Commit | Line | Data |
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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, | |
bbbd35bf | 90 | STATE_EMIT_MSG_STREAM_BEGINNING, |
989925d1 PP |
91 | STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS, |
92 | STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS, | |
93 | STATE_EMIT_MSG_DISCARDED_EVENTS, | |
94 | STATE_EMIT_MSG_DISCARDED_PACKETS, | |
bbbd35bf | 95 | STATE_EMIT_MSG_PACKET_BEGINNING, |
7b33a0e0 PP |
96 | STATE_DSCOPE_EVENT_HEADER_BEGIN, |
97 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, | |
98 | STATE_AFTER_EVENT_HEADER, | |
99 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN, | |
100 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
101 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, | |
102 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, | |
e98a2d6e PP |
103 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
104 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
b09a5592 | 105 | STATE_EMIT_MSG_EVENT, |
29b36c79 | 106 | STATE_EMIT_QUEUED_MSG_EVENT, |
e98a2d6e | 107 | STATE_SKIP_PACKET_PADDING, |
bbbd35bf PP |
108 | STATE_EMIT_MSG_PACKET_END_MULTI, |
109 | STATE_EMIT_MSG_PACKET_END_SINGLE, | |
29b36c79 | 110 | STATE_EMIT_QUEUED_MSG_PACKET_END, |
bbbd35bf PP |
111 | STATE_EMIT_MSG_STREAM_END, |
112 | STATE_DONE, | |
e98a2d6e PP |
113 | }; |
114 | ||
989925d1 PP |
115 | struct end_of_packet_snapshots { |
116 | uint64_t discarded_events; | |
117 | uint64_t packets; | |
118 | uint64_t beginning_clock; | |
119 | uint64_t end_clock; | |
120 | }; | |
121 | ||
b09a5592 | 122 | /* CTF message iterator */ |
5d452e1f | 123 | struct ctf_msg_iter { |
e98a2d6e PP |
124 | /* Visit stack */ |
125 | struct stack *stack; | |
126 | ||
b09a5592 | 127 | /* Current message iterator to create messages (weak) */ |
6c7642c2 | 128 | bt_self_message_iterator *self_msg_iter; |
f7c3ac09 | 129 | |
8482a078 FD |
130 | /* |
131 | * True if library objects are unavailable during the decoding and | |
132 | * should not be created/used. | |
133 | */ | |
134 | bool dry_run; | |
135 | ||
e98a2d6e PP |
136 | /* |
137 | * Current dynamic scope field pointer. | |
138 | * | |
a6918753 PP |
139 | * This is set by read_dscope_begin_state() and contains the |
140 | * value of one of the pointers in `dscopes` below. | |
e98a2d6e | 141 | */ |
8eee8ea2 | 142 | bt_field *cur_dscope_field; |
e98a2d6e | 143 | |
7b33a0e0 PP |
144 | /* |
145 | * True if we're done filling a string field from a text | |
146 | * array/sequence payload. | |
147 | */ | |
148 | bool done_filling_string; | |
149 | ||
150 | /* Trace and classes */ | |
e5e71bf8 PP |
151 | /* True to set IR fields */ |
152 | bool set_ir_fields; | |
153 | ||
e98a2d6e | 154 | struct { |
7b33a0e0 PP |
155 | struct ctf_trace_class *tc; |
156 | struct ctf_stream_class *sc; | |
157 | struct ctf_event_class *ec; | |
e98a2d6e PP |
158 | } meta; |
159 | ||
0476f6f7 | 160 | /* Current packet context field wrapper (NULL if not created yet) */ |
8eee8ea2 | 161 | bt_packet_context_field *packet_context_field; |
a6918753 | 162 | |
e98a2d6e | 163 | /* Current packet (NULL if not created yet) */ |
8eee8ea2 | 164 | bt_packet *packet; |
e98a2d6e | 165 | |
5184a1d6 | 166 | /* Current stream (NULL if not set yet) */ |
8eee8ea2 | 167 | bt_stream *stream; |
5184a1d6 | 168 | |
a6918753 | 169 | /* Current event (NULL if not created yet) */ |
8eee8ea2 | 170 | bt_event *event; |
a6918753 | 171 | |
b09a5592 PP |
172 | /* Current event message (NULL if not created yet) */ |
173 | bt_message *event_msg; | |
a6918753 | 174 | |
29b36c79 FD |
175 | /* |
176 | * True if we need to emit a packet beginning message before we emit | |
177 | * the next event message or the packet end message. | |
178 | */ | |
179 | bool emit_delayed_packet_beginning_msg; | |
180 | ||
7b33a0e0 | 181 | /* Database of current dynamic scopes */ |
e98a2d6e | 182 | struct { |
8eee8ea2 | 183 | bt_field *stream_packet_context; |
8eee8ea2 PP |
184 | bt_field *event_common_context; |
185 | bt_field *event_spec_context; | |
186 | bt_field *event_payload; | |
e98a2d6e PP |
187 | } dscopes; |
188 | ||
189 | /* Current state */ | |
190 | enum state state; | |
191 | ||
2cf1d51e | 192 | /* Current medium buffer data */ |
e98a2d6e PP |
193 | struct { |
194 | /* Last address provided by medium */ | |
195 | const uint8_t *addr; | |
196 | ||
197 | /* Buffer size provided by medium (bytes) */ | |
198 | size_t sz; | |
199 | ||
200 | /* Offset within whole packet of addr (bits) */ | |
201 | size_t packet_offset; | |
202 | ||
203 | /* Current position from addr (bits) */ | |
204 | size_t at; | |
9b876b7b PP |
205 | |
206 | /* Position of the last event header from addr (bits) */ | |
207 | size_t last_eh_at; | |
e98a2d6e PP |
208 | } buf; |
209 | ||
210 | /* Binary type reader */ | |
939190b3 | 211 | struct bt_bfcr *bfcr; |
e98a2d6e | 212 | |
2cf1d51e | 213 | /* Current medium data */ |
e98a2d6e | 214 | struct { |
5d452e1f | 215 | struct ctf_msg_iter_medium_ops medops; |
e98a2d6e PP |
216 | size_t max_request_sz; |
217 | void *data; | |
218 | } medium; | |
219 | ||
220 | /* Current packet size (bits) (-1 if unknown) */ | |
7b33a0e0 | 221 | int64_t cur_exp_packet_total_size; |
e98a2d6e PP |
222 | |
223 | /* Current content size (bits) (-1 if unknown) */ | |
7b33a0e0 | 224 | int64_t cur_exp_packet_content_size; |
c44c3e70 | 225 | |
7b33a0e0 PP |
226 | /* Current stream class ID */ |
227 | int64_t cur_stream_class_id; | |
bb230c9b | 228 | |
7b33a0e0 PP |
229 | /* Current event class ID */ |
230 | int64_t cur_event_class_id; | |
5f870343 | 231 | |
7b33a0e0 PP |
232 | /* Current data stream ID */ |
233 | int64_t cur_data_stream_id; | |
5f870343 JG |
234 | |
235 | /* | |
7b33a0e0 PP |
236 | * Offset, in the underlying media, of the current packet's |
237 | * start (-1 if unknown). | |
5f870343 | 238 | */ |
7b33a0e0 PP |
239 | off_t cur_packet_offset; |
240 | ||
241 | /* Default clock's current value */ | |
ecbb78c0 | 242 | uint64_t default_clock_snapshot; |
5f870343 | 243 | |
989925d1 PP |
244 | /* End of current packet snapshots */ |
245 | struct end_of_packet_snapshots snapshots; | |
246 | ||
247 | /* End of previous packet snapshots */ | |
248 | struct end_of_packet_snapshots prev_packet_snapshots; | |
7b33a0e0 PP |
249 | |
250 | /* Stored values (for sequence lengths, variant tags) */ | |
251 | GArray *stored_values; | |
f8811e3b PP |
252 | |
253 | /* Iterator's current log level */ | |
254 | bt_logging_level log_level; | |
e310e6e2 PP |
255 | |
256 | /* Iterator's owning self component, or `NULL` if none (query) */ | |
257 | bt_self_component *self_comp; | |
e98a2d6e PP |
258 | }; |
259 | ||
fdf0e7a0 PP |
260 | static inline |
261 | const char *state_string(enum state state) | |
262 | { | |
263 | switch (state) { | |
264 | case STATE_INIT: | |
e05f8464 | 265 | return "INIT"; |
01ed875d PP |
266 | case STATE_SWITCH_PACKET: |
267 | return "SWITCH_PACKET"; | |
fdf0e7a0 | 268 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
e05f8464 | 269 | return "DSCOPE_TRACE_PACKET_HEADER_BEGIN"; |
fdf0e7a0 | 270 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: |
e05f8464 | 271 | return "DSCOPE_TRACE_PACKET_HEADER_CONTINUE"; |
fdf0e7a0 | 272 | case STATE_AFTER_TRACE_PACKET_HEADER: |
e05f8464 | 273 | return "AFTER_TRACE_PACKET_HEADER"; |
fdf0e7a0 | 274 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: |
e05f8464 | 275 | return "DSCOPE_STREAM_PACKET_CONTEXT_BEGIN"; |
fdf0e7a0 | 276 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: |
e05f8464 | 277 | return "DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE"; |
fdf0e7a0 | 278 | case STATE_AFTER_STREAM_PACKET_CONTEXT: |
e05f8464 | 279 | return "AFTER_STREAM_PACKET_CONTEXT"; |
bbbd35bf | 280 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
e05f8464 | 281 | return "EMIT_MSG_STREAM_BEGINNING"; |
bbbd35bf | 282 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
e05f8464 | 283 | return "EMIT_MSG_PACKET_BEGINNING"; |
989925d1 | 284 | case STATE_EMIT_MSG_DISCARDED_EVENTS: |
e05f8464 | 285 | return "EMIT_MSG_DISCARDED_EVENTS"; |
989925d1 | 286 | case STATE_EMIT_MSG_DISCARDED_PACKETS: |
e05f8464 | 287 | return "EMIT_MSG_DISCARDED_PACKETS"; |
7b33a0e0 | 288 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
e05f8464 | 289 | return "DSCOPE_EVENT_HEADER_BEGIN"; |
7b33a0e0 | 290 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
e05f8464 | 291 | return "DSCOPE_EVENT_HEADER_CONTINUE"; |
7b33a0e0 | 292 | case STATE_AFTER_EVENT_HEADER: |
e05f8464 | 293 | return "AFTER_EVENT_HEADER"; |
7b33a0e0 | 294 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
e05f8464 | 295 | return "DSCOPE_EVENT_COMMON_CONTEXT_BEGIN"; |
7b33a0e0 | 296 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
e05f8464 | 297 | return "DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE"; |
7b33a0e0 | 298 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
e05f8464 | 299 | return "DSCOPE_EVENT_SPEC_CONTEXT_BEGIN"; |
7b33a0e0 | 300 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
e05f8464 | 301 | return "DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE"; |
fdf0e7a0 | 302 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: |
e05f8464 | 303 | return "DSCOPE_EVENT_PAYLOAD_BEGIN"; |
fdf0e7a0 | 304 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: |
e05f8464 | 305 | return "DSCOPE_EVENT_PAYLOAD_CONTINUE"; |
b09a5592 | 306 | case STATE_EMIT_MSG_EVENT: |
e05f8464 | 307 | return "EMIT_MSG_EVENT"; |
29b36c79 FD |
308 | case STATE_EMIT_QUEUED_MSG_EVENT: |
309 | return "EMIT_QUEUED_MSG_EVENT"; | |
fdf0e7a0 | 310 | case STATE_SKIP_PACKET_PADDING: |
e05f8464 | 311 | return "SKIP_PACKET_PADDING"; |
bbbd35bf | 312 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
e05f8464 | 313 | return "EMIT_MSG_PACKET_END_MULTI"; |
bbbd35bf | 314 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
e05f8464 | 315 | return "EMIT_MSG_PACKET_END_SINGLE"; |
29b36c79 FD |
316 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
317 | return "EMIT_QUEUED_MSG_PACKET_END"; | |
bbbd35bf | 318 | case STATE_EMIT_MSG_STREAM_END: |
e05f8464 | 319 | return "EMIT_MSG_STREAM_END"; |
bbbd35bf | 320 | case STATE_DONE: |
e05f8464 | 321 | return "DONE"; |
fdf0e7a0 PP |
322 | default: |
323 | return "(unknown)"; | |
324 | } | |
325 | } | |
326 | ||
e98a2d6e | 327 | static |
5d452e1f | 328 | struct stack *stack_new(struct ctf_msg_iter *msg_it) |
e98a2d6e | 329 | { |
c9d45a6b | 330 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
331 | struct stack *stack = NULL; |
332 | ||
333 | stack = g_new0(struct stack, 1); | |
334 | if (!stack) { | |
0f077192 FD |
335 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
336 | "Failed to allocate one stack."); | |
e98a2d6e PP |
337 | goto error; |
338 | } | |
339 | ||
c9d45a6b | 340 | stack->msg_it = msg_it; |
87bdbbb0 | 341 | stack->entries = g_array_new(FALSE, TRUE, sizeof(struct stack_entry)); |
e98a2d6e | 342 | if (!stack->entries) { |
0f077192 FD |
343 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
344 | "Failed to allocate a GArray."); | |
e98a2d6e PP |
345 | goto error; |
346 | } | |
347 | ||
c9d45a6b | 348 | BT_COMP_LOGD("Created stack: msg-it-addr=%p, stack-addr=%p", msg_it, stack); |
7b33a0e0 | 349 | goto end; |
fdf0e7a0 | 350 | |
e98a2d6e PP |
351 | error: |
352 | g_free(stack); | |
7b33a0e0 PP |
353 | stack = NULL; |
354 | ||
355 | end: | |
356 | return stack; | |
e98a2d6e PP |
357 | } |
358 | ||
359 | static | |
360 | void stack_destroy(struct stack *stack) | |
361 | { | |
5d452e1f | 362 | struct ctf_msg_iter *msg_it; |
f8811e3b | 363 | |
ec4a3354 | 364 | BT_ASSERT_DBG(stack); |
c9d45a6b | 365 | msg_it = stack->msg_it; |
e310e6e2 | 366 | BT_COMP_LOGD("Destroying stack: addr=%p", stack); |
87bdbbb0 PP |
367 | |
368 | if (stack->entries) { | |
369 | g_array_free(stack->entries, TRUE); | |
370 | } | |
371 | ||
e98a2d6e PP |
372 | g_free(stack); |
373 | } | |
374 | ||
375 | static | |
8eee8ea2 | 376 | void stack_push(struct stack *stack, bt_field *base) |
e98a2d6e | 377 | { |
e98a2d6e | 378 | struct stack_entry *entry; |
5d452e1f | 379 | struct ctf_msg_iter *msg_it; |
e98a2d6e | 380 | |
ec4a3354 | 381 | BT_ASSERT_DBG(stack); |
c9d45a6b | 382 | msg_it = stack->msg_it; |
ec4a3354 | 383 | BT_ASSERT_DBG(base); |
c9ecaa78 | 384 | BT_COMP_LOGT("Pushing base field on stack: stack-addr=%p, " |
87bdbbb0 PP |
385 | "stack-size-before=%zu, stack-size-after=%zu", |
386 | stack, stack->size, stack->size + 1); | |
387 | ||
388 | if (stack->entries->len == stack->size) { | |
389 | g_array_set_size(stack->entries, stack->size + 1); | |
e98a2d6e PP |
390 | } |
391 | ||
87bdbbb0 | 392 | entry = &g_array_index(stack->entries, struct stack_entry, stack->size); |
a6918753 | 393 | entry->base = base; |
87bdbbb0 PP |
394 | entry->index = 0; |
395 | stack->size++; | |
e98a2d6e PP |
396 | } |
397 | ||
398 | static inline | |
399 | unsigned int stack_size(struct stack *stack) | |
400 | { | |
ec4a3354 | 401 | BT_ASSERT_DBG(stack); |
87bdbbb0 | 402 | return stack->size; |
e98a2d6e PP |
403 | } |
404 | ||
405 | static | |
406 | void stack_pop(struct stack *stack) | |
407 | { | |
5d452e1f | 408 | struct ctf_msg_iter *msg_it; |
f8811e3b | 409 | |
ec4a3354 PP |
410 | BT_ASSERT_DBG(stack); |
411 | BT_ASSERT_DBG(stack_size(stack)); | |
c9d45a6b | 412 | msg_it = stack->msg_it; |
c9ecaa78 | 413 | BT_COMP_LOGT("Popping from stack: " |
87bdbbb0 PP |
414 | "stack-addr=%p, stack-size-before=%zu, stack-size-after=%zu", |
415 | stack, stack->size, stack->size - 1); | |
416 | stack->size--; | |
e98a2d6e PP |
417 | } |
418 | ||
419 | static inline | |
420 | struct stack_entry *stack_top(struct stack *stack) | |
421 | { | |
ec4a3354 PP |
422 | BT_ASSERT_DBG(stack); |
423 | BT_ASSERT_DBG(stack_size(stack)); | |
87bdbbb0 PP |
424 | return &g_array_index(stack->entries, struct stack_entry, |
425 | stack->size - 1); | |
e98a2d6e PP |
426 | } |
427 | ||
428 | static inline | |
429 | bool stack_empty(struct stack *stack) | |
430 | { | |
431 | return stack_size(stack) == 0; | |
432 | } | |
433 | ||
434 | static | |
435 | void stack_clear(struct stack *stack) | |
436 | { | |
ec4a3354 | 437 | BT_ASSERT_DBG(stack); |
87bdbbb0 | 438 | stack->size = 0; |
e98a2d6e PP |
439 | } |
440 | ||
441 | static inline | |
5d452e1f SM |
