Commit | Line | Data |
---|---|---|
e98a2d6e | 1 | /* |
d6e69534 | 2 | * Babeltrace - CTF message iterator |
06a626b8 | 3 | * |
44c440bc PP |
4 | * Copyright (c) 2015-2018 EfficiOS Inc. and Linux Foundation |
5 | * Copyright (c) 2015-2018 Philippe Proulx <pproulx@efficios.com> | |
e98a2d6e PP |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
24 | */ | |
25 | ||
eb7f6c4f | 26 | #define BT_COMP_LOG_SELF_COMP (notit->self_comp) |
ea14c7dd | 27 | #define BT_LOG_OUTPUT_LEVEL (notit->log_level) |
350ad6c1 | 28 | #define BT_LOG_TAG "PLUGIN/CTF/MSG-ITER" |
eb7f6c4f | 29 | #include "plugins/comp-logging.h" |
fdf0e7a0 | 30 | |
e98a2d6e PP |
31 | #include <stdint.h> |
32 | #include <inttypes.h> | |
33 | #include <stdio.h> | |
34 | #include <stddef.h> | |
35 | #include <stdbool.h> | |
578e048b | 36 | #include "common/assert.h" |
e98a2d6e | 37 | #include <string.h> |
3fadfbc0 | 38 | #include <babeltrace2/babeltrace.h> |
578e048b | 39 | #include "common/common.h" |
e98a2d6e | 40 | #include <glib.h> |
0fbb9a9f | 41 | #include <stdlib.h> |
e98a2d6e | 42 | |
d6e69534 | 43 | #include "msg-iter.h" |
5cd6d0e5 | 44 | #include "../bfcr/bfcr.h" |
e98a2d6e | 45 | |
d6e69534 | 46 | struct bt_msg_iter; |
e98a2d6e PP |
47 | |
48 | /* A visit stack entry */ | |
49 | struct stack_entry { | |
50 | /* | |
51 | * Current base field, one of: | |
52 | * | |
53 | * * string | |
54 | * * structure | |
55 | * * array | |
56 | * * sequence | |
57 | * * variant | |
58 | * | |
312c056a | 59 | * Field is borrowed. |
e98a2d6e | 60 | */ |
b19ff26f | 61 | bt_field *base; |
e98a2d6e | 62 | |
44c440bc | 63 | /* Index of next field to set */ |
e98a2d6e PP |
64 | size_t index; |
65 | }; | |
66 | ||
ea14c7dd PP |
67 | struct bt_msg_iter; |
68 | ||
e98a2d6e PP |
69 | /* Visit stack */ |
70 | struct stack { | |
ea14c7dd PP |
71 | struct bt_msg_iter *notit; |
72 | ||
afe86a06 PP |
73 | /* Entries (struct stack_entry) */ |
74 | GArray *entries; | |
75 | ||
76 | /* Number of active entries */ | |
77 | size_t size; | |
e98a2d6e PP |
78 | }; |
79 | ||
80 | /* State */ | |
81 | enum state { | |
82 | STATE_INIT, | |
83 | STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN, | |
84 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, | |
85 | STATE_AFTER_TRACE_PACKET_HEADER, | |
86 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN, | |
87 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
88 | STATE_AFTER_STREAM_PACKET_CONTEXT, | |
495490c5 | 89 | STATE_CHECK_EMIT_MSG_STREAM_BEGINNING, |
fc917f65 PP |
90 | STATE_EMIT_MSG_STREAM_BEGINNING, |
91 | STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING, | |
495490c5 PP |
92 | STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS, |
93 | STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS, | |
94 | STATE_EMIT_MSG_DISCARDED_EVENTS, | |
95 | STATE_EMIT_MSG_DISCARDED_PACKETS, | |
fc917f65 | 96 | STATE_EMIT_MSG_PACKET_BEGINNING, |
44c440bc PP |
97 | STATE_DSCOPE_EVENT_HEADER_BEGIN, |
98 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, | |
99 | STATE_AFTER_EVENT_HEADER, | |
100 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN, | |
101 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
102 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, | |
103 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, | |
e98a2d6e PP |
104 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
105 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
d6e69534 | 106 | STATE_EMIT_MSG_EVENT, |
e98a2d6e | 107 | STATE_SKIP_PACKET_PADDING, |
fc917f65 PP |
108 | STATE_EMIT_MSG_PACKET_END_MULTI, |
109 | STATE_EMIT_MSG_PACKET_END_SINGLE, | |
495490c5 | 110 | STATE_CHECK_EMIT_MSG_STREAM_ACTIVITY_END, |
fc917f65 PP |
111 | STATE_EMIT_MSG_STREAM_ACTIVITY_END, |
112 | STATE_EMIT_MSG_STREAM_END, | |
113 | STATE_DONE, | |
e98a2d6e PP |
114 | }; |
115 | ||
495490c5 PP |
116 | struct end_of_packet_snapshots { |
117 | uint64_t discarded_events; | |
118 | uint64_t packets; | |
119 | uint64_t beginning_clock; | |
120 | uint64_t end_clock; | |
121 | }; | |
122 | ||
d6e69534 PP |
123 | /* CTF message iterator */ |
124 | struct bt_msg_iter { | |
e98a2d6e PP |
125 | /* Visit stack */ |
126 | struct stack *stack; | |
127 | ||
d6e69534 PP |
128 | /* Current message iterator to create messages (weak) */ |
129 | bt_self_message_iterator *msg_iter; | |
5c563278 | 130 | |
fc917f65 PP |
131 | /* |
132 | * True to emit stream beginning and stream activity beginning | |
133 | * messages. | |
134 | */ | |
135 | bool emit_stream_begin_msg; | |
136 | ||
495490c5 | 137 | /* True to emit stream end and stream activity end messages */ |
fc917f65 PP |
138 | bool emit_stream_end_msg; |
139 | ||
495490c5 PP |
140 | /* True to set the stream */ |
141 | bool set_stream; | |
142 | ||
e98a2d6e PP |
143 | /* |
144 | * Current dynamic scope field pointer. | |
145 | * | |
312c056a PP |
146 | * This is set by read_dscope_begin_state() and contains the |
147 | * value of one of the pointers in `dscopes` below. | |
e98a2d6e | 148 | */ |
b19ff26f | 149 | bt_field *cur_dscope_field; |
e98a2d6e | 150 | |
44c440bc PP |
151 | /* |
152 | * True if we're done filling a string field from a text | |
153 | * array/sequence payload. | |
154 | */ | |
155 | bool done_filling_string; | |
156 | ||
157 | /* Trace and classes */ | |
41693723 PP |
158 | /* True to set IR fields */ |
159 | bool set_ir_fields; | |
160 | ||
e98a2d6e | 161 | struct { |
44c440bc PP |
162 | struct ctf_trace_class *tc; |
163 | struct ctf_stream_class *sc; | |
164 | struct ctf_event_class *ec; | |
e98a2d6e PP |
165 | } meta; |
166 | ||
83ebb7f1 | 167 | /* Current packet context field wrapper (NULL if not created yet) */ |
b19ff26f | 168 | bt_packet_context_field *packet_context_field; |
312c056a | 169 | |
e98a2d6e | 170 | /* Current packet (NULL if not created yet) */ |
b19ff26f | 171 | bt_packet *packet; |
e98a2d6e | 172 | |
af87daef | 173 | /* Current stream (NULL if not set yet) */ |
b19ff26f | 174 | bt_stream *stream; |
af87daef | 175 | |
312c056a | 176 | /* Current event (NULL if not created yet) */ |
b19ff26f | 177 | bt_event *event; |
312c056a | 178 | |
d6e69534 PP |
179 | /* Current event message (NULL if not created yet) */ |
180 | bt_message *event_msg; | |
312c056a | 181 | |
44c440bc | 182 | /* Database of current dynamic scopes */ |
e98a2d6e | 183 | struct { |
b19ff26f | 184 | bt_field *stream_packet_context; |
b19ff26f PP |
185 | bt_field *event_common_context; |
186 | bt_field *event_spec_context; | |
187 | bt_field *event_payload; | |
e98a2d6e PP |
188 | } dscopes; |
189 | ||
190 | /* Current state */ | |
191 | enum state state; | |
192 | ||
2cf1d51e | 193 | /* Current medium buffer data */ |
e98a2d6e PP |
194 | struct { |
195 | /* Last address provided by medium */ | |
196 | const uint8_t *addr; | |
197 | ||
198 | /* Buffer size provided by medium (bytes) */ | |
199 | size_t sz; | |
200 | ||
201 | /* Offset within whole packet of addr (bits) */ | |
202 | size_t packet_offset; | |
203 | ||
204 | /* Current position from addr (bits) */ | |
205 | size_t at; | |
174e773b PP |
206 | |
207 | /* Position of the last event header from addr (bits) */ | |
208 | size_t last_eh_at; | |
e98a2d6e PP |
209 | } buf; |
210 | ||
211 | /* Binary type reader */ | |
5cd6d0e5 | 212 | struct bt_bfcr *bfcr; |
e98a2d6e | 213 | |
2cf1d51e | 214 | /* Current medium data */ |
e98a2d6e | 215 | struct { |
d6e69534 | 216 | struct bt_msg_iter_medium_ops medops; |
e98a2d6e PP |
217 | size_t max_request_sz; |
218 | void *data; | |
219 | } medium; | |
220 | ||
221 | /* Current packet size (bits) (-1 if unknown) */ | |
44c440bc | 222 | int64_t cur_exp_packet_total_size; |
e98a2d6e PP |
223 | |
224 | /* Current content size (bits) (-1 if unknown) */ | |
44c440bc | 225 | int64_t cur_exp_packet_content_size; |
c44c3e70 | 226 | |
44c440bc PP |
227 | /* Current stream class ID */ |
228 | int64_t cur_stream_class_id; | |
9e0c8dbb | 229 | |
44c440bc PP |
230 | /* Current event class ID */ |
231 | int64_t cur_event_class_id; | |
5f870343 | 232 | |
44c440bc PP |
233 | /* Current data stream ID */ |
234 | int64_t cur_data_stream_id; | |
5f870343 JG |
235 | |
236 | /* | |
44c440bc PP |
237 | * Offset, in the underlying media, of the current packet's |
238 | * start (-1 if unknown). | |
5f870343 | 239 | */ |
44c440bc PP |
240 | off_t cur_packet_offset; |
241 | ||
242 | /* Default clock's current value */ | |
605e1019 | 243 | uint64_t default_clock_snapshot; |
5f870343 | 244 | |
495490c5 PP |
245 | /* End of current packet snapshots */ |
246 | struct end_of_packet_snapshots snapshots; | |
247 | ||
248 | /* End of previous packet snapshots */ | |
249 | struct end_of_packet_snapshots prev_packet_snapshots; | |
44c440bc PP |
250 | |
251 | /* Stored values (for sequence lengths, variant tags) */ | |
252 | GArray *stored_values; | |
ea14c7dd PP |
253 | |
254 | /* Iterator's current log level */ | |
255 | bt_logging_level log_level; | |
eb7f6c4f PP |
256 | |
257 | /* Iterator's owning self component, or `NULL` if none (query) */ | |
258 | bt_self_component *self_comp; | |
e98a2d6e PP |
259 | }; |
260 | ||
fdf0e7a0 PP |
261 | static inline |
262 | const char *state_string(enum state state) | |
263 | { | |
264 | switch (state) { | |
265 | case STATE_INIT: | |
266 | return "STATE_INIT"; | |
267 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
268 | return "STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN"; | |
269 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
270 | return "STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE"; | |
271 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
272 | return "STATE_AFTER_TRACE_PACKET_HEADER"; | |
273 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
274 | return "STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN"; | |
275 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
276 | return "STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE"; | |
277 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
278 | return "STATE_AFTER_STREAM_PACKET_CONTEXT"; | |
fc917f65 PP |
279 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
280 | return "STATE_EMIT_MSG_STREAM_BEGINNING"; | |
281 | case STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING: | |
282 | return "STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING"; | |
283 | case STATE_EMIT_MSG_PACKET_BEGINNING: | |
284 | return "STATE_EMIT_MSG_PACKET_BEGINNING"; | |
495490c5 PP |
285 | case STATE_EMIT_MSG_DISCARDED_EVENTS: |
286 | return "STATE_EMIT_MSG_DISCARDED_EVENTS"; | |
287 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
288 | return "STATE_EMIT_MSG_DISCARDED_PACKETS"; | |
44c440bc PP |
289 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
290 | return "STATE_DSCOPE_EVENT_HEADER_BEGIN"; | |
291 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: | |
292 | return "STATE_DSCOPE_EVENT_HEADER_CONTINUE"; | |
293 | case STATE_AFTER_EVENT_HEADER: | |
294 | return "STATE_AFTER_EVENT_HEADER"; | |
295 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: | |
296 | return "STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN"; | |
297 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: | |
298 | return "STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE"; | |
299 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: | |
300 | return "STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN"; | |
301 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: | |
302 | return "STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE"; | |
fdf0e7a0 PP |
303 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: |
304 | return "STATE_DSCOPE_EVENT_PAYLOAD_BEGIN"; | |
305 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
306 | return "STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE"; | |
d6e69534 PP |
307 | case STATE_EMIT_MSG_EVENT: |
308 | return "STATE_EMIT_MSG_EVENT"; | |
fdf0e7a0 PP |
309 | case STATE_SKIP_PACKET_PADDING: |
310 | return "STATE_SKIP_PACKET_PADDING"; | |
fc917f65 PP |
311 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
312 | return "STATE_EMIT_MSG_PACKET_END_MULTI"; | |
313 | case STATE_EMIT_MSG_PACKET_END_SINGLE: | |
314 | return "STATE_EMIT_MSG_PACKET_END_SINGLE"; | |
315 | case STATE_EMIT_MSG_STREAM_ACTIVITY_END: | |
316 | return "STATE_EMIT_MSG_STREAM_ACTIVITY_END"; | |
317 | case STATE_EMIT_MSG_STREAM_END: | |
318 | return "STATE_EMIT_MSG_STREAM_END"; | |
319 | case STATE_DONE: | |
320 | return "STATE_DONE"; | |
fdf0e7a0 PP |
321 | default: |
322 | return "(unknown)"; | |
323 | } | |
324 | } | |
325 | ||
2cf1d51e | 326 | static |
d6e69534 | 327 | int bt_msg_iter_switch_packet(struct bt_msg_iter *notit); |
2cf1d51e | 328 | |
e98a2d6e | 329 | static |
d6e69534 | 330 | struct stack *stack_new(struct bt_msg_iter *notit) |
e98a2d6e PP |
331 | { |
332 | struct stack *stack = NULL; | |
333 | ||
334 | stack = g_new0(struct stack, 1); | |
335 | if (!stack) { | |
eb7f6c4f | 336 | BT_COMP_LOGE_STR("Failed to allocate one stack."); |
e98a2d6e PP |
337 | goto error; |
338 | } | |
339 | ||
ea14c7dd | 340 | stack->notit = notit; |
afe86a06 | 341 | stack->entries = g_array_new(FALSE, TRUE, sizeof(struct stack_entry)); |
e98a2d6e | 342 | if (!stack->entries) { |
eb7f6c4f | 343 | BT_COMP_LOGE_STR("Failed to allocate a GArray."); |
e98a2d6e PP |
344 | goto error; |
345 | } | |
346 | ||
eb7f6c4f | 347 | BT_COMP_LOGD("Created stack: notit-addr=%p, stack-addr=%p", notit, stack); |
44c440bc | 348 | goto end; |
fdf0e7a0 | 349 | |
e98a2d6e PP |
350 | error: |
351 | g_free(stack); | |
44c440bc PP |
352 | stack = NULL; |
353 | ||
354 | end: | |
355 | return stack; | |
e98a2d6e PP |
356 | } |
357 | ||
358 | static | |
359 | void stack_destroy(struct stack *stack) | |
360 | { | |
ea14c7dd PP |
361 | struct bt_msg_iter *notit; |
362 | ||
f6ccaed9 | 363 | BT_ASSERT(stack); |
ea14c7dd | 364 | notit = stack->notit; |
eb7f6c4f | 365 | BT_COMP_LOGD("Destroying stack: addr=%p", stack); |
afe86a06 PP |
366 | |
367 | if (stack->entries) { | |
368 | g_array_free(stack->entries, TRUE); | |
369 | } | |
370 | ||
e98a2d6e PP |
371 | g_free(stack); |
372 | } | |
373 | ||
374 | static | |
b19ff26f | 375 | void stack_push(struct stack *stack, bt_field *base) |
e98a2d6e | 376 | { |
e98a2d6e | 377 | struct stack_entry *entry; |
ea14c7dd | 378 | struct bt_msg_iter *notit; |
e98a2d6e | 379 | |
f6ccaed9 | 380 | BT_ASSERT(stack); |
ea14c7dd | 381 | notit = stack->notit; |
f6ccaed9 | 382 | BT_ASSERT(base); |
eb7f6c4f | 383 | BT_COMP_LOGV("Pushing base field on stack: stack-addr=%p, " |
afe86a06 PP |
384 | "stack-size-before=%zu, stack-size-after=%zu", |
385 | stack, stack->size, stack->size + 1); | |
386 | ||
387 | if (stack->entries->len == stack->size) { | |
388 | g_array_set_size(stack->entries, stack->size + 1); | |
e98a2d6e PP |
389 | } |
390 | ||
afe86a06 | 391 | entry = &g_array_index(stack->entries, struct stack_entry, stack->size); |
312c056a | 392 | entry->base = base; |
afe86a06 PP |
393 | entry->index = 0; |
394 | stack->size++; | |
e98a2d6e PP |
395 | } |
396 | ||
397 | static inline | |
398 | unsigned int stack_size(struct stack *stack) | |
399 | { | |
f6ccaed9 | 400 | BT_ASSERT(stack); |
afe86a06 | 401 | return stack->size; |
e98a2d6e PP |
402 | } |
403 | ||
404 | static | |
405 | void stack_pop(struct stack *stack) | |
406 | { | |
ea14c7dd PP |
407 | struct bt_msg_iter *notit; |
408 | ||
f6ccaed9 PP |
409 | BT_ASSERT(stack); |
410 | BT_ASSERT(stack_size(stack)); | |
ea14c7dd | 411 | notit = stack->notit; |
eb7f6c4f | 412 | BT_COMP_LOGV("Popping from stack: " |
afe86a06 PP |
413 | "stack-addr=%p, stack-size-before=%zu, stack-size-after=%zu", |
414 | stack, stack->size, stack->size - 1); | |
415 | stack->size--; | |
e98a2d6e PP |
416 | } |
417 | ||
418 | static inline | |
419 | struct stack_entry *stack_top(struct stack *stack) | |
420 | { | |
