Commit | Line | Data |
---|---|---|
e98a2d6e | 1 | /* |
b09a5592 | 2 | * Babeltrace - CTF message iterator |
06a626b8 | 3 | * |
7b33a0e0 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 | ||
c9d45a6b FD |
26 | #define BT_COMP_LOG_SELF_COMP (msg_it->self_comp) |
27 | #define BT_LOG_OUTPUT_LEVEL (msg_it->log_level) | |
b03487ab | 28 | #define BT_LOG_TAG "PLUGIN/CTF/MSG-ITER" |
3fa1b6a3 | 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> | |
57952005 | 36 | #include "common/assert.h" |
e98a2d6e | 37 | #include <string.h> |
71c5da58 | 38 | #include <babeltrace2/babeltrace.h> |
57952005 | 39 | #include "common/common.h" |
e98a2d6e | 40 | #include <glib.h> |
0fbb9a9f | 41 | #include <stdlib.h> |
e98a2d6e | 42 | |
b09a5592 | 43 | #include "msg-iter.h" |
939190b3 | 44 | #include "../bfcr/bfcr.h" |
e98a2d6e | 45 | |
5d452e1f | 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 | * | |
a6918753 | 59 | * Field is borrowed. |
e98a2d6e | 60 | */ |
8eee8ea2 | 61 | bt_field *base; |
e98a2d6e | 62 | |
7b33a0e0 | 63 | /* Index of next field to set */ |
e98a2d6e PP |
64 | size_t index; |
65 | }; | |
66 | ||
5d452e1f | 67 | struct ctf_msg_iter; |
f8811e3b | 68 | |
e98a2d6e PP |
69 | /* Visit stack */ |
70 | struct stack { | |
5d452e1f | 71 | struct ctf_msg_iter *msg_it; |
f8811e3b | 72 | |
87bdbbb0 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, | |
01ed875d | 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, | |
989925d1 | 90 | STATE_CHECK_EMIT_MSG_STREAM_BEGINNING, |
bbbd35bf | 91 | STATE_EMIT_MSG_STREAM_BEGINNING, |
989925d1 PP |
92 | STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS, |
93 | STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS, | |
94 | STATE_EMIT_MSG_DISCARDED_EVENTS, | |
95 | STATE_EMIT_MSG_DISCARDED_PACKETS, | |
bbbd35bf | 96 | STATE_EMIT_MSG_PACKET_BEGINNING, |
7b33a0e0 PP |
97 | STATE_DSCOPE_EVENT_HEADER_BEGIN, |
98 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, | |
99 | STATE_AFTER_EVENT_HEADER, | |
100 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN, | |
101 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
102 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, | |
103 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, | |
e98a2d6e PP |
104 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
105 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
b09a5592 | 106 | STATE_EMIT_MSG_EVENT, |
29b36c79 | 107 | STATE_EMIT_QUEUED_MSG_EVENT, |
e98a2d6e | 108 | STATE_SKIP_PACKET_PADDING, |
bbbd35bf PP |
109 | STATE_EMIT_MSG_PACKET_END_MULTI, |
110 | STATE_EMIT_MSG_PACKET_END_SINGLE, | |
b7cbc799 | 111 | STATE_CHECK_EMIT_MSG_STREAM_END, |
29b36c79 | 112 | STATE_EMIT_QUEUED_MSG_PACKET_END, |
bbbd35bf PP |
113 | STATE_EMIT_MSG_STREAM_END, |
114 | STATE_DONE, | |
e98a2d6e PP |
115 | }; |
116 | ||
989925d1 PP |
117 | struct end_of_packet_snapshots { |
118 | uint64_t discarded_events; | |
119 | uint64_t packets; | |
120 | uint64_t beginning_clock; | |
121 | uint64_t end_clock; | |
122 | }; | |
123 | ||
b09a5592 | 124 | /* CTF message iterator */ |
5d452e1f | 125 | struct ctf_msg_iter { |
e98a2d6e PP |
126 | /* Visit stack */ |
127 | struct stack *stack; | |
128 | ||
b09a5592 | 129 | /* Current message iterator to create messages (weak) */ |
6c7642c2 | 130 | bt_self_message_iterator *self_msg_iter; |
f7c3ac09 | 131 | |
b7cbc799 | 132 | /* True to emit a stream beginning message. */ |
bbbd35bf PP |
133 | bool emit_stream_begin_msg; |
134 | ||
b7cbc799 | 135 | /* True to emit a stream end message. */ |
bbbd35bf PP |
136 | bool emit_stream_end_msg; |
137 | ||
8482a078 FD |
138 | /* |
139 | * True if library objects are unavailable during the decoding and | |
140 | * should not be created/used. | |
141 | */ | |
142 | bool dry_run; | |
143 | ||
989925d1 PP |
144 | /* True to set the stream */ |
145 | bool set_stream; | |
146 | ||
e98a2d6e PP |
147 | /* |
148 | * Current dynamic scope field pointer. | |
149 | * | |
a6918753 PP |
150 | * This is set by read_dscope_begin_state() and contains the |
151 | * value of one of the pointers in `dscopes` below. | |
e98a2d6e | 152 | */ |
8eee8ea2 | 153 | bt_field *cur_dscope_field; |
e98a2d6e | 154 | |
7b33a0e0 PP |
155 | /* |
156 | * True if we're done filling a string field from a text | |
157 | * array/sequence payload. | |
158 | */ | |
159 | bool done_filling_string; | |
160 | ||
161 | /* Trace and classes */ | |
e5e71bf8 PP |
162 | /* True to set IR fields */ |
163 | bool set_ir_fields; | |
164 | ||
e98a2d6e | 165 | struct { |
7b33a0e0 PP |
166 | struct ctf_trace_class *tc; |
167 | struct ctf_stream_class *sc; | |
168 | struct ctf_event_class *ec; | |
e98a2d6e PP |
169 | } meta; |
170 | ||
0476f6f7 | 171 | /* Current packet context field wrapper (NULL if not created yet) */ |
8eee8ea2 | 172 | bt_packet_context_field *packet_context_field; |
a6918753 | 173 | |
e98a2d6e | 174 | /* Current packet (NULL if not created yet) */ |
8eee8ea2 | 175 | bt_packet *packet; |
e98a2d6e | 176 | |
5184a1d6 | 177 | /* Current stream (NULL if not set yet) */ |
8eee8ea2 | 178 | bt_stream *stream; |
5184a1d6 | 179 | |
a6918753 | 180 | /* Current event (NULL if not created yet) */ |
8eee8ea2 | 181 | bt_event *event; |
a6918753 | 182 | |
b09a5592 PP |
183 | /* Current event message (NULL if not created yet) */ |
184 | bt_message *event_msg; | |
a6918753 | 185 | |
29b36c79 FD |
186 | /* |
187 | * True if we need to emit a packet beginning message before we emit | |
188 | * the next event message or the packet end message. | |
189 | */ | |
190 | bool emit_delayed_packet_beginning_msg; | |
191 | ||
7b33a0e0 | 192 | /* Database of current dynamic scopes */ |
e98a2d6e | 193 | struct { |
8eee8ea2 | 194 | bt_field *stream_packet_context; |
8eee8ea2 PP |
195 | bt_field *event_common_context; |
196 | bt_field *event_spec_context; | |
197 | bt_field *event_payload; | |
e98a2d6e PP |
198 | } dscopes; |
199 | ||
200 | /* Current state */ | |
201 | enum state state; | |
202 | ||
2cf1d51e | 203 | /* Current medium buffer data */ |
e98a2d6e PP |
204 | struct { |
205 | /* Last address provided by medium */ | |
206 | const uint8_t *addr; | |
207 | ||
208 | /* Buffer size provided by medium (bytes) */ | |
209 | size_t sz; | |
210 | ||
211 | /* Offset within whole packet of addr (bits) */ | |
212 | size_t packet_offset; | |
213 | ||
214 | /* Current position from addr (bits) */ | |
215 | size_t at; | |
9b876b7b PP |
216 | |
217 | /* Position of the last event header from addr (bits) */ | |
218 | size_t last_eh_at; | |
e98a2d6e PP |
219 | } buf; |
220 | ||
221 | /* Binary type reader */ | |
939190b3 | 222 | struct bt_bfcr *bfcr; |
e98a2d6e | 223 | |
2cf1d51e | 224 | /* Current medium data */ |
e98a2d6e | 225 | struct { |
5d452e1f | 226 | struct ctf_msg_iter_medium_ops medops; |
e98a2d6e PP |
227 | size_t max_request_sz; |
228 | void *data; | |
229 | } medium; | |
230 | ||
231 | /* Current packet size (bits) (-1 if unknown) */ | |
7b33a0e0 | 232 | int64_t cur_exp_packet_total_size; |
e98a2d6e PP |
233 | |
234 | /* Current content size (bits) (-1 if unknown) */ | |
7b33a0e0 | 235 | int64_t cur_exp_packet_content_size; |
c44c3e70 | 236 | |
7b33a0e0 PP |
237 | /* Current stream class ID */ |
238 | int64_t cur_stream_class_id; | |
bb230c9b | 239 | |
7b33a0e0 PP |
240 | /* Current event class ID */ |
241 | int64_t cur_event_class_id; | |
5f870343 | 242 | |
7b33a0e0 PP |
243 | /* Current data stream ID */ |
244 | int64_t cur_data_stream_id; | |
5f870343 JG |
245 | |
246 | /* | |
7b33a0e0 PP |
247 | * Offset, in the underlying media, of the current packet's |
248 | * start (-1 if unknown). | |
5f870343 | 249 | */ |
7b33a0e0 PP |
250 | off_t cur_packet_offset; |
251 | ||
252 | /* Default clock's current value */ | |
ecbb78c0 | 253 | uint64_t default_clock_snapshot; |
5f870343 | 254 | |
989925d1 PP |
255 | /* End of current packet snapshots */ |
256 | struct end_of_packet_snapshots snapshots; | |
257 | ||
258 | /* End of previous packet snapshots */ | |
259 | struct end_of_packet_snapshots prev_packet_snapshots; | |
7b33a0e0 PP |
260 | |
261 | /* Stored values (for sequence lengths, variant tags) */ | |
262 | GArray *stored_values; | |
f8811e3b PP |
263 | |
264 | /* Iterator's current log level */ | |
265 | bt_logging_level log_level; | |
e310e6e2 PP |
266 | |
267 | /* Iterator's owning self component, or `NULL` if none (query) */ | |
268 | bt_self_component *self_comp; | |
e98a2d6e PP |
269 | }; |
270 | ||
fdf0e7a0 PP |
271 | static inline |
272 | const char *state_string(enum state state) | |
273 | { | |
274 | switch (state) { | |
275 | case STATE_INIT: | |
e05f8464 | 276 | return "INIT"; |
01ed875d PP |
277 | case STATE_SWITCH_PACKET: |
278 | return "SWITCH_PACKET"; | |
fdf0e7a0 | 279 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
e05f8464 | 280 | return "DSCOPE_TRACE_PACKET_HEADER_BEGIN"; |
fdf0e7a0 | 281 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: |
e05f8464 | 282 | return "DSCOPE_TRACE_PACKET_HEADER_CONTINUE"; |
fdf0e7a0 | 283 | case STATE_AFTER_TRACE_PACKET_HEADER: |
e05f8464 | 284 | return "AFTER_TRACE_PACKET_HEADER"; |
fdf0e7a0 | 285 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: |
e05f8464 | 286 | return "DSCOPE_STREAM_PACKET_CONTEXT_BEGIN"; |
fdf0e7a0 | 287 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: |
e05f8464 | 288 | return "DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE"; |
fdf0e7a0 | 289 | case STATE_AFTER_STREAM_PACKET_CONTEXT: |
e05f8464 | 290 | return "AFTER_STREAM_PACKET_CONTEXT"; |
bbbd35bf | 291 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
e05f8464 | 292 | return "EMIT_MSG_STREAM_BEGINNING"; |
bbbd35bf | 293 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
e05f8464 | 294 | return "EMIT_MSG_PACKET_BEGINNING"; |
989925d1 | 295 | case STATE_EMIT_MSG_DISCARDED_EVENTS: |
e05f8464 | 296 | return "EMIT_MSG_DISCARDED_EVENTS"; |
989925d1 | 297 | case STATE_EMIT_MSG_DISCARDED_PACKETS: |
e05f8464 | 298 | return "EMIT_MSG_DISCARDED_PACKETS"; |
7b33a0e0 | 299 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
e05f8464 | 300 | return "DSCOPE_EVENT_HEADER_BEGIN"; |
7b33a0e0 | 301 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
e05f8464 | 302 | return "DSCOPE_EVENT_HEADER_CONTINUE"; |
7b33a0e0 | 303 | case STATE_AFTER_EVENT_HEADER: |
e05f8464 | 304 | return "AFTER_EVENT_HEADER"; |
7b33a0e0 | 305 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
e05f8464 | 306 | return "DSCOPE_EVENT_COMMON_CONTEXT_BEGIN"; |
7b33a0e0 | 307 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
e05f8464 | 308 | return "DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE"; |
7b33a0e0 | 309 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
e05f8464 | 310 | return "DSCOPE_EVENT_SPEC_CONTEXT_BEGIN"; |
7b33a0e0 | 311 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
e05f8464 | 312 | return "DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE"; |
fdf0e7a0 | 313 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: |
e05f8464 | 314 | return "DSCOPE_EVENT_PAYLOAD_BEGIN"; |
fdf0e7a0 | 315 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: |
e05f8464 | 316 | return "DSCOPE_EVENT_PAYLOAD_CONTINUE"; |
b09a5592 | 317 | case STATE_EMIT_MSG_EVENT: |
e05f8464 | 318 | return "EMIT_MSG_EVENT"; |
29b36c79 FD |
319 | case STATE_EMIT_QUEUED_MSG_EVENT: |
320 | return "EMIT_QUEUED_MSG_EVENT"; | |
fdf0e7a0 | 321 | case STATE_SKIP_PACKET_PADDING: |
e05f8464 | 322 | return "SKIP_PACKET_PADDING"; |
bbbd35bf | 323 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
e05f8464 | 324 | return "EMIT_MSG_PACKET_END_MULTI"; |
bbbd35bf | 325 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
e05f8464 | 326 | return "EMIT_MSG_PACKET_END_SINGLE"; |
29b36c79 FD |
327 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
328 | return "EMIT_QUEUED_MSG_PACKET_END"; | |
bbbd35bf | 329 | case STATE_EMIT_MSG_STREAM_END: |
e05f8464 | 330 | return "EMIT_MSG_STREAM_END"; |
bbbd35bf | 331 | case STATE_DONE: |
e05f8464 | 332 | return "DONE"; |
fdf0e7a0 PP |
333 | default: |
334 | return "(unknown)"; | |
335 | } | |
336 | } | |
337 | ||
e98a2d6e | 338 | static |
5d452e1f | 339 | struct stack *stack_new(struct ctf_msg_iter *msg_it) |
e98a2d6e | 340 | { |
c9d45a6b | 341 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
342 | struct stack *stack = NULL; |
343 | ||
344 | stack = g_new0(struct stack, 1); | |
345 | if (!stack) { | |
0f077192 FD |
346 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
347 | "Failed to allocate one stack."); | |
e98a2d6e PP |
348 | goto error; |
349 | } | |
350 | ||
c9d45a6b | 351 | stack->msg_it = msg_it; |
87bdbbb0 | 352 | stack->entries = g_array_new(FALSE, TRUE, sizeof(struct stack_entry)); |
e98a2d6e | 353 | if (!stack->entries) { |
0f077192 FD |
354 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
355 | "Failed to allocate a GArray."); | |
e98a2d6e PP |
356 | goto error; |
357 | } | |
358 | ||
c9d45a6b | 359 | BT_COMP_LOGD("Created stack: msg-it-addr=%p, stack-addr=%p", msg_it, stack); |
7b33a0e0 | 360 | goto end; |
fdf0e7a0 | 361 | |
e98a2d6e PP |
362 | error: |
363 | g_free(stack); | |
7b33a0e0 PP |
364 | stack = NULL; |
365 | ||
366 | end: | |
367 | return stack; | |
e98a2d6e PP |
368 | } |
369 | ||
370 | static | |
371 | void stack_destroy(struct stack *stack) | |
372 | { | |
5d452e1f | 373 | struct ctf_msg_iter *msg_it; |
f8811e3b | 374 | |
ec4a3354 | 375 | BT_ASSERT_DBG(stack); |
c9d45a6b | 376 | msg_it = stack->msg_it; |
e310e6e2 | 377 | BT_COMP_LOGD("Destroying stack: addr=%p", stack); |
87bdbbb0 PP |
378 | |
379 | if (stack->entries) { | |
380 | g_array_free(stack->entries, TRUE); | |
381 | } | |
382 | ||
e98a2d6e PP |
383 | g_free(stack); |
384 | } | |
385 | ||
386 | static | |
8eee8ea2 | 387 | void stack_push(struct stack *stack, bt_field *base) |
e98a2d6e | 388 | { |
e98a2d6e | 389 | struct stack_entry *entry; |
5d452e1f | 390 | struct ctf_msg_iter *msg_it; |
e98a2d6e | 391 | |
ec4a3354 | 392 | BT_ASSERT_DBG(stack); |
c9d45a6b | 393 | msg_it = stack->msg_it; |
ec4a3354 | 394 | BT_ASSERT_DBG(base); |
c9ecaa78 | 395 | BT_COMP_LOGT("Pushing base field on stack: stack-addr=%p, " |
87bdbbb0 PP |
396 | "stack-size-before=%zu, stack-size-after=%zu", |
397 | stack, stack->size, stack->size + 1); | |
398 | ||
399 | if (stack->entries->len == stack->size) { | |
400 | g_array_set_size(stack->entries, stack->size + 1); | |
e98a2d6e PP |
401 | } |
402 | ||
87bdbbb0 | 403 | entry = &g_array_index(stack->entries, struct stack_entry, stack->size); |
a6918753 | 404 | entry->base = base; |
87bdbbb0 PP |
405 | entry->index = 0; |
406 | stack->size++; | |
e98a2d6e PP |
407 | } |
408 | ||
409 | static inline | |
410 | unsigned int stack_size(struct stack *stack) | |
411 | { | |
ec4a3354 | 412 | BT_ASSERT_DBG(stack); |
87bdbbb0 | 413 | return stack->size; |
e98a2d6e PP |
414 | } |
415 | ||
416 | static | |
417 | void stack_pop(struct stack *stack) | |
418 | { | |
5d452e1f | 419 | struct ctf_msg_iter *msg_it; |
f8811e3b | 420 | |
ec4a3354 PP |
421 | BT_ASSERT_DBG(stack); |
422 | BT_ASSERT_DBG(stack_size(stack)); | |
c9d45a6b | 423 | msg_it = stack->msg_it; |
c9ecaa78 | 424 | BT_COMP_LOGT("Popping from stack: " |
87bdbbb0 PP |
425 | "stack-addr=%p, stack-size-before=%zu, stack-size-after=%zu", |
426 | stack, stack->size, stack->size - 1); | |
427 | stack->size--; | |
e98a2d6e PP |
428 | } |
429 | ||
430 | static inline | |
431 | struct stack_entry *stack_top(struct stack *stack) | |
432 | { | |
ec4a3354 PP |
433 | BT_ASSERT_DBG(stack); |
434 | BT_ASSERT_DBG(stack_size(stack)); | |
87bdbbb0 PP |
435 | return &g_array_index(stack->entries, struct stack_entry, |
436 | stack->size - 1); | |
e98a2d6e PP |
437 | } |
438 | ||
439 | static inline | |
440 | bool stack_empty(struct stack *stack) | |
441 | { | |
442 | return stack_size(stack) == 0; | |
443 | } | |
444 | ||
445 | static | |
446 | void stack_clear(struct stack *stack) | |
447 | { | |
ec4a3354 | 448 | BT_ASSERT_DBG(stack); |
87bdbbb0 | 449 | stack->size = 0; |
e98a2d6e PP |
450 | } |
451 | ||
452 | static inline | |
5d452e1f SM |
453 | enum ctf_msg_iter_status msg_iter_status_from_m_status( |
454 | enum ctf_msg_iter_medium_status m_status) | |
e98a2d6e | 455 | { |
7b33a0e0 | 456 | /* They are the same */ |
dc77b521 | 457 | return (int) m_status; |
e98a2d6e PP |
458 | } |
459 | ||
460 | static inline | |
5d452e1f | 461 | size_t buf_size_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 462 | { |
c9d45a6b | 463 | return msg_it->buf.sz * 8; |
e98a2d6e PP |
464 | } |
465 | ||
466 | static inline | |
5d452e1f | 467 | size_t buf_available_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 468 | { |
c9d45a6b | 469 | return buf_size_bits(msg_it) - msg_it->buf.at; |
e98a2d6e PP |
470 | } |
471 | ||
472 | static inline | |
5d452e1f | 473 | size_t packet_at(struct ctf_msg_iter *msg_it) |
e98a2d6e | 474 | { |
c9d45a6b | 475 | return msg_it->buf.packet_offset + msg_it->buf.at; |
e98a2d6e PP |
476 | } |
477 | ||
e98a2d6e | 478 | static inline |
5d452e1f | 479 | void buf_consume_bits(struct ctf_msg_iter *msg_it, size_t incr) |
e98a2d6e | 480 | { |
c9d45a6b FD |
481 | BT_COMP_LOGT("Advancing cursor: msg-it-addr=%p, cur-before=%zu, cur-after=%zu", |
482 | msg_it, msg_it->buf.at, msg_it->buf.at + incr); | |
483 | msg_it->buf.at += incr; | |
e98a2d6e PP |
484 | } |
485 | ||
e98a2d6e | 486 | static |
5d452e1f SM |
487 | enum ctf_msg_iter_status request_medium_bytes( |
488 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 489 | { |
