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 | ||
3adcb386 FD |
26 | #define BT_COMP_LOG_SELF_COMP (msg_it->self_comp) |
27 | #define BT_LOG_OUTPUT_LEVEL (msg_it->log_level) | |
350ad6c1 | 28 | #define BT_LOG_TAG "PLUGIN/CTF/MSG-ITER" |
d9c39b0a | 29 | #include "logging/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 | |
18a1979b | 46 | struct ctf_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 | ||
18a1979b | 67 | struct ctf_msg_iter; |
ea14c7dd | 68 | |
e98a2d6e PP |
69 | /* Visit stack */ |
70 | struct stack { | |
18a1979b | 71 | struct ctf_msg_iter *msg_it; |
ea14c7dd | 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, | |
44269abb | 83 | STATE_SWITCH_PACKET, |
e98a2d6e PP |
84 | STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN, |
85 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, | |
86 | STATE_AFTER_TRACE_PACKET_HEADER, | |
87 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN, | |
88 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
89 | STATE_AFTER_STREAM_PACKET_CONTEXT, | |
fc917f65 | 90 | STATE_EMIT_MSG_STREAM_BEGINNING, |
495490c5 PP |
91 | STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS, |
92 | STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS, | |
93 | STATE_EMIT_MSG_DISCARDED_EVENTS, | |
94 | STATE_EMIT_MSG_DISCARDED_PACKETS, | |
fc917f65 | 95 | STATE_EMIT_MSG_PACKET_BEGINNING, |
44c440bc PP |
96 | STATE_DSCOPE_EVENT_HEADER_BEGIN, |
97 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, | |
98 | STATE_AFTER_EVENT_HEADER, | |
99 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN, | |
100 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
101 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, | |
102 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, | |
e98a2d6e PP |
103 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
104 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
d6e69534 | 105 | STATE_EMIT_MSG_EVENT, |
1eb28907 | 106 | STATE_EMIT_QUEUED_MSG_EVENT, |
e98a2d6e | 107 | STATE_SKIP_PACKET_PADDING, |
fc917f65 PP |
108 | STATE_EMIT_MSG_PACKET_END_MULTI, |
109 | STATE_EMIT_MSG_PACKET_END_SINGLE, | |
1eb28907 | 110 | STATE_EMIT_QUEUED_MSG_PACKET_END, |
1cda4ff4 | 111 | STATE_CHECK_EMIT_MSG_STREAM_END, |
fc917f65 PP |
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 | 123 | /* CTF message iterator */ |
18a1979b | 124 | struct ctf_msg_iter { |
e98a2d6e PP |
125 | /* Visit stack */ |
126 | struct stack *stack; | |
127 | ||
d6e69534 | 128 | /* Current message iterator to create messages (weak) */ |
e5d25da2 | 129 | bt_self_message_iterator *self_msg_iter; |
5c563278 | 130 | |
de24a43f FD |
131 | /* |
132 | * True if library objects are unavailable during the decoding and | |
133 | * should not be created/used. | |
134 | */ | |
135 | bool dry_run; | |
136 | ||
e98a2d6e PP |
137 | /* |
138 | * Current dynamic scope field pointer. | |
139 | * | |
312c056a PP |
140 | * This is set by read_dscope_begin_state() and contains the |
141 | * value of one of the pointers in `dscopes` below. | |
e98a2d6e | 142 | */ |
b19ff26f | 143 | bt_field *cur_dscope_field; |
e98a2d6e | 144 | |
44c440bc PP |
145 | /* |
146 | * True if we're done filling a string field from a text | |
147 | * array/sequence payload. | |
148 | */ | |
149 | bool done_filling_string; | |
150 | ||
151 | /* Trace and classes */ | |
41693723 PP |
152 | /* True to set IR fields */ |
153 | bool set_ir_fields; | |
154 | ||
e98a2d6e | 155 | struct { |
44c440bc PP |
156 | struct ctf_trace_class *tc; |
157 | struct ctf_stream_class *sc; | |
158 | struct ctf_event_class *ec; | |
e98a2d6e PP |
159 | } meta; |
160 | ||
161 | /* Current packet (NULL if not created yet) */ | |
b19ff26f | 162 | bt_packet *packet; |
e98a2d6e | 163 | |
af87daef | 164 | /* Current stream (NULL if not set yet) */ |
b19ff26f | 165 | bt_stream *stream; |
af87daef | 166 | |
312c056a | 167 | /* Current event (NULL if not created yet) */ |
b19ff26f | 168 | bt_event *event; |
312c056a | 169 | |
d6e69534 PP |
170 | /* Current event message (NULL if not created yet) */ |
171 | bt_message *event_msg; | |
312c056a | 172 | |
1eb28907 FD |
173 | /* |
174 | * True if we need to emit a packet beginning message before we emit | |
175 | * the next event message or the packet end message. | |
176 | */ | |
177 | bool emit_delayed_packet_beginning_msg; | |
178 | ||
bc0ae364 SM |
179 | /* |
180 | * True if this is the first packet we are reading, and therefore if we | |
181 | * should emit a stream beginning message. | |
182 | */ | |
183 | bool emit_stream_beginning_message; | |
184 | ||
1cda4ff4 FD |
185 | /* |
186 | * True if we need to emit a stream end message at the end of the | |
187 | * current stream. A live stream may never receive any data and thus | |
188 | * never send a stream beginning message which removes the need to emit | |
189 | * a stream end message. | |
190 | */ | |
191 | bool emit_stream_end_message; | |
192 | ||
44c440bc | 193 | /* Database of current dynamic scopes */ |
e98a2d6e | 194 | struct { |
b19ff26f | 195 | bt_field *stream_packet_context; |
b19ff26f PP |
196 | bt_field *event_common_context; |
197 | bt_field *event_spec_context; | |
198 | bt_field *event_payload; | |
e98a2d6e PP |
199 | } dscopes; |
200 | ||
201 | /* Current state */ | |
202 | enum state state; | |
203 | ||
2cf1d51e | 204 | /* Current medium buffer data */ |
e98a2d6e PP |
205 | struct { |
206 | /* Last address provided by medium */ | |
207 | const uint8_t *addr; | |
208 | ||
209 | /* Buffer size provided by medium (bytes) */ | |
210 | size_t sz; | |
211 | ||
212 | /* Offset within whole packet of addr (bits) */ | |
213 | size_t packet_offset; | |
214 | ||
215 | /* Current position from addr (bits) */ | |
216 | size_t at; | |
174e773b PP |
217 | |
218 | /* Position of the last event header from addr (bits) */ | |
219 | size_t last_eh_at; | |
e98a2d6e PP |
220 | } buf; |
221 | ||
222 | /* Binary type reader */ | |
5cd6d0e5 | 223 | struct bt_bfcr *bfcr; |
e98a2d6e | 224 | |
2cf1d51e | 225 | /* Current medium data */ |
e98a2d6e | 226 | struct { |
18a1979b | 227 | struct ctf_msg_iter_medium_ops medops; |
e98a2d6e PP |
228 | size_t max_request_sz; |
229 | void *data; | |
230 | } medium; | |
231 | ||
232 | /* Current packet size (bits) (-1 if unknown) */ | |
44c440bc | 233 | int64_t cur_exp_packet_total_size; |
e98a2d6e PP |
234 | |
235 | /* Current content size (bits) (-1 if unknown) */ | |
44c440bc | 236 | int64_t cur_exp_packet_content_size; |
c44c3e70 | 237 | |
44c440bc PP |
238 | /* Current stream class ID */ |
239 | int64_t cur_stream_class_id; | |
9e0c8dbb | 240 | |
44c440bc PP |
241 | /* Current event class ID */ |
242 | int64_t cur_event_class_id; | |
5f870343 | 243 | |
44c440bc PP |
244 | /* Current data stream ID */ |
245 | int64_t cur_data_stream_id; | |
5f870343 JG |
246 | |
247 | /* | |
44c440bc PP |
248 | * Offset, in the underlying media, of the current packet's |
249 | * start (-1 if unknown). | |
5f870343 | 250 | */ |
44c440bc PP |
251 | off_t cur_packet_offset; |
252 | ||
253 | /* Default clock's current value */ | |
605e1019 | 254 | uint64_t default_clock_snapshot; |
5f870343 | 255 | |
495490c5 PP |
256 | /* End of current packet snapshots */ |
257 | struct end_of_packet_snapshots snapshots; | |
258 | ||
259 | /* End of previous packet snapshots */ | |
260 | struct end_of_packet_snapshots prev_packet_snapshots; | |
44c440bc PP |
261 | |
262 | /* Stored values (for sequence lengths, variant tags) */ | |
263 | GArray *stored_values; | |
ea14c7dd PP |
264 | |
265 | /* Iterator's current log level */ | |
266 | bt_logging_level log_level; | |
eb7f6c4f PP |
267 | |
268 | /* Iterator's owning self component, or `NULL` if none (query) */ | |
269 | bt_self_component *self_comp; | |
e98a2d6e PP |
270 | }; |
271 | ||
fdf0e7a0 PP |
272 | static inline |
273 | const char *state_string(enum state state) | |
274 | { | |
275 | switch (state) { | |
276 | case STATE_INIT: | |
8a432889 | 277 | return "INIT"; |
44269abb PP |
278 | case STATE_SWITCH_PACKET: |
279 | return "SWITCH_PACKET"; | |
fdf0e7a0 | 280 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
8a432889 | 281 | return "DSCOPE_TRACE_PACKET_HEADER_BEGIN"; |
fdf0e7a0 | 282 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: |
8a432889 | 283 | return "DSCOPE_TRACE_PACKET_HEADER_CONTINUE"; |
fdf0e7a0 | 284 | case STATE_AFTER_TRACE_PACKET_HEADER: |
8a432889 | 285 | return "AFTER_TRACE_PACKET_HEADER"; |
fdf0e7a0 | 286 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: |
8a432889 | 287 | return "DSCOPE_STREAM_PACKET_CONTEXT_BEGIN"; |
fdf0e7a0 | 288 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: |
8a432889 | 289 | return "DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE"; |
fdf0e7a0 | 290 | case STATE_AFTER_STREAM_PACKET_CONTEXT: |
8a432889 | 291 | return "AFTER_STREAM_PACKET_CONTEXT"; |
fc917f65 | 292 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
8a432889 | 293 | return "EMIT_MSG_STREAM_BEGINNING"; |
fc917f65 | 294 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
8a432889 | 295 | return "EMIT_MSG_PACKET_BEGINNING"; |
495490c5 | 296 | case STATE_EMIT_MSG_DISCARDED_EVENTS: |
8a432889 | 297 | return "EMIT_MSG_DISCARDED_EVENTS"; |
495490c5 | 298 | case STATE_EMIT_MSG_DISCARDED_PACKETS: |
8a432889 | 299 | return "EMIT_MSG_DISCARDED_PACKETS"; |
44c440bc | 300 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
8a432889 | 301 | return "DSCOPE_EVENT_HEADER_BEGIN"; |
44c440bc | 302 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
8a432889 | 303 | return "DSCOPE_EVENT_HEADER_CONTINUE"; |
44c440bc | 304 | case STATE_AFTER_EVENT_HEADER: |
8a432889 | 305 | return "AFTER_EVENT_HEADER"; |
44c440bc | 306 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
8a432889 | 307 | return "DSCOPE_EVENT_COMMON_CONTEXT_BEGIN"; |
44c440bc | 308 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
8a432889 | 309 | return "DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE"; |
44c440bc | 310 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
8a432889 | 311 | return "DSCOPE_EVENT_SPEC_CONTEXT_BEGIN"; |
44c440bc | 312 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
8a432889 | 313 | return "DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE"; |
fdf0e7a0 | 314 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: |
8a432889 | 315 | return "DSCOPE_EVENT_PAYLOAD_BEGIN"; |
fdf0e7a0 | 316 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: |
8a432889 | 317 | return "DSCOPE_EVENT_PAYLOAD_CONTINUE"; |
d6e69534 | 318 | case STATE_EMIT_MSG_EVENT: |
8a432889 | 319 | return "EMIT_MSG_EVENT"; |
1eb28907 FD |
320 | case STATE_EMIT_QUEUED_MSG_EVENT: |
321 | return "EMIT_QUEUED_MSG_EVENT"; | |
fdf0e7a0 | 322 | case STATE_SKIP_PACKET_PADDING: |
8a432889 | 323 | return "SKIP_PACKET_PADDING"; |
fc917f65 | 324 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
8a432889 | 325 | return "EMIT_MSG_PACKET_END_MULTI"; |
fc917f65 | 326 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
8a432889 | 327 | return "EMIT_MSG_PACKET_END_SINGLE"; |
1eb28907 FD |
328 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
329 | return "EMIT_QUEUED_MSG_PACKET_END"; | |
1cda4ff4 FD |
330 | case STATE_CHECK_EMIT_MSG_STREAM_END: |
331 | return "CHECK_EMIT_MSG_STREAM_END"; | |
fc917f65 | 332 | case STATE_EMIT_MSG_STREAM_END: |
8a432889 | 333 | return "EMIT_MSG_STREAM_END"; |
fc917f65 | 334 | case STATE_DONE: |
8a432889 | 335 | return "DONE"; |
fdf0e7a0 PP |
336 | default: |
337 | return "(unknown)"; | |
338 | } | |
339 | } | |
340 | ||
e98a2d6e | 341 | static |
18a1979b | 342 | struct stack *stack_new(struct ctf_msg_iter *msg_it) |
e98a2d6e | 343 | { |
3adcb386 | 344 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
345 | struct stack *stack = NULL; |
346 | ||
347 | stack = g_new0(struct stack, 1); | |
348 | if (!stack) { | |
2246e99d FD |
349 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
350 | "Failed to allocate one stack."); | |
e98a2d6e PP |
351 | goto error; |
352 | } | |
353 | ||
3adcb386 | 354 | stack->msg_it = msg_it; |
afe86a06 | 355 | stack->entries = g_array_new(FALSE, TRUE, sizeof(struct stack_entry)); |
e98a2d6e | 356 | if (!stack->entries) { |
2246e99d FD |
357 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
358 | "Failed to allocate a GArray."); | |
e98a2d6e PP |
359 | goto error; |
360 | } | |
361 | ||
3adcb386 | 362 | BT_COMP_LOGD("Created stack: msg-it-addr=%p, stack-addr=%p", msg_it, stack); |
44c440bc | 363 | goto end; |
fdf0e7a0 | 364 | |
e98a2d6e PP |
365 | error: |
366 | g_free(stack); | |
44c440bc PP |
367 | stack = NULL; |
368 | ||
369 | end: | |
370 | return stack; | |
e98a2d6e PP |
371 | } |
372 | ||
373 | static | |
374 | void stack_destroy(struct stack *stack) | |
375 | { | |
18a1979b | 376 | struct ctf_msg_iter *msg_it; |
ea14c7dd | 377 | |
98b15851 | 378 | BT_ASSERT_DBG(stack); |
3adcb386 | 379 | msg_it = stack->msg_it; |
eb7f6c4f | 380 | BT_COMP_LOGD("Destroying stack: addr=%p", stack); |
afe86a06 PP |
381 | |
382 | if (stack->entries) { | |
383 | g_array_free(stack->entries, TRUE); | |
384 | } | |
385 | ||
e98a2d6e PP |
386 | g_free(stack); |
387 | } | |
388 | ||
389 | static | |
b19ff26f | 390 | void stack_push(struct stack *stack, bt_field *base) |
e98a2d6e | 391 | { |
e98a2d6e | 392 | struct stack_entry *entry; |
18a1979b | 393 | struct ctf_msg_iter *msg_it; |
e98a2d6e | 394 | |
98b15851 | 395 | BT_ASSERT_DBG(stack); |
3adcb386 | 396 | msg_it = stack->msg_it; |
98b15851 | 397 | BT_ASSERT_DBG(base); |
ef267d12 | 398 | BT_COMP_LOGT("Pushing base field on stack: stack-addr=%p, " |
afe86a06 PP |
399 | "stack-size-before=%zu, stack-size-after=%zu", |
400 | stack, stack->size, stack->size + 1); | |
401 | ||
402 | if (stack->entries->len == stack->size) { | |
403 | g_array_set_size(stack->entries, stack->size + 1); | |
e98a2d6e PP |
404 | } |
405 | ||
afe86a06 | 406 | entry = &g_array_index(stack->entries, struct stack_entry, stack->size); |
312c056a | 407 | entry->base = base; |
afe86a06 PP |
408 | entry->index = 0; |
409 | stack->size++; | |
e98a2d6e PP |
410 | } |
411 | ||
412 | static inline | |
413 | unsigned int stack_size(struct stack *stack) | |
414 | { | |
98b15851 | 415 | BT_ASSERT_DBG(stack); |
afe86a06 | 416 | return stack->size; |
e98a2d6e PP |
417 | } |
418 | ||
419 | static | |
420 | void stack_pop(struct stack *stack) | |
421 | { | |
18a1979b | 422 | struct ctf_msg_iter *msg_it; |
ea14c7dd | 423 | |
98b15851 PP |
424 | BT_ASSERT_DBG(stack); |
425 | BT_ASSERT_DBG(stack_size(stack)); | |
3adcb386 | 426 | msg_it = stack->msg_it; |
ef267d12 | 427 | BT_COMP_LOGT("Popping from stack: " |
afe86a06 PP |
428 | "stack-addr=%p, stack-size-before=%zu, stack-size-after=%zu", |
429 | stack, stack->size, stack->size - 1); | |
430 | stack->size--; | |
e98a2d6e PP |
431 | } |
432 | ||
433 | static inline | |
434 | struct stack_entry *stack_top(struct stack *stack) | |
435 | { | |
98b15851 PP |
436 | BT_ASSERT_DBG(stack); |
437 | BT_ASSERT_DBG(stack_size(stack)); | |
afe86a06 PP |
438 | return &g_array_index(stack->entries, struct stack_entry, |
439 | stack->size - 1); | |
e98a2d6e PP |
440 | } |
441 | ||
442 | static inline | |
443 | bool stack_empty(struct stack *stack) | |
444 | { | |
445 | return stack_size(stack) == 0; | |
446 | } | |
447 | ||
448 | static | |
449 | void stack_clear(struct stack *stack) | |
450 | { | |
98b15851 | 451 | BT_ASSERT_DBG(stack); |
afe86a06 | 452 | stack->size = 0; |
e98a2d6e PP |
453 | } |
454 | ||
455 | static inline | |
18a1979b SM |
456 | enum ctf_msg_iter_status msg_iter_status_from_m_status( |
457 | enum ctf_msg_iter_medium_status m_status) | |
e98a2d6e | 458 | { |
44c440bc | 459 | /* They are the same */ |
dc77b521 | 460 | return (int) m_status; |
e98a2d6e PP |
461 | } |
462 | ||
463 | static inline | |
18a1979b | 464 | size_t buf_size_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 465 | { |
3adcb386 | 466 | return msg_it->buf.sz * 8; |
e98a2d6e PP |
467 | } |
468 | ||
469 | static inline | |
18a1979b | 470 | size_t buf_available_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 471 | { |
3adcb386 | 472 | return buf_size_bits(msg_it) - msg_it->buf.at; |
e98a2d6e PP |
473 | } |
474 | ||
475 | static inline | |
18a1979b | 476 | size_t packet_at(struct ctf_msg_iter *msg_it) |
e98a2d6e | 477 | { |
3adcb386 | 478 | return msg_it->buf.packet_offset + msg_it->buf.at; |
e98a2d6e PP |
479 | } |
480 | ||
e98a2d6e | 481 | static inline |
18a1979b | 482 | void buf_consume_bits(struct ctf_msg_iter *msg_it, size_t incr) |
e98a2d6e | 483 | { |
3adcb386 FD |
484 | BT_COMP_LOGT("Advancing cursor: msg-it-addr=%p, cur-before=%zu, cur-after=%zu", |
485 | msg_it, msg_it->buf.at, msg_it->buf.at + incr); | |
486 | msg_it->buf.at += incr; | |
e98a2d6e PP |
487 | } |
488 | ||
e98a2d6e | 489 | static |
18a1979b SM |
490 | enum ctf_msg_iter_status request_medium_bytes( |
491 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 492 | { |
3adcb386 | 493 | bt_self_component *self_comp = msg_it->self_comp; |