442 | enum ctf_msg_iter_status msg_iter_status_from_m_status( |
443 | enum ctf_msg_iter_medium_status m_status) | |
e98a2d6e | 444 | { |
7b33a0e0 | 445 | /* They are the same */ |
dc77b521 | 446 | return (int) m_status; |
e98a2d6e PP |
447 | } |
448 | ||
449 | static inline | |
5d452e1f | 450 | size_t buf_size_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 451 | { |
c9d45a6b | 452 | return msg_it->buf.sz * 8; |
e98a2d6e PP |
453 | } |
454 | ||
455 | static inline | |
5d452e1f | 456 | size_t buf_available_bits(struct ctf_msg_iter *msg_it) |
e98a2d6e | 457 | { |
c9d45a6b | 458 | return buf_size_bits(msg_it) - msg_it->buf.at; |
e98a2d6e PP |
459 | } |
460 | ||
461 | static inline | |
5d452e1f | 462 | size_t packet_at(struct ctf_msg_iter *msg_it) |
e98a2d6e | 463 | { |
c9d45a6b | 464 | return msg_it->buf.packet_offset + msg_it->buf.at; |
e98a2d6e PP |
465 | } |
466 | ||
e98a2d6e | 467 | static inline |
5d452e1f | 468 | void buf_consume_bits(struct ctf_msg_iter *msg_it, size_t incr) |
e98a2d6e | 469 | { |
c9d45a6b FD |
470 | BT_COMP_LOGT("Advancing cursor: msg-it-addr=%p, cur-before=%zu, cur-after=%zu", |
471 | msg_it, msg_it->buf.at, msg_it->buf.at + incr); | |
472 | msg_it->buf.at += incr; | |
e98a2d6e PP |
473 | } |
474 | ||
e98a2d6e | 475 | static |
5d452e1f SM |
476 | enum ctf_msg_iter_status request_medium_bytes( |
477 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 478 | { |
c9d45a6b | 479 | bt_self_component *self_comp = msg_it->self_comp; |
fdf0e7a0 PP |
480 | uint8_t *buffer_addr = NULL; |
481 | size_t buffer_sz = 0; | |
5d452e1f | 482 | enum ctf_msg_iter_medium_status m_status; |
e98a2d6e | 483 | |
c9d45a6b FD |
484 | BT_COMP_LOGD("Calling user function (request bytes): msg-it-addr=%p, " |
485 | "request-size=%zu", msg_it, msg_it->medium.max_request_sz); | |
486 | m_status = msg_it->medium.medops.request_bytes( | |
487 | msg_it->medium.max_request_sz, &buffer_addr, | |
488 | &buffer_sz, msg_it->medium.data); | |
e310e6e2 | 489 | BT_COMP_LOGD("User function returned: status=%s, buf-addr=%p, buf-size=%zu", |
5d452e1f | 490 | ctf_msg_iter_medium_status_string(m_status), |
fdf0e7a0 | 491 | buffer_addr, buffer_sz); |
5d452e1f | 492 | if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
8b45963b | 493 | BT_ASSERT(buffer_sz != 0); |
e98a2d6e PP |
494 | |
495 | /* New packet offset is old one + old size (in bits) */ | |
c9d45a6b | 496 | msg_it->buf.packet_offset += buf_size_bits(msg_it); |
e98a2d6e PP |
497 | |
498 | /* Restart at the beginning of the new medium buffer */ | |
c9d45a6b FD |
499 | msg_it->buf.at = 0; |
500 | msg_it->buf.last_eh_at = SIZE_MAX; | |
e98a2d6e PP |
501 | |
502 | /* New medium buffer size */ | |
c9d45a6b | 503 | msg_it->buf.sz = buffer_sz; |
e98a2d6e PP |
504 | |
505 | /* New medium buffer address */ | |
c9d45a6b | 506 | msg_it->buf.addr = buffer_addr; |
fdf0e7a0 | 507 | |
e310e6e2 | 508 | BT_COMP_LOGD("User function returned new bytes: " |
fdf0e7a0 | 509 | "packet-offset=%zu, cur=%zu, size=%zu, addr=%p", |
c9d45a6b FD |
510 | msg_it->buf.packet_offset, msg_it->buf.at, |
511 | msg_it->buf.sz, msg_it->buf.addr); | |
e310e6e2 | 512 | BT_COMP_LOGD_MEM(buffer_addr, buffer_sz, "Returned bytes at %p:", |
fdf0e7a0 | 513 | buffer_addr); |
5d452e1f | 514 | } else if (m_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { |
7116f6c0 PP |
515 | /* |
516 | * User returned end of stream: validate that we're not | |
517 | * in the middle of a packet header, packet context, or | |
518 | * event. | |
519 | */ | |
c9d45a6b FD |
520 | if (msg_it->cur_exp_packet_total_size >= 0) { |
521 | if (packet_at(msg_it) == | |
522 | msg_it->cur_exp_packet_total_size) { | |
42ef5ec2 | 523 | goto end; |
7116f6c0 | 524 | } |
42ef5ec2 | 525 | } else { |
c9d45a6b | 526 | if (packet_at(msg_it) == 0) { |
42ef5ec2 | 527 | goto end; |
7116f6c0 | 528 | } |
7116f6c0 | 529 | |
c9d45a6b FD |
530 | if (msg_it->buf.last_eh_at != SIZE_MAX && |
531 | msg_it->buf.at == msg_it->buf.last_eh_at) { | |
42ef5ec2 | 532 | goto end; |
7116f6c0 PP |
533 | } |
534 | } | |
535 | ||
7116f6c0 | 536 | /* All other states are invalid */ |
0f077192 FD |
537 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
538 | "User function returned %s, but message iterator is in an unexpected state: " | |
42ef5ec2 PP |
539 | "state=%s, cur-packet-size=%" PRId64 ", cur=%zu, " |
540 | "packet-cur=%zu, last-eh-at=%zu", | |
5d452e1f | 541 | ctf_msg_iter_medium_status_string(m_status), |
c9d45a6b FD |
542 | state_string(msg_it->state), |
543 | msg_it->cur_exp_packet_total_size, | |
544 | msg_it->buf.at, packet_at(msg_it), | |
545 | msg_it->buf.last_eh_at); | |
5d452e1f | 546 | m_status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR; |
fdf0e7a0 | 547 | } else if (m_status < 0) { |
0f077192 | 548 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "User function failed: " |
5d452e1f | 549 | "status=%s", ctf_msg_iter_medium_status_string(m_status)); |
e98a2d6e PP |
550 | } |
551 | ||
42ef5ec2 | 552 | end: |
b09a5592 | 553 | return msg_iter_status_from_m_status(m_status); |
e98a2d6e PP |
554 | } |
555 | ||
556 | static inline | |
5d452e1f SM |
557 | enum ctf_msg_iter_status buf_ensure_available_bits( |
558 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 559 | { |
5d452e1f | 560 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 561 | |
c9d45a6b | 562 | if (G_UNLIKELY(buf_available_bits(msg_it) == 0)) { |
e98a2d6e | 563 | /* |
5d452e1f | 564 | * This _cannot_ return CTF_MSG_ITER_STATUS_OK |
e98a2d6e PP |
565 | * _and_ no bits. |
566 | */ | |
c9d45a6b | 567 | status = request_medium_bytes(msg_it); |
e98a2d6e PP |
568 | } |
569 | ||
570 | return status; | |
571 | } | |
572 | ||
573 | static | |
5d452e1f SM |
574 | enum ctf_msg_iter_status read_dscope_begin_state( |
575 | struct ctf_msg_iter *msg_it, | |
939190b3 | 576 | struct ctf_field_class *dscope_fc, |
e98a2d6e | 577 | enum state done_state, enum state continue_state, |
8eee8ea2 | 578 | bt_field *dscope_field) |
e98a2d6e | 579 | { |
5d452e1f | 580 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 581 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 582 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
583 | size_t consumed_bits; |
584 | ||
c9d45a6b FD |
585 | msg_it->cur_dscope_field = dscope_field; |
586 | BT_COMP_LOGT("Starting BFCR: msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p", | |
587 | msg_it, msg_it->bfcr, dscope_fc); | |
588 | consumed_bits = bt_bfcr_start(msg_it->bfcr, dscope_fc, | |
589 | msg_it->buf.addr, msg_it->buf.at, packet_at(msg_it), | |
590 | msg_it->buf.sz, &bfcr_status); | |
c9ecaa78 | 591 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 592 | |
939190b3 PP |
593 | switch (bfcr_status) { |
594 | case BT_BFCR_STATUS_OK: | |
595 | /* Field class was read completely */ | |
c9ecaa78 | 596 | BT_COMP_LOGT_STR("Field was completely decoded."); |
c9d45a6b | 597 | msg_it->state = done_state; |
e98a2d6e | 598 | break; |
939190b3 | 599 | case BT_BFCR_STATUS_EOF: |
c9ecaa78 | 600 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
c9d45a6b | 601 | msg_it->state = continue_state; |
e98a2d6e PP |
602 | break; |
603 | default: | |
0f077192 | 604 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
605 | "BFCR failed to start: msg-it-addr=%p, bfcr-addr=%p, " |
606 | "status=%s", msg_it, msg_it->bfcr, | |
939190b3 | 607 | bt_bfcr_status_string(bfcr_status)); |
5d452e1f | 608 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
609 | goto end; |
610 | } | |
611 | ||
612 | /* Consume bits now since we know we're not in an error state */ | |
c9d45a6b | 613 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
614 | |
615 | end: | |
616 | return status; | |
617 | } | |
618 | ||
619 | static | |
5d452e1f SM |
620 | enum ctf_msg_iter_status read_dscope_continue_state( |
621 | struct ctf_msg_iter *msg_it, enum state done_state) | |
e98a2d6e | 622 | { |
5d452e1f | 623 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 624 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 625 | enum bt_bfcr_status bfcr_status; |
e98a2d6e PP |
626 | size_t consumed_bits; |
627 | ||
c9d45a6b FD |
628 | BT_COMP_LOGT("Continuing BFCR: msg-it-addr=%p, bfcr-addr=%p", |
629 | msg_it, msg_it->bfcr); | |
42ef5ec2 | 630 | |
c9d45a6b | 631 | status = buf_ensure_available_bits(msg_it); |
5d452e1f | 632 | if (status != CTF_MSG_ITER_STATUS_OK) { |
fdf0e7a0 | 633 | if (status < 0) { |
0f077192 FD |
634 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
635 | "Cannot ensure that buffer has at least one byte: " | |
b09a5592 | 636 | "msg-addr=%p, status=%s", |
5d452e1f | 637 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 | 638 | } else { |
c9ecaa78 | 639 | BT_COMP_LOGT("Cannot ensure that buffer has at least one byte: " |
b09a5592 | 640 | "msg-addr=%p, status=%s", |
5d452e1f | 641 | msg_it, ctf_msg_iter_status_string(status)); |
fdf0e7a0 PP |
642 | } |
643 | ||
e98a2d6e PP |
644 | goto end; |
645 | } | |
646 | ||
c9d45a6b FD |
647 | consumed_bits = bt_bfcr_continue(msg_it->bfcr, msg_it->buf.addr, |
648 | msg_it->buf.sz, &bfcr_status); | |
c9ecaa78 | 649 | BT_COMP_LOGT("BFCR consumed bits: size=%zu", consumed_bits); |
e98a2d6e | 650 | |
939190b3 PP |
651 | switch (bfcr_status) { |
652 | case BT_BFCR_STATUS_OK: | |
78586d8a | 653 | /* Type was read completely. */ |
c9ecaa78 | 654 | BT_COMP_LOGT_STR("Field was completely decoded."); |
c9d45a6b | 655 | msg_it->state = done_state; |
e98a2d6e | 656 | break; |
939190b3 | 657 | case BT_BFCR_STATUS_EOF: |
78586d8a | 658 | /* Stay in this continue state. */ |
c9ecaa78 | 659 | BT_COMP_LOGT_STR("BFCR needs more data to decode field completely."); |
e98a2d6e PP |
660 | break; |
661 | default: | |
0f077192 | 662 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
663 | "BFCR failed to continue: msg-it-addr=%p, bfcr-addr=%p, " |
664 | "status=%s", msg_it, msg_it->bfcr, | |
939190b3 | 665 | bt_bfcr_status_string(bfcr_status)); |
5d452e1f | 666 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
667 | goto end; |
668 | } | |
669 | ||
78586d8a | 670 | /* Consume bits now since we know we're not in an error state. */ |
c9d45a6b | 671 | buf_consume_bits(msg_it, consumed_bits); |
e98a2d6e PP |
672 | end: |
673 | return status; | |
674 | } | |
675 | ||
676 | static | |
5d452e1f | 677 | void release_event_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 678 | { |
c9d45a6b FD |
679 | msg_it->dscopes.event_common_context = NULL; |
680 | msg_it->dscopes.event_spec_context = NULL; | |
681 | msg_it->dscopes.event_payload = NULL; | |
e98a2d6e PP |
682 | } |
683 | ||
684 | static | |
5d452e1f | 685 | void release_all_dscopes(struct ctf_msg_iter *msg_it) |
e98a2d6e | 686 | { |
c9d45a6b | 687 | msg_it->dscopes.stream_packet_context = NULL; |
a6918753 | 688 | |
c9d45a6b FD |
689 | if (msg_it->packet_context_field) { |
690 | bt_packet_context_field_release(msg_it->packet_context_field); | |
691 | msg_it->packet_context_field = NULL; | |
a6918753 PP |
692 | } |
693 | ||
c9d45a6b | 694 | release_event_dscopes(msg_it); |
e98a2d6e PP |
695 | } |
696 | ||
01ed875d | 697 | static |
5d452e1f | 698 | enum ctf_msg_iter_status switch_packet_state(struct ctf_msg_iter *msg_it) |
01ed875d | 699 | { |
148f02cb | 700 | enum ctf_msg_iter_status status; |
c9d45a6b | 701 | bt_self_component *self_comp = msg_it->self_comp; |
01ed875d PP |
702 | |
703 | /* | |
704 | * We don't put the stream class here because we need to make | |
705 | * sure that all the packets processed by the same message | |
706 | * iterator refer to the same stream class (the first one). | |
707 | */ | |
c9d45a6b | 708 | BT_ASSERT(msg_it); |
01ed875d | 709 | |
c9d45a6b FD |
710 | if (msg_it->cur_exp_packet_total_size != -1) { |
711 | msg_it->cur_packet_offset += msg_it->cur_exp_packet_total_size; | |
01ed875d PP |
712 | } |
713 | ||
c9d45a6b FD |
714 | BT_COMP_LOGD("Switching packet: msg-it-addr=%p, cur=%zu, " |
715 | "packet-offset=%" PRId64, msg_it, msg_it->buf.at, | |
716 | msg_it->cur_packet_offset); | |
717 | stack_clear(msg_it->stack); | |
718 | msg_it->meta.ec = NULL; | |
719 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
720 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
721 | release_all_dscopes(msg_it); | |
722 | msg_it->cur_dscope_field = NULL; | |
01ed875d | 723 | |
148f02cb SM |
724 | if (msg_it->medium.medops.switch_packet) { |
725 | enum ctf_msg_iter_medium_status medium_status; | |
726 | ||
727 | medium_status = msg_it->medium.medops.switch_packet(msg_it->medium.data); | |
728 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
729 | /* No more packets. */ | |
2c782695 | 730 | msg_it->state = STATE_EMIT_MSG_STREAM_END; |
148f02cb SM |
731 | status = CTF_MSG_ITER_STATUS_OK; |
732 | goto end; | |
733 | } else if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { | |
734 | status = (int) medium_status; | |
735 | goto end; | |
736 | } | |
737 | ||
738 | /* | |
739 | * After the packet switch, the medium might want to give us a | |
740 | * different buffer for the new packet. | |
741 | */ | |
742 | status = request_medium_bytes(msg_it); | |
743 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
744 | goto end; | |
745 | } | |
746 | } | |
747 | ||
01ed875d PP |
748 | /* |
749 | * Adjust current buffer so that addr points to the beginning of the new | |
750 | * packet. | |
751 | */ | |
c9d45a6b FD |
752 | if (msg_it->buf.addr) { |
753 | size_t consumed_bytes = (size_t) (msg_it->buf.at / CHAR_BIT); | |
01ed875d PP |
754 | |
755 | /* Packets are assumed to start on a byte frontier. */ | |
c9d45a6b | 756 | if (msg_it->buf.at % CHAR_BIT) { |
0f077192 FD |
757 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
758 | "Cannot switch packet: current position is not a multiple of 8: " | |
c9d45a6b | 759 | "msg-it-addr=%p, cur=%zu", msg_it, msg_it->buf.at); |
5d452e1f | 760 | status = CTF_MSG_ITER_STATUS_ERROR; |
01ed875d PP |
761 | goto end; |
762 | } | |
763 | ||
c9d45a6b FD |
764 | msg_it->buf.addr += consumed_bytes; |
765 | msg_it->buf.sz -= consumed_bytes; | |
766 | msg_it->buf.at = 0; | |
767 | msg_it->buf.packet_offset = 0; | |
01ed875d | 768 | BT_COMP_LOGD("Adjusted buffer: addr=%p, size=%zu", |
c9d45a6b | 769 | msg_it->buf.addr, msg_it->buf.sz); |
01ed875d PP |
770 | } |
771 | ||
c9d45a6b FD |
772 | msg_it->cur_exp_packet_content_size = -1; |