c9d45a6b | 490 | bt_self_component *self_comp = msg_it->self_comp; |
fdf0e7a0 PP |
491 | uint8_t *buffer_addr = NULL; |
492 | size_t buffer_sz = 0; | |
5d452e1f | 493 | enum ctf_msg_iter_medium_status m_status; |
e98a2d6e | 494 | |
c9d45a6b FD |
495 | BT_COMP_LOGD("Calling user function (request bytes): msg-it-addr=%p, " |
496 | "request-size=%zu", msg_it, msg_it->medium.max_request_sz); | |
497 | m_status = msg_it->medium.medops.request_bytes( | |
498 | msg_it->medium.max_request_sz, &buffer_addr, | |
499 | &buffer_sz, msg_it->medium.data); | |
e310e6e2 | 500 | BT_COMP_LOGD("User function returned: status=%s, buf-addr=%p, buf-size=%zu", |
5d452e1f | 501 | ctf_msg_iter_medium_status_string(m_status), |
fdf0e7a0 | 502 | buffer_addr, buffer_sz); |
5d452e1f | 503 | if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
8b45963b | 504 | BT_ASSERT(buffer_sz != 0); |
e98a2d6e PP |
505 | |
506 | /* New packet offset is old one + old size (in bits) */ | |
c9d45a6b | 507 | msg_it->buf.packet_offset += buf_size_bits(msg_it); |
e98a2d6e PP |
508 | |
509 | /* Restart at the beginning of the new medium buffer */ | |
c9d45a6b FD |
510 | msg_it->buf.at = 0; |
511 | msg_it->buf.last_eh_at = SIZE_MAX; | |
e98a2d6e PP |
512 | |
513 | /* New medium buffer size */ | |
c9d45a6b | 514 | msg_it->buf.sz = buffer_sz; |
e98a2d6e PP |
515 | |
516 | /* New medium buffer address */ | |
c9d45a6b | 517 | msg_it->buf.addr = buffer_addr; |
fdf0e7a0 | 518 | |
e310e6e2 | 519 | BT_COMP_LOGD("User function returned new bytes: " |
fdf0e7a0 | 520 | "packet-offset=%zu, cur=%zu, size=%zu, addr=%p", |
c9d45a6b FD |
521 | msg_it->buf.packet_offset, msg_it->buf.at, |
522 | msg_it->buf.sz, msg_it->buf.addr); | |
e310e6e2 | 523 | BT_COMP_LOGD_MEM(buffer_addr, buffer_sz, "Returned bytes at %p:", |
fdf0e7a0 | 524 | buffer_addr); |
5d452e1f | 525 | } else if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { |
7116f6c0 PP |
526 | /* |
527 | * User returned end of stream: validate that we're not | |
528 | * in the middle of a packet header, packet context, or | |
529 | * event. | |
530 | */ | |
c9d45a6b FD |
531 | if (msg_it->cur_exp_packet_total_size >= 0) { |
532 | if (packet_at(msg_it) == | |
533 | msg_it->cur_exp_packet_total_size) { | |
42ef5ec2 | 534 | goto end; |
7116f6c0 | 535 | } |
42ef5ec2 | 536 | } else { |
c9d45a6b | 537 | if (packet_at(msg_it) == 0) { |
42ef5ec2 | 538 | goto end; |
7116f6c0 | 539 | } |
7116f6c0 | 540 | |
c9d45a6b FD |
541 | if (msg_it->buf.last_eh_at != SIZE_MAX && |
542 | msg_it->buf.at == msg_it->buf.last_eh_at) { | |
42ef5ec2 | 543 | goto end; |
7116f6c0 PP |
544 | } |
545 | } | |
546 | ||
7116f6c0 | 547 | /* All other states are invalid */ |
0f077192 FD |
548 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
549 | "User function returned %s, but message iterator is in an unexpected state: " | |
42ef5ec2 PP |
550 | "state=%s, cur-packet-size=%" PRId64 ", cur=%zu, " |
551 | "packet-cur=%zu, last-eh-at=%zu", | |
5d452e1f | 552 | ctf_msg_iter_medium_status_string(m_status), |
c9d45a6b FD |
553 | state_string(msg_it->state), |
554 | msg_it->cur_exp_packet_total_size, | |
555 | msg_it->buf.at, packet_at(msg_it), | |
556 | msg_it->buf.last_eh_at); | |
5d452e1f | 557 | m_status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
fdf0e7a0 | 558 | } else if (m_status < 0) { |
0f077192 | 559 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "User function failed: " |
5d452e1f | 560 | "status=%s", ctf_msg_iter_medium_status_string(m_status)); |
e98a2d6e PP |
561 | } |
562 | ||
42ef5ec2 | 563 | end: |
b09a5592 | 564 | return msg_iter_status_from_m_status(m_status); |
e98a2d6e PP |
565 | } |
566 | ||
567 | static inline | |
5d452e1f SM |
568 | enum ctf_msg_iter_status buf_ensure_available_bits( |
569 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 570 | { |
5d452e1f | 571 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 572 | |
c9d45a6b | 573 | if (G_UNLIKELY(buf_available_bits(msg_it) == 0)) { |
e98a2d6e | 574 | /* |
5d452e1f | 575 | * This _cannot_ return CTF_MSG_ITER_STATUS_OK |
e98a2d6e PP |
576 | * _and_ no bits. |
577 | */ | |
c9d45a6b | 578 | status = request_medium_bytes(msg_it); |
e98a2d6e PP |
579 | } |
580 | ||
581 | return status; | |
582 | } | |
583 | ||
584 | static | |
5d452e1f SM |
585 | enum ctf_msg_iter_status read_dscope_begin_state( |
586 | struct ctf_msg_iter *msg_it, | |
939190b3 | 587 | struct ctf_field_class *dscope_fc, |
e98a2d6e | 588 | enum state done_state, enum state continue_state, |
8eee8ea2 | 589 | bt_field *dscope_field) |
e98a2d6e | 590 | { |
5d452e1f | 591 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 592 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 593 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
594 | size_t consumed_bits; |
595 | ||
c9d45a6b FD |
596 | msg_it->cur_dscope_field = dscope_field; |
597 | BT_COMP_LOGT("Starting BFCR: msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p", | |
598 | msg_it, msg_it->bfcr, dscope_fc); | |
599 | consumed_bits = bt_bfcr_start(msg_it->bfcr, dscope_fc, | |
600 | msg_it->buf.addr, msg_it->buf.at, packet_at(msg_it), | |
601 | msg_it->buf.sz, &bfcr_status); | |
c9ecaa78 | 602 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 603 | |
939190b3 PP |
604 | switch (bfcr_status) { |
605 | case BT_BFCR_STATUS_OK: | |
606 | /* Field class was read completely */ | |
c9ecaa78 | 607 | BT_COMP_LOGT_STR("Field was completely decoded."); |
c9d45a6b | 608 | msg_it->state = done_state; |
e98a2d6e | 609 | break; |
939190b3 | 610 | case BT_BFCR_STATUS_EOF: |
c9ecaa78 | 611 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
c9d45a6b | 612 | msg_it->state = continue_state; |
e98a2d6e PP |
613 | break; |
614 | default: | |
0f077192 | 615 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
616 | "BFCR failed to start: msg-it-addr=%p, bfcr-addr=%p, " |
617 | "status=%s", msg_it, msg_it->bfcr, | |
939190b3 | 618 | bt_bfcr_status_string(bfcr_status)); |
5d452e1f | 619 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
620 | goto end; |
621 | } | |
622 | ||
623 | /* Consume bits now since we know we're not in an error state */ | |
c9d45a6b | 624 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
625 | |
626 | end: | |
627 | return status; | |
628 | } | |
629 | ||
630 | static | |
5d452e1f SM |
631 | enum ctf_msg_iter_status read_dscope_continue_state( |
632 | struct ctf_msg_iter *msg_it, enum state done_state) | |
e98a2d6e | 633 | { |
5d452e1f | 634 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 635 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 636 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
637 | size_t consumed_bits; |
638 | ||
c9d45a6b FD |
639 | BT_COMP_LOGT("Continuing BFCR: msg-it-addr=%p, bfcr-addr=%p", |
640 | msg_it, msg_it->bfcr); | |
42ef5ec2 | 641 | |
c9d45a6b | 642 | status = buf_ensure_available_bits(msg_it); |
5d452e1f | 643 | if (status != CTF_MSG_ITER_STATUS_OK) { |
fdf0e7a0 | 644 | if (status < 0) { |
0f077192 FD |
645 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
646 | "Cannot ensure that buffer has at least one byte: " | |
b09a5592 | 647 | "msg-addr=%p, status=%s", |
5d452e1f | 648 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 | 649 | } else { |
c9ecaa78 | 650 | BT_COMP_LOGT("Cannot ensure that buffer has at least one byte: " |
b09a5592 | 651 | "msg-addr=%p, status=%s", |
5d452e1f | 652 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 PP |
653 | } |
654 | ||
e98a2d6e PP |
655 | goto end; |
656 | } | |
657 | ||
c9d45a6b FD |
658 | consumed_bits = bt_bfcr_continue(msg_it->bfcr, msg_it->buf.addr, |
659 | msg_it->buf.sz, &bfcr_status); | |
c9ecaa78 | 660 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 661 | |
939190b3 PP |
662 | switch (bfcr_status) { |
663 | case BT_BFCR_STATUS_OK: | |
78586d8a | 664 | /* Type was read completely. */ |
c9ecaa78 | 665 | BT_COMP_LOGT_STR("Field was completely decoded."); |
c9d45a6b | 666 | msg_it->state = done_state; |
e98a2d6e | 667 | break; |
939190b3 | 668 | case BT_BFCR_STATUS_EOF: |
78586d8a | 669 | /* Stay in this continue state. */ |
c9ecaa78 | 670 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
e98a2d6e PP |
671 | break; |
672 | default: | |
0f077192 | 673 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
674 | "BFCR failed to continue: msg-it-addr=%p, bfcr-addr=%p, " |
675 | "status=%s", msg_it, msg_it->bfcr, | |
939190b3 | 676 | bt_bfcr_status_string(bfcr_status)); |
5d452e1f | 677 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
678 | goto end; |
679 | } | |
680 | ||
78586d8a | 681 | /* Consume bits now since we know we're not in an error state. */ |
c9d45a6b | 682 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
683 | end: |
684 | return status; | |
685 | } | |
686 | ||
687 | static | |
5d452e1f | 688 | void release_event_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 689 | { |
c9d45a6b FD |
690 | msg_it->dscopes.event_common_context = NULL; |
691 | msg_it->dscopes.event_spec_context = NULL; | |
692 | msg_it->dscopes.event_payload = NULL; | |
e98a2d6e PP |
693 | } |
694 | ||
695 | static | |
5d452e1f | 696 | void release_all_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 697 | { |
c9d45a6b | 698 | msg_it->dscopes.stream_packet_context = NULL; |
a6918753 | 699 | |
c9d45a6b FD |
700 | if (msg_it->packet_context_field) { |
701 | bt_packet_context_field_release(msg_it->packet_context_field); | |
702 | msg_it->packet_context_field = NULL; | |
a6918753 PP |
703 | } |
704 | ||
c9d45a6b | 705 | release_event_dscopes(msg_it); |
e98a2d6e PP |
706 | } |
707 | ||
01ed875d | 708 | static |
5d452e1f | 709 | enum ctf_msg_iter_status switch_packet_state(struct ctf_msg_iter *msg_it) |
01ed875d | 710 | { |
148f02cb | 711 | enum ctf_msg_iter_status status; |
c9d45a6b | 712 | bt_self_component *self_comp = msg_it->self_comp; |
01ed875d PP |
713 | |
714 | /* | |
715 | * We don't put the stream class here because we need to make | |
716 | * sure that all the packets processed by the same message | |
717 | * iterator refer to the same stream class (the first one). | |
718 | */ | |
c9d45a6b | 719 | BT_ASSERT(msg_it); |
01ed875d | 720 | |
c9d45a6b FD |
721 | if (msg_it->cur_exp_packet_total_size != -1) { |
722 | msg_it->cur_packet_offset += msg_it->cur_exp_packet_total_size; | |
01ed875d PP |
723 | } |
724 | ||
c9d45a6b FD |
725 | BT_COMP_LOGD("Switching packet: msg-it-addr=%p, cur=%zu, " |
726 | "packet-offset=%" PRId64, msg_it, msg_it->buf.at, | |
727 | msg_it->cur_packet_offset); | |
728 | stack_clear(msg_it->stack); | |
729 | msg_it->meta.ec = NULL; | |
730 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
731 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
732 | release_all_dscopes(msg_it); | |
733 | msg_it->cur_dscope_field = NULL; | |
01ed875d | 734 | |
148f02cb SM |
735 | if (msg_it->medium.medops.switch_packet) { |
736 | enum ctf_msg_iter_medium_status medium_status; | |
737 | ||
738 | medium_status = msg_it->medium.medops.switch_packet(msg_it->medium.data); | |
739 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
740 | /* No more packets. */ | |
741 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END; | |
742 | status = CTF_MSG_ITER_STATUS_OK; | |
743 | goto end; | |
744 | } else if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
745 | status = (int) medium_status; | |
746 | goto end; | |
747 | } | |
748 | ||
749 | /* | |
750 | * After the packet switch, the medium might want to give us a | |
751 | * different buffer for the new packet. | |
752 | */ | |
753 | status = request_medium_bytes(msg_it); | |
754 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
755 | goto end; | |
756 | } | |
757 | } | |
758 | ||
01ed875d PP |
759 | /* |
760 | * Adjust current buffer so that addr points to the beginning of the new | |
761 | * packet. | |
762 | */ | |
c9d45a6b FD |
763 | if (msg_it->buf.addr) { |
764 | size_t consumed_bytes = (size_t) (msg_it->buf.at / CHAR_BIT); | |
01ed875d PP |
765 | |
766 | /* Packets are assumed to start on a byte frontier. */ | |
c9d45a6b | 767 | if (msg_it->buf.at % CHAR_BIT) { |
0f077192 FD |
768 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
769 | "Cannot switch packet: current position is not a multiple of 8: " | |
c9d45a6b | 770 | "msg-it-addr=%p, cur=%zu", msg_it, msg_it->buf.at); |
5d452e1f | 771 | status = CTF_MSG_ITER_STATUS_ERROR; |
01ed875d PP |
772 | goto end; |
773 | } | |
774 | ||
c9d45a6b FD |
775 | msg_it->buf.addr += consumed_bytes; |
776 | msg_it->buf.sz -= consumed_bytes; | |
777 | msg_it->buf.at = 0; | |
778 | msg_it->buf.packet_offset = 0; | |
01ed875d | 779 | BT_COMP_LOGD("Adjusted buffer: addr=%p, size=%zu", |
c9d45a6b | 780 | msg_it->buf.addr, msg_it->buf.sz); |
01ed875d PP |
781 | } |
782 | ||
c9d45a6b FD |
783 | msg_it->cur_exp_packet_content_size = -1; |
784 | msg_it->cur_exp_packet_total_size = -1; | |
785 | msg_it->cur_stream_class_id = -1; | |
786 | msg_it->cur_event_class_id = -1; | |
787 | msg_it->cur_data_stream_id = -1; | |
788 | msg_it->prev_packet_snapshots = msg_it->snapshots; | |
789 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
790 | msg_it->snapshots.packets = UINT64_C(-1); | |
791 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
792 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
793 | msg_it->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
01ed875d | 794 | |
148f02cb | 795 | status = CTF_MSG_ITER_STATUS_OK; |
01ed875d PP |
796 | end: |
797 | return status; | |
798 | } | |
799 | ||
e98a2d6e | 800 | static |
5d452e1f SM |
801 | enum ctf_msg_iter_status read_packet_header_begin_state( |
802 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 803 | { |
939190b3 | 804 | struct ctf_field_class *packet_header_fc = NULL; |
c9d45a6b | 805 | bt_self_component *self_comp = msg_it->self_comp; |
5d452e1f | 806 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 807 | |
bbbd35bf PP |
808 | /* |
809 | * Make sure at least one bit is available for this packet. An | |
810 | * empty packet is impossible. If we reach the end of the medium | |
811 | * at this point, then it's considered the end of the stream. | |
812 | */ | |
c9d45a6b | 813 | status = buf_ensure_available_bits(msg_it); |
977d6cc0 | 814 | switch (status) { |
5d452e1f | 815 | case CTF_MSG_ITER_STATUS_OK: |
bbbd35bf | 816 | break; |
5d452e1f SM |
817 | case CTF_MSG_ITER_STATUS_EOF: |
818 | status = CTF_MSG_ITER_STATUS_OK; | |
c9d45a6b | 819 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END; |
bbbd35bf PP |
820 | goto end; |
821 | default: | |
822 | goto end; | |
823 | } | |
824 | ||
10b7a2e4 | 825 | /* Packet header class is common to the whole trace class. */ |
c9d45a6b | 826 | packet_header_fc = msg_it->meta.tc->packet_header_fc; |
939190b3 | 827 | if (!packet_header_fc) { |
c9d45a6b | 828 | msg_it->state = STATE_AFTER_TRACE_PACKET_HEADER; |
e98a2d6e PP |
829 | goto end; |
830 | } | |
831 | ||
c9d45a6b FD |
832 | msg_it->cur_stream_class_id = -1; |
833 | msg_it->cur_event_class_id = -1; | |
834 | msg_it->cur_data_stream_id = -1; | |
e310e6e2 | 835 | BT_COMP_LOGD("Decoding packet header field:" |
c9d45a6b FD |
836 | "msg-it-addr=%p, trace-class-addr=%p, fc-addr=%p", |
837 | msg_it, msg_it->meta.tc, packet_header_fc); | |
838 | status = read_dscope_begin_state(msg_it, packet_header_fc, | |
fdf0e7a0 | 839 | STATE_AFTER_TRACE_PACKET_HEADER, |
0476f6f7 | 840 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, NULL); |
977d6cc0 | 841 | if (status < 0) { |
0f077192 FD |
842 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
843 | "Cannot decode packet header field: " | |
c9d45a6b | 844 | "msg-it-addr=%p, trace-class-addr=%p, " |
10b7a2e4 | 845 | "fc-addr=%p", |
c9d45a6b | 846 | msg_it, msg_it->meta.tc, packet_header_fc); |
fdf0e7a0 | 847 | } |
b8418c69 | 848 | |
e98a2d6e | 849 | end: |
977d6cc0 | 850 | return status; |
e98a2d6e PP |
851 | } |
852 | ||
853 | static | |
5d452e1f SM |
854 | enum ctf_msg_iter_status read_packet_header_continue_state( |
855 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 856 | { |
c9d45a6b | 857 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 858 | STATE_AFTER_TRACE_PACKET_HEADER); |
5f870343 JG |
859 | } |
860 | ||
e98a2d6e | 861 | static inline |
5d452e1f | 862 | enum ctf_msg_iter_status set_current_stream_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 863 | { |
5d452e1f | 864 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 865 | bt_self_component *self_comp = msg_it->self_comp; |
7b33a0e0 PP |
866 | struct ctf_stream_class *new_stream_class = NULL; |
867 | ||
c9d45a6b | 868 | if (msg_it->cur_stream_class_id == -1) { |
fdf0e7a0 | 869 | /* |
7b33a0e0 PP |
870 | * No current stream class ID field, therefore only one |
871 | * stream class. | |
fdf0e7a0 | 872 | */ |
c9d45a6b | 873 | if (msg_it->meta.tc->stream_classes->len != 1) { |
0f077192 FD |
874 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
875 | "Need exactly one stream class since there's " | |
7b33a0e0 | 876 | "no stream class ID field: " |
c9d45a6b | 877 | "msg-it-addr=%p", msg_it); |
5d452e1f | 878 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 PP |
879 | goto end; |
880 | } | |
e98a2d6e | 881 | |
c9d45a6b FD |
882 | new_stream_class = msg_it->meta.tc->stream_classes->pdata[0]; |
883 | msg_it->cur_stream_class_id = new_stream_class->id; | |
e98a2d6e PP |
884 | } |
885 | ||
7b33a0e0 | 886 | new_stream_class = ctf_trace_class_borrow_stream_class_by_id( |
c9d45a6b | 887 | msg_it->meta.tc, msg_it->cur_stream_class_id); |
