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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" |
945312a2 | 18 | #include "cpp-common/bt2s/make-unique.hpp" |
c802cacb SM |
19 | |
20 | #include "plugins/common/param-validation/param-validation.h" | |
21 | ||
5656cea5 PP |
22 | #include "../common/src/metadata/tsdl/ctf-meta-configure-ir-trace.hpp" |
23 | #include "../common/src/msg-iter/msg-iter.hpp" | |
c802cacb SM |
24 | #include "data-stream-file.hpp" |
25 | #include "file.hpp" | |
26 | #include "fs.hpp" | |
27 | #include "metadata.hpp" | |
087cd0f5 | 28 | #include "query.hpp" |
e7a4393b | 29 | |
4164020e SM |
30 | struct tracer_info |
31 | { | |
32 | const char *name; | |
33 | int64_t major; | |
34 | int64_t minor; | |
35 | int64_t patch; | |
626cc488 FD |
36 | }; |
37 | ||
4164020e SM |
38 | static bt_message_iterator_class_next_method_status |
39 | ctf_fs_iterator_next_one(struct ctf_fs_msg_iter_data *msg_iter_data, const bt_message **out_msg) | |
ea0b4b9e | 40 | { |
4164020e | 41 | bt_message_iterator_class_next_method_status status; |
537fddc0 SM |
42 | const auto msg_iter_status = |
43 | ctf_msg_iter_get_next_message(msg_iter_data->msg_iter.get(), out_msg); | |
4164020e SM |
44 | |
45 | switch (msg_iter_status) { | |
46 | case CTF_MSG_ITER_STATUS_OK: | |
47 | /* Cool, message has been written to *out_msg. */ | |
48 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
49 | break; | |
50 | ||
51 | case CTF_MSG_ITER_STATUS_EOF: | |
52 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; | |
53 | break; | |
54 | ||
55 | case CTF_MSG_ITER_STATUS_AGAIN: | |
56 | /* | |
57 | * Should not make it this far as this is | |
58 | * medium-specific; there is nothing for the user to do | |
59 | * and it should have been handled upstream. | |
60 | */ | |
61 | bt_common_abort(); | |
62 | ||
63 | case CTF_MSG_ITER_STATUS_ERROR: | |
0f5c5d5c SM |
64 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
65 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
66 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
67 | break; | |
68 | ||
69 | case CTF_MSG_ITER_STATUS_MEMORY_ERROR: | |
0f5c5d5c SM |
70 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, |
71 | "Failed to get next message from CTF message iterator."); | |
4164020e SM |
72 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
73 | break; | |
74 | ||
75 | default: | |
76 | bt_common_abort(); | |
77 | } | |
78 | ||
79 | return status; | |
d4393e08 PP |
80 | } |
81 | ||
4164020e SM |
82 | bt_message_iterator_class_next_method_status |
83 | ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs, | |
84 | uint64_t capacity, uint64_t *count) | |
d4393e08 | 85 | { |
1e690349 SM |
86 | try { |
87 | bt_message_iterator_class_next_method_status status; | |
88 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
89 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator); | |
90 | uint64_t i = 0; | |
4164020e | 91 | |
1e690349 SM |
92 | if (G_UNLIKELY(msg_iter_data->next_saved_error)) { |
93 | /* | |
4164020e SM |
94 | * Last time we were called, we hit an error but had some |
95 | * messages to deliver, so we stashed the error here. Return | |
96 | * it now. | |
97 | */ | |
1e690349 SM |
98 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error); |
99 | status = msg_iter_data->next_saved_status; | |
100 | goto end; | |
4164020e | 101 | } |
4164020e | 102 | |
1e690349 SM |
103 | do { |
104 | status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]); | |
105 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { | |
106 | i++; | |
107 | } | |
108 | } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK); | |
109 | ||
110 | if (i > 0) { | |
111 | /* | |
4164020e SM |
112 | * Even if ctf_fs_iterator_next_one() returned something |
113 | * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we | |
114 | * accumulated message objects in the output | |
115 | * message array, so we need to return | |
116 | * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are | |
e7401568 | 117 | * transferred to downstream. This other status occurs |
4164020e SM |
118 | * again the next time muxer_msg_iter_do_next() is |
119 | * called, possibly without any accumulated | |
120 | * message, in which case we'll return it. | |
121 | */ | |
1e690349 SM |
122 | if (status < 0) { |
123 | /* | |
4164020e SM |
124 | * Save this error for the next _next call. Assume that |
125 | * this component always appends error causes when | |
126 | * returning an error status code, which will cause the | |
127 | * current thread error to be non-NULL. | |
128 | */ | |
1e690349 SM |
129 | msg_iter_data->next_saved_error = bt_current_thread_take_error(); |
130 | BT_ASSERT(msg_iter_data->next_saved_error); | |
131 | msg_iter_data->next_saved_status = status; | |
132 | } | |
4164020e | 133 | |
1e690349 SM |
134 | *count = i; |
135 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
136 | } | |
d4393e08 | 137 | |
cbca1c06 | 138 | end: |
1e690349 SM |
139 | return status; |
140 | return status; | |
141 | } catch (const std::bad_alloc&) { | |
142 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; | |
143 | } catch (const bt2::Error&) { | |
144 | return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; | |
145 | } | |
ea0b4b9e | 146 | } |
bfd20a42 | 147 | |
a3f0c7db | 148 | bt_message_iterator_class_seek_beginning_method_status |
d24d5663 | 149 | ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it) |
6a9bb5e9 | 150 | { |
1e690349 SM |
151 | try { |
152 | struct ctf_fs_msg_iter_data *msg_iter_data = | |
153 | (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it); | |
6a9bb5e9 | 154 | |
1e690349 | 155 | BT_ASSERT(msg_iter_data); |
6a9bb5e9 | 156 | |
537fddc0 | 157 | ctf_msg_iter_reset(msg_iter_data->msg_iter.get()); |
3cf88182 | 158 | ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data.get()); |
f6e68e70 | 159 | |
1e690349 SM |
160 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
161 | } catch (const std::bad_alloc&) { | |
162 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_MEMORY_ERROR; | |
163 | } catch (const bt2::Error&) { | |
164 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_ERROR; | |
165 | } | |
6a9bb5e9 PP |
166 | } |
167 | ||
d6e69534 | 168 | void ctf_fs_iterator_finalize(bt_self_message_iterator *it) |
760051fa | 169 | { |
adf452d1 SM |
170 | ctf_fs_msg_iter_data::UP { |
171 | (static_cast<ctf_fs_msg_iter_data *>(bt_self_message_iterator_get_data(it)))}; | |
760051fa JG |
172 | } |
173 | ||
4164020e SM |
174 | static bt_message_iterator_class_initialize_method_status |
175 | ctf_msg_iter_medium_status_to_msg_iter_initialize_status(enum ctf_msg_iter_medium_status status) | |
1b7b1ef9 | 176 | { |
4164020e SM |
177 | switch (status) { |
178 | case CTF_MSG_ITER_MEDIUM_STATUS_EOF: | |
179 | case CTF_MSG_ITER_MEDIUM_STATUS_AGAIN: | |
180 | case CTF_MSG_ITER_MEDIUM_STATUS_ERROR: | |
181 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
182 | case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR: | |
183 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
184 | case CTF_MSG_ITER_MEDIUM_STATUS_OK: | |
185 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
186 | } | |
187 | ||
188 | bt_common_abort(); | |
1b7b1ef9 SM |
189 | } |
190 | ||
4164020e SM |
191 | bt_message_iterator_class_initialize_method_status |
192 | ctf_fs_iterator_init(bt_self_message_iterator *self_msg_iter, | |
193 | bt_self_message_iterator_configuration *config, | |
194 | bt_self_component_port_output *self_port) | |
4c1456f0 | 195 | { |
1e690349 SM |
196 | try { |
197 | struct ctf_fs_port_data *port_data; | |
198 | bt_message_iterator_class_initialize_method_status status; | |
199 | enum ctf_msg_iter_medium_status medium_status; | |
200 | ||
201 | port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data( | |
202 | bt_self_component_port_output_as_self_component_port(self_port)); | |
203 | BT_ASSERT(port_data); | |
204 | ||
adf452d1 | 205 | auto msg_iter_data = bt2s::make_unique<ctf_fs_msg_iter_data>(self_msg_iter); |
1e690349 SM |
206 | msg_iter_data->ds_file_group = port_data->ds_file_group; |
207 | ||
208 | medium_status = ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, | |
209 | self_msg_iter, msg_iter_data->logger, | |
3cf88182 | 210 | msg_iter_data->msg_iter_medops_data); |
1e690349 SM |
211 | BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK || |
212 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR || | |
213 | medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR); | |
214 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
215 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
216 | "Failed to create ctf_fs_ds_group_medops"); | |
217 | status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status); | |
218 | goto error; | |
219 | } | |
4164020e | 220 | |
537fddc0 SM |
221 | msg_iter_data->msg_iter = ctf_msg_iter_create( |
222 | msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc, | |
223 | bt_common_get_page_size(static_cast<int>(msg_iter_data->logger.level())) * 8, | |
224 | ctf_fs_ds_group_medops, msg_iter_data->msg_iter_medops_data.get(), self_msg_iter, | |
225 | msg_iter_data->logger); | |
1e690349 SM |
226 | if (!msg_iter_data->msg_iter) { |
227 | BT_CPPLOGE_APPEND_CAUSE_SPEC(msg_iter_data->logger, | |
228 | "Cannot create a CTF message iterator."); | |
229 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
230 | goto error; | |
231 | } | |
4164020e | 232 | |
1e690349 | 233 | /* |
4164020e SM |
234 | * This iterator can seek forward if its stream class has a default |
235 | * clock class. | |
236 | */ | |
1e690349 SM |
237 | if (msg_iter_data->ds_file_group->sc->default_clock_class) { |
238 | bt_self_message_iterator_configuration_set_can_seek_forward(config, true); | |
239 | } | |
4164020e | 240 | |
adf452d1 | 241 | bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data.release()); |
4164020e | 242 | |
1e690349 SM |
243 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; |
244 | goto end; | |
5b29e799 | 245 | |
4f1f88a6 | 246 | error: |