f6ccaed9 PP |
421 | BT_ASSERT(stack); |
422 | BT_ASSERT(stack_size(stack)); | |
afe86a06 PP |
423 | return &g_array_index(stack->entries, struct stack_entry, |
424 | stack->size - 1); | |
e98a2d6e PP |
425 | } |
426 | ||
427 | static inline | |
428 | bool stack_empty(struct stack *stack) | |
429 | { | |
430 | return stack_size(stack) == 0; | |
431 | } | |
432 | ||
433 | static | |
434 | void stack_clear(struct stack *stack) | |
435 | { | |
f6ccaed9 | 436 | BT_ASSERT(stack); |
afe86a06 | 437 | stack->size = 0; |
e98a2d6e PP |
438 | } |
439 | ||
440 | static inline | |
d6e69534 PP |
441 | enum bt_msg_iter_status msg_iter_status_from_m_status( |
442 | enum bt_msg_iter_medium_status m_status) | |
e98a2d6e | 443 | { |
44c440bc | 444 | /* They are the same */ |
dc77b521 | 445 | return (int) m_status; |
e98a2d6e PP |
446 | } |
447 | ||
448 | static inline | |
d6e69534 | 449 | size_t buf_size_bits(struct bt_msg_iter *notit) |
e98a2d6e | 450 | { |
fdf0e7a0 | 451 | return notit->buf.sz * 8; |
e98a2d6e PP |
452 | } |
453 | ||
454 | static inline | |
d6e69534 | 455 | size_t buf_available_bits(struct bt_msg_iter *notit) |
e98a2d6e PP |
456 | { |
457 | return buf_size_bits(notit) - notit->buf.at; | |
458 | } | |
459 | ||
460 | static inline | |
d6e69534 | 461 | size_t packet_at(struct bt_msg_iter *notit) |
e98a2d6e PP |
462 | { |
463 | return notit->buf.packet_offset + notit->buf.at; | |
464 | } | |
465 | ||
e98a2d6e | 466 | static inline |
d6e69534 | 467 | void buf_consume_bits(struct bt_msg_iter *notit, size_t incr) |
e98a2d6e | 468 | { |
eb7f6c4f | 469 | BT_COMP_LOGV("Advancing cursor: notit-addr=%p, cur-before=%zu, cur-after=%zu", |
fdf0e7a0 | 470 | notit, notit->buf.at, notit->buf.at + incr); |
e98a2d6e PP |
471 | notit->buf.at += incr; |
472 | } | |
473 | ||
e98a2d6e | 474 | static |
d6e69534 PP |
475 | enum bt_msg_iter_status request_medium_bytes( |
476 | struct bt_msg_iter *notit) | |
e98a2d6e | 477 | { |
fdf0e7a0 PP |
478 | uint8_t *buffer_addr = NULL; |
479 | size_t buffer_sz = 0; | |
d6e69534 | 480 | enum bt_msg_iter_medium_status m_status; |
e98a2d6e | 481 | |
eb7f6c4f | 482 | BT_COMP_LOGD("Calling user function (request bytes): notit-addr=%p, " |
fdf0e7a0 | 483 | "request-size=%zu", notit, notit->medium.max_request_sz); |
e98a2d6e PP |
484 | m_status = notit->medium.medops.request_bytes( |
485 | notit->medium.max_request_sz, &buffer_addr, | |
486 | &buffer_sz, notit->medium.data); | |
eb7f6c4f | 487 | BT_COMP_LOGD("User function returned: status=%s, buf-addr=%p, buf-size=%zu", |
d6e69534 | 488 | bt_msg_iter_medium_status_string(m_status), |
fdf0e7a0 | 489 | buffer_addr, buffer_sz); |
d6e69534 | 490 | if (m_status == BT_MSG_ITER_MEDIUM_STATUS_OK) { |
f6ccaed9 | 491 | BT_ASSERT(buffer_sz != 0); |
e98a2d6e PP |
492 | |
493 | /* New packet offset is old one + old size (in bits) */ | |
494 | notit->buf.packet_offset += buf_size_bits(notit); | |
495 | ||
496 | /* Restart at the beginning of the new medium buffer */ | |
497 | notit->buf.at = 0; | |
2b186c3e | 498 | notit->buf.last_eh_at = SIZE_MAX; |
e98a2d6e PP |
499 | |
500 | /* New medium buffer size */ | |
501 | notit->buf.sz = buffer_sz; | |
502 | ||
503 | /* New medium buffer address */ | |
504 | notit->buf.addr = buffer_addr; | |
fdf0e7a0 | 505 | |
eb7f6c4f | 506 | BT_COMP_LOGD("User function returned new bytes: " |
fdf0e7a0 PP |
507 | "packet-offset=%zu, cur=%zu, size=%zu, addr=%p", |
508 | notit->buf.packet_offset, notit->buf.at, | |
509 | notit->buf.sz, notit->buf.addr); | |
eb7f6c4f | 510 | BT_COMP_LOGD_MEM(buffer_addr, buffer_sz, "Returned bytes at %p:", |
fdf0e7a0 | 511 | buffer_addr); |
d6e69534 | 512 | } else if (m_status == BT_MSG_ITER_MEDIUM_STATUS_EOF) { |
0684124b PP |
513 | /* |
514 | * User returned end of stream: validate that we're not | |
515 | * in the middle of a packet header, packet context, or | |
516 | * event. | |
517 | */ | |
44c440bc PP |
518 | if (notit->cur_exp_packet_total_size >= 0) { |
519 | if (packet_at(notit) == | |
520 | notit->cur_exp_packet_total_size) { | |
df0139b8 | 521 | goto end; |
0684124b | 522 | } |
df0139b8 PP |
523 | } else { |
524 | if (packet_at(notit) == 0) { | |
525 | goto end; | |
0684124b | 526 | } |
0684124b | 527 | |
df0139b8 PP |
528 | if (notit->buf.last_eh_at != SIZE_MAX && |
529 | notit->buf.at == notit->buf.last_eh_at) { | |
530 | goto end; | |
0684124b PP |
531 | } |
532 | } | |
533 | ||
0684124b | 534 | /* All other states are invalid */ |
eb7f6c4f | 535 | BT_COMP_LOGW("User function returned %s, but message iterator is in an unexpected state: " |
df0139b8 PP |
536 | "state=%s, cur-packet-size=%" PRId64 ", cur=%zu, " |
537 | "packet-cur=%zu, last-eh-at=%zu", | |
d6e69534 | 538 | bt_msg_iter_medium_status_string(m_status), |
df0139b8 | 539 | state_string(notit->state), |
44c440bc | 540 | notit->cur_exp_packet_total_size, |
df0139b8 PP |
541 | notit->buf.at, packet_at(notit), |
542 | notit->buf.last_eh_at); | |
d6e69534 | 543 | m_status = BT_MSG_ITER_MEDIUM_STATUS_ERROR; |
fdf0e7a0 | 544 | } else if (m_status < 0) { |
eb7f6c4f | 545 | BT_COMP_LOGW("User function failed: status=%s", |
d6e69534 | 546 | bt_msg_iter_medium_status_string(m_status)); |
e98a2d6e PP |
547 | } |
548 | ||
df0139b8 | 549 | end: |
d6e69534 | 550 | return msg_iter_status_from_m_status(m_status); |
e98a2d6e PP |
551 | } |
552 | ||
553 | static inline | |
d6e69534 PP |
554 | enum bt_msg_iter_status buf_ensure_available_bits( |
555 | struct bt_msg_iter *notit) | |
e98a2d6e | 556 | { |
d6e69534 | 557 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
e98a2d6e | 558 | |
91d81473 | 559 | if (G_UNLIKELY(buf_available_bits(notit) == 0)) { |
e98a2d6e | 560 | /* |
d6e69534 | 561 | * This _cannot_ return BT_MSG_ITER_STATUS_OK |
e98a2d6e PP |
562 | * _and_ no bits. |
563 | */ | |
564 | status = request_medium_bytes(notit); | |
565 | } | |
566 | ||
567 | return status; | |
568 | } | |
569 | ||
570 | static | |
d6e69534 PP |
571 | enum bt_msg_iter_status read_dscope_begin_state( |
572 | struct bt_msg_iter *notit, | |
5cd6d0e5 | 573 | struct ctf_field_class *dscope_fc, |
e98a2d6e | 574 | enum state done_state, enum state continue_state, |
b19ff26f | 575 | bt_field *dscope_field) |
e98a2d6e | 576 | { |
d6e69534 | 577 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 578 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
579 | size_t consumed_bits; |
580 | ||
e98a2d6e | 581 | notit->cur_dscope_field = dscope_field; |
eb7f6c4f | 582 | BT_COMP_LOGV("Starting BFCR: notit-addr=%p, bfcr-addr=%p, fc-addr=%p", |
5cd6d0e5 PP |
583 | notit, notit->bfcr, dscope_fc); |
584 | consumed_bits = bt_bfcr_start(notit->bfcr, dscope_fc, | |
e98a2d6e | 585 | notit->buf.addr, notit->buf.at, packet_at(notit), |
5cd6d0e5 | 586 | notit->buf.sz, &bfcr_status); |
eb7f6c4f | 587 | BT_COMP_LOGV("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 588 | |
5cd6d0e5 PP |
589 | switch (bfcr_status) { |
590 | case BT_BFCR_STATUS_OK: | |
591 | /* Field class was read completely */ | |
eb7f6c4f | 592 | BT_COMP_LOGV_STR("Field was completely decoded."); |
e98a2d6e PP |
593 | notit->state = done_state; |
594 | break; | |
5cd6d0e5 | 595 | case BT_BFCR_STATUS_EOF: |
eb7f6c4f | 596 | BT_COMP_LOGV_STR("BFCR needs more data to decode field completely."); |
e98a2d6e PP |
597 | notit->state = continue_state; |
598 | break; | |
599 | default: | |
eb7f6c4f | 600 | BT_COMP_LOGW("BFCR failed to start: notit-addr=%p, bfcr-addr=%p, " |
5cd6d0e5 PP |
601 | "status=%s", notit, notit->bfcr, |
602 | bt_bfcr_status_string(bfcr_status)); | |
d6e69534 | 603 | status = BT_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
604 | goto end; |
605 | } | |
606 | ||
607 | /* Consume bits now since we know we're not in an error state */ | |
608 | buf_consume_bits(notit, consumed_bits); | |
609 | ||
610 | end: | |
611 | return status; | |
612 | } | |
613 | ||
614 | static | |
d6e69534 PP |
615 | enum bt_msg_iter_status read_dscope_continue_state( |
616 | struct bt_msg_iter *notit, enum state done_state) | |
e98a2d6e | 617 | { |
d6e69534 | 618 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 619 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
620 | size_t consumed_bits; |
621 | ||
eb7f6c4f | 622 | BT_COMP_LOGV("Continuing BFCR: notit-addr=%p, bfcr-addr=%p", |
5cd6d0e5 | 623 | notit, notit->bfcr); |
df0139b8 | 624 | |
e98a2d6e | 625 | status = buf_ensure_available_bits(notit); |
d6e69534 | 626 | if (status != BT_MSG_ITER_STATUS_OK) { |
fdf0e7a0 | 627 | if (status < 0) { |
eb7f6c4f | 628 | BT_COMP_LOGW("Cannot ensure that buffer has at least one byte: " |
d6e69534 PP |
629 | "msg-addr=%p, status=%s", |
630 | notit, bt_msg_iter_status_string(status)); | |
fdf0e7a0 | 631 | } else { |
eb7f6c4f | 632 | BT_COMP_LOGV("Cannot ensure that buffer has at least one byte: " |
d6e69534 PP |
633 | "msg-addr=%p, status=%s", |
634 | notit, bt_msg_iter_status_string(status)); | |
fdf0e7a0 PP |
635 | } |
636 | ||
e98a2d6e PP |
637 | goto end; |
638 | } | |
639 | ||
5cd6d0e5 PP |
640 | consumed_bits = bt_bfcr_continue(notit->bfcr, notit->buf.addr, |
641 | notit->buf.sz, &bfcr_status); | |
eb7f6c4f | 642 | BT_COMP_LOGV("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 643 | |
5cd6d0e5 PP |
644 | switch (bfcr_status) { |
645 | case BT_BFCR_STATUS_OK: | |
78586d8a | 646 | /* Type was read completely. */ |
eb7f6c4f | 647 | BT_COMP_LOGV_STR("Field was completely decoded."); |
e98a2d6e PP |
648 | notit->state = done_state; |
649 | break; | |
5cd6d0e5 | 650 | case BT_BFCR_STATUS_EOF: |
78586d8a | 651 | /* Stay in this continue state. */ |
eb7f6c4f | 652 | BT_COMP_LOGV_STR("BFCR needs more data to decode field completely."); |
e98a2d6e PP |
653 | break; |
654 | default: | |
eb7f6c4f | 655 | BT_COMP_LOGW("BFCR failed to continue: notit-addr=%p, bfcr-addr=%p, " |
5cd6d0e5 PP |
656 | "status=%s", notit, notit->bfcr, |
657 | bt_bfcr_status_string(bfcr_status)); | |
d6e69534 | 658 | status = BT_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
659 | goto end; |
660 | } | |
661 | ||
78586d8a | 662 | /* Consume bits now since we know we're not in an error state. */ |
e98a2d6e | 663 | buf_consume_bits(notit, consumed_bits); |
e98a2d6e PP |
664 | end: |
665 | return status; | |
666 | } | |
667 | ||
668 | static | |
d6e69534 | 669 | void release_event_dscopes(struct bt_msg_iter *notit) |
e98a2d6e | 670 | { |
44c440bc PP |
671 | notit->dscopes.event_common_context = NULL; |
672 | notit->dscopes.event_spec_context = NULL; | |
312c056a | 673 | notit->dscopes.event_payload = NULL; |
e98a2d6e PP |
674 | } |
675 | ||
676 | static | |
d6e69534 | 677 | void release_all_dscopes(struct bt_msg_iter *notit) |
e98a2d6e | 678 | { |
312c056a PP |
679 | notit->dscopes.stream_packet_context = NULL; |
680 | ||
681 | if (notit->packet_context_field) { | |
40f4ba76 | 682 | bt_packet_context_field_release(notit->packet_context_field); |
312c056a PP |
683 | notit->packet_context_field = NULL; |
684 | } | |
685 | ||
686 | release_event_dscopes(notit); | |
e98a2d6e PP |
687 | } |
688 | ||
689 | static | |
d6e69534 PP |
690 | enum bt_msg_iter_status read_packet_header_begin_state( |
691 | struct bt_msg_iter *notit) | |
e98a2d6e | 692 | { |
5cd6d0e5 | 693 | struct ctf_field_class *packet_header_fc = NULL; |
d6e69534 | 694 | enum bt_msg_iter_status ret = BT_MSG_ITER_STATUS_OK; |
e98a2d6e | 695 | |
d6e69534 | 696 | if (bt_msg_iter_switch_packet(notit)) { |
eb7f6c4f | 697 | BT_COMP_LOGW("Cannot switch packet: notit-addr=%p", notit); |
d6e69534 | 698 | ret = BT_MSG_ITER_STATUS_ERROR; |
2cf1d51e JG |
699 | goto end; |
700 | } | |
e98a2d6e | 701 | |
fc917f65 PP |
702 | /* |
703 | * Make sure at least one bit is available for this packet. An | |
704 | * empty packet is impossible. If we reach the end of the medium | |
705 | * at this point, then it's considered the end of the stream. | |
706 | */ | |
707 | ret = buf_ensure_available_bits(notit); | |
708 | switch (ret) { | |
709 | case BT_MSG_ITER_STATUS_OK: | |
710 | break; | |
711 | case BT_MSG_ITER_STATUS_EOF: | |
712 | ret = BT_MSG_ITER_STATUS_OK; | |
495490c5 | 713 | notit->state = STATE_CHECK_EMIT_MSG_STREAM_ACTIVITY_END; |
fc917f65 PP |
714 | goto end; |
715 | default: | |
716 | goto end; | |
717 | } | |
718 | ||
862ca4ed | 719 | /* Packet header class is common to the whole trace class. */ |
5cd6d0e5 PP |
720 | packet_header_fc = notit->meta.tc->packet_header_fc; |
721 | if (!packet_header_fc) { | |
835b2d10 | 722 | notit->state = STATE_AFTER_TRACE_PACKET_HEADER; |
e98a2d6e PP |
723 | goto end; |
724 | } | |
725 | ||
44c440bc PP |
726 | notit->cur_stream_class_id = -1; |
727 | notit->cur_event_class_id = -1; | |
728 | notit->cur_data_stream_id = -1; | |
eb7f6c4f | 729 | BT_COMP_LOGD("Decoding packet header field:" |
862ca4ed PP |
730 | "notit-addr=%p, trace-class-addr=%p, fc-addr=%p", |
731 | notit, notit->meta.tc, packet_header_fc); | |
5cd6d0e5 | 732 | ret = read_dscope_begin_state(notit, packet_header_fc, |
fdf0e7a0 | 733 | STATE_AFTER_TRACE_PACKET_HEADER, |
83ebb7f1 | 734 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, NULL); |
fdf0e7a0 | 735 | if (ret < 0) { |
eb7f6c4f | 736 | BT_COMP_LOGW("Cannot decode packet header field: " |
862ca4ed PP |
737 | "notit-addr=%p, trace-class-addr=%p, " |
738 | "fc-addr=%p", | |
739 | notit, notit->meta.tc, packet_header_fc); | |
fdf0e7a0 | 740 | } |
d1e46835 | 741 | |
e98a2d6e | 742 | end: |
2cf1d51e | 743 | return ret; |
e98a2d6e PP |
744 | } |
745 | ||
746 | static | |
d6e69534 PP |
747 | enum bt_msg_iter_status read_packet_header_continue_state( |
748 | struct bt_msg_iter *notit) | |
e98a2d6e PP |
749 | { |
750 | return read_dscope_continue_state(notit, | |
44c440bc | 751 | STATE_AFTER_TRACE_PACKET_HEADER); |
5f870343 JG |
752 | } |
753 | ||
e98a2d6e | 754 | static inline |
d6e69534 | 755 | enum bt_msg_iter_status set_current_stream_class(struct bt_msg_iter *notit) |
e98a2d6e | 756 | { |
d6e69534 | 757 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
44c440bc PP |
758 | struct ctf_stream_class *new_stream_class = NULL; |
759 | ||
760 | if (notit->cur_stream_class_id == -1) { | |
fdf0e7a0 | 761 | /* |
44c440bc PP |
762 | * No current stream class ID field, therefore only one |
763 | * stream class. | |
fdf0e7a0 | 764 | */ |
44c440bc | 765 | if (notit->meta.tc->stream_classes->len != 1) { |
eb7f6c4f | 766 | BT_COMP_LOGW("Need exactly one stream class since there's " |
44c440bc | 767 | "no stream class ID field: " |
862ca4ed | 768 | "notit-addr=%p", notit); |
d6e69534 | 769 | status = BT_MSG_ITER_STATUS_ERROR; |
44c440bc PP |
770 | goto end; |
771 | } | |
e98a2d6e | 772 | |
44c440bc PP |
773 | new_stream_class = notit->meta.tc->stream_classes->pdata[0]; |
774 | notit->cur_stream_class_id = new_stream_class->id; | |
e98a2d6e PP |
775 | } |
776 | ||
44c440bc PP |
777 | new_stream_class = ctf_trace_class_borrow_stream_class_by_id( |
778 | notit->meta.tc, notit->cur_stream_class_id); | |
115de887 | 779 | if (!new_stream_class) { |
eb7f6c4f | 780 | BT_COMP_LOGW("No stream class with ID of stream class ID to use in trace class: " |
fdf0e7a0 | 781 | "notit-addr=%p, stream-class-id=%" PRIu64 ", " |
862ca4ed PP |
782 | "trace-class-addr=%p", |
783 | notit, notit->cur_stream_class_id, notit->meta.tc); | |
d6e69534 | 784 | status = BT_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
785 | goto end; |
786 | } | |
787 | ||
44c440bc PP |
788 | if (notit->meta.sc) { |
789 | if (new_stream_class != notit->meta.sc) { | |
eb7f6c4f | 790 | BT_COMP_LOGW("Two packets refer to two different stream classes within the same packet sequence: " |
115de887 | 791 | "notit-addr=%p, prev-stream-class-addr=%p, " |
115de887 PP |
792 | "prev-stream-class-id=%" PRId64 ", " |
793 | "next-stream-class-addr=%p, " | |
115de887 | 794 | "next-stream-class-id=%" PRId64 ", " |
862ca4ed | 795 | "trace-addr=%p", |
44c440bc PP |
796 | notit, notit->meta.sc, |