c937c615 | 888 | if (!new_stream_class) { |
0f077192 FD |
889 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
890 | "No stream class with ID of stream class ID to use in trace class: " | |
c9d45a6b | 891 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
10b7a2e4 | 892 | "trace-class-addr=%p", |
c9d45a6b | 893 | msg_it, msg_it->cur_stream_class_id, msg_it->meta.tc); |
5d452e1f | 894 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
895 | goto end; |
896 | } | |
897 | ||
c9d45a6b FD |
898 | if (msg_it->meta.sc) { |
899 | if (new_stream_class != msg_it->meta.sc) { | |
0f077192 FD |
900 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
901 | "Two packets refer to two different stream classes within the same packet sequence: " | |
c9d45a6b | 902 | "msg-it-addr=%p, prev-stream-class-addr=%p, " |
c937c615 PP |
903 | "prev-stream-class-id=%" PRId64 ", " |
904 | "next-stream-class-addr=%p, " | |
c937c615 | 905 | "next-stream-class-id=%" PRId64 ", " |
10b7a2e4 | 906 | "trace-addr=%p", |
c9d45a6b FD |
907 | msg_it, msg_it->meta.sc, |
908 | msg_it->meta.sc->id, | |
c937c615 | 909 | new_stream_class, |
7b33a0e0 | 910 | new_stream_class->id, |
c9d45a6b | 911 | msg_it->meta.tc); |
5d452e1f | 912 | status = CTF_MSG_ITER_STATUS_ERROR; |
c937c615 PP |
913 | goto end; |
914 | } | |
915 | } else { | |
c9d45a6b | 916 | msg_it->meta.sc = new_stream_class; |
c937c615 PP |
917 | } |
918 | ||
e310e6e2 | 919 | BT_COMP_LOGD("Set current stream class: " |
c9d45a6b | 920 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 921 | "stream-class-id=%" PRId64, |
c9d45a6b | 922 | msg_it, msg_it->meta.sc, msg_it->meta.sc->id); |
b8418c69 | 923 | |
e98a2d6e | 924 | end: |
e98a2d6e PP |
925 | return status; |
926 | } | |
927 | ||
a6918753 | 928 | static inline |
5d452e1f | 929 | enum ctf_msg_iter_status set_current_stream(struct ctf_msg_iter *msg_it) |
a6918753 | 930 | { |
5d452e1f | 931 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 932 | bt_self_component *self_comp = msg_it->self_comp; |
8eee8ea2 | 933 | bt_stream *stream = NULL; |
a6918753 | 934 | |
c9d45a6b | 935 | BT_COMP_LOGD("Calling user function (get stream): msg-it-addr=%p, " |
7b33a0e0 | 936 | "stream-class-addr=%p, stream-class-id=%" PRId64, |
c9d45a6b FD |
937 | msg_it, msg_it->meta.sc, |
938 | msg_it->meta.sc->id); | |
939 | stream = msg_it->medium.medops.borrow_stream( | |
940 | msg_it->meta.sc->ir_sc, msg_it->cur_data_stream_id, | |
941 | msg_it->medium.data); | |
8c6884d9 | 942 | bt_stream_get_ref(stream); |
e310e6e2 | 943 | BT_COMP_LOGD("User function returned: stream-addr=%p", stream); |
a6918753 | 944 | if (!stream) { |
0f077192 FD |
945 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
946 | "User function failed to return a stream object for the given stream class."); | |
5d452e1f | 947 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
948 | goto end; |
949 | } | |
950 | ||
c9d45a6b | 951 | if (msg_it->stream && stream != msg_it->stream) { |
0f077192 FD |
952 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
953 | "User function returned a different stream than the previous one for the same sequence of packets."); | |
5d452e1f | 954 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
955 | goto end; |
956 | } | |
957 | ||
c9d45a6b | 958 | BT_STREAM_MOVE_REF(msg_it->stream, stream); |
a6918753 PP |
959 | |
960 | end: | |
8c6884d9 | 961 | bt_stream_put_ref(stream); |
a6918753 PP |
962 | return status; |
963 | } | |
964 | ||
965 | static inline | |
5d452e1f | 966 | enum ctf_msg_iter_status set_current_packet(struct ctf_msg_iter *msg_it) |
a6918753 | 967 | { |
5d452e1f | 968 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 969 | bt_self_component *self_comp = msg_it->self_comp; |
8eee8ea2 | 970 | bt_packet *packet = NULL; |
a6918753 | 971 | |
e310e6e2 | 972 | BT_COMP_LOGD("Creating packet from stream: " |
c9d45a6b | 973 | "msg-it-addr=%p, stream-addr=%p, " |
a6918753 | 974 | "stream-class-addr=%p, " |
a6918753 | 975 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
976 | msg_it, msg_it->stream, msg_it->meta.sc, |
977 | msg_it->meta.sc->id); | |
a6918753 PP |
978 | |
979 | /* Create packet */ | |
c9d45a6b FD |
980 | BT_ASSERT(msg_it->stream); |
981 | packet = bt_packet_create(msg_it->stream); | |
a6918753 | 982 | if (!packet) { |
0f077192 FD |
983 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
984 | "Cannot create packet from stream: " | |
c9d45a6b | 985 | "msg-it-addr=%p, stream-addr=%p, " |
a6918753 | 986 | "stream-class-addr=%p, " |
a6918753 | 987 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
988 | msg_it, msg_it->stream, msg_it->meta.sc, |
989 | msg_it->meta.sc->id); | |
a6918753 PP |
990 | goto error; |
991 | } | |
992 | ||
993 | goto end; | |
994 | ||
995 | error: | |
8c6884d9 | 996 | BT_PACKET_PUT_REF_AND_RESET(packet); |
5d452e1f | 997 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
998 | |
999 | end: | |
c9d45a6b | 1000 | BT_PACKET_MOVE_REF(msg_it->packet, packet); |
a6918753 PP |
1001 | return status; |
1002 | } | |
1003 | ||
e98a2d6e | 1004 | static |
5d452e1f SM |
1005 | enum ctf_msg_iter_status after_packet_header_state( |
1006 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1007 | { |
5d452e1f | 1008 | enum ctf_msg_iter_status status; |
e98a2d6e | 1009 | |
c9d45a6b | 1010 | status = set_current_stream_class(msg_it); |
5d452e1f | 1011 | if (status != CTF_MSG_ITER_STATUS_OK) { |
a6918753 | 1012 | goto end; |
e98a2d6e PP |
1013 | } |
1014 | ||
c9d45a6b | 1015 | msg_it->state = STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN; |
a6918753 PP |
1016 | |
1017 | end: | |
e98a2d6e PP |
1018 | return status; |
1019 | } | |
1020 | ||
1021 | static | |
5d452e1f SM |
1022 | enum ctf_msg_iter_status read_packet_context_begin_state( |
1023 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1024 | { |
5d452e1f | 1025 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1026 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1027 | struct ctf_field_class *packet_context_fc; |
e98a2d6e | 1028 | |
c9d45a6b FD |
1029 | BT_ASSERT(msg_it->meta.sc); |
1030 | packet_context_fc = msg_it->meta.sc->packet_context_fc; | |
939190b3 | 1031 | if (!packet_context_fc) { |
e310e6e2 | 1032 | BT_COMP_LOGD("No packet packet context field class in stream class: continuing: " |
c9d45a6b | 1033 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1034 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
1035 | msg_it, msg_it->meta.sc, |
1036 | msg_it->meta.sc->id); | |
1037 | msg_it->state = STATE_AFTER_STREAM_PACKET_CONTEXT; | |
e98a2d6e PP |
1038 | goto end; |
1039 | } | |
1040 | ||
c9d45a6b | 1041 | BT_ASSERT(!msg_it->packet_context_field); |
7b33a0e0 | 1042 | |
c9d45a6b | 1043 | if (packet_context_fc->in_ir && !msg_it->dry_run) { |
7b33a0e0 PP |
1044 | /* |
1045 | * Create free packet context field from stream class. | |
1046 | * This field is going to be moved to the packet once we | |
1047 | * create it. We cannot create the packet now because a | |
1048 | * packet is created from a stream, and this API must be | |
0476f6f7 PP |
1049 | * able to return the packet context properties without |
1050 | * creating a stream | |
5d452e1f | 1051 | * (ctf_msg_iter_get_packet_properties()). |
7b33a0e0 | 1052 | */ |
c9d45a6b | 1053 | msg_it->packet_context_field = |
78cf9df6 | 1054 | bt_packet_context_field_create( |
c9d45a6b FD |
1055 | msg_it->meta.sc->ir_sc); |
1056 | if (!msg_it->packet_context_field) { | |
0f077192 FD |
1057 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1058 | "Cannot create packet context field wrapper from stream class."); | |
5d452e1f | 1059 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 PP |
1060 | goto end; |
1061 | } | |
1062 | ||
c9d45a6b | 1063 | msg_it->dscopes.stream_packet_context = |
78cf9df6 | 1064 | bt_packet_context_field_borrow_field( |
c9d45a6b FD |
1065 | msg_it->packet_context_field); |
1066 | BT_ASSERT(msg_it->dscopes.stream_packet_context); | |
a6918753 PP |
1067 | } |
1068 | ||
e310e6e2 | 1069 | BT_COMP_LOGD("Decoding packet context field: " |
c9d45a6b | 1070 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1071 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1072 | msg_it, msg_it->meta.sc, |
1073 | msg_it->meta.sc->id, packet_context_fc); | |
1074 | status = read_dscope_begin_state(msg_it, packet_context_fc, | |
fdf0e7a0 PP |
1075 | STATE_AFTER_STREAM_PACKET_CONTEXT, |
1076 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
c9d45a6b | 1077 | msg_it->dscopes.stream_packet_context); |
fdf0e7a0 | 1078 | if (status < 0) { |
0f077192 FD |
1079 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1080 | "Cannot decode packet context field: " | |
c9d45a6b | 1081 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1082 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1083 | msg_it, msg_it->meta.sc, |
1084 | msg_it->meta.sc->id, | |
939190b3 | 1085 | packet_context_fc); |
fdf0e7a0 | 1086 | } |
e98a2d6e PP |
1087 | |
1088 | end: | |
e98a2d6e PP |
1089 | return status; |
1090 | } | |
1091 | ||
1092 | static | |
5d452e1f SM |
1093 | enum ctf_msg_iter_status read_packet_context_continue_state( |
1094 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1095 | { |
c9d45a6b | 1096 | return read_dscope_continue_state(msg_it, |
78586d8a | 1097 | STATE_AFTER_STREAM_PACKET_CONTEXT); |
e98a2d6e PP |
1098 | } |
1099 | ||
78586d8a | 1100 | static |
5d452e1f SM |
1101 | enum ctf_msg_iter_status set_current_packet_content_sizes( |
1102 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1103 | { |
5d452e1f | 1104 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1105 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1106 | |
c9d45a6b FD |
1107 | if (msg_it->cur_exp_packet_total_size == -1) { |
1108 | if (msg_it->cur_exp_packet_content_size != -1) { | |
1109 | msg_it->cur_exp_packet_total_size = | |
1110 | msg_it->cur_exp_packet_content_size; | |
e98a2d6e | 1111 | } |
e98a2d6e | 1112 | } else { |
c9d45a6b FD |
1113 | if (msg_it->cur_exp_packet_content_size == -1) { |
1114 | msg_it->cur_exp_packet_content_size = | |
1115 | msg_it->cur_exp_packet_total_size; | |
7b33a0e0 | 1116 | } |
e98a2d6e PP |
1117 | } |
1118 | ||
c9d45a6b FD |
1119 | BT_ASSERT((msg_it->cur_exp_packet_total_size >= 0 && |
1120 | msg_it->cur_exp_packet_content_size >= 0) || | |
1121 | (msg_it->cur_exp_packet_total_size < 0 && | |
1122 | msg_it->cur_exp_packet_content_size < 0)); | |
ab03d3fb | 1123 | |
c9d45a6b FD |
1124 | if (msg_it->cur_exp_packet_content_size > |
1125 | msg_it->cur_exp_packet_total_size) { | |
0f077192 FD |
1126 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1127 | "Invalid packet or content size: " | |
7b33a0e0 | 1128 | "content size is greater than packet size: " |
c9d45a6b | 1129 | "msg-it-addr=%p, packet-context-field-addr=%p, " |
7b33a0e0 | 1130 | "packet-size=%" PRId64 ", content-size=%" PRId64, |
c9d45a6b FD |
1131 | msg_it, msg_it->dscopes.stream_packet_context, |
1132 | msg_it->cur_exp_packet_total_size, | |
1133 | msg_it->cur_exp_packet_content_size); | |
5d452e1f | 1134 | status = CTF_MSG_ITER_STATUS_ERROR; |
fdf0e7a0 PP |
1135 | goto end; |
1136 | } | |
1137 | ||
e310e6e2 | 1138 | BT_COMP_LOGD("Set current packet and content sizes: " |
c9d45a6b FD |
1139 | "msg-it-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, |
1140 | msg_it, msg_it->cur_exp_packet_total_size, | |
1141 | msg_it->cur_exp_packet_content_size); | |
bbbd35bf | 1142 | |
e98a2d6e | 1143 | end: |
e98a2d6e PP |
1144 | return status; |
1145 | } | |
1146 | ||
1147 | static | |
5d452e1f | 1148 | enum ctf_msg_iter_status after_packet_context_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1149 | { |
5d452e1f | 1150 | enum ctf_msg_iter_status status; |
e98a2d6e | 1151 | |
c9d45a6b | 1152 | status = set_current_packet_content_sizes(msg_it); |
5d452e1f | 1153 | if (status != CTF_MSG_ITER_STATUS_OK) { |
8fc063a2 PP |
1154 | goto end; |
1155 | } | |
1156 | ||
c9d45a6b | 1157 | if (msg_it->stream) { |
bbbd35bf PP |
1158 | /* |
1159 | * Stream exists, which means we already emitted at | |
1160 | * least one packet beginning message, so the initial | |
1161 | * stream beginning message was also emitted. | |
1162 | */ | |
c9d45a6b | 1163 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
8fc063a2 | 1164 | } else { |
c9d45a6b | 1165 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_BEGINNING; |
e98a2d6e PP |
1166 | } |
1167 | ||
8fc063a2 | 1168 | end: |
e98a2d6e PP |
1169 | return status; |
1170 | } | |
1171 | ||
1172 | static | |
5d452e1f | 1173 | enum ctf_msg_iter_status read_event_header_begin_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1174 | { |
5d452e1f | 1175 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1176 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1177 | struct ctf_field_class *event_header_fc = NULL; |
e98a2d6e | 1178 | |
9b876b7b | 1179 | /* Reset the position of the last event header */ |
c9d45a6b FD |
1180 | msg_it->buf.last_eh_at = msg_it->buf.at; |
1181 | msg_it->cur_event_class_id = -1; | |
9b876b7b | 1182 | |
e98a2d6e | 1183 | /* Check if we have some content left */ |
c9d45a6b FD |
1184 | if (msg_it->cur_exp_packet_content_size >= 0) { |
1185 | if (G_UNLIKELY(packet_at(msg_it) == | |
1186 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1187 | /* No more events! */ |
c9d45a6b FD |
1188 | BT_COMP_LOGD("Reached end of packet: msg-it-addr=%p, " |
1189 | "cur=%zu", msg_it, packet_at(msg_it)); | |
1190 | msg_it->state = STATE_EMIT_MSG_PACKET_END_MULTI; | |
e98a2d6e | 1191 | goto end; |
c9d45a6b FD |
1192 | } else if (G_UNLIKELY(packet_at(msg_it) > |
1193 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1194 | /* That's not supposed to happen */ |
e310e6e2 | 1195 | BT_COMP_LOGD("Before decoding event header field: cursor is passed the packet's content: " |
c9d45a6b FD |
1196 | "msg-it-addr=%p, content-size=%" PRId64 ", " |
1197 | "cur=%zu", msg_it, | |
1198 | msg_it->cur_exp_packet_content_size, | |
1199 | packet_at(msg_it)); | |
5d452e1f | 1200 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1201 | goto end; |
1202 | } | |
7b33a0e0 PP |
1203 | } else { |
1204 | /* | |
1205 | * "Infinite" content: we're done when the medium has | |
1206 | * nothing else for us. | |
1207 | */ | |
c9d45a6b | 1208 | status = buf_ensure_available_bits(msg_it); |
bbbd35bf | 1209 | switch (status) { |
5d452e1f | 1210 | case CTF_MSG_ITER_STATUS_OK: |
bbbd35bf | 1211 | break; |
5d452e1f SM |
1212 | case CTF_MSG_ITER_STATUS_EOF: |
1213 | status = CTF_MSG_ITER_STATUS_OK; | |
c9d45a6b | 1214 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
bbbd35bf PP |
1215 | goto end; |
1216 | default: | |
7b33a0e0 PP |
1217 | goto end; |
1218 | } | |
e98a2d6e PP |
1219 | } |
1220 | ||
c9d45a6b FD |
1221 | release_event_dscopes(msg_it); |
1222 | BT_ASSERT(msg_it->meta.sc); | |
1223 | event_header_fc = msg_it->meta.sc->event_header_fc; | |
939190b3 | 1224 | if (!event_header_fc) { |
c9d45a6b | 1225 | msg_it->state = STATE_AFTER_EVENT_HEADER; |
e98a2d6e PP |
1226 | goto end; |
1227 | } | |
1228 | ||
e310e6e2 | 1229 | BT_COMP_LOGD("Decoding event header field: " |
c9d45a6b | 1230 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1231 | "stream-class-id=%" PRId64 ", " |
939190b3 | 1232 | "fc-addr=%p", |
c9d45a6b FD |
1233 | msg_it, msg_it->meta.sc, |
1234 | msg_it->meta.sc->id, | |
939190b3 | 1235 | event_header_fc); |
c9d45a6b | 1236 | status = read_dscope_begin_state(msg_it, event_header_fc, |
7b33a0e0 | 1237 | STATE_AFTER_EVENT_HEADER, |
0476f6f7 | 1238 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, NULL); |
fdf0e7a0 | 1239 | if (status < 0) { |
0f077192 FD |
1240 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1241 | "Cannot decode event header field: " | |
c9d45a6b | 1242 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1243 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1244 | msg_it, msg_it->meta.sc, |
1245 | msg_it->meta.sc->id, | |
939190b3 | 1246 | event_header_fc); |
fdf0e7a0 | 1247 | } |
e98a2d6e | 1248 | |
b8418c69 | 1249 | end: |
e98a2d6e PP |
1250 | return status; |
1251 | } | |
1252 | ||
1253 | static | |
5d452e1f SM |
1254 | enum ctf_msg_iter_status read_event_header_continue_state( |
1255 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1256 | { |
c9d45a6b | 1257 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 1258 | STATE_AFTER_EVENT_HEADER); |
e98a2d6e PP |
1259 | } |
1260 | ||
1261 | static inline | |
5d452e1f | 1262 | enum ctf_msg_iter_status set_current_event_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1263 | { |
5d452e1f | 1264 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1265 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1266 | |
7b33a0e0 | 1267 | struct ctf_event_class *new_event_class = NULL; |
e98a2d6e | 1268 | |
c9d45a6b | 1269 | if (msg_it->cur_event_class_id == -1) { |
e98a2d6e | 1270 | /* |
7b33a0e0 PP |
1271 | * No current event class ID field, therefore only one |
1272 | * event class. | |
e98a2d6e | 1273 | */ |
c9d45a6b | 1274 | if (msg_it->meta.sc->event_classes->len != 1) { |
0f077192 FD |
1275 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1276 | "Need exactly one event class since there's no event class ID field: " | |
c9d45a6b | 1277 | "msg-it-addr=%p", msg_it); |
5d452e1f | 1278 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 | 1279 | goto end; |
fdf0e7a0 | 1280 | } |
e98a2d6e | 1281 | |
c9d45a6b FD |
