Commit | Line | Data |
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e98a2d6e | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
e98a2d6e | 3 | * |
0235b0db MJ |
4 | * Copyright 2016-2017 Philippe Proulx <pproulx@efficios.com> |
5 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation | |
e98a2d6e PP |
7 | */ |
8 | ||
2e42d046 SM |
9 | #define BT_COMP_LOG_SELF_COMP (self_comp) |
10 | #define BT_LOG_OUTPUT_LEVEL (log_level) | |
98903a3e | 11 | #define BT_LOG_TAG "PLUGIN/SRC.CTF.FS/DS" |
d9c39b0a | 12 | #include "logging/comp-logging.h" |
98903a3e | 13 | |
0fbb9a9f | 14 | #include <stdlib.h> |
e98a2d6e PP |
15 | #include <stdio.h> |
16 | #include <stdint.h> | |
17 | #include <stdlib.h> | |
e98a2d6e PP |
18 | #include <glib.h> |
19 | #include <inttypes.h> | |
578e048b MJ |
20 | #include "compat/mman.h" |
21 | #include "compat/endian.h" | |
3fadfbc0 | 22 | #include <babeltrace2/babeltrace.h> |
578e048b | 23 | #include "common/common.h" |
087cd0f5 SM |
24 | #include "file.hpp" |
25 | #include "metadata.hpp" | |
26 | #include "../common/msg-iter/msg-iter.hpp" | |
578e048b | 27 | #include "common/assert.h" |
087cd0f5 | 28 | #include "data-stream-file.hpp" |
e9383dfd | 29 | #include <string.h> |
e98a2d6e | 30 | |
4f1f88a6 | 31 | static inline |
94cf822e | 32 | size_t remaining_mmap_bytes(struct ctf_fs_ds_file *ds_file) |
e98a2d6e | 33 | { |
e9bfbfe0 SM |
34 | BT_ASSERT_DBG(ds_file->mmap_len >= ds_file->request_offset_in_mapping); |
35 | return ds_file->mmap_len - ds_file->request_offset_in_mapping; | |
e98a2d6e PP |
36 | } |
37 | ||
127e2341 SM |
38 | /* |
39 | * Return true if `offset_in_file` is in the current mapping. | |
40 | */ | |
41 | ||
42 | static | |
43 | bool offset_ist_mapped(struct ctf_fs_ds_file *ds_file, off_t offset_in_file) | |
44 | { | |
45 | return offset_in_file >= ds_file->mmap_offset_in_file && | |
46 | offset_in_file < (ds_file->mmap_offset_in_file + ds_file->mmap_len); | |
47 | } | |
48 | ||
5b29e799 | 49 | static |
887a9995 SM |
50 | enum ctf_msg_iter_medium_status ds_file_munmap( |
51 | struct ctf_fs_ds_file *ds_file) | |
e98a2d6e | 52 | { |
887a9995 | 53 | enum ctf_msg_iter_medium_status status; |
2e42d046 SM |
54 | bt_self_component *self_comp = ds_file->self_comp; |
55 | bt_logging_level log_level = ds_file->log_level; | |
e98a2d6e | 56 | |
9f5571db SM |
57 | BT_ASSERT(ds_file); |
58 | ||
59 | if (!ds_file->mmap_addr) { | |
887a9995 | 60 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; |
94cf822e PP |
61 | goto end; |
62 | } | |
63 | ||
04394229 | 64 | if (bt_munmap(ds_file->mmap_addr, ds_file->mmap_len)) { |
4c65a157 | 65 | BT_COMP_LOGE_ERRNO("Cannot memory-unmap file", |
cd232764 | 66 | ": address=%p, size=%zu, file_path=\"%s\", file=%p", |
94cf822e | 67 | ds_file->mmap_addr, ds_file->mmap_len, |
9e0c8dbb | 68 | ds_file->file ? ds_file->file->path->str : "NULL", |
cd232764 | 69 | ds_file->file ? ds_file->file->fp : NULL); |
887a9995 | 70 | status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
fc9a526c | 71 | goto end; |
e98a2d6e | 72 | } |
94cf822e PP |
73 | |
74 | ds_file->mmap_addr = NULL; | |
75 | ||
887a9995 | 76 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; |
fc9a526c | 77 | end: |
887a9995 | 78 | return status; |
e98a2d6e PP |
79 | } |
80 | ||
127e2341 SM |
81 | /* |
82 | * mmap a region of `ds_file` such that `requested_offset_in_file` is in the | |
83 | * mapping. If the currently mmap-ed region already contains | |
84 | * `requested_offset_in_file`, the mapping is kept. | |
85 | * | |
f6e68e70 SM |
86 | * Set `ds_file->requested_offset_in_mapping` based on `request_offset_in_file`, |
87 | * such that the next call to `request_bytes` will return bytes starting at that | |
88 | * position. | |
127e2341 SM |
89 | * |
90 | * `requested_offset_in_file` must be a valid offset in the file. | |
91 | */ | |
5b29e799 | 92 | static |
127e2341 SM |
93 | enum ctf_msg_iter_medium_status ds_file_mmap( |
94 | struct ctf_fs_ds_file *ds_file, off_t requested_offset_in_file) | |
e98a2d6e | 95 | { |
887a9995 | 96 | enum ctf_msg_iter_medium_status status; |
2e42d046 SM |
97 | bt_self_component *self_comp = ds_file->self_comp; |
98 | bt_logging_level log_level = ds_file->log_level; | |
e98a2d6e | 99 | |
127e2341 SM |
100 | /* Ensure the requested offset is in the file range. */ |
101 | BT_ASSERT(requested_offset_in_file >= 0); | |
102 | BT_ASSERT(requested_offset_in_file < ds_file->file->size); | |
e98a2d6e | 103 | |
127e2341 SM |
104 | /* |
105 | * If the mapping already contains the requested offset, just adjust | |
106 | * requested_offset_in_mapping. | |
107 | */ | |
108 | if (offset_ist_mapped(ds_file, requested_offset_in_file)) { | |
109 | ds_file->request_offset_in_mapping = | |
110 | requested_offset_in_file - ds_file->mmap_offset_in_file; | |
111 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; | |
112 | goto end; | |
e98a2d6e PP |
113 | } |
114 | ||
127e2341 SM |
115 | /* Unmap old region */ |
116 | status = ds_file_munmap(ds_file); | |
117 | if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
e0f6a64a JG |
118 | goto end; |
119 | } | |
127e2341 SM |
120 | |
121 | /* | |
122 | * Compute a mapping that has the required alignment properties and | |