797 | notit->meta.sc->id, | |
115de887 | 798 | new_stream_class, |
44c440bc | 799 | new_stream_class->id, |
862ca4ed | 800 | notit->meta.tc); |
d6e69534 | 801 | status = BT_MSG_ITER_STATUS_ERROR; |
115de887 PP |
802 | goto end; |
803 | } | |
804 | } else { | |
44c440bc | 805 | notit->meta.sc = new_stream_class; |
115de887 PP |
806 | } |
807 | ||
eb7f6c4f | 808 | BT_COMP_LOGD("Set current stream class: " |
fdf0e7a0 | 809 | "notit-addr=%p, stream-class-addr=%p, " |
44c440bc PP |
810 | "stream-class-id=%" PRId64, |
811 | notit, notit->meta.sc, notit->meta.sc->id); | |
d1e46835 | 812 | |
e98a2d6e | 813 | end: |
e98a2d6e PP |
814 | return status; |
815 | } | |
816 | ||
312c056a | 817 | static inline |
d6e69534 | 818 | enum bt_msg_iter_status set_current_stream(struct bt_msg_iter *notit) |
312c056a | 819 | { |
d6e69534 | 820 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
b19ff26f | 821 | bt_stream *stream = NULL; |
312c056a | 822 | |
eb7f6c4f | 823 | BT_COMP_LOGD("Calling user function (get stream): notit-addr=%p, " |
44c440bc PP |
824 | "stream-class-addr=%p, stream-class-id=%" PRId64, |
825 | notit, notit->meta.sc, | |
826 | notit->meta.sc->id); | |
398454ed | 827 | stream = notit->medium.medops.borrow_stream( |
44c440bc | 828 | notit->meta.sc->ir_sc, notit->cur_data_stream_id, |
398454ed | 829 | notit->medium.data); |
c5b9b441 | 830 | bt_stream_get_ref(stream); |
eb7f6c4f | 831 | BT_COMP_LOGD("User function returned: stream-addr=%p", stream); |
312c056a | 832 | if (!stream) { |
eb7f6c4f | 833 | BT_COMP_LOGW_STR("User function failed to return a stream object " |
44c440bc | 834 | "for the given stream class."); |
d6e69534 | 835 | status = BT_MSG_ITER_STATUS_ERROR; |
312c056a PP |
836 | goto end; |
837 | } | |
838 | ||
839 | if (notit->stream && stream != notit->stream) { | |
eb7f6c4f | 840 | BT_COMP_LOGW("User function returned a different stream than the " |
44c440bc | 841 | "previous one for the same sequence of packets."); |
d6e69534 | 842 | status = BT_MSG_ITER_STATUS_ERROR; |
312c056a PP |
843 | goto end; |
844 | } | |
845 | ||
c5b9b441 | 846 | BT_STREAM_MOVE_REF(notit->stream, stream); |
312c056a PP |
847 | |
848 | end: | |
c5b9b441 | 849 | bt_stream_put_ref(stream); |
312c056a PP |
850 | return status; |
851 | } | |
852 | ||
853 | static inline | |
d6e69534 | 854 | enum bt_msg_iter_status set_current_packet(struct bt_msg_iter *notit) |
312c056a | 855 | { |
d6e69534 | 856 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
b19ff26f | 857 | bt_packet *packet = NULL; |
312c056a | 858 | |
eb7f6c4f | 859 | BT_COMP_LOGD("Creating packet for packet message: " |
312c056a | 860 | "notit-addr=%p", notit); |
eb7f6c4f | 861 | BT_COMP_LOGD("Creating packet from stream: " |
312c056a PP |
862 | "notit-addr=%p, stream-addr=%p, " |
863 | "stream-class-addr=%p, " | |
312c056a | 864 | "stream-class-id=%" PRId64, |
44c440bc PP |
865 | notit, notit->stream, notit->meta.sc, |
866 | notit->meta.sc->id); | |
312c056a PP |
867 | |
868 | /* Create packet */ | |
869 | BT_ASSERT(notit->stream); | |
40f4ba76 | 870 | packet = bt_packet_create(notit->stream); |
312c056a | 871 | if (!packet) { |
eb7f6c4f | 872 | BT_COMP_LOGE("Cannot create packet from stream: " |
312c056a PP |
873 | "notit-addr=%p, stream-addr=%p, " |
874 | "stream-class-addr=%p, " | |
312c056a | 875 | "stream-class-id=%" PRId64, |
44c440bc PP |
876 | notit, notit->stream, notit->meta.sc, |
877 | notit->meta.sc->id); | |
312c056a PP |
878 | goto error; |
879 | } | |
880 | ||
881 | goto end; | |
882 | ||
883 | error: | |
c5b9b441 | 884 | BT_PACKET_PUT_REF_AND_RESET(packet); |
d6e69534 | 885 | status = BT_MSG_ITER_STATUS_ERROR; |
312c056a PP |
886 | |
887 | end: | |
c5b9b441 | 888 | BT_PACKET_MOVE_REF(notit->packet, packet); |
312c056a PP |
889 | return status; |
890 | } | |
891 | ||
e98a2d6e | 892 | static |
d6e69534 PP |
893 | enum bt_msg_iter_status after_packet_header_state( |
894 | struct bt_msg_iter *notit) | |
e98a2d6e | 895 | { |
d6e69534 | 896 | enum bt_msg_iter_status status; |
e98a2d6e PP |
897 | |
898 | status = set_current_stream_class(notit); | |
d6e69534 | 899 | if (status != BT_MSG_ITER_STATUS_OK) { |
312c056a | 900 | goto end; |
e98a2d6e PP |
901 | } |
902 | ||
312c056a PP |
903 | notit->state = STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN; |
904 | ||
905 | end: | |
e98a2d6e PP |
906 | return status; |
907 | } | |
908 | ||
909 | static | |
d6e69534 PP |
910 | enum bt_msg_iter_status read_packet_context_begin_state( |
911 | struct bt_msg_iter *notit) | |
e98a2d6e | 912 | { |
d6e69534 | 913 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 914 | struct ctf_field_class *packet_context_fc; |
e98a2d6e | 915 | |
44c440bc | 916 | BT_ASSERT(notit->meta.sc); |
5cd6d0e5 PP |
917 | packet_context_fc = notit->meta.sc->packet_context_fc; |
918 | if (!packet_context_fc) { | |
eb7f6c4f | 919 | BT_COMP_LOGD("No packet packet context field class in stream class: continuing: " |
fdf0e7a0 | 920 | "notit-addr=%p, stream-class-addr=%p, " |
44c440bc PP |
921 | "stream-class-id=%" PRId64, |
922 | notit, notit->meta.sc, | |
923 | notit->meta.sc->id); | |
835b2d10 | 924 | notit->state = STATE_AFTER_STREAM_PACKET_CONTEXT; |
e98a2d6e PP |
925 | goto end; |
926 | } | |
927 | ||
312c056a | 928 | BT_ASSERT(!notit->packet_context_field); |
44c440bc | 929 | |
5cd6d0e5 | 930 | if (packet_context_fc->in_ir) { |
44c440bc PP |
931 | /* |
932 | * Create free packet context field from stream class. | |
933 | * This field is going to be moved to the packet once we | |
934 | * create it. We cannot create the packet now because a | |
935 | * packet is created from a stream, and this API must be | |
83ebb7f1 PP |
936 | * able to return the packet context properties without |
937 | * creating a stream | |
938 | * (bt_msg_iter_get_packet_properties()). | |
44c440bc PP |
939 | */ |
940 | notit->packet_context_field = | |
40f4ba76 | 941 | bt_packet_context_field_create( |
e5be10ef | 942 | notit->meta.sc->ir_sc); |
44c440bc | 943 | if (!notit->packet_context_field) { |
eb7f6c4f | 944 | BT_COMP_LOGE_STR("Cannot create packet context field wrapper from stream class."); |
d6e69534 | 945 | status = BT_MSG_ITER_STATUS_ERROR; |
44c440bc PP |
946 | goto end; |
947 | } | |
948 | ||
949 | notit->dscopes.stream_packet_context = | |
40f4ba76 | 950 | bt_packet_context_field_borrow_field( |
e5be10ef | 951 | notit->packet_context_field); |
44c440bc | 952 | BT_ASSERT(notit->dscopes.stream_packet_context); |
312c056a PP |
953 | } |
954 | ||
eb7f6c4f | 955 | BT_COMP_LOGD("Decoding packet context field: " |
fdf0e7a0 | 956 | "notit-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 957 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc | 958 | notit, notit->meta.sc, |
5cd6d0e5 PP |
959 | notit->meta.sc->id, packet_context_fc); |
960 | status = read_dscope_begin_state(notit, packet_context_fc, | |
fdf0e7a0 PP |
961 | STATE_AFTER_STREAM_PACKET_CONTEXT, |
962 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
312c056a | 963 | notit->dscopes.stream_packet_context); |
fdf0e7a0 | 964 | if (status < 0) { |
eb7f6c4f | 965 | BT_COMP_LOGW("Cannot decode packet context field: " |
fdf0e7a0 | 966 | "notit-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 967 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc PP |
968 | notit, notit->meta.sc, |
969 | notit->meta.sc->id, | |
5cd6d0e5 | 970 | packet_context_fc); |
fdf0e7a0 | 971 | } |
e98a2d6e PP |
972 | |
973 | end: | |
e98a2d6e PP |
974 | return status; |
975 | } | |
976 | ||
977 | static | |
d6e69534 PP |
978 | enum bt_msg_iter_status read_packet_context_continue_state( |
979 | struct bt_msg_iter *notit) | |
e98a2d6e PP |
980 | { |
981 | return read_dscope_continue_state(notit, | |
78586d8a | 982 | STATE_AFTER_STREAM_PACKET_CONTEXT); |
e98a2d6e PP |
983 | } |
984 | ||
78586d8a | 985 | static |
d6e69534 PP |
986 | enum bt_msg_iter_status set_current_packet_content_sizes( |
987 | struct bt_msg_iter *notit) | |
e98a2d6e | 988 | { |
d6e69534 | 989 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
e98a2d6e | 990 | |
44c440bc PP |
991 | if (notit->cur_exp_packet_total_size == -1) { |
992 | if (notit->cur_exp_packet_content_size != -1) { | |
01f71e30 PP |
993 | notit->cur_exp_packet_total_size = |
994 | notit->cur_exp_packet_content_size; | |
e98a2d6e | 995 | } |
e98a2d6e | 996 | } else { |
44c440bc PP |
997 | if (notit->cur_exp_packet_content_size == -1) { |
998 | notit->cur_exp_packet_content_size = | |
999 | notit->cur_exp_packet_total_size; | |
1000 | } | |
e98a2d6e PP |
1001 | } |
1002 | ||
9067de2b PP |
1003 | BT_ASSERT((notit->cur_exp_packet_total_size >= 0 && |
1004 | notit->cur_exp_packet_content_size >= 0) || | |
1005 | (notit->cur_exp_packet_total_size < 0 && | |
1006 | notit->cur_exp_packet_content_size < 0)); | |
01f71e30 | 1007 | |
44c440bc PP |
1008 | if (notit->cur_exp_packet_content_size > |
1009 | notit->cur_exp_packet_total_size) { | |
eb7f6c4f | 1010 | BT_COMP_LOGW("Invalid packet or content size: " |
44c440bc | 1011 | "content size is greater than packet size: " |
fdf0e7a0 | 1012 | "notit-addr=%p, packet-context-field-addr=%p, " |
44c440bc | 1013 | "packet-size=%" PRId64 ", content-size=%" PRId64, |
fdf0e7a0 | 1014 | notit, notit->dscopes.stream_packet_context, |
44c440bc PP |
1015 | notit->cur_exp_packet_total_size, |
1016 | notit->cur_exp_packet_content_size); | |
d6e69534 | 1017 | status = BT_MSG_ITER_STATUS_ERROR; |
fdf0e7a0 PP |
1018 | goto end; |
1019 | } | |
1020 | ||
eb7f6c4f | 1021 | BT_COMP_LOGD("Set current packet and content sizes: " |
fdf0e7a0 | 1022 | "notit-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, |
44c440bc PP |
1023 | notit, notit->cur_exp_packet_total_size, |
1024 | notit->cur_exp_packet_content_size); | |
fc917f65 | 1025 | |
e98a2d6e | 1026 | end: |
e98a2d6e PP |
1027 | return status; |
1028 | } | |
1029 | ||
1030 | static | |
fc917f65 | 1031 | enum bt_msg_iter_status after_packet_context_state(struct bt_msg_iter *notit) |
e98a2d6e | 1032 | { |
d6e69534 | 1033 | enum bt_msg_iter_status status; |
e98a2d6e PP |
1034 | |
1035 | status = set_current_packet_content_sizes(notit); | |
d6e69534 | 1036 | if (status != BT_MSG_ITER_STATUS_OK) { |
e22b45d0 PP |
1037 | goto end; |
1038 | } | |
1039 | ||
fc917f65 PP |
1040 | if (notit->stream) { |
1041 | /* | |
1042 | * Stream exists, which means we already emitted at | |
1043 | * least one packet beginning message, so the initial | |
1044 | * stream beginning message was also emitted. | |
1045 | */ | |
495490c5 | 1046 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
e22b45d0 | 1047 | } else { |
495490c5 | 1048 | notit->state = STATE_CHECK_EMIT_MSG_STREAM_BEGINNING; |
e98a2d6e PP |
1049 | } |
1050 | ||
e22b45d0 | 1051 | end: |
e98a2d6e PP |
1052 | return status; |
1053 | } | |
1054 | ||
1055 | static | |
fc917f65 | 1056 | enum bt_msg_iter_status read_event_header_begin_state(struct bt_msg_iter *notit) |
e98a2d6e | 1057 | { |
d6e69534 | 1058 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 1059 | struct ctf_field_class *event_header_fc = NULL; |
e98a2d6e | 1060 | |
174e773b PP |
1061 | /* Reset the position of the last event header */ |
1062 | notit->buf.last_eh_at = notit->buf.at; | |
44c440bc | 1063 | notit->cur_event_class_id = -1; |
174e773b | 1064 | |
e98a2d6e | 1065 | /* Check if we have some content left */ |
44c440bc | 1066 | if (notit->cur_exp_packet_content_size >= 0) { |
91d81473 | 1067 | if (G_UNLIKELY(packet_at(notit) == |
44c440bc | 1068 | notit->cur_exp_packet_content_size)) { |
e98a2d6e | 1069 | /* No more events! */ |
eb7f6c4f | 1070 | BT_COMP_LOGD("Reached end of packet: notit-addr=%p, " |
fdf0e7a0 | 1071 | "cur=%zu", notit, packet_at(notit)); |
fc917f65 | 1072 | notit->state = STATE_EMIT_MSG_PACKET_END_MULTI; |
e98a2d6e | 1073 | goto end; |
91d81473 | 1074 | } else if (G_UNLIKELY(packet_at(notit) > |
44c440bc | 1075 | notit->cur_exp_packet_content_size)) { |
e98a2d6e | 1076 | /* That's not supposed to happen */ |
eb7f6c4f | 1077 | BT_COMP_LOGD("Before decoding event header field: cursor is passed the packet's content: " |
1974687e | 1078 | "notit-addr=%p, content-size=%" PRId64 ", " |
44c440bc PP |
1079 | "cur=%zu", notit, |
1080 | notit->cur_exp_packet_content_size, | |
fdf0e7a0 | 1081 | packet_at(notit)); |
d6e69534 | 1082 | status = BT_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1083 | goto end; |
1084 | } | |
44c440bc PP |
1085 | } else { |
1086 | /* | |
1087 | * "Infinite" content: we're done when the medium has | |
1088 | * nothing else for us. | |
1089 | */ | |
1090 | status = buf_ensure_available_bits(notit); | |
fc917f65 PP |
1091 | switch (status) { |
1092 | case BT_MSG_ITER_STATUS_OK: | |
1093 | break; | |
1094 | case BT_MSG_ITER_STATUS_EOF: | |
1095 | status = BT_MSG_ITER_STATUS_OK; | |
1096 | notit->state = STATE_EMIT_MSG_PACKET_END_SINGLE; | |
1097 | goto end; | |
1098 | default: | |
44c440bc PP |
1099 | goto end; |
1100 | } | |
e98a2d6e PP |
1101 | } |
1102 | ||
312c056a | 1103 | release_event_dscopes(notit); |
44c440bc | 1104 | BT_ASSERT(notit->meta.sc); |
5cd6d0e5 PP |
1105 | event_header_fc = notit->meta.sc->event_header_fc; |
1106 | if (!event_header_fc) { | |
44c440bc | 1107 | notit->state = STATE_AFTER_EVENT_HEADER; |
e98a2d6e PP |
1108 | goto end; |
1109 | } | |
1110 | ||
eb7f6c4f | 1111 | BT_COMP_LOGD("Decoding event header field: " |
fdf0e7a0 | 1112 | "notit-addr=%p, stream-class-addr=%p, " |
44c440bc | 1113 | "stream-class-id=%" PRId64 ", " |
5cd6d0e5 | 1114 | "fc-addr=%p", |
44c440bc PP |
1115 | notit, notit->meta.sc, |
1116 | notit->meta.sc->id, | |
5cd6d0e5 PP |
1117 | event_header_fc); |
1118 | status = read_dscope_begin_state(notit, event_header_fc, | |
44c440bc | 1119 | STATE_AFTER_EVENT_HEADER, |
83ebb7f1 | 1120 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, NULL); |
fdf0e7a0 | 1121 | if (status < 0) { |
eb7f6c4f | 1122 | BT_COMP_LOGW("Cannot decode event header field: " |
fdf0e7a0 | 1123 | "notit-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1124 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc PP |
1125 | notit, notit->meta.sc, |
1126 | notit->meta.sc->id, | |
5cd6d0e5 | 1127 | event_header_fc); |
fdf0e7a0 | 1128 | } |
e98a2d6e | 1129 | |
d1e46835 | 1130 | end: |
e98a2d6e PP |
1131 | return status; |
1132 | } | |
1133 | ||
1134 | static | |
d6e69534 PP |
1135 | enum bt_msg_iter_status read_event_header_continue_state( |
1136 | struct bt_msg_iter *notit) | |
e98a2d6e PP |
1137 | { |
1138 | return read_dscope_continue_state(notit, | |
44c440bc | 1139 | STATE_AFTER_EVENT_HEADER); |
e98a2d6e PP |
1140 | } |
1141 | ||
1142 | static inline | |
d6e69534 | 1143 | enum bt_msg_iter_status set_current_event_class(struct bt_msg_iter *notit) |
e98a2d6e | 1144 | { |
d6e69534 | 1145 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
e98a2d6e | 1146 | |
44c440bc | 1147 | struct ctf_event_class *new_event_class = NULL; |
e98a2d6e | 1148 | |
44c440bc | 1149 | if (notit->cur_event_class_id == -1) { |
e98a2d6e | 1150 | /* |
44c440bc PP |
1151 | * No current event class ID field, therefore only one |
1152 | * event class. | |
e98a2d6e | 1153 | */ |
44c440bc | 1154 | if (notit->meta.sc->event_classes->len != 1) { |
eb7f6c4f | 1155 | BT_COMP_LOGW("Need exactly one event class since there's " |
44c440bc | 1156 | "no event class ID field: " |
862ca4ed | 1157 | "notit-addr=%p", notit); |
d6e69534 | 1158 | status = BT_MSG_ITER_STATUS_ERROR; |
44c440bc | 1159 | goto end; |
fdf0e7a0 | 1160 | } |
e98a2d6e | 1161 | |
44c440bc PP |
1162 | new_event_class = notit->meta.sc->event_classes->pdata[0]; |
1163 | notit->cur_event_class_id = new_event_class->id; | |
e98a2d6e PP |
1164 | } |
1165 | ||
44c440bc PP |
1166 | new_event_class = ctf_stream_class_borrow_event_class_by_id( |
1167 | notit->meta.sc, notit->cur_event_class_id); | |
1168 | if (!new_event_class) { | |