773 | msg_it->cur_exp_packet_total_size = -1; | |
774 | msg_it->cur_stream_class_id = -1; | |
775 | msg_it->cur_event_class_id = -1; | |
776 | msg_it->cur_data_stream_id = -1; | |
777 | msg_it->prev_packet_snapshots = msg_it->snapshots; | |
778 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
779 | msg_it->snapshots.packets = UINT64_C(-1); | |
780 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
781 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
782 | msg_it->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
01ed875d | 783 | |
148f02cb | 784 | status = CTF_MSG_ITER_STATUS_OK; |
01ed875d PP |
785 | end: |
786 | return status; | |
787 | } | |
788 | ||
e98a2d6e | 789 | static |
5d452e1f SM |
790 | enum ctf_msg_iter_status read_packet_header_begin_state( |
791 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 792 | { |
939190b3 | 793 | struct ctf_field_class *packet_header_fc = NULL; |
c9d45a6b | 794 | bt_self_component *self_comp = msg_it->self_comp; |
5d452e1f | 795 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 796 | |
bbbd35bf PP |
797 | /* |
798 | * Make sure at least one bit is available for this packet. An | |
799 | * empty packet is impossible. If we reach the end of the medium | |
800 | * at this point, then it's considered the end of the stream. | |
801 | */ | |
c9d45a6b | 802 | status = buf_ensure_available_bits(msg_it); |
977d6cc0 | 803 | switch (status) { |
5d452e1f | 804 | case CTF_MSG_ITER_STATUS_OK: |
bbbd35bf | 805 | break; |
5d452e1f SM |
806 | case CTF_MSG_ITER_STATUS_EOF: |
807 | status = CTF_MSG_ITER_STATUS_OK; | |
2c782695 | 808 | msg_it->state = STATE_EMIT_MSG_STREAM_END; |
bbbd35bf PP |
809 | goto end; |
810 | default: | |
811 | goto end; | |
812 | } | |
813 | ||
10b7a2e4 | 814 | /* Packet header class is common to the whole trace class. */ |
c9d45a6b | 815 | packet_header_fc = msg_it->meta.tc->packet_header_fc; |
939190b3 | 816 | if (!packet_header_fc) { |
c9d45a6b | 817 | msg_it->state = STATE_AFTER_TRACE_PACKET_HEADER; |
e98a2d6e PP |
818 | goto end; |
819 | } | |
820 | ||
c9d45a6b FD |
821 | msg_it->cur_stream_class_id = -1; |
822 | msg_it->cur_event_class_id = -1; | |
823 | msg_it->cur_data_stream_id = -1; | |
e310e6e2 | 824 | BT_COMP_LOGD("Decoding packet header field:" |
c9d45a6b FD |
825 | "msg-it-addr=%p, trace-class-addr=%p, fc-addr=%p", |
826 | msg_it, msg_it->meta.tc, packet_header_fc); | |
827 | status = read_dscope_begin_state(msg_it, packet_header_fc, | |
fdf0e7a0 | 828 | STATE_AFTER_TRACE_PACKET_HEADER, |
0476f6f7 | 829 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, NULL); |
977d6cc0 | 830 | if (status < 0) { |
0f077192 FD |
831 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
832 | "Cannot decode packet header field: " | |
c9d45a6b | 833 | "msg-it-addr=%p, trace-class-addr=%p, " |
10b7a2e4 | 834 | "fc-addr=%p", |
c9d45a6b | 835 | msg_it, msg_it->meta.tc, packet_header_fc); |
fdf0e7a0 | 836 | } |
b8418c69 | 837 | |
e98a2d6e | 838 | end: |
977d6cc0 | 839 | return status; |
e98a2d6e PP |
840 | } |
841 | ||
842 | static | |
5d452e1f SM |
843 | enum ctf_msg_iter_status read_packet_header_continue_state( |
844 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 845 | { |
c9d45a6b | 846 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 847 | STATE_AFTER_TRACE_PACKET_HEADER); |
5f870343 JG |
848 | } |
849 | ||
e98a2d6e | 850 | static inline |
5d452e1f | 851 | enum ctf_msg_iter_status set_current_stream_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 852 | { |
5d452e1f | 853 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 854 | bt_self_component *self_comp = msg_it->self_comp; |
7b33a0e0 PP |
855 | struct ctf_stream_class *new_stream_class = NULL; |
856 | ||
c9d45a6b | 857 | if (msg_it->cur_stream_class_id == -1) { |
fdf0e7a0 | 858 | /* |
7b33a0e0 PP |
859 | * No current stream class ID field, therefore only one |
860 | * stream class. | |
fdf0e7a0 | 861 | */ |
c9d45a6b | 862 | if (msg_it->meta.tc->stream_classes->len != 1) { |
0f077192 FD |
863 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
864 | "Need exactly one stream class since there's " | |
7b33a0e0 | 865 | "no stream class ID field: " |
c9d45a6b | 866 | "msg-it-addr=%p", msg_it); |
5d452e1f | 867 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 PP |
868 | goto end; |
869 | } | |
e98a2d6e | 870 | |
c9d45a6b FD |
871 | new_stream_class = msg_it->meta.tc->stream_classes->pdata[0]; |
872 | msg_it->cur_stream_class_id = new_stream_class->id; | |
e98a2d6e PP |
873 | } |
874 | ||
7b33a0e0 | 875 | new_stream_class = ctf_trace_class_borrow_stream_class_by_id( |
c9d45a6b | 876 | msg_it->meta.tc, msg_it->cur_stream_class_id); |
c937c615 | 877 | if (!new_stream_class) { |
0f077192 FD |
878 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
879 | "No stream class with ID of stream class ID to use in trace class: " | |
c9d45a6b | 880 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
10b7a2e4 | 881 | "trace-class-addr=%p", |
c9d45a6b | 882 | msg_it, msg_it->cur_stream_class_id, msg_it->meta.tc); |
5d452e1f | 883 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
884 | goto end; |
885 | } | |
886 | ||
c9d45a6b FD |
887 | if (msg_it->meta.sc) { |
888 | if (new_stream_class != msg_it->meta.sc) { | |
0f077192 FD |
889 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
890 | "Two packets refer to two different stream classes within the same packet sequence: " | |
c9d45a6b | 891 | "msg-it-addr=%p, prev-stream-class-addr=%p, " |
c937c615 PP |
892 | "prev-stream-class-id=%" PRId64 ", " |
893 | "next-stream-class-addr=%p, " | |
c937c615 | 894 | "next-stream-class-id=%" PRId64 ", " |
10b7a2e4 | 895 | "trace-addr=%p", |
c9d45a6b FD |
896 | msg_it, msg_it->meta.sc, |
897 | msg_it->meta.sc->id, | |
c937c615 | 898 | new_stream_class, |
7b33a0e0 | 899 | new_stream_class->id, |
c9d45a6b | 900 | msg_it->meta.tc); |
5d452e1f | 901 | status = CTF_MSG_ITER_STATUS_ERROR; |
c937c615 PP |
902 | goto end; |
903 | } | |
904 | } else { | |
c9d45a6b | 905 | msg_it->meta.sc = new_stream_class; |
c937c615 PP |
906 | } |
907 | ||
e310e6e2 | 908 | BT_COMP_LOGD("Set current stream class: " |
c9d45a6b | 909 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 910 | "stream-class-id=%" PRId64, |
c9d45a6b | 911 | msg_it, msg_it->meta.sc, msg_it->meta.sc->id); |
b8418c69 | 912 | |
e98a2d6e | 913 | end: |
e98a2d6e PP |
914 | return status; |
915 | } | |
916 | ||
a6918753 | 917 | static inline |
5d452e1f | 918 | enum ctf_msg_iter_status set_current_stream(struct ctf_msg_iter *msg_it) |
a6918753 | 919 | { |
5d452e1f | 920 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 921 | bt_self_component *self_comp = msg_it->self_comp; |
8eee8ea2 | 922 | bt_stream *stream = NULL; |
a6918753 | 923 | |
c9d45a6b | 924 | BT_COMP_LOGD("Calling user function (get stream): msg-it-addr=%p, " |
7b33a0e0 | 925 | "stream-class-addr=%p, stream-class-id=%" PRId64, |
c9d45a6b FD |
926 | msg_it, msg_it->meta.sc, |
927 | msg_it->meta.sc->id); | |
928 | stream = msg_it->medium.medops.borrow_stream( | |
929 | msg_it->meta.sc->ir_sc, msg_it->cur_data_stream_id, | |
930 | msg_it->medium.data); | |
8c6884d9 | 931 | bt_stream_get_ref(stream); |
e310e6e2 | 932 | BT_COMP_LOGD("User function returned: stream-addr=%p", stream); |
a6918753 | 933 | if (!stream) { |
0f077192 FD |
934 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
935 | "User function failed to return a stream object for the given stream class."); | |
5d452e1f | 936 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
937 | goto end; |
938 | } | |
939 | ||
c9d45a6b | 940 | if (msg_it->stream && stream != msg_it->stream) { |
0f077192 FD |
941 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
942 | "User function returned a different stream than the previous one for the same sequence of packets."); | |
5d452e1f | 943 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
944 | goto end; |
945 | } | |
946 | ||
c9d45a6b | 947 | BT_STREAM_MOVE_REF(msg_it->stream, stream); |
a6918753 PP |
948 | |
949 | end: | |
8c6884d9 | 950 | bt_stream_put_ref(stream); |
a6918753 PP |
951 | return status; |
952 | } | |
953 | ||
954 | static inline | |
5d452e1f | 955 | enum ctf_msg_iter_status set_current_packet(struct ctf_msg_iter *msg_it) |
a6918753 | 956 | { |
5d452e1f | 957 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 958 | bt_self_component *self_comp = msg_it->self_comp; |
8eee8ea2 | 959 | bt_packet *packet = NULL; |
a6918753 | 960 | |
e310e6e2 | 961 | BT_COMP_LOGD("Creating packet from stream: " |
c9d45a6b | 962 | "msg-it-addr=%p, stream-addr=%p, " |
a6918753 | 963 | "stream-class-addr=%p, " |
a6918753 | 964 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
965 | msg_it, msg_it->stream, msg_it->meta.sc, |
966 | msg_it->meta.sc->id); | |
a6918753 PP |
967 | |
968 | /* Create packet */ | |
c9d45a6b FD |
969 | BT_ASSERT(msg_it->stream); |
970 | packet = bt_packet_create(msg_it->stream); | |
a6918753 | 971 | if (!packet) { |
0f077192 FD |
972 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
973 | "Cannot create packet from stream: " | |
c9d45a6b | 974 | "msg-it-addr=%p, stream-addr=%p, " |
a6918753 | 975 | "stream-class-addr=%p, " |
a6918753 | 976 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
977 | msg_it, msg_it->stream, msg_it->meta.sc, |
978 | msg_it->meta.sc->id); | |
a6918753 PP |
979 | goto error; |
980 | } | |
981 | ||
982 | goto end; | |
983 | ||
984 | error: | |
8c6884d9 | 985 | BT_PACKET_PUT_REF_AND_RESET(packet); |
5d452e1f | 986 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
987 | |
988 | end: | |
c9d45a6b | 989 | BT_PACKET_MOVE_REF(msg_it->packet, packet); |
a6918753 PP |
990 | return status; |
991 | } | |
992 | ||
e98a2d6e | 993 | static |
5d452e1f SM |
994 | enum ctf_msg_iter_status after_packet_header_state( |
995 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 996 | { |
5d452e1f | 997 | enum ctf_msg_iter_status status; |
e98a2d6e | 998 | |
c9d45a6b | 999 | status = set_current_stream_class(msg_it); |
5d452e1f | 1000 | if (status != CTF_MSG_ITER_STATUS_OK) { |
a6918753 | 1001 | goto end; |
e98a2d6e PP |
1002 | } |
1003 | ||
c9d45a6b | 1004 | msg_it->state = STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN; |
a6918753 PP |
1005 | |
1006 | end: | |
e98a2d6e PP |
1007 | return status; |
1008 | } | |
1009 | ||
1010 | static | |
5d452e1f SM |
1011 | enum ctf_msg_iter_status read_packet_context_begin_state( |
1012 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1013 | { |
5d452e1f | 1014 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1015 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1016 | struct ctf_field_class *packet_context_fc; |
e98a2d6e | 1017 | |
c9d45a6b FD |
1018 | BT_ASSERT(msg_it->meta.sc); |
1019 | packet_context_fc = msg_it->meta.sc->packet_context_fc; | |
939190b3 | 1020 | if (!packet_context_fc) { |
e310e6e2 | 1021 | BT_COMP_LOGD("No packet packet context field class in stream class: continuing: " |
c9d45a6b | 1022 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1023 | "stream-class-id=%" PRId64, |
c9d45a6b FD |
1024 | msg_it, msg_it->meta.sc, |
1025 | msg_it->meta.sc->id); | |
1026 | msg_it->state = STATE_AFTER_STREAM_PACKET_CONTEXT; | |
e98a2d6e PP |
1027 | goto end; |
1028 | } | |
1029 | ||
c9d45a6b | 1030 | BT_ASSERT(!msg_it->packet_context_field); |
7b33a0e0 | 1031 | |
c9d45a6b | 1032 | if (packet_context_fc->in_ir && !msg_it->dry_run) { |
7b33a0e0 PP |
1033 | /* |
1034 | * Create free packet context field from stream class. | |
1035 | * This field is going to be moved to the packet once we | |
1036 | * create it. We cannot create the packet now because a | |
1037 | * packet is created from a stream, and this API must be | |
0476f6f7 PP |
1038 | * able to return the packet context properties without |
1039 | * creating a stream | |
5d452e1f | 1040 | * (ctf_msg_iter_get_packet_properties()). |
7b33a0e0 | 1041 | */ |
c9d45a6b | 1042 | msg_it->packet_context_field = |
78cf9df6 | 1043 | bt_packet_context_field_create( |
c9d45a6b FD |
1044 | msg_it->meta.sc->ir_sc); |
1045 | if (!msg_it->packet_context_field) { | |
0f077192 FD |
1046 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1047 | "Cannot create packet context field wrapper from stream class."); | |
5d452e1f | 1048 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 PP |
1049 | goto end; |
1050 | } | |
1051 | ||
c9d45a6b | 1052 | msg_it->dscopes.stream_packet_context = |
78cf9df6 | 1053 | bt_packet_context_field_borrow_field( |
c9d45a6b FD |
1054 | msg_it->packet_context_field); |
1055 | BT_ASSERT(msg_it->dscopes.stream_packet_context); | |
a6918753 PP |
1056 | } |
1057 | ||
e310e6e2 | 1058 | BT_COMP_LOGD("Decoding packet context field: " |
c9d45a6b | 1059 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1060 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1061 | msg_it, msg_it->meta.sc, |
1062 | msg_it->meta.sc->id, packet_context_fc); | |
1063 | status = read_dscope_begin_state(msg_it, packet_context_fc, | |
fdf0e7a0 PP |
1064 | STATE_AFTER_STREAM_PACKET_CONTEXT, |
1065 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
c9d45a6b | 1066 | msg_it->dscopes.stream_packet_context); |
fdf0e7a0 | 1067 | if (status < 0) { |
0f077192 FD |
1068 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1069 | "Cannot decode 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, | |
939190b3 | 1074 | packet_context_fc); |
fdf0e7a0 | 1075 | } |
e98a2d6e PP |
1076 | |
1077 | end: | |
e98a2d6e PP |
1078 | return status; |
1079 | } | |
1080 | ||
1081 | static | |
5d452e1f SM |
1082 | enum ctf_msg_iter_status read_packet_context_continue_state( |
1083 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1084 | { |
c9d45a6b | 1085 | return read_dscope_continue_state(msg_it, |
78586d8a | 1086 | STATE_AFTER_STREAM_PACKET_CONTEXT); |
e98a2d6e PP |
1087 | } |
1088 | ||
78586d8a | 1089 | static |
5d452e1f SM |
1090 | enum ctf_msg_iter_status set_current_packet_content_sizes( |
1091 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1092 | { |
5d452e1f | 1093 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1094 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1095 | |
c9d45a6b FD |
1096 | if (msg_it->cur_exp_packet_total_size == -1) { |
1097 | if (msg_it->cur_exp_packet_content_size != -1) { | |