123 | * contains `requested_offset_in_file`. | |
124 | */ | |
125 | ds_file->request_offset_in_mapping = | |
126 | requested_offset_in_file % bt_mmap_get_offset_align_size(ds_file->log_level); | |
127 | ds_file->mmap_offset_in_file = | |
128 | requested_offset_in_file - ds_file->request_offset_in_mapping; | |
129 | ds_file->mmap_len = MIN(ds_file->file->size - ds_file->mmap_offset_in_file, | |
130 | ds_file->mmap_max_len); | |
131 | ||
132 | BT_ASSERT(ds_file->mmap_len > 0); | |
133 | ||
04394229 | 134 | ds_file->mmap_addr = bt_mmap((void *) 0, ds_file->mmap_len, |
94cf822e | 135 | PROT_READ, MAP_PRIVATE, fileno(ds_file->file->fp), |
e9bfbfe0 | 136 | ds_file->mmap_offset_in_file, ds_file->log_level); |
94cf822e | 137 | if (ds_file->mmap_addr == MAP_FAILED) { |
4c65a157 | 138 | BT_COMP_LOGE("Cannot memory-map address (size %zu) of file \"%s\" (%p) at offset %jd: %s", |
94cf822e | 139 | ds_file->mmap_len, ds_file->file->path->str, |
e9bfbfe0 | 140 | ds_file->file->fp, (intmax_t) ds_file->mmap_offset_in_file, |
78586d8a | 141 | strerror(errno)); |
887a9995 SM |
142 | status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
143 | goto end; | |
e98a2d6e PP |
144 | } |
145 | ||
887a9995 | 146 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; |
127e2341 SM |
147 | |
148 | end: | |
149 | return status; | |
150 | } | |
151 | ||
152 | /* | |
153 | * Change the mapping of the file to read the region that follows the current | |
154 | * mapping. | |
155 | * | |
156 | * If the file hasn't been mapped yet, then everything (mmap_offset_in_file, | |
157 | * mmap_len, request_offset_in_mapping) should have the value 0, which will | |
158 | * result in the beginning of the file getting mapped. | |
159 | * | |
160 | * return _EOF if the current mapping is the end of the file. | |
161 | */ | |
162 | ||
163 | static | |
164 | enum ctf_msg_iter_medium_status ds_file_mmap_next( | |
165 | struct ctf_fs_ds_file *ds_file) | |
166 | { | |
167 | enum ctf_msg_iter_medium_status status; | |
168 | ||
169 | /* | |
170 | * If we're called, it's because more bytes are requested but we have | |
171 | * given all the bytes of the current mapping. | |
172 | */ | |
173 | BT_ASSERT(ds_file->request_offset_in_mapping == ds_file->mmap_len); | |
174 | ||
175 | /* | |
176 | * If the current mapping coincides with the end of the file, there is | |
177 | * no next mapping. | |
178 | */ | |
179 | if (ds_file->mmap_offset_in_file + ds_file->mmap_len == ds_file->file->size) { | |
180 | status = CTF_MSG_ITER_MEDIUM_STATUS_EOF; | |
181 | goto end; | |
182 | } | |
183 | ||
184 | status = ds_file_mmap(ds_file, | |
185 | ds_file->mmap_offset_in_file + ds_file->mmap_len); | |
186 | ||
e98a2d6e | 187 | end: |
887a9995 | 188 | return status; |
e98a2d6e PP |
189 | } |
190 | ||
5b29e799 | 191 | static |
18a1979b | 192 | enum ctf_msg_iter_medium_status medop_request_bytes( |
e98a2d6e PP |
193 | size_t request_sz, uint8_t **buffer_addr, |
194 | size_t *buffer_sz, void *data) | |
195 | { | |
18a1979b SM |
196 | enum ctf_msg_iter_medium_status status = |
197 | CTF_MSG_ITER_MEDIUM_STATUS_OK; | |
087cd0f5 | 198 | struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data; |
2e42d046 SM |
199 | bt_self_component *self_comp = ds_file->self_comp; |
200 | bt_logging_level log_level = ds_file->log_level; | |
e98a2d6e | 201 | |
c9694de4 | 202 | BT_ASSERT(request_sz > 0); |
e98a2d6e | 203 | |
de2abea4 FD |
204 | /* |
205 | * Check if we have at least one memory-mapped byte left. If we don't, | |
206 | * mmap the next file. | |
207 | */ | |
94cf822e | 208 | if (remaining_mmap_bytes(ds_file) == 0) { |
e98a2d6e | 209 | /* Are we at the end of the file? */ |
e9bfbfe0 | 210 | if (ds_file->mmap_offset_in_file >= ds_file->file->size) { |
4c65a157 | 211 | BT_COMP_LOGD("Reached end of file \"%s\" (%p)", |
94cf822e | 212 | ds_file->file->path->str, ds_file->file->fp); |
18a1979b | 213 | status = CTF_MSG_ITER_MEDIUM_STATUS_EOF; |
e98a2d6e PP |
214 | goto end; |
215 | } | |
216 | ||
94cf822e | 217 | status = ds_file_mmap_next(ds_file); |
e0f6a64a | 218 | switch (status) { |
18a1979b | 219 | case CTF_MSG_ITER_MEDIUM_STATUS_OK: |
e0f6a64a | 220 | break; |
18a1979b | 221 | case CTF_MSG_ITER_MEDIUM_STATUS_EOF: |
e0f6a64a JG |
222 | goto end; |
223 | default: | |
4c65a157 | 224 | BT_COMP_LOGE("Cannot memory-map next region of file \"%s\" (%p)", |
94cf822e PP |
225 | ds_file->file->path->str, |
226 | ds_file->file->fp); | |
e98a2d6e PP |
227 | goto error; |
228 | } | |
229 | } | |
230 | ||
c9694de4 | 231 | BT_ASSERT(remaining_mmap_bytes(ds_file) > 0); |
94cf822e | 232 | *buffer_sz = MIN(remaining_mmap_bytes(ds_file), request_sz); |
c9694de4 | 233 | |
de2abea4 | 234 | BT_ASSERT(ds_file->mmap_addr); |
e9bfbfe0 | 235 | *buffer_addr = ((uint8_t *) ds_file->mmap_addr) + ds_file->request_offset_in_mapping; |
c9694de4 | 236 | |
e9bfbfe0 | 237 | ds_file->request_offset_in_mapping += *buffer_sz; |
e98a2d6e PP |
238 | goto end; |
239 | ||
240 | error: | |
18a1979b | 241 | status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
e98a2d6e PP |
242 | |
243 | end: | |
244 | return status; | |
245 | } | |
246 | ||
5b29e799 | 247 | static |