fdf0e7a0 PP |
494 | uint8_t *buffer_addr = NULL; |
495 | size_t buffer_sz = 0; | |
18a1979b | 496 | enum ctf_msg_iter_medium_status m_status; |
e98a2d6e | 497 | |
3adcb386 FD |
498 | BT_COMP_LOGD("Calling user function (request bytes): msg-it-addr=%p, " |
499 | "request-size=%zu", msg_it, msg_it->medium.max_request_sz); | |
500 | m_status = msg_it->medium.medops.request_bytes( | |
501 | msg_it->medium.max_request_sz, &buffer_addr, | |
502 | &buffer_sz, msg_it->medium.data); | |
eb7f6c4f | 503 | BT_COMP_LOGD("User function returned: status=%s, buf-addr=%p, buf-size=%zu", |
18a1979b | 504 | ctf_msg_iter_medium_status_string(m_status), |
fdf0e7a0 | 505 | buffer_addr, buffer_sz); |
18a1979b | 506 | if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
f6ccaed9 | 507 | BT_ASSERT(buffer_sz != 0); |
e98a2d6e PP |
508 | |
509 | /* New packet offset is old one + old size (in bits) */ | |
3adcb386 | 510 | msg_it->buf.packet_offset += buf_size_bits(msg_it); |
e98a2d6e PP |
511 | |
512 | /* Restart at the beginning of the new medium buffer */ | |
3adcb386 FD |
513 | msg_it->buf.at = 0; |
514 | msg_it->buf.last_eh_at = SIZE_MAX; | |
e98a2d6e PP |
515 | |
516 | /* New medium buffer size */ | |
3adcb386 | 517 | msg_it->buf.sz = buffer_sz; |
e98a2d6e PP |
518 | |
519 | /* New medium buffer address */ | |
3adcb386 | 520 | msg_it->buf.addr = buffer_addr; |
fdf0e7a0 | 521 | |
eb7f6c4f | 522 | BT_COMP_LOGD("User function returned new bytes: " |
fdf0e7a0 | 523 | "packet-offset=%zu, cur=%zu, size=%zu, addr=%p", |
3adcb386 FD |
524 | msg_it->buf.packet_offset, msg_it->buf.at, |
525 | msg_it->buf.sz, msg_it->buf.addr); | |
eb7f6c4f | 526 | BT_COMP_LOGD_MEM(buffer_addr, buffer_sz, "Returned bytes at %p:", |
fdf0e7a0 | 527 | buffer_addr); |
18a1979b | 528 | } else if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { |
0684124b PP |
529 | /* |
530 | * User returned end of stream: validate that we're not | |
531 | * in the middle of a packet header, packet context, or | |
532 | * event. | |
533 | */ | |
3adcb386 FD |
534 | if (msg_it->cur_exp_packet_total_size >= 0) { |
535 | if (packet_at(msg_it) == | |
536 | msg_it->cur_exp_packet_total_size) { | |
df0139b8 | 537 | goto end; |
0684124b | 538 | } |
df0139b8 | 539 | } else { |
3adcb386 | 540 | if (packet_at(msg_it) == 0) { |
df0139b8 | 541 | goto end; |
0684124b | 542 | } |
0684124b | 543 | |
3adcb386 FD |
544 | if (msg_it->buf.last_eh_at != SIZE_MAX && |
545 | msg_it->buf.at == msg_it->buf.last_eh_at) { | |
df0139b8 | 546 | goto end; |
0684124b PP |
547 | } |
548 | } | |
549 | ||
0684124b | 550 | /* All other states are invalid */ |
2246e99d FD |
551 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
552 | "User function returned %s, but message iterator is in an unexpected state: " | |
df0139b8 PP |
553 | "state=%s, cur-packet-size=%" PRId64 ", cur=%zu, " |
554 | "packet-cur=%zu, last-eh-at=%zu", | |
18a1979b | 555 | ctf_msg_iter_medium_status_string(m_status), |
3adcb386 FD |
556 | state_string(msg_it->state), |
557 | msg_it->cur_exp_packet_total_size, | |
558 | msg_it->buf.at, packet_at(msg_it), | |
559 | msg_it->buf.last_eh_at); | |
18a1979b | 560 | m_status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
fdf0e7a0 | 561 | } else if (m_status < 0) { |
2246e99d | 562 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "User function failed: " |
18a1979b | 563 | "status=%s", ctf_msg_iter_medium_status_string(m_status)); |
e98a2d6e PP |
564 | } |
565 | ||
df0139b8 | 566 | end: |
d6e69534 | 567 | return msg_iter_status_from_m_status(m_status); |
e98a2d6e PP |
568 | } |
569 | ||
570 | static inline | |
18a1979b SM |
571 | enum ctf_msg_iter_status buf_ensure_available_bits( |
572 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 573 | { |
18a1979b | 574 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 575 | |
3adcb386 | 576 | if (G_UNLIKELY(buf_available_bits(msg_it) == 0)) { |
e98a2d6e | 577 | /* |
18a1979b | 578 | * This _cannot_ return CTF_MSG_ITER_STATUS_OK |
e98a2d6e PP |
579 | * _and_ no bits. |
580 | */ | |
3adcb386 | 581 | status = request_medium_bytes(msg_it); |
e98a2d6e PP |
582 | } |
583 | ||
584 | return status; | |
585 | } | |
586 | ||
587 | static | |
18a1979b SM |
588 | enum ctf_msg_iter_status read_dscope_begin_state( |
589 | struct ctf_msg_iter *msg_it, | |
5cd6d0e5 | 590 | struct ctf_field_class *dscope_fc, |
e98a2d6e | 591 | enum state done_state, enum state continue_state, |
b19ff26f | 592 | bt_field *dscope_field) |
e98a2d6e | 593 | { |
18a1979b | 594 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 595 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 596 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
597 | size_t consumed_bits; |
598 | ||
3adcb386 FD |
599 | msg_it->cur_dscope_field = dscope_field; |
600 | BT_COMP_LOGT("Starting BFCR: msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p", | |
601 | msg_it, msg_it->bfcr, dscope_fc); | |
602 | consumed_bits = bt_bfcr_start(msg_it->bfcr, dscope_fc, | |
603 | msg_it->buf.addr, msg_it->buf.at, packet_at(msg_it), | |
604 | msg_it->buf.sz, &bfcr_status); | |
ef267d12 | 605 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 606 | |
5cd6d0e5 PP |
607 | switch (bfcr_status) { |
608 | case BT_BFCR_STATUS_OK: | |
609 | /* Field class was read completely */ | |
ef267d12 | 610 | BT_COMP_LOGT_STR("Field was completely decoded."); |
3adcb386 | 611 | msg_it->state = done_state; |
e98a2d6e | 612 | break; |
5cd6d0e5 | 613 | case BT_BFCR_STATUS_EOF: |
ef267d12 | 614 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
3adcb386 | 615 | msg_it->state = continue_state; |
e98a2d6e PP |
616 | break; |
617 | default: | |
2246e99d | 618 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
3adcb386 FD |
619 | "BFCR failed to start: msg-it-addr=%p, bfcr-addr=%p, " |
620 | "status=%s", msg_it, msg_it->bfcr, | |
5cd6d0e5 | 621 | bt_bfcr_status_string(bfcr_status)); |
18a1979b | 622 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
623 | goto end; |
624 | } | |
625 | ||
626 | /* Consume bits now since we know we're not in an error state */ | |
3adcb386 | 627 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
628 | |
629 | end: | |
630 | return status; | |
631 | } | |
632 | ||
633 | static | |
18a1979b SM |
634 | enum ctf_msg_iter_status read_dscope_continue_state( |
635 | struct ctf_msg_iter *msg_it, enum state done_state) | |
e98a2d6e | 636 | { |
18a1979b | 637 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 638 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 639 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
640 | size_t consumed_bits; |
641 | ||
3adcb386 FD |
642 | BT_COMP_LOGT("Continuing BFCR: msg-it-addr=%p, bfcr-addr=%p", |
643 | msg_it, msg_it->bfcr); | |
df0139b8 | 644 | |
3adcb386 | 645 | status = buf_ensure_available_bits(msg_it); |
18a1979b | 646 | if (status != CTF_MSG_ITER_STATUS_OK) { |
fdf0e7a0 | 647 | if (status < 0) { |
2246e99d FD |
648 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
649 | "Cannot ensure that buffer has at least one byte: " | |
d6e69534 | 650 | "msg-addr=%p, status=%s", |
18a1979b | 651 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 | 652 | } else { |
ef267d12 | 653 | BT_COMP_LOGT("Cannot ensure that buffer has at least one byte: " |
d6e69534 | 654 | "msg-addr=%p, status=%s", |
18a1979b | 655 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 PP |
656 | } |
657 | ||
e98a2d6e PP |
658 | goto end; |
659 | } | |
660 | ||
3adcb386 FD |
661 | consumed_bits = bt_bfcr_continue(msg_it->bfcr, msg_it->buf.addr, |
662 | msg_it->buf.sz, &bfcr_status); | |
ef267d12 | 663 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 664 | |
5cd6d0e5 PP |
665 | switch (bfcr_status) { |
666 | case BT_BFCR_STATUS_OK: | |
78586d8a | 667 | /* Type was read completely. */ |
ef267d12 | 668 | BT_COMP_LOGT_STR("Field was completely decoded."); |
3adcb386 | 669 | msg_it->state = done_state; |
e98a2d6e | 670 | break; |
5cd6d0e5 | 671 | case BT_BFCR_STATUS_EOF: |
78586d8a | 672 | /* Stay in this continue state. */ |
ef267d12 | 673 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
e98a2d6e PP |
674 | break; |
675 | default: | |
2246e99d | 676 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
3adcb386 FD |
677 | "BFCR failed to continue: msg-it-addr=%p, bfcr-addr=%p, " |
678 | "status=%s", msg_it, msg_it->bfcr, | |
5cd6d0e5 | 679 | bt_bfcr_status_string(bfcr_status)); |
18a1979b | 680 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
681 | goto end; |
682 | } | |
683 | ||
78586d8a | 684 | /* Consume bits now since we know we're not in an error state. */ |
3adcb386 | 685 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
686 | end: |
687 | return status; | |
688 | } | |
689 | ||
690 | static | |
18a1979b | 691 | void release_event_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 692 | { |
3adcb386 FD |
693 | msg_it->dscopes.event_common_context = NULL; |
694 | msg_it->dscopes.event_spec_context = NULL; | |
695 | msg_it->dscopes.event_payload = NULL; | |
e98a2d6e PP |
696 | } |
697 | ||
698 | static | |
18a1979b | 699 | void release_all_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 700 | { |
3adcb386 | 701 | msg_it->dscopes.stream_packet_context = NULL; |
312c056a | 702 | |
3adcb386 | 703 | release_event_dscopes(msg_it); |
e98a2d6e PP |
704 | } |
705 | ||
44269abb | 706 | static |
18a1979b | 707 | enum ctf_msg_iter_status switch_packet_state(struct ctf_msg_iter *msg_it) |
44269abb | 708 | { |
f6e68e70 | 709 | enum ctf_msg_iter_status status; |
3adcb386 | 710 | bt_self_component *self_comp = msg_it->self_comp; |
44269abb PP |
711 | |
712 | /* | |
713 | * We don't put the stream class here because we need to make | |
714 | * sure that all the packets processed by the same message | |
715 | * iterator refer to the same stream class (the first one). | |
716 | */ | |
3adcb386 | 717 | BT_ASSERT(msg_it); |
44269abb | 718 | |
3adcb386 FD |
719 | if (msg_it->cur_exp_packet_total_size != -1) { |
720 | msg_it->cur_packet_offset += msg_it->cur_exp_packet_total_size; | |
44269abb PP |
721 | } |
722 | ||
3adcb386 FD |
723 | BT_COMP_LOGD("Switching packet: msg-it-addr=%p, cur=%zu, " |
724 | "packet-offset=%" PRId64, msg_it, msg_it->buf.at, | |
725 | msg_it->cur_packet_offset); | |
726 | stack_clear(msg_it->stack); | |
727 | msg_it->meta.ec = NULL; | |
728 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
729 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
730 | release_all_dscopes(msg_it); | |
731 | msg_it->cur_dscope_field = NULL; | |
44269abb | 732 | |
f6e68e70 SM |
733 | if (msg_it->medium.medops.switch_packet) { |
734 | enum ctf_msg_iter_medium_status medium_status; | |
735 | ||
736 | medium_status = msg_it->medium.medops.switch_packet(msg_it->medium.data); | |
737 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
738 | /* No more packets. */ | |
1cda4ff4 | 739 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END; |
f6e68e70 SM |
740 | status = CTF_MSG_ITER_STATUS_OK; |
741 | goto end; | |
742 | } else if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
743 | status = (int) medium_status; | |
744 | goto end; | |
745 | } | |
746 | ||
747 | /* | |
748 | * After the packet switch, the medium might want to give us a | |
749 | * different buffer for the new packet. | |
750 | */ | |
751 | status = request_medium_bytes(msg_it); | |
752 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
753 | goto end; | |
754 | } | |
755 | } | |
756 | ||
44269abb PP |
757 | /* |
758 | * Adjust current buffer so that addr points to the beginning of the new | |
759 | * packet. | |
760 | */ | |
3adcb386 FD |
761 | if (msg_it->buf.addr) { |
762 | size_t consumed_bytes = (size_t) (msg_it->buf.at / CHAR_BIT); | |
44269abb PP |
763 | |
764 | /* Packets are assumed to start on a byte frontier. */ | |
3adcb386 | 765 | if (msg_it->buf.at % CHAR_BIT) { |
2246e99d FD |
766 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
767 | "Cannot switch packet: current position is not a multiple of 8: " | |
3adcb386 | 768 | "msg-it-addr=%p, cur=%zu", msg_it, msg_it->buf.at); |
18a1979b | 769 | status = CTF_MSG_ITER_STATUS_ERROR; |
44269abb PP |
770 | goto end; |
771 | } | |
772 | ||
3adcb386 FD |
773 | msg_it->buf.addr += consumed_bytes; |
774 | msg_it->buf.sz -= consumed_bytes; | |
775 | msg_it->buf.at = 0; | |
776 | msg_it->buf.packet_offset = 0; | |
44269abb | 777 | BT_COMP_LOGD("Adjusted buffer: addr=%p, size=%zu", |
3adcb386 | 778 | msg_it->buf.addr, msg_it->buf.sz); |
44269abb PP |
779 | } |
780 | ||
3adcb386 FD |
781 | msg_it->cur_exp_packet_content_size = -1; |
782 | msg_it->cur_exp_packet_total_size = -1; | |
783 | msg_it->cur_stream_class_id = -1; | |
784 | msg_it->cur_event_class_id = -1; | |
785 | msg_it->cur_data_stream_id = -1; | |
786 | msg_it->prev_packet_snapshots = msg_it->snapshots; | |
787 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
788 | msg_it->snapshots.packets = UINT64_C(-1); | |
789 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
790 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
791 | msg_it->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
44269abb | 792 | |
f6e68e70 | 793 | status = CTF_MSG_ITER_STATUS_OK; |
44269abb PP |
794 | end: |
795 | return status; | |
796 | } | |
797 | ||
e98a2d6e | 798 | static |
18a1979b SM |
799 | enum ctf_msg_iter_status read_packet_header_begin_state( |
800 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 801 | { |
5cd6d0e5 | 802 | struct ctf_field_class *packet_header_fc = NULL; |
3adcb386 | 803 | bt_self_component *self_comp = msg_it->self_comp; |
18a1979b | 804 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 805 | |
fc917f65 PP |
806 | /* |
807 | * Make sure at least one bit is available for this packet. An | |
808 | * empty packet is impossible. If we reach the end of the medium | |
809 | * at this point, then it's considered the end of the stream. | |
810 | */ | |
3adcb386 | 811 | status = buf_ensure_available_bits(msg_it); |
3a246966 | 812 | switch (status) { |
18a1979b | 813 | case CTF_MSG_ITER_STATUS_OK: |
fc917f65 | 814 | break; |
18a1979b SM |
815 | case CTF_MSG_ITER_STATUS_EOF: |
816 | status = CTF_MSG_ITER_STATUS_OK; | |
1cda4ff4 | 817 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END; |
fc917f65 PP |
818 | goto end; |
819 | default: | |
820 | goto end; | |
821 | } | |
822 | ||
862ca4ed | 823 | /* Packet header class is common to the whole trace class. */ |
3adcb386 | 824 | packet_header_fc = msg_it->meta.tc->packet_header_fc; |
5cd6d0e5 | 825 | if (!packet_header_fc) { |
3adcb386 | 826 | msg_it->state = STATE_AFTER_TRACE_PACKET_HEADER; |
e98a2d6e PP |
827 | goto end; |
828 | } | |
829 | ||
3adcb386 FD |
830 | msg_it->cur_stream_class_id = -1; |
831 | msg_it->cur_event_class_id = -1; | |
832 | msg_it->cur_data_stream_id = -1; | |
eb7f6c4f | 833 | BT_COMP_LOGD("Decoding packet header field:" |
3adcb386 FD |
834 | "msg-it-addr=%p, trace-class-addr=%p, fc-addr=%p", |
835 | msg_it, msg_it->meta.tc, packet_header_fc); | |
836 | status = read_dscope_begin_state(msg_it, packet_header_fc, | |
fdf0e7a0 | 837 | STATE_AFTER_TRACE_PACKET_HEADER, |
83ebb7f1 | 838 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, NULL); |
3a246966 | 839 | if (status < 0) { |
2246e99d FD |
840 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
841 | "Cannot decode packet header field: " | |
3adcb386 | 842 | "msg-it-addr=%p, trace-class-addr=%p, " |
862ca4ed | 843 | "fc-addr=%p", |
3adcb386 | 844 | msg_it, msg_it->meta.tc, packet_header_fc); |
fdf0e7a0 | 845 | } |
d1e46835 | 846 | |
e98a2d6e | 847 | end: |
3a246966 | 848 | return status; |
e98a2d6e PP |
849 | } |
850 | ||
851 | static | |
18a1979b SM |
852 | enum ctf_msg_iter_status read_packet_header_continue_state( |
853 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 854 | { |
3adcb386 | 855 | return read_dscope_continue_state(msg_it, |
44c440bc | 856 | STATE_AFTER_TRACE_PACKET_HEADER); |
5f870343 JG |
857 | } |
858 | ||
e98a2d6e | 859 | static inline |
18a1979b | 860 | enum ctf_msg_iter_status set_current_stream_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 861 | { |
18a1979b | 862 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 863 | bt_self_component *self_comp = msg_it->self_comp; |
44c440bc PP |
864 | struct ctf_stream_class *new_stream_class = NULL; |
865 | ||
3adcb386 | 866 | if (msg_it->cur_stream_class_id == -1) { |
fdf0e7a0 | 867 | /* |
44c440bc PP |
868 | * No current stream class ID field, therefore only one |
869 | * stream class. | |
fdf0e7a0 | 870 | */ |
3adcb386 | 871 | if (msg_it->meta.tc->stream_classes->len != 1) { |
2246e99d FD |
872 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
873 | "Need exactly one stream class since there's " | |
44c440bc | 874 | "no stream class ID field: " |
3adcb386 | 875 | "msg-it-addr=%p", msg_it); |
18a1979b | 876 | status = CTF_MSG_ITER_STATUS_ERROR; |
44c440bc PP |
877 | goto end; |
878 | } | |