1098 | msg_it->cur_exp_packet_total_size = | |
1099 | msg_it->cur_exp_packet_content_size; | |
e98a2d6e | 1100 | } |
e98a2d6e | 1101 | } else { |
c9d45a6b FD |
1102 | if (msg_it->cur_exp_packet_content_size == -1) { |
1103 | msg_it->cur_exp_packet_content_size = | |
1104 | msg_it->cur_exp_packet_total_size; | |
7b33a0e0 | 1105 | } |
e98a2d6e PP |
1106 | } |
1107 | ||
c9d45a6b FD |
1108 | BT_ASSERT((msg_it->cur_exp_packet_total_size >= 0 && |
1109 | msg_it->cur_exp_packet_content_size >= 0) || | |
1110 | (msg_it->cur_exp_packet_total_size < 0 && | |
1111 | msg_it->cur_exp_packet_content_size < 0)); | |
ab03d3fb | 1112 | |
c9d45a6b FD |
1113 | if (msg_it->cur_exp_packet_content_size > |
1114 | msg_it->cur_exp_packet_total_size) { | |
0f077192 FD |
1115 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1116 | "Invalid packet or content size: " | |
7b33a0e0 | 1117 | "content size is greater than packet size: " |
c9d45a6b | 1118 | "msg-it-addr=%p, packet-context-field-addr=%p, " |
7b33a0e0 | 1119 | "packet-size=%" PRId64 ", content-size=%" PRId64, |
c9d45a6b FD |
1120 | msg_it, msg_it->dscopes.stream_packet_context, |
1121 | msg_it->cur_exp_packet_total_size, | |
1122 | msg_it->cur_exp_packet_content_size); | |
5d452e1f | 1123 | status = CTF_MSG_ITER_STATUS_ERROR; |
fdf0e7a0 PP |
1124 | goto end; |
1125 | } | |
1126 | ||
e310e6e2 | 1127 | BT_COMP_LOGD("Set current packet and content sizes: " |
c9d45a6b FD |
1128 | "msg-it-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, |
1129 | msg_it, msg_it->cur_exp_packet_total_size, | |
1130 | msg_it->cur_exp_packet_content_size); | |
bbbd35bf | 1131 | |
e98a2d6e | 1132 | end: |
e98a2d6e PP |
1133 | return status; |
1134 | } | |
1135 | ||
1136 | static | |
5d452e1f | 1137 | enum ctf_msg_iter_status after_packet_context_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1138 | { |
5d452e1f | 1139 | enum ctf_msg_iter_status status; |
e98a2d6e | 1140 | |
c9d45a6b | 1141 | status = set_current_packet_content_sizes(msg_it); |
5d452e1f | 1142 | if (status != CTF_MSG_ITER_STATUS_OK) { |
8fc063a2 PP |
1143 | goto end; |
1144 | } | |
1145 | ||
c9d45a6b | 1146 | if (msg_it->stream) { |
bbbd35bf PP |
1147 | /* |
1148 | * Stream exists, which means we already emitted at | |
1149 | * least one packet beginning message, so the initial | |
1150 | * stream beginning message was also emitted. | |
1151 | */ | |
c9d45a6b | 1152 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
8fc063a2 | 1153 | } else { |
2c782695 | 1154 | msg_it->state = STATE_EMIT_MSG_STREAM_BEGINNING; |
e98a2d6e PP |
1155 | } |
1156 | ||
8fc063a2 | 1157 | end: |
e98a2d6e PP |
1158 | return status; |
1159 | } | |
1160 | ||
1161 | static | |
5d452e1f | 1162 | enum ctf_msg_iter_status read_event_header_begin_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1163 | { |
5d452e1f | 1164 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1165 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1166 | struct ctf_field_class *event_header_fc = NULL; |
e98a2d6e | 1167 | |
9b876b7b | 1168 | /* Reset the position of the last event header */ |
c9d45a6b FD |
1169 | msg_it->buf.last_eh_at = msg_it->buf.at; |
1170 | msg_it->cur_event_class_id = -1; | |
9b876b7b | 1171 | |
e98a2d6e | 1172 | /* Check if we have some content left */ |
c9d45a6b FD |
1173 | if (msg_it->cur_exp_packet_content_size >= 0) { |
1174 | if (G_UNLIKELY(packet_at(msg_it) == | |
1175 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1176 | /* No more events! */ |
c9d45a6b FD |
1177 | BT_COMP_LOGD("Reached end of packet: msg-it-addr=%p, " |
1178 | "cur=%zu", msg_it, packet_at(msg_it)); | |
1179 | msg_it->state = STATE_EMIT_MSG_PACKET_END_MULTI; | |
e98a2d6e | 1180 | goto end; |
c9d45a6b FD |
1181 | } else if (G_UNLIKELY(packet_at(msg_it) > |
1182 | msg_it->cur_exp_packet_content_size)) { | |
e98a2d6e | 1183 | /* That's not supposed to happen */ |
e310e6e2 | 1184 | BT_COMP_LOGD("Before decoding event header field: cursor is passed the packet's content: " |
c9d45a6b FD |
1185 | "msg-it-addr=%p, content-size=%" PRId64 ", " |
1186 | "cur=%zu", msg_it, | |
1187 | msg_it->cur_exp_packet_content_size, | |
1188 | packet_at(msg_it)); | |
5d452e1f | 1189 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1190 | goto end; |
1191 | } | |
7b33a0e0 PP |
1192 | } else { |
1193 | /* | |
1194 | * "Infinite" content: we're done when the medium has | |
1195 | * nothing else for us. | |
1196 | */ | |
c9d45a6b | 1197 | status = buf_ensure_available_bits(msg_it); |
bbbd35bf | 1198 | switch (status) { |
5d452e1f | 1199 | case CTF_MSG_ITER_STATUS_OK: |
bbbd35bf | 1200 | break; |
5d452e1f SM |
1201 | case CTF_MSG_ITER_STATUS_EOF: |
1202 | status = CTF_MSG_ITER_STATUS_OK; | |
c9d45a6b | 1203 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
bbbd35bf PP |
1204 | goto end; |
1205 | default: | |
7b33a0e0 PP |
1206 | goto end; |
1207 | } | |
e98a2d6e PP |
1208 | } |
1209 | ||
c9d45a6b FD |
1210 | release_event_dscopes(msg_it); |
1211 | BT_ASSERT(msg_it->meta.sc); | |
1212 | event_header_fc = msg_it->meta.sc->event_header_fc; | |
939190b3 | 1213 | if (!event_header_fc) { |
c9d45a6b | 1214 | msg_it->state = STATE_AFTER_EVENT_HEADER; |
e98a2d6e PP |
1215 | goto end; |
1216 | } | |
1217 | ||
e310e6e2 | 1218 | BT_COMP_LOGD("Decoding event header field: " |
c9d45a6b | 1219 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1220 | "stream-class-id=%" PRId64 ", " |
939190b3 | 1221 | "fc-addr=%p", |
c9d45a6b FD |
1222 | msg_it, msg_it->meta.sc, |
1223 | msg_it->meta.sc->id, | |
939190b3 | 1224 | event_header_fc); |
c9d45a6b | 1225 | status = read_dscope_begin_state(msg_it, event_header_fc, |
7b33a0e0 | 1226 | STATE_AFTER_EVENT_HEADER, |
0476f6f7 | 1227 | STATE_DSCOPE_EVENT_HEADER_CONTINUE, NULL); |
fdf0e7a0 | 1228 | if (status < 0) { |
0f077192 FD |
1229 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1230 | "Cannot decode event header field: " | |
c9d45a6b | 1231 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1232 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1233 | msg_it, msg_it->meta.sc, |
1234 | msg_it->meta.sc->id, | |
939190b3 | 1235 | event_header_fc); |
fdf0e7a0 | 1236 | } |
e98a2d6e | 1237 | |
b8418c69 | 1238 | end: |
e98a2d6e PP |
1239 | return status; |
1240 | } | |
1241 | ||
1242 | static | |
5d452e1f SM |
1243 | enum ctf_msg_iter_status read_event_header_continue_state( |
1244 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1245 | { |
c9d45a6b | 1246 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 1247 | STATE_AFTER_EVENT_HEADER); |
e98a2d6e PP |
1248 | } |
1249 | ||
1250 | static inline | |
5d452e1f | 1251 | enum ctf_msg_iter_status set_current_event_class(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1252 | { |
5d452e1f | 1253 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1254 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 1255 | |
7b33a0e0 | 1256 | struct ctf_event_class *new_event_class = NULL; |
e98a2d6e | 1257 | |
c9d45a6b | 1258 | if (msg_it->cur_event_class_id == -1) { |
e98a2d6e | 1259 | /* |
7b33a0e0 PP |
1260 | * No current event class ID field, therefore only one |
1261 | * event class. | |
e98a2d6e | 1262 | */ |
c9d45a6b | 1263 | if (msg_it->meta.sc->event_classes->len != 1) { |
0f077192 FD |
1264 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1265 | "Need exactly one event class since there's no event class ID field: " | |
c9d45a6b | 1266 | "msg-it-addr=%p", msg_it); |
5d452e1f | 1267 | status = CTF_MSG_ITER_STATUS_ERROR; |
7b33a0e0 | 1268 | goto end; |
fdf0e7a0 | 1269 | } |
e98a2d6e | 1270 | |
c9d45a6b FD |
1271 | new_event_class = msg_it->meta.sc->event_classes->pdata[0]; |
1272 | msg_it->cur_event_class_id = new_event_class->id; | |
e98a2d6e PP |
1273 | } |
1274 | ||
7b33a0e0 | 1275 | new_event_class = ctf_stream_class_borrow_event_class_by_id( |
c9d45a6b | 1276 | msg_it->meta.sc, msg_it->cur_event_class_id); |
7b33a0e0 | 1277 | if (!new_event_class) { |
0f077192 FD |
1278 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1279 | "No event class with ID of event class ID to use in stream class: " | |
c9d45a6b | 1280 | "msg-it-addr=%p, stream-class-id=%" PRIu64 ", " |
7b33a0e0 | 1281 | "event-class-id=%" PRIu64 ", " |
10b7a2e4 | 1282 | "trace-class-addr=%p", |
c9d45a6b FD |
1283 | msg_it, msg_it->meta.sc->id, msg_it->cur_event_class_id, |
1284 | msg_it->meta.tc); | |
5d452e1f | 1285 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e PP |
1286 | goto end; |
1287 | } | |
1288 | ||
c9d45a6b | 1289 | msg_it->meta.ec = new_event_class; |
e310e6e2 | 1290 | BT_COMP_LOGD("Set current event class: " |
c9d45a6b | 1291 | "msg-it-addr=%p, event-class-addr=%p, " |
7b33a0e0 PP |
1292 | "event-class-id=%" PRId64 ", " |
1293 | "event-class-name=\"%s\"", | |
c9d45a6b FD |
1294 | msg_it, msg_it->meta.ec, msg_it->meta.ec->id, |
1295 | msg_it->meta.ec->name->str); | |
fdf0e7a0 | 1296 | |
e98a2d6e | 1297 | end: |
e98a2d6e PP |
1298 | return status; |
1299 | } | |
1300 | ||
a6918753 | 1301 | static inline |
5d452e1f SM |
1302 | enum ctf_msg_iter_status set_current_event_message( |
1303 | struct ctf_msg_iter *msg_it) | |
a6918753 | 1304 | { |
5d452e1f | 1305 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1306 | bt_self_component *self_comp = msg_it->self_comp; |
b09a5592 | 1307 | bt_message *msg = NULL; |
a6918753 | 1308 | |
c9d45a6b FD |
1309 | BT_ASSERT_DBG(msg_it->meta.ec); |
1310 | BT_ASSERT_DBG(msg_it->packet); | |
e310e6e2 | 1311 | BT_COMP_LOGD("Creating event message from event class and packet: " |
c9d45a6b FD |
1312 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", packet-addr=%p", |
1313 | msg_it, msg_it->meta.ec, | |
1314 | msg_it->meta.ec->name->str, | |
1315 | msg_it->packet); | |
6c7642c2 | 1316 | BT_ASSERT_DBG(msg_it->self_msg_iter); |
c9d45a6b FD |
1317 | BT_ASSERT_DBG(msg_it->meta.sc); |
1318 | ||
1319 | if (bt_stream_class_borrow_default_clock_class(msg_it->meta.sc->ir_sc)) { | |
37a93d41 | 1320 | msg = bt_message_event_create_with_packet_and_default_clock_snapshot( |
6c7642c2 | 1321 | msg_it->self_msg_iter, msg_it->meta.ec->ir_ec, |
c9d45a6b | 1322 | msg_it->packet, msg_it->default_clock_snapshot); |
9c04b633 | 1323 | } else { |
6c7642c2 | 1324 | msg = bt_message_event_create_with_packet(msg_it->self_msg_iter, |
c9d45a6b | 1325 | msg_it->meta.ec->ir_ec, msg_it->packet); |
9c04b633 PP |
1326 | } |
1327 | ||
b09a5592 | 1328 | if (!msg) { |
0f077192 FD |
1329 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1330 | "Cannot create event message: " | |
c9d45a6b | 1331 | "msg-it-addr=%p, ec-addr=%p, ec-name=\"%s\", " |
a6918753 | 1332 | "packet-addr=%p", |
c9d45a6b FD |
1333 | msg_it, msg_it->meta.ec, |
1334 | msg_it->meta.ec->name->str, | |
1335 | msg_it->packet); | |
a6918753 PP |
1336 | goto error; |
1337 | } | |
1338 | ||
1339 | goto end; | |
1340 | ||
1341 | error: | |
b09a5592 | 1342 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
5d452e1f | 1343 | status = CTF_MSG_ITER_STATUS_ERROR; |
a6918753 PP |
1344 | |
1345 | end: | |
c9d45a6b | 1346 | BT_MESSAGE_MOVE_REF(msg_it->event_msg, msg); |
a6918753 PP |
1347 | return status; |
1348 | } | |
1349 | ||
e98a2d6e | 1350 | static |
5d452e1f SM |
1351 | enum ctf_msg_iter_status after_event_header_state( |
1352 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1353 | { |
5d452e1f | 1354 | enum ctf_msg_iter_status status; |
e98a2d6e | 1355 | |
c9d45a6b | 1356 | status = set_current_event_class(msg_it); |
5d452e1f | 1357 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1358 | goto end; |
1359 | } | |
1360 | ||
c9d45a6b | 1361 | if (G_UNLIKELY(msg_it->dry_run)) { |
8482a078 FD |
1362 | goto next_state; |
1363 | } | |
1364 | ||
c9d45a6b | 1365 | status = set_current_event_message(msg_it); |
5d452e1f | 1366 | if (status != CTF_MSG_ITER_STATUS_OK) { |
a6918753 PP |
1367 | goto end; |
1368 | } | |
1369 | ||
c9d45a6b FD |
1370 | msg_it->event = bt_message_event_borrow_event( |
1371 | msg_it->event_msg); | |
1372 | BT_ASSERT_DBG(msg_it->event); | |
8482a078 FD |
1373 | |
1374 | next_state: | |
c9d45a6b | 1375 | msg_it->state = STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN; |
e98a2d6e PP |
1376 | |
1377 | end: | |
1378 | return status; | |
1379 | } | |
1380 | ||
1381 | static | |
5d452e1f SM |
1382 | enum ctf_msg_iter_status read_event_common_context_begin_state( |
1383 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1384 | { |
5d452e1f | 1385 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1386 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1387 | struct ctf_field_class *event_common_context_fc; |
e98a2d6e | 1388 | |
c9d45a6b | 1389 | event_common_context_fc = msg_it->meta.sc->event_common_context_fc; |
939190b3 | 1390 | if (!event_common_context_fc) { |
c9d45a6b | 1391 | msg_it->state = STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN; |
e98a2d6e PP |
1392 | goto end; |
1393 | } | |
1394 | ||
c9d45a6b FD |
1395 | if (event_common_context_fc->in_ir && !msg_it->dry_run) { |
1396 | BT_ASSERT_DBG(!msg_it->dscopes.event_common_context); | |
1397 | msg_it->dscopes.event_common_context = | |
78cf9df6 | 1398 | bt_event_borrow_common_context_field( |
c9d45a6b FD |
1399 | msg_it->event); |
1400 | BT_ASSERT_DBG(msg_it->dscopes.event_common_context); | |
7b33a0e0 PP |
1401 | } |
1402 | ||
c9ecaa78 | 1403 | BT_COMP_LOGT("Decoding event common context field: " |
c9d45a6b | 1404 | "msg-it-addr=%p, stream-class-addr=%p, " |
7b33a0e0 | 1405 | "stream-class-id=%" PRId64 ", " |
939190b3 | 1406 | "fc-addr=%p", |
c9d45a6b FD |
1407 | msg_it, msg_it->meta.sc, |
1408 | msg_it->meta.sc->id, | |
939190b3 | 1409 | event_common_context_fc); |
c9d45a6b | 1410 | status = read_dscope_begin_state(msg_it, event_common_context_fc, |
7b33a0e0 PP |
1411 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN, |
1412 | STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE, | |
c9d45a6b | 1413 | msg_it->dscopes.event_common_context); |
fdf0e7a0 | 1414 | if (status < 0) { |
0f077192 FD |
1415 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1416 | "Cannot decode event common context field: " | |
c9d45a6b | 1417 | "msg-it-addr=%p, stream-class-addr=%p, " |
939190b3 | 1418 | "stream-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1419 | msg_it, msg_it->meta.sc, |
1420 | msg_it->meta.sc->id, | |
939190b3 | 1421 | event_common_context_fc); |