fc917f65 | 248 | bt_stream *medop_borrow_stream(bt_stream_class *stream_class, int64_t stream_id, |
b92735af | 249 | void *data) |
e98a2d6e | 250 | { |
087cd0f5 | 251 | struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data; |
b19ff26f PP |
252 | bt_stream_class *ds_file_stream_class; |
253 | bt_stream *stream = NULL; | |
e5be10ef | 254 | |
40f4ba76 | 255 | ds_file_stream_class = bt_stream_borrow_class( |
e5be10ef | 256 | ds_file->stream); |
94cf822e | 257 | |
94cf822e PP |
258 | if (stream_class != ds_file_stream_class) { |
259 | /* | |
260 | * Not supported: two packets described by two different | |
261 | * stream classes within the same data stream file. | |
262 | */ | |
263 | goto end; | |
e98a2d6e PP |
264 | } |
265 | ||
94cf822e PP |
266 | stream = ds_file->stream; |
267 | ||
268 | end: | |
269 | return stream; | |
e98a2d6e PP |
270 | } |
271 | ||
9e0c8dbb | 272 | static |
701a0903 | 273 | enum ctf_msg_iter_medium_status medop_seek(off_t offset, void *data) |
9e0c8dbb | 274 | { |
087cd0f5 | 275 | struct ctf_fs_ds_file *ds_file = (struct ctf_fs_ds_file *) data; |
9e0c8dbb | 276 | |
30174f59 | 277 | BT_ASSERT(offset >= 0); |
127e2341 | 278 | BT_ASSERT(offset < ds_file->file->size); |
9e0c8dbb | 279 | |
127e2341 | 280 | return ds_file_mmap(ds_file, offset); |
9e0c8dbb JG |
281 | } |
282 | ||
6de92955 | 283 | BT_HIDDEN |
18a1979b | 284 | struct ctf_msg_iter_medium_ops ctf_fs_ds_file_medops = { |
087cd0f5 SM |
285 | medop_request_bytes, |
286 | medop_seek, | |
287 | nullptr, | |
288 | medop_borrow_stream, | |
e98a2d6e | 289 | }; |
6de92955 | 290 | |
f6e68e70 SM |
291 | struct ctf_fs_ds_group_medops_data { |
292 | /* Weak, set once at creation time. */ | |
293 | struct ctf_fs_ds_file_group *ds_file_group; | |
294 | ||
295 | /* | |
296 | * Index (as in element rank) of the index entry of ds_file_groups' | |
297 | * index we will read next (so, the one after the one we are reading | |
298 | * right now). | |
299 | */ | |
300 | guint next_index_entry_index; | |
301 | ||
302 | /* | |
303 | * File we are currently reading. Changes whenever we switch to | |
304 | * reading another data file. | |
305 | * | |
306 | * Owned by this. | |
307 | */ | |
308 | struct ctf_fs_ds_file *file; | |
309 | ||
310 | /* Weak, for context / logging / appending causes. */ | |
311 | bt_self_message_iterator *self_msg_iter; | |
312 | bt_logging_level log_level; | |
313 | }; | |
314 | ||
315 | static | |
316 | enum ctf_msg_iter_medium_status medop_group_request_bytes( | |
317 | size_t request_sz, | |
318 | uint8_t **buffer_addr, | |
319 | size_t *buffer_sz, | |
320 | void *void_data) | |
321 | { | |
087cd0f5 | 322 | struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data; |
f6e68e70 SM |
323 | |
324 | /* Return bytes from the current file. */ | |
325 | return medop_request_bytes(request_sz, buffer_addr, buffer_sz, data->file); | |
326 | } | |
327 | ||
328 | static | |
329 | bt_stream *medop_group_borrow_stream( | |
330 | bt_stream_class *stream_class, | |
331 | int64_t stream_id, | |
332 | void *void_data) | |
333 | { | |
087cd0f5 | 334 | struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data; |
f6e68e70 SM |
335 | |
336 | return medop_borrow_stream(stream_class, stream_id, data->file); | |
337 | } | |
338 | ||
339 | /* | |
340 | * Set `data->file` to prepare it to read the packet described | |
341 | * by `index_entry`. | |
342 | */ | |
343 | ||
344 | static | |
345 | enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_set_file( | |
346 | struct ctf_fs_ds_group_medops_data *data, | |
347 | struct ctf_fs_ds_index_entry *index_entry, | |
348 | bt_self_message_iterator *self_msg_iter, | |
349 | bt_logging_level log_level) | |
350 | { | |
351 | enum ctf_msg_iter_medium_status status; | |
352 | ||
353 | BT_ASSERT(data); | |
354 | BT_ASSERT(index_entry); | |
355 | ||
356 | /* Check if that file is already the one mapped. */ | |
357 | if (!data->file || strcmp(index_entry->path, data->file->file->path->str) != 0) { | |
358 | /* Destroy the previously used file. */ | |
359 | ctf_fs_ds_file_destroy(data->file); | |
360 | ||
361 | /* Create the new file. */ | |
362 | data->file = ctf_fs_ds_file_create( | |
363 | data->ds_file_group->ctf_fs_trace, | |
364 | self_msg_iter, | |
365 | data->ds_file_group->stream, | |
366 | index_entry->path, | |
367 | log_level); | |
368 | if (!data->file) { | |
369 | BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter, | |
370 | "failed to create ctf_fs_ds_file."); | |
371 | status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; | |
372 | goto end; | |
373 | } | |
374 | } | |
375 | ||
376 | /* | |
377 | * Ensure the right portion of the file will be returned on the next | |
378 | * request_bytes call. | |
379 | */ | |
380 | status = ds_file_mmap(data->file, index_entry->offset); | |
381 | if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
382 | goto end; | |
383 | } | |
384 | ||
385 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; | |
386 | ||
387 | end: | |
388 | return status; | |
389 | } | |
390 | ||
391 | static | |
392 | enum ctf_msg_iter_medium_status medop_group_switch_packet(void *void_data) | |
393 | { | |
087cd0f5 | 394 | struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data; |