e98a2d6e | 879 | |
3adcb386 FD |
880 | new_stream_class = msg_it->meta.tc->stream_classes->pdata[0]; |
881 | msg_it->cur_stream_class_id = new_stream_class->id; | |
e98a2d6e PP |
882 | } |
883 | ||
44c440bc | 884 | new_stream_class = ctf_trace_class_borrow_stream_class_by_id( |
3adcb386 | 885 | msg_it->meta.tc, msg_it->cur_stream_class_id); |
115de887 | 886 | if (!new_stream_class) { |
2246e99d FD |
887 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
888 | "No stream class with ID of stream class ID to use in trace class: " | |
3adcb386 | 889 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
862ca4ed | 890 | "trace-class-addr=%p", |
3adcb386 | 891 | msg_it, msg_it->cur_stream_class_id, msg_it->meta.tc); |
18a1979b | 892 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
893 | goto end; |
894 | } | |
895 | ||
3adcb386 FD |
896 | if (msg_it->meta.sc) { |
897 | if (new_stream_class != msg_it->meta.sc) { | |
2246e99d FD |
898 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
899 | "Two packets refer to two different stream classes within the same packet sequence: " | |
3adcb386 | 900 | "msg-it-addr=%p, prev-stream-class-addr=%p, " |
115de887 PP |
901 | "prev-stream-class-id=%" PRId64 ", " |
902 | "next-stream-class-addr=%p, " | |
115de887 | 903 | "next-stream-class-id=%" PRId64 ", " |
862ca4ed | 904 | "trace-addr=%p", |
3adcb386 FD |
905 | msg_it, msg_it->meta.sc, |
906 | msg_it->meta.sc->id, | |
115de887 | 907 | new_stream_class, |
44c440bc | 908 | new_stream_class->id, |
3adcb386 | 909 | msg_it->meta.tc); |
18a1979b | 910 | status = CTF_MSG_ITER_STATUS_ERROR; |
115de887 PP |
911 | goto end; |
912 | } | |
913 | } else { | |
3adcb386 | 914 | msg_it->meta.sc = new_stream_class; |
115de887 PP |
915 | } |
916 | ||
eb7f6c4f | 917 | BT_COMP_LOGD("Set current stream class: " |
3adcb386 | 918 | "msg-it-addr=%p, stream-class-addr=%p, " |
44c440bc | 919 | "stream-class-id=%" PRId64, |
3adcb386 | 920 | msg_it, msg_it->meta.sc, msg_it->meta.sc->id); |
d1e46835 | 921 | |
e98a2d6e | 922 | end: |
e98a2d6e PP |
923 | return status; |
924 | } | |
925 | ||
312c056a | 926 | static inline |
18a1979b | 927 | enum ctf_msg_iter_status set_current_stream(struct ctf_msg_iter *msg_it) |
312c056a | 928 | { |
18a1979b | 929 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 930 | bt_self_component *self_comp = msg_it->self_comp; |
b19ff26f | 931 | bt_stream *stream = NULL; |
312c056a | 932 | |
3adcb386 | 933 | BT_COMP_LOGD("Calling user function (get stream): msg-it-addr=%p, " |
44c440bc | 934 | "stream-class-addr=%p, stream-class-id=%" PRId64, |
3adcb386 FD |
935 | msg_it, msg_it->meta.sc, |
936 | msg_it->meta.sc->id); | |
937 | stream = msg_it->medium.medops.borrow_stream( | |
938 | msg_it->meta.sc->ir_sc, msg_it->cur_data_stream_id, | |
939 | msg_it->medium.data); | |
c5b9b441 | 940 | bt_stream_get_ref(stream); |
eb7f6c4f | 941 | BT_COMP_LOGD("User function returned: stream-addr=%p", stream); |
312c056a | 942 | if (!stream) { |
2246e99d FD |
943 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
944 | "User function failed to return a stream object for the given stream class."); | |
18a1979b | 945 | status = CTF_MSG_ITER_STATUS_ERROR; |
312c056a PP |
946 | goto end; |
947 | } | |
948 | ||
3adcb386 | 949 | if (msg_it->stream && stream != msg_it->stream) { |
2246e99d FD |
950 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
951 | "User function returned a different stream than the previous one for the same sequence of packets."); | |
18a1979b | 952 | status = CTF_MSG_ITER_STATUS_ERROR; |
312c056a PP |
953 | goto end; |
954 | } | |
955 | ||
3adcb386 | 956 | BT_STREAM_MOVE_REF(msg_it->stream, stream); |
312c056a PP |
957 | |
958 | end: | |
c5b9b441 | 959 | bt_stream_put_ref(stream); |
312c056a PP |
960 | return status; |
961 | } | |
962 | ||
963 | static inline | |
18a1979b | 964 | enum ctf_msg_iter_status set_current_packet(struct ctf_msg_iter *msg_it) |
312c056a | 965 | { |
18a1979b | 966 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 967 | bt_self_component *self_comp = msg_it->self_comp; |
b19ff26f | 968 | bt_packet *packet = NULL; |
312c056a | 969 | |
eb7f6c4f | 970 | BT_COMP_LOGD("Creating packet from stream: " |
3adcb386 | 971 | "msg-it-addr=%p, stream-addr=%p, " |
312c056a | 972 | "stream-class-addr=%p, " |
312c056a | 973 | "stream-class-id=%" PRId64, |
3adcb386 FD |
974 | msg_it, msg_it->stream, msg_it->meta.sc, |
975 | msg_it->meta.sc->id); | |
312c056a PP |
976 | |
977 | /* Create packet */ | |
3adcb386 FD |
978 | BT_ASSERT(msg_it->stream); |
979 | packet = bt_packet_create(msg_it->stream); | |
312c056a | 980 | if (!packet) { |
2246e99d FD |
981 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
982 | "Cannot create packet from stream: " | |
3adcb386 | 983 | "msg-it-addr=%p, stream-addr=%p, " |
312c056a | 984 | "stream-class-addr=%p, " |
312c056a | 985 | "stream-class-id=%" PRId64, |
3adcb386 FD |
986 | msg_it, msg_it->stream, msg_it->meta.sc, |
987 | msg_it->meta.sc->id); | |
312c056a PP |
988 | goto error; |
989 | } | |
990 | ||
991 | goto end; | |
992 | ||
993 | error: | |
c5b9b441 | 994 | BT_PACKET_PUT_REF_AND_RESET(packet); |
18a1979b | 995 | status = CTF_MSG_ITER_STATUS_ERROR; |
312c056a PP |
996 | |
997 | end: | |
3adcb386 | 998 | BT_PACKET_MOVE_REF(msg_it->packet, packet); |
312c056a PP |
999 | return status; |
1000 | } | |
1001 | ||
e98a2d6e | 1002 | static |
18a1979b SM |
1003 | enum ctf_msg_iter_status after_packet_header_state( |
1004 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1005 | { |
18a1979b | 1006 | enum ctf_msg_iter_status status; |
e98a2d6e | 1007 | |
3adcb386 | 1008 | status = set_current_stream_class(msg_it); |
18a1979b | 1009 | if (status != CTF_MSG_ITER_STATUS_OK) { |
312c056a | 1010 | goto end; |
e98a2d6e PP |
1011 | } |
1012 | ||
bc0ae364 SM |
1013 | if (!msg_it->dry_run) { |
1014 | status = set_current_stream(msg_it); | |
1015 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
1016 | goto end; | |
1017 | } | |
1018 | ||
1019 | status = set_current_packet(msg_it); | |
1020 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
1021 | goto end; | |
1022 | } | |
1023 | } | |
1024 | ||
3adcb386 | 1025 | msg_it->state = STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN; |
312c056a | 1026 | |
bc0ae364 SM |
1027 | status = CTF_MSG_ITER_STATUS_OK; |
1028 | ||
312c056a | 1029 | end: |
e98a2d6e PP |
1030 | return status; |
1031 | } | |
1032 | ||
1033 | static | |
18a1979b SM |
1034 | enum ctf_msg_iter_status read_packet_context_begin_state( |
1035 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1036 | { |
18a1979b | 1037 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1038 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1039 | struct ctf_field_class *packet_context_fc; |
e98a2d6e | 1040 | |
3adcb386 FD |
1041 | BT_ASSERT(msg_it->meta.sc); |
1042 | packet_context_fc = msg_it->meta.sc->packet_context_fc; | |
5cd6d0e5 | 1043 | if (!packet_context_fc) { |
eb7f6c4f | 1044 | BT_COMP_LOGD("No packet packet context field class in stream class: continuing: " |
3adcb386 | 1045 | "msg-it-addr=%p, stream-class-addr=%p, " |
44c440bc | 1046 | "stream-class-id=%" PRId64, |
3adcb386 FD |
1047 | msg_it, msg_it->meta.sc, |
1048 | msg_it->meta.sc->id); | |
1049 | msg_it->state = STATE_AFTER_STREAM_PACKET_CONTEXT; | |
e98a2d6e PP |
1050 | goto end; |
1051 | } | |
1052 | ||
3adcb386 | 1053 | if (packet_context_fc->in_ir && !msg_it->dry_run) { |
bc0ae364 SM |
1054 | BT_ASSERT(!msg_it->dscopes.stream_packet_context); |
1055 | BT_ASSERT(msg_it->packet); | |
3adcb386 | 1056 | msg_it->dscopes.stream_packet_context = |
bc0ae364 | 1057 | bt_packet_borrow_context_field(msg_it->packet); |
3adcb386 | 1058 | BT_ASSERT(msg_it->dscopes.stream_packet_context); |
312c056a PP |
1059 | } |
1060 | ||
eb7f6c4f | 1061 | BT_COMP_LOGD("Decoding packet context field: " |
3adcb386 | 1062 | "msg-it-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1063 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1064 | msg_it, msg_it->meta.sc, |
1065 | msg_it->meta.sc->id, packet_context_fc); | |
1066 | status = read_dscope_begin_state(msg_it, packet_context_fc, | |
fdf0e7a0 PP |
1067 | STATE_AFTER_STREAM_PACKET_CONTEXT, |
1068 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
3adcb386 | 1069 | msg_it->dscopes.stream_packet_context); |
fdf0e7a0 | 1070 | if (status < 0) { |
2246e99d FD |
1071 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1072 | "Cannot decode packet context field: " | |
3adcb386 | 1073 | "msg-it-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1074 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1075 | msg_it, msg_it->meta.sc, |
1076 | msg_it->meta.sc->id, | |
5cd6d0e5 | 1077 | packet_context_fc); |
fdf0e7a0 | 1078 | } |
e98a2d6e PP |
1079 | |
1080 | end: | |
e98a2d6e PP |
1081 | return status; |
1082 | } | |
1083 | ||
1084 | static | |
18a1979b SM |
1085 | enum ctf_msg_iter_status read_packet_context_continue_state( |
1086 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1087 | { |
3adcb386 | 1088 | return read_dscope_continue_state(msg_it, |
78586d8a | 1089 | STATE_AFTER_STREAM_PACKET_CONTEXT); |
e98a2d6e PP |
1090 | } |
1091 | ||
78586d8a | 1092 | static |
18a1979b SM |
1093 | enum ctf_msg_iter_status set_current_packet_content_sizes( |
1094 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1095 | { |
18a1979b | 1096 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1097 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1098 | |
3adcb386 FD |
1099 | if (msg_it->cur_exp_packet_total_size == -1) { |
1100 | if (msg_it->cur_exp_packet_content_size != -1) { | |
1101 | msg_it->cur_exp_packet_total_size = | |
1102 | msg_it->cur_exp_packet_content_size; | |
e98a2d6e | 1103 | } |
e98a2d6e | 1104 | } else { |
3adcb386 FD |
1105 | if (msg_it->cur_exp_packet_content_size == -1) { |
1106 | msg_it->cur_exp_packet_content_size = | |
1107 | msg_it->cur_exp_packet_total_size; | |
44c440bc | 1108 | } |
e98a2d6e PP |
1109 | } |
1110 | ||
3adcb386 FD |
1111 | BT_ASSERT((msg_it->cur_exp_packet_total_size >= 0 && |
1112 | msg_it->cur_exp_packet_content_size >= 0) || | |
1113 | (msg_it->cur_exp_packet_total_size < 0 && | |
1114 | msg_it->cur_exp_packet_content_size < 0)); | |
01f71e30 | 1115 | |
3adcb386 FD |
1116 | if (msg_it->cur_exp_packet_content_size > |
1117 | msg_it->cur_exp_packet_total_size) { | |
2246e99d FD |
1118 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1119 | "Invalid packet or content size: " | |
44c440bc | 1120 | "content size is greater than packet size: " |
3adcb386 | 1121 | "msg-it-addr=%p, packet-context-field-addr=%p, " |
44c440bc | 1122 | "packet-size=%" PRId64 ", content-size=%" PRId64, |
3adcb386 FD |
1123 | msg_it, msg_it->dscopes.stream_packet_context, |
1124 | msg_it->cur_exp_packet_total_size, | |
1125 | msg_it->cur_exp_packet_content_size); | |
18a1979b | 1126 | status = CTF_MSG_ITER_STATUS_ERROR; |
fdf0e7a0 PP |
1127 | goto end; |
1128 | } | |
1129 | ||
eb7f6c4f | 1130 | BT_COMP_LOGD("Set current packet and content sizes: " |
3adcb386 FD |
1131 | "msg-it-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, |
1132 | msg_it, msg_it->cur_exp_packet_total_size, | |
1133 | msg_it->cur_exp_packet_content_size); | |
fc917f65 | 1134 | |
e98a2d6e | 1135 | end: |
e98a2d6e PP |
1136 | return status; |
1137 | } | |
1138 | ||
1139 | static | |
18a1979b | 1140 | enum ctf_msg_iter_status after_packet_context_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1141 | { |
18a1979b | 1142 | enum ctf_msg_iter_status status; |
e98a2d6e | 1143 | |
3adcb386 | 1144 | status = set_current_packet_content_sizes(msg_it); |
18a1979b | 1145 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e22b45d0 PP |
1146 | goto end; |
1147 | } | |
1148 | ||
bc0ae364 | 1149 | if (msg_it->emit_stream_beginning_message) { |
ed4ddc26 | 1150 | msg_it->state = STATE_EMIT_MSG_STREAM_BEGINNING; |
bc0ae364 SM |
1151 | } else { |
1152 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; | |
e98a2d6e PP |
1153 | } |
1154 | ||
e22b45d0 | 1155 | end: |
e98a2d6e PP |
1156 | return status; |
1157 | } | |
1158 | ||
1159 | static | |
18a1979b | 1160 | enum ctf_msg_iter_status read_event_header_begin_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1161 | { |
18a1979b | 1162 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1163 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1164 | struct ctf_field_class *event_header_fc = NULL; |
e98a2d6e | 1165 | |
174e773b | 1166 | /* Reset the position of the last event header */ |
3adcb386 FD |
1167 | msg_it->buf.last_eh_at = msg_it->buf.at; |
1168 | msg_it->cur_event_class_id = -1; | |
174e773b | 1169 | |
e98a2d6e | 1170 | /* Check if we have some content left */ |
3adcb386 FD |
1171 | if (msg_it->cur_exp_packet_content_size >= 0) { |
1172 | if (G_UNLIKELY(packet_at(msg_it) == | |
1173 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1174 | /* No more events! */ |
3adcb386 FD |
1175 | BT_COMP_LOGD("Reached end of packet: msg-it-addr=%p, " |
1176 | "cur=%zu", msg_it, packet_at(msg_it)); | |
1177 | msg_it->state = STATE_EMIT_MSG_PACKET_END_MULTI; | |
e98a2d6e | 1178 | goto end; |
3adcb386 FD |
1179 | } else if (G_UNLIKELY(packet_at(msg_it) > |
1180 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1181 | /* That's not supposed to happen */ |
eb7f6c4f | 1182 | BT_COMP_LOGD("Before decoding event header field: cursor is passed the packet's content: " |
3adcb386 FD |
1183 | "msg-it-addr=%p, content-size=%" PRId64 ", " |
1184 | "cur=%zu", msg_it, | |
1185 | msg_it->cur_exp_packet_content_size, | |
1186 | packet_at(msg_it)); | |
18a1979b | 1187 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1188 | goto end; |
1189 | } | |
44c440bc PP |
1190 | } else { |
1191 | /* | |
1192 | * "Infinite" content: we're done when the medium has | |
1193 | * nothing else for us. | |
1194 | */ | |
3adcb386 | 1195 | status = buf_ensure_available_bits(msg_it); |
fc917f65 | 1196 | switch (status) { |
18a1979b | 1197 | case CTF_MSG_ITER_STATUS_OK: |
fc917f65 | 1198 | break; |
18a1979b SM |
1199 | case CTF_MSG_ITER_STATUS_EOF: |
1200 | status = CTF_MSG_ITER_STATUS_OK; | |
3adcb386 | 1201 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
fc917f65 PP |
1202 | goto end; |
1203 | default: | |
44c440bc PP |
1204 | goto end; |
1205 | } | |
e98a2d6e PP |
1206 | } |
1207 | ||
3adcb386 FD |
1208 | release_event_dscopes(msg_it); |
1209 | BT_ASSERT(msg_it->meta.sc); | |
1210 | event_header_fc = msg_it->meta.sc->event_header_fc; | |
5cd6d0e5 | 1211 | if (!event_header_fc) { |
3adcb386 | 1212 | msg_it->state = STATE_AFTER_EVENT_HEADER; |
e98a2d6e PP |
1213 | goto end; |
1214 | } | |
1215 | ||
eb7f6c4f | 1216 | BT_COMP_LOGD("Decoding event header field: " |
3adcb386 | 1217 | "msg-it-addr=%p, stream-class-addr=%p, " |
44c440bc | 1218 | "stream-class-id=%" PRId64 ", " |
5cd6d0e5 | 1219 | "fc-addr=%p", |
3adcb386 FD |
1220 | msg_it, msg_it->meta.sc, |
1221 | msg_it->meta.sc->id, | |
5cd6d0e5 | 1222 | event_header_fc); |
3adcb386 | 1223 | status = read_dscope_begin_state(msg_it, event_header_fc, |
44c440bc | 1224 | STATE_AFTER_EVENT_HEADER, |
83ebb7f1 | 1225 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, NULL); |
fdf0e7a0 | 1226 | if (status < 0) { |
2246e99d FD |
1227 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1228 | "Cannot decode event header field: " | |
3adcb386 | 1229 | "msg-it-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1230 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1231 | msg_it, msg_it->meta.sc, |
1232 | msg_it->meta.sc->id, | |
5cd6d0e5 | 1233 | event_header_fc); |
fdf0e7a0 | 1234 | } |
e98a2d6e | 1235 | |
d1e46835 | 1236 | end: |
e98a2d6e PP |
1237 | return status; |
1238 | } | |
1239 | ||
1240 | static | |
18a1979b SM |
1241 | enum ctf_msg_iter_status read_event_header_continue_state( |
1242 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1243 | { |
3adcb386 | 1244 | return read_dscope_continue_state(msg_it, |
44c440bc | 1245 | STATE_AFTER_EVENT_HEADER); |
e98a2d6e PP |
1246 | } |
1247 | ||
1248 | static inline | |
18a1979b | 1249 | enum ctf_msg_iter_status set_current_event_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1250 | { |
18a1979b | 1251 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1252 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1253 | |
44c440bc | 1254 | struct ctf_event_class *new_event_class = NULL; |
e98a2d6e | 1255 | |
3adcb386 | 1256 | if (msg_it->cur_event_class_id == -1) { |
e98a2d6e | 1257 | /* |
44c440bc PP |
1258 | * No current event class ID field, therefore only one |
1259 | * event class. | |
e98a2d6e | 1260 | */ |
3adcb386 | 1261 | if (msg_it->meta.sc->event_classes->len != 1) { |
2246e99d FD |
1262 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1263 | "Need exactly one event class since there's no event class ID field: " | |
3adcb386 | 1264 | "msg-it-addr=%p", msg_it); |
18a1979b | 1265 | status = CTF_MSG_ITER_STATUS_ERROR; |