1e690349 | 247 | bt_self_message_iterator_set_data(self_msg_iter, NULL); |
4f1f88a6 | 248 | |
760051fa | 249 | end: |
1e690349 SM |
250 | return status; |
251 | } catch (const std::bad_alloc&) { | |
252 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
253 | } catch (const bt2::Error&) { | |
254 | return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
255 | } | |
760051fa JG |
256 | } |
257 | ||
4164020e | 258 | static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace) |
a0cd55ad | 259 | { |
4164020e SM |
260 | if (!ctf_fs_trace) { |
261 | return; | |
262 | } | |
a0cd55ad | 263 | |
4164020e | 264 | BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace); |
a0cd55ad | 265 | |
4164020e SM |
266 | if (ctf_fs_trace->path) { |
267 | g_string_free(ctf_fs_trace->path, TRUE); | |
268 | } | |
a0cd55ad | 269 | |
4164020e SM |
270 | if (ctf_fs_trace->metadata) { |
271 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
afb0f12b | 272 | delete ctf_fs_trace->metadata; |
4164020e | 273 | } |
a0cd55ad | 274 | |
afb0f12b | 275 | delete ctf_fs_trace; |
a0cd55ad SM |
276 | } |
277 | ||
7df773f2 SM |
278 | void ctf_fs_trace_deleter::operator()(ctf_fs_trace * const trace) noexcept |
279 | { | |
280 | ctf_fs_trace_destroy(trace); | |
281 | } | |
282 | ||
f340a3e8 | 283 | ctf_fs_component::UP ctf_fs_component_create(const bt2c::Logger& parentLogger) |
a4792757 | 284 | { |
57ec0a35 | 285 | return bt2s::make_unique<ctf_fs_component>(parentLogger); |
f280892e SM |
286 | } |
287 | ||
288 | void ctf_fs_finalize(bt_self_component_source *component) | |
289 | { | |
57ec0a35 SM |
290 | ctf_fs_component::UP {static_cast<ctf_fs_component *>( |
291 | bt_self_component_get_data(bt_self_component_source_as_self_component(component)))}; | |
5b29e799 JG |
292 | } |
293 | ||
49b956cc | 294 | bt2c::GCharUP ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group) |
547eacf1 | 295 | { |
4164020e SM |
296 | GString *name = g_string_new(NULL); |
297 | ||
298 | /* | |
299 | * The unique port name is generated by concatenating unique identifiers | |
300 | * for: | |
301 | * | |
302 | * - the trace | |
303 | * - the stream class | |
304 | * - the stream | |
305 | */ | |
306 | ||
307 | /* For the trace, use the uuid if present, else the path. */ | |
308 | if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) { | |
309 | char uuid_str[BT_UUID_STR_LEN + 1]; | |
310 | ||
311 | bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str); | |
312 | g_string_assign(name, uuid_str); | |
313 | } else { | |
314 | g_string_assign(name, ds_file_group->ctf_fs_trace->path->str); | |
315 | } | |
316 | ||
317 | /* | |
318 | * For the stream class, use the id if present. We can omit this field | |
319 | * otherwise, as there will only be a single stream class. | |
320 | */ | |
321 | if (ds_file_group->sc->id != UINT64_C(-1)) { | |
322 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id); | |
323 | } | |
324 | ||
325 | /* For the stream, use the id if present, else, use the path. */ | |
326 | if (ds_file_group->stream_id != UINT64_C(-1)) { | |
327 | g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id); | |
328 | } else { | |
f3d74124 SM |
329 | BT_ASSERT(ds_file_group->ds_file_infos.size() == 1); |
330 | const auto& ds_file_info = *ds_file_group->ds_file_infos[0]; | |
331 | g_string_append_printf(name, " | %s", ds_file_info.path.c_str()); | |
4164020e SM |
332 | } |
333 | ||
49b956cc | 334 | return bt2c::GCharUP {g_string_free(name, FALSE)}; |
547eacf1 PP |
335 | } |
336 | ||
ce11b8c4 | 337 | static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
4164020e SM |
338 | struct ctf_fs_ds_file_group *ds_file_group, |
339 | bt_self_component_source *self_comp_src) | |
5b29e799 | 340 | { |
4164020e | 341 | int ret = 0; |
945312a2 | 342 | ctf_fs_port_data::UP port_data; |
4164020e | 343 | |
49b956cc | 344 | bt2c::GCharUP port_name = ctf_fs_make_port_name(ds_file_group); |
4164020e SM |
345 | if (!port_name) { |
346 | goto error; | |
347 | } | |
348 | ||
49b956cc | 349 | BT_CPPLOGI_SPEC(ctf_fs->logger, "Creating one port named `{}`", port_name.get()); |
4164020e SM |
350 | |
351 | /* Create output port for this file */ | |
945312a2 | 352 | port_data = bt2s::make_unique<ctf_fs_port_data>(); |
4164020e SM |
353 | port_data->ctf_fs = ctf_fs; |
354 | port_data->ds_file_group = ds_file_group; | |
945312a2 SM |
355 | ret = bt_self_component_source_add_output_port(self_comp_src, port_name.get(), port_data.get(), |
356 | NULL); | |
4164020e SM |
357 | if (ret) { |
358 | goto error; | |
359 | } | |
360 | ||
945312a2 | 361 | ctf_fs->port_data.emplace_back(std::move(port_data)); |
4164020e | 362 | goto end; |
4f1f88a6 PP |
363 | |
364 | error: | |
4164020e | 365 | ret = -1; |
4f1f88a6 PP |
366 | |
367 | end: | |
4164020e | 368 | return ret; |
5b29e799 JG |
369 | } |
370 | ||
4164020e SM |
371 | static int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
372 | struct ctf_fs_trace *ctf_fs_trace, | |
373 | bt_self_component_source *self_comp_src) | |
94cf822e | 374 | { |
4164020e | 375 | int ret = 0; |
4164020e SM |
376 | |
377 | /* Create one output port for each stream file group */ | |
cdf7de78 SM |
378 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
379 | ret = create_one_port_for_trace(ctf_fs, ds_file_group.get(), self_comp_src); | |
4164020e | 380 | if (ret) { |
0f5c5d5c | 381 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create output port."); |
4164020e SM |
382 | goto end; |
383 | } | |
384 | } | |
94cf822e PP |
385 | |
386 | end: | |
4164020e | 387 | return ret; |
94cf822e PP |
388 | } |
389 | ||
41a65f30 SM |
390 | /* |
391 | * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right | |
392 | * place to keep it sorted. | |
393 | */ | |
394 | ||
4164020e | 395 | static void ds_file_group_insert_ds_file_info_sorted(struct ctf_fs_ds_file_group *ds_file_group, |
f3d74124 | 396 | ctf_fs_ds_file_info::UP ds_file_info) |
41a65f30 | 397 | { |
4164020e | 398 | /* Find the spot where to insert this ds_file_info. */ |
f3d74124 | 399 | auto it = ds_file_group->ds_file_infos.begin(); |
41a65f30 | 400 | |
f3d74124 SM |
401 | for (; it != ds_file_group->ds_file_infos.end(); ++it) { |
402 | const ctf_fs_ds_file_info& other_ds_file_info = **it; | |
403 | ||
404 | if (ds_file_info->begin_ns < other_ds_file_info.begin_ns) { | |
4164020e SM |
405 | break; |
406 | } | |
407 | } | |
41a65f30 | 408 | |
f3d74124 | 409 | ds_file_group->ds_file_infos.insert(it, std::move(ds_file_info)); |
41a65f30 SM |
410 | } |
411 | ||
4164020e SM |
412 | static bool ds_index_entries_equal(const struct ctf_fs_ds_index_entry *left, |
413 | const struct ctf_fs_ds_index_entry *right) | |
1505f33a | 414 | { |
ef7d7ac2 | 415 | if (left->packetSize != right->packetSize) { |
4164020e SM |
416 | return false; |
417 | } | |
1505f33a | 418 | |
4164020e SM |
419 | if (left->timestamp_begin != right->timestamp_begin) { |
420 | return false; | |
421 | } | |
1505f33a | 422 | |
4164020e SM |
423 | if (left->timestamp_end != right->timestamp_end) { |
424 | return false; | |
425 | } | |
1505f33a | 426 | |
4164020e SM |
427 | if (left->packet_seq_num != right->packet_seq_num) { |
428 | return false; | |
429 | } | |
1505f33a | 430 | |
4164020e | 431 | return true; |
1505f33a SM |
432 | } |
433 | ||
434 | /* | |
435 | * Insert `entry` into `index`, without duplication. | |
436 | * | |
437 | * The entry is inserted only if there isn't an identical entry already. | |
438 | * | |
439 | * In any case, the ownership of `entry` is transferred to this function. So if | |
440 | * the entry is not inserted, it is freed. | |
441 | */ | |
442 | ||
4164020e | 443 | static void ds_index_insert_ds_index_entry_sorted(struct ctf_fs_ds_index *index, |
2fb7af12 | 444 | ctf_fs_ds_index_entry::UP entry) |
7ed5243a | 445 | { |
4164020e | 446 | /* Find the spot where to insert this index entry. */ |
2fb7af12 SM |
447 | auto otherEntry = index->entries.begin(); |
448 | for (; otherEntry != index->entries.end(); ++otherEntry) { | |
449 | if (entry->timestamp_begin_ns <= (*otherEntry)->timestamp_begin_ns) { | |
4164020e SM |
450 | break; |
451 | } | |
452 | } | |
453 | ||
454 | /* | |
455 | * Insert the entry only if a duplicate doesn't already exist. | |
456 | * | |
457 | * There can be duplicate packets if reading multiple overlapping | |
458 | * snapshots of the same trace. We then want the index to contain | |
459 | * a reference to only one copy of that packet. | |
460 | */ | |
2fb7af12 SM |
461 | if (otherEntry == index->entries.end() || |
462 | !ds_index_entries_equal(entry.get(), otherEntry->get())) { | |
463 | index->entries.insert(otherEntry, std::move(entry)); | |
4164020e | 464 | } |
ce75de14 SM |
465 | } |
466 | ||
fe2f9cda | 467 | static void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, ctf_fs_ds_index::UP src) |
ce75de14 | 468 | { |
2fb7af12 SM |
469 | for (auto& entry : src->entries) { |
470 | ds_index_insert_ds_index_entry_sorted(dest, std::move(entry)); | |
4164020e | 471 | } |
7ed5243a FD |
472 | } |
473 | ||
4164020e | 474 | static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const char *path) |
94cf822e | 475 | { |
4164020e SM |
476 | int64_t stream_instance_id = -1; |
477 | int64_t begin_ns = -1; | |
478 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
fe2e19c4 | 479 | ctf_fs_ds_file_group::UP new_ds_file_group; |
4164020e | 480 | int ret; |
f3d74124 | 481 | ctf_fs_ds_file_info::UP ds_file_info; |
fe2f9cda | 482 | ctf_fs_ds_index::UP index; |
4420a5b6 | 483 | ctf_msg_iter_up msg_iter; |
4164020e SM |
484 | struct ctf_stream_class *sc = NULL; |
485 | struct ctf_msg_iter_packet_properties props; | |
4164020e SM |
486 | |
487 | /* | |
488 | * Create a temporary ds_file to read some properties about the data | |
489 | * stream file. | |
490 | */ | |
884feb7c SM |
491 | const auto ds_file = |
492 | ctf_fs_ds_file_create(ctf_fs_trace, bt2::Stream::Shared {}, path, ctf_fs_trace->logger); | |
4164020e SM |
493 | if (!ds_file) { |
494 | goto error; | |
495 | } | |
496 | ||
497 | /* Create a temporary iterator to read the ds_file. */ | |