f6e68e70 SM |
395 | struct ctf_fs_ds_index_entry *index_entry; |
396 | enum ctf_msg_iter_medium_status status; | |
397 | ||
398 | /* If we have gone through all index entries, we are done. */ | |
399 | if (data->next_index_entry_index >= | |
400 | data->ds_file_group->index->entries->len) { | |
401 | status = CTF_MSG_ITER_MEDIUM_STATUS_EOF; | |
402 | goto end; | |
403 | } | |
404 | ||
405 | /* | |
406 | * Otherwise, look up the next index entry / packet and prepare it | |
407 | * for reading. | |
408 | */ | |
087cd0f5 | 409 | index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index( |
f6e68e70 SM |
410 | data->ds_file_group->index->entries, |
411 | data->next_index_entry_index); | |
412 | ||
413 | status = ctf_fs_ds_group_medops_set_file( | |
414 | data, index_entry, data->self_msg_iter, data->log_level); | |
415 | if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
416 | goto end; | |
417 | } | |
418 | ||
419 | data->next_index_entry_index++; | |
420 | ||
421 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; | |
422 | end: | |
423 | return status; | |
424 | } | |
425 | ||
426 | BT_HIDDEN | |
427 | void ctf_fs_ds_group_medops_data_destroy( | |
428 | struct ctf_fs_ds_group_medops_data *data) | |
429 | { | |
430 | if (!data) { | |
431 | goto end; | |
432 | } | |
433 | ||
434 | ctf_fs_ds_file_destroy(data->file); | |
435 | ||
436 | g_free(data); | |
437 | ||
438 | end: | |
439 | return; | |
440 | } | |
441 | ||
442 | enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_data_create( | |
443 | struct ctf_fs_ds_file_group *ds_file_group, | |
444 | bt_self_message_iterator *self_msg_iter, | |
445 | bt_logging_level log_level, | |
446 | struct ctf_fs_ds_group_medops_data **out) | |
447 | { | |
448 | struct ctf_fs_ds_group_medops_data *data; | |
449 | enum ctf_msg_iter_medium_status status; | |
450 | ||
451 | BT_ASSERT(self_msg_iter); | |
452 | BT_ASSERT(ds_file_group); | |
453 | BT_ASSERT(ds_file_group->index); | |
454 | BT_ASSERT(ds_file_group->index->entries->len > 0); | |
455 | ||
456 | data = g_new0(struct ctf_fs_ds_group_medops_data, 1); | |
457 | if (!data) { | |
458 | BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter, | |
459 | "Failed to allocate a struct ctf_fs_ds_group_medops_data"); | |
460 | status = CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR; | |
461 | goto error; | |
462 | } | |
463 | ||
464 | data->ds_file_group = ds_file_group; | |
465 | data->self_msg_iter = self_msg_iter; | |
466 | data->log_level = log_level; | |
467 | ||
468 | /* | |
469 | * No need to prepare the first file. ctf_msg_iter will call | |
470 | * switch_packet before reading the first packet, it will be | |
471 | * done then. | |
472 | */ | |
473 | ||
474 | *out = data; | |
475 | status = CTF_MSG_ITER_MEDIUM_STATUS_OK; | |
476 | goto end; | |
477 | ||
478 | error: | |
479 | ctf_fs_ds_group_medops_data_destroy(data); | |
480 | ||
481 | end: | |
482 | return status; | |
483 | } | |
484 | ||
485 | void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data) | |
486 | { | |
487 | data->next_index_entry_index = 0; | |
488 | } | |
489 | ||
490 | struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops = { | |
491 | .request_bytes = medop_group_request_bytes, | |
f6e68e70 SM |
492 | |
493 | /* | |
494 | * We don't support seeking using this medops. It would probably be | |
495 | * possible, but it's not needed at the moment. | |
496 | */ | |
497 | .seek = NULL, | |
087cd0f5 SM |
498 | |
499 | .switch_packet = medop_group_switch_packet, | |
500 | .borrow_stream = medop_group_borrow_stream, | |
f6e68e70 SM |
501 | }; |
502 | ||
6834784d SM |
503 | static |
504 | struct ctf_fs_ds_index_entry *ctf_fs_ds_index_entry_create( | |
505 | bt_self_component *self_comp, bt_logging_level log_level) | |
506 | { | |
507 | struct ctf_fs_ds_index_entry *entry; | |
508 | ||
509 | entry = g_new0(struct ctf_fs_ds_index_entry, 1); | |
510 | if (!entry) { | |
511 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to allocate a ctf_fs_ds_index_entry."); | |
512 | goto end; | |
513 | } | |
514 | ||
515 | entry->packet_seq_num = UINT64_MAX; | |
516 | ||
517 | end: | |
518 | return entry; | |
519 | } | |
520 | ||
97ade20b | 521 | static |
0f2d58c9 | 522 | int convert_cycles_to_ns(struct ctf_clock_class *clock_class, |
97ade20b | 523 | uint64_t cycles, int64_t *ns) |
b6c3dcb2 | 524 | { |
0f2d58c9 PP |
525 | return bt_util_clock_cycles_to_ns_from_origin(cycles, |
526 | clock_class->frequency, clock_class->offset_seconds, | |
527 | clock_class->offset_cycles, ns); | |
97ade20b JG |
528 | } |
529 | ||
530 | static | |
531 | struct ctf_fs_ds_index *build_index_from_idx_file( | |
bf012bde | 532 | struct ctf_fs_ds_file *ds_file, |
6d54260a SM |
533 | struct ctf_fs_ds_file_info *file_info, |
534 | struct ctf_msg_iter *msg_iter) | |
97ade20b JG |
535 | { |
536 | int ret; | |
b6c3dcb2 JG |
537 | gchar *directory = NULL; |
538 | gchar *basename = NULL; | |
539 | GString *index_basename = NULL; | |
540 | gchar *index_file_path = NULL; | |
541 | GMappedFile *mapped_file = NULL; | |
542 | gsize filesize; | |
97ade20b JG |
543 | const char *mmap_begin = NULL, *file_pos = NULL; |
544 | const struct ctf_packet_index_file_hdr *header = NULL; | |