44c440bc | 1266 | goto end; |
fdf0e7a0 | 1267 | } |
e98a2d6e | 1268 | |
3adcb386 FD |
1269 | new_event_class = msg_it->meta.sc->event_classes->pdata[0]; |
1270 | msg_it->cur_event_class_id = new_event_class->id; | |
e98a2d6e PP |
1271 | } |
1272 | ||
44c440bc | 1273 | new_event_class = ctf_stream_class_borrow_event_class_by_id( |
3adcb386 | 1274 | msg_it->meta.sc, msg_it->cur_event_class_id); |
44c440bc | 1275 | if (!new_event_class) { |
2246e99d FD |
1276 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1277 | "No event class with ID of event class ID to use in stream class: " | |
3adcb386 | 1278 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
44c440bc | 1279 | "event-class-id=%" PRIu64 ", " |
862ca4ed | 1280 | "trace-class-addr=%p", |
3adcb386 FD |
1281 | msg_it, msg_it->meta.sc->id, msg_it->cur_event_class_id, |
1282 | msg_it->meta.tc); | |
18a1979b | 1283 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1284 | goto end; |
1285 | } | |
1286 | ||
3adcb386 | 1287 | msg_it->meta.ec = new_event_class; |
eb7f6c4f | 1288 | BT_COMP_LOGD("Set current event class: " |
3adcb386 | 1289 | "msg-it-addr=%p, event-class-addr=%p, " |
44c440bc PP |
1290 | "event-class-id=%" PRId64 ", " |
1291 | "event-class-name=\"%s\"", | |
3adcb386 FD |
1292 | msg_it, msg_it->meta.ec, msg_it->meta.ec->id, |
1293 | msg_it->meta.ec->name->str); | |
fdf0e7a0 | 1294 | |
e98a2d6e | 1295 | end: |
e98a2d6e PP |
1296 | return status; |
1297 | } | |
1298 | ||
312c056a | 1299 | static inline |
18a1979b SM |
1300 | enum ctf_msg_iter_status set_current_event_message( |
1301 | struct ctf_msg_iter *msg_it) | |
312c056a | 1302 | { |
18a1979b | 1303 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1304 | bt_self_component *self_comp = msg_it->self_comp; |
d6e69534 | 1305 | bt_message *msg = NULL; |
312c056a | 1306 | |
3adcb386 FD |
1307 | BT_ASSERT_DBG(msg_it->meta.ec); |
1308 | BT_ASSERT_DBG(msg_it->packet); | |
eb7f6c4f | 1309 | BT_COMP_LOGD("Creating event message from event class and packet: " |
3adcb386 FD |
1310 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", packet-addr=%p", |
1311 | msg_it, msg_it->meta.ec, | |
1312 | msg_it->meta.ec->name->str, | |
1313 | msg_it->packet); | |
e5d25da2 | 1314 | BT_ASSERT_DBG(msg_it->self_msg_iter); |
3adcb386 FD |
1315 | BT_ASSERT_DBG(msg_it->meta.sc); |
1316 | ||
1317 | if (bt_stream_class_borrow_default_clock_class(msg_it->meta.sc->ir_sc)) { | |
26fc5aed | 1318 | msg = bt_message_event_create_with_packet_and_default_clock_snapshot( |
e5d25da2 | 1319 | msg_it->self_msg_iter, msg_it->meta.ec->ir_ec, |
3adcb386 | 1320 | msg_it->packet, msg_it->default_clock_snapshot); |
2c091c04 | 1321 | } else { |
e5d25da2 | 1322 | msg = bt_message_event_create_with_packet(msg_it->self_msg_iter, |
3adcb386 | 1323 | msg_it->meta.ec->ir_ec, msg_it->packet); |
2c091c04 PP |
1324 | } |
1325 | ||
d6e69534 | 1326 | if (!msg) { |
2246e99d FD |
1327 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1328 | "Cannot create event message: " | |
3adcb386 | 1329 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", " |
312c056a | 1330 | "packet-addr=%p", |
3adcb386 FD |
1331 | msg_it, msg_it->meta.ec, |
1332 | msg_it->meta.ec->name->str, | |
1333 | msg_it->packet); | |
312c056a PP |
1334 | goto error; |
1335 | } | |
1336 | ||
1337 | goto end; | |
1338 | ||
1339 | error: | |
d6e69534 | 1340 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
18a1979b | 1341 | status = CTF_MSG_ITER_STATUS_ERROR; |
312c056a PP |
1342 | |
1343 | end: | |
3adcb386 | 1344 | BT_MESSAGE_MOVE_REF(msg_it->event_msg, msg); |
312c056a PP |
1345 | return status; |
1346 | } | |
1347 | ||
e98a2d6e | 1348 | static |
18a1979b SM |
1349 | enum ctf_msg_iter_status after_event_header_state( |
1350 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1351 | { |
18a1979b | 1352 | enum ctf_msg_iter_status status; |
e98a2d6e | 1353 | |
3adcb386 | 1354 | status = set_current_event_class(msg_it); |
18a1979b | 1355 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1356 | goto end; |
1357 | } | |
1358 | ||
3adcb386 | 1359 | if (G_UNLIKELY(msg_it->dry_run)) { |
de24a43f FD |
1360 | goto next_state; |
1361 | } | |
1362 | ||
3adcb386 | 1363 | status = set_current_event_message(msg_it); |
18a1979b | 1364 | if (status != CTF_MSG_ITER_STATUS_OK) { |
312c056a PP |
1365 | goto end; |
1366 | } | |
1367 | ||
3adcb386 FD |
1368 | msg_it->event = bt_message_event_borrow_event( |
1369 | msg_it->event_msg); | |
1370 | BT_ASSERT_DBG(msg_it->event); | |
de24a43f FD |
1371 | |
1372 | next_state: | |
3adcb386 | 1373 | msg_it->state = STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN; |
e98a2d6e PP |
1374 | |
1375 | end: | |
1376 | return status; | |
1377 | } | |
1378 | ||
1379 | static | |
18a1979b SM |
1380 | enum ctf_msg_iter_status read_event_common_context_begin_state( |
1381 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1382 | { |
18a1979b | 1383 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1384 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1385 | struct ctf_field_class *event_common_context_fc; |
e98a2d6e | 1386 | |
3adcb386 | 1387 | event_common_context_fc = msg_it->meta.sc->event_common_context_fc; |
5cd6d0e5 | 1388 | if (!event_common_context_fc) { |
3adcb386 | 1389 | msg_it->state = STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN; |
e98a2d6e PP |
1390 | goto end; |
1391 | } | |
1392 | ||
3adcb386 FD |
1393 | if (event_common_context_fc->in_ir && !msg_it->dry_run) { |
1394 | BT_ASSERT_DBG(!msg_it->dscopes.event_common_context); | |
1395 | msg_it->dscopes.event_common_context = | |
40f4ba76 | 1396 | bt_event_borrow_common_context_field( |
3adcb386 FD |
1397 | msg_it->event); |
1398 | BT_ASSERT_DBG(msg_it->dscopes.event_common_context); | |
44c440bc PP |
1399 | } |
1400 | ||
ef267d12 | 1401 | BT_COMP_LOGT("Decoding event common context field: " |
3adcb386 | 1402 | "msg-it-addr=%p, stream-class-addr=%p, " |
44c440bc | 1403 | "stream-class-id=%" PRId64 ", " |
5cd6d0e5 | 1404 | "fc-addr=%p", |
3adcb386 FD |
1405 | msg_it, msg_it->meta.sc, |
1406 | msg_it->meta.sc->id, | |
5cd6d0e5 | 1407 | event_common_context_fc); |
3adcb386 | 1408 | status = read_dscope_begin_state(msg_it, event_common_context_fc, |
44c440bc PP |
1409 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, |
1410 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
3adcb386 | 1411 | msg_it->dscopes.event_common_context); |
fdf0e7a0 | 1412 | if (status < 0) { |
2246e99d FD |
1413 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1414 | "Cannot decode event common context field: " | |
3adcb386 | 1415 | "msg-it-addr=%p, stream-class-addr=%p, " |
5cd6d0e5 | 1416 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1417 | msg_it, msg_it->meta.sc, |
1418 | msg_it->meta.sc->id, | |
5cd6d0e5 | 1419 | event_common_context_fc); |
fdf0e7a0 | 1420 | } |
e98a2d6e PP |
1421 | |
1422 | end: | |
e98a2d6e PP |
1423 | return status; |
1424 | } | |
1425 | ||
1426 | static | |
18a1979b SM |
1427 | enum ctf_msg_iter_status read_event_common_context_continue_state( |
1428 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1429 | { |
3adcb386 | 1430 | return read_dscope_continue_state(msg_it, |
44c440bc | 1431 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN); |
e98a2d6e PP |
1432 | } |
1433 | ||
1434 | static | |
18a1979b SM |
1435 | enum ctf_msg_iter_status read_event_spec_context_begin_state( |
1436 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1437 | { |
18a1979b | 1438 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1439 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1440 | struct ctf_field_class *event_spec_context_fc; |
e98a2d6e | 1441 | |
3adcb386 | 1442 | event_spec_context_fc = msg_it->meta.ec->spec_context_fc; |
5cd6d0e5 | 1443 | if (!event_spec_context_fc) { |
3adcb386 | 1444 | msg_it->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1445 | goto end; |
1446 | } | |
fdf0e7a0 | 1447 | |
3adcb386 FD |
1448 | if (event_spec_context_fc->in_ir && !msg_it->dry_run) { |
1449 | BT_ASSERT_DBG(!msg_it->dscopes.event_spec_context); | |
1450 | msg_it->dscopes.event_spec_context = | |
40f4ba76 | 1451 | bt_event_borrow_specific_context_field( |
3adcb386 FD |
1452 | msg_it->event); |
1453 | BT_ASSERT_DBG(msg_it->dscopes.event_spec_context); | |
44c440bc PP |
1454 | } |
1455 | ||
ef267d12 | 1456 | BT_COMP_LOGT("Decoding event specific context field: " |
3adcb386 | 1457 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1458 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
5cd6d0e5 | 1459 | "fc-addr=%p", |
3adcb386 FD |
1460 | msg_it, msg_it->meta.ec, |
1461 | msg_it->meta.ec->name->str, | |
1462 | msg_it->meta.ec->id, | |
5cd6d0e5 | 1463 | event_spec_context_fc); |
3adcb386 | 1464 | status = read_dscope_begin_state(msg_it, event_spec_context_fc, |
e98a2d6e | 1465 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
44c440bc | 1466 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, |
3adcb386 | 1467 | msg_it->dscopes.event_spec_context); |
fdf0e7a0 | 1468 | if (status < 0) { |
2246e99d FD |
1469 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1470 | "Cannot decode event specific context field: " | |
3adcb386 | 1471 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1472 | "event-class-name=\"%s\", " |
5cd6d0e5 | 1473 | "event-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1474 | msg_it, msg_it->meta.ec, |
1475 | msg_it->meta.ec->name->str, | |
1476 | msg_it->meta.ec->id, | |
5cd6d0e5 | 1477 | event_spec_context_fc); |
fdf0e7a0 | 1478 | } |
e98a2d6e PP |
1479 | |
1480 | end: | |
e98a2d6e PP |
1481 | return status; |
1482 | } | |
1483 | ||
1484 | static | |
18a1979b SM |
1485 | enum ctf_msg_iter_status read_event_spec_context_continue_state( |
1486 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1487 | { |
3adcb386 | 1488 | return read_dscope_continue_state(msg_it, |
e98a2d6e PP |
1489 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); |
1490 | } | |
1491 | ||
1492 | static | |
18a1979b SM |
1493 | enum ctf_msg_iter_status read_event_payload_begin_state( |
1494 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1495 | { |
18a1979b | 1496 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1497 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1498 | struct ctf_field_class *event_payload_fc; |
e98a2d6e | 1499 | |
3adcb386 | 1500 | event_payload_fc = msg_it->meta.ec->payload_fc; |
5cd6d0e5 | 1501 | if (!event_payload_fc) { |
3adcb386 | 1502 | msg_it->state = STATE_EMIT_MSG_EVENT; |
e98a2d6e PP |
1503 | goto end; |
1504 | } | |
1505 | ||
3adcb386 FD |
1506 | if (event_payload_fc->in_ir && !msg_it->dry_run) { |
1507 | BT_ASSERT_DBG(!msg_it->dscopes.event_payload); | |
1508 | msg_it->dscopes.event_payload = | |
40f4ba76 | 1509 | bt_event_borrow_payload_field( |
3adcb386 FD |
1510 | msg_it->event); |
1511 | BT_ASSERT_DBG(msg_it->dscopes.event_payload); | |
44c440bc PP |
1512 | } |
1513 | ||
ef267d12 | 1514 | BT_COMP_LOGT("Decoding event payload field: " |
3adcb386 | 1515 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1516 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
5cd6d0e5 | 1517 | "fc-addr=%p", |
3adcb386 FD |
1518 | msg_it, msg_it->meta.ec, |
1519 | msg_it->meta.ec->name->str, | |
1520 | msg_it->meta.ec->id, | |
5cd6d0e5 | 1521 | event_payload_fc); |
3adcb386 | 1522 | status = read_dscope_begin_state(msg_it, event_payload_fc, |
d6e69534 | 1523 | STATE_EMIT_MSG_EVENT, |
e98a2d6e | 1524 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, |
3adcb386 | 1525 | msg_it->dscopes.event_payload); |
fdf0e7a0 | 1526 | if (status < 0) { |
2246e99d FD |
1527 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1528 | "Cannot decode event payload field: " | |
3adcb386 | 1529 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1530 | "event-class-name=\"%s\", " |
5cd6d0e5 | 1531 | "event-class-id=%" PRId64 ", fc-addr=%p", |
3adcb386 FD |
1532 | msg_it, msg_it->meta.ec, |
1533 | msg_it->meta.ec->name->str, | |
1534 | msg_it->meta.ec->id, | |
5cd6d0e5 | 1535 | event_payload_fc); |
fdf0e7a0 | 1536 | } |
e98a2d6e PP |
1537 | |
1538 | end: | |
e98a2d6e PP |
1539 | return status; |
1540 | } | |
1541 | ||
1542 | static | |
18a1979b SM |
1543 | enum ctf_msg_iter_status read_event_payload_continue_state( |
1544 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1545 | { |
3adcb386 | 1546 | return read_dscope_continue_state(msg_it, STATE_EMIT_MSG_EVENT); |
e98a2d6e PP |
1547 | } |
1548 | ||
1549 | static | |
18a1979b | 1550 | enum ctf_msg_iter_status skip_packet_padding_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1551 | { |
18a1979b | 1552 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 1553 | size_t bits_to_skip; |
44269abb | 1554 | const enum state next_state = STATE_SWITCH_PACKET; |
e98a2d6e | 1555 | |
3adcb386 FD |
1556 | BT_ASSERT(msg_it->cur_exp_packet_total_size > 0); |
1557 | bits_to_skip = msg_it->cur_exp_packet_total_size - packet_at(msg_it); | |
e98a2d6e | 1558 | if (bits_to_skip == 0) { |
3adcb386 | 1559 | msg_it->state = next_state; |
e98a2d6e PP |
1560 | goto end; |
1561 | } else { | |
1562 | size_t bits_to_consume; | |
fdf0e7a0 | 1563 | |
3adcb386 FD |
1564 | BT_COMP_LOGD("Trying to skip %zu bits of padding: msg-it-addr=%p, size=%zu", |
1565 | bits_to_skip, msg_it, bits_to_skip); | |
1566 | status = buf_ensure_available_bits(msg_it); | |
18a1979b | 1567 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1568 | goto end; |
1569 | } | |
1570 | ||
3adcb386 FD |
1571 | bits_to_consume = MIN(buf_available_bits(msg_it), bits_to_skip); |
1572 | BT_COMP_LOGD("Skipping %zu bits of padding: msg-it-addr=%p, size=%zu", | |
1573 | bits_to_consume, msg_it, bits_to_consume); | |
1574 | buf_consume_bits(msg_it, bits_to_consume); | |
1575 | bits_to_skip = msg_it->cur_exp_packet_total_size - | |
1576 | packet_at(msg_it); | |
e98a2d6e | 1577 | if (bits_to_skip == 0) { |
3adcb386 | 1578 | msg_it->state = next_state; |
e98a2d6e PP |
1579 | goto end; |
1580 | } | |
1581 | } | |
1582 | ||
1583 | end: | |
1584 | return status; | |
1585 | } | |
1586 | ||
495490c5 | 1587 | static |
18a1979b SM |
1588 | enum ctf_msg_iter_status check_emit_msg_discarded_events( |
1589 | struct ctf_msg_iter *msg_it) | |
495490c5 | 1590 | { |
3adcb386 | 1591 | msg_it->state = STATE_EMIT_MSG_DISCARDED_EVENTS; |
495490c5 | 1592 | |
3adcb386 FD |
1593 | if (!msg_it->meta.sc->has_discarded_events) { |
1594 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
afd45274 PP |
1595 | goto end; |
1596 | } | |
1597 | ||
3adcb386 FD |
1598 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { |
1599 | if (msg_it->snapshots.discarded_events == 0 || | |
1600 | msg_it->snapshots.discarded_events == UINT64_C(-1)) { | |
495490c5 PP |
1601 | /* |
1602 | * Stream's first packet with no discarded | |
1603 | * events or no information about discarded | |
1604 | * events: do not emit. | |
1605 | */ | |
3adcb386 | 1606 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
495490c5 PP |
1607 | } |
1608 | } else { | |
1609 | /* | |
1610 | * If the previous packet has a value for this counter, | |
1611 | * then this counter is defined for the whole stream. | |
1612 | */ | |
3adcb386 | 1613 | BT_ASSERT(msg_it->snapshots.discarded_events != UINT64_C(-1)); |
495490c5 | 1614 | |
3adcb386 FD |
1615 | if (msg_it->snapshots.discarded_events - |
1616 | msg_it->prev_packet_snapshots.discarded_events == 0) { | |
495490c5 PP |
1617 | /* |
1618 | * No discarded events since previous packet: do | |
1619 | * not emit. | |
1620 | */ | |
3adcb386 | 1621 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
495490c5 PP |
1622 | } |
1623 | } | |
1624 | ||
afd45274 | 1625 | end: |
18a1979b | 1626 | return CTF_MSG_ITER_STATUS_OK; |
495490c5 PP |
1627 | } |
1628 | ||
1629 | static | |
18a1979b SM |
1630 | enum ctf_msg_iter_status check_emit_msg_discarded_packets( |
1631 | struct ctf_msg_iter *msg_it) | |
495490c5 | 1632 | { |
3adcb386 | 1633 | msg_it->state = STATE_EMIT_MSG_DISCARDED_PACKETS; |
495490c5 | 1634 | |
3adcb386 FD |
1635 | if (!msg_it->meta.sc->has_discarded_packets) { |
1636 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
afd45274 PP |
1637 | goto end; |
1638 | } | |
1639 | ||
3adcb386 | 1640 | if (msg_it->prev_packet_snapshots.packets == UINT64_C(-1)) { |
495490c5 PP |
1641 | /* |
1642 | * Stream's first packet or no information about | |
1643 | * discarded packets: do not emit. In other words, if | |
1644 | * this is the first packet and its sequence number is | |
1645 | * not 0, do not consider that packets were previously | |
1646 | * lost: we might be reading a partial stream (LTTng | |
1647 | * snapshot for example). | |
1648 | */ | |
3adcb386 | 1649 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
495490c5 PP |
1650 | } else { |
1651 | /* | |
1652 | * If the previous packet has a value for this counter, | |
1653 | * then this counter is defined for the whole stream. | |
1654 | */ | |
3adcb386 | 1655 | BT_ASSERT(msg_it->snapshots.packets != UINT64_C(-1)); |
