curr_tracer_info->patch < 1) { | |
1427 | is_affected = true; | |
1428 | } | |
1429 | } | |
1430 | } | |
1431 | } | |
1432 | ||
1433 | return is_affected; | |
c43092a5 FD |
1434 | } |
1435 | ||
4164020e | 1436 | static bool is_tracer_affected_by_lttng_crash_quirk(struct tracer_info *curr_tracer_info) |
aada78b5 | 1437 | { |
4164020e | 1438 | bool is_affected = false; |
aada78b5 | 1439 | |
4164020e SM |
1440 | /* All LTTng tracer may be affected by this lttng crash quirk. */ |
1441 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1442 | is_affected = true; | |
1443 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1444 | is_affected = true; | |
1445 | } | |
aada78b5 | 1446 | |
4164020e | 1447 | return is_affected; |
aada78b5 FD |
1448 | } |
1449 | ||
1719bf64 FD |
1450 | /* |
1451 | * Looks for trace produced by known buggy tracers and fix up the index | |
1452 | * produced earlier. | |
1453 | */ | |
0f5c5d5c | 1454 | static int fix_packet_index_tracer_bugs(ctf_fs_trace *trace) |
1719bf64 | 1455 | { |
4164020e SM |
1456 | int ret = 0; |
1457 | struct tracer_info current_tracer_info; | |
4164020e | 1458 | |
0f5c5d5c | 1459 | ret = extract_tracer_info(trace, ¤t_tracer_info); |
4164020e SM |
1460 | if (ret) { |
1461 | /* | |
1462 | * A trace may not have all the necessary environment | |
1463 | * entries to do the tracer version comparison. | |
1464 | * At least, the tracer name and major version number | |
1465 | * are needed. Failing to extract these entries is not | |
1466 | * an error. | |
1467 | */ | |
1468 | ret = 0; | |
0f5c5d5c SM |
1469 | BT_CPPLOGI_STR_SPEC( |
1470 | trace->logger, | |
1471 | "Cannot extract tracer information necessary to compare with buggy versions."); | |
4164020e | 1472 | goto end; |
4164020e SM |
1473 | } |
1474 | ||
1475 | /* Check if the trace may be affected by old tracer bugs. */ | |
1476 | if (is_tracer_affected_by_lttng_event_after_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1477 | BT_CPPLOGI_STR_SPEC( |
1478 | trace->logger, | |
1479 | "Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
1480 | ret = fix_index_lttng_event_after_packet_bug(trace); | |
4164020e | 1481 | if (ret) { |
0f5c5d5c SM |
1482 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1483 | "Failed to fix LTTng event-after-packet bug."); | |
4164020e SM |
1484 | goto end; |
1485 | } | |
0f5c5d5c | 1486 | trace->metadata->tc->quirks.lttng_event_after_packet = true; |
4164020e SM |
1487 | } |
1488 | ||
1489 | if (is_tracer_affected_by_barectf_event_before_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1490 | BT_CPPLOGI_STR_SPEC( |
1491 | trace->logger, | |
1492 | "Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
1493 | ret = fix_index_barectf_event_before_packet_bug(trace); | |
4164020e | 1494 | if (ret) { |
0f5c5d5c SM |
1495 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1496 | "Failed to fix barectf event-before-packet bug."); | |
4164020e SM |
1497 | goto end; |
1498 | } | |
0f5c5d5c | 1499 | trace->metadata->tc->quirks.barectf_event_before_packet = true; |
4164020e SM |
1500 | } |
1501 | ||
1502 | if (is_tracer_affected_by_lttng_crash_quirk(¤t_tracer_info)) { | |
0f5c5d5c | 1503 | ret = fix_index_lttng_crash_quirk(trace); |
4164020e | 1504 | if (ret) { |
0f5c5d5c SM |
1505 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1506 | "Failed to fix lttng-crash timestamp quirks."); | |
4164020e SM |
1507 | goto end; |
1508 | } | |
0f5c5d5c | 1509 | trace->metadata->tc->quirks.lttng_crash = true; |
4164020e | 1510 | } |
a0cd55ad | 1511 | |
1719bf64 | 1512 | end: |
4164020e | 1513 | return ret; |
1719bf64 FD |
1514 | } |
1515 | ||
cdf7de78 SM |
1516 | static bool compare_ds_file_groups_by_first_path(const ctf_fs_ds_file_group::UP& ds_file_group_a, |
1517 | const ctf_fs_ds_file_group::UP& ds_file_group_b) | |