545 | struct ctf_fs_ds_index *index = NULL; | |
de38c26a | 546 | struct ctf_fs_ds_index_entry *index_entry = NULL, *prev_index_entry = NULL; |
b6c3dcb2 JG |
547 | uint64_t total_packets_size = 0; |
548 | size_t file_index_entry_size; | |
549 | size_t file_entry_count; | |
550 | size_t i; | |
44c440bc | 551 | struct ctf_stream_class *sc; |
18a1979b | 552 | struct ctf_msg_iter_packet_properties props; |
1984ac2b | 553 | uint32_t version_major, version_minor; |
2e42d046 SM |
554 | bt_self_component *self_comp = ds_file->self_comp; |
555 | bt_logging_level log_level = ds_file->log_level; | |
97ade20b | 556 | |
4c65a157 | 557 | BT_COMP_LOGI("Building index from .idx file of stream file %s", |
97ade20b | 558 | ds_file->file->path->str); |
6d54260a | 559 | ret = ctf_msg_iter_get_packet_properties(msg_iter, &props); |
97ade20b | 560 | if (ret) { |
4c65a157 | 561 | BT_COMP_LOGI_STR("Cannot read first packet's header and context fields."); |
44c440bc PP |
562 | goto error; |
563 | } | |
564 | ||
44c440bc PP |
565 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
566 | props.stream_class_id); | |
567 | BT_ASSERT(sc); | |
568 | if (!sc->default_clock_class) { | |
4c65a157 | 569 | BT_COMP_LOGI_STR("Cannot find stream class's default clock class."); |
97ade20b JG |
570 | goto error; |
571 | } | |
b6c3dcb2 JG |
572 | |
573 | /* Look for index file in relative path index/name.idx. */ | |
94cf822e | 574 | basename = g_path_get_basename(ds_file->file->path->str); |
b6c3dcb2 | 575 | if (!basename) { |
4c65a157 | 576 | BT_COMP_LOGE("Cannot get the basename of datastream file %s", |
55314f2a | 577 | ds_file->file->path->str); |
97ade20b | 578 | goto error; |
b6c3dcb2 JG |
579 | } |
580 | ||
94cf822e | 581 | directory = g_path_get_dirname(ds_file->file->path->str); |
b6c3dcb2 | 582 | if (!directory) { |
4c65a157 | 583 | BT_COMP_LOGE("Cannot get dirname of datastream file %s", |
55314f2a | 584 | ds_file->file->path->str); |
97ade20b | 585 | goto error; |
b6c3dcb2 JG |
586 | } |
587 | ||
588 | index_basename = g_string_new(basename); | |
589 | if (!index_basename) { | |
4c65a157 | 590 | BT_COMP_LOGE_STR("Cannot allocate index file basename string"); |
97ade20b | 591 | goto error; |
b6c3dcb2 JG |
592 | } |
593 | ||
594 | g_string_append(index_basename, ".idx"); | |
595 | index_file_path = g_build_filename(directory, "index", | |
596 | index_basename->str, NULL); | |
597 | mapped_file = g_mapped_file_new(index_file_path, FALSE, NULL); | |
06367fa3 | 598 | if (!mapped_file) { |
4c65a157 | 599 | BT_COMP_LOGD("Cannot create new mapped file %s", |
55314f2a | 600 | index_file_path); |
97ade20b | 601 | goto error; |
06367fa3 | 602 | } |
d14940a7 JG |
603 | |
604 | /* | |
605 | * The g_mapped_file API limits us to 4GB files on 32-bit. | |
606 | * Traces with such large indexes have never been seen in the wild, | |
607 | * but this would need to be adjusted to support them. | |
608 | */ | |
b6c3dcb2 JG |
609 | filesize = g_mapped_file_get_length(mapped_file); |
610 | if (filesize < sizeof(*header)) { | |
4c65a157 | 611 | BT_COMP_LOGW("Invalid LTTng trace index file: " |
d14940a7 JG |
612 | "file size (%zu bytes) < header size (%zu bytes)", |
613 | filesize, sizeof(*header)); | |
97ade20b | 614 | goto error; |
b6c3dcb2 JG |
615 | } |
616 | ||
617 | mmap_begin = g_mapped_file_get_contents(mapped_file); | |
618 | header = (struct ctf_packet_index_file_hdr *) mmap_begin; | |
619 | ||
620 | file_pos = g_mapped_file_get_contents(mapped_file) + sizeof(*header); | |
621 | if (be32toh(header->magic) != CTF_INDEX_MAGIC) { | |
4c65a157 | 622 | BT_COMP_LOGW_STR("Invalid LTTng trace index: \"magic\" field validation failed"); |
97ade20b | 623 | goto error; |
b6c3dcb2 | 624 | } |
b6c3dcb2 | 625 | |
1984ac2b SM |
626 | version_major = be32toh(header->index_major); |
627 | version_minor = be32toh(header->index_minor); | |
628 | if (version_major != 1) { | |
629 | BT_COMP_LOGW( | |
630 | "Unknown LTTng trace index version: " | |
631 | "major=%" PRIu32 ", minor=%" PRIu32, | |
632 | version_major, version_minor); | |
633 | goto error; | |
634 | } | |
635 | ||
b6c3dcb2 | 636 | file_index_entry_size = be32toh(header->packet_index_len); |
ef4ef756 JG |
637 | if (file_index_entry_size < CTF_INDEX_1_0_SIZE) { |
638 | BT_COMP_LOGW("Invalid `packet_index_len` in LTTng trace index file (`packet_index_len` < CTF index 1.0 index entry size): " | |
639 | "packet_index_len=%zu, CTF_INDEX_1_0_SIZE=%zu", | |
640 | file_index_entry_size, CTF_INDEX_1_0_SIZE); | |
641 | goto error; | |
642 | } | |
643 | ||
b6c3dcb2 | 644 | file_entry_count = (filesize - sizeof(*header)) / file_index_entry_size; |
97ade20b | 645 | if ((filesize - sizeof(*header)) % file_index_entry_size) { |
4c65a157 | 646 | BT_COMP_LOGW("Invalid LTTng trace index: the index's size after the header " |
d14940a7 JG |
647 | "(%zu bytes) is not a multiple of the index entry size " |
648 | "(%zu bytes)", (filesize - sizeof(*header)), | |
649 | sizeof(*header)); | |
97ade20b | 650 | goto error; |
b6c3dcb2 JG |
651 | } |
652 | ||
4c65a157 | 653 | index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp); |
97ade20b JG |
654 | if (!index) { |
655 | goto error; | |
b6c3dcb2 | 656 | } |