eb7f6c4f | 1169 | BT_COMP_LOGW("No event class with ID of event class ID to use in stream class: " |
44c440bc PP |
1170 | "notit-addr=%p, stream-class-id=%" PRIu64 ", " |
1171 | "event-class-id=%" PRIu64 ", " | |
862ca4ed | 1172 | "trace-class-addr=%p", |
44c440bc | 1173 | notit, notit->meta.sc->id, notit->cur_event_class_id, |
862ca4ed | 1174 | notit->meta.tc); |
d6e69534 | 1175 | status = BT_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1176 | goto end; |
1177 | } | |
1178 | ||
44c440bc | 1179 | notit->meta.ec = new_event_class; |
eb7f6c4f | 1180 | BT_COMP_LOGD("Set current event class: " |
fdf0e7a0 | 1181 | "notit-addr=%p, event-class-addr=%p, " |
44c440bc PP |
1182 | "event-class-id=%" PRId64 ", " |
1183 | "event-class-name=\"%s\"", | |
1184 | notit, notit->meta.ec, notit->meta.ec->id, | |
1185 | notit->meta.ec->name->str); | |
fdf0e7a0 | 1186 | |
e98a2d6e | 1187 | end: |
e98a2d6e PP |
1188 | return status; |
1189 | } | |
1190 | ||
312c056a | 1191 | static inline |
d6e69534 PP |
1192 | enum bt_msg_iter_status set_current_event_message( |
1193 | struct bt_msg_iter *notit) | |
312c056a | 1194 | { |
d6e69534 PP |
1195 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
1196 | bt_message *msg = NULL; | |
312c056a | 1197 | |
44c440bc | 1198 | BT_ASSERT(notit->meta.ec); |
312c056a | 1199 | BT_ASSERT(notit->packet); |
eb7f6c4f | 1200 | BT_COMP_LOGD("Creating event message from event class and packet: " |
312c056a | 1201 | "notit-addr=%p, ec-addr=%p, ec-name=\"%s\", packet-addr=%p", |
44c440bc PP |
1202 | notit, notit->meta.ec, |
1203 | notit->meta.ec->name->str, | |
312c056a | 1204 | notit->packet); |
d6e69534 | 1205 | BT_ASSERT(notit->msg_iter); |
2c091c04 PP |
1206 | BT_ASSERT(notit->meta.sc); |
1207 | ||
1208 | if (bt_stream_class_borrow_default_clock_class(notit->meta.sc->ir_sc)) { | |
1209 | msg = bt_message_event_create_with_default_clock_snapshot( | |
1210 | notit->msg_iter, notit->meta.ec->ir_ec, | |
1211 | notit->packet, notit->default_clock_snapshot); | |
1212 | } else { | |
1213 | msg = bt_message_event_create(notit->msg_iter, | |
1214 | notit->meta.ec->ir_ec, notit->packet); | |
1215 | } | |
1216 | ||
d6e69534 | 1217 | if (!msg) { |
eb7f6c4f | 1218 | BT_COMP_LOGE("Cannot create event message: " |
312c056a PP |
1219 | "notit-addr=%p, ec-addr=%p, ec-name=\"%s\", " |
1220 | "packet-addr=%p", | |
44c440bc PP |
1221 | notit, notit->meta.ec, |
1222 | notit->meta.ec->name->str, | |
312c056a PP |
1223 | notit->packet); |
1224 | goto error; | |
1225 | } | |
1226 | ||
1227 | goto end; | |
1228 | ||
1229 | error: | |
d6e69534 PP |
1230 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
1231 | status = BT_MSG_ITER_STATUS_ERROR; | |
312c056a PP |
1232 | |
1233 | end: | |
d6e69534 | 1234 | BT_MESSAGE_MOVE_REF(notit->event_msg, msg); |
312c056a PP |
1235 | return status; |
1236 | } | |
1237 | ||
e98a2d6e | 1238 | static |
d6e69534 PP |
1239 | enum bt_msg_iter_status after_event_header_state( |
1240 | struct bt_msg_iter *notit) | |
e98a2d6e | 1241 | { |
d6e69534 | 1242 | enum bt_msg_iter_status status; |
e98a2d6e | 1243 | |
e98a2d6e | 1244 | status = set_current_event_class(notit); |
d6e69534 | 1245 | if (status != BT_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1246 | goto end; |
1247 | } | |
1248 | ||
d6e69534 PP |
1249 | status = set_current_event_message(notit); |
1250 | if (status != BT_MSG_ITER_STATUS_OK) { | |
312c056a PP |
1251 | goto end; |
1252 | } | |
1253 | ||
d6e69534 PP |
1254 | notit->event = bt_message_event_borrow_event( |
1255 | notit->event_msg); | |
312c056a | 1256 | BT_ASSERT(notit->event); |
44c440bc | 1257 | notit->state = STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN; |
e98a2d6e PP |
1258 | |
1259 | end: | |
1260 | return status; | |
1261 | } | |
1262 | ||
1263 | static | |
d6e69534 PP |
1264 | enum bt_msg_iter_status read_event_common_context_begin_state( |
1265 | struct bt_msg_iter *notit) | |
e98a2d6e | 1266 | { |
d6e69534 | 1267 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 1268 | struct ctf_field_class *event_common_context_fc; |
e98a2d6e | 1269 | |
5cd6d0e5 PP |
1270 | event_common_context_fc = notit->meta.sc->event_common_context_fc; |
1271 | if (!event_common_context_fc) { | |
44c440bc | 1272 | notit->state = STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN; |
e98a2d6e PP |
1273 | goto end; |
1274 | } | |
1275 | ||
5cd6d0e5 | 1276 | if (event_common_context_fc->in_ir) { |
44c440bc PP |
1277 | BT_ASSERT(!notit->dscopes.event_common_context); |
1278 | notit->dscopes.event_common_context = | |
40f4ba76 | 1279 | bt_event_borrow_common_context_field( |
e5be10ef | 1280 | notit->event); |
44c440bc PP |
1281 | BT_ASSERT(notit->dscopes.event_common_context); |
1282 | } | |
1283 | ||
eb7f6c4f | 1284 | BT_COMP_LOGV("Decoding event common context field: " |
fdf0e7a0 | 1285 | "notit-addr=%p, stream-class-addr=%p, " |
44c440bc | 1286 | "stream-class-id=%" PRId64 ", " |
5cd6d0e5 | 1287 | "fc-addr=%p", |
44c440bc PP |
1288 | notit, notit->meta.sc, |
1289 | notit->meta.sc->id, | |
5cd6d0e5 PP |
1290 | event_common_context_fc); |
1291 | status = read_dscope_begin_state(notit, event_common_context_fc, | |
44c440bc PP |
1292 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, |
1293 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
1294 | notit->dscopes.event_common_context); | |
fdf0e7a0 | 1295 | if (status < 0) { |
eb7f6c4f | 1296 | BT_COMP_LOGW("Cannot decode event common context field: " |
fdf0e7a0 | 1297 | "notit-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1298 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc PP |
1299 | notit, notit->meta.sc, |
1300 | notit->meta.sc->id, | |
5cd6d0e5 | 1301 | event_common_context_fc); |
fdf0e7a0 | 1302 | } |
e98a2d6e PP |
1303 | |
1304 | end: | |
e98a2d6e PP |
1305 | return status; |
1306 | } | |
1307 | ||
1308 | static | |
d6e69534 PP |
1309 | enum bt_msg_iter_status read_event_common_context_continue_state( |
1310 | struct bt_msg_iter *notit) | |
e98a2d6e PP |
1311 | { |
1312 | return read_dscope_continue_state(notit, | |
44c440bc | 1313 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN); |
e98a2d6e PP |
1314 | } |
1315 | ||
1316 | static | |
d6e69534 PP |
1317 | enum bt_msg_iter_status read_event_spec_context_begin_state( |
1318 | struct bt_msg_iter *notit) | |
e98a2d6e | 1319 | { |
d6e69534 | 1320 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 1321 | struct ctf_field_class *event_spec_context_fc; |
e98a2d6e | 1322 | |
5cd6d0e5 PP |
1323 | event_spec_context_fc = notit->meta.ec->spec_context_fc; |
1324 | if (!event_spec_context_fc) { | |
835b2d10 | 1325 | notit->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1326 | goto end; |
1327 | } | |
fdf0e7a0 | 1328 | |
5cd6d0e5 | 1329 | if (event_spec_context_fc->in_ir) { |
44c440bc | 1330 | BT_ASSERT(!notit->dscopes.event_spec_context); |
e5be10ef | 1331 | notit->dscopes.event_spec_context = |
40f4ba76 | 1332 | bt_event_borrow_specific_context_field( |
e5be10ef | 1333 | notit->event); |
44c440bc PP |
1334 | BT_ASSERT(notit->dscopes.event_spec_context); |
1335 | } | |
1336 | ||
eb7f6c4f | 1337 | BT_COMP_LOGV("Decoding event specific context field: " |
fdf0e7a0 PP |
1338 | "notit-addr=%p, event-class-addr=%p, " |
1339 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
5cd6d0e5 | 1340 | "fc-addr=%p", |
44c440bc PP |
1341 | notit, notit->meta.ec, |
1342 | notit->meta.ec->name->str, | |
1343 | notit->meta.ec->id, | |
5cd6d0e5 PP |
1344 | event_spec_context_fc); |
1345 | status = read_dscope_begin_state(notit, event_spec_context_fc, | |
e98a2d6e | 1346 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
44c440bc PP |
1347 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, |
1348 | notit->dscopes.event_spec_context); | |
fdf0e7a0 | 1349 | if (status < 0) { |
eb7f6c4f | 1350 | BT_COMP_LOGW("Cannot decode event specific context field: " |
fdf0e7a0 PP |
1351 | "notit-addr=%p, event-class-addr=%p, " |
1352 | "event-class-name=\"%s\", " | |
5cd6d0e5 | 1353 | "event-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc PP |
1354 | notit, notit->meta.ec, |
1355 | notit->meta.ec->name->str, | |
1356 | notit->meta.ec->id, | |
5cd6d0e5 | 1357 | event_spec_context_fc); |
fdf0e7a0 | 1358 | } |
e98a2d6e PP |
1359 | |
1360 | end: | |
e98a2d6e PP |
1361 | return status; |
1362 | } | |
1363 | ||
1364 | static | |
d6e69534 PP |
1365 | enum bt_msg_iter_status read_event_spec_context_continue_state( |
1366 | struct bt_msg_iter *notit) | |
e98a2d6e PP |
1367 | { |
1368 | return read_dscope_continue_state(notit, | |
1369 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); | |
1370 | } | |
1371 | ||
1372 | static | |
d6e69534 PP |
1373 | enum bt_msg_iter_status read_event_payload_begin_state( |
1374 | struct bt_msg_iter *notit) | |
e98a2d6e | 1375 | { |
d6e69534 | 1376 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
5cd6d0e5 | 1377 | struct ctf_field_class *event_payload_fc; |
e98a2d6e | 1378 | |
5cd6d0e5 PP |
1379 | event_payload_fc = notit->meta.ec->payload_fc; |
1380 | if (!event_payload_fc) { | |
d6e69534 | 1381 | notit->state = STATE_EMIT_MSG_EVENT; |
e98a2d6e PP |
1382 | goto end; |
1383 | } | |
1384 | ||
5cd6d0e5 | 1385 | if (event_payload_fc->in_ir) { |
44c440bc | 1386 | BT_ASSERT(!notit->dscopes.event_payload); |
e5be10ef | 1387 | notit->dscopes.event_payload = |
40f4ba76 | 1388 | bt_event_borrow_payload_field( |
e5be10ef | 1389 | notit->event); |
44c440bc PP |
1390 | BT_ASSERT(notit->dscopes.event_payload); |
1391 | } | |
1392 | ||
eb7f6c4f | 1393 | BT_COMP_LOGV("Decoding event payload field: " |
fdf0e7a0 PP |
1394 | "notit-addr=%p, event-class-addr=%p, " |
1395 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
5cd6d0e5 | 1396 | "fc-addr=%p", |
44c440bc PP |
1397 | notit, notit->meta.ec, |
1398 | notit->meta.ec->name->str, | |
1399 | notit->meta.ec->id, | |
5cd6d0e5 PP |
1400 | event_payload_fc); |
1401 | status = read_dscope_begin_state(notit, event_payload_fc, | |
d6e69534 | 1402 | STATE_EMIT_MSG_EVENT, |
e98a2d6e | 1403 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, |
312c056a | 1404 | notit->dscopes.event_payload); |
fdf0e7a0 | 1405 | if (status < 0) { |
eb7f6c4f | 1406 | BT_COMP_LOGW("Cannot decode event payload field: " |
fdf0e7a0 PP |
1407 | "notit-addr=%p, event-class-addr=%p, " |
1408 | "event-class-name=\"%s\", " | |
5cd6d0e5 | 1409 | "event-class-id=%" PRId64 ", fc-addr=%p", |
44c440bc PP |
1410 | notit, notit->meta.ec, |
1411 | notit->meta.ec->name->str, | |
1412 | notit->meta.ec->id, | |
5cd6d0e5 | 1413 | event_payload_fc); |
fdf0e7a0 | 1414 | } |
e98a2d6e PP |
1415 | |
1416 | end: | |
e98a2d6e PP |
1417 | return status; |
1418 | } | |
1419 | ||
1420 | static | |
d6e69534 PP |
1421 | enum bt_msg_iter_status read_event_payload_continue_state( |
1422 | struct bt_msg_iter *notit) | |
e98a2d6e | 1423 | { |
d6e69534 | 1424 | return read_dscope_continue_state(notit, STATE_EMIT_MSG_EVENT); |
e98a2d6e PP |
1425 | } |
1426 | ||
1427 | static | |
fc917f65 | 1428 | enum bt_msg_iter_status skip_packet_padding_state(struct bt_msg_iter *notit) |
e98a2d6e | 1429 | { |
d6e69534 | 1430 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
e98a2d6e PP |
1431 | size_t bits_to_skip; |
1432 | ||
44c440bc PP |
1433 | BT_ASSERT(notit->cur_exp_packet_total_size > 0); |
1434 | bits_to_skip = notit->cur_exp_packet_total_size - packet_at(notit); | |
e98a2d6e PP |
1435 | if (bits_to_skip == 0) { |
1436 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1437 | goto end; | |
1438 | } else { | |
1439 | size_t bits_to_consume; | |
fdf0e7a0 | 1440 | |
eb7f6c4f | 1441 | BT_COMP_LOGD("Trying to skip %zu bits of padding: notit-addr=%p, size=%zu", |
fdf0e7a0 | 1442 | bits_to_skip, notit, bits_to_skip); |
e98a2d6e | 1443 | status = buf_ensure_available_bits(notit); |
d6e69534 | 1444 | if (status != BT_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1445 | goto end; |
1446 | } | |
1447 | ||
1448 | bits_to_consume = MIN(buf_available_bits(notit), bits_to_skip); | |
eb7f6c4f | 1449 | BT_COMP_LOGD("Skipping %zu bits of padding: notit-addr=%p, size=%zu", |
fdf0e7a0 | 1450 | bits_to_consume, notit, bits_to_consume); |
e98a2d6e | 1451 | buf_consume_bits(notit, bits_to_consume); |
44c440bc PP |
1452 | bits_to_skip = notit->cur_exp_packet_total_size - |
1453 | packet_at(notit); | |
e98a2d6e PP |
1454 | if (bits_to_skip == 0) { |
1455 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1456 | goto end; | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | end: | |
1461 | return status; | |
1462 | } | |
1463 | ||
495490c5 PP |
1464 | static |
1465 | enum bt_msg_iter_status check_emit_msg_stream_beginning_state( | |
1466 | struct bt_msg_iter *notit) | |
1467 | { | |
1468 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; | |
1469 | ||
1470 | if (notit->set_stream) { | |
1471 | status = set_current_stream(notit); | |
1472 | if (status != BT_MSG_ITER_STATUS_OK) { | |
1473 | goto end; | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | if (notit->emit_stream_begin_msg) { | |
1478 | notit->state = STATE_EMIT_MSG_STREAM_BEGINNING; | |
1479 | } else { | |
1480 | /* Stream's first packet */ | |
1481 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; | |
1482 | } | |
1483 | ||
1484 | end: | |
1485 | return status; | |
1486 | } | |
1487 | ||
1488 | static | |
1489 | enum bt_msg_iter_status check_emit_msg_discarded_events( | |
1490 | struct bt_msg_iter *notit) | |
1491 | { | |
1492 | notit->state = STATE_EMIT_MSG_DISCARDED_EVENTS; | |
1493 | ||
afd45274 PP |
1494 | if (!notit->meta.sc->has_discarded_events) { |
1495 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
1496 | goto end; | |
1497 | } | |
1498 | ||
495490c5 PP |
1499 | if (notit->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { |
1500 | if (notit->snapshots.discarded_events == 0 || | |
1501 | notit->snapshots.discarded_events == UINT64_C(-1)) { | |
1502 | /* | |
1503 | * Stream's first packet with no discarded | |
1504 | * events or no information about discarded | |
1505 | * events: do not emit. | |
1506 | */ | |
1507 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
1508 | } | |
1509 | } else { | |
1510 | /* | |
1511 | * If the previous packet has a value for this counter, | |
1512 | * then this counter is defined for the whole stream. | |
1513 | */ | |
1514 | BT_ASSERT(notit->snapshots.discarded_events != UINT64_C(-1)); | |
1515 | ||
1516 | if (notit->snapshots.discarded_events - | |
1517 | notit->prev_packet_snapshots.discarded_events == 0) { | |
1518 | /* | |
1519 | * No discarded events since previous packet: do | |
1520 | * not emit. | |
1521 | */ | |
1522 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
1523 | } | |
1524 | } | |
1525 | ||
afd45274 | 1526 | end: |
495490c5 PP |
1527 | return BT_MSG_ITER_STATUS_OK; |
1528 | } | |
1529 | ||
1530 | static | |
1531 | enum bt_msg_iter_status check_emit_msg_discarded_packets( | |
1532 | struct bt_msg_iter *notit) | |
1533 | { | |
1534 | notit->state = STATE_EMIT_MSG_DISCARDED_PACKETS; | |
1535 | ||
afd45274 PP |
1536 | if (!notit->meta.sc->has_discarded_packets) { |
1537 | notit->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
1538 | goto end; | |
1539 | } | |
1540 | ||
495490c5 PP |
1541 | if (notit->prev_packet_snapshots.packets == UINT64_C(-1)) { |
1542 | /* | |
1543 | * Stream's first packet or no information about | |
1544 | * discarded packets: do not emit. In other words, if | |
1545 | * this is the first packet and its sequence number is | |
1546 | * not 0, do not consider that packets were previously | |
1547 | * lost: we might be reading a partial stream (LTTng | |
1548 | * snapshot for example). | |
1549 | */ | |
1550 | notit->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
1551 | } else { | |
1552 | /* | |
1553 | * If the previous packet has a value for this counter, | |