495490c5 | 1656 | |
3adcb386 FD |
1657 | if (msg_it->snapshots.packets - |
1658 | msg_it->prev_packet_snapshots.packets <= 1) { | |
495490c5 PP |
1659 | /* |
1660 | * No discarded packets since previous packet: | |
1661 | * do not emit. | |
1662 | */ | |
3adcb386 | 1663 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
495490c5 PP |
1664 | } |
1665 | } | |
1666 | ||
afd45274 | 1667 | end: |
18a1979b | 1668 | return CTF_MSG_ITER_STATUS_OK; |
495490c5 PP |
1669 | } |
1670 | ||
1cda4ff4 FD |
1671 | static inline |
1672 | enum state check_emit_msg_stream_end(struct ctf_msg_iter *msg_it) | |
1673 | { | |
1674 | enum state next_state; | |
1675 | ||
1676 | if (msg_it->emit_stream_end_message) { | |
1677 | next_state = STATE_EMIT_MSG_STREAM_END; | |
1678 | } else { | |
1679 | next_state = STATE_DONE; | |
1680 | } | |
1681 | ||
1682 | return next_state; | |
1683 | } | |
1684 | ||
e98a2d6e | 1685 | static inline |
18a1979b | 1686 | enum ctf_msg_iter_status handle_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1687 | { |
18a1979b | 1688 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 1689 | const enum state state = msg_it->state; |
e98a2d6e | 1690 | |
3adcb386 FD |
1691 | BT_COMP_LOGT("Handling state: msg-it-addr=%p, state=%s", |
1692 | msg_it, state_string(state)); | |
e98a2d6e PP |
1693 | |
1694 | // TODO: optimalize! | |
fdf0e7a0 | 1695 | switch (state) { |
e98a2d6e | 1696 | case STATE_INIT: |
3adcb386 | 1697 | msg_it->state = STATE_SWITCH_PACKET; |
44269abb PP |
1698 | break; |
1699 | case STATE_SWITCH_PACKET: | |
3adcb386 | 1700 | status = switch_packet_state(msg_it); |
e98a2d6e PP |
1701 | break; |
1702 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
3adcb386 | 1703 | status = read_packet_header_begin_state(msg_it); |
e98a2d6e PP |
1704 | break; |
1705 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3adcb386 | 1706 | status = read_packet_header_continue_state(msg_it); |
e98a2d6e PP |
1707 | break; |
1708 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3adcb386 | 1709 | status = after_packet_header_state(msg_it); |
e98a2d6e PP |
1710 | break; |
1711 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3adcb386 | 1712 | status = read_packet_context_begin_state(msg_it); |
e98a2d6e PP |
1713 | break; |
1714 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3adcb386 | 1715 | status = read_packet_context_continue_state(msg_it); |
e98a2d6e PP |
1716 | break; |
1717 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
3adcb386 | 1718 | status = after_packet_context_state(msg_it); |
e98a2d6e | 1719 | break; |
fc917f65 | 1720 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
3adcb386 | 1721 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
495490c5 PP |
1722 | break; |
1723 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: | |
3adcb386 | 1724 | status = check_emit_msg_discarded_events(msg_it); |
495490c5 PP |
1725 | break; |
1726 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
3adcb386 | 1727 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
495490c5 PP |
1728 | break; |
1729 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
3adcb386 | 1730 | status = check_emit_msg_discarded_packets(msg_it); |
495490c5 PP |
1731 | break; |
1732 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
3adcb386 | 1733 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
f42867e2 | 1734 | break; |
fc917f65 | 1735 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
3adcb386 | 1736 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1737 | break; |
44c440bc | 1738 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
3adcb386 | 1739 | status = read_event_header_begin_state(msg_it); |
e98a2d6e | 1740 | break; |
44c440bc | 1741 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
3adcb386 | 1742 | status = read_event_header_continue_state(msg_it); |
e98a2d6e | 1743 | break; |
44c440bc | 1744 | case STATE_AFTER_EVENT_HEADER: |
3adcb386 | 1745 | status = after_event_header_state(msg_it); |
e98a2d6e | 1746 | break; |
44c440bc | 1747 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
3adcb386 | 1748 | status = read_event_common_context_begin_state(msg_it); |
e98a2d6e | 1749 | break; |
44c440bc | 1750 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
3adcb386 | 1751 | status = read_event_common_context_continue_state(msg_it); |
e98a2d6e | 1752 | break; |
44c440bc | 1753 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
3adcb386 | 1754 | status = read_event_spec_context_begin_state(msg_it); |
e98a2d6e | 1755 | break; |
44c440bc | 1756 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
3adcb386 | 1757 | status = read_event_spec_context_continue_state(msg_it); |
e98a2d6e PP |
1758 | break; |
1759 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
3adcb386 | 1760 | status = read_event_payload_begin_state(msg_it); |
e98a2d6e PP |
1761 | break; |
1762 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
3adcb386 | 1763 | status = read_event_payload_continue_state(msg_it); |
e98a2d6e | 1764 | break; |
d6e69534 | 1765 | case STATE_EMIT_MSG_EVENT: |
3adcb386 | 1766 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1767 | break; |
1eb28907 | 1768 | case STATE_EMIT_QUEUED_MSG_EVENT: |
3adcb386 | 1769 | msg_it->state = STATE_EMIT_MSG_EVENT; |
1eb28907 | 1770 | break; |
e98a2d6e | 1771 | case STATE_SKIP_PACKET_PADDING: |
3adcb386 | 1772 | status = skip_packet_padding_state(msg_it); |
e98a2d6e | 1773 | break; |
fc917f65 | 1774 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
3adcb386 | 1775 | msg_it->state = STATE_SKIP_PACKET_PADDING; |
e98a2d6e | 1776 | break; |
fc917f65 | 1777 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
ed4ddc26 | 1778 | msg_it->state = STATE_EMIT_MSG_STREAM_END; |
fc917f65 | 1779 | break; |
1eb28907 | 1780 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
3adcb386 | 1781 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
1eb28907 | 1782 | break; |
1cda4ff4 FD |
1783 | case STATE_CHECK_EMIT_MSG_STREAM_END: |
1784 | msg_it->state = check_emit_msg_stream_end(msg_it); | |
1785 | break; | |
fc917f65 | 1786 | case STATE_EMIT_MSG_STREAM_END: |
3adcb386 | 1787 | msg_it->state = STATE_DONE; |
fc917f65 PP |
1788 | break; |
1789 | case STATE_DONE: | |
1790 | break; | |
fdf0e7a0 | 1791 | default: |
eb7f6c4f | 1792 | BT_COMP_LOGF("Unknown CTF plugin message iterator state: " |
3adcb386 | 1793 | "msg-it-addr=%p, state=%d", msg_it, msg_it->state); |
498e7994 | 1794 | bt_common_abort(); |
e98a2d6e PP |
1795 | } |
1796 | ||
3adcb386 | 1797 | BT_COMP_LOGT("Handled state: msg-it-addr=%p, status=%s, " |
fdf0e7a0 | 1798 | "prev-state=%s, cur-state=%s", |
18a1979b | 1799 | msg_it, ctf_msg_iter_status_string(status), |
3adcb386 | 1800 | state_string(state), state_string(msg_it->state)); |
e98a2d6e PP |
1801 | return status; |
1802 | } | |
1803 | ||
f42867e2 | 1804 | BT_HIDDEN |
18a1979b | 1805 | void ctf_msg_iter_reset_for_next_stream_file(struct ctf_msg_iter *msg_it) |
3adcb386 FD |
1806 | { |
1807 | BT_ASSERT(msg_it); | |
1808 | BT_COMP_LOGD("Resetting message iterator: addr=%p", msg_it); | |
1809 | stack_clear(msg_it->stack); | |
1810 | msg_it->meta.sc = NULL; | |
1811 | msg_it->meta.ec = NULL; | |
1812 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
1813 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
1814 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
1815 | release_all_dscopes(msg_it); | |
1816 | msg_it->cur_dscope_field = NULL; | |
1817 | ||
3adcb386 FD |
1818 | msg_it->buf.addr = NULL; |
1819 | msg_it->buf.sz = 0; | |
1820 | msg_it->buf.at = 0; | |
1821 | msg_it->buf.last_eh_at = SIZE_MAX; | |
1822 | msg_it->buf.packet_offset = 0; | |
1823 | msg_it->state = STATE_INIT; | |
1824 | msg_it->cur_exp_packet_content_size = -1; | |
1825 | msg_it->cur_exp_packet_total_size = -1; | |
1826 | msg_it->cur_packet_offset = -1; | |
1827 | msg_it->cur_event_class_id = -1; | |
1828 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
1829 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
495490c5 PP |
1830 | } |
1831 | ||
1832 | /** | |
1833 | * Resets the internal state of a CTF message iterator. | |
1834 | */ | |
1835 | BT_HIDDEN | |
18a1979b | 1836 | void ctf_msg_iter_reset(struct ctf_msg_iter *msg_it) |
495490c5 | 1837 | { |
18a1979b | 1838 | ctf_msg_iter_reset_for_next_stream_file(msg_it); |
3adcb386 FD |
1839 | msg_it->cur_stream_class_id = -1; |
1840 | msg_it->cur_data_stream_id = -1; | |
1841 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
1842 | msg_it->snapshots.packets = UINT64_C(-1); | |
1843 | msg_it->prev_packet_snapshots.discarded_events = UINT64_C(-1); | |
1844 | msg_it->prev_packet_snapshots.packets = UINT64_C(-1); | |
1845 | msg_it->prev_packet_snapshots.beginning_clock = UINT64_C(-1); | |
1846 | msg_it->prev_packet_snapshots.end_clock = UINT64_C(-1); | |
bc0ae364 | 1847 | msg_it->emit_stream_beginning_message = true; |
1cda4ff4 | 1848 | msg_it->emit_stream_end_message = false; |
e98a2d6e PP |
1849 | } |
1850 | ||
1851 | static | |
18a1979b | 1852 | bt_field *borrow_next_field(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1853 | { |
b19ff26f PP |
1854 | bt_field *next_field = NULL; |
1855 | bt_field *base_field; | |
1856 | const bt_field_class *base_fc; | |
ebdb6693 | 1857 | bt_field_class_type base_fc_type; |
e98a2d6e PP |
1858 | size_t index; |
1859 | ||
3adcb386 FD |
1860 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
1861 | index = stack_top(msg_it->stack)->index; | |
1862 | base_field = stack_top(msg_it->stack)->base; | |
98b15851 | 1863 | BT_ASSERT_DBG(base_field); |
40f4ba76 | 1864 | base_fc = bt_field_borrow_class_const(base_field); |
98b15851 | 1865 | BT_ASSERT_DBG(base_fc); |
ebdb6693 | 1866 | base_fc_type = bt_field_class_get_type(base_fc); |
e98a2d6e | 1867 | |
ebdb6693 | 1868 | if (base_fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) { |
98b15851 | 1869 | BT_ASSERT_DBG(index < |
5cd6d0e5 | 1870 | bt_field_class_structure_get_member_count( |
40f4ba76 PP |
1871 | bt_field_borrow_class_const( |
1872 | base_field))); | |
e5be10ef | 1873 | next_field = |
40f4ba76 | 1874 | bt_field_structure_borrow_member_field_by_index( |
e5be10ef | 1875 | base_field, index); |
ebdb6693 PP |
1876 | } else if (bt_field_class_type_is(base_fc_type, |
1877 | BT_FIELD_CLASS_TYPE_ARRAY)) { | |
98b15851 | 1878 | BT_ASSERT_DBG(index < bt_field_array_get_length(base_field)); |
40f4ba76 | 1879 | next_field = bt_field_array_borrow_element_field_by_index( |
44c440bc | 1880 | base_field, index); |
ebdb6693 PP |
1881 | } else if (bt_field_class_type_is(base_fc_type, |
1882 | BT_FIELD_CLASS_TYPE_VARIANT)) { | |
98b15851 | 1883 | BT_ASSERT_DBG(index == 0); |
40f4ba76 | 1884 | next_field = bt_field_variant_borrow_selected_option_field( |
44c440bc | 1885 | base_field); |
ebdb6693 | 1886 | } else { |
498e7994 | 1887 | bt_common_abort(); |
e98a2d6e PP |
1888 | } |
1889 | ||
98b15851 | 1890 | BT_ASSERT_DBG(next_field); |
e98a2d6e PP |
1891 | return next_field; |
1892 | } | |
1893 | ||
c44c3e70 | 1894 | static |
18a1979b | 1895 | void update_default_clock(struct ctf_msg_iter *msg_it, uint64_t new_val, |
44c440bc | 1896 | uint64_t new_val_size) |
c44c3e70 | 1897 | { |
44c440bc | 1898 | uint64_t new_val_mask; |
c44c3e70 | 1899 | uint64_t cur_value_masked; |
c44c3e70 | 1900 | |
98b15851 | 1901 | BT_ASSERT_DBG(new_val_size > 0); |
c44c3e70 JG |
1902 | |
1903 | /* | |
1904 | * Special case for a 64-bit new value, which is the limit | |
1905 | * of a clock value as of this version: overwrite the | |
1906 | * current value directly. | |
1907 | */ | |
44c440bc | 1908 | if (new_val_size == 64) { |
3adcb386 | 1909 | msg_it->default_clock_snapshot = new_val; |
c44c3e70 JG |
1910 | goto end; |
1911 | } | |
1912 | ||
44c440bc | 1913 | new_val_mask = (1ULL << new_val_size) - 1; |
3adcb386 | 1914 | cur_value_masked = msg_it->default_clock_snapshot & new_val_mask; |
c44c3e70 | 1915 | |
44c440bc | 1916 | if (new_val < cur_value_masked) { |
c44c3e70 JG |
1917 | /* |
1918 | * It looks like a wrap happened on the number of bits | |
1919 | * of the requested new value. Assume that the clock | |
1920 | * value wrapped only one time. | |
1921 | */ | |
3adcb386 | 1922 | msg_it->default_clock_snapshot += new_val_mask + 1; |
c44c3e70 JG |
1923 | } |
1924 | ||
1925 | /* Clear the low bits of the current clock value. */ | |
3adcb386 | 1926 | msg_it->default_clock_snapshot &= ~new_val_mask; |
c44c3e70 JG |
1927 | |
1928 | /* Set the low bits of the current clock value. */ | |
3adcb386 | 1929 | msg_it->default_clock_snapshot |= new_val; |
d1e46835 | 1930 | |
c44c3e70 | 1931 | end: |
ef267d12 | 1932 | BT_COMP_LOGT("Updated default clock's value from integer field's value: " |
3adcb386 | 1933 | "value=%" PRIu64, msg_it->default_clock_snapshot); |
c44c3e70 JG |
1934 | } |
1935 | ||
1936 | static | |
5cd6d0e5 PP |
1937 | enum bt_bfcr_status bfcr_unsigned_int_cb(uint64_t value, |
1938 | struct ctf_field_class *fc, void *data) | |
c44c3e70 | 1939 | { |
18a1979b | 1940 | struct ctf_msg_iter *msg_it = data; |
3adcb386 | 1941 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 1942 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
2246e99d | 1943 | |
b19ff26f | 1944 | bt_field *field = NULL; |
5cd6d0e5 | 1945 | struct ctf_field_class_int *int_fc = (void *) fc; |
c44c3e70 | 1946 | |
ef267d12 | 1947 | BT_COMP_LOGT("Unsigned integer function called from BFCR: " |
3adcb386 | 1948 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 1949 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
3adcb386 | 1950 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
312c056a | 1951 | |
91d81473 | 1952 | if (G_LIKELY(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE)) { |
44c440bc | 1953 | goto update_def_clock; |
c44c3e70 JG |
1954 | } |
1955 | ||
5cd6d0e5 PP |
1956 | switch (int_fc->meaning) { |
1957 | case CTF_FIELD_CLASS_MEANING_EVENT_CLASS_ID: | |
3adcb386 | 1958 | msg_it->cur_event_class_id = value; |
44c440bc | 1959 | break; |
5cd6d0e5 | 1960 | case CTF_FIELD_CLASS_MEANING_DATA_STREAM_ID: |
3adcb386 | 1961 | msg_it->cur_data_stream_id = value; |
44c440bc | 1962 | break; |
5cd6d0e5 | 1963 | case CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME: |
3adcb386 | 1964 | msg_it->snapshots.beginning_clock = value; |
44c440bc | 1965 | break; |
5cd6d0e5 | 1966 | case CTF_FIELD_CLASS_MEANING_PACKET_END_TIME: |
3adcb386 | 1967 | msg_it->snapshots.end_clock = value; |
44c440bc | 1968 | break; |
5cd6d0e5 | 1969 | case CTF_FIELD_CLASS_MEANING_STREAM_CLASS_ID: |
3adcb386 | 1970 | msg_it->cur_stream_class_id = value; |
44c440bc | 1971 | break; |
5cd6d0e5 | 1972 | case CTF_FIELD_CLASS_MEANING_MAGIC: |
44c440bc | 1973 | if (value != 0xc1fc1fc1) { |
2246e99d | 1974 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
3adcb386 FD |
1975 | "Invalid CTF magic number: msg-it-addr=%p, " |
1976 | "magic=%" PRIx64, msg_it, value); | |
5cd6d0e5 | 1977 | status = BT_BFCR_STATUS_ERROR; |
c44c3e70 JG |
1978 | goto end; |
1979 | } | |
fdf0e7a0 | 1980 | |
44c440bc | 1981 | break; |
5cd6d0e5 | 1982 | case CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT: |
3adcb386 | 1983 | msg_it->snapshots.packets = value; |
44c440bc | 1984 | break; |
5cd6d0e5 | 1985 | case CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT: |
3adcb386 | 1986 | msg_it->snapshots.discarded_events = value; |
44c440bc | 1987 | break; |
5cd6d0e5 | 1988 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_TOTAL_SIZE: |
3adcb386 | 1989 | msg_it->cur_exp_packet_total_size = value; |
44c440bc | 1990 | break; |
5cd6d0e5 | 1991 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_CONTENT_SIZE: |
3adcb386 | 1992 | msg_it->cur_exp_packet_content_size = value; |
44c440bc PP |
1993 | break; |
1994 | default: | |
498e7994 | 1995 | bt_common_abort(); |
c44c3e70 JG |
1996 | } |
1997 | ||
44c440bc | 1998 | update_def_clock: |
91d81473 | 1999 | if (G_UNLIKELY(int_fc->mapped_clock_class)) { |
3adcb386 | 2000 | update_default_clock(msg_it, value, int_fc->base.size); |
44c440bc | 2001 | } |
c44c3e70 | 2002 | |
91d81473 | 2003 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
3adcb386 | 2004 | g_array_index(msg_it->stored_values, uint64_t, |
5cd6d0e5 | 2005 | (uint64_t) int_fc->storing_index) = value; |
44c440bc | 2006 | } |
e98a2d6e | 2007 | |
3adcb386 | 2008 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
312c056a | 2009 | goto end; |
e98a2d6e PP |
2010 | } |
2011 | ||
3adcb386 | 2012 | field = borrow_next_field(msg_it); |
98b15851 PP |
2013 | BT_ASSERT_DBG(field); |
2014 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2015 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
ebdb6693 | 2016 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER)); |
9c08c816 | 2017 | bt_field_integer_unsigned_set_value(field, value); |
3adcb386 | 2018 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2019 | |
312c056a | 2020 | end: |
e98a2d6e PP |
2021 | return status; |
2022 | } | |