fdf0e7a0 | 1422 | } |
e98a2d6e PP |
1423 | |
1424 | end: | |
e98a2d6e PP |
1425 | return status; |
1426 | } | |
1427 | ||
1428 | static | |
5d452e1f SM |
1429 | enum ctf_msg_iter_status read_event_common_context_continue_state( |
1430 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1431 | { |
c9d45a6b | 1432 | return read_dscope_continue_state(msg_it, |
7b33a0e0 | 1433 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN); |
e98a2d6e PP |
1434 | } |
1435 | ||
1436 | static | |
5d452e1f SM |
1437 | enum ctf_msg_iter_status read_event_spec_context_begin_state( |
1438 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1439 | { |
5d452e1f | 1440 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1441 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1442 | struct ctf_field_class *event_spec_context_fc; |
e98a2d6e | 1443 | |
c9d45a6b | 1444 | event_spec_context_fc = msg_it->meta.ec->spec_context_fc; |
939190b3 | 1445 | if (!event_spec_context_fc) { |
c9d45a6b | 1446 | msg_it->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1447 | goto end; |
1448 | } | |
fdf0e7a0 | 1449 | |
c9d45a6b FD |
1450 | if (event_spec_context_fc->in_ir && !msg_it->dry_run) { |
1451 | BT_ASSERT_DBG(!msg_it->dscopes.event_spec_context); | |
1452 | msg_it->dscopes.event_spec_context = | |
78cf9df6 | 1453 | bt_event_borrow_specific_context_field( |
c9d45a6b FD |
1454 | msg_it->event); |
1455 | BT_ASSERT_DBG(msg_it->dscopes.event_spec_context); | |
7b33a0e0 PP |
1456 | } |
1457 | ||
c9ecaa78 | 1458 | BT_COMP_LOGT("Decoding event specific context field: " |
c9d45a6b | 1459 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1460 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
939190b3 | 1461 | "fc-addr=%p", |
c9d45a6b FD |
1462 | msg_it, msg_it->meta.ec, |
1463 | msg_it->meta.ec->name->str, | |
1464 | msg_it->meta.ec->id, | |
939190b3 | 1465 | event_spec_context_fc); |
c9d45a6b | 1466 | status = read_dscope_begin_state(msg_it, event_spec_context_fc, |
e98a2d6e | 1467 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, |
7b33a0e0 | 1468 | STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE, |
c9d45a6b | 1469 | msg_it->dscopes.event_spec_context); |
fdf0e7a0 | 1470 | if (status < 0) { |
0f077192 FD |
1471 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1472 | "Cannot decode event specific context field: " | |
c9d45a6b | 1473 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1474 | "event-class-name=\"%s\", " |
939190b3 | 1475 | "event-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1476 | msg_it, msg_it->meta.ec, |
1477 | msg_it->meta.ec->name->str, | |
1478 | msg_it->meta.ec->id, | |
939190b3 | 1479 | event_spec_context_fc); |
fdf0e7a0 | 1480 | } |
e98a2d6e PP |
1481 | |
1482 | end: | |
e98a2d6e PP |
1483 | return status; |
1484 | } | |
1485 | ||
1486 | static | |
5d452e1f SM |
1487 | enum ctf_msg_iter_status read_event_spec_context_continue_state( |
1488 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1489 | { |
c9d45a6b | 1490 | return read_dscope_continue_state(msg_it, |
e98a2d6e PP |
1491 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); |
1492 | } | |
1493 | ||
1494 | static | |
5d452e1f SM |
1495 | enum ctf_msg_iter_status read_event_payload_begin_state( |
1496 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1497 | { |
5d452e1f | 1498 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1499 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1500 | struct ctf_field_class *event_payload_fc; |
e98a2d6e | 1501 | |
c9d45a6b | 1502 | event_payload_fc = msg_it->meta.ec->payload_fc; |
939190b3 | 1503 | if (!event_payload_fc) { |
c9d45a6b | 1504 | msg_it->state = STATE_EMIT_MSG_EVENT; |
e98a2d6e PP |
1505 | goto end; |
1506 | } | |
1507 | ||
c9d45a6b FD |
1508 | if (event_payload_fc->in_ir && !msg_it->dry_run) { |
1509 | BT_ASSERT_DBG(!msg_it->dscopes.event_payload); | |
1510 | msg_it->dscopes.event_payload = | |
78cf9df6 | 1511 | bt_event_borrow_payload_field( |
c9d45a6b FD |
1512 | msg_it->event); |
1513 | BT_ASSERT_DBG(msg_it->dscopes.event_payload); | |
7b33a0e0 PP |
1514 | } |
1515 | ||
c9ecaa78 | 1516 | BT_COMP_LOGT("Decoding event payload field: " |
c9d45a6b | 1517 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1518 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
939190b3 | 1519 | "fc-addr=%p", |
c9d45a6b FD |
1520 | msg_it, msg_it->meta.ec, |
1521 | msg_it->meta.ec->name->str, | |
1522 | msg_it->meta.ec->id, | |
939190b3 | 1523 | event_payload_fc); |
c9d45a6b | 1524 | status = read_dscope_begin_state(msg_it, event_payload_fc, |
b09a5592 | 1525 | STATE_EMIT_MSG_EVENT, |
e98a2d6e | 1526 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, |
c9d45a6b | 1527 | msg_it->dscopes.event_payload); |
fdf0e7a0 | 1528 | if (status < 0) { |
0f077192 FD |
1529 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
1530 | "Cannot decode event payload field: " | |
c9d45a6b | 1531 | "msg-it-addr=%p, event-class-addr=%p, " |
fdf0e7a0 | 1532 | "event-class-name=\"%s\", " |
939190b3 | 1533 | "event-class-id=%" PRId64 ", fc-addr=%p", |
c9d45a6b FD |
1534 | msg_it, msg_it->meta.ec, |
1535 | msg_it->meta.ec->name->str, | |
1536 | msg_it->meta.ec->id, | |
939190b3 | 1537 | event_payload_fc); |
fdf0e7a0 | 1538 | } |
e98a2d6e PP |
1539 | |
1540 | end: | |
e98a2d6e PP |
1541 | return status; |
1542 | } | |
1543 | ||
1544 | static | |
5d452e1f SM |
1545 | enum ctf_msg_iter_status read_event_payload_continue_state( |
1546 | struct ctf_msg_iter *msg_it) | |
e98a2d6e | 1547 | { |
c9d45a6b | 1548 | return read_dscope_continue_state(msg_it, STATE_EMIT_MSG_EVENT); |
e98a2d6e PP |
1549 | } |
1550 | ||
1551 | static | |
5d452e1f | 1552 | enum ctf_msg_iter_status skip_packet_padding_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1553 | { |
5d452e1f | 1554 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
e98a2d6e | 1555 | size_t bits_to_skip; |
01ed875d | 1556 | const enum state next_state = STATE_SWITCH_PACKET; |
e98a2d6e | 1557 | |
c9d45a6b FD |
1558 | BT_ASSERT(msg_it->cur_exp_packet_total_size > 0); |
1559 | bits_to_skip = msg_it->cur_exp_packet_total_size - packet_at(msg_it); | |
e98a2d6e | 1560 | if (bits_to_skip == 0) { |
c9d45a6b | 1561 | msg_it->state = next_state; |
e98a2d6e PP |
1562 | goto end; |
1563 | } else { | |
1564 | size_t bits_to_consume; | |
fdf0e7a0 | 1565 | |
c9d45a6b FD |
1566 | BT_COMP_LOGD("Trying to skip %zu bits of padding: msg-it-addr=%p, size=%zu", |
1567 | bits_to_skip, msg_it, bits_to_skip); | |
1568 | status = buf_ensure_available_bits(msg_it); | |
5d452e1f | 1569 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e98a2d6e PP |
1570 | goto end; |
1571 | } | |
1572 | ||
c9d45a6b FD |
1573 | bits_to_consume = MIN(buf_available_bits(msg_it), bits_to_skip); |
1574 | BT_COMP_LOGD("Skipping %zu bits of padding: msg-it-addr=%p, size=%zu", | |
1575 | bits_to_consume, msg_it, bits_to_consume); | |
1576 | buf_consume_bits(msg_it, bits_to_consume); | |
1577 | bits_to_skip = msg_it->cur_exp_packet_total_size - | |
1578 | packet_at(msg_it); | |
e98a2d6e | 1579 | if (bits_to_skip == 0) { |
c9d45a6b | 1580 | msg_it->state = next_state; |
e98a2d6e PP |
1581 | goto end; |
1582 | } | |
1583 | } | |
1584 | ||
1585 | end: | |
1586 | return status; | |
1587 | } | |
1588 | ||
989925d1 | 1589 | static |
5d452e1f SM |
1590 | enum ctf_msg_iter_status check_emit_msg_discarded_events( |
1591 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1592 | { |
c9d45a6b | 1593 | msg_it->state = STATE_EMIT_MSG_DISCARDED_EVENTS; |
989925d1 | 1594 | |
c9d45a6b FD |
1595 | if (!msg_it->meta.sc->has_discarded_events) { |
1596 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; | |
32476570 PP |
1597 | goto end; |
1598 | } | |
1599 | ||
c9d45a6b FD |
1600 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { |
1601 | if (msg_it->snapshots.discarded_events == 0 || | |
1602 | msg_it->snapshots.discarded_events == UINT64_C(-1)) { | |
989925d1 PP |
1603 | /* |
1604 | * Stream's first packet with no discarded | |
1605 | * events or no information about discarded | |
1606 | * events: do not emit. | |
1607 | */ | |
c9d45a6b | 1608 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1609 | } |
1610 | } else { | |
1611 | /* | |
1612 | * If the previous packet has a value for this counter, | |
1613 | * then this counter is defined for the whole stream. | |
1614 | */ | |
c9d45a6b | 1615 | BT_ASSERT(msg_it->snapshots.discarded_events != UINT64_C(-1)); |
989925d1 | 1616 | |
c9d45a6b FD |
1617 | if (msg_it->snapshots.discarded_events - |
1618 | msg_it->prev_packet_snapshots.discarded_events == 0) { | |
989925d1 PP |
1619 | /* |
1620 | * No discarded events since previous packet: do | |
1621 | * not emit. | |
1622 | */ | |
c9d45a6b | 1623 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1624 | } |
1625 | } | |
1626 | ||
32476570 | 1627 | end: |
5d452e1f | 1628 | return CTF_MSG_ITER_STATUS_OK; |
989925d1 PP |
1629 | } |
1630 | ||
1631 | static | |
5d452e1f SM |
1632 | enum ctf_msg_iter_status check_emit_msg_discarded_packets( |
1633 | struct ctf_msg_iter *msg_it) | |
989925d1 | 1634 | { |
c9d45a6b | 1635 | msg_it->state = STATE_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 | 1636 | |
c9d45a6b FD |
1637 | if (!msg_it->meta.sc->has_discarded_packets) { |
1638 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; | |
32476570 PP |
1639 | goto end; |
1640 | } | |
1641 | ||
c9d45a6b | 1642 | if (msg_it->prev_packet_snapshots.packets == UINT64_C(-1)) { |
989925d1 PP |
1643 | /* |
1644 | * Stream's first packet or no information about | |
1645 | * discarded packets: do not emit. In other words, if | |
1646 | * this is the first packet and its sequence number is | |
1647 | * not 0, do not consider that packets were previously | |
1648 | * lost: we might be reading a partial stream (LTTng | |
1649 | * snapshot for example). | |
1650 | */ | |
c9d45a6b | 1651 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
989925d1 PP |
1652 | } else { |
1653 | /* | |
1654 | * If the previous packet has a value for this counter, | |
1655 | * then this counter is defined for the whole stream. | |
1656 | */ | |
c9d45a6b | 1657 | BT_ASSERT(msg_it->snapshots.packets != UINT64_C(-1)); |
989925d1 | 1658 | |
c9d45a6b FD |
1659 | if (msg_it->snapshots.packets - |
1660 | msg_it->prev_packet_snapshots.packets <= 1) { | |
989925d1 PP |
1661 | /* |
1662 | * No discarded packets since previous packet: | |
1663 | * do not emit. | |
1664 | */ | |
c9d45a6b | 1665 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
989925d1 PP |
1666 | } |
1667 | } | |
1668 | ||
32476570 | 1669 | end: |
5d452e1f | 1670 | return CTF_MSG_ITER_STATUS_OK; |
989925d1 PP |
1671 | } |
1672 | ||
e98a2d6e | 1673 | static inline |
5d452e1f | 1674 | enum ctf_msg_iter_status handle_state(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1675 | { |
5d452e1f | 1676 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 1677 | const enum state state = msg_it->state; |
e98a2d6e | 1678 | |
c9d45a6b FD |
1679 | BT_COMP_LOGT("Handling state: msg-it-addr=%p, state=%s", |
1680 | msg_it, state_string(state)); | |
e98a2d6e PP |
1681 | |
1682 | // TODO: optimalize! | |
fdf0e7a0 | 1683 | switch (state) { |
e98a2d6e | 1684 | case STATE_INIT: |
c9d45a6b | 1685 | msg_it->state = STATE_SWITCH_PACKET; |
01ed875d PP |
1686 | break; |
1687 | case STATE_SWITCH_PACKET: | |
c9d45a6b | 1688 | status = switch_packet_state(msg_it); |
e98a2d6e PP |
1689 | break; |
1690 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
c9d45a6b | 1691 | status = read_packet_header_begin_state(msg_it); |
e98a2d6e PP |
1692 | break; |
1693 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
c9d45a6b | 1694 | status = read_packet_header_continue_state(msg_it); |
e98a2d6e PP |
1695 | break; |
1696 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
c9d45a6b | 1697 | status = after_packet_header_state(msg_it); |
e98a2d6e PP |
1698 | break; |
1699 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
c9d45a6b | 1700 | status = read_packet_context_begin_state(msg_it); |
e98a2d6e PP |
1701 | break; |
1702 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
c9d45a6b | 1703 | status = read_packet_context_continue_state(msg_it); |
e98a2d6e PP |
1704 | break; |
1705 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
c9d45a6b | 1706 | status = after_packet_context_state(msg_it); |
e98a2d6e | 1707 | break; |
bbbd35bf | 1708 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
c9d45a6b | 1709 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS; |
989925d1 PP |
1710 | break; |
1711 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: | |
c9d45a6b | 1712 | status = check_emit_msg_discarded_events(msg_it); |
989925d1 PP |
1713 | break; |
1714 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
c9d45a6b | 1715 | msg_it->state = STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS; |
989925d1 PP |
1716 | break; |
1717 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
c9d45a6b | 1718 | status = check_emit_msg_discarded_packets(msg_it); |
989925d1 PP |
1719 | break; |
1720 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
c9d45a6b | 1721 | msg_it->state = STATE_EMIT_MSG_PACKET_BEGINNING; |
6ff151ad | 1722 | break; |
bbbd35bf | 1723 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
c9d45a6b | 1724 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1725 | break; |
7b33a0e0 | 1726 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: |
c9d45a6b | 1727 | status = read_event_header_begin_state(msg_it); |
e98a2d6e | 1728 | break; |
7b33a0e0 | 1729 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: |
c9d45a6b | 1730 | status = read_event_header_continue_state(msg_it); |
e98a2d6e | 1731 | break; |
7b33a0e0 | 1732 | case STATE_AFTER_EVENT_HEADER: |
c9d45a6b | 1733 | status = after_event_header_state(msg_it); |
e98a2d6e | 1734 | break; |
7b33a0e0 | 1735 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: |
c9d45a6b | 1736 | status = read_event_common_context_begin_state(msg_it); |
e98a2d6e | 1737 | break; |
7b33a0e0 | 1738 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: |
c9d45a6b | 1739 | status = read_event_common_context_continue_state(msg_it); |
e98a2d6e | 1740 | break; |
7b33a0e0 | 1741 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: |