1554 | * then this counter is defined for the whole stream. | |
1555 | */ | |
1556 | BT_ASSERT(notit->snapshots.packets != UINT64_C(-1)); | |
1557 | ||
1558 | if (notit->snapshots.packets - | |
1559 | notit->prev_packet_snapshots.packets <= 1) { | |
1560 | /* | |
1561 | * No discarded packets since previous packet: | |
1562 | * do not emit. | |
1563 | */ | |
1564 | notit->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
1565 | } | |
1566 | } | |
1567 | ||
afd45274 | 1568 | end: |
495490c5 PP |
1569 | return BT_MSG_ITER_STATUS_OK; |
1570 | } | |
1571 | ||
1572 | static | |
1573 | enum bt_msg_iter_status check_emit_msg_stream_activity_end( | |
1574 | struct bt_msg_iter *notit) | |
1575 | { | |
1576 | if (notit->emit_stream_end_msg) { | |
1577 | notit->state = STATE_EMIT_MSG_STREAM_ACTIVITY_END; | |
1578 | } else { | |
1579 | notit->state = STATE_DONE; | |
1580 | } | |
1581 | ||
1582 | return BT_MSG_ITER_STATUS_OK; | |
1583 | } | |
1584 | ||
e98a2d6e | 1585 | static inline |
d6e69534 | 1586 | enum bt_msg_iter_status handle_state(struct bt_msg_iter *notit) |
e98a2d6e | 1587 | { |
d6e69534 | 1588 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
fdf0e7a0 | 1589 | const enum state state = notit->state; |
e98a2d6e | 1590 | |
eb7f6c4f | 1591 | BT_COMP_LOGV("Handling state: notit-addr=%p, state=%s", |
fdf0e7a0 | 1592 | notit, state_string(state)); |
e98a2d6e PP |
1593 | |
1594 | // TODO: optimalize! | |
fdf0e7a0 | 1595 | switch (state) { |
e98a2d6e PP |
1596 | case STATE_INIT: |
1597 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1598 | break; | |
1599 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
1600 | status = read_packet_header_begin_state(notit); | |
1601 | break; | |
1602 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
1603 | status = read_packet_header_continue_state(notit); | |
1604 | break; | |
1605 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
1606 | status = after_packet_header_state(notit); | |
1607 | break; | |
1608 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
1609 | status = read_packet_context_begin_state(notit); | |
1610 | break; | |
1611 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
1612 | status = read_packet_context_continue_state(notit); | |
1613 | break; | |
1614 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
1615 | status = after_packet_context_state(notit); | |
1616 | break; | |
495490c5 PP |
1617 | case STATE_CHECK_EMIT_MSG_STREAM_BEGINNING: |
1618 | status = check_emit_msg_stream_beginning_state(notit); | |
1619 | break; | |
fc917f65 PP |
1620 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
1621 | notit->state = STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING; | |
1622 | break; | |
1623 | case STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING: | |
495490c5 PP |
1624 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
1625 | break; | |
1626 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: | |
1627 | status = check_emit_msg_discarded_events(notit); | |
1628 | break; | |
1629 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
1630 | notit->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
1631 | break; | |
1632 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
1633 | status = check_emit_msg_discarded_packets(notit); | |
1634 | break; | |
1635 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
fc917f65 | 1636 | notit->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
f42867e2 | 1637 | break; |
fc917f65 | 1638 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
44c440bc | 1639 | notit->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1640 | break; |
44c440bc | 1641 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
e98a2d6e PP |
1642 | status = read_event_header_begin_state(notit); |
1643 | break; | |
44c440bc | 1644 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
e98a2d6e PP |
1645 | status = read_event_header_continue_state(notit); |
1646 | break; | |
44c440bc | 1647 | case STATE_AFTER_EVENT_HEADER: |
e98a2d6e PP |
1648 | status = after_event_header_state(notit); |
1649 | break; | |
44c440bc PP |
1650 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
1651 | status = read_event_common_context_begin_state(notit); | |
e98a2d6e | 1652 | break; |
44c440bc PP |
1653 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
1654 | status = read_event_common_context_continue_state(notit); | |
e98a2d6e | 1655 | break; |
44c440bc PP |
1656 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
1657 | status = read_event_spec_context_begin_state(notit); | |
e98a2d6e | 1658 | break; |
44c440bc PP |
1659 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
1660 | status = read_event_spec_context_continue_state(notit); | |
e98a2d6e PP |
1661 | break; |
1662 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
1663 | status = read_event_payload_begin_state(notit); | |
1664 | break; | |
1665 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
1666 | status = read_event_payload_continue_state(notit); | |
1667 | break; | |
d6e69534 | 1668 | case STATE_EMIT_MSG_EVENT: |
44c440bc | 1669 | notit->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e PP |
1670 | break; |
1671 | case STATE_SKIP_PACKET_PADDING: | |
1672 | status = skip_packet_padding_state(notit); | |
1673 | break; | |
fc917f65 | 1674 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
e98a2d6e PP |
1675 | notit->state = STATE_SKIP_PACKET_PADDING; |
1676 | break; | |
fc917f65 | 1677 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
495490c5 PP |
1678 | notit->state = STATE_CHECK_EMIT_MSG_STREAM_ACTIVITY_END; |
1679 | break; | |
1680 | case STATE_CHECK_EMIT_MSG_STREAM_ACTIVITY_END: | |
1681 | status = check_emit_msg_stream_activity_end(notit); | |
fc917f65 PP |
1682 | break; |
1683 | case STATE_EMIT_MSG_STREAM_ACTIVITY_END: | |
1684 | notit->state = STATE_EMIT_MSG_STREAM_END; | |
1685 | break; | |
1686 | case STATE_EMIT_MSG_STREAM_END: | |
1687 | notit->state = STATE_DONE; | |
1688 | break; | |
1689 | case STATE_DONE: | |
1690 | break; | |
fdf0e7a0 | 1691 | default: |
eb7f6c4f | 1692 | BT_COMP_LOGF("Unknown CTF plugin message iterator state: " |
fdf0e7a0 PP |
1693 | "notit-addr=%p, state=%d", notit, notit->state); |
1694 | abort(); | |
e98a2d6e PP |
1695 | } |
1696 | ||
eb7f6c4f | 1697 | BT_COMP_LOGV("Handled state: notit-addr=%p, status=%s, " |
fdf0e7a0 | 1698 | "prev-state=%s, cur-state=%s", |
d6e69534 | 1699 | notit, bt_msg_iter_status_string(status), |
fdf0e7a0 | 1700 | state_string(state), state_string(notit->state)); |
e98a2d6e PP |
1701 | return status; |
1702 | } | |
1703 | ||
f42867e2 | 1704 | BT_HIDDEN |
495490c5 | 1705 | void bt_msg_iter_reset_for_next_stream_file(struct bt_msg_iter *notit) |
e98a2d6e | 1706 | { |
f6ccaed9 | 1707 | BT_ASSERT(notit); |
eb7f6c4f | 1708 | BT_COMP_LOGD("Resetting message iterator: addr=%p", notit); |
e98a2d6e | 1709 | stack_clear(notit->stack); |
44c440bc PP |
1710 | notit->meta.sc = NULL; |
1711 | notit->meta.ec = NULL; | |
c5b9b441 PP |
1712 | BT_PACKET_PUT_REF_AND_RESET(notit->packet); |
1713 | BT_STREAM_PUT_REF_AND_RESET(notit->stream); | |
d6e69534 | 1714 | BT_MESSAGE_PUT_REF_AND_RESET(notit->event_msg); |
312c056a PP |
1715 | release_all_dscopes(notit); |
1716 | notit->cur_dscope_field = NULL; | |
1717 | ||
312c056a | 1718 | if (notit->packet_context_field) { |
40f4ba76 | 1719 | bt_packet_context_field_release(notit->packet_context_field); |
312c056a PP |
1720 | notit->packet_context_field = NULL; |
1721 | } | |
1722 | ||
e98a2d6e PP |
1723 | notit->buf.addr = NULL; |
1724 | notit->buf.sz = 0; | |
1725 | notit->buf.at = 0; | |
2b186c3e | 1726 | notit->buf.last_eh_at = SIZE_MAX; |
e98a2d6e PP |
1727 | notit->buf.packet_offset = 0; |
1728 | notit->state = STATE_INIT; | |
44c440bc PP |
1729 | notit->cur_exp_packet_content_size = -1; |
1730 | notit->cur_exp_packet_total_size = -1; | |
9e0c8dbb | 1731 | notit->cur_packet_offset = -1; |
44c440bc | 1732 | notit->cur_event_class_id = -1; |
495490c5 PP |
1733 | notit->snapshots.beginning_clock = UINT64_C(-1); |
1734 | notit->snapshots.end_clock = UINT64_C(-1); | |
1735 | } | |
1736 | ||
1737 | /** | |
1738 | * Resets the internal state of a CTF message iterator. | |
1739 | */ | |
1740 | BT_HIDDEN | |
1741 | void bt_msg_iter_reset(struct bt_msg_iter *notit) | |
1742 | { | |
1743 | bt_msg_iter_reset_for_next_stream_file(notit); | |
1744 | notit->cur_stream_class_id = -1; | |
44c440bc | 1745 | notit->cur_data_stream_id = -1; |
fc917f65 PP |
1746 | notit->emit_stream_begin_msg = true; |
1747 | notit->emit_stream_end_msg = true; | |
495490c5 PP |
1748 | notit->snapshots.discarded_events = UINT64_C(-1); |
1749 | notit->snapshots.packets = UINT64_C(-1); | |
1750 | notit->prev_packet_snapshots.discarded_events = UINT64_C(-1); | |
1751 | notit->prev_packet_snapshots.packets = UINT64_C(-1); | |
1752 | notit->prev_packet_snapshots.beginning_clock = UINT64_C(-1); | |
1753 | notit->prev_packet_snapshots.end_clock = UINT64_C(-1); | |
e98a2d6e PP |
1754 | } |
1755 | ||
2cf1d51e | 1756 | static |
d6e69534 | 1757 | int bt_msg_iter_switch_packet(struct bt_msg_iter *notit) |
2cf1d51e JG |
1758 | { |
1759 | int ret = 0; | |
1760 | ||
115de887 PP |
1761 | /* |
1762 | * We don't put the stream class here because we need to make | |
d6e69534 | 1763 | * sure that all the packets processed by the same message |
115de887 PP |
1764 | * iterator refer to the same stream class (the first one). |
1765 | */ | |
f6ccaed9 | 1766 | BT_ASSERT(notit); |
312c056a | 1767 | |
44c440bc PP |
1768 | if (notit->cur_exp_packet_total_size != -1) { |
1769 | notit->cur_packet_offset += notit->cur_exp_packet_total_size; | |
9e0c8dbb | 1770 | } |
312c056a | 1771 | |
eb7f6c4f | 1772 | BT_COMP_LOGD("Switching packet: notit-addr=%p, cur=%zu, " |
9e0c8dbb JG |
1773 | "packet-offset=%" PRId64, notit, notit->buf.at, |
1774 | notit->cur_packet_offset); | |
2cf1d51e | 1775 | stack_clear(notit->stack); |
44c440bc | 1776 | notit->meta.ec = NULL; |
c5b9b441 | 1777 | BT_PACKET_PUT_REF_AND_RESET(notit->packet); |
d6e69534 | 1778 | BT_MESSAGE_PUT_REF_AND_RESET(notit->event_msg); |
312c056a PP |
1779 | release_all_dscopes(notit); |
1780 | notit->cur_dscope_field = NULL; | |
2cf1d51e JG |
1781 | |
1782 | /* | |
1783 | * Adjust current buffer so that addr points to the beginning of the new | |
1784 | * packet. | |
1785 | */ | |
1786 | if (notit->buf.addr) { | |
1787 | size_t consumed_bytes = (size_t) (notit->buf.at / CHAR_BIT); | |
1788 | ||
1789 | /* Packets are assumed to start on a byte frontier. */ | |
1790 | if (notit->buf.at % CHAR_BIT) { | |
eb7f6c4f | 1791 | BT_COMP_LOGW("Cannot switch packet: current position is not a multiple of 8: " |
fdf0e7a0 | 1792 | "notit-addr=%p, cur=%zu", notit, notit->buf.at); |
2cf1d51e JG |
1793 | ret = -1; |
1794 | goto end; | |
1795 | } | |
1796 | ||
1797 | notit->buf.addr += consumed_bytes; | |
1798 | notit->buf.sz -= consumed_bytes; | |
1799 | notit->buf.at = 0; | |
1800 | notit->buf.packet_offset = 0; | |
eb7f6c4f | 1801 | BT_COMP_LOGD("Adjusted buffer: addr=%p, size=%zu", |
fdf0e7a0 | 1802 | notit->buf.addr, notit->buf.sz); |
2cf1d51e JG |
1803 | } |
1804 | ||
44c440bc PP |
1805 | notit->cur_exp_packet_content_size = -1; |
1806 | notit->cur_exp_packet_total_size = -1; | |
1807 | notit->cur_stream_class_id = -1; | |
1808 | notit->cur_event_class_id = -1; | |
1809 | notit->cur_data_stream_id = -1; | |
495490c5 | 1810 | notit->prev_packet_snapshots = notit->snapshots; |
44c440bc PP |
1811 | notit->snapshots.discarded_events = UINT64_C(-1); |
1812 | notit->snapshots.packets = UINT64_C(-1); | |
1813 | notit->snapshots.beginning_clock = UINT64_C(-1); | |
1814 | notit->snapshots.end_clock = UINT64_C(-1); | |
fdf0e7a0 | 1815 | |
2cf1d51e JG |
1816 | end: |
1817 | return ret; | |
1818 | } | |
1819 | ||
e98a2d6e | 1820 | static |
d6e69534 | 1821 | bt_field *borrow_next_field(struct bt_msg_iter *notit) |
e98a2d6e | 1822 | { |
b19ff26f PP |
1823 | bt_field *next_field = NULL; |
1824 | bt_field *base_field; | |
1825 | const bt_field_class *base_fc; | |
e98a2d6e PP |
1826 | size_t index; |
1827 | ||
f6ccaed9 | 1828 | BT_ASSERT(!stack_empty(notit->stack)); |
e98a2d6e PP |
1829 | index = stack_top(notit->stack)->index; |
1830 | base_field = stack_top(notit->stack)->base; | |
f6ccaed9 | 1831 | BT_ASSERT(base_field); |
40f4ba76 | 1832 | base_fc = bt_field_borrow_class_const(base_field); |
5cd6d0e5 | 1833 | BT_ASSERT(base_fc); |
e98a2d6e | 1834 | |
40f4ba76 | 1835 | switch (bt_field_class_get_type(base_fc)) { |
864cad70 | 1836 | case BT_FIELD_CLASS_TYPE_STRUCTURE: |
f42867e2 | 1837 | { |
44c440bc | 1838 | BT_ASSERT(index < |
5cd6d0e5 | 1839 | bt_field_class_structure_get_member_count( |
40f4ba76 PP |
1840 | bt_field_borrow_class_const( |
1841 | base_field))); | |
e5be10ef | 1842 | next_field = |
40f4ba76 | 1843 | bt_field_structure_borrow_member_field_by_index( |
e5be10ef | 1844 | base_field, index); |
e98a2d6e | 1845 | break; |
f42867e2 | 1846 | } |
864cad70 PP |
1847 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: |
1848 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: | |
40f4ba76 PP |
1849 | BT_ASSERT(index < bt_field_array_get_length(base_field)); |
1850 | next_field = bt_field_array_borrow_element_field_by_index( | |
44c440bc | 1851 | base_field, index); |
e98a2d6e | 1852 | break; |
864cad70 | 1853 | case BT_FIELD_CLASS_TYPE_VARIANT: |
44c440bc | 1854 | BT_ASSERT(index == 0); |
40f4ba76 | 1855 | next_field = bt_field_variant_borrow_selected_option_field( |
44c440bc | 1856 | base_field); |
e98a2d6e PP |
1857 | break; |
1858 | default: | |
0fbb9a9f | 1859 | abort(); |
e98a2d6e PP |
1860 | } |
1861 | ||
44c440bc | 1862 | BT_ASSERT(next_field); |
e98a2d6e PP |
1863 | return next_field; |
1864 | } | |
1865 | ||
c44c3e70 | 1866 | static |
d6e69534 | 1867 | void update_default_clock(struct bt_msg_iter *notit, uint64_t new_val, |
44c440bc | 1868 | uint64_t new_val_size) |
c44c3e70 | 1869 | { |
44c440bc | 1870 | uint64_t new_val_mask; |
c44c3e70 | 1871 | uint64_t cur_value_masked; |
c44c3e70 | 1872 | |
44c440bc | 1873 | BT_ASSERT(new_val_size > 0); |
c44c3e70 JG |
1874 | |
1875 | /* | |
1876 | * Special case for a 64-bit new value, which is the limit | |
1877 | * of a clock value as of this version: overwrite the | |
1878 | * current value directly. | |
1879 | */ | |
44c440bc | 1880 | if (new_val_size == 64) { |
605e1019 | 1881 | notit->default_clock_snapshot = new_val; |
c44c3e70 JG |
1882 | goto end; |
1883 | } | |
1884 | ||
44c440bc | 1885 | new_val_mask = (1ULL << new_val_size) - 1; |
605e1019 | 1886 | cur_value_masked = notit->default_clock_snapshot & new_val_mask; |
c44c3e70 | 1887 | |
44c440bc | 1888 | if (new_val < cur_value_masked) { |
c44c3e70 JG |
1889 | /* |
1890 | * It looks like a wrap happened on the number of bits | |
1891 | * of the requested new value. Assume that the clock | |
1892 | * value wrapped only one time. | |
1893 | */ | |
605e1019 | 1894 | notit->default_clock_snapshot += new_val_mask + 1; |
c44c3e70 JG |
1895 | } |
1896 | ||
1897 | /* Clear the low bits of the current clock value. */ | |
605e1019 | 1898 | notit->default_clock_snapshot &= ~new_val_mask; |
c44c3e70 JG |
1899 | |
1900 | /* Set the low bits of the current clock value. */ | |
605e1019 | 1901 | notit->default_clock_snapshot |= new_val; |
d1e46835 | 1902 | |
c44c3e70 | 1903 | end: |
eb7f6c4f | 1904 | BT_COMP_LOGV("Updated default clock's value from integer field's value: " |
605e1019 | 1905 | "value=%" PRIu64, notit->default_clock_snapshot); |
c44c3e70 JG |
1906 | } |
1907 | ||
1908 | static | |
5cd6d0e5 PP |
1909 | enum bt_bfcr_status bfcr_unsigned_int_cb(uint64_t value, |
1910 | struct ctf_field_class *fc, void *data) | |
c44c3e70 | 1911 | { |
d6e69534 | 1912 | struct bt_msg_iter *notit = data; |
5cd6d0e5 | 1913 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 1914 | bt_field *field = NULL; |