2023 | ||
5f870343 | 2024 | static |
5cd6d0e5 PP |
2025 | enum bt_bfcr_status bfcr_unsigned_int_char_cb(uint64_t value, |
2026 | struct ctf_field_class *fc, void *data) | |
5f870343 | 2027 | { |
44c440bc | 2028 | int ret; |
18a1979b | 2029 | struct ctf_msg_iter *msg_it = data; |
3adcb386 | 2030 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 2031 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2032 | bt_field *string_field = NULL; |
5cd6d0e5 | 2033 | struct ctf_field_class_int *int_fc = (void *) fc; |
44c440bc | 2034 | char str[2] = {'\0', '\0'}; |
5f870343 | 2035 | |
ef267d12 | 2036 | BT_COMP_LOGT("Unsigned integer character function called from BFCR: " |
3adcb386 | 2037 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2038 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
3adcb386 | 2039 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
98b15851 PP |
2040 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
2041 | BT_ASSERT_DBG(!int_fc->mapped_clock_class); | |
2042 | BT_ASSERT_DBG(int_fc->storing_index < 0); | |
312c056a | 2043 | |
3adcb386 | 2044 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
44c440bc PP |
2045 | goto end; |
2046 | } | |
5f870343 | 2047 | |
3adcb386 | 2048 | if (msg_it->done_filling_string) { |
5f870343 JG |
2049 | goto end; |
2050 | } | |
2051 | ||
44c440bc | 2052 | if (value == 0) { |
3adcb386 | 2053 | msg_it->done_filling_string = true; |
5f870343 JG |
2054 | goto end; |
2055 | } | |
2056 | ||
3adcb386 | 2057 | string_field = stack_top(msg_it->stack)->base; |
98b15851 | 2058 | BT_ASSERT_DBG(bt_field_get_class_type(string_field) == |
ebdb6693 | 2059 | BT_FIELD_CLASS_TYPE_STRING); |
44c440bc PP |
2060 | |
2061 | /* Append character */ | |
2062 | str[0] = (char) value; | |
40f4ba76 | 2063 | ret = bt_field_string_append_with_length(string_field, str, 1); |
44c440bc | 2064 | if (ret) { |
2246e99d FD |
2065 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2066 | "Cannot append character to string field's value: " | |
3adcb386 FD |
2067 | "msg-it-addr=%p, field-addr=%p, ret=%d", |
2068 | msg_it, string_field, ret); | |
5cd6d0e5 | 2069 | status = BT_BFCR_STATUS_ERROR; |
44c440bc PP |
2070 | goto end; |
2071 | } | |
312c056a | 2072 | |
5f870343 JG |
2073 | end: |
2074 | return status; | |
2075 | } | |
2076 | ||
2077 | static | |
5cd6d0e5 PP |
2078 | enum bt_bfcr_status bfcr_signed_int_cb(int64_t value, |
2079 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2080 | { |
5cd6d0e5 | 2081 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2082 | bt_field *field = NULL; |
18a1979b | 2083 | struct ctf_msg_iter *msg_it = data; |
5cd6d0e5 | 2084 | struct ctf_field_class_int *int_fc = (void *) fc; |
e98a2d6e | 2085 | |
ef267d12 | 2086 | BT_COMP_LOGT("Signed integer function called from BFCR: " |
3adcb386 | 2087 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2088 | "fc-type=%d, fc-in-ir=%d, value=%" PRId64, |
3adcb386 | 2089 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
98b15851 | 2090 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
44c440bc | 2091 | |
91d81473 | 2092 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
3adcb386 | 2093 | g_array_index(msg_it->stored_values, uint64_t, |
5cd6d0e5 | 2094 | (uint64_t) int_fc->storing_index) = (uint64_t) value; |
44c440bc PP |
2095 | } |
2096 | ||
3adcb386 | 2097 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
312c056a | 2098 | goto end; |
e98a2d6e PP |
2099 | } |
2100 | ||
3adcb386 | 2101 | field = borrow_next_field(msg_it); |
98b15851 PP |
2102 | BT_ASSERT_DBG(field); |
2103 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2104 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
ebdb6693 | 2105 | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER)); |
9c08c816 | 2106 | bt_field_integer_signed_set_value(field, value); |
3adcb386 | 2107 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2108 | |
312c056a | 2109 | end: |
e98a2d6e PP |
2110 | return status; |
2111 | } | |
2112 | ||
2113 | static | |
5cd6d0e5 PP |
2114 | enum bt_bfcr_status bfcr_floating_point_cb(double value, |
2115 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2116 | { |
5cd6d0e5 | 2117 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2118 | bt_field *field = NULL; |
18a1979b | 2119 | struct ctf_msg_iter *msg_it = data; |
96741e7f | 2120 | bt_field_class_type type; |
e98a2d6e | 2121 | |
ef267d12 | 2122 | BT_COMP_LOGT("Floating point number function called from BFCR: " |
3adcb386 | 2123 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2124 | "fc-type=%d, fc-in-ir=%d, value=%f", |
3adcb386 | 2125 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
41693723 | 2126 | |
3adcb386 | 2127 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
41693723 PP |
2128 | goto end; |
2129 | } | |
2130 | ||
3adcb386 | 2131 | field = borrow_next_field(msg_it); |
96741e7f | 2132 | type = bt_field_get_class_type(field); |
98b15851 PP |
2133 | BT_ASSERT_DBG(field); |
2134 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2135 | BT_ASSERT_DBG(bt_field_class_type_is(type, BT_FIELD_CLASS_TYPE_REAL)); | |
fe4df857 FD |
2136 | |
2137 | if (type == BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL) { | |
2138 | bt_field_real_single_precision_set_value(field, (float) value); | |
2139 | } else { | |
2140 | bt_field_real_double_precision_set_value(field, value); | |
2141 | } | |
3adcb386 | 2142 | stack_top(msg_it->stack)->index++; |
41693723 PP |
2143 | |
2144 | end: | |
e98a2d6e PP |
2145 | return status; |
2146 | } | |
2147 | ||
2148 | static | |
5cd6d0e5 PP |
2149 | enum bt_bfcr_status bfcr_string_begin_cb( |
2150 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2151 | { |
b19ff26f | 2152 | bt_field *field = NULL; |
18a1979b | 2153 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2154 | |
ef267d12 | 2155 | BT_COMP_LOGT("String (beginning) function called from BFCR: " |
3adcb386 | 2156 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2157 | "fc-type=%d, fc-in-ir=%d", |
3adcb386 | 2158 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2159 | |
3adcb386 | 2160 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
41693723 PP |
2161 | goto end; |
2162 | } | |
2163 | ||
3adcb386 | 2164 | field = borrow_next_field(msg_it); |
98b15851 PP |
2165 | BT_ASSERT_DBG(field); |
2166 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2167 | BT_ASSERT_DBG(bt_field_get_class_type(field) == | |
40f4ba76 | 2168 | BT_FIELD_CLASS_TYPE_STRING); |
d24d5663 | 2169 | bt_field_string_clear(field); |
312c056a | 2170 | |
e98a2d6e | 2171 | /* |
5cd6d0e5 PP |
2172 | * Push on stack. Not a compound class per se, but we know that |
2173 | * only bfcr_string_cb() may be called between this call and a | |
2174 | * subsequent call to bfcr_string_end_cb(). | |
e98a2d6e | 2175 | */ |
3adcb386 | 2176 | stack_push(msg_it->stack, field); |
41693723 PP |
2177 | |
2178 | end: | |
5cd6d0e5 | 2179 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2180 | } |
2181 | ||
2182 | static | |
5cd6d0e5 PP |
2183 | enum bt_bfcr_status bfcr_string_cb(const char *value, |
2184 | size_t len, struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2185 | { |
5cd6d0e5 | 2186 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
b19ff26f | 2187 | bt_field *field = NULL; |
18a1979b | 2188 | struct ctf_msg_iter *msg_it = data; |
3adcb386 | 2189 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
2190 | int ret; |
2191 | ||
ef267d12 | 2192 | BT_COMP_LOGT("String (substring) function called from BFCR: " |
3adcb386 | 2193 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2194 | "fc-type=%d, fc-in-ir=%d, string-length=%zu", |
3adcb386 | 2195 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, |
fdf0e7a0 | 2196 | len); |
41693723 | 2197 | |
3adcb386 | 2198 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
41693723 PP |
2199 | goto end; |
2200 | } | |
2201 | ||
3adcb386 | 2202 | field = stack_top(msg_it->stack)->base; |
98b15851 | 2203 | BT_ASSERT_DBG(field); |
e98a2d6e | 2204 | |
312c056a | 2205 | /* Append current substring */ |
40f4ba76 | 2206 | ret = bt_field_string_append_with_length(field, value, len); |
e98a2d6e | 2207 | if (ret) { |
2246e99d FD |
2208 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2209 | "Cannot append substring to string field's value: " | |
3adcb386 FD |
2210 | "msg-it-addr=%p, field-addr=%p, string-length=%zu, " |
2211 | "ret=%d", msg_it, field, len, ret); | |
5cd6d0e5 | 2212 | status = BT_BFCR_STATUS_ERROR; |
e98a2d6e PP |
2213 | goto end; |
2214 | } | |
2215 | ||
2216 | end: | |
2217 | return status; | |
2218 | } | |
2219 | ||
2220 | static | |
5cd6d0e5 PP |
2221 | enum bt_bfcr_status bfcr_string_end_cb( |
2222 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2223 | { |
18a1979b | 2224 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2225 | |
ef267d12 | 2226 | BT_COMP_LOGT("String (end) function called from BFCR: " |
3adcb386 | 2227 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2228 | "fc-type=%d, fc-in-ir=%d", |
3adcb386 | 2229 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
41693723 | 2230 | |
3adcb386 | 2231 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
41693723 PP |
2232 | goto end; |
2233 | } | |
fdf0e7a0 | 2234 | |
e98a2d6e | 2235 | /* Pop string field */ |
3adcb386 | 2236 | stack_pop(msg_it->stack); |
e98a2d6e PP |
2237 | |
2238 | /* Go to next field */ | |
3adcb386 | 2239 | stack_top(msg_it->stack)->index++; |
41693723 PP |
2240 | |
2241 | end: | |
5cd6d0e5 | 2242 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2243 | } |
2244 | ||
7c7301d5 | 2245 | static |
5cd6d0e5 PP |
2246 | enum bt_bfcr_status bfcr_compound_begin_cb( |
2247 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2248 | { |
18a1979b | 2249 | struct ctf_msg_iter *msg_it = data; |
b19ff26f | 2250 | bt_field *field; |
e98a2d6e | 2251 | |
ef267d12 | 2252 | BT_COMP_LOGT("Compound (beginning) function called from BFCR: " |
3adcb386 | 2253 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2254 | "fc-type=%d, fc-in-ir=%d", |
3adcb386 | 2255 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
44c440bc | 2256 | |
3adcb386 | 2257 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
44c440bc PP |
2258 | goto end; |
2259 | } | |
fdf0e7a0 | 2260 | |
312c056a | 2261 | /* Borrow field */ |
3adcb386 | 2262 | if (stack_empty(msg_it->stack)) { |
312c056a | 2263 | /* Root: already set by read_dscope_begin_state() */ |
3adcb386 | 2264 | field = msg_it->cur_dscope_field; |
e98a2d6e | 2265 | } else { |
3adcb386 | 2266 | field = borrow_next_field(msg_it); |
98b15851 | 2267 | BT_ASSERT_DBG(field); |
e98a2d6e PP |
2268 | } |
2269 | ||
2270 | /* Push field */ | |
98b15851 PP |
2271 | BT_ASSERT_DBG(field); |
2272 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
3adcb386 | 2273 | stack_push(msg_it->stack, field); |
44c440bc PP |
2274 | |
2275 | /* | |
5cd6d0e5 | 2276 | * Change BFCR "unsigned int" callback if it's a text |
44c440bc PP |
2277 | * array/sequence. |
2278 | */ | |
864cad70 PP |
2279 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2280 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
5cd6d0e5 | 2281 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
44c440bc | 2282 | |
5cd6d0e5 | 2283 | if (array_fc->is_text) { |
98b15851 | 2284 | BT_ASSERT_DBG(bt_field_get_class_type(field) == |
40f4ba76 | 2285 | BT_FIELD_CLASS_TYPE_STRING); |
3adcb386 | 2286 | msg_it->done_filling_string = false; |
d24d5663 | 2287 | bt_field_string_clear(field); |
3adcb386 | 2288 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
5cd6d0e5 | 2289 | bfcr_unsigned_int_char_cb); |
44c440bc | 2290 | } |
e98a2d6e PP |
2291 | } |
2292 | ||
2293 | end: | |
5cd6d0e5 | 2294 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2295 | } |
2296 | ||
7c7301d5 | 2297 | static |
5cd6d0e5 PP |
2298 | enum bt_bfcr_status bfcr_compound_end_cb( |
2299 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2300 | { |
18a1979b | 2301 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2302 | |
ef267d12 | 2303 | BT_COMP_LOGT("Compound (end) function called from BFCR: " |
3adcb386 | 2304 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
864cad70 | 2305 | "fc-type=%d, fc-in-ir=%d", |
3adcb386 | 2306 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2307 | |
3adcb386 | 2308 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e98a2d6e PP |
2309 | goto end; |
2310 | } | |
2311 | ||
3adcb386 FD |
2312 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
2313 | BT_ASSERT_DBG(bt_field_borrow_class_const(stack_top(msg_it->stack)->base) == | |
5cd6d0e5 | 2314 | fc->ir_fc); |
e98a2d6e | 2315 | |
44c440bc | 2316 | /* |
5cd6d0e5 | 2317 | * Reset BFCR "unsigned int" callback if it's a text |
44c440bc PP |
2318 | * array/sequence. |
2319 | */ | |
864cad70 PP |
2320 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2321 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
5cd6d0e5 | 2322 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
44c440bc | 2323 | |
5cd6d0e5 | 2324 | if (array_fc->is_text) { |
98b15851 | 2325 | BT_ASSERT_DBG(bt_field_get_class_type( |
3adcb386 | 2326 | stack_top(msg_it->stack)->base) == |
e5be10ef | 2327 | BT_FIELD_CLASS_TYPE_STRING); |
3adcb386 | 2328 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
5cd6d0e5 | 2329 | bfcr_unsigned_int_cb); |
e98a2d6e | 2330 | } |
44c440bc | 2331 | } |
e98a2d6e | 2332 | |
44c440bc | 2333 | /* Pop stack */ |
3adcb386 | 2334 | stack_pop(msg_it->stack); |
e98a2d6e | 2335 | |
44c440bc | 2336 | /* If the stack is not empty, increment the base's index */ |
3adcb386 FD |
2337 | if (!stack_empty(msg_it->stack)) { |
2338 | stack_top(msg_it->stack)->index++; | |
e98a2d6e PP |
2339 | } |
2340 | ||
2341 | end: | |
5cd6d0e5 | 2342 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2343 | } |
2344 | ||
2345 | static | |
5cd6d0e5 | 2346 | int64_t bfcr_get_sequence_length_cb(struct ctf_field_class *fc, void *data) |
e98a2d6e | 2347 | { |
b19ff26f | 2348 | bt_field *seq_field; |
18a1979b | 2349 | struct ctf_msg_iter *msg_it = data; |
3adcb386 | 2350 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 2351 | struct ctf_field_class_sequence *seq_fc = (void *) fc; |
2246e99d | 2352 | int64_t length; |
44c440bc | 2353 | int ret; |
e98a2d6e | 2354 | |
3adcb386 | 2355 | length = (uint64_t) g_array_index(msg_it->stored_values, uint64_t, |
5cd6d0e5 | 2356 | seq_fc->stored_length_index); |
de24a43f | 2357 | |
3adcb386 | 2358 | if (G_UNLIKELY(msg_it->dry_run)){ |
de24a43f FD |
2359 | goto end; |
2360 | } | |
2361 | ||
3adcb386 | 2362 | seq_field = stack_top(msg_it->stack)->base; |
98b15851 | 2363 | BT_ASSERT_DBG(seq_field); |
785a6bba PP |
2364 | |
2365 | /* | |
2366 | * bfcr_get_sequence_length_cb() also gets called back for a | |
2367 | * text sequence, but the destination field is a string field. | |
2368 | * Only set the field's sequence length if the destination field | |
2369 | * is a sequence field. | |
2370 | */ | |
2371 | if (!seq_fc->base.is_text) { | |
98b15851 | 2372 | BT_ASSERT_DBG(bt_field_class_type_is( |
ebdb6693 PP |
2373 | bt_field_get_class_type(seq_field), |
2374 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)); | |
9c08c816 | 2375 | ret = bt_field_array_dynamic_set_length(seq_field, |
785a6bba PP |
2376 | (uint64_t) length); |
2377 | if (ret) { | |
2246e99d FD |
2378 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2379 | "Cannot set dynamic array field's length field: " | |
3adcb386 FD |
2380 | "msg-it-addr=%p, field-addr=%p, " |
2381 | "length=%" PRIu64, msg_it, seq_field, length); | |
2246e99d | 2382 | length = -1; |
785a6bba | 2383 | } |
2cf1d51e | 2384 | } |
fdf0e7a0 | 2385 | |
de24a43f | 2386 | end: |
44c440bc | 2387 | return length; |
e98a2d6e PP |
2388 | } |
2389 | ||
2390 | static | |
5cd6d0e5 PP |
2391 | struct ctf_field_class *bfcr_borrow_variant_selected_field_class_cb( |
2392 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2393 | { |
312c056a | 2394 | int ret; |
44c440bc PP |
2395 | uint64_t i; |
2396 | int64_t option_index = -1; | |
18a1979b | 2397 | struct ctf_msg_iter *msg_it = data; |
5cd6d0e5 PP |
2398 | struct ctf_field_class_variant *var_fc = (void *) fc; |
2399 | struct ctf_named_field_class *selected_option = NULL; | |
3adcb386 | 2400 | bt_self_component *self_comp = msg_it->self_comp; |
5cd6d0e5 | 2401 | struct ctf_field_class *ret_fc = NULL; |
44c440bc PP |
2402 | union { |
2403 | uint64_t u; | |
2404 | int64_t i; | |
2405 | } tag; | |
2406 | ||
2407 | /* Get variant's tag */ | |
3adcb386 | 2408 | tag.u = g_array_index(msg_it->stored_values, uint64_t, |
5cd6d0e5 | 2409 | var_fc->stored_tag_index); |
e98a2d6e PP |
2410 | |
2411 | /* | |
44c440bc | 2412 | * Check each range to find the selected option's index. |
e98a2d6e | 2413 | */ |
5cd6d0e5 PP |
2414 | if (var_fc->tag_fc->base.is_signed) { |
2415 | for (i = 0; i < var_fc->ranges->len; i++) { | |
2416 | struct ctf_field_class_variant_range *range = | |
2417 | ctf_field_class_variant_borrow_range_by_index( | |