c9d45a6b | 1742 | status = read_event_spec_context_begin_state(msg_it); |
e98a2d6e | 1743 | break; |
7b33a0e0 | 1744 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: |
c9d45a6b | 1745 | status = read_event_spec_context_continue_state(msg_it); |
e98a2d6e PP |
1746 | break; |
1747 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
c9d45a6b | 1748 | status = read_event_payload_begin_state(msg_it); |
e98a2d6e PP |
1749 | break; |
1750 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
c9d45a6b | 1751 | status = read_event_payload_continue_state(msg_it); |
e98a2d6e | 1752 | break; |
b09a5592 | 1753 | case STATE_EMIT_MSG_EVENT: |
c9d45a6b | 1754 | msg_it->state = STATE_DSCOPE_EVENT_HEADER_BEGIN; |
e98a2d6e | 1755 | break; |
29b36c79 | 1756 | case STATE_EMIT_QUEUED_MSG_EVENT: |
c9d45a6b | 1757 | msg_it->state = STATE_EMIT_MSG_EVENT; |
29b36c79 | 1758 | break; |
e98a2d6e | 1759 | case STATE_SKIP_PACKET_PADDING: |
c9d45a6b | 1760 | status = skip_packet_padding_state(msg_it); |
e98a2d6e | 1761 | break; |
bbbd35bf | 1762 | case STATE_EMIT_MSG_PACKET_END_MULTI: |
c9d45a6b | 1763 | msg_it->state = STATE_SKIP_PACKET_PADDING; |
e98a2d6e | 1764 | break; |
bbbd35bf | 1765 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
2c782695 | 1766 | msg_it->state = STATE_EMIT_MSG_STREAM_END; |
bbbd35bf | 1767 | break; |
29b36c79 | 1768 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
c9d45a6b | 1769 | msg_it->state = STATE_EMIT_MSG_PACKET_END_SINGLE; |
29b36c79 | 1770 | break; |
bbbd35bf | 1771 | case STATE_EMIT_MSG_STREAM_END: |
c9d45a6b | 1772 | msg_it->state = STATE_DONE; |
bbbd35bf PP |
1773 | break; |
1774 | case STATE_DONE: | |
1775 | break; | |
fdf0e7a0 | 1776 | default: |
e310e6e2 | 1777 | BT_COMP_LOGF("Unknown CTF plugin message iterator state: " |
c9d45a6b | 1778 | "msg-it-addr=%p, state=%d", msg_it, msg_it->state); |
24847fc7 | 1779 | bt_common_abort(); |
e98a2d6e PP |
1780 | } |
1781 | ||
c9d45a6b | 1782 | BT_COMP_LOGT("Handled state: msg-it-addr=%p, status=%s, " |
fdf0e7a0 | 1783 | "prev-state=%s, cur-state=%s", |
5d452e1f | 1784 | msg_it, ctf_msg_iter_status_string(status), |
c9d45a6b | 1785 | state_string(state), state_string(msg_it->state)); |
e98a2d6e PP |
1786 | return status; |
1787 | } | |
1788 | ||
6ff151ad | 1789 | BT_HIDDEN |
5d452e1f | 1790 | void ctf_msg_iter_reset_for_next_stream_file(struct ctf_msg_iter *msg_it) |
c9d45a6b FD |
1791 | { |
1792 | BT_ASSERT(msg_it); | |
1793 | BT_COMP_LOGD("Resetting message iterator: addr=%p", msg_it); | |
1794 | stack_clear(msg_it->stack); | |
1795 | msg_it->meta.sc = NULL; | |
1796 | msg_it->meta.ec = NULL; | |
1797 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); | |
1798 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
1799 | BT_MESSAGE_PUT_REF_AND_RESET(msg_it->event_msg); | |
1800 | release_all_dscopes(msg_it); | |
1801 | msg_it->cur_dscope_field = NULL; | |
1802 | ||
1803 | if (msg_it->packet_context_field) { | |
1804 | bt_packet_context_field_release(msg_it->packet_context_field); | |
1805 | msg_it->packet_context_field = NULL; | |
1806 | } | |
1807 | ||
1808 | msg_it->buf.addr = NULL; | |
1809 | msg_it->buf.sz = 0; | |
1810 | msg_it->buf.at = 0; | |
1811 | msg_it->buf.last_eh_at = SIZE_MAX; | |
1812 | msg_it->buf.packet_offset = 0; | |
1813 | msg_it->state = STATE_INIT; | |
1814 | msg_it->cur_exp_packet_content_size = -1; | |
1815 | msg_it->cur_exp_packet_total_size = -1; | |
1816 | msg_it->cur_packet_offset = -1; | |
1817 | msg_it->cur_event_class_id = -1; | |
1818 | msg_it->snapshots.beginning_clock = UINT64_C(-1); | |
1819 | msg_it->snapshots.end_clock = UINT64_C(-1); | |
989925d1 PP |
1820 | } |
1821 | ||
1822 | /** | |
1823 | * Resets the internal state of a CTF message iterator. | |
1824 | */ | |
1825 | BT_HIDDEN | |
5d452e1f | 1826 | void ctf_msg_iter_reset(struct ctf_msg_iter *msg_it) |
989925d1 | 1827 | { |
5d452e1f | 1828 | ctf_msg_iter_reset_for_next_stream_file(msg_it); |
c9d45a6b FD |
1829 | msg_it->cur_stream_class_id = -1; |
1830 | msg_it->cur_data_stream_id = -1; | |
1831 | msg_it->snapshots.discarded_events = UINT64_C(-1); | |
1832 | msg_it->snapshots.packets = UINT64_C(-1); | |
1833 | msg_it->prev_packet_snapshots.discarded_events = UINT64_C(-1); | |
1834 | msg_it->prev_packet_snapshots.packets = UINT64_C(-1); | |
1835 | msg_it->prev_packet_snapshots.beginning_clock = UINT64_C(-1); | |
1836 | msg_it->prev_packet_snapshots.end_clock = UINT64_C(-1); | |
e98a2d6e PP |
1837 | } |
1838 | ||
1839 | static | |
5d452e1f | 1840 | bt_field *borrow_next_field(struct ctf_msg_iter *msg_it) |
e98a2d6e | 1841 | { |
8eee8ea2 PP |
1842 | bt_field *next_field = NULL; |
1843 | bt_field *base_field; | |
1844 | const bt_field_class *base_fc; | |
94847783 | 1845 | bt_field_class_type base_fc_type; |
e98a2d6e PP |
1846 | size_t index; |
1847 | ||
c9d45a6b FD |
1848 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
1849 | index = stack_top(msg_it->stack)->index; | |
1850 | base_field = stack_top(msg_it->stack)->base; | |
ec4a3354 | 1851 | BT_ASSERT_DBG(base_field); |
78cf9df6 | 1852 | base_fc = bt_field_borrow_class_const(base_field); |
ec4a3354 | 1853 | BT_ASSERT_DBG(base_fc); |
94847783 | 1854 | base_fc_type = bt_field_class_get_type(base_fc); |
e98a2d6e | 1855 | |
94847783 | 1856 | if (base_fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) { |
ec4a3354 | 1857 | BT_ASSERT_DBG(index < |
939190b3 | 1858 | bt_field_class_structure_get_member_count( |
78cf9df6 PP |
1859 | bt_field_borrow_class_const( |
1860 | base_field))); | |
9e550e5f | 1861 | next_field = |
78cf9df6 | 1862 | bt_field_structure_borrow_member_field_by_index( |
9e550e5f | 1863 | base_field, index); |
94847783 PP |
1864 | } else if (bt_field_class_type_is(base_fc_type, |
1865 | BT_FIELD_CLASS_TYPE_ARRAY)) { | |
ec4a3354 | 1866 | BT_ASSERT_DBG(index < bt_field_array_get_length(base_field)); |
78cf9df6 | 1867 | next_field = bt_field_array_borrow_element_field_by_index( |
7b33a0e0 | 1868 | base_field, index); |
94847783 PP |
1869 | } else if (bt_field_class_type_is(base_fc_type, |
1870 | BT_FIELD_CLASS_TYPE_VARIANT)) { | |
ec4a3354 | 1871 | BT_ASSERT_DBG(index == 0); |
78cf9df6 | 1872 | next_field = bt_field_variant_borrow_selected_option_field( |
7b33a0e0 | 1873 | base_field); |
94847783 | 1874 | } else { |
24847fc7 | 1875 | bt_common_abort(); |
e98a2d6e PP |
1876 | } |
1877 | ||
ec4a3354 | 1878 | BT_ASSERT_DBG(next_field); |
e98a2d6e PP |
1879 | return next_field; |
1880 | } | |
1881 | ||
c44c3e70 | 1882 | static |
5d452e1f | 1883 | void update_default_clock(struct ctf_msg_iter *msg_it, uint64_t new_val, |
7b33a0e0 | 1884 | uint64_t new_val_size) |
c44c3e70 | 1885 | { |
7b33a0e0 | 1886 | uint64_t new_val_mask; |
c44c3e70 | 1887 | uint64_t cur_value_masked; |
c44c3e70 | 1888 | |
ec4a3354 | 1889 | BT_ASSERT_DBG(new_val_size > 0); |
c44c3e70 JG |
1890 | |
1891 | /* | |
1892 | * Special case for a 64-bit new value, which is the limit | |
1893 | * of a clock value as of this version: overwrite the | |
1894 | * current value directly. | |
1895 | */ | |
7b33a0e0 | 1896 | if (new_val_size == 64) { |
c9d45a6b | 1897 | msg_it->default_clock_snapshot = new_val; |
c44c3e70 JG |
1898 | goto end; |
1899 | } | |
1900 | ||
7b33a0e0 | 1901 | new_val_mask = (1ULL << new_val_size) - 1; |
c9d45a6b | 1902 | cur_value_masked = msg_it->default_clock_snapshot & new_val_mask; |
c44c3e70 | 1903 | |
7b33a0e0 | 1904 | if (new_val < cur_value_masked) { |
c44c3e70 JG |
1905 | /* |
1906 | * It looks like a wrap happened on the number of bits | |
1907 | * of the requested new value. Assume that the clock | |
1908 | * value wrapped only one time. | |
1909 | */ | |
c9d45a6b | 1910 | msg_it->default_clock_snapshot += new_val_mask + 1; |
c44c3e70 JG |
1911 | } |
1912 | ||
1913 | /* Clear the low bits of the current clock value. */ | |
c9d45a6b | 1914 | msg_it->default_clock_snapshot &= ~new_val_mask; |
c44c3e70 JG |
1915 | |
1916 | /* Set the low bits of the current clock value. */ | |
c9d45a6b | 1917 | msg_it->default_clock_snapshot |= new_val; |
b8418c69 | 1918 | |
c44c3e70 | 1919 | end: |
c9ecaa78 | 1920 | BT_COMP_LOGT("Updated default clock's value from integer field's value: " |
c9d45a6b | 1921 | "value=%" PRIu64, msg_it->default_clock_snapshot); |
c44c3e70 JG |
1922 | } |
1923 | ||
1924 | static | |
939190b3 PP |
1925 | enum bt_bfcr_status bfcr_unsigned_int_cb(uint64_t value, |
1926 | struct ctf_field_class *fc, void *data) | |
c44c3e70 | 1927 | { |
5d452e1f | 1928 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 1929 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 1930 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
0f077192 | 1931 | |
8eee8ea2 | 1932 | bt_field *field = NULL; |
939190b3 | 1933 | struct ctf_field_class_int *int_fc = (void *) fc; |
c44c3e70 | 1934 | |
c9ecaa78 | 1935 | BT_COMP_LOGT("Unsigned integer function called from BFCR: " |
c9d45a6b | 1936 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 1937 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
c9d45a6b | 1938 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
a6918753 | 1939 | |
85e7137b | 1940 | if (G_LIKELY(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE)) { |
7b33a0e0 | 1941 | goto update_def_clock; |
c44c3e70 JG |
1942 | } |
1943 | ||
939190b3 PP |
1944 | switch (int_fc->meaning) { |
1945 | case CTF_FIELD_CLASS_MEANING_EVENT_CLASS_ID: | |
c9d45a6b | 1946 | msg_it->cur_event_class_id = value; |
7b33a0e0 | 1947 | break; |
939190b3 | 1948 | case CTF_FIELD_CLASS_MEANING_DATA_STREAM_ID: |
c9d45a6b | 1949 | msg_it->cur_data_stream_id = value; |
7b33a0e0 | 1950 | break; |
939190b3 | 1951 | case CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME: |
c9d45a6b | 1952 | msg_it->snapshots.beginning_clock = value; |
7b33a0e0 | 1953 | break; |
939190b3 | 1954 | case CTF_FIELD_CLASS_MEANING_PACKET_END_TIME: |
c9d45a6b | 1955 | msg_it->snapshots.end_clock = value; |
7b33a0e0 | 1956 | break; |
939190b3 | 1957 | case CTF_FIELD_CLASS_MEANING_STREAM_CLASS_ID: |
c9d45a6b | 1958 | msg_it->cur_stream_class_id = value; |
7b33a0e0 | 1959 | break; |
939190b3 | 1960 | case CTF_FIELD_CLASS_MEANING_MAGIC: |
7b33a0e0 | 1961 | if (value != 0xc1fc1fc1) { |
0f077192 | 1962 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
1963 | "Invalid CTF magic number: msg-it-addr=%p, " |
1964 | "magic=%" PRIx64, msg_it, value); | |
939190b3 | 1965 | status = BT_BFCR_STATUS_ERROR; |
c44c3e70 JG |
1966 | goto end; |
1967 | } | |
fdf0e7a0 | 1968 | |
7b33a0e0 | 1969 | break; |
939190b3 | 1970 | case CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT: |
c9d45a6b | 1971 | msg_it->snapshots.packets = value; |
7b33a0e0 | 1972 | break; |
939190b3 | 1973 | case CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT: |
c9d45a6b | 1974 | msg_it->snapshots.discarded_events = value; |
7b33a0e0 | 1975 | break; |
939190b3 | 1976 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_TOTAL_SIZE: |
c9d45a6b | 1977 | msg_it->cur_exp_packet_total_size = value; |
7b33a0e0 | 1978 | break; |
939190b3 | 1979 | case CTF_FIELD_CLASS_MEANING_EXP_PACKET_CONTENT_SIZE: |
c9d45a6b | 1980 | msg_it->cur_exp_packet_content_size = value; |
7b33a0e0 PP |
1981 | break; |
1982 | default: | |
24847fc7 | 1983 | bt_common_abort(); |
c44c3e70 JG |
1984 | } |
1985 | ||
7b33a0e0 | 1986 | update_def_clock: |
85e7137b | 1987 | if (G_UNLIKELY(int_fc->mapped_clock_class)) { |
c9d45a6b | 1988 | update_default_clock(msg_it, value, int_fc->base.size); |
7b33a0e0 | 1989 | } |
c44c3e70 | 1990 | |
85e7137b | 1991 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
c9d45a6b | 1992 | g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 1993 | (uint64_t) int_fc->storing_index) = value; |
7b33a0e0 | 1994 | } |
e98a2d6e | 1995 | |
c9d45a6b | 1996 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
a6918753 | 1997 | goto end; |
e98a2d6e PP |
1998 | } |
1999 | ||
c9d45a6b | 2000 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2001 | BT_ASSERT_DBG(field); |
2002 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2003 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
94847783 | 2004 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER)); |
60bbfc7c | 2005 | bt_field_integer_unsigned_set_value(field, value); |
c9d45a6b | 2006 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2007 | |
a6918753 | 2008 | end: |
e98a2d6e PP |
2009 | return status; |
2010 | } | |
2011 | ||
5f870343 | 2012 | static |
939190b3 PP |
2013 | enum bt_bfcr_status bfcr_unsigned_int_char_cb(uint64_t value, |
2014 | struct ctf_field_class *fc, void *data) | |
5f870343 | 2015 | { |
7b33a0e0 | 2016 | int ret; |
5d452e1f | 2017 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2018 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2019 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2020 | bt_field *string_field = NULL; |
939190b3 | 2021 | struct ctf_field_class_int *int_fc = (void *) fc; |
7b33a0e0 | 2022 | char str[2] = {'\0', '\0'}; |
5f870343 | 2023 | |
c9ecaa78 | 2024 | BT_COMP_LOGT("Unsigned integer character function called from BFCR: " |
c9d45a6b | 2025 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2026 | "fc-type=%d, fc-in-ir=%d, value=%" PRIu64, |
c9d45a6b | 2027 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
ec4a3354 PP |
2028 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
2029 | BT_ASSERT_DBG(!int_fc->mapped_clock_class); | |
2030 | BT_ASSERT_DBG(int_fc->storing_index < 0); | |
a6918753 | 2031 | |
c9d45a6b | 2032 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
7b33a0e0 PP |
2033 | goto end; |
2034 | } | |
5f870343 | 2035 | |
c9d45a6b | 2036 | if (msg_it->done_filling_string) { |
5f870343 JG |
2037 | goto end; |
2038 | } | |
2039 | ||
7b33a0e0 | 2040 | if (value == 0) { |
c9d45a6b | 2041 | msg_it->done_filling_string = true; |
5f870343 JG |
2042 | goto end; |
2043 | } | |
2044 | ||
c9d45a6b | 2045 | string_field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2046 | BT_ASSERT_DBG(bt_field_get_class_type(string_field) == |
94847783 | 2047 | BT_FIELD_CLASS_TYPE_STRING); |
7b33a0e0 PP |
2048 | |
2049 | /* Append character */ | |
2050 | str[0] = (char) value; | |
78cf9df6 | 2051 | ret = bt_field_string_append_with_length(string_field, str, 1); |
7b33a0e0 | 2052 | if (ret) { |
0f077192 FD |