e9b3611f | 1518 | { |
f3d74124 SM |
1519 | BT_ASSERT(!ds_file_group_a->ds_file_infos.empty()); |
1520 | BT_ASSERT(!ds_file_group_b->ds_file_infos.empty()); | |
087cd0f5 | 1521 | |
f3d74124 SM |
1522 | const auto& first_ds_file_info_a = *ds_file_group_a->ds_file_infos[0]; |
1523 | const auto& first_ds_file_info_b = *ds_file_group_b->ds_file_infos[0]; | |
087cd0f5 | 1524 | |
f3d74124 | 1525 | return first_ds_file_info_a.path < first_ds_file_info_b.path; |
e9b3611f PP |
1526 | } |
1527 | ||
4164020e SM |
1528 | int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs, |
1529 | const bt_value *paths_value, | |
1530 | const bt_value *trace_name_value, | |
0f5c5d5c | 1531 | bt_self_component *selfComp) |
f280892e | 1532 | { |
4164020e | 1533 | int ret = 0; |
8c65d462 | 1534 | std::vector<std::string> paths; |
a4c955d9 | 1535 | std::vector<ctf_fs_trace::UP> traces; |
4164020e SM |
1536 | const char *trace_name; |
1537 | ||
1538 | BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY); | |
1539 | BT_ASSERT(!bt_value_array_is_empty(paths_value)); | |
1540 | ||
4164020e SM |
1541 | trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL; |
1542 | ||
1543 | /* | |
1544 | * Create a sorted array of the paths, to make the execution of this | |
1545 | * component deterministic. | |
1546 | */ | |
8c65d462 | 1547 | for (std::uint64_t i = 0; i < bt_value_array_get_length(paths_value); i++) { |
4164020e SM |
1548 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); |
1549 | const char *input = bt_value_string_get(path_value); | |
8c65d462 | 1550 | paths.emplace_back(input); |
4164020e SM |
1551 | } |
1552 | ||
8c65d462 | 1553 | std::sort(paths.begin(), paths.end()); |
4164020e SM |
1554 | |
1555 | /* Create a separate ctf_fs_trace object for each path. */ | |
8c65d462 SM |
1556 | for (const auto& path : paths) { |
1557 | ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, path.c_str(), trace_name, | |
1558 | traces, selfComp); | |
4164020e SM |
1559 | if (ret) { |
1560 | goto end; | |
1561 | } | |
1562 | } | |
1563 | ||
a4c955d9 SM |
1564 | if (traces.size() > 1) { |
1565 | ctf_fs_trace *first_trace = traces[0].get(); | |
4164020e | 1566 | const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid; |
4164020e SM |
1567 | |
1568 | /* | |
1569 | * We have more than one trace, they must all share the same | |
1570 | * UUID, verify that. | |
1571 | */ | |
8c65d462 | 1572 | for (size_t i = 0; i < traces.size(); i++) { |
a4c955d9 | 1573 | ctf_fs_trace *this_trace = traces[i].get(); |
4164020e SM |
1574 | const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid; |
1575 | ||
1576 | if (!this_trace->metadata->tc->is_uuid_set) { | |
0f5c5d5c SM |
1577 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1578 | ctf_fs->logger, | |
1579 | "Multiple traces given, but a trace does not have a UUID: path={}", | |
cee8a466 | 1580 | this_trace->path); |
4164020e SM |
1581 | goto error; |
1582 | } | |
1583 | ||
1584 | if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) { | |
1585 | char first_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1586 | char this_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1587 | ||
1588 | bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str); | |
1589 | bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str); | |
1590 | ||
0f5c5d5c SM |
1591 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1592 | "Multiple traces given, but UUIDs don't match: " | |
1593 | "first-trace-uuid={}, first-trace-path={}, " | |
1594 | "trace-uuid={}, trace-path={}", | |
cee8a466 SM |
1595 | first_trace_uuid_str, first_trace->path, |
1596 | this_trace_uuid_str, this_trace->path); | |
4164020e SM |
1597 | goto error; |
1598 | } | |
1599 | } | |
1600 | ||
a4c955d9 | 1601 | ret = merge_ctf_fs_traces(std::move(traces), ctf_fs->trace); |
4164020e | 1602 | if (ret) { |