2418 | var_fc, i); | |
44c440bc PP |
2419 | |
2420 | if (tag.i >= range->range.lower.i && | |
2421 | tag.i <= range->range.upper.i) { | |
2422 | option_index = (int64_t) range->option_index; | |
2423 | break; | |
2424 | } | |
2425 | } | |
312c056a | 2426 | } else { |
5cd6d0e5 PP |
2427 | for (i = 0; i < var_fc->ranges->len; i++) { |
2428 | struct ctf_field_class_variant_range *range = | |
2429 | ctf_field_class_variant_borrow_range_by_index( | |
2430 | var_fc, i); | |
44c440bc PP |
2431 | |
2432 | if (tag.u >= range->range.lower.u && | |
2433 | tag.u <= range->range.upper.u) { | |
2434 | option_index = (int64_t) range->option_index; | |
2435 | break; | |
2436 | } | |
2437 | } | |
312c056a PP |
2438 | } |
2439 | ||
44c440bc | 2440 | if (option_index < 0) { |
2246e99d FD |
2441 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2442 | "Cannot find variant field class's option: " | |
3adcb386 FD |
2443 | "msg-it-addr=%p, var-fc-addr=%p, u-tag=%" PRIu64 ", " |
2444 | "i-tag=%" PRId64, msg_it, var_fc, tag.u, tag.i); | |
2246e99d | 2445 | ret_fc = NULL; |
e98a2d6e PP |
2446 | goto end; |
2447 | } | |
2448 | ||
5cd6d0e5 PP |
2449 | selected_option = ctf_field_class_variant_borrow_option_by_index( |
2450 | var_fc, (uint64_t) option_index); | |
e98a2d6e | 2451 | |
3adcb386 FD |
2452 | if (selected_option->fc->in_ir && !msg_it->dry_run) { |
2453 | bt_field *var_field = stack_top(msg_it->stack)->base; | |
1556a1af | 2454 | |
7b4311c1 | 2455 | ret = bt_field_variant_select_option_by_index( |
e5be10ef | 2456 | var_field, option_index); |
e22b45d0 | 2457 | if (ret) { |
2246e99d FD |
2458 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2459 | "Cannot select variant field's option field: " | |
3adcb386 FD |
2460 | "msg-it-addr=%p, var-field-addr=%p, " |
2461 | "opt-index=%" PRId64, msg_it, var_field, | |
44c440bc | 2462 | option_index); |
2246e99d | 2463 | ret_fc = NULL; |
1556a1af JG |
2464 | goto end; |
2465 | } | |
af87daef PP |
2466 | } |
2467 | ||
5cd6d0e5 | 2468 | ret_fc = selected_option->fc; |
e22b45d0 | 2469 | |
af87daef | 2470 | end: |
5cd6d0e5 | 2471 | return ret_fc; |
44c440bc PP |
2472 | } |
2473 | ||
f42867e2 | 2474 | static |
18a1979b | 2475 | bt_message *create_msg_stream_beginning(struct ctf_msg_iter *msg_it) |
f42867e2 | 2476 | { |
3adcb386 | 2477 | bt_self_component *self_comp = msg_it->self_comp; |
308adb47 | 2478 | bt_message *msg; |
f42867e2 | 2479 | |
3adcb386 | 2480 | BT_ASSERT(msg_it->stream); |
e5d25da2 SM |
2481 | BT_ASSERT(msg_it->self_msg_iter); |
2482 | msg = bt_message_stream_beginning_create(msg_it->self_msg_iter, | |
3adcb386 | 2483 | msg_it->stream); |
308adb47 | 2484 | if (!msg) { |
2246e99d FD |
2485 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2486 | "Cannot create stream beginning message: " | |
3adcb386 FD |
2487 | "msg-it-addr=%p, stream-addr=%p", |
2488 | msg_it, msg_it->stream); | |
f42867e2 PP |
2489 | } |
2490 | ||
308adb47 | 2491 | return msg; |
f42867e2 PP |
2492 | } |
2493 | ||
fc917f65 | 2494 | static |
18a1979b | 2495 | bt_message *create_msg_stream_end(struct ctf_msg_iter *msg_it) |
f42867e2 | 2496 | { |
3adcb386 | 2497 | bt_self_component *self_comp = msg_it->self_comp; |
308adb47 | 2498 | bt_message *msg; |
f42867e2 | 2499 | |
3adcb386 | 2500 | if (!msg_it->stream) { |
2246e99d FD |
2501 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2502 | "Cannot create stream end message because stream is NULL: " | |
3adcb386 | 2503 | "msg-it-addr=%p", msg_it); |
308adb47 FD |
2504 | msg = NULL; |
2505 | goto end; | |
f42867e2 PP |
2506 | } |
2507 | ||
e5d25da2 SM |
2508 | BT_ASSERT(msg_it->self_msg_iter); |
2509 | msg = bt_message_stream_end_create(msg_it->self_msg_iter, | |
3adcb386 | 2510 | msg_it->stream); |
308adb47 | 2511 | if (!msg) { |
2246e99d FD |
2512 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2513 | "Cannot create stream end message: " | |
3adcb386 FD |
2514 | "msg-it-addr=%p, stream-addr=%p", |
2515 | msg_it, msg_it->stream); | |
f42867e2 | 2516 | } |
fc917f65 | 2517 | |
308adb47 FD |
2518 | end: |
2519 | return msg; | |
f42867e2 PP |
2520 | } |
2521 | ||
78586d8a | 2522 | static |
18a1979b | 2523 | bt_message *create_msg_packet_beginning(struct ctf_msg_iter *msg_it, |
308adb47 | 2524 | bool use_default_cs) |
e98a2d6e | 2525 | { |
3adcb386 | 2526 | bt_self_component *self_comp = msg_it->self_comp; |
308adb47 | 2527 | bt_message *msg; |
3adcb386 | 2528 | const bt_stream_class *sc = msg_it->meta.sc->ir_sc; |
e98a2d6e | 2529 | |
3adcb386 | 2530 | BT_ASSERT(msg_it->packet); |
44c440bc | 2531 | BT_ASSERT(sc); |
e5d25da2 | 2532 | BT_ASSERT(msg_it->self_msg_iter); |
a6d85d2f | 2533 | |
3adcb386 FD |
2534 | if (msg_it->meta.sc->packets_have_ts_begin) { |
2535 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
1eb28907 FD |
2536 | uint64_t raw_cs_value; |
2537 | ||
2538 | /* | |
2539 | * Either use the decoded packet `timestamp_begin` field or the | |
2540 | * current stream's default clock_snapshot. | |
2541 | */ | |
2542 | if (use_default_cs) { | |
3adcb386 | 2543 | raw_cs_value = msg_it->default_clock_snapshot; |
1eb28907 | 2544 | } else { |
3adcb386 | 2545 | raw_cs_value = msg_it->snapshots.beginning_clock; |
1eb28907 FD |
2546 | } |
2547 | ||
a33f7c34 | 2548 | msg = bt_message_packet_beginning_create_with_default_clock_snapshot( |
e5d25da2 | 2549 | msg_it->self_msg_iter, msg_it->packet, |
1eb28907 | 2550 | raw_cs_value); |
a33f7c34 | 2551 | } else { |
e5d25da2 | 2552 | msg = bt_message_packet_beginning_create(msg_it->self_msg_iter, |
3adcb386 | 2553 | msg_it->packet); |
a6d85d2f PP |
2554 | } |
2555 | ||
d6e69534 | 2556 | if (!msg) { |
2246e99d FD |
2557 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2558 | "Cannot create packet beginning message: " | |
3adcb386 FD |
2559 | "msg-it-addr=%p, packet-addr=%p", |
2560 | msg_it, msg_it->packet); | |
e22b45d0 | 2561 | goto end; |
78586d8a | 2562 | } |
312c056a | 2563 | |
e22b45d0 | 2564 | end: |
308adb47 | 2565 | return msg; |
e98a2d6e PP |
2566 | } |
2567 | ||
1eb28907 | 2568 | static |
18a1979b | 2569 | bt_message *emit_delayed_packet_beg_msg(struct ctf_msg_iter *msg_it) |
1eb28907 FD |
2570 | { |
2571 | bool packet_beg_ts_need_fix_up; | |
2572 | ||
3adcb386 | 2573 | msg_it->emit_delayed_packet_beginning_msg = false; |
1eb28907 FD |
2574 | |
2575 | /* | |
2576 | * Only fix the packet's timestamp_begin if it's larger than the first | |
2577 | * event of the packet. If there was no event in the packet, the | |
2578 | * `default_clock_snapshot` field will be either equal or greater than | |
2579 | * `snapshots.beginning_clock` so there is not fix needed. | |
2580 | */ | |
2581 | packet_beg_ts_need_fix_up = | |
3adcb386 | 2582 | msg_it->default_clock_snapshot < msg_it->snapshots.beginning_clock; |
1eb28907 FD |
2583 | |
2584 | /* create_msg_packet_beginning() logs errors */ | |
3adcb386 | 2585 | return create_msg_packet_beginning(msg_it, packet_beg_ts_need_fix_up); |
1eb28907 FD |
2586 | } |
2587 | ||
2588 | ||
78586d8a | 2589 | static |
18a1979b | 2590 | bt_message *create_msg_packet_end(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2591 | { |
d6e69534 | 2592 | bt_message *msg; |
5c2e8153 | 2593 | bool update_default_cs = true; |
3adcb386 | 2594 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2595 | |
3adcb386 | 2596 | if (!msg_it->packet) { |
308adb47 FD |
2597 | msg = NULL; |
2598 | goto end; | |
e98a2d6e PP |
2599 | } |
2600 | ||
1eb28907 FD |
2601 | /* |
2602 | * Check if we need to emit the delayed packet | |
2603 | * beginning message instead of the packet end message. | |
2604 | */ | |
3adcb386 FD |
2605 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2606 | msg = emit_delayed_packet_beg_msg(msg_it); | |
1eb28907 | 2607 | /* Don't forget to emit the packet end message. */ |
3adcb386 | 2608 | msg_it->state = STATE_EMIT_QUEUED_MSG_PACKET_END; |
308adb47 | 2609 | goto end; |
1eb28907 FD |
2610 | } |
2611 | ||
5c2e8153 | 2612 | /* Check if may be affected by lttng-crash timestamp_end quirk. */ |
3adcb386 | 2613 | if (G_UNLIKELY(msg_it->meta.tc->quirks.lttng_crash)) { |
5c2e8153 FD |
2614 | /* |
2615 | * Check if the `timestamp_begin` field is non-zero but | |
2616 | * `timestamp_end` is zero. It means the trace is affected by | |
2617 | * the lttng-crash packet `timestamp_end` quirk and must be | |
2618 | * fixed up by omitting to update the default clock snapshot to | |
2619 | * the `timestamp_end` as is typically done. | |
2620 | */ | |
3adcb386 FD |
2621 | if (msg_it->snapshots.beginning_clock != 0 && |
2622 | msg_it->snapshots.end_clock == 0) { | |
5c2e8153 FD |
2623 | update_default_cs = false; |
2624 | } | |
2625 | } | |
2626 | ||
7d1ac606 FD |
2627 | /* |
2628 | * Check if may be affected by lttng event-after-packet `timestamp_end` | |
2629 | * quirk. | |
2630 | */ | |
3adcb386 | 2631 | if (msg_it->meta.tc->quirks.lttng_event_after_packet) { |
7d1ac606 FD |
2632 | /* |
2633 | * Check if `timestamp_end` is smaller then the current | |
2634 | * default_clock_snapshot (which is set to the last event | |
2635 | * decoded). It means the trace is affected by the lttng | |
2636 | * `event-after-packet` packet `timestamp_end` quirk and must | |
2637 | * be fixed up by omitting to update the default clock snapshot | |
2638 | * to the `timestamp_end` as is typically done. | |
2639 | */ | |
3adcb386 | 2640 | if (msg_it->snapshots.end_clock < msg_it->default_clock_snapshot) { |
7d1ac606 FD |
2641 | update_default_cs = false; |
2642 | } | |
2643 | } | |
2644 | ||
5c2e8153 | 2645 | /* Update default clock from packet's end time. */ |
3adcb386 FD |
2646 | if (msg_it->snapshots.end_clock != UINT64_C(-1) && update_default_cs) { |
2647 | msg_it->default_clock_snapshot = msg_it->snapshots.end_clock; | |
44c440bc PP |
2648 | } |
2649 | ||
e5d25da2 | 2650 | BT_ASSERT(msg_it->self_msg_iter); |
a6d85d2f | 2651 | |
3adcb386 FD |
2652 | if (msg_it->meta.sc->packets_have_ts_end) { |
2653 | BT_ASSERT(msg_it->snapshots.end_clock != UINT64_C(-1)); | |
a6d85d2f | 2654 | msg = bt_message_packet_end_create_with_default_clock_snapshot( |
e5d25da2 | 2655 | msg_it->self_msg_iter, msg_it->packet, |
3adcb386 | 2656 | msg_it->default_clock_snapshot); |
a33f7c34 | 2657 | } else { |
e5d25da2 | 2658 | msg = bt_message_packet_end_create(msg_it->self_msg_iter, |
3adcb386 | 2659 | msg_it->packet); |
a6d85d2f PP |
2660 | } |
2661 | ||
d6e69534 | 2662 | if (!msg) { |
2246e99d FD |
2663 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2664 | "Cannot create packet end message: " | |
3adcb386 FD |
2665 | "msg-it-addr=%p, packet-addr=%p", |
2666 | msg_it, msg_it->packet); | |
308adb47 | 2667 | goto end; |
ccf82993 | 2668 | |
78586d8a | 2669 | } |
e98a2d6e | 2670 | |
3adcb386 | 2671 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
308adb47 FD |
2672 | |
2673 | end: | |
2674 | return msg; | |
e98a2d6e PP |
2675 | } |
2676 | ||
495490c5 | 2677 | static |
18a1979b | 2678 | bt_message *create_msg_discarded_events(struct ctf_msg_iter *msg_it) |
495490c5 PP |
2679 | { |
2680 | bt_message *msg; | |
3adcb386 | 2681 | bt_self_component *self_comp = msg_it->self_comp; |
495490c5 PP |
2682 | uint64_t beginning_raw_value = UINT64_C(-1); |
2683 | uint64_t end_raw_value = UINT64_C(-1); | |
495490c5 | 2684 | |
e5d25da2 | 2685 | BT_ASSERT(msg_it->self_msg_iter); |
3adcb386 FD |
2686 | BT_ASSERT(msg_it->stream); |
2687 | BT_ASSERT(msg_it->meta.sc->has_discarded_events); | |
495490c5 | 2688 | |
3adcb386 FD |
2689 | if (msg_it->meta.sc->discarded_events_have_default_cs) { |
2690 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { | |
afd45274 PP |
2691 | /* |
2692 | * We discarded events, but before (and possibly | |
2693 | * including) the current packet: use this packet's time | |
2694 | * range, and do not have a specific count. | |
2695 | */ | |
3adcb386 FD |
2696 | beginning_raw_value = msg_it->snapshots.beginning_clock; |
2697 | end_raw_value = msg_it->snapshots.end_clock; | |
afd45274 | 2698 | } else { |
3adcb386 FD |
2699 | beginning_raw_value = msg_it->prev_packet_snapshots.end_clock; |
2700 | end_raw_value = msg_it->snapshots.end_clock; | |
afd45274 | 2701 | } |
495490c5 | 2702 | |
afd45274 PP |
2703 | BT_ASSERT(beginning_raw_value != UINT64_C(-1)); |
2704 | BT_ASSERT(end_raw_value != UINT64_C(-1)); | |
495490c5 | 2705 | msg = bt_message_discarded_events_create_with_default_clock_snapshots( |
e5d25da2 | 2706 | msg_it->self_msg_iter, msg_it->stream, beginning_raw_value, |
495490c5 PP |
2707 | end_raw_value); |
2708 | } else { | |
e5d25da2 | 2709 | msg = bt_message_discarded_events_create(msg_it->self_msg_iter, |
3adcb386 | 2710 | msg_it->stream); |
495490c5 PP |
2711 | } |
2712 | ||
2713 | if (!msg) { | |
2246e99d FD |
2714 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2715 | "Cannot create discarded events message: " | |
3adcb386 FD |
2716 | "msg-it-addr=%p, stream-addr=%p", |
2717 | msg_it, msg_it->stream); | |
308adb47 | 2718 | goto end; |
495490c5 PP |
2719 | } |
2720 | ||
3adcb386 | 2721 | if (msg_it->prev_packet_snapshots.discarded_events != UINT64_C(-1)) { |
afd45274 | 2722 | bt_message_discarded_events_set_count(msg, |
3adcb386 FD |
2723 | msg_it->snapshots.discarded_events - |
2724 | msg_it->prev_packet_snapshots.discarded_events); | |
495490c5 PP |
2725 | } |
2726 | ||
308adb47 FD |
2727 | end: |
2728 | return msg; | |
495490c5 PP |
2729 | } |
2730 | ||
2731 | static | |
18a1979b | 2732 | bt_message *create_msg_discarded_packets(struct ctf_msg_iter *msg_it) |
495490c5 PP |
2733 | { |
2734 | bt_message *msg; | |
3adcb386 | 2735 | bt_self_component *self_comp = msg_it->self_comp; |
495490c5 | 2736 | |
e5d25da2 | 2737 | BT_ASSERT(msg_it->self_msg_iter); |
3adcb386 FD |
2738 | BT_ASSERT(msg_it->stream); |
2739 | BT_ASSERT(msg_it->meta.sc->has_discarded_packets); | |
2740 | BT_ASSERT(msg_it->prev_packet_snapshots.packets != | |
495490c5 PP |
2741 | UINT64_C(-1)); |
2742 | ||
3adcb386 FD |
2743 | if (msg_it->meta.sc->discarded_packets_have_default_cs) { |
2744 | BT_ASSERT(msg_it->prev_packet_snapshots.end_clock != UINT64_C(-1)); | |
2745 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
495490c5 | 2746 | msg = bt_message_discarded_packets_create_with_default_clock_snapshots( |
e5d25da2 | 2747 | msg_it->self_msg_iter, msg_it->stream, |
3adcb386 FD |
2748 | msg_it->prev_packet_snapshots.end_clock, |
2749 | msg_it->snapshots.beginning_clock); | |
495490c5 | 2750 | } else { |
e5d25da2 | 2751 | msg = bt_message_discarded_packets_create(msg_it->self_msg_iter, |
3adcb386 | 2752 | msg_it->stream); |
495490c5 PP |
2753 | } |
2754 | ||
2755 | if (!msg) { | |
2246e99d FD |
2756 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2757 | "Cannot create discarded packets message: " | |
3adcb386 FD |
2758 | "msg-it-addr=%p, stream-addr=%p", |
2759 | msg_it, msg_it->stream); | |
308adb47 | 2760 | goto end; |
495490c5 PP |
2761 | } |
2762 | ||
2763 | bt_message_discarded_packets_set_count(msg, | |
3adcb386 FD |
2764 | msg_it->snapshots.packets - |
2765 | msg_it->prev_packet_snapshots.packets - 1); | |
308adb47 FD |
2766 | |
2767 | end: | |
2768 | return msg; | |
495490c5 PP |
2769 | } |
2770 | ||
c44c3e70 | 2771 | BT_HIDDEN |
851de941 SM |
2772 | struct ctf_msg_iter *ctf_msg_iter_create( |
2773 | struct ctf_trace_class *tc, | |
e98a2d6e | 2774 | size_t max_request_sz, |
18a1979b | 2775 | struct ctf_msg_iter_medium_ops medops, void *data, |
851de941 SM |
2776 | bt_logging_level log_level, |
2777 | bt_self_component *self_comp, | |
2778 | bt_self_message_iterator *self_msg_iter) | |
e98a2d6e | 2779 | { |
18a1979b | 2780 | struct ctf_msg_iter *msg_it = NULL; |
5cd6d0e5 PP |
2781 | struct bt_bfcr_cbs cbs = { |
2782 | .classes = { | |
2783 | .signed_int = bfcr_signed_int_cb, | |
2784 | .unsigned_int = bfcr_unsigned_int_cb, | |
2785 | .floating_point = bfcr_floating_point_cb, | |
2786 | .string_begin = bfcr_string_begin_cb, | |
2787 | .string = bfcr_string_cb, | |
2788 | .string_end = bfcr_string_end_cb, | |
2789 | .compound_begin = bfcr_compound_begin_cb, | |
2790 | .compound_end = bfcr_compound_end_cb, | |
e98a2d6e PP |
2791 | }, |
2792 | .query = { | |
5cd6d0e5 PP |
2793 | .get_sequence_length = bfcr_get_sequence_length_cb, |
2794 | .borrow_variant_selected_field_class = bfcr_borrow_variant_selected_field_class_cb, | |
e98a2d6e PP |
2795 | }, |
2796 | }; | |
2797 | ||
44c440bc | 2798 | BT_ASSERT(tc); |
f6ccaed9 | 2799 | BT_ASSERT(medops.request_bytes); |
312c056a | 2800 | BT_ASSERT(medops.borrow_stream); |
c9694de4 SM |
2801 | BT_ASSERT(max_request_sz > 0); |
2802 | ||
eb7f6c4f | 2803 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, log_level, self_comp, |
ea14c7dd | 2804 | "Creating CTF plugin message iterator: " |
862ca4ed | 2805 | "trace-addr=%p, max-request-size=%zu, " |
ea14c7dd PP |
2806 | "data=%p, log-level=%s", tc, max_request_sz, data, |
2807 | bt_common_logging_level_string(log_level)); | |
18a1979b | 2808 | msg_it = g_new0(struct ctf_msg_iter, 1); |
3adcb386 | 2809 | if (!msg_it) { |