5cd6d0e5 | 1915 | struct ctf_field_class_int *int_fc = (void *) fc; |
c44c3e70 | 1916 | |
eb7f6c4f | 1917 | BT_COMP_LOGV("Unsigned integer function called from BFCR: " |
5cd6d0e5 | 1918 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
1919 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
1920 | notit, notit->bfcr, fc, fc->type, fc->in_ir, value); | |
312c056a | 1921 | |
91d81473 | 1922 | if (G_LIKELY(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE)) { |
44c440bc | 1923 | goto update_def_clock; |
c44c3e70 JG |
1924 | } |
1925 | ||
5cd6d0e5 PP |
1926 | switch (int_fc->meaning) { |
1927 | case CTF_FIELD_CLASS_MEANING_EVENT_CLASS_ID: | |
44c440bc PP |
1928 | notit->cur_event_class_id = value; |
1929 | break; | |
5cd6d0e5 | 1930 | case CTF_FIELD_CLASS_MEANING_DATA_STREAM_ID: |
44c440bc PP |
1931 | notit->cur_data_stream_id = value; |
1932 | break; | |
5cd6d0e5 | 1933 | case CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME: |
44c440bc PP |
1934 | notit->snapshots.beginning_clock = value; |
1935 | break; | |
5cd6d0e5 | 1936 | case CTF_FIELD_CLASS_MEANING_PACKET_END_TIME: |
44c440bc PP |
1937 | notit->snapshots.end_clock = value; |
1938 | break; | |
5cd6d0e5 | 1939 | case CTF_FIELD_CLASS_MEANING_STREAM_CLASS_ID: |
44c440bc PP |
1940 | notit->cur_stream_class_id = value; |
1941 | break; | |
5cd6d0e5 | 1942 | case CTF_FIELD_CLASS_MEANING_MAGIC: |
44c440bc | 1943 | if (value != 0xc1fc1fc1) { |
eb7f6c4f | 1944 | BT_COMP_LOGW("Invalid CTF magic number: notit-addr=%p, " |
44c440bc | 1945 | "magic=%" PRIx64, notit, value); |
5cd6d0e5 | 1946 | status = BT_BFCR_STATUS_ERROR; |
c44c3e70 JG |
1947 | goto end; |
1948 | } | |
fdf0e7a0 | 1949 | |
44c440bc | 1950 | break; |
5cd6d0e5 | 1951 | case CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT: |
44c440bc PP |
1952 | notit->snapshots.packets = value; |
1953 | break; | |
5cd6d0e5 | 1954 | case CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT: |
44c440bc PP |
1955 | notit->snapshots.discarded_events = value; |
1956 | break; | |
5cd6d0e5 | 1957 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_TOTAL_SIZE: |
44c440bc PP |
1958 | notit->cur_exp_packet_total_size = value; |
1959 | break; | |
5cd6d0e5 | 1960 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_CONTENT_SIZE: |
44c440bc PP |
1961 | notit->cur_exp_packet_content_size = value; |
1962 | break; | |
1963 | default: | |
1964 | abort(); | |
c44c3e70 JG |
1965 | } |
1966 | ||
44c440bc | 1967 | update_def_clock: |
91d81473 | 1968 | if (G_UNLIKELY(int_fc->mapped_clock_class)) { |
5cd6d0e5 | 1969 | update_default_clock(notit, value, int_fc->base.size); |
44c440bc | 1970 | } |
c44c3e70 | 1971 | |
91d81473 | 1972 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
44c440bc | 1973 | g_array_index(notit->stored_values, uint64_t, |
5cd6d0e5 | 1974 | (uint64_t) int_fc->storing_index) = value; |
44c440bc | 1975 | } |
e98a2d6e | 1976 | |
91d81473 | 1977 | if (G_UNLIKELY(!fc->in_ir)) { |
312c056a | 1978 | goto end; |
e98a2d6e PP |
1979 | } |
1980 | ||
44c440bc PP |
1981 | field = borrow_next_field(notit); |
1982 | BT_ASSERT(field); | |
40f4ba76 PP |
1983 | BT_ASSERT(bt_field_borrow_class_const(field) == fc->ir_fc); |
1984 | BT_ASSERT(bt_field_get_class_type(field) == | |
1985 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER || | |
1986 | bt_field_get_class_type(field) == | |
1987 | BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION); | |
1988 | bt_field_unsigned_integer_set_value(field, value); | |
e98a2d6e | 1989 | stack_top(notit->stack)->index++; |
fdf0e7a0 | 1990 | |
312c056a | 1991 | end: |
e98a2d6e PP |
1992 | return status; |
1993 | } | |
1994 | ||
5f870343 | 1995 | static |
5cd6d0e5 PP |
1996 | enum bt_bfcr_status bfcr_unsigned_int_char_cb(uint64_t value, |
1997 | struct ctf_field_class *fc, void *data) | |
5f870343 | 1998 | { |
44c440bc | 1999 | int ret; |
d6e69534 | 2000 | struct bt_msg_iter *notit = data; |
5cd6d0e5 | 2001 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2002 | bt_field *string_field = NULL; |
5cd6d0e5 | 2003 | struct ctf_field_class_int *int_fc = (void *) fc; |
44c440bc | 2004 | char str[2] = {'\0', '\0'}; |
5f870343 | 2005 | |
eb7f6c4f | 2006 | BT_COMP_LOGV("Unsigned integer character function called from BFCR: " |
5cd6d0e5 | 2007 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2008 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
2009 | notit, notit->bfcr, fc, fc->type, fc->in_ir, value); | |
5cd6d0e5 PP |
2010 | BT_ASSERT(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
2011 | BT_ASSERT(!int_fc->mapped_clock_class); | |
2012 | BT_ASSERT(int_fc->storing_index < 0); | |
312c056a | 2013 | |
91d81473 | 2014 | if (G_UNLIKELY(!fc->in_ir)) { |
44c440bc PP |
2015 | goto end; |
2016 | } | |
5f870343 | 2017 | |
44c440bc | 2018 | if (notit->done_filling_string) { |
5f870343 JG |
2019 | goto end; |
2020 | } | |
2021 | ||
44c440bc PP |
2022 | if (value == 0) { |
2023 | notit->done_filling_string = true; | |
5f870343 JG |
2024 | goto end; |
2025 | } | |
2026 | ||
44c440bc | 2027 | string_field = stack_top(notit->stack)->base; |
40f4ba76 PP |
2028 | BT_ASSERT(bt_field_get_class_type(string_field) == |
2029 | BT_FIELD_CLASS_TYPE_STRING); | |
44c440bc PP |
2030 | |
2031 | /* Append character */ | |
2032 | str[0] = (char) value; | |
40f4ba76 | 2033 | ret = bt_field_string_append_with_length(string_field, str, 1); |
44c440bc | 2034 | if (ret) { |
eb7f6c4f | 2035 | BT_COMP_LOGE("Cannot append character to string field's value: " |
44c440bc PP |
2036 | "notit-addr=%p, field-addr=%p, ret=%d", |
2037 | notit, string_field, ret); | |
5cd6d0e5 | 2038 | status = BT_BFCR_STATUS_ERROR; |
44c440bc PP |
2039 | goto end; |
2040 | } | |
312c056a | 2041 | |
5f870343 JG |
2042 | end: |
2043 | return status; | |
2044 | } | |
2045 | ||
2046 | static | |
5cd6d0e5 PP |
2047 | enum bt_bfcr_status bfcr_signed_int_cb(int64_t value, |
2048 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2049 | { |
5cd6d0e5 | 2050 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2051 | bt_field *field = NULL; |
d6e69534 | 2052 | struct bt_msg_iter *notit = data; |
5cd6d0e5 | 2053 | struct ctf_field_class_int *int_fc = (void *) fc; |
e98a2d6e | 2054 | |
eb7f6c4f | 2055 | BT_COMP_LOGV("Signed integer function called from BFCR: " |
5cd6d0e5 | 2056 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2057 | "fc-type=%d, fc-in-ir=%d, value=%" PRId64, |
2058 | notit, notit->bfcr, fc, fc->type, fc->in_ir, value); | |
5cd6d0e5 | 2059 | BT_ASSERT(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
44c440bc | 2060 | |
91d81473 | 2061 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
44c440bc | 2062 | g_array_index(notit->stored_values, uint64_t, |
5cd6d0e5 | 2063 | (uint64_t) int_fc->storing_index) = (uint64_t) value; |
44c440bc PP |
2064 | } |
2065 | ||
91d81473 | 2066 | if (G_UNLIKELY(!fc->in_ir)) { |
312c056a | 2067 | goto end; |
e98a2d6e PP |
2068 | } |
2069 | ||
44c440bc PP |
2070 | field = borrow_next_field(notit); |
2071 | BT_ASSERT(field); | |
40f4ba76 PP |
2072 | BT_ASSERT(bt_field_borrow_class_const(field) == fc->ir_fc); |
2073 | BT_ASSERT(bt_field_get_class_type(field) == | |
2074 | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER || | |
2075 | bt_field_get_class_type(field) == | |
2076 | BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION); | |
2077 | bt_field_signed_integer_set_value(field, value); | |
e98a2d6e | 2078 | stack_top(notit->stack)->index++; |
fdf0e7a0 | 2079 | |
312c056a | 2080 | end: |
e98a2d6e PP |
2081 | return status; |
2082 | } | |
2083 | ||
2084 | static | |
5cd6d0e5 PP |
2085 | enum bt_bfcr_status bfcr_floating_point_cb(double value, |
2086 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2087 | { |
5cd6d0e5 | 2088 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2089 | bt_field *field = NULL; |
d6e69534 | 2090 | struct bt_msg_iter *notit = data; |
e98a2d6e | 2091 | |
eb7f6c4f | 2092 | BT_COMP_LOGV("Floating point number function called from BFCR: " |
5cd6d0e5 | 2093 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2094 | "fc-type=%d, fc-in-ir=%d, value=%f", |
2095 | notit, notit->bfcr, fc, fc->type, fc->in_ir, value); | |
41693723 | 2096 | |
91d81473 | 2097 | if (G_UNLIKELY(!fc->in_ir)) { |
41693723 PP |
2098 | goto end; |
2099 | } | |
2100 | ||
312c056a | 2101 | field = borrow_next_field(notit); |
44c440bc | 2102 | BT_ASSERT(field); |
40f4ba76 PP |
2103 | BT_ASSERT(bt_field_borrow_class_const(field) == fc->ir_fc); |
2104 | BT_ASSERT(bt_field_get_class_type(field) == | |
2105 | BT_FIELD_CLASS_TYPE_REAL); | |
2106 | bt_field_real_set_value(field, value); | |
e98a2d6e | 2107 | stack_top(notit->stack)->index++; |
41693723 PP |
2108 | |
2109 | end: | |
e98a2d6e PP |
2110 | return status; |
2111 | } | |
2112 | ||
2113 | static | |
5cd6d0e5 PP |
2114 | enum bt_bfcr_status bfcr_string_begin_cb( |
2115 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2116 | { |
b19ff26f | 2117 | bt_field *field = NULL; |
d6e69534 | 2118 | struct bt_msg_iter *notit = data; |
e98a2d6e PP |
2119 | int ret; |
2120 | ||
eb7f6c4f | 2121 | BT_COMP_LOGV("String (beginning) function called from BFCR: " |
5cd6d0e5 | 2122 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2123 | "fc-type=%d, fc-in-ir=%d", |
2124 | notit, notit->bfcr, fc, fc->type, fc->in_ir); | |
e98a2d6e | 2125 | |
91d81473 | 2126 | if (G_UNLIKELY(!fc->in_ir)) { |
41693723 PP |
2127 | goto end; |
2128 | } | |
2129 | ||
44c440bc PP |
2130 | field = borrow_next_field(notit); |
2131 | BT_ASSERT(field); | |
40f4ba76 PP |
2132 | BT_ASSERT(bt_field_borrow_class_const(field) == fc->ir_fc); |
2133 | BT_ASSERT(bt_field_get_class_type(field) == | |
2134 | BT_FIELD_CLASS_TYPE_STRING); | |
2135 | ret = bt_field_string_clear(field); | |
312c056a PP |
2136 | BT_ASSERT(ret == 0); |
2137 | ||
e98a2d6e | 2138 | /* |
5cd6d0e5 PP |
2139 | * Push on stack. Not a compound class per se, but we know that |
2140 | * only bfcr_string_cb() may be called between this call and a | |
2141 | * subsequent call to bfcr_string_end_cb(). | |
e98a2d6e | 2142 | */ |
44c440bc | 2143 | stack_push(notit->stack, field); |
41693723 PP |
2144 | |
2145 | end: | |
5cd6d0e5 | 2146 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2147 | } |
2148 | ||
2149 | static | |
5cd6d0e5 PP |
2150 | enum bt_bfcr_status bfcr_string_cb(const char *value, |
2151 | size_t len, struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2152 | { |
5cd6d0e5 | 2153 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2154 | bt_field *field = NULL; |
d6e69534 | 2155 | struct bt_msg_iter *notit = data; |
e98a2d6e PP |
2156 | int ret; |
2157 | ||
eb7f6c4f | 2158 | BT_COMP_LOGV("String (substring) function called from BFCR: " |
5cd6d0e5 | 2159 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2160 | "fc-type=%d, fc-in-ir=%d, string-length=%zu", |
2161 | notit, notit->bfcr, fc, fc->type, fc->in_ir, | |
fdf0e7a0 | 2162 | len); |
41693723 | 2163 | |
91d81473 | 2164 | if (G_UNLIKELY(!fc->in_ir)) { |
41693723 PP |
2165 | goto end; |
2166 | } | |
2167 | ||
e98a2d6e | 2168 | field = stack_top(notit->stack)->base; |
f6ccaed9 | 2169 | BT_ASSERT(field); |
e98a2d6e | 2170 | |
312c056a | 2171 | /* Append current substring */ |
40f4ba76 | 2172 | ret = bt_field_string_append_with_length(field, value, len); |
e98a2d6e | 2173 | if (ret) { |
eb7f6c4f | 2174 | BT_COMP_LOGE("Cannot append substring to string field's value: " |
fdf0e7a0 PP |
2175 | "notit-addr=%p, field-addr=%p, string-length=%zu, " |
2176 | "ret=%d", notit, field, len, ret); | |
5cd6d0e5 | 2177 | status = BT_BFCR_STATUS_ERROR; |
e98a2d6e PP |
2178 | goto end; |
2179 | } | |
2180 | ||
2181 | end: | |
2182 | return status; | |
2183 | } | |
2184 | ||
2185 | static | |
5cd6d0e5 PP |
2186 | enum bt_bfcr_status bfcr_string_end_cb( |
2187 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2188 | { |
d6e69534 | 2189 | struct bt_msg_iter *notit = data; |
e98a2d6e | 2190 | |
eb7f6c4f | 2191 | BT_COMP_LOGV("String (end) function called from BFCR: " |
5cd6d0e5 | 2192 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2193 | "fc-type=%d, fc-in-ir=%d", |
2194 | notit, notit->bfcr, fc, fc->type, fc->in_ir); | |
41693723 | 2195 | |
91d81473 | 2196 | if (G_UNLIKELY(!fc->in_ir)) { |
41693723 PP |
2197 | goto end; |
2198 | } | |
fdf0e7a0 | 2199 | |
e98a2d6e PP |
2200 | /* Pop string field */ |
2201 | stack_pop(notit->stack); | |
2202 | ||
2203 | /* Go to next field */ | |
2204 | stack_top(notit->stack)->index++; | |
41693723 PP |
2205 | |
2206 | end: | |
5cd6d0e5 | 2207 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2208 | } |
2209 | ||
5cd6d0e5 PP |
2210 | enum bt_bfcr_status bfcr_compound_begin_cb( |
2211 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2212 | { |
d6e69534 | 2213 | struct bt_msg_iter *notit = data; |
b19ff26f | 2214 | bt_field *field; |
e98a2d6e | 2215 | |
eb7f6c4f | 2216 | BT_COMP_LOGV("Compound (beginning) function called from BFCR: " |
5cd6d0e5 | 2217 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2218 | "fc-type=%d, fc-in-ir=%d", |
2219 | notit, notit->bfcr, fc, fc->type, fc->in_ir); | |
44c440bc | 2220 | |
5cd6d0e5 | 2221 | if (!fc->in_ir) { |
44c440bc PP |
2222 | goto end; |
2223 | } | |
fdf0e7a0 | 2224 | |
312c056a | 2225 | /* Borrow field */ |
e98a2d6e | 2226 | if (stack_empty(notit->stack)) { |
312c056a PP |
2227 | /* Root: already set by read_dscope_begin_state() */ |
2228 | field = notit->cur_dscope_field; | |
e98a2d6e | 2229 | } else { |
312c056a | 2230 | field = borrow_next_field(notit); |
44c440bc | 2231 | BT_ASSERT(field); |
e98a2d6e PP |
2232 | } |
2233 | ||
2234 | /* Push field */ | |
f6ccaed9 | 2235 | BT_ASSERT(field); |
40f4ba76 | 2236 | BT_ASSERT(bt_field_borrow_class_const(field) == fc->ir_fc); |
44c440bc PP |
2237 | stack_push(notit->stack, field); |
2238 | ||
2239 | /* | |
5cd6d0e5 | 2240 | * Change BFCR "unsigned int" callback if it's a text |
44c440bc PP |
2241 | * array/sequence. |
2242 | */ | |
864cad70 PP |
2243 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2244 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
5cd6d0e5 | 2245 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
44c440bc | 2246 | |
5cd6d0e5 | 2247 | if (array_fc->is_text) { |
44c440bc PP |
2248 | int ret; |
2249 | ||
40f4ba76 PP |
2250 | BT_ASSERT(bt_field_get_class_type(field) == |
2251 | BT_FIELD_CLASS_TYPE_STRING); | |
44c440bc | 2252 | notit->done_filling_string = false; |
40f4ba76 | 2253 | ret = bt_field_string_clear(field); |
44c440bc | 2254 | BT_ASSERT(ret == 0); |
5cd6d0e5 PP |
2255 | bt_bfcr_set_unsigned_int_cb(notit->bfcr, |
2256 | bfcr_unsigned_int_char_cb); | |
44c440bc | 2257 | } |
e98a2d6e PP |
2258 | } |
2259 | ||
2260 | end: | |
5cd6d0e5 | 2261 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2262 | } |
2263 | ||
5cd6d0e5 PP |
2264 | enum bt_bfcr_status bfcr_compound_end_cb( |
2265 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2266 | { |
d6e69534 | 2267 | struct bt_msg_iter *notit = data; |
e98a2d6e | 2268 | |
eb7f6c4f | 2269 | BT_COMP_LOGV("Compound (end) function called from BFCR: " |
5cd6d0e5 | 2270 | "notit-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 PP |
2271 | "fc-type=%d, fc-in-ir=%d", |
2272 | notit, notit->bfcr, fc, fc->type, fc->in_ir); | |
e98a2d6e | 2273 | |
5cd6d0e5 | 2274 | if (!fc->in_ir) { |
e98a2d6e PP |
2275 | goto end; |
2276 | } | |
2277 | ||
44c440bc | 2278 | BT_ASSERT(!stack_empty(notit->stack)); |
40f4ba76 | 2279 | BT_ASSERT(bt_field_borrow_class_const(stack_top(notit->stack)->base) == |
5cd6d0e5 | 2280 | fc->ir_fc); |
e98a2d6e | 2281 | |
44c440bc | 2282 | /* |
5cd6d0e5 | 2283 | * Reset BFCR "unsigned int" callback if it's a text |
44c440bc PP |
2284 | * array/sequence. |
2285 | */ | |
864cad70 PP |
2286 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2287 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