2053 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2054 | "Cannot append character to string field's value: " | |
c9d45a6b FD |
2055 | "msg-it-addr=%p, field-addr=%p, ret=%d", |
2056 | msg_it, string_field, ret); | |
939190b3 | 2057 | status = BT_BFCR_STATUS_ERROR; |
7b33a0e0 PP |
2058 | goto end; |
2059 | } | |
a6918753 | 2060 | |
5f870343 JG |
2061 | end: |
2062 | return status; | |
2063 | } | |
2064 | ||
2065 | static | |
939190b3 PP |
2066 | enum bt_bfcr_status bfcr_signed_int_cb(int64_t value, |
2067 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2068 | { |
939190b3 | 2069 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2070 | bt_field *field = NULL; |
5d452e1f | 2071 | struct ctf_msg_iter *msg_it = data; |
939190b3 | 2072 | struct ctf_field_class_int *int_fc = (void *) fc; |
e98a2d6e | 2073 | |
c9ecaa78 | 2074 | BT_COMP_LOGT("Signed integer function called from BFCR: " |
c9d45a6b | 2075 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2076 | "fc-type=%d, fc-in-ir=%d, value=%" PRId64, |
c9d45a6b | 2077 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
ec4a3354 | 2078 | BT_ASSERT_DBG(int_fc->meaning == CTF_FIELD_CLASS_MEANING_NONE); |
7b33a0e0 | 2079 | |
85e7137b | 2080 | if (G_UNLIKELY(int_fc->storing_index >= 0)) { |
c9d45a6b | 2081 | g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2082 | (uint64_t) int_fc->storing_index) = (uint64_t) value; |
7b33a0e0 PP |
2083 | } |
2084 | ||
c9d45a6b | 2085 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
a6918753 | 2086 | goto end; |
e98a2d6e PP |
2087 | } |
2088 | ||
c9d45a6b | 2089 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2090 | BT_ASSERT_DBG(field); |
2091 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2092 | BT_ASSERT_DBG(bt_field_class_type_is(bt_field_get_class_type(field), | |
94847783 | 2093 | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER)); |
60bbfc7c | 2094 | bt_field_integer_signed_set_value(field, value); |
c9d45a6b | 2095 | stack_top(msg_it->stack)->index++; |
fdf0e7a0 | 2096 | |
a6918753 | 2097 | end: |
e98a2d6e PP |
2098 | return status; |
2099 | } | |
2100 | ||
2101 | static | |
939190b3 PP |
2102 | enum bt_bfcr_status bfcr_floating_point_cb(double value, |
2103 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2104 | { |
939190b3 | 2105 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2106 | bt_field *field = NULL; |
5d452e1f | 2107 | struct ctf_msg_iter *msg_it = data; |
100acf4a | 2108 | bt_field_class_type type; |
e98a2d6e | 2109 | |
c9ecaa78 | 2110 | BT_COMP_LOGT("Floating point number function called from BFCR: " |
c9d45a6b | 2111 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2112 | "fc-type=%d, fc-in-ir=%d, value=%f", |
c9d45a6b | 2113 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, value); |
e5e71bf8 | 2114 | |
c9d45a6b | 2115 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2116 | goto end; |
2117 | } | |
2118 | ||
c9d45a6b | 2119 | field = borrow_next_field(msg_it); |
100acf4a | 2120 | type = bt_field_get_class_type(field); |
ec4a3354 PP |
2121 | BT_ASSERT_DBG(field); |
2122 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2123 | BT_ASSERT_DBG(bt_field_class_type_is(type, BT_FIELD_CLASS_TYPE_REAL)); | |
76276a81 FD |
2124 | |
2125 | if (type == BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL) { | |
2126 | bt_field_real_single_precision_set_value(field, (float) value); | |
2127 | } else { | |
2128 | bt_field_real_double_precision_set_value(field, value); | |
2129 | } | |
c9d45a6b | 2130 | stack_top(msg_it->stack)->index++; |
e5e71bf8 PP |
2131 | |
2132 | end: | |
e98a2d6e PP |
2133 | return status; |
2134 | } | |
2135 | ||
2136 | static | |
939190b3 PP |
2137 | enum bt_bfcr_status bfcr_string_begin_cb( |
2138 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2139 | { |
8eee8ea2 | 2140 | bt_field *field = NULL; |
5d452e1f | 2141 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2142 | |
c9ecaa78 | 2143 | BT_COMP_LOGT("String (beginning) function called from BFCR: " |
c9d45a6b | 2144 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2145 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2146 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2147 | |
c9d45a6b | 2148 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2149 | goto end; |
2150 | } | |
2151 | ||
c9d45a6b | 2152 | field = borrow_next_field(msg_it); |
ec4a3354 PP |
2153 | BT_ASSERT_DBG(field); |
2154 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
2155 | BT_ASSERT_DBG(bt_field_get_class_type(field) == | |
78cf9df6 | 2156 | BT_FIELD_CLASS_TYPE_STRING); |
fb25b9e3 | 2157 | bt_field_string_clear(field); |
a6918753 | 2158 | |
e98a2d6e | 2159 | /* |
939190b3 PP |
2160 | * Push on stack. Not a compound class per se, but we know that |
2161 | * only bfcr_string_cb() may be called between this call and a | |
2162 | * subsequent call to bfcr_string_end_cb(). | |
e98a2d6e | 2163 | */ |
c9d45a6b | 2164 | stack_push(msg_it->stack, field); |
e5e71bf8 PP |
2165 | |
2166 | end: | |
939190b3 | 2167 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2168 | } |
2169 | ||
2170 | static | |
939190b3 PP |
2171 | enum bt_bfcr_status bfcr_string_cb(const char *value, |
2172 | size_t len, struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2173 | { |
939190b3 | 2174 | enum bt_bfcr_status status = BT_BFCR_STATUS_OK; |
8eee8ea2 | 2175 | bt_field *field = NULL; |
5d452e1f | 2176 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2177 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e PP |
2178 | int ret; |
2179 | ||
c9ecaa78 | 2180 | BT_COMP_LOGT("String (substring) function called from BFCR: " |
c9d45a6b | 2181 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2182 | "fc-type=%d, fc-in-ir=%d, string-length=%zu", |
c9d45a6b | 2183 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir, |
fdf0e7a0 | 2184 | len); |
e5e71bf8 | 2185 | |
c9d45a6b | 2186 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2187 | goto end; |
2188 | } | |
2189 | ||
c9d45a6b | 2190 | field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2191 | BT_ASSERT_DBG(field); |
e98a2d6e | 2192 | |
a6918753 | 2193 | /* Append current substring */ |
78cf9df6 | 2194 | ret = bt_field_string_append_with_length(field, value, len); |
e98a2d6e | 2195 | if (ret) { |
0f077192 FD |
2196 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2197 | "Cannot append substring to string field's value: " | |
c9d45a6b FD |
2198 | "msg-it-addr=%p, field-addr=%p, string-length=%zu, " |
2199 | "ret=%d", msg_it, field, len, ret); | |
939190b3 | 2200 | status = BT_BFCR_STATUS_ERROR; |
e98a2d6e PP |
2201 | goto end; |
2202 | } | |
2203 | ||
2204 | end: | |
2205 | return status; | |
2206 | } | |
2207 | ||
2208 | static | |
939190b3 PP |
2209 | enum bt_bfcr_status bfcr_string_end_cb( |
2210 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2211 | { |
5d452e1f | 2212 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2213 | |
c9ecaa78 | 2214 | BT_COMP_LOGT("String (end) function called from BFCR: " |
c9d45a6b | 2215 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2216 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2217 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e5e71bf8 | 2218 | |
c9d45a6b | 2219 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e5e71bf8 PP |
2220 | goto end; |
2221 | } | |
fdf0e7a0 | 2222 | |
e98a2d6e | 2223 | /* Pop string field */ |
c9d45a6b | 2224 | stack_pop(msg_it->stack); |
e98a2d6e PP |
2225 | |
2226 | /* Go to next field */ | |
c9d45a6b | 2227 | stack_top(msg_it->stack)->index++; |
e5e71bf8 PP |
2228 | |
2229 | end: | |
939190b3 | 2230 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2231 | } |
2232 | ||
f3847c75 | 2233 | static |
939190b3 PP |
2234 | enum bt_bfcr_status bfcr_compound_begin_cb( |
2235 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2236 | { |
5d452e1f | 2237 | struct ctf_msg_iter *msg_it = data; |
8eee8ea2 | 2238 | bt_field *field; |
e98a2d6e | 2239 | |
c9ecaa78 | 2240 | BT_COMP_LOGT("Compound (beginning) function called from BFCR: " |
c9d45a6b | 2241 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2242 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2243 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
7b33a0e0 | 2244 | |
c9d45a6b | 2245 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
7b33a0e0 PP |
2246 | goto end; |
2247 | } | |
fdf0e7a0 | 2248 | |
a6918753 | 2249 | /* Borrow field */ |
c9d45a6b | 2250 | if (stack_empty(msg_it->stack)) { |
a6918753 | 2251 | /* Root: already set by read_dscope_begin_state() */ |
c9d45a6b | 2252 | field = msg_it->cur_dscope_field; |
e98a2d6e | 2253 | } else { |
c9d45a6b | 2254 | field = borrow_next_field(msg_it); |
ec4a3354 | 2255 | BT_ASSERT_DBG(field); |
e98a2d6e PP |
2256 | } |
2257 | ||
2258 | /* Push field */ | |
ec4a3354 PP |
2259 | BT_ASSERT_DBG(field); |
2260 | BT_ASSERT_DBG(bt_field_borrow_class_const(field) == fc->ir_fc); | |
c9d45a6b | 2261 | stack_push(msg_it->stack, field); |
7b33a0e0 PP |
2262 | |
2263 | /* | |
939190b3 | 2264 | * Change BFCR "unsigned int" callback if it's a text |
7b33a0e0 PP |
2265 | * array/sequence. |
2266 | */ | |
af0c18e3 PP |
2267 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2268 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
939190b3 | 2269 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
7b33a0e0 | 2270 | |
939190b3 | 2271 | if (array_fc->is_text) { |
ec4a3354 | 2272 | BT_ASSERT_DBG(bt_field_get_class_type(field) == |
78cf9df6 | 2273 | BT_FIELD_CLASS_TYPE_STRING); |
c9d45a6b | 2274 | msg_it->done_filling_string = false; |
fb25b9e3 | 2275 | bt_field_string_clear(field); |
c9d45a6b | 2276 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
939190b3 | 2277 | bfcr_unsigned_int_char_cb); |
7b33a0e0 | 2278 | } |
e98a2d6e PP |
2279 | } |
2280 | ||
2281 | end: | |
939190b3 | 2282 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2283 | } |
2284 | ||
f3847c75 | 2285 | static |
939190b3 PP |
2286 | enum bt_bfcr_status bfcr_compound_end_cb( |
2287 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2288 | { |
5d452e1f | 2289 | struct ctf_msg_iter *msg_it = data; |
e98a2d6e | 2290 | |
c9ecaa78 | 2291 | BT_COMP_LOGT("Compound (end) function called from BFCR: " |
c9d45a6b | 2292 | "msg-it-addr=%p, bfcr-addr=%p, fc-addr=%p, " |
af0c18e3 | 2293 | "fc-type=%d, fc-in-ir=%d", |
c9d45a6b | 2294 | msg_it, msg_it->bfcr, fc, fc->type, fc->in_ir); |
e98a2d6e | 2295 | |
c9d45a6b | 2296 | if (G_UNLIKELY(!fc->in_ir || msg_it->dry_run)) { |
e98a2d6e PP |
2297 | goto end; |
2298 | } | |
2299 | ||
c9d45a6b FD |
2300 | BT_ASSERT_DBG(!stack_empty(msg_it->stack)); |
2301 | BT_ASSERT_DBG(bt_field_borrow_class_const(stack_top(msg_it->stack)->base) == | |
939190b3 | 2302 | fc->ir_fc); |
e98a2d6e | 2303 | |
7b33a0e0 | 2304 | /* |
939190b3 | 2305 | * Reset BFCR "unsigned int" callback if it's a text |
7b33a0e0 PP |
2306 | * array/sequence. |
2307 | */ | |
af0c18e3 PP |
2308 | if (fc->type == CTF_FIELD_CLASS_TYPE_ARRAY || |
2309 | fc->type == CTF_FIELD_CLASS_TYPE_SEQUENCE) { | |
939190b3 | 2310 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
7b33a0e0 | 2311 | |
939190b3 | 2312 | if (array_fc->is_text) { |
ec4a3354 | 2313 | BT_ASSERT_DBG(bt_field_get_class_type( |
c9d45a6b | 2314 | stack_top(msg_it->stack)->base) == |
9e550e5f | 2315 | BT_FIELD_CLASS_TYPE_STRING); |
c9d45a6b | 2316 | bt_bfcr_set_unsigned_int_cb(msg_it->bfcr, |
939190b3 | 2317 | bfcr_unsigned_int_cb); |
e98a2d6e | 2318 | } |
7b33a0e0 | 2319 | } |
e98a2d6e | 2320 | |
7b33a0e0 | 2321 | /* Pop stack */ |
c9d45a6b | 2322 | stack_pop(msg_it->stack); |
e98a2d6e | 2323 | |
7b33a0e0 | 2324 | /* If the stack is not empty, increment the base's index */ |
c9d45a6b FD |
2325 | if (!stack_empty(msg_it->stack)) { |
2326 | stack_top(msg_it->stack)->index++; | |
e98a2d6e PP |
2327 | } |
2328 | ||
2329 | end: | |
939190b3 | 2330 | return BT_BFCR_STATUS_OK; |
e98a2d6e PP |
2331 | } |
2332 | ||
2333 | static | |
939190b3 | 2334 | int64_t bfcr_get_sequence_length_cb(struct ctf_field_class *fc, void *data) |
e98a2d6e | 2335 | { |
8eee8ea2 | 2336 | bt_field *seq_field; |
5d452e1f | 2337 | struct ctf_msg_iter *msg_it = data; |
c9d45a6b | 2338 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2339 | struct ctf_field_class_sequence *seq_fc = (void *) fc; |
0f077192 | 2340 | int64_t length; |
7b33a0e0 | 2341 | int ret; |
e98a2d6e | 2342 | |
c9d45a6b | 2343 | length = (uint64_t) g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2344 | seq_fc->stored_length_index); |
8482a078 | 2345 | |
c9d45a6b | 2346 | if (G_UNLIKELY(msg_it->dry_run)){ |
8482a078 FD |
2347 | goto end; |
2348 | } | |
2349 | ||
c9d45a6b | 2350 | seq_field = stack_top(msg_it->stack)->base; |
ec4a3354 | 2351 | BT_ASSERT_DBG(seq_field); |
c16748c7 PP |
2352 | |
2353 | /* | |
2354 | * bfcr_get_sequence_length_cb() also gets called back for a | |
2355 | * text sequence, but the destination field is a string field. | |
2356 | * Only set the field's sequence length if the destination field | |
2357 | * is a sequence field. | |
2358 | */ | |
2359 | if (!seq_fc->base.is_text) { | |
ec4a3354 | 2360 | BT_ASSERT_DBG(bt_field_class_type_is( |
94847783 PP |
2361 | bt_field_get_class_type(seq_field), |
2362 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)); | |
60bbfc7c | 2363 | ret = bt_field_array_dynamic_set_length(seq_field, |
c16748c7 PP |
2364 | (uint64_t) length); |
2365 | if (ret) { | |
0f077192 FD |
2366 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2367 | "Cannot set dynamic array field's length field: " | |
c9d45a6b FD |
2368 | "msg-it-addr=%p, field-addr=%p, " |
2369 | "length=%" PRIu64, msg_it, seq_field, length); | |
0f077192 | 2370 | length = -1; |
c16748c7 | 2371 | } |
2cf1d51e | 2372 | } |
fdf0e7a0 | 2373 | |
8482a078 | 2374 | end: |
7b33a0e0 | 2375 | return length; |
e98a2d6e PP |
2376 | } |
2377 | ||
2378 | static | |
939190b3 PP |
2379 | struct ctf_field_class *bfcr_borrow_variant_selected_field_class_cb( |
2380 | struct ctf_field_class *fc, void *data) | |
e98a2d6e | 2381 | { |
a6918753 | 2382 | int ret; |
7b33a0e0 PP |
2383 | uint64_t i; |
2384 | int64_t option_index = -1; | |
5d452e1f | 2385 | struct ctf_msg_iter *msg_it = data; |
939190b3 PP |
2386 | struct ctf_field_class_variant *var_fc = (void *) fc; |
2387 | struct ctf_named_field_class *selected_option = NULL; | |