97ade20b | 657 | |
b6c3dcb2 JG |
658 | for (i = 0; i < file_entry_count; i++) { |
659 | struct ctf_packet_index *file_index = | |
660 | (struct ctf_packet_index *) file_pos; | |
661 | uint64_t packet_size = be64toh(file_index->packet_size); | |
662 | ||
663 | if (packet_size % CHAR_BIT) { | |
4c65a157 | 664 | BT_COMP_LOGW("Invalid packet size encountered in LTTng trace index file"); |
97ade20b | 665 | goto error; |
b6c3dcb2 JG |
666 | } |
667 | ||
6834784d SM |
668 | index_entry = ctf_fs_ds_index_entry_create( |
669 | ds_file->self_comp, ds_file->log_level); | |
7ed5243a | 670 | if (!index_entry) { |
6834784d SM |
671 | BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp, |
672 | "Failed to create a ctf_fs_ds_index_entry."); | |
7ed5243a FD |
673 | goto error; |
674 | } | |
675 | ||
bf012bde FD |
676 | /* Set path to stream file. */ |
677 | index_entry->path = file_info->path->str; | |
678 | ||
b6c3dcb2 JG |
679 | /* Convert size in bits to bytes. */ |
680 | packet_size /= CHAR_BIT; | |
97ade20b | 681 | index_entry->packet_size = packet_size; |
b6c3dcb2 | 682 | |
97ade20b | 683 | index_entry->offset = be64toh(file_index->offset); |
de38c26a | 684 | if (i != 0 && index_entry->offset < prev_index_entry->offset) { |
4c65a157 | 685 | BT_COMP_LOGW("Invalid, non-monotonic, packet offset encountered in LTTng trace index file: " |
d14940a7 | 686 | "previous offset=%" PRIu64 ", current offset=%" PRIu64, |
9dd33658 | 687 | prev_index_entry->offset, index_entry->offset); |
97ade20b | 688 | goto error; |
b6c3dcb2 JG |
689 | } |
690 | ||
97ade20b JG |
691 | index_entry->timestamp_begin = be64toh(file_index->timestamp_begin); |
692 | index_entry->timestamp_end = be64toh(file_index->timestamp_end); | |
693 | if (index_entry->timestamp_end < index_entry->timestamp_begin) { | |
4c65a157 | 694 | BT_COMP_LOGW("Invalid packet time bounds encountered in LTTng trace index file (begin > end): " |
d14940a7 JG |
695 | "timestamp_begin=%" PRIu64 "timestamp_end=%" PRIu64, |
696 | index_entry->timestamp_begin, | |
697 | index_entry->timestamp_end); | |
97ade20b JG |
698 | goto error; |
699 | } | |
700 | ||
701 | /* Convert the packet's bound to nanoseconds since Epoch. */ | |
44c440bc | 702 | ret = convert_cycles_to_ns(sc->default_clock_class, |
97ade20b JG |
703 | index_entry->timestamp_begin, |
704 | &index_entry->timestamp_begin_ns); | |
705 | if (ret) { | |
4c65a157 | 706 | BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch during index parsing"); |
97ade20b JG |
707 | goto error; |
708 | } | |
44c440bc | 709 | ret = convert_cycles_to_ns(sc->default_clock_class, |
97ade20b JG |
710 | index_entry->timestamp_end, |
711 | &index_entry->timestamp_end_ns); | |
712 | if (ret) { | |
4c65a157 | 713 | BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch during LTTng trace index parsing"); |
97ade20b | 714 | goto error; |
b6c3dcb2 JG |
715 | } |
716 | ||
6834784d SM |
717 | if (version_minor >= 1) { |
718 | index_entry->packet_seq_num = be64toh(file_index->packet_seq_num); | |
719 | } | |
720 | ||
b6c3dcb2 JG |
721 | total_packets_size += packet_size; |
722 | file_pos += file_index_entry_size; | |
7ed5243a | 723 | |
de38c26a | 724 | prev_index_entry = index_entry; |
f35a48bc SM |
725 | |
726 | /* Give ownership of `index_entry` to `index->entries`. */ | |
727 | g_ptr_array_add(index->entries, index_entry); | |
728 | index_entry = NULL; | |
b6c3dcb2 JG |
729 | } |
730 | ||
731 | /* Validate that the index addresses the complete stream. */ | |
94cf822e | 732 | if (ds_file->file->size != total_packets_size) { |
4c65a157 | 733 | BT_COMP_LOGW("Invalid LTTng trace index file; indexed size != stream file size: " |
9e0c8dbb | 734 | "file-size=%" PRIu64 ", total-packets-size=%" PRIu64, |
d14940a7 | 735 | ds_file->file->size, total_packets_size); |
97ade20b | 736 | goto error; |
b6c3dcb2 JG |
737 | } |
738 | end: | |
739 | g_free(directory); | |
740 | g_free(basename); | |
741 | g_free(index_file_path); | |
06367fa3 JG |
742 | if (index_basename) { |
743 | g_string_free(index_basename, TRUE); | |
744 | } | |
745 | if (mapped_file) { | |
746 | g_mapped_file_unref(mapped_file); | |
747 | } | |
97ade20b JG |
748 | return index; |
749 | error: | |
750 | ctf_fs_ds_index_destroy(index); | |
7ed5243a | 751 | g_free(index_entry); |
97ade20b | 752 | index = NULL; |
b6c3dcb2 JG |
753 | goto end; |
754 | } | |
755 | ||
9e0c8dbb JG |
756 | static |
757 | int init_index_entry(struct ctf_fs_ds_index_entry *entry, | |
44c440bc | 758 | struct ctf_fs_ds_file *ds_file, |
18a1979b | 759 | struct ctf_msg_iter_packet_properties *props, |
44c440bc | 760 | off_t packet_size, off_t packet_offset) |
9e0c8dbb | 761 | { |
ca79a87c | 762 | int ret = 0; |
44c440bc | 763 | struct ctf_stream_class *sc; |
2e42d046 SM |
764 | bt_self_component *self_comp = ds_file->self_comp; |
765 | bt_logging_level log_level = ds_file->log_level; | |
9e0c8dbb | 766 | |
44c440bc PP |
767 | sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, |
768 | props->stream_class_id); | |
769 | BT_ASSERT(sc); | |
f6ccaed9 | 770 | BT_ASSERT(packet_offset >= 0); |
9e0c8dbb | 771 | entry->offset = packet_offset; |
f6ccaed9 | 772 | BT_ASSERT(packet_size >= 0); |
9e0c8dbb JG |