0f5c5d5c | 498 | msg_iter = ctf_msg_iter_create( |
4420a5b6 SM |
499 | ctf_fs_trace->metadata->tc, |
500 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
501 | ctf_fs_ds_file_medops, ds_file.get(), nullptr, ctf_fs_trace->logger); | |
4164020e | 502 | if (!msg_iter) { |
0f5c5d5c | 503 | BT_CPPLOGE_STR_SPEC(ctf_fs_trace->logger, "Cannot create a CTF message iterator."); |
4164020e SM |
504 | goto error; |
505 | } | |
506 | ||
4420a5b6 | 507 | ctf_msg_iter_set_dry_run(msg_iter.get(), true); |
4164020e | 508 | |
4420a5b6 | 509 | ret = ctf_msg_iter_get_packet_properties(msg_iter.get(), &props); |
4164020e | 510 | if (ret) { |
0f5c5d5c SM |
511 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
512 | ctf_fs_trace->logger, | |
513 | "Cannot get stream file's first packet's header and context fields (`{}`).", path); | |
4164020e SM |
514 | goto error; |
515 | } | |
516 | ||
517 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id); | |
518 | BT_ASSERT(sc); | |
519 | stream_instance_id = props.data_stream_id; | |
520 | ||
521 | if (props.snapshots.beginning_clock != UINT64_C(-1)) { | |
522 | BT_ASSERT(sc->default_clock_class); | |
523 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
524 | props.snapshots.beginning_clock, sc->default_clock_class->frequency, | |
525 | sc->default_clock_class->offset_seconds, sc->default_clock_class->offset_cycles, | |
526 | &begin_ns); | |
527 | if (ret) { | |
0f5c5d5c SM |
528 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
529 | ctf_fs_trace->logger, | |
530 | "Cannot convert clock cycles to nanoseconds from origin (`{}`).", path); | |
4164020e SM |
531 | goto error; |
532 | } | |
533 | } | |
534 | ||
f3d74124 | 535 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); |
4164020e SM |
536 | if (!ds_file_info) { |
537 | goto error; | |
538 | } | |
539 | ||
4420a5b6 | 540 | index = ctf_fs_ds_file_build_index(ds_file.get(), ds_file_info.get(), msg_iter.get()); |
4164020e | 541 | if (!index) { |
0f5c5d5c | 542 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to index CTF stream file \'{}\'", |
a39d9817 | 543 | ds_file->file->path); |
4164020e SM |
544 | goto error; |
545 | } | |
546 | ||
547 | if (begin_ns == -1) { | |
548 | /* | |
549 | * No beginning timestamp to sort the stream files | |
550 | * within a stream file group, so consider that this | |
551 | * file must be the only one within its group. | |
552 | */ | |
553 | stream_instance_id = -1; | |
554 | } | |
555 | ||
556 | if (stream_instance_id == -1) { | |
557 | /* | |
558 | * No stream instance ID or no beginning timestamp: | |
559 | * create a unique stream file group for this stream | |
560 | * file because, even if there's a stream instance ID, | |
561 | * there's no timestamp to order the file within its | |
562 | * group. | |
563 | */ | |
fe2f9cda SM |
564 | new_ds_file_group = |
565 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), std::move(index)); | |
4164020e | 566 | |
fe2e19c4 | 567 | if (!new_ds_file_group) { |
4164020e SM |
568 | goto error; |
569 | } | |
570 | ||
f3d74124 | 571 | ds_file_group_insert_ds_file_info_sorted(new_ds_file_group.get(), std::move(ds_file_info)); |
cdf7de78 | 572 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e SM |
573 | goto end; |
574 | } | |
575 | ||
576 | BT_ASSERT(stream_instance_id != -1); | |
577 | BT_ASSERT(begin_ns != -1); | |
578 | ||
579 | /* Find an existing stream file group with this ID */ | |
cdf7de78 SM |
580 | for (const auto& candidate : ctf_fs_trace->ds_file_groups) { |
581 | if (candidate->sc == sc && candidate->stream_id == stream_instance_id) { | |
582 | ds_file_group = candidate.get(); | |
4164020e SM |
583 | break; |
584 | } | |
4164020e SM |
585 | } |
586 | ||
587 | if (!ds_file_group) { | |
fe2e19c4 | 588 | new_ds_file_group = |
fe2f9cda | 589 | ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, std::move(index)); |
fe2e19c4 | 590 | if (!new_ds_file_group) { |
4164020e SM |
591 | goto error; |
592 | } | |
593 | ||
fe2e19c4 | 594 | ds_file_group = new_ds_file_group.get(); |
cdf7de78 | 595 | ctf_fs_trace->ds_file_groups.emplace_back(std::move(new_ds_file_group)); |
4164020e | 596 | } else { |
fe2f9cda | 597 | merge_ctf_fs_ds_indexes(ds_file_group->index.get(), std::move(index)); |
4164020e SM |
598 | } |
599 | ||
f3d74124 | 600 | ds_file_group_insert_ds_file_info_sorted(ds_file_group, std::move(ds_file_info)); |
4164020e SM |
601 | |
602 | goto end; | |
94cf822e PP |
603 | |
604 | error: | |
4164020e | 605 | ret = -1; |
94cf822e PP |
606 | |
607 | end: | |
4164020e | 608 | return ret; |
94cf822e PP |
609 | } |
610 | ||
4164020e | 611 | static int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) |
e7a4393b | 612 | { |
4164020e SM |
613 | int ret = 0; |
614 | const char *basename; | |
615 | GError *error = NULL; | |
616 | GDir *dir = NULL; | |
4164020e SM |
617 | |
618 | /* Check each file in the path directory, except specific ones */ | |
619 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); | |
620 | if (!dir) { | |
0f5c5d5c SM |
621 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
622 | "Cannot open directory `{}`: {} (code {})", | |
623 | ctf_fs_trace->path->str, error->message, error->code); | |
4164020e SM |
624 | goto error; |
625 | } | |
626 | ||
627 | while ((basename = g_dir_read_name(dir))) { | |
4164020e SM |
628 | if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) { |
629 | /* Ignore the metadata stream. */ | |
0f5c5d5c SM |
630 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
631 | "Ignoring metadata file `{}" G_DIR_SEPARATOR_S "{}`", | |
632 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
633 | continue; |
634 | } | |
635 | ||
636 | if (basename[0] == '.') { | |
0f5c5d5c SM |
637 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, |
638 | "Ignoring hidden file `{}" G_DIR_SEPARATOR_S "{}`", | |
639 | ctf_fs_trace->path->str, basename); | |
4164020e SM |
640 | continue; |
641 | } | |
642 | ||
643 | /* Create the file. */ | |
2b6f09e0 | 644 | const auto file = ctf_fs_file_create(ctf_fs_trace->logger); |
4164020e | 645 | if (!file) { |
0f5c5d5c SM |
646 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
647 | ctf_fs_trace->logger, | |
648 | "Cannot create stream file object for file `{}" G_DIR_SEPARATOR_S "{}`", | |
4164020e SM |
649 | ctf_fs_trace->path->str, basename); |
650 | goto error; | |
651 | } | |
652 | ||
653 | /* Create full path string. */ | |
a39d9817 SM |
654 | file->path = fmt::format("{}" G_DIR_SEPARATOR_S "{}", ctf_fs_trace->path->str, basename); |
655 | ||
656 | if (!g_file_test(file->path.c_str(), G_FILE_TEST_IS_REGULAR)) { | |
657 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring non-regular file `{}`", file->path); | |
4164020e SM |
658 | continue; |
659 | } | |
660 | ||
2b6f09e0 | 661 | ret = ctf_fs_file_open(file.get(), "rb"); |
4164020e | 662 | if (ret) { |
0f5c5d5c | 663 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Cannot open stream file `{}`", |
a39d9817 | 664 | file->path); |
4164020e SM |
665 | goto error; |
666 | } | |
667 | ||
668 | if (file->size == 0) { | |
669 | /* Skip empty stream. */ | |
a39d9817 | 670 | BT_CPPLOGI_SPEC(ctf_fs_trace->logger, "Ignoring empty file `{}`", file->path); |
4164020e SM |
671 | continue; |
672 | } | |
673 | ||
a39d9817 | 674 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, file->path.c_str()); |
4164020e | 675 | if (ret) { |
0f5c5d5c SM |
676 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
677 | "Cannot add stream file `{}` to stream file group", | |
a39d9817 | 678 | file->path); |
4164020e SM |
679 | goto error; |
680 | } | |
4164020e SM |
681 | } |
682 | ||
683 | goto end; | |
4f1f88a6 | 684 | |
e7a4393b | 685 | error: |
4164020e | 686 | ret = -1; |
4f1f88a6 | 687 | |
e7a4393b | 688 | end: |
4164020e SM |
689 | if (dir) { |
690 | g_dir_close(dir); | |
691 | dir = NULL; | |
692 | } | |
4f1f88a6 | 693 | |
4164020e SM |
694 | if (error) { |
695 | g_error_free(error); | |
696 | } | |
5b29e799 | 697 | |
4164020e | 698 | return ret; |
5b29e799 JG |
699 | } |
700 | ||
0f5c5d5c | 701 | static int set_trace_name(bt_trace *trace, const char *name_suffix, const bt2c::Logger& logger) |
862ca4ed | 702 | { |
4164020e SM |
703 | int ret = 0; |
704 | const bt_value *val; | |
705 | GString *name; | |
706 | ||
707 | name = g_string_new(NULL); | |
708 | if (!name) { | |
0f5c5d5c | 709 | BT_CPPLOGE_STR_SPEC(logger, "Failed to allocate a GString."); |
4164020e SM |
710 | ret = -1; |
711 | goto end; | |
712 | } | |
713 | ||
714 | /* | |
715 | * Check if we have a trace environment string value named `hostname`. | |
716 | * If so, use it as the trace name's prefix. | |
717 | */ | |
718 | val = bt_trace_borrow_environment_entry_value_by_name_const(trace, "hostname"); | |
719 | if (val && bt_value_is_string(val)) { | |
720 | g_string_append(name, bt_value_string_get(val)); | |
721 | ||
722 | if (name_suffix) { | |
723 | g_string_append_c(name, G_DIR_SEPARATOR); | |
724 | } | |
725 | } | |
726 | ||
727 | if (name_suffix) { | |
728 | g_string_append(name, name_suffix); | |
729 | } | |
730 | ||
731 | ret = bt_trace_set_name(trace, name->str); | |
732 | if (ret) { | |
733 | goto end; | |
734 | } | |
735 | ||
736 | goto end; | |
862ca4ed PP |
737 | |
738 | end: | |
4164020e SM |
739 | if (name) { |
740 | g_string_free(name, TRUE); | |
741 | } | |
862ca4ed | 742 | |
4164020e | 743 | return ret; |
862ca4ed PP |
744 | } |
745 | ||
2ca337f1 SM |
746 | static ctf_fs_trace::UP ctf_fs_trace_create(const char *path, const char *name, |
747 | const ctf::src::ClkClsCfg& clkClsCfg, | |
748 | bt_self_component *selfComp, | |
749 | const bt2c::Logger& parentLogger) | |
1a9f7075 | 750 | { |
4164020e SM |
751 | int ret; |
752 | ||
2ca337f1 | 753 | ctf_fs_trace::UP ctf_fs_trace {new struct ctf_fs_trace(parentLogger)}; |
4164020e SM |
754 | ctf_fs_trace->path = g_string_new(path); |
755 | if (!ctf_fs_trace->path) { | |
756 | goto error; | |
757 | } | |
758 | ||
afb0f12b | 759 | ctf_fs_trace->metadata = new ctf_fs_metadata; |
4164020e | 760 | ctf_fs_metadata_init(ctf_fs_trace->metadata); |