5cd6d0e5 | 2288 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
44c440bc | 2289 | |
5cd6d0e5 | 2290 | if (array_fc->is_text) { |
864cad70 | 2291 | BT_ASSERT(bt_field_get_class_type( |
40f4ba76 | 2292 | stack_top(notit->stack)->base) == |
e5be10ef | 2293 | BT_FIELD_CLASS_TYPE_STRING); |
5cd6d0e5 PP |
2294 | bt_bfcr_set_unsigned_int_cb(notit->bfcr, |
2295 | bfcr_unsigned_int_cb); | |
e98a2d6e | 2296 | } |
44c440bc | 2297 | } |
e98a2d6e | 2298 | |
44c440bc PP |
2299 | /* Pop stack */ |
2300 | stack_pop(notit->stack); | |
e98a2d6e | 2301 | |
44c440bc PP |
2302 | /* If the stack is not empty, increment the base's index */ |
2303 | if (!stack_empty(notit->stack)) { | |
2304 | stack_top(notit->stack)->index++; | |
e98a2d6e PP |
2305 | } |
2306 | ||
2307 | end: | |
5cd6d0e5 | 2308 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2309 | } |
2310 | ||
2311 | static | |
5cd6d0e5 | 2312 | int64_t bfcr_get_sequence_length_cb(struct ctf_field_class *fc, void *data) |
e98a2d6e | 2313 | { |
b19ff26f | 2314 | bt_field *seq_field; |
d6e69534 | 2315 | struct bt_msg_iter *notit = data; |
5cd6d0e5 | 2316 | struct ctf_field_class_sequence *seq_fc = (void *) fc; |
44c440bc PP |
2317 | int64_t length = -1; |
2318 | int ret; | |
e98a2d6e | 2319 | |
44c440bc | 2320 | length = (uint64_t) g_array_index(notit->stored_values, uint64_t, |
5cd6d0e5 | 2321 | seq_fc->stored_length_index); |
fdf0e7a0 | 2322 | seq_field = stack_top(notit->stack)->base; |
44c440bc | 2323 | BT_ASSERT(seq_field); |
785a6bba PP |
2324 | |
2325 | /* | |
2326 | * bfcr_get_sequence_length_cb() also gets called back for a | |
2327 | * text sequence, but the destination field is a string field. | |
2328 | * Only set the field's sequence length if the destination field | |
2329 | * is a sequence field. | |
2330 | */ | |
2331 | if (!seq_fc->base.is_text) { | |
2332 | BT_ASSERT(bt_field_get_class_type(seq_field) == | |
2333 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY); | |
2334 | ret = bt_field_dynamic_array_set_length(seq_field, | |
2335 | (uint64_t) length); | |
2336 | if (ret) { | |
eb7f6c4f | 2337 | BT_COMP_LOGE("Cannot set dynamic array field's length field: " |
785a6bba PP |
2338 | "notit-addr=%p, field-addr=%p, " |
2339 | "length=%" PRIu64, notit, seq_field, length); | |
2340 | } | |
2cf1d51e | 2341 | } |
fdf0e7a0 | 2342 | |
44c440bc | 2343 | return length; |
e98a2d6e PP |
2344 | } |
2345 | ||
2346 | static | |
5cd6d0e5 PP |
2347 | struct ctf_field_class *bfcr_borrow_variant_selected_field_class_cb( |
2348 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2349 | { |
312c056a | 2350 | int ret; |
44c440bc PP |
2351 | uint64_t i; |
2352 | int64_t option_index = -1; | |
d6e69534 | 2353 | struct bt_msg_iter *notit = data; |
5cd6d0e5 PP |
2354 | struct ctf_field_class_variant *var_fc = (void *) fc; |
2355 | struct ctf_named_field_class *selected_option = NULL; | |
2356 | struct ctf_field_class *ret_fc = NULL; | |
44c440bc PP |
2357 | union { |
2358 | uint64_t u; | |
2359 | int64_t i; | |
2360 | } tag; | |
2361 | ||
2362 | /* Get variant's tag */ | |
2363 | tag.u = g_array_index(notit->stored_values, uint64_t, | |
5cd6d0e5 | 2364 | var_fc->stored_tag_index); |
e98a2d6e PP |
2365 | |
2366 | /* | |
44c440bc | 2367 | * Check each range to find the selected option's index. |
e98a2d6e | 2368 | */ |
5cd6d0e5 PP |
2369 | if (var_fc->tag_fc->base.is_signed) { |
2370 | for (i = 0; i < var_fc->ranges->len; i++) { | |
2371 | struct ctf_field_class_variant_range *range = | |
2372 | ctf_field_class_variant_borrow_range_by_index( | |
2373 | var_fc, i); | |
44c440bc PP |
2374 | |
2375 | if (tag.i >= range->range.lower.i && | |
2376 | tag.i <= range->range.upper.i) { | |
2377 | option_index = (int64_t) range->option_index; | |
2378 | break; | |
2379 | } | |
2380 | } | |
312c056a | 2381 | } else { |
5cd6d0e5 PP |
2382 | for (i = 0; i < var_fc->ranges->len; i++) { |
2383 | struct ctf_field_class_variant_range *range = | |
2384 | ctf_field_class_variant_borrow_range_by_index( | |
2385 | var_fc, i); | |
44c440bc PP |
2386 | |
2387 | if (tag.u >= range->range.lower.u && | |
2388 | tag.u <= range->range.upper.u) { | |
2389 | option_index = (int64_t) range->option_index; | |
2390 | break; | |
2391 | } | |
2392 | } | |
312c056a PP |
2393 | } |
2394 | ||
44c440bc | 2395 | if (option_index < 0) { |
eb7f6c4f | 2396 | BT_COMP_LOGW("Cannot find variant field class's option: " |
5cd6d0e5 PP |
2397 | "notit-addr=%p, var-fc-addr=%p, u-tag=%" PRIu64 ", " |
2398 | "i-tag=%" PRId64, notit, var_fc, tag.u, tag.i); | |
e98a2d6e PP |
2399 | goto end; |
2400 | } | |
2401 | ||
5cd6d0e5 PP |
2402 | selected_option = ctf_field_class_variant_borrow_option_by_index( |
2403 | var_fc, (uint64_t) option_index); | |
e98a2d6e | 2404 | |
5cd6d0e5 | 2405 | if (selected_option->fc->in_ir) { |
b19ff26f | 2406 | bt_field *var_field = stack_top(notit->stack)->base; |
1556a1af | 2407 | |
40f4ba76 | 2408 | ret = bt_field_variant_select_option_field( |
e5be10ef | 2409 | var_field, option_index); |
e22b45d0 | 2410 | if (ret) { |
eb7f6c4f | 2411 | BT_COMP_LOGW("Cannot select variant field's option field: " |
44c440bc PP |
2412 | "notit-addr=%p, var-field-addr=%p, " |
2413 | "opt-index=%" PRId64, notit, var_field, | |
2414 | option_index); | |
1556a1af JG |
2415 | goto end; |
2416 | } | |
af87daef PP |
2417 | } |
2418 | ||
5cd6d0e5 | 2419 | ret_fc = selected_option->fc; |
e22b45d0 | 2420 | |
af87daef | 2421 | end: |
5cd6d0e5 | 2422 | return ret_fc; |
44c440bc PP |
2423 | } |
2424 | ||
f42867e2 | 2425 | static |
fc917f65 | 2426 | void create_msg_stream_beginning(struct bt_msg_iter *notit, |
d6e69534 | 2427 | bt_message **message) |
f42867e2 | 2428 | { |
d6e69534 | 2429 | bt_message *ret = NULL; |
f42867e2 | 2430 | |
f42867e2 | 2431 | BT_ASSERT(notit->stream); |
d6e69534 PP |
2432 | BT_ASSERT(notit->msg_iter); |
2433 | ret = bt_message_stream_beginning_create(notit->msg_iter, | |
f0010051 | 2434 | notit->stream); |
f42867e2 | 2435 | if (!ret) { |
eb7f6c4f | 2436 | BT_COMP_LOGE("Cannot create stream beginning message: " |
f42867e2 PP |
2437 | "notit-addr=%p, stream-addr=%p", |
2438 | notit, notit->stream); | |
2439 | return; | |
2440 | } | |
2441 | ||
d6e69534 | 2442 | *message = ret; |
f42867e2 PP |
2443 | } |
2444 | ||
2445 | static | |
fc917f65 PP |
2446 | void create_msg_stream_activity_beginning(struct bt_msg_iter *notit, |
2447 | bt_message **message) | |
2448 | { | |
2449 | bt_message *ret = NULL; | |
2450 | ||
2451 | BT_ASSERT(notit->stream); | |
2452 | BT_ASSERT(notit->msg_iter); | |
2453 | ret = bt_message_stream_activity_beginning_create(notit->msg_iter, | |
2454 | notit->stream); | |
2455 | if (!ret) { | |
eb7f6c4f | 2456 | BT_COMP_LOGE("Cannot create stream activity beginning message: " |
fc917f65 PP |
2457 | "notit-addr=%p, stream-addr=%p", |
2458 | notit, notit->stream); | |
2459 | return; | |
2460 | } | |
2461 | ||
2462 | *message = ret; | |
2463 | } | |
2464 | ||
2465 | static | |
2466 | void create_msg_stream_activity_end(struct bt_msg_iter *notit, | |
d6e69534 | 2467 | bt_message **message) |
fc917f65 PP |
2468 | { |
2469 | bt_message *ret = NULL; | |
2470 | ||
2471 | if (!notit->stream) { | |
eb7f6c4f | 2472 | BT_COMP_LOGE("Cannot create stream for stream message: " |
fc917f65 PP |
2473 | "notit-addr=%p", notit); |
2474 | return; | |
2475 | } | |
2476 | ||
2477 | BT_ASSERT(notit->stream); | |
2478 | BT_ASSERT(notit->msg_iter); | |
2479 | ret = bt_message_stream_activity_end_create(notit->msg_iter, | |
2480 | notit->stream); | |
2481 | if (!ret) { | |
eb7f6c4f | 2482 | BT_COMP_LOGE("Cannot create stream activity end message: " |
fc917f65 PP |
2483 | "notit-addr=%p, stream-addr=%p", |
2484 | notit, notit->stream); | |
2485 | return; | |
2486 | } | |
2487 | ||
2488 | *message = ret; | |
2489 | } | |
2490 | ||
2491 | static | |
2492 | void create_msg_stream_end(struct bt_msg_iter *notit, bt_message **message) | |
f42867e2 | 2493 | { |
d6e69534 | 2494 | bt_message *ret; |
f42867e2 PP |
2495 | |
2496 | if (!notit->stream) { | |
eb7f6c4f | 2497 | BT_COMP_LOGE("Cannot create stream for stream message: " |
f42867e2 PP |
2498 | "notit-addr=%p", notit); |
2499 | return; | |
2500 | } | |
2501 | ||
d6e69534 PP |
2502 | BT_ASSERT(notit->msg_iter); |
2503 | ret = bt_message_stream_end_create(notit->msg_iter, | |
f0010051 | 2504 | notit->stream); |
f42867e2 | 2505 | if (!ret) { |
eb7f6c4f | 2506 | BT_COMP_LOGE("Cannot create stream end message: " |
f42867e2 PP |
2507 | "notit-addr=%p, stream-addr=%p", |
2508 | notit, notit->stream); | |
2509 | return; | |
2510 | } | |
fc917f65 | 2511 | |
d6e69534 | 2512 | *message = ret; |
f42867e2 PP |
2513 | } |
2514 | ||
78586d8a | 2515 | static |
fc917f65 | 2516 | void create_msg_packet_beginning(struct bt_msg_iter *notit, |
d6e69534 | 2517 | bt_message **message) |
e98a2d6e | 2518 | { |
312c056a | 2519 | int ret; |
d6e69534 PP |
2520 | enum bt_msg_iter_status status; |
2521 | bt_message *msg = NULL; | |
b19ff26f | 2522 | const bt_stream_class *sc; |
e98a2d6e | 2523 | |
312c056a | 2524 | status = set_current_packet(notit); |
d6e69534 | 2525 | if (status != BT_MSG_ITER_STATUS_OK) { |
312c056a | 2526 | goto end; |
e98a2d6e PP |
2527 | } |
2528 | ||
312c056a | 2529 | BT_ASSERT(notit->packet); |
40f4ba76 | 2530 | sc = notit->meta.sc->ir_sc; |
44c440bc PP |
2531 | BT_ASSERT(sc); |
2532 | ||
312c056a | 2533 | if (notit->packet_context_field) { |
40f4ba76 | 2534 | ret = bt_packet_move_context_field( |
e5be10ef | 2535 | notit->packet, notit->packet_context_field); |
312c056a PP |
2536 | if (ret) { |
2537 | goto end; | |
2538 | } | |
2539 | ||
2540 | notit->packet_context_field = NULL; | |
2541 | ||
2542 | /* | |
83ebb7f1 PP |
2543 | * At this point notit->dscopes.stream_packet_context |
2544 | * has the same value as the packet context field within | |
312c056a PP |
2545 | * notit->packet. |
2546 | */ | |
40f4ba76 | 2547 | BT_ASSERT(bt_packet_borrow_context_field( |
e5be10ef | 2548 | notit->packet) == |
312c056a PP |
2549 | notit->dscopes.stream_packet_context); |
2550 | } | |
2551 | ||
d6e69534 | 2552 | BT_ASSERT(notit->msg_iter); |
a6d85d2f | 2553 | |
afd45274 PP |
2554 | if (notit->meta.sc->packets_have_ts_begin) { |
2555 | BT_ASSERT(notit->snapshots.beginning_clock != UINT64_C(-1)); | |
a33f7c34 | 2556 | msg = bt_message_packet_beginning_create_with_default_clock_snapshot( |
afd45274 PP |
2557 | notit->msg_iter, notit->packet, |
2558 | notit->snapshots.beginning_clock); | |
a33f7c34 | 2559 | } else { |
a6d85d2f PP |
2560 | msg = bt_message_packet_beginning_create(notit->msg_iter, |
2561 | notit->packet); | |
a6d85d2f PP |
2562 | } |
2563 | ||
d6e69534 | 2564 | if (!msg) { |
eb7f6c4f | 2565 | BT_COMP_LOGE("Cannot create packet beginning message: " |
fdf0e7a0 PP |
2566 | "notit-addr=%p, packet-addr=%p", |
2567 | notit, notit->packet); | |
e22b45d0 | 2568 | goto end; |
78586d8a | 2569 | } |
312c056a | 2570 | |
d6e69534 | 2571 | *message = msg; |
e22b45d0 PP |
2572 | |
2573 | end: | |
2574 | return; | |
e98a2d6e PP |
2575 | } |
2576 | ||
78586d8a | 2577 | static |
fc917f65 | 2578 | void create_msg_packet_end(struct bt_msg_iter *notit, bt_message **message) |
e98a2d6e | 2579 | { |
d6e69534 | 2580 | bt_message *msg; |
e98a2d6e | 2581 | |
e98a2d6e | 2582 | if (!notit->packet) { |
78586d8a | 2583 | return; |
e98a2d6e PP |
2584 | } |
2585 | ||
44c440bc PP |
2586 | /* Update default clock from packet's end time */ |
2587 | if (notit->snapshots.end_clock != UINT64_C(-1)) { | |
605e1019 | 2588 | notit->default_clock_snapshot = notit->snapshots.end_clock; |
44c440bc PP |
2589 | } |
2590 | ||
d6e69534 | 2591 | BT_ASSERT(notit->msg_iter); |
a6d85d2f | 2592 | |
afd45274 | 2593 | if (notit->meta.sc->packets_have_ts_end) { |
a33f7c34 | 2594 | BT_ASSERT(notit->snapshots.end_clock != UINT64_C(-1)); |
a6d85d2f PP |
2595 | msg = bt_message_packet_end_create_with_default_clock_snapshot( |
2596 | notit->msg_iter, notit->packet, | |
2597 | notit->snapshots.end_clock); | |
a33f7c34 PP |
2598 | } else { |
2599 | msg = bt_message_packet_end_create(notit->msg_iter, | |
2600 | notit->packet); | |
a6d85d2f PP |
2601 | } |
2602 | ||
d6e69534 | 2603 | if (!msg) { |
eb7f6c4f | 2604 | BT_COMP_LOGE("Cannot create packet end message: " |
fdf0e7a0 PP |
2605 | "notit-addr=%p, packet-addr=%p", |
2606 | notit, notit->packet); | |
78586d8a | 2607 | return; |
ccf82993 | 2608 | |
78586d8a | 2609 | } |
e98a2d6e | 2610 | |
c5b9b441 | 2611 | BT_PACKET_PUT_REF_AND_RESET(notit->packet); |
d6e69534 | 2612 | *message = msg; |
e98a2d6e PP |
2613 | } |
2614 | ||
495490c5 PP |
2615 | static |
2616 | void create_msg_discarded_events(struct bt_msg_iter *notit, | |
2617 | bt_message **message) | |
2618 | { | |
2619 | bt_message *msg; | |
2620 | uint64_t beginning_raw_value = UINT64_C(-1); | |
2621 | uint64_t end_raw_value = UINT64_C(-1); | |
495490c5 PP |
2622 | |
2623 | BT_ASSERT(notit->msg_iter); | |
2624 | BT_ASSERT(notit->stream); | |
afd45274 | 2625 | BT_ASSERT(notit->meta.sc->has_discarded_events); |
495490c5 | 2626 | |
afd45274 PP |
2627 | if (notit->meta.sc->discarded_events_have_default_cs) { |
2628 | if (notit->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { | |
2629 | /* | |
2630 | * We discarded events, but before (and possibly | |
2631 | * including) the current packet: use this packet's time | |
2632 | * range, and do not have a specific count. | |
2633 | */ | |
2634 | beginning_raw_value = notit->snapshots.beginning_clock; | |
2635 | end_raw_value = notit->snapshots.end_clock; | |
2636 | } else { | |
2637 | beginning_raw_value = notit->prev_packet_snapshots.end_clock; | |
2638 | end_raw_value = notit->snapshots.end_clock; | |
2639 | } | |
495490c5 | 2640 | |
afd45274 PP |
2641 | BT_ASSERT(beginning_raw_value != UINT64_C(-1)); |
2642 | BT_ASSERT(end_raw_value != UINT64_C(-1)); | |
495490c5 PP |
2643 | msg = bt_message_discarded_events_create_with_default_clock_snapshots( |
2644 | notit->msg_iter, notit->stream, beginning_raw_value, | |
2645 | end_raw_value); | |
2646 | } else { | |
2647 | msg = bt_message_discarded_events_create(notit->msg_iter, | |
2648 | notit->stream); | |
2649 | } | |
2650 | ||
2651 | if (!msg) { | |
eb7f6c4f | 2652 | BT_COMP_LOGE("Cannot create discarded events message: " |
495490c5 PP |
2653 | "notit-addr=%p, stream-addr=%p", |
2654 | notit, notit->stream); | |
2655 | return; | |
2656 | } | |
2657 | ||
afd45274 PP |
2658 | if (notit->prev_packet_snapshots.discarded_events != UINT64_C(-1)) { |
2659 | bt_message_discarded_events_set_count(msg, | |
2660 | notit->snapshots.discarded_events - | |
2661 | notit->prev_packet_snapshots.discarded_events); | |
495490c5 PP |
2662 | } |
2663 | ||
2664 | *message = msg; | |
2665 | } | |
2666 | ||
2667 | static | |
2668 | void create_msg_discarded_packets(struct bt_msg_iter *notit, | |
2669 | bt_message **message) | |
2670 | { | |
2671 | bt_message *msg; | |
2672 | ||
2673 | BT_ASSERT(notit->msg_iter); | |
2674 | BT_ASSERT(notit->stream); | |
afd45274 | 2675 | BT_ASSERT(notit->meta.sc->has_discarded_packets); |
495490c5 PP |
2676 | BT_ASSERT(notit->prev_packet_snapshots.packets != |
2677 | UINT64_C(-1)); | |
2678 | ||
afd45274 PP |
2679 | if (notit->meta.sc->discarded_packets_have_default_cs) { |
2680 | BT_ASSERT(notit->prev_packet_snapshots.end_clock != UINT64_C(-1)); | |
2681 | BT_ASSERT(notit->snapshots.beginning_clock != UINT64_C(-1)); | |
495490c5 PP |
2682 | msg = bt_message_discarded_packets_create_with_default_clock_snapshots( |
2683 | notit->msg_iter, notit->stream, | |
2684 | notit->prev_packet_snapshots.end_clock, | |
2685 | notit->snapshots.beginning_clock); | |
2686 | } else { | |
2687 | msg = bt_message_discarded_packets_create(notit->msg_iter, | |
2688 | notit->stream); | |
2689 | } | |
2690 | ||
2691 | if (!msg) { | |
eb7f6c4f | 2692 | BT_COMP_LOGE("Cannot create discarded packets message: " |