1282 | new_event_class = msg_it->meta.sc->event_classes->pdata[0]; |
1283 | msg_it->cur_event_class_id = new_event_class->id; | |
e98a2d6e PP |
1284 | } |
1285 | ||
7b33a0e0 | 1286 | new_event_class = ctf_stream_class_borrow_event_class_by_id( |
c9d45a6b | 1287 | msg_it->meta.sc, msg_it->cur_event_class_id); |
7b33a0e0 | 1288 | if (!new_event_class) { |
0f077192 FD |
1289 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1290 | "No event class with ID of event class ID to use in stream class: " | |
c9d45a6b | 1291 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
7b33a0e0 | 1292 | "event-class-id=%" PRIu64 ", " |
10b7a2e4 | 1293 | "trace-class-addr=%p", |
c9d45a6b FD |
1294 | msg_it, msg_it->meta.sc->id, msg_it->cur_event_class_id, |
1295 | msg_it->meta.tc); | |
5d452e1f | 1296 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1297 | goto end; |
1298 | } | |
1299 | ||
c9d45a6b | 1300 | msg_it->meta.ec = new_event_class; |
e310e6e2 | 1301 | BT_COMP_LOGD("Set current event class: " |
c9d45a6b | 1302 | "msg-it-addr=%p, event-class-addr=%p, " |
7b33a0e0 PP |
1303 | "event-class-id=%" PRId64 ", " |
1304 | "event-class-name=\"%s\"", | |
c9d45a6b FD |
1305 | msg_it, msg_it->meta.ec, msg_it->meta.ec->id, |
1306 | msg_it->meta.ec->name->str); | |
fdf0e7a0 | 1307 | |
e98a2d6e | 1308 | end: |
e98a2d6e PP |
1309 | return status; |
1310 | } | |
1311 | ||
a6918753 | 1312 | static inline |
5d452e1f SM |
1313 | enum ctf_msg_iter_status set_current_event_message( |
1314 | struct ctf_msg_iter *msg_it) | |
a6918753 | 1315 | { |
5d452e1f | 1316 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1317 | bt_self_component *self_comp = msg_it->self_comp; |
b09a5592 | 1318 | bt_message *msg = NULL; |
a6918753 | 1319 | |
c9d45a6b FD |
1320 | BT_ASSERT_DBG(msg_it->meta.ec); |
1321 | BT_ASSERT_DBG(msg_it->packet); | |
e310e6e2 | 1322 | BT_COMP_LOGD("Creating event message from event class and packet: " |
c9d45a6b FD |
1323 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", packet-addr=%p", |
1324 | msg_it, msg_it->meta.ec, | |
1325 | msg_it->meta.ec->name->str, | |
1326 | msg_it->packet); | |
6c7642c2 | 1327 | BT_ASSERT_DBG(msg_it->self_msg_iter); |
c9d45a6b FD |
1328 | BT_ASSERT_DBG(msg_it->meta.sc); |
1329 | ||
1330 | if (bt_stream_class_borrow_default_clock_class(msg_it->meta.sc->ir_sc)) { | |
37a93d41 | 1331 | msg = bt_message_event_create_with_packet_and_default_clock_snapshot( |
6c7642c2 | 1332 | msg_it->self_msg_iter, msg_it->meta.ec->ir_ec, |
c9d45a6b | 1333 | msg_it->packet, msg_it->default_clock_snapshot); |
9c04b633 | 1334 | } else { |
6c7642c2 | 1335 | msg = bt_message_event_create_with_packet(msg_it->self_msg_iter, |
c9d45a6b | 1336 | msg_it->meta.ec->ir_ec, msg_it->packet); |
9c04b633 PP |
1337 | } |
1338 | ||
b09a5592 | 1339 | if (!msg) { |
0f077192 FD |
1340 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1341 | "Cannot create event message: " | |
c9d45a6b | 1342 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", " |
a6918753 | 1343 | "packet-addr=%p", |
c9d45a6b FD |
1344 | msg_it, msg_it->meta.ec, |
1345 | msg_it->meta.ec->name->str, | |
1346 | msg_it->packet); | |
a6918753 PP |
1347 | goto error; |
1348 | } | |
1349 | ||
1350 | goto end; | |
1351 | ||
1352 | error: | |
b09a5592 | 1353 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
5d452e1f | 1354 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
1355 | |
1356 | end: | |
c9d45a6b | 1357 | BT_MESSAGE_MOVE_REF(msg_it->event_msg, msg); |
a6918753 PP |
1358 | return status; |
1359 | } | |
1360 | ||
e98a2d6e | 1361 | static |
5d452e1f SM |
1362 | enum ctf_msg_iter_status after_event_header_state( |
1363 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1364 | { |
5d452e1f | 1365 | enum ctf_msg_iter_status status; |
e98a2d6e | 1366 | |
c9d45a6b | 1367 | status = set_current_event_class(msg_it); |
5d452e1f | 1368 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1369 | goto end; |
1370 | } | |
1371 | ||
c9d45a6b | 1372 | if (G_UNLIKELY(msg_it->dry_run)) { |
8482a078 FD |
1373 | goto next_state; |
1374 | } | |
1375 | ||
c9d45a6b | 1376 | status = set_current_event_message(msg_it); |
5d452e1f | 1377 | if (status != CTF_MSG_ITER_STATUS_OK) { |
a6918753 PP |
1378 | goto end; |
1379 | } | |
1380 | ||
c9d45a6b FD |
1381 | msg_it->event = bt_message_event_borrow_event( |
1382 | msg_it->event_msg); | |
1383 | BT_ASSERT_DBG(msg_it->event); | |
8482a078 FD |
1384 | |
1385 | next_state: | |
c9d45a6b | 1386 | msg_it->state = STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN; |
e98a2d6e PP |
1387 | |
1388 | end: | |
1389 | return status; | |
1390 | } | |
1391 | ||
1392 | static | |
5d452e1f SM |
1393 | enum ctf_msg_iter_status read_event_common_context_begin_state( |
1394 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1395 | { |
5d452e1f | 1396 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1397 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1398 | struct ctf_field_class *event_common_context_fc; |
e98a2d6e | 1399 | |
c9d45a6b | 1400 | event_common_context_fc = msg_it->meta.sc->event_common_context_fc; |
939190b3 | 1401 | if (!event_common_context_fc) { |
c9d45a6b | 1402 | msg_it->state = STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN; |
e98a2d6e PP |
1403 | goto end; |
1404 | } | |
1405 | ||
c9d45a6b FD |
1406 | if (event_common_context_fc->in_ir && !msg_it->dry_run) { |
1407 | BT_ASSERT_DBG(!msg_it->dscopes.event_common_context); | |
1408 | msg_it->dscopes.event_common_context = | |
78cf9df6 | 1409 | bt_event_borrow_common_context_field( |
c9d45a6b FD |
1410 | msg_it->event); |
1411 | BT_ASSERT_DBG(msg_it->dscopes.event_common_context); | |
7b33a0e0 PP |
1412 | } |
1413 | ||
c9ecaa78 | 1414 | BT_COMP_LOGT("Decoding event common context field: " |
c9d45a6b | 1415 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1416 | "stream-class-id=%" PRId64 ", " |
939190b3 | 1417 | "fc-addr=%p", |
c9d45a6b FD |
1418 | msg_it, msg_it->meta.sc, |
1419 | msg_it->meta.sc->id, | |
939190b3 | 1420 | event_common_context_fc); |
c9d45a6b | 1421 | status = read_dscope_begin_state(msg_it, event_common_context_fc, |
7b33a0e0 PP |
1422 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, |
1423 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
c9d45a6b | 1424 | msg_it->dscopes.event_common_context); |
fdf0e7a0 | 1425 | if (status < 0) { |
0f077192 FD |
1426 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1427 | "Cannot decode event common context field: " | |
c9d45a6b | 1428 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1429 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1430 | msg_it, msg_it->meta.sc, |
1431 | msg_it->meta.sc->id, | |
939190b3 | 1432 | event_common_context_fc); |
fdf0e7a0 | 1433 | } |
e98a2d6e PP |
1434 | |
1435 | end: | |
e98a2d6e PP |
1436 | return status; |
1437 | } | |
1438 | ||
1439 | static | |
5d452e1f SM |
1440 | enum ctf_msg_iter_status read_event_common_context_continue_state( |
1441 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1442 | { |
c9d45a6b | 1443 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 1444 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN); |
e98a2d6e PP |
1445 | } |
1446 | ||
1447 | static | |
5d452e1f SM |
1448 | enum ctf_msg_iter_status read_event_spec_context_begin_state( |
1449 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1450 | { |
5d452e1f | 1451 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1452 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1453 | struct ctf_field_class *event_spec_context_fc; |
e98a2d6e | 1454 | |
c9d45a6b | 1455 | event_spec_context_fc = msg_it->meta.ec->spec_context_fc; |
939190b3 | 1456 | if (!event_spec_context_fc) { |
c9d45a6b | 1457 | msg_it->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1458 | goto end; |
1459 | } | |
fdf0e7a0 | 1460 | |
c9d45a6b FD |
1461 | if (event_spec_context_fc->in_ir && !msg_it->dry_run) { |
1462 | BT_ASSERT_DBG(!msg_it->dscopes.event_spec_context); | |
1463 | msg_it->dscopes.event_spec_context = | |
78cf9df6 | 1464 | bt_event_borrow_specific_context_field( |
c9d45a6b FD |
1465 | msg_it->event); |
1466 | BT_ASSERT_DBG(msg_it->dscopes.event_spec_context); | |
7b33a0e0 PP |
1467 | } |
1468 | ||
c9ecaa78 | 1469 | BT_COMP_LOGT("Decoding event specific context field: " |
c9d45a6b | 1470 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1471 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
939190b3 | 1472 | "fc-addr=%p", |
c9d45a6b FD |
1473 | msg_it, msg_it->meta.ec, |
1474 | msg_it->meta.ec->name->str, | |
1475 | msg_it->meta.ec->id, | |
939190b3 | 1476 | event_spec_context_fc); |
c9d45a6b | 1477 | status = read_dscope_begin_state(msg_it, event_spec_context_fc, |
e98a2d6e | 1478 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
7b33a0e0 | 1479 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, |
c9d45a6b | 1480 | msg_it->dscopes.event_spec_context); |
fdf0e7a0 | 1481 | if (status < 0) { |
0f077192 FD |
1482 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1483 | "Cannot decode event specific context field: " | |
c9d45a6b | 1484 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1485 | "event-class-name=\"%s\", " |
939190b3 | 1486 | "event-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1487 | msg_it, msg_it->meta.ec, |
1488 | msg_it->meta.ec->name->str, | |
1489 | msg_it->meta.ec->id, | |
939190b3 | 1490 | event_spec_context_fc); |
fdf0e7a0 | 1491 | } |
e98a2d6e PP |
1492 | |
1493 | end: | |
e98a2d6e PP |
1494 | return status; |
1495 | } | |
1496 | ||
1497 | static | |
5d452e1f SM |
1498 | enum ctf_msg_iter_status read_event_spec_context_continue_state( |
1499 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1500 | { |
c9d45a6b | 1501 | return read_dscope_continue_state(msg_it, |
e98a2d6e PP |
1502 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); |
1503 | } | |
1504 | ||
1505 | static | |
5d452e1f SM |
1506 | enum ctf_msg_iter_status read_event_payload_begin_state( |
1507 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1508 | { |
5d452e1f | 1509 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1510 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1511 | struct ctf_field_class *event_payload_fc; |
e98a2d6e | 1512 | |
c9d45a6b | 1513 | event_payload_fc = msg_it->meta.ec->payload_fc; |
939190b3 | 1514 | if (!event_payload_fc) { |
c9d45a6b | 1515 | msg_it->state = STATE_EMIT_MSG_EVENT; |
e98a2d6e PP |
1516 | goto end; |
1517 | } | |
1518 | ||
c9d45a6b FD |
1519 | if (event_payload_fc->in_ir && !msg_it->dry_run) { |
1520 | BT_ASSERT_DBG(!msg_it->dscopes.event_payload); | |
1521 | msg_it->dscopes.event_payload = | |
78cf9df6 | 1522 | bt_event_borrow_payload_field( |
c9d45a6b FD |
1523 | msg_it->event); |
1524 | BT_ASSERT_DBG(msg_it->dscopes.event_payload); | |
7b33a0e0 PP |
1525 | } |
1526 | ||
c9ecaa78 | 1527 | BT_COMP_LOGT("Decoding event payload field: " |
c9d45a6b | 1528 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1529 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
939190b3 | 1530 | "fc-addr=%p", |
c9d45a6b FD |
1531 | msg_it, msg_it->meta.ec, |
1532 | msg_it->meta.ec->name->str, | |
1533 | msg_it->meta.ec->id, | |
939190b3 | 1534 | event_payload_fc); |
c9d45a6b | 1535 | status = read_dscope_begin_state(msg_it, event_payload_fc, |
b09a5592 | 1536 | STATE_EMIT_MSG_EVENT, |
e98a2d6e | 1537 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, |
c9d45a6b | 1538 | msg_it->dscopes.event_payload); |
fdf0e7a0 | 1539 | if (status < 0) { |
0f077192 FD |
1540 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1541 | "Cannot decode event payload field: " | |
c9d45a6b | 1542 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1543 | "event-class-name=\"%s\", " |
939190b3 | 1544 | "event-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1545 | msg_it, msg_it->meta.ec, |
1546 | msg_it->meta.ec->name->str, | |
1547 | msg_it->meta.ec->id, | |
939190b3 | 1548 | event_payload_fc); |
fdf0e7a0 | 1549 | } |
e98a2d6e PP |
1550 | |
1551 | end: | |
e98a2d6e PP |
1552 | return status; |
1553 | } | |
1554 | ||
1555 | static | |
5d452e1f SM |
1556 | enum ctf_msg_iter_status read_event_payload_continue_state( |
1557 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1558 | { |
c9d45a6b | 1559 | return read_dscope_continue_state(msg_it, STATE_EMIT_MSG_EVENT); |
e98a2d6e PP |
1560 | } |
1561 | ||
1562 | static | |
5d452e1f | 1563 | enum ctf_msg_iter_status skip_packet_padding_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1564 | { |
5d452e1f | 1565 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 1566 | size_t bits_to_skip; |
01ed875d | 1567 | const enum state next_state = STATE_SWITCH_PACKET; |
e98a2d6e | 1568 | |
c9d45a6b FD |
1569 | BT_ASSERT(msg_it->cur_exp_packet_total_size > 0); |
1570 | bits_to_skip = msg_it->cur_exp_packet_total_size - packet_at(msg_it); | |
e98a2d6e | 1571 | if (bits_to_skip == 0) { |
c9d45a6b | 1572 | msg_it->state = next_state; |
e98a2d6e PP |
1573 | goto end; |
1574 | } else { | |
1575 | size_t bits_to_consume; | |
fdf0e7a0 | 1576 | |
c9d45a6b FD |
1577 | BT_COMP_LOGD("Trying to skip %zu bits of padding: msg-it-addr=%p, size=%zu", |
1578 | bits_to_skip, msg_it, bits_to_skip); | |
1579 | status = buf_ensure_available_bits(msg_it); | |
5d452e1f | 1580 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1581 | goto end; |
1582 | } | |
1583 | ||
c9d45a6b FD |
1584 | bits_to_consume = MIN(buf_available_bits(msg_it), bits_to_skip); |
1585 | BT_COMP_LOGD("Skipping %zu bits of padding: msg-it-addr=%p, size=%zu", | |
1586 | bits_to_consume, msg_it, bits_to_consume); | |
1587 | buf_consume_bits(msg_it, bits_to_consume); | |
1588 | bits_to_skip = msg_it->cur_exp_packet_total_size - | |
1589 | packet_at(msg_it); | |
e98a2d6e | 1590 | if (bits_to_skip == 0) { |
c9d45a6b | 1591 | msg_it->state = next_state; |
e98a2d6e PP |
1592 | goto end; |
1593 | } | |
1594 | } | |
1595 | ||
1596 | end: | |
1597 | return status; | |
1598 | } | |
1599 | ||
989925d1 | 1600 | static |
5d452e1f SM |
1601 | enum ctf_msg_iter_status check_emit_msg_stream_beginning_state( |
1602 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1603 | { |
5d452e1f | 1604 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
989925d1 | 1605 | |
c9d45a6b FD |
1606 | if (msg_it->set_stream) { |
1607 | status = set_current_stream(msg_it); | |
5d452e1f | 1608 | if (status != CTF_MSG_ITER_STATUS_OK) { |
989925d1 PP |
1609 | goto end; |
1610 | } | |
1611 | } | |
1612 | ||
c9d45a6b FD |
1613 | if (msg_it->emit_stream_begin_msg) { |
1614 | msg_it->state = STATE_EMIT_MSG_STREAM_BEGINNING; | |
989925d1 PP |
1615 | } else { |
1616 | /* Stream's first packet */ | |
c9d45a6b | 1617 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
989925d1 PP |
1618 | } |
1619 | ||
1620 | end: | |
1621 | return status; | |
1622 | } | |
1623 | ||
1624 | static | |
5d452e1f SM |
1625 | enum ctf_msg_iter_status check_emit_msg_discarded_events( |
1626 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1627 | { |
c9d45a6b | 1628 | msg_it->state = STATE_EMIT_MSG_DISCARDED_EVENTS; |
989925d1 | 1629 | |
c9d45a6b FD |
1630 | if (!msg_it->meta.sc->has_discarded_events) { |
1631 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
32476570 PP |
1632 | goto end; |
1633 | } | |
1634 | ||
c9d45a6b FD |
1635 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { |
1636 | if (msg_it->snapshots.discarded_events == 0 || | |
1637 | msg_it->snapshots.discarded_events == UINT64_C(-1)) { | |
989925d1 PP |
1638 | /* |
1639 | * Stream's first packet with no discarded | |
1640 | * events or no information about discarded | |
1641 | * events: do not emit. | |
1642 | */ | |
c9d45a6b | 1643 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1644 | } |
1645 | } else { | |
1646 | /* | |
1647 | * If the previous packet has a value for this counter, | |
1648 | * then this counter is defined for the whole stream. | |
1649 | */ | |
c9d45a6b | 1650 | BT_ASSERT(msg_it->snapshots.discarded_events != UINT64_C(-1)); |
989925d1 | 1651 | |
c9d45a6b FD |
1652 | if (msg_it->snapshots.discarded_events - |
1653 | msg_it->prev_packet_snapshots.discarded_events == 0) { | |
989925d1 PP |
1654 | /* |
1655 | * No discarded events since previous packet: do | |
1656 | * not emit. | |
1657 | */ | |
c9d45a6b | 1658 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1659 | } |
1660 | } | |
1661 | ||
32476570 | 1662 | end: |
5d452e1f | 1663 | return CTF_MSG_ITER_STATUS_OK; |
989925d1 PP |
1664 | } |
1665 | ||
1666 | static | |
5d452e1f SM |
1667 | enum ctf_msg_iter_status check_emit_msg_discarded_packets( |
1668 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1669 | { |
c9d45a6b | 1670 | msg_it->state = STATE_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 | 1671 | |
c9d45a6b FD |
1672 | if (!msg_it->meta.sc->has_discarded_packets) { |
1673 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
32476570 PP |
1674 | goto end; |
1675 | } | |
1676 | ||
c9d45a6b | 1677 | if (msg_it->prev_packet_snapshots.packets == UINT64_C(-1)) { |
989925d1 PP |
1678 | /* |
1679 | * Stream's first packet or no information about | |
1680 | * discarded packets: do not emit. In other words, if | |
1681 | * this is the first packet and its sequence number is | |
1682 | * not 0, do not consider that packets were previously | |
1683 | * lost: we might be reading a partial stream (LTTng | |
1684 | * snapshot for example). | |
1685 | */ | |
c9d45a6b | 1686 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
989925d1 PP |