4164020e | 761 | |
2ca337f1 | 762 | ret = ctf_fs_metadata_set_trace_class(selfComp, ctf_fs_trace.get(), clkClsCfg); |
4164020e SM |
763 | if (ret) { |
764 | goto error; | |
765 | } | |
766 | ||
767 | if (ctf_fs_trace->metadata->trace_class) { | |
768 | ctf_fs_trace->trace = bt_trace_create(ctf_fs_trace->metadata->trace_class); | |
769 | if (!ctf_fs_trace->trace) { | |
770 | goto error; | |
771 | } | |
772 | } | |
773 | ||
774 | if (ctf_fs_trace->trace) { | |
775 | ret = ctf_trace_class_configure_ir_trace(ctf_fs_trace->metadata->tc, ctf_fs_trace->trace); | |
776 | if (ret) { | |
777 | goto error; | |
778 | } | |
779 | ||
0f5c5d5c | 780 | ret = set_trace_name(ctf_fs_trace->trace, name, ctf_fs_trace->logger); |
4164020e SM |
781 | if (ret) { |
782 | goto error; | |
783 | } | |
784 | } | |
785 | ||
2ca337f1 | 786 | ret = create_ds_file_groups(ctf_fs_trace.get()); |
4164020e SM |
787 | if (ret) { |
788 | goto error; | |
789 | } | |
790 | ||
791 | goto end; | |
1a9f7075 PP |
792 | |
793 | error: | |
2ca337f1 | 794 | ctf_fs_trace.reset(); |
44c440bc | 795 | |
1a9f7075 | 796 | end: |
4164020e | 797 | return ctf_fs_trace; |
1a9f7075 PP |
798 | } |
799 | ||
4164020e | 800 | static int path_is_ctf_trace(const char *path) |
1a9f7075 | 801 | { |
4164020e SM |
802 | GString *metadata_path = g_string_new(NULL); |
803 | int ret = 0; | |
1a9f7075 | 804 | |
4164020e SM |
805 | if (!metadata_path) { |
806 | ret = -1; | |
807 | goto end; | |
808 | } | |
1a9f7075 | 809 | |
4164020e | 810 | g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME); |
1a9f7075 | 811 | |
4164020e SM |
812 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { |
813 | ret = 1; | |
814 | goto end; | |
815 | } | |
1a9f7075 PP |
816 | |
817 | end: | |
4164020e SM |
818 | g_string_free(metadata_path, TRUE); |
819 | return ret; | |
1a9f7075 PP |
820 | } |
821 | ||
a0cd55ad | 822 | /* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */ |
f280892e | 823 | |
4164020e SM |
824 | static int ctf_fs_component_create_ctf_fs_trace_one_path(struct ctf_fs_component *ctf_fs, |
825 | const char *path_param, | |
a4c955d9 SM |
826 | const char *trace_name, |
827 | std::vector<ctf_fs_trace::UP>& traces, | |
0f5c5d5c | 828 | bt_self_component *selfComp) |
1a9f7075 | 829 | { |
2ca337f1 | 830 | ctf_fs_trace::UP ctf_fs_trace; |
4164020e SM |
831 | int ret; |
832 | GString *norm_path; | |
4164020e SM |
833 | |
834 | norm_path = bt_common_normalize_path(path_param, NULL); | |
835 | if (!norm_path) { | |
0f5c5d5c | 836 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to normalize path: `{}`.", path_param); |
4164020e SM |
837 | goto error; |
838 | } | |
839 | ||
840 | ret = path_is_ctf_trace(norm_path->str); | |
841 | if (ret < 0) { | |
0f5c5d5c SM |
842 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
843 | ctf_fs->logger, "Failed to check if path is a CTF trace: path={}", norm_path->str); | |
4164020e SM |
844 | goto error; |
845 | } else if (ret == 0) { | |
0f5c5d5c SM |
846 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
847 | ctf_fs->logger, "Path is not a CTF trace (does not contain a metadata file): `{}`.", | |
848 | norm_path->str); | |
4164020e SM |
849 | goto error; |
850 | } | |
851 | ||
852 | // FIXME: Remove or ifdef for __MINGW32__ | |
853 | if (strcmp(norm_path->str, "/") == 0) { | |
0f5c5d5c | 854 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Opening a trace in `/` is not supported."); |
4164020e SM |
855 | ret = -1; |
856 | goto end; | |
857 | } | |
858 | ||
c942e7a2 SM |
859 | ctf_fs_trace = ctf_fs_trace_create(norm_path->str, trace_name, ctf_fs->clkClsCfg, selfComp, |
860 | ctf_fs->logger); | |
4164020e | 861 | if (!ctf_fs_trace) { |
0f5c5d5c SM |
862 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Cannot create trace for `{}`.", |
863 | norm_path->str); | |
4164020e SM |
864 | goto error; |
865 | } | |
866 | ||
a4c955d9 | 867 | traces.emplace_back(std::move(ctf_fs_trace)); |
4164020e SM |
868 | |
869 | ret = 0; | |
870 | goto end; | |
1a9f7075 PP |
871 | |
872 | error: | |
4164020e | 873 | ret = -1; |
1a9f7075 PP |
874 | |
875 | end: | |
4164020e SM |
876 | if (norm_path) { |
877 | g_string_free(norm_path, TRUE); | |
878 | } | |
4bd72b60 | 879 | |
4164020e | 880 | return ret; |
1a9f7075 PP |
881 | } |
882 | ||
41a65f30 SM |
883 | /* |
884 | * Count the number of stream and event classes defined by this trace's metadata. | |
885 | * | |
886 | * This is used to determine which metadata is the "latest", out of multiple | |
887 | * traces sharing the same UUID. It is assumed that amongst all these metadatas, | |
888 | * a bigger metadata is a superset of a smaller metadata. Therefore, it is | |
889 | * enough to just count the classes. | |
890 | */ | |
891 | ||
4164020e | 892 | static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace) |
41a65f30 | 893 | { |
4164020e SM |
894 | unsigned int num = trace->metadata->tc->stream_classes->len; |
895 | guint i; | |
41a65f30 | 896 | |
4164020e SM |
897 | for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) { |
898 | struct ctf_stream_class *sc = | |
899 | (struct ctf_stream_class *) trace->metadata->tc->stream_classes->pdata[i]; | |
900 | num += sc->event_classes->len; | |
901 | } | |
41a65f30 | 902 | |
4164020e | 903 | return num; |
41a65f30 SM |
904 | } |
905 | ||
906 | /* | |
907 | * Merge the src ds_file_group into dest. This consists of merging their | |
908 | * ds_file_infos, making sure to keep the result sorted. | |
909 | */ | |
910 | ||
4164020e | 911 | static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, |
cdf7de78 | 912 | ctf_fs_ds_file_group::UP src) |
41a65f30 | 913 | { |
f3d74124 SM |
914 | for (auto& ds_file_info : src->ds_file_infos) { |
915 | ds_file_group_insert_ds_file_info_sorted(dest, std::move(ds_file_info)); | |
4164020e | 916 | } |
41a65f30 | 917 | |
4164020e | 918 | /* Merge both indexes. */ |
fe2f9cda | 919 | merge_ctf_fs_ds_indexes(dest->index.get(), std::move(src->index)); |
7ed5243a | 920 | } |
a4c955d9 | 921 | |
41a65f30 SM |
922 | /* Merge src_trace's data stream file groups into dest_trace's. */ |
923 | ||
4164020e | 924 | static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace, |
a4c955d9 | 925 | ctf_fs_trace::UP src_trace) |
41a65f30 | 926 | { |
cdf7de78 SM |
927 | std::vector<ctf_fs_ds_file_group::UP>& dest = dest_trace->ds_file_groups; |
928 | std::vector<ctf_fs_ds_file_group::UP>& src = src_trace->ds_file_groups; | |
4164020e SM |
929 | int ret = 0; |
930 | ||
931 | /* | |
932 | * Save the initial length of dest: we only want to check against the | |
933 | * original elements in the inner loop. | |
934 | */ | |
cdf7de78 | 935 | size_t dest_len = dest.size(); |
4164020e | 936 | |
cdf7de78 | 937 | for (auto& src_group : src) { |
4164020e SM |
938 | struct ctf_fs_ds_file_group *dest_group = NULL; |
939 | ||
940 | /* A stream instance without ID can't match a stream in the other trace. */ | |
941 | if (src_group->stream_id != -1) { | |
4164020e | 942 | /* Let's search for a matching ds_file_group in the destination. */ |
cdf7de78 SM |
943 | for (size_t d_i = 0; d_i < dest_len; ++d_i) { |
944 | ctf_fs_ds_file_group *candidate_dest = dest[d_i].get(); | |
4164020e SM |
945 | |
946 | /* Can't match a stream instance without ID. */ | |
947 | if (candidate_dest->stream_id == -1) { | |
948 | continue; | |
949 | } | |
950 | ||
951 | /* | |
952 | * If the two groups have the same stream instance id | |
953 | * and belong to the same stream class (stream instance | |
954 | * ids are per-stream class), they represent the same | |
955 | * stream instance. | |
956 | */ | |
957 | if (candidate_dest->stream_id != src_group->stream_id || | |
958 | candidate_dest->sc->id != src_group->sc->id) { | |
959 | continue; | |
960 | } | |
961 | ||
962 | dest_group = candidate_dest; | |
963 | break; | |
964 | } | |
965 | } | |
966 | ||
967 | /* | |
968 | * Didn't find a friend in dest to merge our src_group into? | |
969 | * Create a new empty one. This can happen if a stream was | |
970 | * active in the source trace chunk but not in the destination | |
971 | * trace chunk. | |
972 | */ | |
973 | if (!dest_group) { | |
974 | struct ctf_stream_class *sc; | |
4164020e SM |
975 | |
976 | sc = ctf_trace_class_borrow_stream_class_by_id(dest_trace->metadata->tc, | |
977 | src_group->sc->id); | |
978 | BT_ASSERT(sc); | |
979 | ||
2fb7af12 | 980 | auto index = ctf_fs_ds_index_create(); |
4164020e SM |
981 | if (!index) { |
982 | ret = -1; | |
983 | goto end; | |
984 | } | |
985 | ||
fe2e19c4 | 986 | auto new_dest_group = |
fe2f9cda | 987 | ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, std::move(index)); |
fe2e19c4 | 988 | |
fe2e19c4 | 989 | if (!new_dest_group) { |
4164020e SM |
990 | ret = -1; |
991 | goto end; | |
992 | } | |
993 | ||
fe2e19c4 | 994 | dest_group = new_dest_group.get(); |
cdf7de78 | 995 | dest_trace->ds_file_groups.emplace_back(std::move(new_dest_group)); |
4164020e SM |
996 | } |
997 | ||
998 | BT_ASSERT(dest_group); | |
cdf7de78 | 999 | merge_ctf_fs_ds_file_groups(dest_group, std::move(src_group)); |
4164020e | 1000 | } |
54ef52bd FD |
1001 | |
1002 | end: | |
4164020e | 1003 | return ret; |
41a65f30 SM |
1004 | } |
1005 | ||
1006 | /* | |
1007 | * Collapse the given traces, which must all share the same UUID, in a single | |
1008 | * one. | |
1009 | * | |
1010 | * The trace with the most expansive metadata is chosen and all other traces | |
a4c955d9 SM |
1011 | * are merged into that one. On return, the elements of `traces` are nullptr |
1012 | * and the merged trace is placed in `out_trace`. | |
41a65f30 SM |
1013 | */ |
1014 | ||
a4c955d9 | 1015 | static int merge_ctf_fs_traces(std::vector<ctf_fs_trace::UP> traces, ctf_fs_trace::UP& out_trace) |
41a65f30 | 1016 | { |
4164020e SM |
1017 | unsigned int winner_count; |
1018 | struct ctf_fs_trace *winner; | |
1019 | guint i, winner_i; | |
1020 | int ret = 0; | |
1021 | ||
a4c955d9 | 1022 | BT_ASSERT(traces.size() >= 2); |
4164020e | 1023 | |
a4c955d9 SM |
1024 | winner_count = metadata_count_stream_and_event_classes(traces[0].get()); |