773 | entry->packet_size = packet_size; |
774 | ||
83ebb7f1 | 775 | if (props->snapshots.beginning_clock != UINT64_C(-1)) { |
41bd46eb FD |
776 | entry->timestamp_begin = props->snapshots.beginning_clock; |
777 | ||
83ebb7f1 PP |
778 | /* Convert the packet's bound to nanoseconds since Epoch. */ |
779 | ret = convert_cycles_to_ns(sc->default_clock_class, | |
780 | props->snapshots.beginning_clock, | |
781 | &entry->timestamp_begin_ns); | |
782 | if (ret) { | |
4c65a157 | 783 | BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch."); |
83ebb7f1 PP |
784 | goto end; |
785 | } | |
786 | } else { | |
41bd46eb | 787 | entry->timestamp_begin = UINT64_C(-1); |
83ebb7f1 | 788 | entry->timestamp_begin_ns = UINT64_C(-1); |
9e0c8dbb JG |
789 | } |
790 | ||
83ebb7f1 | 791 | if (props->snapshots.end_clock != UINT64_C(-1)) { |
41bd46eb FD |
792 | entry->timestamp_end = props->snapshots.end_clock; |
793 | ||
794 | /* Convert the packet's bound to nanoseconds since Epoch. */ | |
83ebb7f1 PP |
795 | ret = convert_cycles_to_ns(sc->default_clock_class, |
796 | props->snapshots.end_clock, | |
797 | &entry->timestamp_end_ns); | |
798 | if (ret) { | |
4c65a157 | 799 | BT_COMP_LOGI_STR("Failed to convert raw timestamp to nanoseconds since Epoch."); |
83ebb7f1 PP |
800 | goto end; |
801 | } | |
802 | } else { | |
41bd46eb | 803 | entry->timestamp_end = UINT64_C(-1); |
83ebb7f1 | 804 | entry->timestamp_end_ns = UINT64_C(-1); |
9e0c8dbb | 805 | } |
0b29603d | 806 | |
9e0c8dbb | 807 | end: |
9e0c8dbb JG |
808 | return ret; |
809 | } | |
810 | ||
811 | static | |
812 | struct ctf_fs_ds_index *build_index_from_stream_file( | |
bf012bde | 813 | struct ctf_fs_ds_file *ds_file, |
6d54260a SM |
814 | struct ctf_fs_ds_file_info *file_info, |
815 | struct ctf_msg_iter *msg_iter) | |
9e0c8dbb JG |
816 | { |
817 | int ret; | |
818 | struct ctf_fs_ds_index *index = NULL; | |
18a1979b | 819 | enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK; |
fc917f65 | 820 | off_t current_packet_offset_bytes = 0; |
2e42d046 SM |
821 | bt_self_component *self_comp = ds_file->self_comp; |
822 | bt_logging_level log_level = ds_file->log_level; | |
9e0c8dbb | 823 | |
4c65a157 | 824 | BT_COMP_LOGI("Indexing stream file %s", ds_file->file->path->str); |
9e0c8dbb | 825 | |
4c65a157 | 826 | index = ctf_fs_ds_index_create(ds_file->log_level, ds_file->self_comp); |
9e0c8dbb JG |
827 | if (!index) { |
828 | goto error; | |
829 | } | |
830 | ||
2b601d0c | 831 | while (true) { |
44c440bc | 832 | off_t current_packet_size_bytes; |
7ed5243a | 833 | struct ctf_fs_ds_index_entry *index_entry; |
18a1979b | 834 | struct ctf_msg_iter_packet_properties props; |
9e0c8dbb | 835 | |
fc917f65 | 836 | if (current_packet_offset_bytes < 0) { |
4c65a157 | 837 | BT_COMP_LOGE_STR("Cannot get the current packet's offset."); |
fc917f65 PP |
838 | goto error; |
839 | } else if (current_packet_offset_bytes > ds_file->file->size) { | |
4c65a157 | 840 | BT_COMP_LOGE_STR("Unexpected current packet's offset (larger than file)."); |
fc917f65 PP |
841 | goto error; |
842 | } else if (current_packet_offset_bytes == ds_file->file->size) { | |
843 | /* No more data */ | |
844 | break; | |
845 | } | |
846 | ||
6d54260a | 847 | iter_status = ctf_msg_iter_seek(msg_iter, |
fc917f65 | 848 | current_packet_offset_bytes); |
18a1979b | 849 | if (iter_status != CTF_MSG_ITER_STATUS_OK) { |
9e0c8dbb JG |
850 | goto error; |
851 | } | |
312c056a | 852 | |
18a1979b | 853 | iter_status = ctf_msg_iter_get_packet_properties( |
6d54260a | 854 | msg_iter, &props); |
18a1979b | 855 | if (iter_status != CTF_MSG_ITER_STATUS_OK) { |
9e0c8dbb JG |
856 | goto error; |
857 | } | |
858 | ||
fc917f65 PP |
859 | if (props.exp_packet_total_size >= 0) { |
860 | current_packet_size_bytes = | |
861 | (uint64_t) props.exp_packet_total_size / 8; | |
862 | } else { | |
863 | current_packet_size_bytes = ds_file->file->size; | |
864 | } | |
9e0c8dbb | 865 | |
fc917f65 | 866 | if (current_packet_offset_bytes + current_packet_size_bytes > |
9e0c8dbb | 867 | ds_file->file->size) { |
4c65a157 | 868 | BT_COMP_LOGW("Invalid packet size reported in file: stream=\"%s\", " |
9e0c8dbb JG |
869 | "packet-offset=%jd, packet-size-bytes=%jd, " |
870 | "file-size=%jd", | |
871 | ds_file->file->path->str, | |
df0fc0bf JR |
872 | (intmax_t) current_packet_offset_bytes, |
873 | (intmax_t) current_packet_size_bytes, | |
874 | (intmax_t) ds_file->file->size); | |
9e0c8dbb JG |
875 | goto error; |
876 | } | |
877 | ||
6834784d SM |
878 | index_entry = ctf_fs_ds_index_entry_create( |
879 | ds_file->self_comp, ds_file->log_level); | |
7ed5243a | 880 | if (!index_entry) { |
6834784d SM |
881 | BT_COMP_LOGE_APPEND_CAUSE(ds_file->self_comp, |
882 | "Failed to create a ctf_fs_ds_index_entry."); | |
9e0c8dbb JG |
883 | goto error; |
884 | } | |
885 | ||
bf012bde FD |
886 | /* Set path to stream file. */ |
887 | index_entry->path = file_info->path->str; | |
888 | ||
7ed5243a | 889 | ret = init_index_entry(index_entry, ds_file, &props, |
fc917f65 | 890 | current_packet_size_bytes, current_packet_offset_bytes); |
9e0c8dbb | 891 | if (ret) { |
7ed5243a | 892 | g_free(index_entry); |
9e0c8dbb JG |
893 | goto error; |
894 | } | |
7ed5243a FD |
895 | |