495490c5 PP |
2693 | "notit-addr=%p, stream-addr=%p", |
2694 | notit, notit->stream); | |
2695 | return; | |
2696 | } | |
2697 | ||
2698 | bt_message_discarded_packets_set_count(msg, | |
2699 | notit->snapshots.packets - | |
2700 | notit->prev_packet_snapshots.packets - 1); | |
2701 | *message = msg; | |
2702 | } | |
2703 | ||
c44c3e70 | 2704 | BT_HIDDEN |
d6e69534 | 2705 | struct bt_msg_iter *bt_msg_iter_create(struct ctf_trace_class *tc, |
e98a2d6e | 2706 | size_t max_request_sz, |
ea14c7dd | 2707 | struct bt_msg_iter_medium_ops medops, void *data, |
eb7f6c4f | 2708 | bt_logging_level log_level, bt_self_component *self_comp) |
e98a2d6e | 2709 | { |
d6e69534 | 2710 | struct bt_msg_iter *notit = NULL; |
5cd6d0e5 PP |
2711 | struct bt_bfcr_cbs cbs = { |
2712 | .classes = { | |
2713 | .signed_int = bfcr_signed_int_cb, | |
2714 | .unsigned_int = bfcr_unsigned_int_cb, | |
2715 | .floating_point = bfcr_floating_point_cb, | |
2716 | .string_begin = bfcr_string_begin_cb, | |
2717 | .string = bfcr_string_cb, | |
2718 | .string_end = bfcr_string_end_cb, | |
2719 | .compound_begin = bfcr_compound_begin_cb, | |
2720 | .compound_end = bfcr_compound_end_cb, | |
e98a2d6e PP |
2721 | }, |
2722 | .query = { | |
5cd6d0e5 PP |
2723 | .get_sequence_length = bfcr_get_sequence_length_cb, |
2724 | .borrow_variant_selected_field_class = bfcr_borrow_variant_selected_field_class_cb, | |
e98a2d6e PP |
2725 | }, |
2726 | }; | |
2727 | ||
44c440bc | 2728 | BT_ASSERT(tc); |
f6ccaed9 | 2729 | BT_ASSERT(medops.request_bytes); |
312c056a | 2730 | BT_ASSERT(medops.borrow_stream); |
eb7f6c4f | 2731 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, log_level, self_comp, |
ea14c7dd | 2732 | "Creating CTF plugin message iterator: " |
862ca4ed | 2733 | "trace-addr=%p, max-request-size=%zu, " |
ea14c7dd PP |
2734 | "data=%p, log-level=%s", tc, max_request_sz, data, |
2735 | bt_common_logging_level_string(log_level)); | |
d6e69534 | 2736 | notit = g_new0(struct bt_msg_iter, 1); |
e98a2d6e | 2737 | if (!notit) { |
eb7f6c4f | 2738 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
ea14c7dd | 2739 | "Failed to allocate one CTF plugin message iterator."); |
e98a2d6e PP |
2740 | goto end; |
2741 | } | |
eb7f6c4f | 2742 | notit->self_comp = self_comp; |
ea14c7dd | 2743 | notit->log_level = log_level; |
44c440bc | 2744 | notit->meta.tc = tc; |
e98a2d6e PP |
2745 | notit->medium.medops = medops; |
2746 | notit->medium.max_request_sz = max_request_sz; | |
2747 | notit->medium.data = data; | |
e98a2d6e | 2748 | notit->stack = stack_new(notit); |
44c440bc PP |
2749 | notit->stored_values = g_array_new(FALSE, TRUE, sizeof(uint64_t)); |
2750 | g_array_set_size(notit->stored_values, tc->stored_value_count); | |
2751 | ||
e98a2d6e | 2752 | if (!notit->stack) { |
eb7f6c4f | 2753 | BT_COMP_LOGE_STR("Failed to create field stack."); |
c44c3e70 | 2754 | goto error; |
e98a2d6e PP |
2755 | } |
2756 | ||
c4a714d2 | 2757 | notit->bfcr = bt_bfcr_create(cbs, notit, log_level, NULL); |
5cd6d0e5 | 2758 | if (!notit->bfcr) { |
eb7f6c4f | 2759 | BT_COMP_LOGE_STR("Failed to create binary class reader (BFCR)."); |
c44c3e70 | 2760 | goto error; |
e98a2d6e PP |
2761 | } |
2762 | ||
d6e69534 | 2763 | bt_msg_iter_reset(notit); |
eb7f6c4f | 2764 | BT_COMP_LOGD("Created CTF plugin message iterator: " |
862ca4ed | 2765 | "trace-addr=%p, max-request-size=%zu, " |
ea14c7dd PP |
2766 | "data=%p, notit-addr=%p, log-level=%s", |
2767 | tc, max_request_sz, data, notit, | |
2768 | bt_common_logging_level_string(log_level)); | |
9e0c8dbb | 2769 | notit->cur_packet_offset = 0; |
fdf0e7a0 | 2770 | |
e98a2d6e PP |
2771 | end: |
2772 | return notit; | |
fdf0e7a0 | 2773 | |
c44c3e70 | 2774 | error: |
d6e69534 | 2775 | bt_msg_iter_destroy(notit); |
c44c3e70 JG |
2776 | notit = NULL; |
2777 | goto end; | |
e98a2d6e PP |
2778 | } |
2779 | ||
d6e69534 | 2780 | void bt_msg_iter_destroy(struct bt_msg_iter *notit) |
e98a2d6e | 2781 | { |
c5b9b441 PP |
2782 | BT_PACKET_PUT_REF_AND_RESET(notit->packet); |
2783 | BT_STREAM_PUT_REF_AND_RESET(notit->stream); | |
312c056a | 2784 | release_all_dscopes(notit); |
e98a2d6e | 2785 | |
eb7f6c4f | 2786 | BT_COMP_LOGD("Destroying CTF plugin message iterator: addr=%p", notit); |
fdf0e7a0 | 2787 | |
e98a2d6e | 2788 | if (notit->stack) { |
eb7f6c4f | 2789 | BT_COMP_LOGD_STR("Destroying field stack."); |
e98a2d6e PP |
2790 | stack_destroy(notit->stack); |
2791 | } | |
2792 | ||
5cd6d0e5 | 2793 | if (notit->bfcr) { |
eb7f6c4f | 2794 | BT_COMP_LOGD("Destroying BFCR: bfcr-addr=%p", notit->bfcr); |
5cd6d0e5 | 2795 | bt_bfcr_destroy(notit->bfcr); |
e98a2d6e PP |
2796 | } |
2797 | ||
44c440bc PP |
2798 | if (notit->stored_values) { |
2799 | g_array_free(notit->stored_values, TRUE); | |
5f870343 | 2800 | } |
fdf0e7a0 | 2801 | |
e98a2d6e PP |
2802 | g_free(notit); |
2803 | } | |
2804 | ||
d6e69534 PP |
2805 | enum bt_msg_iter_status bt_msg_iter_get_next_message( |
2806 | struct bt_msg_iter *notit, | |
fc917f65 | 2807 | bt_self_message_iterator *msg_iter, bt_message **message) |
e98a2d6e | 2808 | { |
d6e69534 | 2809 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
e98a2d6e | 2810 | |
f6ccaed9 | 2811 | BT_ASSERT(notit); |
d6e69534 | 2812 | BT_ASSERT(message); |
d6e69534 | 2813 | notit->msg_iter = msg_iter; |
495490c5 | 2814 | notit->set_stream = true; |
eb7f6c4f | 2815 | BT_COMP_LOGD("Getting next message: notit-addr=%p", notit); |
fdf0e7a0 | 2816 | |
e98a2d6e PP |
2817 | while (true) { |
2818 | status = handle_state(notit); | |
91d81473 | 2819 | if (G_UNLIKELY(status == BT_MSG_ITER_STATUS_AGAIN)) { |
eb7f6c4f | 2820 | BT_COMP_LOGD_STR("Medium returned BT_MSG_ITER_STATUS_AGAIN."); |
7cdc2bab | 2821 | goto end; |
91d81473 | 2822 | } else if (G_UNLIKELY(status != BT_MSG_ITER_STATUS_OK)) { |
eb7f6c4f | 2823 | BT_COMP_LOGW("Cannot handle state: notit-addr=%p, state=%s", |
fc917f65 | 2824 | notit, state_string(notit->state)); |
e98a2d6e PP |
2825 | goto end; |
2826 | } | |
2827 | ||
2828 | switch (notit->state) { | |
fc917f65 PP |
2829 | case STATE_EMIT_MSG_EVENT: |
2830 | BT_ASSERT(notit->event_msg); | |
fc917f65 PP |
2831 | *message = notit->event_msg; |
2832 | notit->event_msg = NULL; | |
495490c5 PP |
2833 | goto end; |
2834 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
2835 | /* create_msg_discared_events() logs errors */ | |
2836 | create_msg_discarded_events(notit, message); | |
2837 | ||
2838 | if (!*message) { | |
2839 | status = BT_MSG_ITER_STATUS_ERROR; | |
2840 | } | |
2841 | ||
2842 | goto end; | |
2843 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
2844 | /* create_msg_discared_packets() logs errors */ | |
2845 | create_msg_discarded_packets(notit, message); | |
2846 | ||
2847 | if (!*message) { | |
2848 | status = BT_MSG_ITER_STATUS_ERROR; | |
2849 | } | |
2850 | ||
fc917f65 PP |
2851 | goto end; |
2852 | case STATE_EMIT_MSG_PACKET_BEGINNING: | |
2853 | /* create_msg_packet_beginning() logs errors */ | |
2854 | create_msg_packet_beginning(notit, message); | |
44c440bc | 2855 | |
d6e69534 PP |
2856 | if (!*message) { |
2857 | status = BT_MSG_ITER_STATUS_ERROR; | |
f42867e2 | 2858 | } |
44c440bc | 2859 | |
f42867e2 | 2860 | goto end; |
fc917f65 PP |
2861 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
2862 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
2863 | /* create_msg_packet_end() logs errors */ | |
2864 | create_msg_packet_end(notit, message); | |
44c440bc | 2865 | |
d6e69534 PP |
2866 | if (!*message) { |
2867 | status = BT_MSG_ITER_STATUS_ERROR; | |
e98a2d6e | 2868 | } |
312c056a | 2869 | |
e98a2d6e | 2870 | goto end; |
fc917f65 | 2871 | case STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING: |
495490c5 PP |
2872 | /* create_msg_stream_activity_beginning() logs errors */ |
2873 | create_msg_stream_activity_beginning(notit, message); | |
fc917f65 | 2874 | |
495490c5 PP |
2875 | if (!*message) { |
2876 | status = BT_MSG_ITER_STATUS_ERROR; | |
e98a2d6e | 2877 | } |
312c056a | 2878 | |
495490c5 | 2879 | goto end; |
fc917f65 | 2880 | case STATE_EMIT_MSG_STREAM_ACTIVITY_END: |
495490c5 PP |
2881 | /* create_msg_stream_activity_end() logs errors */ |
2882 | create_msg_stream_activity_end(notit, message); | |
fc917f65 | 2883 | |
495490c5 PP |
2884 | if (!*message) { |
2885 | status = BT_MSG_ITER_STATUS_ERROR; | |
fc917f65 PP |
2886 | } |
2887 | ||
495490c5 | 2888 | goto end; |
fc917f65 | 2889 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
495490c5 PP |
2890 | /* create_msg_stream_beginning() logs errors */ |
2891 | create_msg_stream_beginning(notit, message); | |
fc917f65 | 2892 | |
495490c5 PP |
2893 | if (!*message) { |
2894 | status = BT_MSG_ITER_STATUS_ERROR; | |
fc917f65 PP |
2895 | } |
2896 | ||
495490c5 | 2897 | goto end; |
fc917f65 | 2898 | case STATE_EMIT_MSG_STREAM_END: |
495490c5 PP |
2899 | /* create_msg_stream_end() logs errors */ |
2900 | create_msg_stream_end(notit, message); | |
fc917f65 | 2901 | |
495490c5 PP |
2902 | if (!*message) { |
2903 | status = BT_MSG_ITER_STATUS_ERROR; | |
fc917f65 PP |
2904 | } |
2905 | ||
495490c5 | 2906 | goto end; |
fc917f65 PP |
2907 | case STATE_DONE: |
2908 | status = BT_MSG_ITER_STATUS_EOF; | |
e98a2d6e PP |
2909 | goto end; |
2910 | default: | |
2911 | /* Non-emitting state: continue */ | |
2912 | break; | |
2913 | } | |
2914 | } | |
2915 | ||
2916 | end: | |
2917 | return status; | |
2918 | } | |
87187cbf | 2919 | |
41693723 PP |
2920 | static |
2921 | enum bt_msg_iter_status read_packet_header_context_fields( | |
2922 | struct bt_msg_iter *notit) | |
87187cbf | 2923 | { |
9e0c8dbb | 2924 | int ret; |
d6e69534 | 2925 | enum bt_msg_iter_status status = BT_MSG_ITER_STATUS_OK; |
87187cbf | 2926 | |
f6ccaed9 | 2927 | BT_ASSERT(notit); |
495490c5 | 2928 | notit->set_stream = false; |
87187cbf | 2929 | |
fc917f65 | 2930 | if (notit->state == STATE_EMIT_MSG_PACKET_BEGINNING) { |
87187cbf | 2931 | /* We're already there */ |
41693723 | 2932 | goto end; |
87187cbf PP |
2933 | } |
2934 | ||
2935 | while (true) { | |
2936 | status = handle_state(notit); | |
91d81473 | 2937 | if (G_UNLIKELY(status == BT_MSG_ITER_STATUS_AGAIN)) { |
eb7f6c4f | 2938 | BT_COMP_LOGD_STR("Medium returned BT_MSG_ITER_STATUS_AGAIN."); |
87187cbf | 2939 | goto end; |
91d81473 | 2940 | } else if (G_UNLIKELY(status != BT_MSG_ITER_STATUS_OK)) { |
eb7f6c4f | 2941 | BT_COMP_LOGW("Cannot handle state: notit-addr=%p, state=%s", |
fc917f65 | 2942 | notit, state_string(notit->state)); |
87187cbf PP |
2943 | goto end; |
2944 | } | |
2945 | ||
2946 | switch (notit->state) { | |
fc917f65 | 2947 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
87187cbf PP |
2948 | /* |
2949 | * Packet header and context fields are | |
2950 | * potentially decoded (or they don't exist). | |
2951 | */ | |
41693723 | 2952 | goto end; |
87187cbf PP |
2953 | case STATE_INIT: |
2954 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
2955 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
2956 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
2957 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
2958 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
2959 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
495490c5 | 2960 | case STATE_CHECK_EMIT_MSG_STREAM_BEGINNING: |
fc917f65 PP |
2961 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
2962 | case STATE_EMIT_MSG_STREAM_ACTIVITY_BEGINNING: | |
495490c5 PP |
2963 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: |
2964 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
2965 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
2966 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
87187cbf PP |
2967 | /* Non-emitting state: continue */ |
2968 | break; | |
2969 | default: | |
2970 | /* | |
2971 | * We should never get past the | |
fc917f65 | 2972 | * STATE_EMIT_MSG_PACKET_BEGINNING state. |
87187cbf | 2973 | */ |
eb7f6c4f | 2974 | BT_COMP_LOGF("Unexpected state: notit-addr=%p, state=%s", |
fdf0e7a0 | 2975 | notit, state_string(notit->state)); |
0fbb9a9f | 2976 | abort(); |
87187cbf PP |
2977 | } |
2978 | } | |
2979 | ||
41693723 | 2980 | end: |
312c056a PP |
2981 | ret = set_current_packet_content_sizes(notit); |
2982 | if (ret) { | |
d6e69534 | 2983 | status = BT_MSG_ITER_STATUS_ERROR; |
312c056a PP |
2984 | } |
2985 | ||
87187cbf PP |
2986 | return status; |
2987 | } | |
6de92955 PP |
2988 | |
2989 | BT_HIDDEN | |
d6e69534 | 2990 | void bt_msg_iter_set_medops_data(struct bt_msg_iter *notit, |
6de92955 PP |
2991 | void *medops_data) |
2992 | { | |
f6ccaed9 | 2993 | BT_ASSERT(notit); |
6de92955 PP |
2994 | notit->medium.data = medops_data; |
2995 | } | |
9e0c8dbb JG |
2996 | |
2997 | BT_HIDDEN | |
fc917f65 PP |
2998 | enum bt_msg_iter_status bt_msg_iter_seek(struct bt_msg_iter *notit, |
2999 | off_t offset) | |
9e0c8dbb | 3000 | { |
d6e69534 PP |
3001 | enum bt_msg_iter_status ret = BT_MSG_ITER_STATUS_OK; |
3002 | enum bt_msg_iter_medium_status medium_status; | |
9e0c8dbb | 3003 | |
f6ccaed9 | 3004 | BT_ASSERT(notit); |
9e0c8dbb | 3005 | if (offset < 0) { |
eb7f6c4f | 3006 | BT_COMP_LOGE("Cannot seek to negative offset: offset=%jd", offset); |
d6e69534 | 3007 | ret = BT_MSG_ITER_STATUS_INVAL; |
9e0c8dbb JG |
3008 | goto end; |
3009 | } | |
3010 | ||
3011 | if (!notit->medium.medops.seek) { | |
d6e69534 | 3012 | ret = BT_MSG_ITER_STATUS_UNSUPPORTED; |
eb7f6c4f | 3013 | BT_COMP_LOGD("Aborting seek as the iterator's underlying media does not implement seek support."); |
9e0c8dbb JG |
3014 | goto end; |
3015 | } | |
3016 | ||
3017 | medium_status = notit->medium.medops.seek( | |
d6e69534 PP |
3018 | BT_MSG_ITER_SEEK_WHENCE_SET, offset, notit->medium.data); |
3019 | if (medium_status != BT_MSG_ITER_MEDIUM_STATUS_OK) { | |
3020 | if (medium_status == BT_MSG_ITER_MEDIUM_STATUS_EOF) { | |
3021 | ret = BT_MSG_ITER_STATUS_EOF; | |
9e0c8dbb | 3022 | } else { |
d6e69534 | 3023 | ret = BT_MSG_ITER_STATUS_ERROR; |
9e0c8dbb JG |
3024 | goto end; |
3025 | } | |
3026 | } | |
3027 | ||
d6e69534 | 3028 | bt_msg_iter_reset(notit); |
9e0c8dbb | 3029 | notit->cur_packet_offset = offset; |
44c440bc | 3030 | |
9e0c8dbb JG |
3031 | end: |
3032 | return ret; | |
3033 | } | |
3034 | ||
44c440bc | 3035 | BT_HIDDEN |
d6e69534 PP |
3036 | enum bt_msg_iter_status bt_msg_iter_get_packet_properties( |
3037 | struct bt_msg_iter *notit, | |
3038 | struct bt_msg_iter_packet_properties *props) | |
44c440bc | 3039 | { |
41693723 PP |
3040 | enum bt_msg_iter_status status; |
3041 | ||
44c440bc PP |
3042 | BT_ASSERT(notit); |
3043 | BT_ASSERT(props); | |
41693723 PP |
3044 | status = read_packet_header_context_fields(notit); |
3045 | if (status != BT_MSG_ITER_STATUS_OK) { | |
3046 | goto end; | |
3047 | } | |
44c440bc | 3048 | |
fc917f65 PP |
3049 | props->exp_packet_total_size = notit->cur_exp_packet_total_size; |
3050 | props->exp_packet_content_size = notit->cur_exp_packet_content_size; | |
44c440bc PP |
3051 | props->stream_class_id = (uint64_t) notit->cur_stream_class_id; |
3052 | props->data_stream_id = notit->cur_data_stream_id; | |
3053 | props->snapshots.discarded_events = notit->snapshots.discarded_events; | |
3054 | props->snapshots.packets = notit->snapshots.packets; | |
3055 | props->snapshots.beginning_clock = notit->snapshots.beginning_clock; | |
3056 | props->snapshots.end_clock = notit->snapshots.end_clock; | |
41693723 PP |
3057 | |
3058 | end: | |
3059 | return status; | |
9e0c8dbb | 3060 | } |
fc917f65 PP |
3061 | |
3062 | BT_HIDDEN | |
3063 | void bt_msg_iter_set_emit_stream_beginning_message(struct bt_msg_iter *notit, | |
3064 | bool val) | |
3065 | { | |
3066 | notit->emit_stream_begin_msg = val; | |
3067 | } | |
3068 | ||
3069 | BT_HIDDEN | |
3070 | void bt_msg_iter_set_emit_stream_end_message(struct bt_msg_iter *notit, | |
3071 | bool val) | |
3072 | { | |
3073 | notit->emit_stream_end_msg = val; | |
3074 | } |