1025 | winner = traces[0].get(); | |
4164020e SM |
1026 | winner_i = 0; |
1027 | ||
1028 | /* Find the trace with the largest metadata. */ | |
a4c955d9 SM |
1029 | for (i = 1; i < traces.size(); i++) { |
1030 | ctf_fs_trace *candidate = traces[i].get(); | |
4164020e SM |
1031 | unsigned int candidate_count; |
1032 | ||
4164020e SM |
1033 | /* A bit of sanity check. */ |
1034 | BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0); | |
1035 | ||
1036 | candidate_count = metadata_count_stream_and_event_classes(candidate); | |
1037 | ||
1038 | if (candidate_count > winner_count) { | |
1039 | winner_count = candidate_count; | |
1040 | winner = candidate; | |
1041 | winner_i = i; | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /* Merge all the other traces in the winning trace. */ | |
a4c955d9 | 1046 | for (ctf_fs_trace::UP& trace : traces) { |
4164020e | 1047 | /* Don't merge the winner into itself. */ |
a4c955d9 | 1048 | if (trace.get() == winner) { |
4164020e SM |
1049 | continue; |
1050 | } | |
1051 | ||
1052 | /* Merge trace's data stream file groups into winner's. */ | |
a4c955d9 | 1053 | ret = merge_matching_ctf_fs_ds_file_groups(winner, std::move(trace)); |
4164020e SM |
1054 | if (ret) { |
1055 | goto end; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | /* | |
1060 | * Move the winner out of the array, into `*out_trace`. | |
1061 | */ | |
a4c955d9 | 1062 | out_trace = std::move(traces[winner_i]); |
54ef52bd FD |
1063 | |
1064 | end: | |
4164020e | 1065 | return ret; |
41a65f30 SM |
1066 | } |
1067 | ||
4164020e SM |
1068 | enum target_event |
1069 | { | |
1070 | FIRST_EVENT, | |
1071 | LAST_EVENT, | |
1719bf64 FD |
1072 | }; |
1073 | ||
4164020e SM |
1074 | static int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace, |
1075 | struct ctf_clock_class *default_cc, | |
1076 | struct ctf_fs_ds_index_entry *index_entry, | |
1077 | enum target_event target_event, uint64_t *cs, | |
1078 | int64_t *ts_ns) | |
1719bf64 | 1079 | { |
4164020e | 1080 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
6d4acae3 | 1081 | ctf_msg_iter_up msg_iter; |
4164020e SM |
1082 | int ret = 0; |
1083 | ||
1084 | BT_ASSERT(ctf_fs_trace); | |
1085 | BT_ASSERT(index_entry); | |
1086 | BT_ASSERT(index_entry->path); | |
1087 | ||
21c7fd8b SM |
1088 | const auto ds_file = ctf_fs_ds_file_create(ctf_fs_trace, bt2::Stream::Shared {}, |
1089 | index_entry->path, ctf_fs_trace->logger); | |
4164020e | 1090 | if (!ds_file) { |
0f5c5d5c | 1091 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, "Failed to create a ctf_fs_ds_file"); |
4164020e SM |
1092 | ret = -1; |
1093 | goto end; | |
1094 | } | |
1095 | ||
1096 | BT_ASSERT(ctf_fs_trace->metadata); | |
1097 | BT_ASSERT(ctf_fs_trace->metadata->tc); | |
1098 | ||
0f5c5d5c | 1099 | msg_iter = ctf_msg_iter_create( |
6d4acae3 SM |
1100 | ctf_fs_trace->metadata->tc, |
1101 | bt_common_get_page_size(static_cast<int>(ctf_fs_trace->logger.level())) * 8, | |
1102 | ctf_fs_ds_file_medops, ds_file.get(), NULL, ctf_fs_trace->logger); | |
4164020e SM |
1103 | if (!msg_iter) { |
1104 | /* ctf_msg_iter_create() logs errors. */ | |
1105 | ret = -1; | |
1106 | goto end; | |
1107 | } | |
1108 | ||
1109 | /* | |
1110 | * Turn on dry run mode to prevent the creation and usage of Babeltrace | |
1111 | * library objects (bt_field, bt_message_*, etc.). | |
1112 | */ | |
6d4acae3 | 1113 | ctf_msg_iter_set_dry_run(msg_iter.get(), true); |
4164020e SM |
1114 | |
1115 | /* Seek to the beginning of the target packet. */ | |
6d4acae3 | 1116 | iter_status = ctf_msg_iter_seek(msg_iter.get(), index_entry->offset.bytes()); |
4164020e SM |
1117 | if (iter_status) { |
1118 | /* ctf_msg_iter_seek() logs errors. */ | |
1119 | ret = -1; | |
1120 | goto end; | |
1121 | } | |
1122 | ||
1123 | switch (target_event) { | |
1124 | case FIRST_EVENT: | |
1125 | /* | |
1126 | * Start to decode the packet until we reach the end of | |
1127 | * the first event. To extract the first event's clock | |
1128 | * snapshot. | |
1129 | */ | |
6d4acae3 | 1130 | iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot(msg_iter.get(), cs); |
4164020e SM |
1131 | break; |
1132 | case LAST_EVENT: | |
1133 | /* Decode the packet to extract the last event's clock snapshot. */ | |
6d4acae3 | 1134 | iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot(msg_iter.get(), cs); |
4164020e SM |
1135 | break; |
1136 | default: | |
1137 | bt_common_abort(); | |
1138 | } | |
1139 | if (iter_status) { | |
1140 | ret = -1; | |
1141 | goto end; | |
1142 | } | |
1143 | ||
1144 | /* Convert clock snapshot to timestamp. */ | |
1145 | ret = bt_util_clock_cycles_to_ns_from_origin( | |
1146 | *cs, default_cc->frequency, default_cc->offset_seconds, default_cc->offset_cycles, ts_ns); | |
1147 | if (ret) { | |
0f5c5d5c SM |
1148 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1149 | "Failed to convert clock snapshot to timestamp"); | |
4164020e SM |
1150 | goto end; |
1151 | } | |
1719bf64 FD |
1152 | |
1153 | end: | |
4164020e | 1154 | return ret; |
1719bf64 FD |
1155 | } |
1156 | ||
4164020e SM |
1157 | static int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1158 | struct ctf_clock_class *default_cc, | |
1159 | struct ctf_fs_ds_index_entry *index_entry, | |
1160 | uint64_t *cs, int64_t *ts_ns) | |
c43092a5 | 1161 | { |
4164020e SM |
1162 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, FIRST_EVENT, cs, |
1163 | ts_ns); | |
c43092a5 FD |
1164 | } |
1165 | ||
4164020e SM |
1166 | static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace, |
1167 | struct ctf_clock_class *default_cc, | |
1168 | struct ctf_fs_ds_index_entry *index_entry, | |
1169 | uint64_t *cs, int64_t *ts_ns) | |
1719bf64 | 1170 | { |
4164020e SM |
1171 | return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, LAST_EVENT, cs, |
1172 | ts_ns); | |
1719bf64 FD |
1173 | } |
1174 | ||
1175 | /* | |
1176 | * Fix up packet index entries for lttng's "event-after-packet" bug. | |
1177 | * Some buggy lttng tracer versions may emit events with a timestamp that is | |
1178 | * larger (after) than the timestamp_end of the their packets. | |
1179 | * | |
1180 | * To fix up this erroneous data we do the following: | |
1181 | * 1. If it's not the stream file's last packet: set the packet index entry's | |
1182 | * end time to the next packet's beginning time. | |
1183 | * 2. If it's the stream file's last packet, set the packet index entry's end | |
1184 | * time to the packet's last event's time, if any, or to the packet's | |
1185 | * beginning time otherwise. | |
1186 | * | |
1187 | * Known buggy tracer versions: | |
1188 | * - before lttng-ust 2.11.0 | |
1189 | * - before lttng-module 2.11.0 | |
1190 | * - before lttng-module 2.10.10 | |
1191 | * - before lttng-module 2.9.13 | |
1192 | */ | |
4164020e | 1193 | static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace) |
1719bf64 | 1194 | { |
4164020e | 1195 | int ret = 0; |
4164020e | 1196 | |
cdf7de78 | 1197 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1198 | struct ctf_clock_class *default_cc; |
4164020e | 1199 | |
4164020e | 1200 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1201 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1202 | |
1203 | BT_ASSERT(index); | |
2fb7af12 | 1204 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1205 | |
1206 | /* | |
1207 | * Iterate over all entries but the last one. The last one is | |
1208 | * fixed differently after. | |
1209 | */ | |
2fb7af12 SM |
1210 | for (size_t entry_i = 0; entry_i < index->entries.size() - 1; ++entry_i) { |
1211 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
1212 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_i + 1].get(); | |
4164020e SM |
1213 | |
1214 | /* | |
1215 | * 1. Set the current index entry `end` timestamp to | |
1216 | * the next index entry `begin` timestamp. | |
1217 | */ | |
1218 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1219 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1220 | } | |
1221 | ||
1222 | /* | |
1223 | * 2. Fix the last entry by decoding the last event of the last | |
1224 | * packet. | |
1225 | */ | |
2fb7af12 | 1226 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1227 | BT_ASSERT(last_entry); |
1228 | ||
1229 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1230 | default_cc = ds_file_group->sc->default_clock_class; | |
1231 | ||
1232 | /* | |
1233 | * Decode packet to read the timestamp of the last event of the | |
1234 | * entry. | |
1235 | */ | |
1236 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1237 | &last_entry->timestamp_end, | |
1238 | &last_entry->timestamp_end_ns); | |
1239 | if (ret) { | |
0f5c5d5c SM |
1240 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1241 | trace->logger, | |
4164020e SM |
1242 | "Failed to decode stream's last packet to get its last event's clock snapshot."); |
1243 | goto end; | |
1244 | } | |
1245 | } | |
1719bf64 FD |
1246 | |
1247 | end: | |
4164020e | 1248 | return ret; |
1719bf64 FD |
1249 | } |
1250 | ||
c43092a5 FD |
1251 | /* |
1252 | * Fix up packet index entries for barectf's "event-before-packet" bug. | |
1253 | * Some buggy barectf tracer versions may emit events with a timestamp that is | |
1254 | * less than the timestamp_begin of the their packets. | |
1255 | * | |
1256 | * To fix up this erroneous data we do the following: | |
1257 | * 1. Starting at the second index entry, set the timestamp_begin of the | |
1258 | * current entry to the timestamp of the first event of the packet. | |
1259 | * 2. Set the previous entry's timestamp_end to the timestamp_begin of the | |
1260 | * current packet. | |
1261 | * | |
1262 | * Known buggy tracer versions: | |
1263 | * - before barectf 2.3.1 | |
1264 | */ | |
4164020e | 1265 | static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace) |
c43092a5 | 1266 | { |
4164020e | 1267 | int ret = 0; |
4164020e | 1268 | |
cdf7de78 | 1269 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1270 | struct ctf_clock_class *default_cc; |
fe2f9cda | 1271 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1272 | |