eb7f6c4f | 2810 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
ea14c7dd | 2811 | "Failed to allocate one CTF plugin message iterator."); |
e98a2d6e PP |
2812 | goto end; |
2813 | } | |
3adcb386 | 2814 | msg_it->self_comp = self_comp; |
851de941 | 2815 | msg_it->self_msg_iter = self_msg_iter; |
3adcb386 FD |
2816 | msg_it->log_level = log_level; |
2817 | msg_it->meta.tc = tc; | |
2818 | msg_it->medium.medops = medops; | |
2819 | msg_it->medium.max_request_sz = max_request_sz; | |
2820 | msg_it->medium.data = data; | |
2821 | msg_it->stack = stack_new(msg_it); | |
2822 | msg_it->stored_values = g_array_new(FALSE, TRUE, sizeof(uint64_t)); | |
2823 | g_array_set_size(msg_it->stored_values, tc->stored_value_count); | |
2824 | ||
2825 | if (!msg_it->stack) { | |
2246e99d FD |
2826 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2827 | "Failed to create field stack."); | |
c44c3e70 | 2828 | goto error; |
e98a2d6e PP |
2829 | } |
2830 | ||
3adcb386 FD |
2831 | msg_it->bfcr = bt_bfcr_create(cbs, msg_it, log_level, NULL); |
2832 | if (!msg_it->bfcr) { | |
2246e99d FD |
2833 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2834 | "Failed to create binary class reader (BFCR)."); | |
c44c3e70 | 2835 | goto error; |
e98a2d6e PP |
2836 | } |
2837 | ||
18a1979b | 2838 | ctf_msg_iter_reset(msg_it); |
eb7f6c4f | 2839 | BT_COMP_LOGD("Created CTF plugin message iterator: " |
862ca4ed | 2840 | "trace-addr=%p, max-request-size=%zu, " |
3adcb386 FD |
2841 | "data=%p, msg-it-addr=%p, log-level=%s", |
2842 | tc, max_request_sz, data, msg_it, | |
ea14c7dd | 2843 | bt_common_logging_level_string(log_level)); |
3adcb386 | 2844 | msg_it->cur_packet_offset = 0; |
fdf0e7a0 | 2845 | |
e98a2d6e | 2846 | end: |
3adcb386 | 2847 | return msg_it; |
fdf0e7a0 | 2848 | |
c44c3e70 | 2849 | error: |
18a1979b | 2850 | ctf_msg_iter_destroy(msg_it); |
3adcb386 | 2851 | msg_it = NULL; |
c44c3e70 | 2852 | goto end; |
e98a2d6e PP |
2853 | } |
2854 | ||
18a1979b | 2855 | void ctf_msg_iter_destroy(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2856 | { |
3adcb386 FD |
2857 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
2858 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
2859 | release_all_dscopes(msg_it); | |
e98a2d6e | 2860 | |
3adcb386 | 2861 | BT_COMP_LOGD("Destroying CTF plugin message iterator: addr=%p", msg_it); |
fdf0e7a0 | 2862 | |
3adcb386 | 2863 | if (msg_it->stack) { |
eb7f6c4f | 2864 | BT_COMP_LOGD_STR("Destroying field stack."); |
3adcb386 | 2865 | stack_destroy(msg_it->stack); |
e98a2d6e PP |
2866 | } |
2867 | ||
3adcb386 FD |
2868 | if (msg_it->bfcr) { |
2869 | BT_COMP_LOGD("Destroying BFCR: bfcr-addr=%p", msg_it->bfcr); | |
2870 | bt_bfcr_destroy(msg_it->bfcr); | |
e98a2d6e PP |
2871 | } |
2872 | ||
3adcb386 FD |
2873 | if (msg_it->stored_values) { |
2874 | g_array_free(msg_it->stored_values, TRUE); | |
5f870343 | 2875 | } |
fdf0e7a0 | 2876 | |
3adcb386 | 2877 | g_free(msg_it); |
e98a2d6e PP |
2878 | } |
2879 | ||
18a1979b SM |
2880 | enum ctf_msg_iter_status ctf_msg_iter_get_next_message( |
2881 | struct ctf_msg_iter *msg_it, | |
cad707e2 | 2882 | const bt_message **message) |
e98a2d6e | 2883 | { |
18a1979b | 2884 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 2885 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2886 | |
3adcb386 | 2887 | BT_ASSERT_DBG(msg_it); |
98b15851 | 2888 | BT_ASSERT_DBG(message); |
3adcb386 | 2889 | BT_COMP_LOGD("Getting next message: msg-it-addr=%p", msg_it); |
fdf0e7a0 | 2890 | |
e98a2d6e | 2891 | while (true) { |
3adcb386 | 2892 | status = handle_state(msg_it); |
18a1979b SM |
2893 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
2894 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
7cdc2bab | 2895 | goto end; |
18a1979b | 2896 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
2246e99d | 2897 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
3adcb386 FD |
2898 | "Cannot handle state: msg-it-addr=%p, state=%s", |
2899 | msg_it, state_string(msg_it->state)); | |
e98a2d6e PP |
2900 | goto end; |
2901 | } | |
2902 | ||
3adcb386 | 2903 | switch (msg_it->state) { |
fc917f65 | 2904 | case STATE_EMIT_MSG_EVENT: |
3adcb386 | 2905 | BT_ASSERT_DBG(msg_it->event_msg); |
1eb28907 FD |
2906 | |
2907 | /* | |
2908 | * Check if we need to emit the delayed packet | |
2909 | * beginning message instead of the event message. | |
2910 | */ | |
3adcb386 FD |
2911 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2912 | *message = emit_delayed_packet_beg_msg(msg_it); | |
1eb28907 | 2913 | if (!*message) { |
18a1979b | 2914 | status = CTF_MSG_ITER_STATUS_ERROR; |
1eb28907 FD |
2915 | } |
2916 | ||
2917 | /* | |
2918 | * Don't forget to emit the event message of | |
2919 | * the event record that was just decoded. | |
2920 | */ | |
3adcb386 | 2921 | msg_it->state = STATE_EMIT_QUEUED_MSG_EVENT; |
1eb28907 FD |
2922 | |
2923 | } else { | |
3adcb386 FD |
2924 | *message = msg_it->event_msg; |
2925 | msg_it->event_msg = NULL; | |
1eb28907 | 2926 | } |
495490c5 PP |
2927 | goto end; |
2928 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
2929 | /* create_msg_discared_events() logs errors */ | |
3adcb386 | 2930 | *message = create_msg_discarded_events(msg_it); |
495490c5 PP |
2931 | |
2932 | if (!*message) { | |
18a1979b | 2933 | status = CTF_MSG_ITER_STATUS_ERROR; |
495490c5 PP |
2934 | } |
2935 | ||
2936 | goto end; | |
2937 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
2938 | /* create_msg_discared_packets() logs errors */ | |
3adcb386 | 2939 | *message = create_msg_discarded_packets(msg_it); |
495490c5 PP |
2940 | |
2941 | if (!*message) { | |
18a1979b | 2942 | status = CTF_MSG_ITER_STATUS_ERROR; |
495490c5 PP |
2943 | } |
2944 | ||
fc917f65 PP |
2945 | goto end; |
2946 | case STATE_EMIT_MSG_PACKET_BEGINNING: | |
3adcb386 FD |
2947 | if (G_UNLIKELY(msg_it->meta.tc->quirks.barectf_event_before_packet)) { |
2948 | msg_it->emit_delayed_packet_beginning_msg = true; | |
1eb28907 FD |
2949 | /* |
2950 | * There is no message to return yet as this | |
2951 | * packet beginning message is delayed until we | |
2952 | * decode the first event message of the | |
2953 | * packet. | |
2954 | */ | |
2955 | break; | |
2956 | } else { | |
2957 | /* create_msg_packet_beginning() logs errors */ | |
3adcb386 | 2958 | *message = create_msg_packet_beginning(msg_it, false); |
1eb28907 | 2959 | if (!*message) { |
18a1979b | 2960 | status = CTF_MSG_ITER_STATUS_ERROR; |
1eb28907 | 2961 | } |
f42867e2 | 2962 | } |
44c440bc | 2963 | |
f42867e2 | 2964 | goto end; |
fc917f65 PP |
2965 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
2966 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
2967 | /* create_msg_packet_end() logs errors */ | |
3adcb386 | 2968 | *message = create_msg_packet_end(msg_it); |
44c440bc | 2969 | |
d6e69534 | 2970 | if (!*message) { |
18a1979b | 2971 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e | 2972 | } |
312c056a | 2973 | |
495490c5 | 2974 | goto end; |
fc917f65 | 2975 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
495490c5 | 2976 | /* create_msg_stream_beginning() logs errors */ |
3adcb386 | 2977 | *message = create_msg_stream_beginning(msg_it); |
bc0ae364 | 2978 | msg_it->emit_stream_beginning_message = false; |
1cda4ff4 | 2979 | msg_it->emit_stream_end_message = true; |
fc917f65 | 2980 | |
495490c5 | 2981 | if (!*message) { |
18a1979b | 2982 | status = CTF_MSG_ITER_STATUS_ERROR; |
fc917f65 PP |
2983 | } |
2984 | ||
495490c5 | 2985 | goto end; |
fc917f65 | 2986 | case STATE_EMIT_MSG_STREAM_END: |
495490c5 | 2987 | /* create_msg_stream_end() logs errors */ |
3adcb386 | 2988 | *message = create_msg_stream_end(msg_it); |
1cda4ff4 | 2989 | msg_it->emit_stream_end_message = false; |
fc917f65 | 2990 | |
495490c5 | 2991 | if (!*message) { |
18a1979b | 2992 | status = CTF_MSG_ITER_STATUS_ERROR; |
fc917f65 PP |
2993 | } |
2994 | ||
495490c5 | 2995 | goto end; |
fc917f65 | 2996 | case STATE_DONE: |
18a1979b | 2997 | status = CTF_MSG_ITER_STATUS_EOF; |
e98a2d6e PP |
2998 | goto end; |
2999 | default: | |
3000 | /* Non-emitting state: continue */ | |
3001 | break; | |
3002 | } | |
3003 | } | |
3004 | ||
3005 | end: | |
3006 | return status; | |
3007 | } | |
87187cbf | 3008 | |
41693723 | 3009 | static |
18a1979b | 3010 | enum ctf_msg_iter_status decode_until_state( struct ctf_msg_iter *msg_it, |
27f26617 | 3011 | enum state target_state_1, enum state target_state_2) |
87187cbf | 3012 | { |
18a1979b | 3013 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3adcb386 | 3014 | bt_self_component *self_comp = msg_it->self_comp; |
87187cbf | 3015 | |
3adcb386 | 3016 | BT_ASSERT_DBG(msg_it); |
87187cbf | 3017 | |
3682dd06 FD |
3018 | do { |
3019 | /* | |
3020 | * Check if we reached the state at which we want to stop | |
3021 | * decoding. | |
3022 | */ | |
3adcb386 FD |
3023 | if (msg_it->state == target_state_1 || |
3024 | msg_it->state == target_state_2) { | |
3682dd06 FD |
3025 | goto end; |
3026 | } | |
87187cbf | 3027 | |
3adcb386 | 3028 | status = handle_state(msg_it); |
18a1979b SM |
3029 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
3030 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
87187cbf | 3031 | goto end; |
18a1979b | 3032 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
2246e99d | 3033 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
3adcb386 FD |
3034 | "Cannot handle state: msg-it-addr=%p, state=%s", |
3035 | msg_it, state_string(msg_it->state)); | |
87187cbf PP |
3036 | goto end; |
3037 | } | |
3038 | ||
3adcb386 | 3039 | switch (msg_it->state) { |
87187cbf | 3040 | case STATE_INIT: |
44269abb | 3041 | case STATE_SWITCH_PACKET: |
87187cbf PP |
3042 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
3043 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3044 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3045 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3046 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3047 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
fc917f65 | 3048 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
495490c5 PP |
3049 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: |
3050 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
3051 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
3052 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
3682dd06 FD |
3053 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
3054 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: | |
3055 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: | |
3056 | case STATE_AFTER_EVENT_HEADER: | |
3057 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: | |
3058 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: | |
3059 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: | |
3060 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: | |
3061 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
3062 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
3063 | case STATE_EMIT_MSG_EVENT: | |
1eb28907 | 3064 | case STATE_EMIT_QUEUED_MSG_EVENT: |
3682dd06 FD |
3065 | case STATE_SKIP_PACKET_PADDING: |
3066 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
3067 | case STATE_EMIT_MSG_PACKET_END_SINGLE: | |
1eb28907 | 3068 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
3682dd06 | 3069 | case STATE_EMIT_MSG_STREAM_END: |
87187cbf | 3070 | break; |
3682dd06 FD |
3071 | case STATE_DONE: |
3072 | /* fall-through */ | |
87187cbf | 3073 | default: |
3682dd06 | 3074 | /* We should never get to the STATE_DONE state. */ |
3adcb386 FD |
3075 | BT_COMP_LOGF("Unexpected state: msg-it-addr=%p, state=%s", |
3076 | msg_it, state_string(msg_it->state)); | |
498e7994 | 3077 | bt_common_abort(); |
87187cbf | 3078 | } |
3682dd06 | 3079 | } while (true); |
87187cbf | 3080 | |
41693723 | 3081 | end: |
3682dd06 FD |
3082 | return status; |
3083 | } | |
3084 | ||
3085 | static | |
18a1979b SM |
3086 | enum ctf_msg_iter_status read_packet_header_context_fields( |
3087 | struct ctf_msg_iter *msg_it) | |
3682dd06 FD |
3088 | { |
3089 | int ret; | |
18a1979b | 3090 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
3682dd06 | 3091 | |
3adcb386 | 3092 | status = decode_until_state(msg_it, STATE_EMIT_MSG_PACKET_BEGINNING, -1); |
18a1979b | 3093 | if (status != CTF_MSG_ITER_STATUS_OK) { |
3682dd06 FD |
3094 | goto end; |
3095 | } | |
3096 | ||
3adcb386 | 3097 | ret = set_current_packet_content_sizes(msg_it); |
312c056a | 3098 | if (ret) { |
18a1979b | 3099 | status = CTF_MSG_ITER_STATUS_ERROR; |
3682dd06 | 3100 | goto end; |
312c056a PP |
3101 | } |
3102 | ||
3682dd06 | 3103 | end: |
87187cbf PP |
3104 | return status; |
3105 | } | |
6de92955 | 3106 | |
9e0c8dbb | 3107 | BT_HIDDEN |
18a1979b | 3108 | enum ctf_msg_iter_status ctf_msg_iter_seek(struct ctf_msg_iter *msg_it, |
fc917f65 | 3109 | off_t offset) |
9e0c8dbb | 3110 | { |
18a1979b | 3111 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
18a1979b | 3112 | enum ctf_msg_iter_medium_status medium_status; |
9e0c8dbb | 3113 | |
3adcb386 | 3114 | BT_ASSERT(msg_it); |
30174f59 | 3115 | BT_ASSERT(offset >= 0); |
026f1a5a | 3116 | BT_ASSERT(msg_it->medium.medops.seek); |
9e0c8dbb | 3117 | |
701a0903 | 3118 | medium_status = msg_it->medium.medops.seek(offset, msg_it->medium.data); |
18a1979b SM |
3119 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
3120 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
3121 | status = CTF_MSG_ITER_STATUS_EOF; | |
9e0c8dbb | 3122 | } else { |
18a1979b | 3123 | status = CTF_MSG_ITER_STATUS_ERROR; |
9e0c8dbb JG |
3124 | goto end; |
3125 | } | |
3126 | } | |
3127 | ||
18a1979b | 3128 | ctf_msg_iter_reset(msg_it); |
3adcb386 | 3129 | msg_it->cur_packet_offset = offset; |
44c440bc | 3130 | |
9e0c8dbb | 3131 | end: |
3a246966 | 3132 | return status; |
9e0c8dbb JG |
3133 | } |
3134 | ||
27f26617 | 3135 | static |
18a1979b SM |
3136 | enum ctf_msg_iter_status clock_snapshot_at_msg_iter_state( |
3137 | struct ctf_msg_iter *msg_it, enum state target_state_1, | |
27f26617 FD |
3138 | enum state target_state_2, uint64_t *clock_snapshot) |
3139 | { | |
18a1979b | 3140 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
27f26617 | 3141 | |
3adcb386 | 3142 | BT_ASSERT_DBG(msg_it); |
98b15851 | 3143 | BT_ASSERT_DBG(clock_snapshot); |
3adcb386 | 3144 | status = decode_until_state(msg_it, target_state_1, target_state_2); |
18a1979b | 3145 | if (status != CTF_MSG_ITER_STATUS_OK) { |
27f26617 FD |
3146 | goto end; |
3147 | } | |
3148 | ||
3adcb386 | 3149 | *clock_snapshot = msg_it->default_clock_snapshot; |
27f26617 FD |
3150 | end: |
3151 | return status; | |
3152 | } | |
3153 | ||
3154 | BT_HIDDEN | |
18a1979b SM |
3155 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_first_event_clock_snapshot( |
3156 | struct ctf_msg_iter *msg_it, uint64_t *first_clock_snapshot) | |
27f26617 | 3157 | { |
3adcb386 | 3158 | return clock_snapshot_at_msg_iter_state(msg_it, |
27f26617 FD |
3159 | STATE_AFTER_EVENT_HEADER, -1, first_clock_snapshot); |
3160 | } | |
3161 | ||
3162 | BT_HIDDEN | |
18a1979b SM |
3163 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_last_event_clock_snapshot( |
3164 | struct ctf_msg_iter *msg_it, uint64_t *last_clock_snapshot) | |
27f26617 | 3165 | { |
3adcb386 | 3166 | return clock_snapshot_at_msg_iter_state(msg_it, |
27f26617 FD |
3167 | STATE_EMIT_MSG_PACKET_END_SINGLE, |
3168 | STATE_EMIT_MSG_PACKET_END_MULTI, last_clock_snapshot); | |
3169 | } | |
3170 | ||
44c440bc | 3171 | BT_HIDDEN |
18a1979b SM |
3172 | enum ctf_msg_iter_status ctf_msg_iter_get_packet_properties( |
3173 | struct ctf_msg_iter *msg_it, | |
3174 | struct ctf_msg_iter_packet_properties *props) | |
44c440bc | 3175 | { |
18a1979b | 3176 | enum ctf_msg_iter_status status; |
41693723 | 3177 | |
3adcb386 | 3178 | BT_ASSERT_DBG(msg_it); |
98b15851 | 3179 | BT_ASSERT_DBG(props); |
3adcb386 | 3180 | status = read_packet_header_context_fields(msg_it); |
18a1979b | 3181 | if (status != CTF_MSG_ITER_STATUS_OK) { |
41693723 PP |
3182 | goto end; |
3183 | } | |
44c440bc | 3184 | |
3adcb386 FD |
3185 | props->exp_packet_total_size = msg_it->cur_exp_packet_total_size; |
3186 | props->exp_packet_content_size = msg_it->cur_exp_packet_content_size; | |
3187 | props->stream_class_id = (uint64_t) msg_it->cur_stream_class_id; | |
3188 | props->data_stream_id = msg_it->cur_data_stream_id; | |
3189 | props->snapshots.discarded_events = msg_it->snapshots.discarded_events; | |
3190 | props->snapshots.packets = msg_it->snapshots.packets; | |
3191 | props->snapshots.beginning_clock = msg_it->snapshots.beginning_clock; | |
3192 | props->snapshots.end_clock = msg_it->snapshots.end_clock; | |
41693723 PP |
3193 | |
3194 | end: | |
3195 | return status; | |
9e0c8dbb | 3196 | } |
fc917f65 | 3197 | |
de24a43f | 3198 | BT_HIDDEN |
18a1979b | 3199 | void ctf_msg_iter_set_dry_run(struct ctf_msg_iter *msg_it, |
de24a43f FD |
3200 | bool val) |
3201 | { | |
3adcb386 | 3202 | msg_it->dry_run = val; |
de24a43f | 3203 | } |