1687 | } else { |
1688 | /* | |
1689 | * If the previous packet has a value for this counter, | |
1690 | * then this counter is defined for the whole stream. | |
1691 | */ | |
c9d45a6b | 1692 | BT_ASSERT(msg_it->snapshots.packets != UINT64_C(-1)); |
989925d1 | 1693 | |
c9d45a6b FD |
1694 | if (msg_it->snapshots.packets - |
1695 | msg_it->prev_packet_snapshots.packets <= 1) { | |
989925d1 PP |
1696 | /* |
1697 | * No discarded packets since previous packet: | |
1698 | * do not emit. | |
1699 | */ | |
c9d45a6b | 1700 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
989925d1 PP |
1701 | } |
1702 | } | |
1703 | ||
32476570 | 1704 | end: |
5d452e1f | 1705 | return CTF_MSG_ITER_STATUS_OK; |
989925d1 PP |
1706 | } |
1707 | ||
1708 | static | |
5d452e1f SM |
1709 | enum ctf_msg_iter_status check_emit_msg_stream_end( |
1710 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1711 | { |
c9d45a6b FD |
1712 | if (msg_it->emit_stream_end_msg) { |
1713 | msg_it->state = STATE_EMIT_MSG_STREAM_END; | |
989925d1 | 1714 | } else { |
c9d45a6b | 1715 | msg_it->state = STATE_DONE; |
989925d1 PP |
1716 | } |
1717 | ||
5d452e1f | 1718 | return CTF_MSG_ITER_STATUS_OK; |
989925d1 PP |
1719 | } |
1720 | ||
e98a2d6e | 1721 | static inline |
5d452e1f | 1722 | enum ctf_msg_iter_status handle_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1723 | { |
5d452e1f | 1724 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1725 | const enum state state = msg_it->state; |
e98a2d6e | 1726 | |
c9d45a6b FD |
1727 | BT_COMP_LOGT("Handling state: msg-it-addr=%p, state=%s", |
1728 | msg_it, state_string(state)); | |
e98a2d6e PP |
1729 | |
1730 | // TODO: optimalize! | |
fdf0e7a0 | 1731 | switch (state) { |
e98a2d6e | 1732 | case STATE_INIT: |
c9d45a6b | 1733 | msg_it->state = STATE_SWITCH_PACKET; |
01ed875d PP |
1734 | break; |
1735 | case STATE_SWITCH_PACKET: | |
c9d45a6b | 1736 | status = switch_packet_state(msg_it); |
e98a2d6e PP |
1737 | break; |
1738 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
c9d45a6b | 1739 | status = read_packet_header_begin_state(msg_it); |
e98a2d6e PP |
1740 | break; |
1741 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
c9d45a6b | 1742 | status = read_packet_header_continue_state(msg_it); |
e98a2d6e PP |
1743 | break; |
1744 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
c9d45a6b | 1745 | status = after_packet_header_state(msg_it); |
e98a2d6e PP |
1746 | break; |
1747 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
c9d45a6b | 1748 | status = read_packet_context_begin_state(msg_it); |
e98a2d6e PP |
1749 | break; |
1750 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
c9d45a6b | 1751 | status = read_packet_context_continue_state(msg_it); |
e98a2d6e PP |
1752 | break; |
1753 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
c9d45a6b | 1754 | status = after_packet_context_state(msg_it); |
e98a2d6e | 1755 | break; |
989925d1 | 1756 | case STATE_CHECK_EMIT_MSG_STREAM_BEGINNING: |
c9d45a6b | 1757 | status = check_emit_msg_stream_beginning_state(msg_it); |
989925d1 | 1758 | break; |
bbbd35bf | 1759 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
c9d45a6b | 1760 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
989925d1 PP |
1761 | break; |
1762 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: | |
c9d45a6b | 1763 | status = check_emit_msg_discarded_events(msg_it); |
989925d1 PP |
1764 | break; |
1765 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
c9d45a6b | 1766 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1767 | break; |
1768 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
c9d45a6b | 1769 | status = check_emit_msg_discarded_packets(msg_it); |
989925d1 PP |
1770 | break; |
1771 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
c9d45a6b | 1772 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
6ff151ad | 1773 | break; |
bbbd35bf | 1774 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
c9d45a6b | 1775 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1776 | break; |
7b33a0e0 | 1777 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
c9d45a6b | 1778 | status = read_event_header_begin_state(msg_it); |
e98a2d6e | 1779 | break; |
7b33a0e0 | 1780 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
c9d45a6b | 1781 | status = read_event_header_continue_state(msg_it); |
e98a2d6e | 1782 | break; |
7b33a0e0 | 1783 | case STATE_AFTER_EVENT_HEADER: |
c9d45a6b | 1784 | status = after_event_header_state(msg_it); |
e98a2d6e | 1785 | break; |
7b33a0e0 | 1786 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
c9d45a6b | 1787 | status = read_event_common_context_begin_state(msg_it); |
e98a2d6e | 1788 | break; |
7b33a0e0 | 1789 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
c9d45a6b | 1790 | status = read_event_common_context_continue_state(msg_it); |
e98a2d6e | 1791 | break; |
7b33a0e0 | 1792 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
c9d45a6b | 1793 | status = read_event_spec_context_begin_state(msg_it); |
e98a2d6e | 1794 | break; |
7b33a0e0 | 1795 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
c9d45a6b | 1796 | status = read_event_spec_context_continue_state(msg_it); |
e98a2d6e PP |
1797 | break; |
1798 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
c9d45a6b | 1799 | status = read_event_payload_begin_state(msg_it); |
e98a2d6e PP |
1800 | break; |
1801 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
c9d45a6b | 1802 | status = read_event_payload_continue_state(msg_it); |
e98a2d6e | 1803 | break; |
b09a5592 | 1804 | case STATE_EMIT_MSG_EVENT: |
c9d45a6b | 1805 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1806 | break; |
29b36c79 | 1807 | case STATE_EMIT_QUEUED_MSG_EVENT: |
c9d45a6b | 1808 | msg_it->state = STATE_EMIT_MSG_EVENT; |
29b36c79 | 1809 | break; |
e98a2d6e | 1810 | case STATE_SKIP_PACKET_PADDING: |
c9d45a6b | 1811 | status = skip_packet_padding_state(msg_it); |
e98a2d6e | 1812 | break; |
bbbd35bf | 1813 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
c9d45a6b | 1814 | msg_it->state = STATE_SKIP_PACKET_PADDING; |
e98a2d6e | 1815 | break; |
bbbd35bf | 1816 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
c9d45a6b | 1817 | msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END; |
989925d1 | 1818 | break; |
b7cbc799 | 1819 | case STATE_CHECK_EMIT_MSG_STREAM_END: |
c9d45a6b | 1820 | status = check_emit_msg_stream_end(msg_it); |
bbbd35bf | 1821 | break; |
29b36c79 | 1822 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
c9d45a6b | 1823 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
29b36c79 | 1824 | break; |
bbbd35bf | 1825 | case STATE_EMIT_MSG_STREAM_END: |
c9d45a6b | 1826 | msg_it->state = STATE_DONE; |
bbbd35bf PP |
1827 | break; |
1828 | case STATE_DONE: | |
1829 | break; | |
fdf0e7a0 | 1830 | default: |
e310e6e2 | 1831 | BT_COMP_LOGF("Unknown CTF plugin message iterator state: " |
c9d45a6b | 1832 | "msg-it-addr=%p, state=%d", msg_it, msg_it->state); |
24847fc7 | 1833 | bt_common_abort(); |
e98a2d6e PP |
1834 | } |
1835 | ||
c9d45a6b | 1836 | BT_COMP_LOGT("Handled state: msg-it-addr=%p, status=%s, " |
fdf0e7a0 | 1837 | "prev-state=%s, cur-state=%s", |
5d452e1f | 1838 | msg_it, ctf_msg_iter_status_string(status), |
c9d45a6b | 1839 | state_string(state), state_string(msg_it->state)); |
e98a2d6e PP |
1840 | return status; |
1841 | } | |
1842 | ||
6ff151ad | 1843 | BT_HIDDEN |
5d452e1f | 1844 | void ctf_msg_iter_reset_for_next_stream_file(struct ctf_msg_iter *msg_it) |
c9d45a6b FD |
1845 | { |
1846 | BT_ASSERT(msg_it); | |
1847 | BT_COMP_LOGD("Resetting message iterator: addr=%p", msg_it); | |
1848 | stack_clear(msg_it->stack); | |
1849 | msg_it->meta.sc = NULL; | |
1850 | msg_it->meta.ec = NULL; | |
1851 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
1852 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
1853 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
1854 | release_all_dscopes(msg_it); | |
1855 | msg_it->cur_dscope_field = NULL; | |
1856 | ||
1857 | if (msg_it->packet_context_field) { | |
1858 | bt_packet_context_field_release(msg_it->packet_context_field); | |
1859 | msg_it->packet_context_field = NULL; | |
1860 | } | |
1861 | ||
1862 | msg_it->buf.addr = NULL; | |
1863 | msg_it->buf.sz = 0; | |
1864 | msg_it->buf.at = 0; | |
1865 | msg_it->buf.last_eh_at = SIZE_MAX; | |
1866 | msg_it->buf.packet_offset = 0; | |
1867 | msg_it->state = STATE_INIT; | |
1868 | msg_it->cur_exp_packet_content_size = -1; | |
1869 | msg_it->cur_exp_packet_total_size = -1; | |
1870 | msg_it->cur_packet_offset = -1; | |
1871 | msg_it->cur_event_class_id = -1; | |
1872 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
1873 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
989925d1 PP |
1874 | } |
1875 | ||
1876 | /** | |
1877 | * Resets the internal state of a CTF message iterator. | |
1878 | */ | |
1879 | BT_HIDDEN | |
5d452e1f | 1880 | void ctf_msg_iter_reset(struct ctf_msg_iter *msg_it) |
989925d1 | 1881 | { |
5d452e1f | 1882 | ctf_msg_iter_reset_for_next_stream_file(msg_it); |
c9d45a6b FD |
1883 | msg_it->cur_stream_class_id = -1; |
1884 | msg_it->cur_data_stream_id = -1; | |
1885 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
1886 | msg_it->snapshots.packets = UINT64_C(-1); | |
1887 | msg_it->prev_packet_snapshots.discarded_events = UINT64_C(-1); | |
1888 | msg_it->prev_packet_snapshots.packets = UINT64_C(-1); | |
1889 | msg_it->prev_packet_snapshots.beginning_clock = UINT64_C(-1); | |
1890 | msg_it->prev_packet_snapshots.end_clock = UINT64_C(-1); | |
e98a2d6e PP |
1891 | } |
1892 | ||
1893 | static | |
5d452e1f | 1894 | bt_field *borrow_next_field(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1895 | { |
8eee8ea2 PP |
1896 | bt_field *next_field = NULL; |
1897 | bt_field *base_field; | |
1898 | const bt_field_class *base_fc; | |
94847783 | 1899 | bt_field_class_type base_fc_type; |
e98a2d6e PP |
1900 | size_t index; |
1901 | ||
c9d45a6b FD |
1902 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
1903 | index = stack_top(msg_it->stack)->index; | |
1904 | base_field = stack_top(msg_it->stack)->base; | |
ec4a3354 | 1905 | BT_ASSERT_DBG(base_field); |
78cf9df6 | 1906 | base_fc = bt_field_borrow_class_const(base_field); |
ec4a3354 | 1907 | BT_ASSERT_DBG(base_fc); |
94847783 | 1908 | base_fc_type = bt_field_class_get_type(base_fc); |
e98a2d6e | 1909 | |
94847783 | 1910 | if (base_fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) { |
ec4a3354 | 1911 | BT_ASSERT_DBG(index < |
939190b3 | 1912 | bt_field_class_structure_get_member_count( |
78cf9df6 PP |
1913 | bt_field_borrow_class_const( |
1914 | base_field))); | |
9e550e5f | 1915 | next_field = |
78cf9df6 | 1916 | bt_field_structure_borrow_member_field_by_index( |
9e550e5f | 1917 | base_field, index); |
94847783 PP |
1918 | } else if (bt_field_class_type_is(base_fc_type, |
1919 | BT_FIELD_CLASS_TYPE_ARRAY)) { | |
ec4a3354 | 1920 | BT_ASSERT_DBG(index < bt_field_array_get_length(base_field)); |
78cf9df6 | 1921 | next_field = bt_field_array_borrow_element_field_by_index( |
7b33a0e0 | 1922 | base_field, index); |
94847783 PP |
1923 | } else if (bt_field_class_type_is(base_fc_type, |
1924 | BT_FIELD_CLASS_TYPE_VARIANT)) { | |
ec4a3354 | 1925 | BT_ASSERT_DBG(index == 0); |
78cf9df6 | 1926 | next_field = bt_field_variant_borrow_selected_option_field( |
7b33a0e0 | 1927 | base_field); |
94847783 | 1928 | } else { |
24847fc7 | 1929 | bt_common_abort(); |
e98a2d6e PP |
1930 | } |
1931 | ||
ec4a3354 | 1932 | BT_ASSERT_DBG(next_field); |
e98a2d6e PP |
1933 | return next_field; |
1934 | } | |
1935 | ||
c44c3e70 | 1936 | static |
5d452e1f | 1937 | void update_default_clock(struct ctf_msg_iter *msg_it, uint64_t new_val, |
7b33a0e0 | 1938 | uint64_t new_val_size) |
c44c3e70 | 1939 | { |
7b33a0e0 | 1940 | uint64_t new_val_mask; |
c44c3e70 | 1941 | uint64_t cur_value_masked; |
c44c3e70 | 1942 | |
ec4a3354 | 1943 | BT_ASSERT_DBG(new_val_size > 0); |
c44c3e70 JG |
1944 | |
1945 | /* | |
1946 | * Special case for a 64-bit new value, which is the limit | |
1947 | * of a clock value as of this version: overwrite the | |
1948 | * current value directly. | |
1949 | */ | |
7b33a0e0 | 1950 | if (new_val_size == 64) { |
c9d45a6b | 1951 | msg_it->default_clock_snapshot = new_val; |
c44c3e70 JG |
1952 | goto end; |
1953 | } | |
1954 | ||
7b33a0e0 | 1955 | new_val_mask = (1ULL << new_val_size) - 1; |
c9d45a6b | 1956 | cur_value_masked = msg_it->default_clock_snapshot & new_val_mask; |
c44c3e70 | 1957 | |
7b33a0e0 | 1958 | if (new_val < cur_value_masked) { |
c44c3e70 JG |
1959 | /* |
1960 | * It looks like a wrap happened on the number of bits | |
1961 | * of the requested new value. Assume that the clock | |
1962 | * value wrapped only one time. | |
1963 | */ | |
c9d45a6b | 1964 | msg_it->default_clock_snapshot += new_val_mask + 1; |
c44c3e70 JG |
1965 | } |
1966 | ||
1967 | /* Clear the low bits of the current clock value. */ | |
c9d45a6b | 1968 | msg_it->default_clock_snapshot &= ~new_val_mask; |
c44c3e70 JG |
1969 | |
1970 | /* Set the low bits of the current clock value. */ | |
c9d45a6b | 1971 | msg_it->default_clock_snapshot |= new_val; |
b8418c69 | 1972 | |
c44c3e70 | 1973 | end: |
c9ecaa78 | 1974 | BT_COMP_LOGT("Updated default clock's value from integer field's value: " |
c9d45a6b | 1975 | "value=%" PRIu64, msg_it->default_clock_snapshot); |
c44c3e70 JG |
1976 | } |
1977 | ||
1978 | static | |
939190b3 PP |
1979 | enum bt_bfcr_status bfcr_unsigned_int_cb(uint64_t value, |
1980 | struct ctf_field_class *fc, void *data) | |
c44c3e70 | 1981 | { |
5d452e1f | 1982 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 1983 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1984 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
0f077192 | 1985 | |
8eee8ea2 | 1986 | bt_field *field = NULL; |
939190b3 | 1987 | struct ctf_field_class_int *int_fc = (void *) fc; |
c44c3e70 | 1988 | |
c9ecaa78 | 1989 | BT_COMP_LOGT("Unsigned integer function called from BFCR: " |
c9d45a6b | 1990 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 1991 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
c9d45a6b | 1992 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
a6918753 | 1993 | |
85e7137b | 1994 | if (G_LIKELY(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE)) { |
7b33a0e0 | 1995 | goto update_def_clock; |
c44c3e70 JG |
1996 | } |
1997 | ||
939190b3 PP |
1998 | switch (int_fc->meaning) { |
1999 | case CTF_FIELD_CLASS_MEANING_EVENT_CLASS_ID: | |
c9d45a6b | 2000 | msg_it->cur_event_class_id = value; |
7b33a0e0 | 2001 | break; |
939190b3 | 2002 | case CTF_FIELD_CLASS_MEANING_DATA_STREAM_ID: |
c9d45a6b | 2003 | msg_it->cur_data_stream_id = value; |
7b33a0e0 | 2004 | break; |
939190b3 | 2005 | case CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME: |
c9d45a6b | 2006 | msg_it->snapshots.beginning_clock = value; |
7b33a0e0 | 2007 | break; |
939190b3 | 2008 | case CTF_FIELD_CLASS_MEANING_PACKET_END_TIME: |
c9d45a6b | 2009 | msg_it->snapshots.end_clock = value; |
7b33a0e0 | 2010 | break; |
939190b3 | 2011 | case CTF_FIELD_CLASS_MEANING_STREAM_CLASS_ID: |
c9d45a6b | 2012 | msg_it->cur_stream_class_id = value; |
7b33a0e0 | 2013 | break; |
939190b3 | 2014 | case CTF_FIELD_CLASS_MEANING_MAGIC: |
7b33a0e0 | 2015 | if (value != 0xc1fc1fc1) { |
0f077192 | 2016 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
2017 | "Invalid CTF magic number: msg-it-addr=%p, " |
2018 | "magic=%" PRIx64, msg_it, value); | |
939190b3 | 2019 | status = BT_BFCR_STATUS_ERROR; |
c44c3e70 JG |
2020 | goto end; |
2021 | } | |
fdf0e7a0 | 2022 | |
7b33a0e0 | 2023 | break; |
939190b3 | 2024 | case CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT: |
c9d45a6b | 2025 | msg_it->snapshots.packets = value; |
7b33a0e0 | 2026 | break; |
939190b3 | 2027 | case CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT: |
c9d45a6b | 2028 | msg_it->snapshots.discarded_events = value; |
7b33a0e0 | 2029 | break; |
939190b3 | 2030 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_TOTAL_SIZE: |
c9d45a6b | 2031 | msg_it->cur_exp_packet_total_size = value; |
7b33a0e0 | 2032 | break; |
939190b3 | 2033 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_CONTENT_SIZE: |
c9d45a6b | 2034 | msg_it->cur_exp_packet_content_size = value; |
7b33a0e0 PP |
2035 | break; |
2036 | default: | |
24847fc7 | 2037 | bt_common_abort(); |
c44c3e70 JG |
2038 | } |
2039 | ||
7b33a0e0 | 2040 | update_def_clock: |
85e7137b | 2041 | if (G_UNLIKELY(int_fc->mapped_clock_class)) { |
c9d45a6b | 2042 | update_default_clock(msg_it, value, int_fc->base.size); |
7b33a0e0 | 2043 | } |
c44c3e70 | 2044 | |
85e7137b | 2045 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
c9d45a6b | 2046 | g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2047 | (uint64_t) int_fc->storing_index) = value; |
7b33a0e0 | 2048 | } |
e98a2d6e | 2049 | |
c9d45a6b | 2050 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
a6918753 | 2051 | goto end; |
e98a2d6e PP |
2052 | } |
2053 | ||
c9d45a6b | 2054 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2055 | BT_ASSERT_DBG(field); |
2056 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2057 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
94847783 | 2058 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER)); |
60bbfc7c | 2059 | bt_field_integer_unsigned_set_value(field, value); |
c9d45a6b | 2060 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2061 | |
a6918753 | 2062 | end: |
e98a2d6e PP |
2063 | return status; |
2064 | } | |