1273 | BT_ASSERT(index); | |
2fb7af12 | 1274 | BT_ASSERT(!index->entries.empty()); |
4164020e SM |
1275 | |
1276 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1277 | default_cc = ds_file_group->sc->default_clock_class; | |
1278 | ||
1279 | /* | |
1280 | * 1. Iterate over the index, starting from the second entry | |
1281 | * (index = 1). | |
1282 | */ | |
2fb7af12 SM |
1283 | for (size_t entry_i = 1; entry_i < index->entries.size(); ++entry_i) { |
1284 | ctf_fs_ds_index_entry *prev_entry = index->entries[entry_i - 1].get(); | |
1285 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_i].get(); | |
4164020e SM |
1286 | /* |
1287 | * 2. Set the current entry `begin` timestamp to the | |
1288 | * timestamp of the first event of the current packet. | |
1289 | */ | |
1290 | ret = decode_packet_first_event_timestamp(trace, default_cc, curr_entry, | |
1291 | &curr_entry->timestamp_begin, | |
1292 | &curr_entry->timestamp_begin_ns); | |
1293 | if (ret) { | |
0f5c5d5c SM |
1294 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1295 | "Failed to decode first event's clock snapshot"); | |
4164020e SM |
1296 | goto end; |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * 3. Set the previous entry `end` timestamp to the | |
1301 | * timestamp of the first event of the current packet. | |
1302 | */ | |
1303 | prev_entry->timestamp_end = curr_entry->timestamp_begin; | |
1304 | prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns; | |
1305 | } | |
1306 | } | |
c43092a5 | 1307 | end: |
4164020e | 1308 | return ret; |
c43092a5 FD |
1309 | } |
1310 | ||
aada78b5 FD |
1311 | /* |
1312 | * When using the lttng-crash feature it's likely that the last packets of each | |
1313 | * stream have their timestamp_end set to zero. This is caused by the fact that | |
1314 | * the tracer crashed and was not able to properly close the packets. | |
1315 | * | |
1316 | * To fix up this erroneous data we do the following: | |
1317 | * For each index entry, if the entry's timestamp_end is 0 and the | |
1318 | * timestamp_begin is not 0: | |
1319 | * - If it's the stream file's last packet: set the packet index entry's end | |
1320 | * time to the packet's last event's time, if any, or to the packet's | |
1321 | * beginning time otherwise. | |
1322 | * - If it's not the stream file's last packet: set the packet index | |
1323 | * entry's end time to the next packet's beginning time. | |
1324 | * | |
1325 | * Affected versions: | |
1326 | * - All current and future lttng-ust and lttng-modules versions. | |
1327 | */ | |
4164020e | 1328 | static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace) |
aada78b5 | 1329 | { |
4164020e | 1330 | int ret = 0; |
4164020e | 1331 | |
cdf7de78 | 1332 | for (const auto& ds_file_group : trace->ds_file_groups) { |
4164020e | 1333 | struct ctf_clock_class *default_cc; |
4164020e | 1334 | |
4164020e | 1335 | BT_ASSERT(ds_file_group); |
fe2f9cda | 1336 | const auto index = ds_file_group->index.get(); |
4164020e SM |
1337 | |
1338 | BT_ASSERT(ds_file_group->sc->default_clock_class); | |
1339 | default_cc = ds_file_group->sc->default_clock_class; | |
1340 | ||
1341 | BT_ASSERT(index); | |
2fb7af12 | 1342 | BT_ASSERT(!index->entries.empty()); |
4164020e | 1343 | |
2fb7af12 | 1344 | const auto last_entry = index->entries.back().get(); |
4164020e SM |
1345 | BT_ASSERT(last_entry); |
1346 | ||
1347 | /* 1. Fix the last entry first. */ | |
1348 | if (last_entry->timestamp_end == 0 && last_entry->timestamp_begin != 0) { | |
1349 | /* | |
1350 | * Decode packet to read the timestamp of the | |
1351 | * last event of the stream file. | |
1352 | */ | |
1353 | ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry, | |
1354 | &last_entry->timestamp_end, | |
1355 | &last_entry->timestamp_end_ns); | |
1356 | if (ret) { | |
0f5c5d5c SM |
1357 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1358 | "Failed to decode last event's clock snapshot"); | |
4164020e SM |
1359 | goto end; |
1360 | } | |
1361 | } | |
1362 | ||
1363 | /* Iterate over all entries but the last one. */ | |
2fb7af12 SM |
1364 | for (size_t entry_idx = 0; entry_idx < index->entries.size() - 1; ++entry_idx) { |
1365 | ctf_fs_ds_index_entry *curr_entry = index->entries[entry_idx].get(); | |
1366 | ctf_fs_ds_index_entry *next_entry = index->entries[entry_idx + 1].get(); | |
4164020e SM |
1367 | |
1368 | if (curr_entry->timestamp_end == 0 && curr_entry->timestamp_begin != 0) { | |
1369 | /* | |
1370 | * 2. Set the current index entry `end` timestamp to | |
1371 | * the next index entry `begin` timestamp. | |
1372 | */ | |
1373 | curr_entry->timestamp_end = next_entry->timestamp_begin; | |
1374 | curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns; | |
1375 | } | |
1376 | } | |
1377 | } | |
aada78b5 FD |
1378 | |
1379 | end: | |
4164020e | 1380 | return ret; |
aada78b5 FD |
1381 | } |
1382 | ||
626cc488 FD |
1383 | /* |
1384 | * Extract the tracer information necessary to compare versions. | |
1385 | * Returns 0 on success, and -1 if the extraction is not successful because the | |
1386 | * necessary fields are absents in the trace metadata. | |
1387 | */ | |
4164020e | 1388 | static int extract_tracer_info(struct ctf_fs_trace *trace, struct tracer_info *current_tracer_info) |
626cc488 | 1389 | { |
4164020e SM |
1390 | int ret = 0; |
1391 | struct ctf_trace_class_env_entry *entry; | |
1392 | ||
1393 | /* Clear the current_tracer_info struct */ | |
1394 | memset(current_tracer_info, 0, sizeof(*current_tracer_info)); | |
1395 | ||
1396 | /* | |
1397 | * To compare 2 tracer versions, at least the tracer name and it's | |
1398 | * major version are needed. If one of these is missing, consider it an | |
1399 | * extraction failure. | |
1400 | */ | |
1401 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_name"); | |
1402 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) { | |
1403 | goto missing_bare_minimum; | |
1404 | } | |
1405 | ||
1406 | /* Set tracer name. */ | |
1407 | current_tracer_info->name = entry->value.str->str; | |
1408 | ||
1409 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_major"); | |
1410 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1411 | goto missing_bare_minimum; | |
1412 | } | |
1413 | ||
1414 | /* Set major version number. */ | |
1415 | current_tracer_info->major = entry->value.i; | |
1416 | ||
1417 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_minor"); | |
1418 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1419 | goto end; | |
1420 | } | |
1421 | ||
1422 | /* Set minor version number. */ | |
1423 | current_tracer_info->minor = entry->value.i; | |
1424 | ||
1425 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patch"); | |
1426 | if (!entry) { | |
1427 | /* | |
1428 | * If `tracer_patch` doesn't exist `tracer_patchlevel` might. | |
1429 | * For example, `lttng-modules` uses entry name | |
1430 | * `tracer_patchlevel`. | |
1431 | */ | |
1432 | entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patchlevel"); | |
1433 | } | |
1434 | ||
1435 | if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) { | |
1436 | goto end; | |
1437 | } | |
1438 | ||
1439 | /* Set patch version number. */ | |
1440 | current_tracer_info->patch = entry->value.i; | |
1441 | ||
1442 | goto end; | |
626cc488 FD |
1443 | |
1444 | missing_bare_minimum: | |
4164020e | 1445 | ret = -1; |
626cc488 | 1446 | end: |
4164020e | 1447 | return ret; |
626cc488 FD |
1448 | } |
1449 | ||
4164020e | 1450 | static bool is_tracer_affected_by_lttng_event_after_packet_bug(struct tracer_info *curr_tracer_info) |
1719bf64 | 1451 | { |
4164020e SM |
1452 | bool is_affected = false; |
1453 | ||
1454 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1455 | if (curr_tracer_info->major < 2) { | |
1456 | is_affected = true; | |
1457 | } else if (curr_tracer_info->major == 2) { | |
1458 | /* fixed in lttng-ust 2.11.0 */ | |
1459 | if (curr_tracer_info->minor < 11) { | |
1460 | is_affected = true; | |
1461 | } | |
1462 | } | |
1463 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1464 | if (curr_tracer_info->major < 2) { | |
1465 | is_affected = true; | |
1466 | } else if (curr_tracer_info->major == 2) { | |
1467 | /* fixed in lttng-modules 2.11.0 */ | |
1468 | if (curr_tracer_info->minor == 10) { | |
1469 | /* fixed in lttng-modules 2.10.10 */ | |
1470 | if (curr_tracer_info->patch < 10) { | |
1471 | is_affected = true; | |
1472 | } | |
1473 | } else if (curr_tracer_info->minor == 9) { | |
1474 | /* fixed in lttng-modules 2.9.13 */ | |
1475 | if (curr_tracer_info->patch < 13) { | |
1476 | is_affected = true; | |
1477 | } | |
1478 | } else if (curr_tracer_info->minor < 9) { | |
1479 | is_affected = true; | |
1480 | } | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | return is_affected; | |
1719bf64 FD |
1485 | } |
1486 | ||
4164020e SM |
1487 | static bool |
1488 | is_tracer_affected_by_barectf_event_before_packet_bug(struct tracer_info *curr_tracer_info) | |
c43092a5 | 1489 | { |
4164020e SM |
1490 | bool is_affected = false; |
1491 | ||
1492 | if (strcmp(curr_tracer_info->name, "barectf") == 0) { | |
1493 | if (curr_tracer_info->major < 2) { | |
1494 | is_affected = true; | |
1495 | } else if (curr_tracer_info->major == 2) { | |
1496 | if (curr_tracer_info->minor < 3) { | |
1497 | is_affected = true; | |
1498 | } else if (curr_tracer_info->minor == 3) { | |
1499 | /* fixed in barectf 2.3.1 */ | |
1500 | if (curr_tracer_info->patch < 1) { | |
1501 | is_affected = true; | |
1502 | } | |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | return is_affected; | |
c43092a5 FD |
1508 | } |
1509 | ||
4164020e | 1510 | static bool is_tracer_affected_by_lttng_crash_quirk(struct tracer_info *curr_tracer_info) |
aada78b5 | 1511 | { |
4164020e | 1512 | bool is_affected = false; |
aada78b5 | 1513 | |
4164020e SM |
1514 | /* All LTTng tracer may be affected by this lttng crash quirk. */ |
1515 | if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) { | |
1516 | is_affected = true; | |
1517 | } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) { | |
1518 | is_affected = true; | |