0f5c5d5c SM |
1603 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1604 | "Failed to merge traces with the same UUID."); | |
4164020e SM |
1605 | goto error; |
1606 | } | |
4164020e SM |
1607 | } else { |
1608 | /* Just one trace, it may or may not have a UUID, both are fine. */ | |
a4c955d9 | 1609 | ctf_fs->trace = std::move(traces[0]); |
4164020e SM |
1610 | } |
1611 | ||
7df773f2 | 1612 | ret = fix_packet_index_tracer_bugs(ctf_fs->trace.get()); |
4164020e | 1613 | if (ret) { |
0f5c5d5c | 1614 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to fix packet index tracer bugs."); |
4164020e SM |
1615 | } |
1616 | ||
1617 | /* | |
1618 | * Sort data stream file groups by first data stream file info | |
1619 | * path to get a deterministic order. This order influences the | |
1620 | * order of the output ports. It also influences the order of | |
1621 | * the automatic stream IDs if the trace's packet headers do not | |
1622 | * contain a `stream_instance_id` field, in which case the data | |
1623 | * stream file to stream ID association is always the same, | |
1624 | * whatever the build and the system. | |
1625 | * | |
1626 | * Having a deterministic order here can help debugging and | |
1627 | * testing. | |
1628 | */ | |
cdf7de78 SM |
1629 | std::sort(ctf_fs->trace->ds_file_groups.begin(), ctf_fs->trace->ds_file_groups.end(), |
1630 | compare_ds_file_groups_by_first_path); | |
4164020e | 1631 | goto end; |
8c65d462 | 1632 | |
a0cd55ad | 1633 | error: |
4164020e | 1634 | ret = -1; |
a0cd55ad | 1635 | |
f280892e | 1636 | end: |
4164020e | 1637 | return ret; |
f280892e SM |
1638 | } |
1639 | ||
2873fb8f SM |
1640 | static const std::string& |
1641 | get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_file_group) | |
a38d7650 | 1642 | { |
4164020e | 1643 | /* |
2873fb8f SM |
1644 | * The first (earliest) stream file's path is used as the stream's unique |
1645 | * name. | |
4164020e | 1646 | */ |
f3d74124 | 1647 | BT_ASSERT(!ds_file_group->ds_file_infos.empty()); |
2873fb8f | 1648 | return ds_file_group->ds_file_infos[0]->path; |
a38d7650 SM |
1649 | } |
1650 | ||
f280892e SM |
1651 | /* Create the IR stream objects for ctf_fs_trace. */ |
1652 | ||
4164020e | 1653 | static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) |
f280892e | 1654 | { |
4164020e | 1655 | int ret; |
4164020e | 1656 | |
cdf7de78 | 1657 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
2873fb8f | 1658 | const std::string& name = get_stream_instance_unique_name(ds_file_group.get()); |
4164020e | 1659 | |
f0940b01 SM |
1660 | BT_ASSERT(ds_file_group->sc->ir_sc); |
1661 | BT_ASSERT(ctf_fs_trace->trace); | |
1662 | ||
be215bcd SM |
1663 | bt_stream *stream; |
1664 | ||
f0940b01 SM |
1665 | if (ds_file_group->stream_id == UINT64_C(-1)) { |
1666 | /* No stream ID: use 0 */ | |
e44859b1 SM |
1667 | stream = |
1668 | bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace->libObjPtr(), | |
1669 | ctf_fs_trace->next_stream_id); | |
f0940b01 | 1670 | ctf_fs_trace->next_stream_id++; |
4164020e | 1671 | } else { |
f0940b01 | 1672 | /* Specific stream ID */ |
e44859b1 SM |
1673 | stream = |
1674 | bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace->libObjPtr(), | |
1675 | (uint64_t) ds_file_group->stream_id); | |
4164020e SM |
1676 | } |
1677 | ||
be215bcd | 1678 | if (!stream) { |
0f5c5d5c SM |
1679 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1680 | "Cannot create stream for DS file group: " | |
1681 | "addr={}, stream-name=\"{}\"", | |
2873fb8f | 1682 | fmt::ptr(ds_file_group), name); |
4164020e SM |
1683 | goto error; |
1684 | } | |
1685 | ||
be215bcd SM |
1686 | ds_file_group->stream = bt2::Stream::Shared::createWithoutRef(stream); |
1687 | ||
2873fb8f | 1688 | ret = bt_stream_set_name(ds_file_group->stream->libObjPtr(), name.c_str()); |