2065 | ||
5f870343 | 2066 | static |
939190b3 PP |
2067 | enum bt_bfcr_status bfcr_unsigned_int_char_cb(uint64_t value, |
2068 | struct ctf_field_class *fc, void *data) | |
5f870343 | 2069 | { |
7b33a0e0 | 2070 | int ret; |
5d452e1f | 2071 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2072 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2073 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2074 | bt_field *string_field = NULL; |
939190b3 | 2075 | struct ctf_field_class_int *int_fc = (void *) fc; |
7b33a0e0 | 2076 | char str[2] = {'\0', '\0'}; |
5f870343 | 2077 | |
c9ecaa78 | 2078 | BT_COMP_LOGT("Unsigned integer character function called from BFCR: " |
c9d45a6b | 2079 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2080 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
c9d45a6b | 2081 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
ec4a3354 PP |
2082 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
2083 | BT_ASSERT_DBG(!int_fc->mapped_clock_class); | |
2084 | BT_ASSERT_DBG(int_fc->storing_index < 0); | |
a6918753 | 2085 | |
c9d45a6b | 2086 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
7b33a0e0 PP |
2087 | goto end; |
2088 | } | |
5f870343 | 2089 | |
c9d45a6b | 2090 | if (msg_it->done_filling_string) { |
5f870343 JG |
2091 | goto end; |
2092 | } | |
2093 | ||
7b33a0e0 | 2094 | if (value == 0) { |
c9d45a6b | 2095 | msg_it->done_filling_string = true; |
5f870343 JG |
2096 | goto end; |
2097 | } | |
2098 | ||
c9d45a6b | 2099 | string_field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2100 | BT_ASSERT_DBG(bt_field_get_class_type(string_field) == |
94847783 | 2101 | BT_FIELD_CLASS_TYPE_STRING); |
7b33a0e0 PP |
2102 | |
2103 | /* Append character */ | |
2104 | str[0] = (char) value; | |
78cf9df6 | 2105 | ret = bt_field_string_append_with_length(string_field, str, 1); |
7b33a0e0 | 2106 | if (ret) { |
0f077192 FD |
2107 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2108 | "Cannot append character to string field's value: " | |
c9d45a6b FD |
2109 | "msg-it-addr=%p, field-addr=%p, ret=%d", |
2110 | msg_it, string_field, ret); | |
939190b3 | 2111 | status = BT_BFCR_STATUS_ERROR; |
7b33a0e0 PP |
2112 | goto end; |
2113 | } | |
a6918753 | 2114 | |
5f870343 JG |
2115 | end: |
2116 | return status; | |
2117 | } | |
2118 | ||
2119 | static | |
939190b3 PP |
2120 | enum bt_bfcr_status bfcr_signed_int_cb(int64_t value, |
2121 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2122 | { |
939190b3 | 2123 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2124 | bt_field *field = NULL; |
5d452e1f | 2125 | struct ctf_msg_iter *msg_it = data; |
939190b3 | 2126 | struct ctf_field_class_int *int_fc = (void *) fc; |
e98a2d6e | 2127 | |
c9ecaa78 | 2128 | BT_COMP_LOGT("Signed integer function called from BFCR: " |
c9d45a6b | 2129 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2130 | "fc-type=%d, fc-in-ir=%d, value=%" PRId64, |
c9d45a6b | 2131 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
ec4a3354 | 2132 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
7b33a0e0 | 2133 | |
85e7137b | 2134 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
c9d45a6b | 2135 | g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2136 | (uint64_t) int_fc->storing_index) = (uint64_t) value; |
7b33a0e0 PP |
2137 | } |
2138 | ||
c9d45a6b | 2139 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
a6918753 | 2140 | goto end; |
e98a2d6e PP |
2141 | } |
2142 | ||
c9d45a6b | 2143 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2144 | BT_ASSERT_DBG(field); |
2145 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2146 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
94847783 | 2147 | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER)); |
60bbfc7c | 2148 | bt_field_integer_signed_set_value(field, value); |
c9d45a6b | 2149 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2150 | |
a6918753 | 2151 | end: |
e98a2d6e PP |
2152 | return status; |
2153 | } | |
2154 | ||
2155 | static | |
939190b3 PP |
2156 | enum bt_bfcr_status bfcr_floating_point_cb(double value, |
2157 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2158 | { |
939190b3 | 2159 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2160 | bt_field *field = NULL; |
5d452e1f | 2161 | struct ctf_msg_iter *msg_it = data; |
100acf4a | 2162 | bt_field_class_type type; |
e98a2d6e | 2163 | |
c9ecaa78 | 2164 | BT_COMP_LOGT("Floating point number function called from BFCR: " |
c9d45a6b | 2165 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2166 | "fc-type=%d, fc-in-ir=%d, value=%f", |
c9d45a6b | 2167 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
e5e71bf8 | 2168 | |
c9d45a6b | 2169 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2170 | goto end; |
2171 | } | |
2172 | ||
c9d45a6b | 2173 | field = borrow_next_field(msg_it); |
100acf4a | 2174 | type = bt_field_get_class_type(field); |
ec4a3354 PP |
2175 | BT_ASSERT_DBG(field); |
2176 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2177 | BT_ASSERT_DBG(bt_field_class_type_is(type, BT_FIELD_CLASS_TYPE_REAL)); | |
76276a81 FD |
2178 | |
2179 | if (type == BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL) { | |
2180 | bt_field_real_single_precision_set_value(field, (float) value); | |
2181 | } else { | |
2182 | bt_field_real_double_precision_set_value(field, value); | |
2183 | } | |
c9d45a6b | 2184 | stack_top(msg_it->stack)->index++; |
e5e71bf8 PP |
2185 | |
2186 | end: | |
e98a2d6e PP |
2187 | return status; |
2188 | } | |
2189 | ||
2190 | static | |
939190b3 PP |
2191 | enum bt_bfcr_status bfcr_string_begin_cb( |
2192 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2193 | { |
8eee8ea2 | 2194 | bt_field *field = NULL; |
5d452e1f | 2195 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2196 | |
c9ecaa78 | 2197 | BT_COMP_LOGT("String (beginning) function called from BFCR: " |
c9d45a6b | 2198 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2199 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2200 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2201 | |
c9d45a6b | 2202 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2203 | goto end; |
2204 | } | |
2205 | ||
c9d45a6b | 2206 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2207 | BT_ASSERT_DBG(field); |
2208 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2209 | BT_ASSERT_DBG(bt_field_get_class_type(field) == | |
78cf9df6 | 2210 | BT_FIELD_CLASS_TYPE_STRING); |
fb25b9e3 | 2211 | bt_field_string_clear(field); |
a6918753 | 2212 | |
e98a2d6e | 2213 | /* |
939190b3 PP |
2214 | * Push on stack. Not a compound class per se, but we know that |
2215 | * only bfcr_string_cb() may be called between this call and a | |
2216 | * subsequent call to bfcr_string_end_cb(). | |
e98a2d6e | 2217 | */ |
c9d45a6b | 2218 | stack_push(msg_it->stack, field); |
e5e71bf8 PP |
2219 | |
2220 | end: | |
939190b3 | 2221 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2222 | } |
2223 | ||
2224 | static | |
939190b3 PP |
2225 | enum bt_bfcr_status bfcr_string_cb(const char *value, |
2226 | size_t len, struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2227 | { |
939190b3 | 2228 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2229 | bt_field *field = NULL; |
5d452e1f | 2230 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2231 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
2232 | int ret; |
2233 | ||
c9ecaa78 | 2234 | BT_COMP_LOGT("String (substring) function called from BFCR: " |
c9d45a6b | 2235 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2236 | "fc-type=%d, fc-in-ir=%d, string-length=%zu", |
c9d45a6b | 2237 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, |
fdf0e7a0 | 2238 | len); |
e5e71bf8 | 2239 | |
c9d45a6b | 2240 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2241 | goto end; |
2242 | } | |
2243 | ||
c9d45a6b | 2244 | field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2245 | BT_ASSERT_DBG(field); |
e98a2d6e | 2246 | |
a6918753 | 2247 | /* Append current substring */ |
78cf9df6 | 2248 | ret = bt_field_string_append_with_length(field, value, len); |
e98a2d6e | 2249 | if (ret) { |
0f077192 FD |
2250 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2251 | "Cannot append substring to string field's value: " | |
c9d45a6b FD |
2252 | "msg-it-addr=%p, field-addr=%p, string-length=%zu, " |
2253 | "ret=%d", msg_it, field, len, ret); | |
939190b3 | 2254 | status = BT_BFCR_STATUS_ERROR; |
e98a2d6e PP |
2255 | goto end; |
2256 | } | |
2257 | ||
2258 | end: | |
2259 | return status; | |
2260 | } | |
2261 | ||
2262 | static | |
939190b3 PP |
2263 | enum bt_bfcr_status bfcr_string_end_cb( |
2264 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2265 | { |
5d452e1f | 2266 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2267 | |
c9ecaa78 | 2268 | BT_COMP_LOGT("String (end) function called from BFCR: " |
c9d45a6b | 2269 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2270 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2271 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e5e71bf8 | 2272 | |
c9d45a6b | 2273 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2274 | goto end; |
2275 | } | |
fdf0e7a0 | 2276 | |
e98a2d6e | 2277 | /* Pop string field */ |
c9d45a6b | 2278 | stack_pop(msg_it->stack); |
e98a2d6e PP |
2279 | |
2280 | /* Go to next field */ | |
c9d45a6b | 2281 | stack_top(msg_it->stack)->index++; |
e5e71bf8 PP |
2282 | |
2283 | end: | |
939190b3 | 2284 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2285 | } |
2286 | ||
f3847c75 | 2287 | static |
939190b3 PP |
2288 | enum bt_bfcr_status bfcr_compound_begin_cb( |
2289 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2290 | { |
5d452e1f | 2291 | struct ctf_msg_iter *msg_it = data; |
8eee8ea2 | 2292 | bt_field *field; |
e98a2d6e | 2293 | |
c9ecaa78 | 2294 | BT_COMP_LOGT("Compound (beginning) function called from BFCR: " |
c9d45a6b | 2295 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2296 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2297 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
7b33a0e0 | 2298 | |
c9d45a6b | 2299 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
7b33a0e0 PP |
2300 | goto end; |
2301 | } | |
fdf0e7a0 | 2302 | |
a6918753 | 2303 | /* Borrow field */ |
c9d45a6b | 2304 | if (stack_empty(msg_it->stack)) { |
a6918753 | 2305 | /* Root: already set by read_dscope_begin_state() */ |
c9d45a6b | 2306 | field = msg_it->cur_dscope_field; |
e98a2d6e | 2307 | } else { |
c9d45a6b | 2308 | field = borrow_next_field(msg_it); |
ec4a3354 | 2309 | BT_ASSERT_DBG(field); |
e98a2d6e PP |
2310 | } |
2311 | ||
2312 | /* Push field */ | |
ec4a3354 PP |
2313 | BT_ASSERT_DBG(field); |
2314 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
c9d45a6b | 2315 | stack_push(msg_it->stack, field); |
7b33a0e0 PP |
2316 | |
2317 | /* | |
939190b3 | 2318 | * Change BFCR "unsigned int" callback if it's a text |
7b33a0e0 PP |
2319 | * array/sequence. |
2320 | */ | |
af0c18e3 PP |
2321 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2322 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
939190b3 | 2323 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
7b33a0e0 | 2324 | |
939190b3 | 2325 | if (array_fc->is_text) { |
ec4a3354 | 2326 | BT_ASSERT_DBG(bt_field_get_class_type(field) == |
78cf9df6 | 2327 | BT_FIELD_CLASS_TYPE_STRING); |
c9d45a6b | 2328 | msg_it->done_filling_string = false; |
fb25b9e3 | 2329 | bt_field_string_clear(field); |
c9d45a6b | 2330 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
939190b3 | 2331 | bfcr_unsigned_int_char_cb); |
7b33a0e0 | 2332 | } |
e98a2d6e PP |
2333 | } |
2334 | ||
2335 | end: | |
939190b3 | 2336 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2337 | } |
2338 | ||
f3847c75 | 2339 | static |
939190b3 PP |
2340 | enum bt_bfcr_status bfcr_compound_end_cb( |
2341 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2342 | { |
5d452e1f | 2343 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2344 | |
c9ecaa78 | 2345 | BT_COMP_LOGT("Compound (end) function called from BFCR: " |
c9d45a6b | 2346 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2347 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2348 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2349 | |
c9d45a6b | 2350 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e98a2d6e PP |
2351 | goto end; |
2352 | } | |
2353 | ||
c9d45a6b FD |
2354 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
2355 | BT_ASSERT_DBG(bt_field_borrow_class_const(stack_top(msg_it->stack)->base) == | |
939190b3 | 2356 | fc->ir_fc); |
e98a2d6e | 2357 | |
7b33a0e0 | 2358 | /* |
939190b3 | 2359 | * Reset BFCR "unsigned int" callback if it's a text |
7b33a0e0 PP |
2360 | * array/sequence. |
2361 | */ | |
af0c18e3 PP |
2362 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2363 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
939190b3 | 2364 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
7b33a0e0 | 2365 | |
939190b3 | 2366 | if (array_fc->is_text) { |
ec4a3354 | 2367 | BT_ASSERT_DBG(bt_field_get_class_type( |
c9d45a6b | 2368 | stack_top(msg_it->stack)->base) == |
9e550e5f | 2369 | BT_FIELD_CLASS_TYPE_STRING); |
c9d45a6b | 2370 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
939190b3 | 2371 | bfcr_unsigned_int_cb); |
e98a2d6e | 2372 | } |
7b33a0e0 | 2373 | } |
e98a2d6e | 2374 | |
7b33a0e0 | 2375 | /* Pop stack */ |
c9d45a6b | 2376 | stack_pop(msg_it->stack); |
e98a2d6e | 2377 | |
7b33a0e0 | 2378 | /* If the stack is not empty, increment the base's index */ |
c9d45a6b FD |
2379 | if (!stack_empty(msg_it->stack)) { |
2380 | stack_top(msg_it->stack)->index++; | |
e98a2d6e PP |
2381 | } |
2382 | ||
2383 | end: | |
939190b3 | 2384 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2385 | } |
2386 | ||
2387 | static | |
939190b3 | 2388 | int64_t bfcr_get_sequence_length_cb(struct ctf_field_class *fc, void *data) |
e98a2d6e | 2389 | { |
8eee8ea2 | 2390 | bt_field *seq_field; |
5d452e1f | 2391 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2392 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2393 | struct ctf_field_class_sequence *seq_fc = (void *) fc; |
0f077192 | 2394 | int64_t length; |
7b33a0e0 | 2395 | int ret; |
e98a2d6e | 2396 | |
c9d45a6b | 2397 | length = (uint64_t) g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2398 | seq_fc->stored_length_index); |
8482a078 | 2399 | |
c9d45a6b | 2400 | if (G_UNLIKELY(msg_it->dry_run)){ |
8482a078 FD |
2401 | goto end; |
2402 | } | |
2403 | ||
c9d45a6b | 2404 | seq_field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2405 | BT_ASSERT_DBG(seq_field); |
c16748c7 PP |
2406 | |
2407 | /* | |
2408 | * bfcr_get_sequence_length_cb() also gets called back for a | |
2409 | * text sequence, but the destination field is a string field. | |
2410 | * Only set the field's sequence length if the destination field | |
2411 | * is a sequence field. | |
2412 | */ | |
2413 | if (!seq_fc->base.is_text) { | |
ec4a3354 | 2414 | BT_ASSERT_DBG(bt_field_class_type_is( |
94847783 PP |
2415 | bt_field_get_class_type(seq_field), |
2416 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)); | |
60bbfc7c | 2417 | ret = bt_field_array_dynamic_set_length(seq_field, |
c16748c7 PP |
2418 | (uint64_t) length); |
2419 | if (ret) { | |
0f077192 FD |
2420 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2421 | "Cannot set dynamic array field's length field: " | |
c9d45a6b FD |
2422 | "msg-it-addr=%p, field-addr=%p, " |
2423 | "length=%" PRIu64, msg_it, seq_field, length); | |
0f077192 | 2424 | length = -1; |
c16748c7 | 2425 | } |
2cf1d51e | 2426 | } |
fdf0e7a0 | 2427 | |
8482a078 | 2428 | end: |
7b33a0e0 | 2429 | return length; |
e98a2d6e PP |
2430 | } |
2431 | ||
2432 | static | |
939190b3 PP |
2433 | struct ctf_field_class *bfcr_borrow_variant_selected_field_class_cb( |
2434 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2435 | { |
a6918753 | 2436 | int ret; |
7b33a0e0 PP |
2437 | uint64_t i; |
2438 | int64_t option_index = -1; | |
5d452e1f | 2439 | struct ctf_msg_iter *msg_it = data; |
939190b3 PP |
2440 | struct ctf_field_class_variant *var_fc = (void *) fc; |
2441 | struct ctf_named_field_class *selected_option = NULL; | |
c9d45a6b | 2442 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2443 | struct ctf_field_class *ret_fc = NULL; |
7b33a0e0 PP |
2444 | union { |
2445 | uint64_t u; | |
2446 | int64_t i; | |
2447 | } tag; | |
2448 | ||
2449 | /* Get variant's tag */ | |
c9d45a6b | 2450 | tag.u = g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2451 | var_fc->stored_tag_index); |
e98a2d6e PP |
2452 | |
2453 | /* | |
7b33a0e0 | 2454 | * Check each range to find the selected option's index. |
e98a2d6e | 2455 | */ |
939190b3 PP |
2456 | if (var_fc->tag_fc->base.is_signed) { |
2457 | for (i = 0; i < var_fc->ranges->len; i++) { | |
2458 | struct ctf_field_class_variant_range *range = | |
2459 | ctf_field_class_variant_borrow_range_by_index( | |
2460 | var_fc, i); | |
7b33a0e0 PP |
2461 | |
2462 | if (tag.i >= range->range.lower.i && | |
2463 | tag.i <= range->range.upper.i) { | |
2464 | option_index = (int64_t) range->option_index; | |
2465 | break; | |
2466 | } | |
2467 | } | |
a6918753 | 2468 | } else { |
939190b3 PP |
2469 | for (i = 0; i < var_fc->ranges->len; i++) { |
2470 | struct ctf_field_class_variant_range *range = | |
2471 | ctf_field_class_variant_borrow_range_by_index( | |
2472 | var_fc, i); | |
7b33a0e0 PP |
2473 | |
2474 | if (tag.u >= range->range.lower.u && | |