896 | g_ptr_array_add(index->entries, index_entry); | |
897 | ||
ca633588 | 898 | current_packet_offset_bytes += current_packet_size_bytes; |
4c65a157 | 899 | BT_COMP_LOGD("Seeking to next packet: current-packet-offset=%jd, " |
ca633588 | 900 | "next-packet-offset=%jd", |
df0fc0bf JR |
901 | (intmax_t) (current_packet_offset_bytes - current_packet_size_bytes), |
902 | (intmax_t) current_packet_offset_bytes); | |
9e0c8dbb | 903 | } |
312c056a | 904 | |
9e0c8dbb | 905 | end: |
9e0c8dbb | 906 | return index; |
312c056a | 907 | |
9e0c8dbb JG |
908 | error: |
909 | ctf_fs_ds_index_destroy(index); | |
910 | index = NULL; | |
911 | goto end; | |
912 | } | |
913 | ||
e7a4393b | 914 | BT_HIDDEN |
94cf822e PP |
915 | struct ctf_fs_ds_file *ctf_fs_ds_file_create( |
916 | struct ctf_fs_trace *ctf_fs_trace, | |
f5f7e8df | 917 | bt_self_message_iterator *self_msg_iter, |
98903a3e PP |
918 | bt_stream *stream, const char *path, |
919 | bt_logging_level log_level) | |
e98a2d6e | 920 | { |
b6c3dcb2 | 921 | int ret; |
3b16a19b | 922 | const size_t offset_align = bt_mmap_get_offset_align_size(log_level); |
94cf822e | 923 | struct ctf_fs_ds_file *ds_file = g_new0(struct ctf_fs_ds_file, 1); |
e98a2d6e | 924 | |
94cf822e | 925 | if (!ds_file) { |
e98a2d6e PP |
926 | goto error; |
927 | } | |
928 | ||
98903a3e | 929 | ds_file->log_level = log_level; |
4c65a157 | 930 | ds_file->self_comp = ctf_fs_trace->self_comp; |
f5f7e8df | 931 | ds_file->self_msg_iter = self_msg_iter; |
4c65a157 | 932 | ds_file->file = ctf_fs_file_create(log_level, ds_file->self_comp); |
94cf822e | 933 | if (!ds_file->file) { |
4f1f88a6 PP |
934 | goto error; |
935 | } | |
936 | ||
398454ed | 937 | ds_file->stream = stream; |
c5b9b441 | 938 | bt_stream_get_ref(ds_file->stream); |
44c440bc | 939 | ds_file->metadata = ctf_fs_trace->metadata; |
94cf822e | 940 | g_string_assign(ds_file->file->path, path); |
55314f2a | 941 | ret = ctf_fs_file_open(ds_file->file, "rb"); |
4f1f88a6 PP |
942 | if (ret) { |
943 | goto error; | |
944 | } | |
945 | ||
3b16a19b | 946 | ds_file->mmap_max_len = offset_align * 2048; |
94cf822e | 947 | |
e98a2d6e | 948 | goto end; |
1a9f7075 | 949 | |
e98a2d6e | 950 | error: |
78586d8a | 951 | /* Do not touch "borrowed" file. */ |
94cf822e PP |
952 | ctf_fs_ds_file_destroy(ds_file); |
953 | ds_file = NULL; | |
1a9f7075 | 954 | |
e98a2d6e | 955 | end: |
94cf822e | 956 | return ds_file; |
e98a2d6e PP |
957 | } |
958 | ||
97ade20b JG |
959 | BT_HIDDEN |
960 | struct ctf_fs_ds_index *ctf_fs_ds_file_build_index( | |
bf012bde | 961 | struct ctf_fs_ds_file *ds_file, |
6d54260a SM |
962 | struct ctf_fs_ds_file_info *file_info, |
963 | struct ctf_msg_iter *msg_iter) | |
97ade20b | 964 | { |
9e0c8dbb | 965 | struct ctf_fs_ds_index *index; |
2e42d046 SM |
966 | bt_self_component *self_comp = ds_file->self_comp; |
967 | bt_logging_level log_level = ds_file->log_level; | |
9e0c8dbb | 968 | |
6d54260a | 969 | index = build_index_from_idx_file(ds_file, file_info, msg_iter); |
9e0c8dbb JG |
970 | if (index) { |
971 | goto end; | |
972 | } | |
973 | ||
4c65a157 | 974 | BT_COMP_LOGI("Failed to build index from .index file; " |
9e0c8dbb | 975 | "falling back to stream indexing."); |
6d54260a | 976 | index = build_index_from_stream_file(ds_file, file_info, msg_iter); |
9e0c8dbb JG |
977 | end: |
978 | return index; | |
97ade20b JG |
979 | } |
980 | ||
7ed5243a | 981 | BT_HIDDEN |
4c65a157 PP |
982 | struct ctf_fs_ds_index *ctf_fs_ds_index_create(bt_logging_level log_level, |
983 | bt_self_component *self_comp) | |
7ed5243a FD |
984 | { |
985 | struct ctf_fs_ds_index *index = g_new0(struct ctf_fs_ds_index, 1); | |
986 | ||
987 | if (!index) { | |
4c65a157 | 988 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
98903a3e | 989 | "Failed to allocate index"); |
7ed5243a FD |
990 | goto error; |
991 | } | |
992 | ||
993 | index->entries = g_ptr_array_new_with_free_func((GDestroyNotify) g_free); | |
994 | if (!index->entries) { | |
4c65a157 | 995 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
98903a3e | 996 | "Failed to allocate index entries."); |
7ed5243a FD |
997 | goto error; |
998 | } | |
999 | ||
1000 | goto end; | |
1001 | ||
1002 | error: | |
1003 | ctf_fs_ds_index_destroy(index); | |
1004 | index = NULL; | |
1005 | end: | |
1006 | return index; | |
1007 | } | |
1008 | ||
5b29e799 | 1009 | BT_HIDDEN |
94cf822e | 1010 | void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *ds_file) |
e98a2d6e | 1011 | { |
94cf822e | 1012 | if (!ds_file) { |
5b29e799 | 1013 | return; |
043e2020 JG |
1014 | } |
1015 | ||
c5b9b441 | 1016 | bt_stream_put_ref(ds_file->stream); |
94cf822e | 1017 | (void) ds_file_munmap(ds_file); |
0982a26d | 1018 | |
94cf822e PP |
1019 | if (ds_file->file) { |
1020 | ctf_fs_file_destroy(ds_file->file); | |
e98a2d6e PP |
1021 | } |
1022 | ||
94cf822e | 1023 | g_free(ds_file); |
e98a2d6e | 1024 | } |
4f1f88a6 | 1025 | |
97ade20b JG |
1026 | BT_HIDDEN |
1027 | void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index) | |
1028 | { | |
1029 | if (!index) { | |
1030 | return; | |
1031 | } | |
1032 | ||
1033 | if (index->entries) { | |
7ed5243a | 1034 | g_ptr_array_free(index->entries, TRUE); |
97ade20b JG |
1035 | } |
1036 | g_free(index); | |
1037 | } |