1519 | } | |
aada78b5 | 1520 | |
4164020e | 1521 | return is_affected; |
aada78b5 FD |
1522 | } |
1523 | ||
1719bf64 FD |
1524 | /* |
1525 | * Looks for trace produced by known buggy tracers and fix up the index | |
1526 | * produced earlier. | |
1527 | */ | |
0f5c5d5c | 1528 | static int fix_packet_index_tracer_bugs(ctf_fs_trace *trace) |
1719bf64 | 1529 | { |
4164020e SM |
1530 | int ret = 0; |
1531 | struct tracer_info current_tracer_info; | |
4164020e | 1532 | |
0f5c5d5c | 1533 | ret = extract_tracer_info(trace, ¤t_tracer_info); |
4164020e SM |
1534 | if (ret) { |
1535 | /* | |
1536 | * A trace may not have all the necessary environment | |
1537 | * entries to do the tracer version comparison. | |
1538 | * At least, the tracer name and major version number | |
1539 | * are needed. Failing to extract these entries is not | |
1540 | * an error. | |
1541 | */ | |
1542 | ret = 0; | |
0f5c5d5c SM |
1543 | BT_CPPLOGI_STR_SPEC( |
1544 | trace->logger, | |
1545 | "Cannot extract tracer information necessary to compare with buggy versions."); | |
4164020e | 1546 | goto end; |
4164020e SM |
1547 | } |
1548 | ||
1549 | /* Check if the trace may be affected by old tracer bugs. */ | |
1550 | if (is_tracer_affected_by_lttng_event_after_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1551 | BT_CPPLOGI_STR_SPEC( |
1552 | trace->logger, | |
1553 | "Trace may be affected by LTTng tracer packet timestamp bug. Fixing up."); | |
1554 | ret = fix_index_lttng_event_after_packet_bug(trace); | |
4164020e | 1555 | if (ret) { |
0f5c5d5c SM |
1556 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1557 | "Failed to fix LTTng event-after-packet bug."); | |
4164020e SM |
1558 | goto end; |
1559 | } | |
0f5c5d5c | 1560 | trace->metadata->tc->quirks.lttng_event_after_packet = true; |
4164020e SM |
1561 | } |
1562 | ||
1563 | if (is_tracer_affected_by_barectf_event_before_packet_bug(¤t_tracer_info)) { | |
0f5c5d5c SM |
1564 | BT_CPPLOGI_STR_SPEC( |
1565 | trace->logger, | |
1566 | "Trace may be affected by barectf tracer packet timestamp bug. Fixing up."); | |
1567 | ret = fix_index_barectf_event_before_packet_bug(trace); | |
4164020e | 1568 | if (ret) { |
0f5c5d5c SM |
1569 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1570 | "Failed to fix barectf event-before-packet bug."); | |
4164020e SM |
1571 | goto end; |
1572 | } | |
0f5c5d5c | 1573 | trace->metadata->tc->quirks.barectf_event_before_packet = true; |
4164020e SM |
1574 | } |
1575 | ||
1576 | if (is_tracer_affected_by_lttng_crash_quirk(¤t_tracer_info)) { | |
0f5c5d5c | 1577 | ret = fix_index_lttng_crash_quirk(trace); |
4164020e | 1578 | if (ret) { |
0f5c5d5c SM |
1579 | BT_CPPLOGE_APPEND_CAUSE_SPEC(trace->logger, |
1580 | "Failed to fix lttng-crash timestamp quirks."); | |
4164020e SM |
1581 | goto end; |
1582 | } | |
0f5c5d5c | 1583 | trace->metadata->tc->quirks.lttng_crash = true; |
4164020e | 1584 | } |
a0cd55ad | 1585 | |
1719bf64 | 1586 | end: |
4164020e | 1587 | return ret; |
1719bf64 FD |
1588 | } |
1589 | ||
cdf7de78 SM |
1590 | static bool compare_ds_file_groups_by_first_path(const ctf_fs_ds_file_group::UP& ds_file_group_a, |
1591 | const ctf_fs_ds_file_group::UP& ds_file_group_b) | |
e9b3611f | 1592 | { |
f3d74124 SM |
1593 | BT_ASSERT(!ds_file_group_a->ds_file_infos.empty()); |
1594 | BT_ASSERT(!ds_file_group_b->ds_file_infos.empty()); | |
087cd0f5 | 1595 | |
f3d74124 SM |
1596 | const auto& first_ds_file_info_a = *ds_file_group_a->ds_file_infos[0]; |
1597 | const auto& first_ds_file_info_b = *ds_file_group_b->ds_file_infos[0]; | |
087cd0f5 | 1598 | |
f3d74124 | 1599 | return first_ds_file_info_a.path < first_ds_file_info_b.path; |
e9b3611f PP |
1600 | } |
1601 | ||
4164020e | 1602 | static gint compare_strings(gconstpointer p_a, gconstpointer p_b) |
7b69723d | 1603 | { |
4164020e SM |
1604 | const char *a = *((const char **) p_a); |
1605 | const char *b = *((const char **) p_b); | |
7b69723d | 1606 | |
4164020e | 1607 | return strcmp(a, b); |
7b69723d SM |
1608 | } |
1609 | ||
4164020e SM |
1610 | int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs, |
1611 | const bt_value *paths_value, | |
1612 | const bt_value *trace_name_value, | |
0f5c5d5c | 1613 | bt_self_component *selfComp) |
f280892e | 1614 | { |
4164020e SM |
1615 | int ret = 0; |
1616 | uint64_t i; | |
4164020e | 1617 | GPtrArray *paths = NULL; |
a4c955d9 | 1618 | std::vector<ctf_fs_trace::UP> traces; |
4164020e SM |
1619 | const char *trace_name; |
1620 | ||
1621 | BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY); | |
1622 | BT_ASSERT(!bt_value_array_is_empty(paths_value)); | |
1623 | ||
4164020e SM |
1624 | paths = g_ptr_array_new_with_free_func(g_free); |
1625 | if (!paths) { | |
0f5c5d5c | 1626 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to allocate a GPtrArray."); |
4164020e SM |
1627 | goto error; |
1628 | } | |
1629 | ||
1630 | trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL; | |
1631 | ||
1632 | /* | |
1633 | * Create a sorted array of the paths, to make the execution of this | |
1634 | * component deterministic. | |
1635 | */ | |
1636 | for (i = 0; i < bt_value_array_get_length(paths_value); i++) { | |
1637 | const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i); | |
1638 | const char *input = bt_value_string_get(path_value); | |
1639 | gchar *input_copy; | |
1640 | ||
1641 | input_copy = g_strdup(input); | |
1642 | if (!input_copy) { | |
0f5c5d5c | 1643 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to copy a string."); |
4164020e SM |
1644 | goto error; |
1645 | } | |
1646 | ||
1647 | g_ptr_array_add(paths, input_copy); | |
1648 | } | |
1649 | ||
1650 | g_ptr_array_sort(paths, compare_strings); | |
1651 | ||
1652 | /* Create a separate ctf_fs_trace object for each path. */ | |
1653 | for (i = 0; i < paths->len; i++) { | |
1654 | const char *path = (const char *) g_ptr_array_index(paths, i); | |
1655 | ||
1656 | ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, path, trace_name, traces, | |
0f5c5d5c | 1657 | selfComp); |
4164020e SM |
1658 | if (ret) { |
1659 | goto end; | |
1660 | } | |
1661 | } | |
1662 | ||
a4c955d9 SM |
1663 | if (traces.size() > 1) { |
1664 | ctf_fs_trace *first_trace = traces[0].get(); | |
4164020e | 1665 | const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid; |
4164020e SM |
1666 | |
1667 | /* | |
1668 | * We have more than one trace, they must all share the same | |
1669 | * UUID, verify that. | |
1670 | */ | |
a4c955d9 SM |
1671 | for (i = 0; i < traces.size(); i++) { |
1672 | ctf_fs_trace *this_trace = traces[i].get(); | |
4164020e SM |
1673 | const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid; |
1674 | ||
1675 | if (!this_trace->metadata->tc->is_uuid_set) { | |
0f5c5d5c SM |
1676 | BT_CPPLOGE_APPEND_CAUSE_SPEC( |
1677 | ctf_fs->logger, | |
1678 | "Multiple traces given, but a trace does not have a UUID: path={}", | |
4164020e SM |
1679 | this_trace->path->str); |
1680 | goto error; | |
1681 | } | |
1682 | ||
1683 | if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) { | |
1684 | char first_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1685 | char this_trace_uuid_str[BT_UUID_STR_LEN + 1]; | |
1686 | ||
1687 | bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str); | |
1688 | bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str); | |
1689 | ||
0f5c5d5c SM |
1690 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1691 | "Multiple traces given, but UUIDs don't match: " | |
1692 | "first-trace-uuid={}, first-trace-path={}, " | |
1693 | "trace-uuid={}, trace-path={}", | |
1694 | first_trace_uuid_str, first_trace->path->str, | |
1695 | this_trace_uuid_str, this_trace->path->str); | |
4164020e SM |
1696 | goto error; |
1697 | } | |
1698 | } | |
1699 | ||
a4c955d9 | 1700 | ret = merge_ctf_fs_traces(std::move(traces), ctf_fs->trace); |
4164020e | 1701 | if (ret) { |
0f5c5d5c SM |
1702 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, |
1703 | "Failed to merge traces with the same UUID."); | |
4164020e SM |
1704 | goto error; |
1705 | } | |
4164020e SM |
1706 | } else { |
1707 | /* Just one trace, it may or may not have a UUID, both are fine. */ | |
a4c955d9 | 1708 | ctf_fs->trace = std::move(traces[0]); |
4164020e SM |
1709 | } |
1710 | ||
7df773f2 | 1711 | ret = fix_packet_index_tracer_bugs(ctf_fs->trace.get()); |
4164020e | 1712 | if (ret) { |
0f5c5d5c | 1713 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "Failed to fix packet index tracer bugs."); |
4164020e SM |
1714 | } |
1715 | ||
1716 | /* | |
1717 | * Sort data stream file groups by first data stream file info | |
1718 | * path to get a deterministic order. This order influences the | |
1719 | * order of the output ports. It also influences the order of | |
1720 | * the automatic stream IDs if the trace's packet headers do not | |
1721 | * contain a `stream_instance_id` field, in which case the data | |
1722 | * stream file to stream ID association is always the same, | |
1723 | * whatever the build and the system. | |
1724 | * | |
1725 | * Having a deterministic order here can help debugging and | |
1726 | * testing. | |
1727 | */ | |
cdf7de78 SM |
1728 | std::sort(ctf_fs->trace->ds_file_groups.begin(), ctf_fs->trace->ds_file_groups.end(), |
1729 | compare_ds_file_groups_by_first_path); | |
4164020e | 1730 | goto end; |
a0cd55ad | 1731 | error: |
4164020e | 1732 | ret = -1; |
a0cd55ad | 1733 | |
f280892e | 1734 | end: |
4164020e SM |
1735 | if (paths) { |
1736 | g_ptr_array_free(paths, TRUE); | |
1737 | } | |
7b69723d | 1738 | |
4164020e | 1739 | return ret; |
f280892e SM |
1740 | } |
1741 | ||
4164020e | 1742 | static GString *get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_file_group) |
a38d7650 | 1743 | { |
4164020e SM |
1744 | GString *name; |
1745 | struct ctf_fs_ds_file_info *ds_file_info; | |
1746 | ||
1747 | name = g_string_new(NULL); | |
1748 | if (!name) { | |
1749 | goto end; | |
1750 | } | |
1751 | ||
1752 | /* | |
1753 | * If there's more than one stream file in the stream file | |
1754 | * group, the first (earliest) stream file's path is used as | |