2475 | tag.u <= range->range.upper.u) { | |
2476 | option_index = (int64_t) range->option_index; | |
2477 | break; | |
2478 | } | |
2479 | } | |
a6918753 PP |
2480 | } |
2481 | ||
7b33a0e0 | 2482 | if (option_index < 0) { |
0f077192 FD |
2483 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2484 | "Cannot find variant field class's option: " | |
c9d45a6b FD |
2485 | "msg-it-addr=%p, var-fc-addr=%p, u-tag=%" PRIu64 ", " |
2486 | "i-tag=%" PRId64, msg_it, var_fc, tag.u, tag.i); | |
0f077192 | 2487 | ret_fc = NULL; |
e98a2d6e PP |
2488 | goto end; |
2489 | } | |
2490 | ||
939190b3 PP |
2491 | selected_option = ctf_field_class_variant_borrow_option_by_index( |
2492 | var_fc, (uint64_t) option_index); | |
e98a2d6e | 2493 | |
c9d45a6b FD |
2494 | if (selected_option->fc->in_ir && !msg_it->dry_run) { |
2495 | bt_field *var_field = stack_top(msg_it->stack)->base; | |
1556a1af | 2496 | |
02b61fe0 | 2497 | ret = bt_field_variant_select_option_field_by_index( |
9e550e5f | 2498 | var_field, option_index); |
8fc063a2 | 2499 | if (ret) { |
0f077192 FD |
2500 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2501 | "Cannot select variant field's option field: " | |
c9d45a6b FD |
2502 | "msg-it-addr=%p, var-field-addr=%p, " |
2503 | "opt-index=%" PRId64, msg_it, var_field, | |
7b33a0e0 | 2504 | option_index); |
0f077192 | 2505 | ret_fc = NULL; |
1556a1af JG |
2506 | goto end; |
2507 | } | |
5184a1d6 PP |
2508 | } |
2509 | ||
939190b3 | 2510 | ret_fc = selected_option->fc; |
8fc063a2 | 2511 | |
5184a1d6 | 2512 | end: |
939190b3 | 2513 | return ret_fc; |
7b33a0e0 PP |
2514 | } |
2515 | ||
6ff151ad | 2516 | static |
5d452e1f | 2517 | bt_message *create_msg_stream_beginning(struct ctf_msg_iter *msg_it) |
6ff151ad | 2518 | { |
c9d45a6b | 2519 | bt_self_component *self_comp = msg_it->self_comp; |
699a0ffb | 2520 | bt_message *msg; |
6ff151ad | 2521 | |
c9d45a6b | 2522 | BT_ASSERT(msg_it->stream); |
6c7642c2 SM |
2523 | BT_ASSERT(msg_it->self_msg_iter); |
2524 | msg = bt_message_stream_beginning_create(msg_it->self_msg_iter, | |
c9d45a6b | 2525 | msg_it->stream); |
699a0ffb | 2526 | if (!msg) { |
0f077192 FD |
2527 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2528 | "Cannot create stream beginning message: " | |
c9d45a6b FD |
2529 | "msg-it-addr=%p, stream-addr=%p", |
2530 | msg_it, msg_it->stream); | |
6ff151ad PP |
2531 | } |
2532 | ||
699a0ffb | 2533 | return msg; |
6ff151ad PP |
2534 | } |
2535 | ||
bbbd35bf | 2536 | static |
5d452e1f | 2537 | bt_message *create_msg_stream_end(struct ctf_msg_iter *msg_it) |
6ff151ad | 2538 | { |
c9d45a6b | 2539 | bt_self_component *self_comp = msg_it->self_comp; |
699a0ffb | 2540 | bt_message *msg; |
6ff151ad | 2541 | |
c9d45a6b | 2542 | if (!msg_it->stream) { |
0f077192 FD |
2543 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2544 | "Cannot create stream end message because stream is NULL: " | |
c9d45a6b | 2545 | "msg-it-addr=%p", msg_it); |
699a0ffb FD |
2546 | msg = NULL; |
2547 | goto end; | |
6ff151ad PP |
2548 | } |
2549 | ||
6c7642c2 SM |
2550 | BT_ASSERT(msg_it->self_msg_iter); |
2551 | msg = bt_message_stream_end_create(msg_it->self_msg_iter, | |
c9d45a6b | 2552 | msg_it->stream); |
699a0ffb | 2553 | if (!msg) { |
0f077192 FD |
2554 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2555 | "Cannot create stream end message: " | |
c9d45a6b FD |
2556 | "msg-it-addr=%p, stream-addr=%p", |
2557 | msg_it, msg_it->stream); | |
6ff151ad | 2558 | } |
bbbd35bf | 2559 | |
699a0ffb FD |
2560 | end: |
2561 | return msg; | |
6ff151ad PP |
2562 | } |
2563 | ||
78586d8a | 2564 | static |
5d452e1f | 2565 | bt_message *create_msg_packet_beginning(struct ctf_msg_iter *msg_it, |
699a0ffb | 2566 | bool use_default_cs) |
e98a2d6e | 2567 | { |
c9d45a6b | 2568 | bt_self_component *self_comp = msg_it->self_comp; |
a6918753 | 2569 | int ret; |
699a0ffb | 2570 | bt_message *msg; |
c9d45a6b | 2571 | const bt_stream_class *sc = msg_it->meta.sc->ir_sc; |
e98a2d6e | 2572 | |
c9d45a6b | 2573 | BT_ASSERT(msg_it->packet); |
7b33a0e0 PP |
2574 | BT_ASSERT(sc); |
2575 | ||
c9d45a6b | 2576 | if (msg_it->packet_context_field) { |
78cf9df6 | 2577 | ret = bt_packet_move_context_field( |
c9d45a6b | 2578 | msg_it->packet, msg_it->packet_context_field); |
a6918753 | 2579 | if (ret) { |
699a0ffb | 2580 | msg = NULL; |
a6918753 PP |
2581 | goto end; |
2582 | } | |
2583 | ||
c9d45a6b | 2584 | msg_it->packet_context_field = NULL; |
a6918753 PP |
2585 | |
2586 | /* | |
c9d45a6b | 2587 | * At this point msg_it->dscopes.stream_packet_context |
0476f6f7 | 2588 | * has the same value as the packet context field within |
c9d45a6b | 2589 | * msg_it->packet. |
a6918753 | 2590 | */ |
78cf9df6 | 2591 | BT_ASSERT(bt_packet_borrow_context_field( |
c9d45a6b FD |
2592 | msg_it->packet) == |
2593 | msg_it->dscopes.stream_packet_context); | |
a6918753 PP |
2594 | } |
2595 | ||
6c7642c2 | 2596 | BT_ASSERT(msg_it->self_msg_iter); |
96a0a69d | 2597 | |
c9d45a6b FD |
2598 | if (msg_it->meta.sc->packets_have_ts_begin) { |
2599 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
29b36c79 FD |
2600 | uint64_t raw_cs_value; |
2601 | ||
2602 | /* | |
2603 | * Either use the decoded packet `timestamp_begin` field or the | |
2604 | * current stream's default clock_snapshot. | |
2605 | */ | |
2606 | if (use_default_cs) { | |
c9d45a6b | 2607 | raw_cs_value = msg_it->default_clock_snapshot; |
29b36c79 | 2608 | } else { |
c9d45a6b | 2609 | raw_cs_value = msg_it->snapshots.beginning_clock; |
29b36c79 FD |
2610 | } |
2611 | ||
92f86a9e | 2612 | msg = bt_message_packet_beginning_create_with_default_clock_snapshot( |
6c7642c2 | 2613 | msg_it->self_msg_iter, msg_it->packet, |
29b36c79 | 2614 | raw_cs_value); |
92f86a9e | 2615 | } else { |
6c7642c2 | 2616 | msg = bt_message_packet_beginning_create(msg_it->self_msg_iter, |
c9d45a6b | 2617 | msg_it->packet); |
96a0a69d PP |
2618 | } |
2619 | ||
b09a5592 | 2620 | if (!msg) { |
0f077192 FD |
2621 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2622 | "Cannot create packet beginning message: " | |
c9d45a6b FD |
2623 | "msg-it-addr=%p, packet-addr=%p", |
2624 | msg_it, msg_it->packet); | |
8fc063a2 | 2625 | goto end; |
78586d8a | 2626 | } |
a6918753 | 2627 | |
8fc063a2 | 2628 | end: |
699a0ffb | 2629 | return msg; |
e98a2d6e PP |
2630 | } |
2631 | ||
29b36c79 | 2632 | static |
5d452e1f | 2633 | bt_message *emit_delayed_packet_beg_msg(struct ctf_msg_iter *msg_it) |
29b36c79 FD |
2634 | { |
2635 | bool packet_beg_ts_need_fix_up; | |
2636 | ||
c9d45a6b | 2637 | msg_it->emit_delayed_packet_beginning_msg = false; |
29b36c79 FD |
2638 | |
2639 | /* | |
2640 | * Only fix the packet's timestamp_begin if it's larger than the first | |
2641 | * event of the packet. If there was no event in the packet, the | |
2642 | * `default_clock_snapshot` field will be either equal or greater than | |
2643 | * `snapshots.beginning_clock` so there is not fix needed. | |
2644 | */ | |
2645 | packet_beg_ts_need_fix_up = | |
c9d45a6b | 2646 | msg_it->default_clock_snapshot < msg_it->snapshots.beginning_clock; |
29b36c79 FD |
2647 | |
2648 | /* create_msg_packet_beginning() logs errors */ | |
c9d45a6b | 2649 | return create_msg_packet_beginning(msg_it, packet_beg_ts_need_fix_up); |
29b36c79 FD |
2650 | } |
2651 | ||
2652 | ||
78586d8a | 2653 | static |
5d452e1f | 2654 | bt_message *create_msg_packet_end(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2655 | { |
b09a5592 | 2656 | bt_message *msg; |
6069b85e | 2657 | bool update_default_cs = true; |
c9d45a6b | 2658 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2659 | |
c9d45a6b | 2660 | if (!msg_it->packet) { |
699a0ffb FD |
2661 | msg = NULL; |
2662 | goto end; | |
e98a2d6e PP |
2663 | } |
2664 | ||
29b36c79 FD |
2665 | /* |
2666 | * Check if we need to emit the delayed packet | |
2667 | * beginning message instead of the packet end message. | |
2668 | */ | |
c9d45a6b FD |
2669 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2670 | msg = emit_delayed_packet_beg_msg(msg_it); | |
29b36c79 | 2671 | /* Don't forget to emit the packet end message. */ |
c9d45a6b | 2672 | msg_it->state = STATE_EMIT_QUEUED_MSG_PACKET_END; |
699a0ffb | 2673 | goto end; |
29b36c79 FD |
2674 | } |
2675 | ||
6069b85e | 2676 | /* Check if may be affected by lttng-crash timestamp_end quirk. */ |
c9d45a6b | 2677 | if (G_UNLIKELY(msg_it->meta.tc->quirks.lttng_crash)) { |
6069b85e FD |
2678 | /* |
2679 | * Check if the `timestamp_begin` field is non-zero but | |
2680 | * `timestamp_end` is zero. It means the trace is affected by | |
2681 | * the lttng-crash packet `timestamp_end` quirk and must be | |
2682 | * fixed up by omitting to update the default clock snapshot to | |
2683 | * the `timestamp_end` as is typically done. | |
2684 | */ | |
c9d45a6b FD |
2685 | if (msg_it->snapshots.beginning_clock != 0 && |
2686 | msg_it->snapshots.end_clock == 0) { | |
6069b85e FD |
2687 | update_default_cs = false; |
2688 | } | |
2689 | } | |
2690 | ||
1a8205fb FD |
2691 | /* |
2692 | * Check if may be affected by lttng event-after-packet `timestamp_end` | |
2693 | * quirk. | |
2694 | */ | |
c9d45a6b | 2695 | if (msg_it->meta.tc->quirks.lttng_event_after_packet) { |
1a8205fb FD |
2696 | /* |
2697 | * Check if `timestamp_end` is smaller then the current | |
2698 | * default_clock_snapshot (which is set to the last event | |
2699 | * decoded). It means the trace is affected by the lttng | |
2700 | * `event-after-packet` packet `timestamp_end` quirk and must | |
2701 | * be fixed up by omitting to update the default clock snapshot | |
2702 | * to the `timestamp_end` as is typically done. | |
2703 | */ | |
c9d45a6b | 2704 | if (msg_it->snapshots.end_clock < msg_it->default_clock_snapshot) { |
1a8205fb FD |
2705 | update_default_cs = false; |
2706 | } | |
2707 | } | |
2708 | ||
6069b85e | 2709 | /* Update default clock from packet's end time. */ |
c9d45a6b FD |
2710 | if (msg_it->snapshots.end_clock != UINT64_C(-1) && update_default_cs) { |
2711 | msg_it->default_clock_snapshot = msg_it->snapshots.end_clock; | |
7b33a0e0 PP |
2712 | } |
2713 | ||
6c7642c2 | 2714 | BT_ASSERT(msg_it->self_msg_iter); |
96a0a69d | 2715 | |
c9d45a6b FD |
2716 | if (msg_it->meta.sc->packets_have_ts_end) { |
2717 | BT_ASSERT(msg_it->snapshots.end_clock != UINT64_C(-1)); | |
96a0a69d | 2718 | msg = bt_message_packet_end_create_with_default_clock_snapshot( |
6c7642c2 | 2719 | msg_it->self_msg_iter, msg_it->packet, |
c9d45a6b | 2720 | msg_it->default_clock_snapshot); |
92f86a9e | 2721 | } else { |
6c7642c2 | 2722 | msg = bt_message_packet_end_create(msg_it->self_msg_iter, |
c9d45a6b | 2723 | msg_it->packet); |
96a0a69d PP |
2724 | } |
2725 | ||
b09a5592 | 2726 | if (!msg) { |
0f077192 FD |
2727 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2728 | "Cannot create packet end message: " | |
c9d45a6b FD |
2729 | "msg-it-addr=%p, packet-addr=%p", |
2730 | msg_it, msg_it->packet); | |
699a0ffb | 2731 | goto end; |
e5815ba2 | 2732 | |
78586d8a | 2733 | } |
e98a2d6e | 2734 | |
c9d45a6b | 2735 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
699a0ffb FD |
2736 | |
2737 | end: | |
2738 | return msg; | |
e98a2d6e PP |
2739 | } |
2740 | ||
989925d1 | 2741 | static |
5d452e1f | 2742 | bt_message *create_msg_discarded_events(struct ctf_msg_iter *msg_it) |
989925d1 PP |
2743 | { |
2744 | bt_message *msg; | |
c9d45a6b | 2745 | bt_self_component *self_comp = msg_it->self_comp; |
989925d1 PP |
2746 | uint64_t beginning_raw_value = UINT64_C(-1); |
2747 | uint64_t end_raw_value = UINT64_C(-1); | |
989925d1 | 2748 | |
6c7642c2 | 2749 | BT_ASSERT(msg_it->self_msg_iter); |
c9d45a6b FD |
2750 | BT_ASSERT(msg_it->stream); |
2751 | BT_ASSERT(msg_it->meta.sc->has_discarded_events); | |
989925d1 | 2752 | |
c9d45a6b FD |
2753 | if (msg_it->meta.sc->discarded_events_have_default_cs) { |
2754 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { | |
32476570 PP |
2755 | /* |
2756 | * We discarded events, but before (and possibly | |
2757 | * including) the current packet: use this packet's time | |
2758 | * range, and do not have a specific count. | |
2759 | */ | |
c9d45a6b FD |
2760 | beginning_raw_value = msg_it->snapshots.beginning_clock; |
2761 | end_raw_value = msg_it->snapshots.end_clock; | |
32476570 | 2762 | } else { |
c9d45a6b FD |
2763 | beginning_raw_value = msg_it->prev_packet_snapshots.end_clock; |
2764 | end_raw_value = msg_it->snapshots.end_clock; | |
32476570 | 2765 | } |
989925d1 | 2766 | |
32476570 PP |
2767 | BT_ASSERT(beginning_raw_value != UINT64_C(-1)); |
2768 | BT_ASSERT(end_raw_value != UINT64_C(-1)); | |
989925d1 | 2769 | msg = bt_message_discarded_events_create_with_default_clock_snapshots( |
6c7642c2 | 2770 | msg_it->self_msg_iter, msg_it->stream, beginning_raw_value, |
989925d1 PP |
2771 | end_raw_value); |
2772 | } else { | |
6c7642c2 | 2773 | msg = bt_message_discarded_events_create(msg_it->self_msg_iter, |
c9d45a6b | 2774 | msg_it->stream); |
989925d1 PP |
2775 | } |
2776 | ||
2777 | if (!msg) { | |
0f077192 FD |
2778 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2779 | "Cannot create discarded events message: " | |
c9d45a6b FD |
2780 | "msg-it-addr=%p, stream-addr=%p", |
2781 | msg_it, msg_it->stream); | |
699a0ffb | 2782 | goto end; |
989925d1 PP |
2783 | } |
2784 | ||
c9d45a6b | 2785 | if (msg_it->prev_packet_snapshots.discarded_events != UINT64_C(-1)) { |
32476570 | 2786 | bt_message_discarded_events_set_count(msg, |
c9d45a6b FD |
2787 | msg_it->snapshots.discarded_events - |
2788 | msg_it->prev_packet_snapshots.discarded_events); | |
989925d1 PP |
2789 | } |
2790 | ||
699a0ffb FD |
2791 | end: |
2792 | return msg; | |
989925d1 PP |
2793 | } |
2794 | ||
2795 | static | |
5d452e1f | 2796 | bt_message *create_msg_discarded_packets(struct ctf_msg_iter *msg_it) |
989925d1 PP |
2797 | { |
2798 | bt_message *msg; | |
c9d45a6b | 2799 | bt_self_component *self_comp = msg_it->self_comp; |
989925d1 | 2800 | |
6c7642c2 | 2801 | BT_ASSERT(msg_it->self_msg_iter); |
c9d45a6b FD |
2802 | BT_ASSERT(msg_it->stream); |
2803 | BT_ASSERT(msg_it->meta.sc->has_discarded_packets); | |
2804 | BT_ASSERT(msg_it->prev_packet_snapshots.packets != | |
989925d1 PP |
2805 | UINT64_C(-1)); |
2806 | ||
c9d45a6b FD |
2807 | if (msg_it->meta.sc->discarded_packets_have_default_cs) { |
2808 | BT_ASSERT(msg_it->prev_packet_snapshots.end_clock != UINT64_C(-1)); | |
2809 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
989925d1 | 2810 | msg = bt_message_discarded_packets_create_with_default_clock_snapshots( |
6c7642c2 | 2811 | msg_it->self_msg_iter, msg_it->stream, |
c9d45a6b FD |
2812 | msg_it->prev_packet_snapshots.end_clock, |
2813 | msg_it->snapshots.beginning_clock); | |
989925d1 | 2814 | } else { |
6c7642c2 | 2815 | msg = bt_message_discarded_packets_create(msg_it->self_msg_iter, |
c9d45a6b | 2816 | msg_it->stream); |
989925d1 PP |
2817 | } |
2818 | ||
2819 | if (!msg) { | |
0f077192 FD |
2820 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2821 | "Cannot create discarded packets message: " | |
c9d45a6b FD |
2822 | "msg-it-addr=%p, stream-addr=%p", |
2823 | msg_it, msg_it->stream); | |
699a0ffb | 2824 | goto end; |
989925d1 PP |
2825 | } |
2826 | ||
2827 | bt_message_discarded_packets_set_count(msg, | |
c9d45a6b FD |
2828 | msg_it->snapshots.packets - |
2829 | msg_it->prev_packet_snapshots.packets - 1); | |
699a0ffb FD |
2830 | |
2831 | end: | |
2832 | return msg; | |
989925d1 PP |
2833 | } |
2834 | ||
c44c3e70 | 2835 | BT_HIDDEN |
2428e031 SM |
2836 | struct ctf_msg_iter *ctf_msg_iter_create( |
2837 | struct ctf_trace_class *tc, | |
e98a2d6e | 2838 | size_t max_request_sz, |
5d452e1f | 2839 | struct ctf_msg_iter_medium_ops medops, void *data, |
2428e031 SM |
2840 | bt_logging_level log_level, |
2841 | bt_self_component *self_comp, | |
2842 | bt_self_message_iterator *self_msg_iter) | |
e98a2d6e | 2843 | { |
5d452e1f | 2844 | struct ctf_msg_iter *msg_it = NULL; |
939190b3 PP |
2845 | struct bt_bfcr_cbs cbs = { |
2846 | .classes = { | |
2847 | .signed_int = bfcr_signed_int_cb, | |
2848 | .unsigned_int = bfcr_unsigned_int_cb, | |
2849 | .floating_point = bfcr_floating_point_cb, | |
2850 | .string_begin = bfcr_string_begin_cb, | |
2851 | .string = bfcr_string_cb, | |
2852 | .string_end = bfcr_string_end_cb, | |
2853 | .compound_begin = bfcr_compound_begin_cb, | |
2854 | .compound_end = bfcr_compound_end_cb, | |
e98a2d6e PP |
2855 | }, |
2856 | .query = { | |
939190b3 PP |
2857 | .get_sequence_length = bfcr_get_sequence_length_cb, |
2858 | .borrow_variant_selected_field_class = bfcr_borrow_variant_selected_field_class_cb, | |
e98a2d6e PP |
2859 | }, |
2860 | }; | |
2861 | ||
7b33a0e0 | 2862 | BT_ASSERT(tc); |
8b45963b | 2863 | BT_ASSERT(medops.request_bytes); |
a6918753 | 2864 | BT_ASSERT(medops.borrow_stream); |
640a46fd SM |
2865 | BT_ASSERT(max_request_sz > 0); |
2866 | ||
e310e6e2 | 2867 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, log_level, self_comp, |
f8811e3b | 2868 | "Creating CTF plugin message iterator: " |
10b7a2e4 | 2869 | "trace-addr=%p, max-request-size=%zu, " |
f8811e3b PP |
2870 | "data=%p, log-level=%s", tc, max_request_sz, data, |
2871 | bt_common_logging_level_string(log_level)); | |
5d452e1f | 2872 | msg_it = g_new0(struct ctf_msg_iter, 1); |
c9d45a6b | 2873 | if (!msg_it) { |
e310e6e2 | 2874 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
f8811e3b | 2875 | "Failed to allocate one CTF plugin message iterator."); |
e98a2d6e PP |
2876 | goto end; |
2877 | } | |