4164020e | 1689 | if (ret) { |
0f5c5d5c SM |
1690 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1691 | "Cannot set stream's name: " | |
1692 | "addr={}, stream-name=\"{}\"", | |
2873fb8f | 1693 | fmt::ptr(ds_file_group->stream->libObjPtr()), name); |
4164020e SM |
1694 | goto error; |
1695 | } | |
4164020e SM |
1696 | } |
1697 | ||
1698 | ret = 0; | |
1699 | goto end; | |
f280892e SM |
1700 | |
1701 | error: | |
4164020e | 1702 | ret = -1; |
f280892e SM |
1703 | |
1704 | end: | |
4164020e | 1705 | return ret; |
f280892e SM |
1706 | } |
1707 | ||
88730e42 SM |
1708 | static const bt_param_validation_value_descr inputs_elem_descr = |
1709 | bt_param_validation_value_descr::makeString(); | |
087cd0f5 SM |
1710 | |
1711 | static bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = { | |
88730e42 SM |
1712 | {"inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, |
1713 | bt_param_validation_value_descr::makeArray(1, BT_PARAM_VALIDATION_INFINITE, | |
1714 | inputs_elem_descr)}, | |
1715 | {"trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1716 | bt_param_validation_value_descr::makeString()}, | |
1717 | {"clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1718 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1719 | {"clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1720 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1721 | {"force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1722 | bt_param_validation_value_descr::makeBool()}, | |
4164020e SM |
1723 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END}; |
1724 | ||
1725 | bool read_src_fs_parameters(const bt_value *params, const bt_value **inputs, | |
0f5c5d5c | 1726 | const bt_value **trace_name, struct ctf_fs_component *ctf_fs) |
4164020e SM |
1727 | { |
1728 | bool ret; | |
1729 | const bt_value *value; | |
4164020e SM |
1730 | enum bt_param_validation_status validate_value_status; |
1731 | gchar *error = NULL; | |
1732 | ||
1733 | validate_value_status = bt_param_validation_validate(params, fs_params_entries_descr, &error); | |
1734 | if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) { | |
0f5c5d5c | 1735 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "{}", error); |
4164020e SM |
1736 | ret = false; |
1737 | goto end; | |
1738 | } | |
1739 | ||
1740 | /* inputs parameter */ | |
1741 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
1742 | ||
1743 | /* clock-class-offset-s parameter */ | |
1744 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-s"); | |
1745 | if (value) { | |
c942e7a2 | 1746 | ctf_fs->clkClsCfg.offsetSec = bt_value_integer_signed_get(value); |
4164020e SM |
1747 | } |
1748 | ||
1749 | /* clock-class-offset-ns parameter */ | |
1750 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-ns"); | |
1751 | if (value) { | |
c942e7a2 | 1752 | ctf_fs->clkClsCfg.offsetNanoSec = bt_value_integer_signed_get(value); |
4164020e SM |
1753 | } |
1754 | ||
1755 | /* force-clock-class-origin-unix-epoch parameter */ | |
1756 | value = bt_value_map_borrow_entry_value_const(params, "force-clock-class-origin-unix-epoch"); | |
1757 | if (value) { | |
c942e7a2 | 1758 | ctf_fs->clkClsCfg.forceOriginIsUnixEpoch = bt_value_bool_get(value); |
4164020e SM |
1759 | } |
1760 | ||
1761 | /* trace-name parameter */ | |
1762 | *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name"); | |
1763 | ||
1764 | ret = true; | |
d907165c SM |
1765 | |
1766 | end: | |
4164020e SM |
1767 | g_free(error); |
1768 | return ret; | |
d907165c SM |
1769 | } |
1770 | ||
f340a3e8 SM |
1771 | static ctf_fs_component::UP ctf_fs_create(const bt_value *params, |
1772 | bt_self_component_source *self_comp_src) | |
56a1cced | 1773 | { |
4164020e SM |
1774 | const bt_value *inputs_value; |
1775 | const bt_value *trace_name_value; | |
1776 | bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1777 | |