1755 | * the stream's unique name. | |
1756 | */ | |
f3d74124 SM |
1757 | BT_ASSERT(!ds_file_group->ds_file_infos.empty()); |
1758 | ds_file_info = ds_file_group->ds_file_infos[0].get(); | |
4d199954 | 1759 | g_string_assign(name, ds_file_info->path.c_str()); |
a38d7650 SM |
1760 | |
1761 | end: | |
4164020e | 1762 | return name; |
a38d7650 SM |
1763 | } |
1764 | ||
f280892e SM |
1765 | /* Create the IR stream objects for ctf_fs_trace. */ |
1766 | ||
4164020e | 1767 | static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace) |
f280892e | 1768 | { |
4164020e SM |
1769 | int ret; |
1770 | GString *name = NULL; | |
4164020e | 1771 | |
cdf7de78 SM |
1772 | for (const auto& ds_file_group : ctf_fs_trace->ds_file_groups) { |
1773 | name = get_stream_instance_unique_name(ds_file_group.get()); | |
4164020e SM |
1774 | |
1775 | if (!name) { | |
1776 | goto error; | |
1777 | } | |
1778 | ||
f0940b01 SM |
1779 | BT_ASSERT(ds_file_group->sc->ir_sc); |
1780 | BT_ASSERT(ctf_fs_trace->trace); | |
1781 | ||
be215bcd SM |
1782 | bt_stream *stream; |
1783 | ||
f0940b01 SM |
1784 | if (ds_file_group->stream_id == UINT64_C(-1)) { |
1785 | /* No stream ID: use 0 */ | |
be215bcd SM |
1786 | stream = bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace, |
1787 | ctf_fs_trace->next_stream_id); | |
f0940b01 | 1788 | ctf_fs_trace->next_stream_id++; |
4164020e | 1789 | } else { |
f0940b01 | 1790 | /* Specific stream ID */ |
be215bcd SM |
1791 | stream = bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace, |
1792 | (uint64_t) ds_file_group->stream_id); | |
4164020e SM |
1793 | } |
1794 | ||
be215bcd | 1795 | if (!stream) { |
0f5c5d5c SM |
1796 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1797 | "Cannot create stream for DS file group: " | |
1798 | "addr={}, stream-name=\"{}\"", | |
1799 | fmt::ptr(ds_file_group), name->str); | |
4164020e SM |
1800 | goto error; |
1801 | } | |
1802 | ||
be215bcd SM |
1803 | ds_file_group->stream = bt2::Stream::Shared::createWithoutRef(stream); |
1804 | ||
1805 | ret = bt_stream_set_name(ds_file_group->stream->libObjPtr(), name->str); | |
4164020e | 1806 | if (ret) { |
0f5c5d5c SM |
1807 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs_trace->logger, |
1808 | "Cannot set stream's name: " | |
1809 | "addr={}, stream-name=\"{}\"", | |
be215bcd | 1810 | fmt::ptr(ds_file_group->stream->libObjPtr()), name->str); |
4164020e SM |
1811 | goto error; |
1812 | } | |
1813 | ||
1814 | g_string_free(name, TRUE); | |
1815 | name = NULL; | |
1816 | } | |
1817 | ||
1818 | ret = 0; | |
1819 | goto end; | |
f280892e SM |
1820 | |
1821 | error: | |
4164020e | 1822 | ret = -1; |
f280892e SM |
1823 | |
1824 | end: | |
1825 | ||
4164020e SM |
1826 | if (name) { |
1827 | g_string_free(name, TRUE); | |
1828 | } | |
1829 | return ret; | |
f280892e SM |
1830 | } |
1831 | ||
88730e42 SM |
1832 | static const bt_param_validation_value_descr inputs_elem_descr = |
1833 | bt_param_validation_value_descr::makeString(); | |
087cd0f5 SM |
1834 | |
1835 | static bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = { | |
88730e42 SM |
1836 | {"inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, |
1837 | bt_param_validation_value_descr::makeArray(1, BT_PARAM_VALIDATION_INFINITE, | |
1838 | inputs_elem_descr)}, | |
1839 | {"trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1840 | bt_param_validation_value_descr::makeString()}, | |
1841 | {"clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1842 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1843 | {"clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1844 | bt_param_validation_value_descr::makeSignedInteger()}, | |
1845 | {"force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, | |
1846 | bt_param_validation_value_descr::makeBool()}, | |
4164020e SM |
1847 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END}; |
1848 | ||
1849 | bool read_src_fs_parameters(const bt_value *params, const bt_value **inputs, | |
0f5c5d5c | 1850 | const bt_value **trace_name, struct ctf_fs_component *ctf_fs) |
4164020e SM |
1851 | { |
1852 | bool ret; | |
1853 | const bt_value *value; | |
4164020e SM |
1854 | enum bt_param_validation_status validate_value_status; |
1855 | gchar *error = NULL; | |
1856 | ||
1857 | validate_value_status = bt_param_validation_validate(params, fs_params_entries_descr, &error); | |
1858 | if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) { | |
0f5c5d5c | 1859 | BT_CPPLOGE_APPEND_CAUSE_SPEC(ctf_fs->logger, "{}", error); |
4164020e SM |
1860 | ret = false; |
1861 | goto end; | |
1862 | } | |
1863 | ||
1864 | /* inputs parameter */ | |
1865 | *inputs = bt_value_map_borrow_entry_value_const(params, "inputs"); | |
1866 | ||
1867 | /* clock-class-offset-s parameter */ | |
1868 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-s"); | |
1869 | if (value) { | |
c942e7a2 | 1870 | ctf_fs->clkClsCfg.offsetSec = bt_value_integer_signed_get(value); |
4164020e SM |
1871 | } |
1872 | ||
1873 | /* clock-class-offset-ns parameter */ | |
1874 | value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-ns"); | |
1875 | if (value) { | |
c942e7a2 | 1876 | ctf_fs->clkClsCfg.offsetNanoSec = bt_value_integer_signed_get(value); |
4164020e SM |
1877 | } |
1878 | ||
1879 | /* force-clock-class-origin-unix-epoch parameter */ | |
1880 | value = bt_value_map_borrow_entry_value_const(params, "force-clock-class-origin-unix-epoch"); | |
1881 | if (value) { | |
c942e7a2 | 1882 | ctf_fs->clkClsCfg.forceOriginIsUnixEpoch = bt_value_bool_get(value); |
4164020e SM |
1883 | } |
1884 | ||
1885 | /* trace-name parameter */ | |
1886 | *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name"); | |
1887 | ||
1888 | ret = true; | |
d907165c SM |
1889 | |
1890 | end: | |
4164020e SM |
1891 | g_free(error); |
1892 | return ret; | |
d907165c SM |
1893 | } |
1894 | ||
f340a3e8 SM |
1895 | static ctf_fs_component::UP ctf_fs_create(const bt_value *params, |
1896 | bt_self_component_source *self_comp_src) | |
56a1cced | 1897 | { |
4164020e SM |
1898 | const bt_value *inputs_value; |
1899 | const bt_value *trace_name_value; | |
1900 | bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src); | |
56a1cced | 1901 | |
f340a3e8 | 1902 | ctf_fs_component::UP ctf_fs = ctf_fs_component_create( |
0f5c5d5c | 1903 | bt2c::Logger {bt2::SelfSourceComponent {self_comp_src}, "PLUGIN/SRC.CTF.FS/COMP"}); |
4164020e | 1904 | if (!ctf_fs) { |
f340a3e8 | 1905 | return nullptr; |
4164020e | 1906 | } |
f280892e | 1907 | |
f340a3e8 SM |
1908 | if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs.get())) { |
1909 | return nullptr; | |
4164020e | 1910 | } |
56a1cced | 1911 | |
f340a3e8 SM |
1912 | if (ctf_fs_component_create_ctf_fs_trace(ctf_fs.get(), inputs_value, trace_name_value, |
1913 | self_comp)) { | |
1914 | return nullptr; | |
4164020e | 1915 | } |
4f1f88a6 | 1916 | |
7df773f2 | 1917 | if (create_streams_for_trace(ctf_fs->trace.get())) { |
f340a3e8 | 1918 | return nullptr; |
4164020e | 1919 | } |
f280892e | 1920 | |
7df773f2 | 1921 | if (create_ports_for_trace(ctf_fs.get(), ctf_fs->trace.get(), self_comp_src)) { |
f340a3e8 | 1922 | return nullptr; |
4164020e | 1923 | } |
4f1f88a6 | 1924 | |
4164020e | 1925 | return ctf_fs; |
56a1cced JG |
1926 | } |
1927 | ||
50b9f4b5 SM |
1928 | bt_component_class_initialize_method_status ctf_fs_init(bt_self_component_source *self_comp_src, |
1929 | bt_self_component_source_configuration *, | |
1930 | const bt_value *params, void *) | |
ea0b4b9e | 1931 | { |
1e690349 | 1932 | try { |
1e690349 SM |
1933 | bt_component_class_initialize_method_status ret = |
1934 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
1935 | ||
f340a3e8 | 1936 | ctf_fs_component::UP ctf_fs = ctf_fs_create(params, self_comp_src); |
1e690349 SM |
1937 | if (!ctf_fs) { |
1938 | ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
1939 | } | |
ea0b4b9e | 1940 | |
f340a3e8 SM |
1941 | bt_self_component_set_data(bt_self_component_source_as_self_component(self_comp_src), |
1942 | ctf_fs.release()); | |
1e690349 SM |
1943 | return ret; |
1944 | } catch (const std::bad_alloc&) { | |
1945 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
1946 | } catch (const bt2::Error&) { | |
1947 | return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
4164020e | 1948 | } |
ea0b4b9e | 1949 | } |
33f93973 | 1950 | |
0f5c5d5c | 1951 | bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class_src, |
4164020e SM |
1952 | bt_private_query_executor *priv_query_exec, |
1953 | const char *object, const bt_value *params, | |
1954 | __attribute__((unused)) void *method_data, | |
1955 | const bt_value **result) | |
33f93973 | 1956 | { |
1e690349 | 1957 | try { |
1e690349 SM |
1958 | bt2c::Logger logger {bt2::SelfComponentClass {comp_class_src}, |
1959 | bt2::PrivateQueryExecutor {priv_query_exec}, | |
1960 | "PLUGIN/SRC.CTF.FS/QUERY"}; | |
c02af779 SM |
1961 | bt2::ConstMapValue paramsObj(params); |
1962 | bt2::Value::Shared resultObj; | |
1e690349 SM |
1963 | |
1964 | if (strcmp(object, "metadata-info") == 0) { | |
c02af779 | 1965 | resultObj = metadata_info_query(paramsObj, logger); |
1e690349 | 1966 | } else if (strcmp(object, "babeltrace.trace-infos") == 0) { |
c02af779 | 1967 | resultObj = trace_infos_query(paramsObj, logger); |
1e690349 | 1968 | } else if (!strcmp(object, "babeltrace.support-info")) { |
c02af779 | 1969 | resultObj = support_info_query(paramsObj, logger); |
1e690349 SM |
1970 | } else { |
1971 | BT_CPPLOGE_SPEC(logger, "Unknown query object `{}`", object); | |
c02af779 | 1972 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT; |
1e690349 | 1973 | } |
c02af779 SM |
1974 | |
1975 | *result = resultObj.release().libObjPtr(); | |
1976 | ||
1977 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK; | |
1e690349 SM |
1978 | } catch (const std::bad_alloc&) { |
1979 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_MEMORY_ERROR; | |
1980 | } catch (const bt2::Error&) { | |
1981 | return BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_ERROR; | |
1982 | } | |
33f93973 | 1983 | } |