c9d45a6b | 2878 | msg_it->self_comp = self_comp; |
2428e031 | 2879 | msg_it->self_msg_iter = self_msg_iter; |
c9d45a6b FD |
2880 | msg_it->log_level = log_level; |
2881 | msg_it->meta.tc = tc; | |
2882 | msg_it->medium.medops = medops; | |
2883 | msg_it->medium.max_request_sz = max_request_sz; | |
2884 | msg_it->medium.data = data; | |
2885 | msg_it->stack = stack_new(msg_it); | |
2886 | msg_it->stored_values = g_array_new(FALSE, TRUE, sizeof(uint64_t)); | |
2887 | g_array_set_size(msg_it->stored_values, tc->stored_value_count); | |
2888 | ||
2889 | if (!msg_it->stack) { | |
0f077192 FD |
2890 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2891 | "Failed to create field stack."); | |
c44c3e70 | 2892 | goto error; |
e98a2d6e PP |
2893 | } |
2894 | ||
c9d45a6b FD |
2895 | msg_it->bfcr = bt_bfcr_create(cbs, msg_it, log_level, NULL); |
2896 | if (!msg_it->bfcr) { | |
0f077192 FD |
2897 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2898 | "Failed to create binary class reader (BFCR)."); | |
c44c3e70 | 2899 | goto error; |
e98a2d6e PP |
2900 | } |
2901 | ||
5d452e1f | 2902 | ctf_msg_iter_reset(msg_it); |
e310e6e2 | 2903 | BT_COMP_LOGD("Created CTF plugin message iterator: " |
10b7a2e4 | 2904 | "trace-addr=%p, max-request-size=%zu, " |
c9d45a6b FD |
2905 | "data=%p, msg-it-addr=%p, log-level=%s", |
2906 | tc, max_request_sz, data, msg_it, | |
f8811e3b | 2907 | bt_common_logging_level_string(log_level)); |
c9d45a6b | 2908 | msg_it->cur_packet_offset = 0; |
fdf0e7a0 | 2909 | |
e98a2d6e | 2910 | end: |
c9d45a6b | 2911 | return msg_it; |
fdf0e7a0 | 2912 | |
c44c3e70 | 2913 | error: |
5d452e1f | 2914 | ctf_msg_iter_destroy(msg_it); |
c9d45a6b | 2915 | msg_it = NULL; |
c44c3e70 | 2916 | goto end; |
e98a2d6e PP |
2917 | } |
2918 | ||
5d452e1f | 2919 | void ctf_msg_iter_destroy(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2920 | { |
c9d45a6b FD |
2921 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
2922 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
2923 | release_all_dscopes(msg_it); | |
e98a2d6e | 2924 | |
c9d45a6b | 2925 | BT_COMP_LOGD("Destroying CTF plugin message iterator: addr=%p", msg_it); |
fdf0e7a0 | 2926 | |
c9d45a6b | 2927 | if (msg_it->stack) { |
e310e6e2 | 2928 | BT_COMP_LOGD_STR("Destroying field stack."); |
c9d45a6b | 2929 | stack_destroy(msg_it->stack); |
e98a2d6e PP |
2930 | } |
2931 | ||
c9d45a6b FD |
2932 | if (msg_it->bfcr) { |
2933 | BT_COMP_LOGD("Destroying BFCR: bfcr-addr=%p", msg_it->bfcr); | |
2934 | bt_bfcr_destroy(msg_it->bfcr); | |
e98a2d6e PP |
2935 | } |
2936 | ||
c9d45a6b FD |
2937 | if (msg_it->stored_values) { |
2938 | g_array_free(msg_it->stored_values, TRUE); | |
5f870343 | 2939 | } |
fdf0e7a0 | 2940 | |
c9d45a6b | 2941 | g_free(msg_it); |
e98a2d6e PP |
2942 | } |
2943 | ||
5d452e1f SM |
2944 | enum ctf_msg_iter_status ctf_msg_iter_get_next_message( |
2945 | struct ctf_msg_iter *msg_it, | |
55e57fc9 | 2946 | const bt_message **message) |
e98a2d6e | 2947 | { |
5d452e1f | 2948 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 2949 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2950 | |
c9d45a6b | 2951 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 2952 | BT_ASSERT_DBG(message); |
c9d45a6b FD |
2953 | msg_it->set_stream = true; |
2954 | BT_COMP_LOGD("Getting next message: msg-it-addr=%p", msg_it); | |
fdf0e7a0 | 2955 | |
e98a2d6e | 2956 | while (true) { |
c9d45a6b | 2957 | status = handle_state(msg_it); |
5d452e1f SM |
2958 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
2959 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
7cdc2bab | 2960 | goto end; |
5d452e1f | 2961 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
0f077192 | 2962 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
2963 | "Cannot handle state: msg-it-addr=%p, state=%s", |
2964 | msg_it, state_string(msg_it->state)); | |
e98a2d6e PP |
2965 | goto end; |
2966 | } | |
2967 | ||
c9d45a6b | 2968 | switch (msg_it->state) { |
bbbd35bf | 2969 | case STATE_EMIT_MSG_EVENT: |
c9d45a6b | 2970 | BT_ASSERT_DBG(msg_it->event_msg); |
29b36c79 FD |
2971 | |
2972 | /* | |
2973 | * Check if we need to emit the delayed packet | |
2974 | * beginning message instead of the event message. | |
2975 | */ | |
c9d45a6b FD |
2976 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2977 | *message = emit_delayed_packet_beg_msg(msg_it); | |
29b36c79 | 2978 | if (!*message) { |
5d452e1f | 2979 | status = CTF_MSG_ITER_STATUS_ERROR; |
29b36c79 FD |
2980 | } |
2981 | ||
2982 | /* | |
2983 | * Don't forget to emit the event message of | |
2984 | * the event record that was just decoded. | |
2985 | */ | |
c9d45a6b | 2986 | msg_it->state = STATE_EMIT_QUEUED_MSG_EVENT; |
29b36c79 FD |
2987 | |
2988 | } else { | |
c9d45a6b FD |
2989 | *message = msg_it->event_msg; |
2990 | msg_it->event_msg = NULL; | |
29b36c79 | 2991 | } |
989925d1 PP |
2992 | goto end; |
2993 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
2994 | /* create_msg_discared_events() logs errors */ | |
c9d45a6b | 2995 | *message = create_msg_discarded_events(msg_it); |
989925d1 PP |
2996 | |
2997 | if (!*message) { | |
5d452e1f | 2998 | status = CTF_MSG_ITER_STATUS_ERROR; |
989925d1 PP |
2999 | } |
3000 | ||
3001 | goto end; | |
3002 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
3003 | /* create_msg_discared_packets() logs errors */ | |
c9d45a6b | 3004 | *message = create_msg_discarded_packets(msg_it); |
989925d1 PP |
3005 | |
3006 | if (!*message) { | |
5d452e1f | 3007 | status = CTF_MSG_ITER_STATUS_ERROR; |
989925d1 PP |
3008 | } |
3009 | ||
bbbd35bf PP |
3010 | goto end; |
3011 | case STATE_EMIT_MSG_PACKET_BEGINNING: | |
c9d45a6b | 3012 | status = set_current_packet(msg_it); |
5d452e1f | 3013 | if (status != CTF_MSG_ITER_STATUS_OK) { |
29b36c79 FD |
3014 | goto end; |
3015 | } | |
7b33a0e0 | 3016 | |
c9d45a6b FD |
3017 | if (G_UNLIKELY(msg_it->meta.tc->quirks.barectf_event_before_packet)) { |
3018 | msg_it->emit_delayed_packet_beginning_msg = true; | |
29b36c79 FD |
3019 | /* |
3020 | * There is no message to return yet as this | |
3021 | * packet beginning message is delayed until we | |
3022 | * decode the first event message of the | |
3023 | * packet. | |
3024 | */ | |
3025 | break; | |
3026 | } else { | |
3027 | /* create_msg_packet_beginning() logs errors */ | |
c9d45a6b | 3028 | *message = create_msg_packet_beginning(msg_it, false); |
29b36c79 | 3029 | if (!*message) { |
5d452e1f | 3030 | status = CTF_MSG_ITER_STATUS_ERROR; |
29b36c79 | 3031 | } |
6ff151ad | 3032 | } |
7b33a0e0 | 3033 | |
6ff151ad | 3034 | goto end; |
bbbd35bf PP |
3035 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
3036 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
3037 | /* create_msg_packet_end() logs errors */ | |
c9d45a6b | 3038 | *message = create_msg_packet_end(msg_it); |
7b33a0e0 | 3039 | |
b09a5592 | 3040 | if (!*message) { |
5d452e1f | 3041 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e | 3042 | } |
a6918753 | 3043 | |
989925d1 | 3044 | goto end; |
bbbd35bf | 3045 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
989925d1 | 3046 | /* create_msg_stream_beginning() logs errors */ |
c9d45a6b | 3047 | *message = create_msg_stream_beginning(msg_it); |
bbbd35bf | 3048 | |
989925d1 | 3049 | if (!*message) { |
5d452e1f | 3050 | status = CTF_MSG_ITER_STATUS_ERROR; |
bbbd35bf PP |
3051 | } |
3052 | ||
989925d1 | 3053 | goto end; |
bbbd35bf | 3054 | case STATE_EMIT_MSG_STREAM_END: |
989925d1 | 3055 | /* create_msg_stream_end() logs errors */ |
c9d45a6b | 3056 | *message = create_msg_stream_end(msg_it); |
bbbd35bf | 3057 | |
989925d1 | 3058 | if (!*message) { |
5d452e1f | 3059 | status = CTF_MSG_ITER_STATUS_ERROR; |
bbbd35bf PP |
3060 | } |
3061 | ||
989925d1 | 3062 | goto end; |
bbbd35bf | 3063 | case STATE_DONE: |
5d452e1f | 3064 | status = CTF_MSG_ITER_STATUS_EOF; |
e98a2d6e PP |
3065 | goto end; |
3066 | default: | |
3067 | /* Non-emitting state: continue */ | |
3068 | break; | |
3069 | } | |
3070 | } | |
3071 | ||
3072 | end: | |
3073 | return status; | |
3074 | } | |
87187cbf | 3075 | |
e5e71bf8 | 3076 | static |
5d452e1f | 3077 | enum ctf_msg_iter_status decode_until_state( struct ctf_msg_iter *msg_it, |
5ce43109 | 3078 | enum state target_state_1, enum state target_state_2) |
87187cbf | 3079 | { |
5d452e1f | 3080 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 3081 | bt_self_component *self_comp = msg_it->self_comp; |
87187cbf | 3082 | |
c9d45a6b FD |
3083 | BT_ASSERT_DBG(msg_it); |
3084 | msg_it->set_stream = false; | |
87187cbf | 3085 | |
d67906d7 FD |
3086 | do { |
3087 | /* | |
3088 | * Check if we reached the state at which we want to stop | |
3089 | * decoding. | |
3090 | */ | |
c9d45a6b FD |
3091 | if (msg_it->state == target_state_1 || |
3092 | msg_it->state == target_state_2) { | |
d67906d7 FD |
3093 | goto end; |
3094 | } | |
87187cbf | 3095 | |
c9d45a6b | 3096 | status = handle_state(msg_it); |
5d452e1f SM |
3097 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
3098 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
87187cbf | 3099 | goto end; |
5d452e1f | 3100 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
0f077192 | 3101 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
3102 | "Cannot handle state: msg-it-addr=%p, state=%s", |
3103 | msg_it, state_string(msg_it->state)); | |
87187cbf PP |
3104 | goto end; |
3105 | } | |
3106 | ||
c9d45a6b | 3107 | switch (msg_it->state) { |
87187cbf | 3108 | case STATE_INIT: |
01ed875d | 3109 | case STATE_SWITCH_PACKET: |
87187cbf PP |
3110 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
3111 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3112 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3113 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3114 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3115 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
989925d1 | 3116 | case STATE_CHECK_EMIT_MSG_STREAM_BEGINNING: |
bbbd35bf | 3117 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
989925d1 PP |
3118 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: |
3119 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
3120 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
3121 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
d67906d7 FD |
3122 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
3123 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: | |
3124 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: | |
3125 | case STATE_AFTER_EVENT_HEADER: | |
3126 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: | |
3127 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: | |
3128 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: | |
3129 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: | |
3130 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
3131 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
3132 | case STATE_EMIT_MSG_EVENT: | |
29b36c79 | 3133 | case STATE_EMIT_QUEUED_MSG_EVENT: |
d67906d7 FD |
3134 | case STATE_SKIP_PACKET_PADDING: |
3135 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
3136 | case STATE_EMIT_MSG_PACKET_END_SINGLE: | |
29b36c79 | 3137 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
d67906d7 FD |
3138 | case STATE_CHECK_EMIT_MSG_STREAM_END: |
3139 | case STATE_EMIT_MSG_STREAM_END: | |
87187cbf | 3140 | break; |
d67906d7 FD |
3141 | case STATE_DONE: |
3142 | /* fall-through */ | |
87187cbf | 3143 | default: |
d67906d7 | 3144 | /* We should never get to the STATE_DONE state. */ |
c9d45a6b FD |
3145 | BT_COMP_LOGF("Unexpected state: msg-it-addr=%p, state=%s", |
3146 | msg_it, state_string(msg_it->state)); | |
24847fc7 | 3147 | bt_common_abort(); |
87187cbf | 3148 | } |
d67906d7 | 3149 | } while (true); |
87187cbf | 3150 | |
e5e71bf8 | 3151 | end: |
d67906d7 FD |
3152 | return status; |
3153 | } | |
3154 | ||
3155 | static | |
5d452e1f SM |
3156 | enum ctf_msg_iter_status read_packet_header_context_fields( |
3157 | struct ctf_msg_iter *msg_it) | |
d67906d7 FD |
3158 | { |
3159 | int ret; | |
5d452e1f | 3160 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
d67906d7 | 3161 | |
c9d45a6b | 3162 | status = decode_until_state(msg_it, STATE_EMIT_MSG_PACKET_BEGINNING, -1); |
5d452e1f | 3163 | if (status != CTF_MSG_ITER_STATUS_OK) { |
d67906d7 FD |
3164 | goto end; |
3165 | } | |
3166 | ||
c9d45a6b | 3167 | ret = set_current_packet_content_sizes(msg_it); |
a6918753 | 3168 | if (ret) { |
5d452e1f | 3169 | status = CTF_MSG_ITER_STATUS_ERROR; |
d67906d7 | 3170 | goto end; |
a6918753 PP |
3171 | } |
3172 | ||
d67906d7 | 3173 | end: |
87187cbf PP |
3174 | return status; |
3175 | } | |
55fa6491 | 3176 | |
bb230c9b | 3177 | BT_HIDDEN |
5d452e1f | 3178 | enum ctf_msg_iter_status ctf_msg_iter_seek(struct ctf_msg_iter *msg_it, |
bbbd35bf | 3179 | off_t offset) |
bb230c9b | 3180 | { |
5d452e1f | 3181 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
5d452e1f | 3182 | enum ctf_msg_iter_medium_status medium_status; |
bb230c9b | 3183 | |
c9d45a6b | 3184 | BT_ASSERT(msg_it); |
ebe4c684 | 3185 | BT_ASSERT(offset >= 0); |
eaecdbb2 | 3186 | BT_ASSERT(msg_it->medium.medops.seek); |
bb230c9b | 3187 | |
9a4c10a7 | 3188 | medium_status = msg_it->medium.medops.seek(offset, msg_it->medium.data); |
5d452e1f SM |
3189 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
3190 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
3191 | status = CTF_MSG_ITER_STATUS_EOF; | |
bb230c9b | 3192 | } else { |
5d452e1f | 3193 | status = CTF_MSG_ITER_STATUS_ERROR; |
bb230c9b JG |
3194 | goto end; |
3195 | } | |
3196 | } | |
3197 | ||
5d452e1f | 3198 | ctf_msg_iter_reset(msg_it); |
c9d45a6b | 3199 | msg_it->cur_packet_offset = offset; |
7b33a0e0 | 3200 | |
bb230c9b | 3201 | end: |
977d6cc0 | 3202 | return status; |
bb230c9b JG |
3203 | } |
3204 | ||
5ce43109 | 3205 | static |
5d452e1f SM |
3206 | enum ctf_msg_iter_status clock_snapshot_at_msg_iter_state( |
3207 | struct ctf_msg_iter *msg_it, enum state target_state_1, | |
5ce43109 FD |
3208 | enum state target_state_2, uint64_t *clock_snapshot) |
3209 | { | |
5d452e1f | 3210 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
5ce43109 | 3211 | |
c9d45a6b | 3212 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 3213 | BT_ASSERT_DBG(clock_snapshot); |
c9d45a6b | 3214 | status = decode_until_state(msg_it, target_state_1, target_state_2); |
5d452e1f | 3215 | if (status != CTF_MSG_ITER_STATUS_OK) { |
5ce43109 FD |
3216 | goto end; |
3217 | } | |
3218 | ||
c9d45a6b | 3219 | *clock_snapshot = msg_it->default_clock_snapshot; |
5ce43109 FD |
3220 | end: |
3221 | return status; | |
3222 | } | |
3223 | ||
3224 | BT_HIDDEN | |
5d452e1f SM |
3225 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_first_event_clock_snapshot( |
3226 | struct ctf_msg_iter *msg_it, uint64_t *first_clock_snapshot) | |
5ce43109 | 3227 | { |
c9d45a6b | 3228 | return clock_snapshot_at_msg_iter_state(msg_it, |
5ce43109 FD |
3229 | STATE_AFTER_EVENT_HEADER, -1, first_clock_snapshot); |
3230 | } | |
3231 | ||
3232 | BT_HIDDEN | |
5d452e1f SM |
3233 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_last_event_clock_snapshot( |
3234 | struct ctf_msg_iter *msg_it, uint64_t *last_clock_snapshot) | |
5ce43109 | 3235 | { |
c9d45a6b | 3236 | return clock_snapshot_at_msg_iter_state(msg_it, |
5ce43109 FD |
3237 | STATE_EMIT_MSG_PACKET_END_SINGLE, |
3238 | STATE_EMIT_MSG_PACKET_END_MULTI, last_clock_snapshot); | |
3239 | } | |
3240 | ||
7b33a0e0 | 3241 | BT_HIDDEN |
5d452e1f SM |
3242 | enum ctf_msg_iter_status ctf_msg_iter_get_packet_properties( |
3243 | struct ctf_msg_iter *msg_it, | |
3244 | struct ctf_msg_iter_packet_properties *props) | |
7b33a0e0 | 3245 | { |
5d452e1f | 3246 | enum ctf_msg_iter_status status; |
e5e71bf8 | 3247 | |
c9d45a6b | 3248 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 3249 | BT_ASSERT_DBG(props); |
c9d45a6b | 3250 | status = read_packet_header_context_fields(msg_it); |
5d452e1f | 3251 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e5e71bf8 PP |
3252 | goto end; |
3253 | } | |
7b33a0e0 | 3254 | |
c9d45a6b FD |
3255 | props->exp_packet_total_size = msg_it->cur_exp_packet_total_size; |
3256 | props->exp_packet_content_size = msg_it->cur_exp_packet_content_size; | |
3257 | props->stream_class_id = (uint64_t) msg_it->cur_stream_class_id; | |
3258 | props->data_stream_id = msg_it->cur_data_stream_id; | |
3259 | props->snapshots.discarded_events = msg_it->snapshots.discarded_events; | |
3260 | props->snapshots.packets = msg_it->snapshots.packets; | |
3261 | props->snapshots.beginning_clock = msg_it->snapshots.beginning_clock; | |
3262 | props->snapshots.end_clock = msg_it->snapshots.end_clock; | |
e5e71bf8 PP |
3263 | |
3264 | end: | |
3265 | return status; | |
bb230c9b | 3266 | } |
bbbd35bf PP |
3267 | |
3268 | BT_HIDDEN | |
5d452e1f | 3269 | void ctf_msg_iter_set_emit_stream_beginning_message(struct ctf_msg_iter *msg_it, |
bbbd35bf PP |
3270 | bool val) |
3271 | { | |
c9d45a6b | 3272 | msg_it->emit_stream_begin_msg = val; |
bbbd35bf PP |
3273 | } |
3274 | ||
3275 | BT_HIDDEN | |
5d452e1f | 3276 | void ctf_msg_iter_set_emit_stream_end_message(struct ctf_msg_iter *msg_it, |
bbbd35bf PP |
3277 | bool val) |
3278 | { | |
c9d45a6b | 3279 | msg_it->emit_stream_end_msg = val; |
bbbd35bf | 3280 | } |
8482a078 FD |
3281 | |
3282 | BT_HIDDEN | |
5d452e1f | 3283 | void ctf_msg_iter_set_dry_run(struct ctf_msg_iter *msg_it, |
8482a078 FD |
3284 | bool val) |
3285 | { | |
c9d45a6b | 3286 | msg_it->dry_run = val; |
8482a078 | 3287 | } |