f340a3e8 | 1778 | ctf_fs_component::UP ctf_fs = ctf_fs_component_create( |
0f5c5d5c | 1779 | bt2c::Logger {bt2::SelfSourceComponent {self_comp_src}, "PLUGIN/SRC.CTF.FS/COMP"}); |
4164020e | 1780 | if (!ctf_fs) { |
f340a3e8 | 1781 | return nullptr; |
4164020e | 1782 | } |
f280892e | 1783 | |
f340a3e8 SM |
1784 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs.get())) { |
1785 | return nullptr; | |
4164020e | 1786 | } |
56a1cced | 1787 | |
f340a3e8 SM |
1788 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs.get(), inputs_value, trace_name_value, |
1789 | self_comp)) { | |
1790 | return nullptr; | |
4164020e | 1791 | } |
4f1f88a6 | 1792 | |
7df773f2 | 1793 | if (create_streams_for_trace(ctf_fs->trace.get())) { |
f340a3e8 | 1794 | return nullptr; |
4164020e | 1795 | } |
f280892e | 1796 | |
7df773f2 | 1797 | if (create_ports_for_trace(ctf_fs.get(), ctf_fs->trace.get(), self_comp_src)) { |
f340a3e8 | 1798 | return nullptr; |
4164020e | 1799 | } |
4f1f88a6 | 1800 | |
4164020e | 1801 | return ctf_fs; |
56a1cced JG |
1802 | } |
1803 | ||
50b9f4b5 SM |
1804 | bt_component_class_initialize_method_status ctf_fs_init(bt_self_component_source *self_comp_src, |
1805 | bt_self_component_source_configuration *, | |
1806 | const bt_value *params, void *) | |
ea0b4b9e | 1807 | { |
1e690349 | 1808 | try { |
1e690349 SM |
1809 | bt_component_class_initialize_method_status ret = |
1810 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
1811 | ||
f340a3e8 | 1812 | ctf_fs_component::UP ctf_fs = ctf_fs_create(params, self_comp_src); |
1e690349 SM |
1813 | if (!ctf_fs) { |
1814 | ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
1815 | } | |
ea0b4b9e | 1816 | |
f340a3e8 SM |
1817 | bt_self_component_set_data(bt_self_component_source_as_self_component(self_comp_src), |
1818 | ctf_fs.release()); | |
1e690349 SM |
1819 | return ret; |
1820 | } catch (const std::bad_alloc&) { | |
1821 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
1822 | } catch (const bt2::Error&) { | |
1823 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
4164020e | 1824 | } |
ea0b4b9e | 1825 | } |
33f93973 | 1826 | |
0f5c5d5c | 1827 | bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class_src, |
4164020e SM |
1828 | bt_private_query_executor *priv_query_exec, |
1829 | const char *object, const bt_value *params, | |
1830 | __attribute__((unused)) void *method_data, | |
1831 | const bt_value **result) | |
33f93973 | 1832 | { |
1e690349 | 1833 | try { |
1e690349 SM |
1834 | bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src}, |
1835 | bt2::PrivateQueryExecutor {priv_query_exec}, | |
1836 | "PLUGIN/SRC.CTF.FS/QUERY"}; | |
c02af779 SM |
1837 | bt2::ConstMapValue paramsObj(params); |
1838 | bt2::Value::Shared resultObj; | |
1e690349 SM |
1839 | |
1840 | if (strcmp(object, "metadata-info") == 0) { | |
c02af779 | 1841 | resultObj = metadata_info_query(paramsObj, logger); |
1e690349 | 1842 | } else if (strcmp(object, "babeltrace.trace-infos") == 0) { |
c02af779 | 1843 | resultObj = trace_infos_query(paramsObj, logger); |
1e690349 | 1844 | } else if (!strcmp(object, "babeltrace.support-info")) { |
c02af779 | 1845 | resultObj = support_info_query(paramsObj, logger); |
1e690349 SM |
1846 | } else { |
1847 | BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object); | |
c02af779 | 1848 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
1e690349 | 1849 | } |
c02af779 SM |
1850 | |
1851 | *result = resultObj.release().libObjPtr(); | |
1852 | ||
1853 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
1e690349 SM |
1854 | } catch (const std::bad_alloc&) { |
1855 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
1856 | } catch (const bt2::Error&) { | |
1857 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
1858 | } | |
33f93973 | 1859 | } |