c9d45a6b | 2388 | bt_self_component *self_comp = msg_it->self_comp; |
939190b3 | 2389 | struct ctf_field_class *ret_fc = NULL; |
7b33a0e0 PP |
2390 | union { |
2391 | uint64_t u; | |
2392 | int64_t i; | |
2393 | } tag; | |
2394 | ||
2395 | /* Get variant's tag */ | |
c9d45a6b | 2396 | tag.u = g_array_index(msg_it->stored_values, uint64_t, |
939190b3 | 2397 | var_fc->stored_tag_index); |
e98a2d6e PP |
2398 | |
2399 | /* | |
7b33a0e0 | 2400 | * Check each range to find the selected option's index. |
e98a2d6e | 2401 | */ |
939190b3 PP |
2402 | if (var_fc->tag_fc->base.is_signed) { |
2403 | for (i = 0; i < var_fc->ranges->len; i++) { | |
2404 | struct ctf_field_class_variant_range *range = | |
2405 | ctf_field_class_variant_borrow_range_by_index( | |
2406 | var_fc, i); | |
7b33a0e0 PP |
2407 | |
2408 | if (tag.i >= range->range.lower.i && | |
2409 | tag.i <= range->range.upper.i) { | |
2410 | option_index = (int64_t) range->option_index; | |
2411 | break; | |
2412 | } | |
2413 | } | |
a6918753 | 2414 | } else { |
939190b3 PP |
2415 | for (i = 0; i < var_fc->ranges->len; i++) { |
2416 | struct ctf_field_class_variant_range *range = | |
2417 | ctf_field_class_variant_borrow_range_by_index( | |
2418 | var_fc, i); | |
7b33a0e0 PP |
2419 | |
2420 | if (tag.u >= range->range.lower.u && | |
2421 | tag.u <= range->range.upper.u) { | |
2422 | option_index = (int64_t) range->option_index; | |
2423 | break; | |
2424 | } | |
2425 | } | |
a6918753 PP |
2426 | } |
2427 | ||
7b33a0e0 | 2428 | if (option_index < 0) { |
0f077192 FD |
2429 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2430 | "Cannot find variant field class's option: " | |
c9d45a6b FD |
2431 | "msg-it-addr=%p, var-fc-addr=%p, u-tag=%" PRIu64 ", " |
2432 | "i-tag=%" PRId64, msg_it, var_fc, tag.u, tag.i); | |
0f077192 | 2433 | ret_fc = NULL; |
e98a2d6e PP |
2434 | goto end; |
2435 | } | |
2436 | ||
939190b3 PP |
2437 | selected_option = ctf_field_class_variant_borrow_option_by_index( |
2438 | var_fc, (uint64_t) option_index); | |
e98a2d6e | 2439 | |
c9d45a6b FD |
2440 | if (selected_option->fc->in_ir && !msg_it->dry_run) { |
2441 | bt_field *var_field = stack_top(msg_it->stack)->base; | |
1556a1af | 2442 | |
02b61fe0 | 2443 | ret = bt_field_variant_select_option_field_by_index( |
9e550e5f | 2444 | var_field, option_index); |
8fc063a2 | 2445 | if (ret) { |
0f077192 FD |
2446 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2447 | "Cannot select variant field's option field: " | |
c9d45a6b FD |
2448 | "msg-it-addr=%p, var-field-addr=%p, " |
2449 | "opt-index=%" PRId64, msg_it, var_field, | |
7b33a0e0 | 2450 | option_index); |
0f077192 | 2451 | ret_fc = NULL; |
1556a1af JG |
2452 | goto end; |
2453 | } | |
5184a1d6 PP |
2454 | } |
2455 | ||
939190b3 | 2456 | ret_fc = selected_option->fc; |
8fc063a2 | 2457 | |
5184a1d6 | 2458 | end: |
939190b3 | 2459 | return ret_fc; |
7b33a0e0 PP |
2460 | } |
2461 | ||
6ff151ad | 2462 | static |
5d452e1f | 2463 | bt_message *create_msg_stream_beginning(struct ctf_msg_iter *msg_it) |
6ff151ad | 2464 | { |
c9d45a6b | 2465 | bt_self_component *self_comp = msg_it->self_comp; |
699a0ffb | 2466 | bt_message *msg; |
6ff151ad | 2467 | |
c9d45a6b | 2468 | BT_ASSERT(msg_it->stream); |
6c7642c2 SM |
2469 | BT_ASSERT(msg_it->self_msg_iter); |
2470 | msg = bt_message_stream_beginning_create(msg_it->self_msg_iter, | |
c9d45a6b | 2471 | msg_it->stream); |
699a0ffb | 2472 | if (!msg) { |
0f077192 FD |
2473 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2474 | "Cannot create stream beginning message: " | |
c9d45a6b FD |
2475 | "msg-it-addr=%p, stream-addr=%p", |
2476 | msg_it, msg_it->stream); | |
6ff151ad PP |
2477 | } |
2478 | ||
699a0ffb | 2479 | return msg; |
6ff151ad PP |
2480 | } |
2481 | ||
bbbd35bf | 2482 | static |
5d452e1f | 2483 | bt_message *create_msg_stream_end(struct ctf_msg_iter *msg_it) |
6ff151ad | 2484 | { |
c9d45a6b | 2485 | bt_self_component *self_comp = msg_it->self_comp; |
699a0ffb | 2486 | bt_message *msg; |
6ff151ad | 2487 | |
c9d45a6b | 2488 | if (!msg_it->stream) { |
0f077192 FD |
2489 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2490 | "Cannot create stream end message because stream is NULL: " | |
c9d45a6b | 2491 | "msg-it-addr=%p", msg_it); |
699a0ffb FD |
2492 | msg = NULL; |
2493 | goto end; | |
6ff151ad PP |
2494 | } |
2495 | ||
6c7642c2 SM |
2496 | BT_ASSERT(msg_it->self_msg_iter); |
2497 | msg = bt_message_stream_end_create(msg_it->self_msg_iter, | |
c9d45a6b | 2498 | msg_it->stream); |
699a0ffb | 2499 | if (!msg) { |
0f077192 FD |
2500 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2501 | "Cannot create stream end message: " | |
c9d45a6b FD |
2502 | "msg-it-addr=%p, stream-addr=%p", |
2503 | msg_it, msg_it->stream); | |
6ff151ad | 2504 | } |
bbbd35bf | 2505 | |
699a0ffb FD |
2506 | end: |
2507 | return msg; | |
6ff151ad PP |
2508 | } |
2509 | ||
78586d8a | 2510 | static |
5d452e1f | 2511 | bt_message *create_msg_packet_beginning(struct ctf_msg_iter *msg_it, |
699a0ffb | 2512 | bool use_default_cs) |
e98a2d6e | 2513 | { |
c9d45a6b | 2514 | bt_self_component *self_comp = msg_it->self_comp; |
a6918753 | 2515 | int ret; |
699a0ffb | 2516 | bt_message *msg; |
c9d45a6b | 2517 | const bt_stream_class *sc = msg_it->meta.sc->ir_sc; |
e98a2d6e | 2518 | |
c9d45a6b | 2519 | BT_ASSERT(msg_it->packet); |
7b33a0e0 PP |
2520 | BT_ASSERT(sc); |
2521 | ||
c9d45a6b | 2522 | if (msg_it->packet_context_field) { |
78cf9df6 | 2523 | ret = bt_packet_move_context_field( |
c9d45a6b | 2524 | msg_it->packet, msg_it->packet_context_field); |
a6918753 | 2525 | if (ret) { |
699a0ffb | 2526 | msg = NULL; |
a6918753 PP |
2527 | goto end; |
2528 | } | |
2529 | ||
c9d45a6b | 2530 | msg_it->packet_context_field = NULL; |
a6918753 PP |
2531 | |
2532 | /* | |
c9d45a6b | 2533 | * At this point msg_it->dscopes.stream_packet_context |
0476f6f7 | 2534 | * has the same value as the packet context field within |
c9d45a6b | 2535 | * msg_it->packet. |
a6918753 | 2536 | */ |
78cf9df6 | 2537 | BT_ASSERT(bt_packet_borrow_context_field( |
c9d45a6b FD |
2538 | msg_it->packet) == |
2539 | msg_it->dscopes.stream_packet_context); | |
a6918753 PP |
2540 | } |
2541 | ||
6c7642c2 | 2542 | BT_ASSERT(msg_it->self_msg_iter); |
96a0a69d | 2543 | |
c9d45a6b FD |
2544 | if (msg_it->meta.sc->packets_have_ts_begin) { |
2545 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
29b36c79 FD |
2546 | uint64_t raw_cs_value; |
2547 | ||
2548 | /* | |
2549 | * Either use the decoded packet `timestamp_begin` field or the | |
2550 | * current stream's default clock_snapshot. | |
2551 | */ | |
2552 | if (use_default_cs) { | |
c9d45a6b | 2553 | raw_cs_value = msg_it->default_clock_snapshot; |
29b36c79 | 2554 | } else { |
c9d45a6b | 2555 | raw_cs_value = msg_it->snapshots.beginning_clock; |
29b36c79 FD |
2556 | } |
2557 | ||
92f86a9e | 2558 | msg = bt_message_packet_beginning_create_with_default_clock_snapshot( |
6c7642c2 | 2559 | msg_it->self_msg_iter, msg_it->packet, |
29b36c79 | 2560 | raw_cs_value); |
92f86a9e | 2561 | } else { |
6c7642c2 | 2562 | msg = bt_message_packet_beginning_create(msg_it->self_msg_iter, |
c9d45a6b | 2563 | msg_it->packet); |
96a0a69d PP |
2564 | } |
2565 | ||
b09a5592 | 2566 | if (!msg) { |
0f077192 FD |
2567 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2568 | "Cannot create packet beginning message: " | |
c9d45a6b FD |
2569 | "msg-it-addr=%p, packet-addr=%p", |
2570 | msg_it, msg_it->packet); | |
8fc063a2 | 2571 | goto end; |
78586d8a | 2572 | } |
a6918753 | 2573 | |
8fc063a2 | 2574 | end: |
699a0ffb | 2575 | return msg; |
e98a2d6e PP |
2576 | } |
2577 | ||
29b36c79 | 2578 | static |
5d452e1f | 2579 | bt_message *emit_delayed_packet_beg_msg(struct ctf_msg_iter *msg_it) |
29b36c79 FD |
2580 | { |
2581 | bool packet_beg_ts_need_fix_up; | |
2582 | ||
c9d45a6b | 2583 | msg_it->emit_delayed_packet_beginning_msg = false; |
29b36c79 FD |
2584 | |
2585 | /* | |
2586 | * Only fix the packet's timestamp_begin if it's larger than the first | |
2587 | * event of the packet. If there was no event in the packet, the | |
2588 | * `default_clock_snapshot` field will be either equal or greater than | |
2589 | * `snapshots.beginning_clock` so there is not fix needed. | |
2590 | */ | |
2591 | packet_beg_ts_need_fix_up = | |
c9d45a6b | 2592 | msg_it->default_clock_snapshot < msg_it->snapshots.beginning_clock; |
29b36c79 FD |
2593 | |
2594 | /* create_msg_packet_beginning() logs errors */ | |
c9d45a6b | 2595 | return create_msg_packet_beginning(msg_it, packet_beg_ts_need_fix_up); |
29b36c79 FD |
2596 | } |
2597 | ||
2598 | ||
78586d8a | 2599 | static |
5d452e1f | 2600 | bt_message *create_msg_packet_end(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2601 | { |
b09a5592 | 2602 | bt_message *msg; |
6069b85e | 2603 | bool update_default_cs = true; |
c9d45a6b | 2604 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2605 | |
c9d45a6b | 2606 | if (!msg_it->packet) { |
699a0ffb FD |
2607 | msg = NULL; |
2608 | goto end; | |
e98a2d6e PP |
2609 | } |
2610 | ||
29b36c79 FD |
2611 | /* |
2612 | * Check if we need to emit the delayed packet | |
2613 | * beginning message instead of the packet end message. | |
2614 | */ | |
c9d45a6b FD |
2615 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2616 | msg = emit_delayed_packet_beg_msg(msg_it); | |
29b36c79 | 2617 | /* Don't forget to emit the packet end message. */ |
c9d45a6b | 2618 | msg_it->state = STATE_EMIT_QUEUED_MSG_PACKET_END; |
699a0ffb | 2619 | goto end; |
29b36c79 FD |
2620 | } |
2621 | ||
6069b85e | 2622 | /* Check if may be affected by lttng-crash timestamp_end quirk. */ |
c9d45a6b | 2623 | if (G_UNLIKELY(msg_it->meta.tc->quirks.lttng_crash)) { |
6069b85e FD |
2624 | /* |
2625 | * Check if the `timestamp_begin` field is non-zero but | |
2626 | * `timestamp_end` is zero. It means the trace is affected by | |
2627 | * the lttng-crash packet `timestamp_end` quirk and must be | |
2628 | * fixed up by omitting to update the default clock snapshot to | |
2629 | * the `timestamp_end` as is typically done. | |
2630 | */ | |
c9d45a6b FD |
2631 | if (msg_it->snapshots.beginning_clock != 0 && |
2632 | msg_it->snapshots.end_clock == 0) { | |
6069b85e FD |
2633 | update_default_cs = false; |
2634 | } | |
2635 | } | |
2636 | ||
1a8205fb FD |
2637 | /* |
2638 | * Check if may be affected by lttng event-after-packet `timestamp_end` | |
2639 | * quirk. | |
2640 | */ | |
c9d45a6b | 2641 | if (msg_it->meta.tc->quirks.lttng_event_after_packet) { |
1a8205fb FD |
2642 | /* |
2643 | * Check if `timestamp_end` is smaller then the current | |
2644 | * default_clock_snapshot (which is set to the last event | |
2645 | * decoded). It means the trace is affected by the lttng | |
2646 | * `event-after-packet` packet `timestamp_end` quirk and must | |
2647 | * be fixed up by omitting to update the default clock snapshot | |
2648 | * to the `timestamp_end` as is typically done. | |
2649 | */ | |
c9d45a6b | 2650 | if (msg_it->snapshots.end_clock < msg_it->default_clock_snapshot) { |
1a8205fb FD |
2651 | update_default_cs = false; |
2652 | } | |
2653 | } | |
2654 | ||
6069b85e | 2655 | /* Update default clock from packet's end time. */ |
c9d45a6b FD |
2656 | if (msg_it->snapshots.end_clock != UINT64_C(-1) && update_default_cs) { |
2657 | msg_it->default_clock_snapshot = msg_it->snapshots.end_clock; | |
7b33a0e0 PP |
2658 | } |
2659 | ||
6c7642c2 | 2660 | BT_ASSERT(msg_it->self_msg_iter); |
96a0a69d | 2661 | |
c9d45a6b FD |
2662 | if (msg_it->meta.sc->packets_have_ts_end) { |
2663 | BT_ASSERT(msg_it->snapshots.end_clock != UINT64_C(-1)); | |
96a0a69d | 2664 | msg = bt_message_packet_end_create_with_default_clock_snapshot( |
6c7642c2 | 2665 | msg_it->self_msg_iter, msg_it->packet, |
c9d45a6b | 2666 | msg_it->default_clock_snapshot); |
92f86a9e | 2667 | } else { |
6c7642c2 | 2668 | msg = bt_message_packet_end_create(msg_it->self_msg_iter, |
c9d45a6b | 2669 | msg_it->packet); |
96a0a69d PP |
2670 | } |
2671 | ||
b09a5592 | 2672 | if (!msg) { |
0f077192 FD |
2673 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2674 | "Cannot create packet end message: " | |
c9d45a6b FD |
2675 | "msg-it-addr=%p, packet-addr=%p", |
2676 | msg_it, msg_it->packet); | |
699a0ffb | 2677 | goto end; |
e5815ba2 | 2678 | |
78586d8a | 2679 | } |
e98a2d6e | 2680 | |
c9d45a6b | 2681 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
699a0ffb FD |
2682 | |
2683 | end: | |
2684 | return msg; | |
e98a2d6e PP |
2685 | } |
2686 | ||
989925d1 | 2687 | static |
5d452e1f | 2688 | bt_message *create_msg_discarded_events(struct ctf_msg_iter *msg_it) |
989925d1 PP |
2689 | { |
2690 | bt_message *msg; | |
c9d45a6b | 2691 | bt_self_component *self_comp = msg_it->self_comp; |
989925d1 PP |
2692 | uint64_t beginning_raw_value = UINT64_C(-1); |
2693 | uint64_t end_raw_value = UINT64_C(-1); | |
989925d1 | 2694 | |
6c7642c2 | 2695 | BT_ASSERT(msg_it->self_msg_iter); |
c9d45a6b FD |
2696 | BT_ASSERT(msg_it->stream); |
2697 | BT_ASSERT(msg_it->meta.sc->has_discarded_events); | |
989925d1 | 2698 | |
c9d45a6b FD |
2699 | if (msg_it->meta.sc->discarded_events_have_default_cs) { |
2700 | if (msg_it->prev_packet_snapshots.discarded_events == UINT64_C(-1)) { | |
32476570 PP |
2701 | /* |
2702 | * We discarded events, but before (and possibly | |
2703 | * including) the current packet: use this packet's time | |
2704 | * range, and do not have a specific count. | |
2705 | */ | |
c9d45a6b FD |
2706 | beginning_raw_value = msg_it->snapshots.beginning_clock; |
2707 | end_raw_value = msg_it->snapshots.end_clock; | |
32476570 | 2708 | } else { |
c9d45a6b FD |
2709 | beginning_raw_value = msg_it->prev_packet_snapshots.end_clock; |
2710 | end_raw_value = msg_it->snapshots.end_clock; | |
32476570 | 2711 | } |
989925d1 | 2712 | |
32476570 PP |
2713 | BT_ASSERT(beginning_raw_value != UINT64_C(-1)); |
2714 | BT_ASSERT(end_raw_value != UINT64_C(-1)); | |
989925d1 | 2715 | msg = bt_message_discarded_events_create_with_default_clock_snapshots( |
6c7642c2 | 2716 | msg_it->self_msg_iter, msg_it->stream, beginning_raw_value, |
989925d1 PP |
2717 | end_raw_value); |
2718 | } else { | |
6c7642c2 | 2719 | msg = bt_message_discarded_events_create(msg_it->self_msg_iter, |
c9d45a6b | 2720 | msg_it->stream); |
989925d1 PP |
2721 | } |
2722 | ||
2723 | if (!msg) { | |
0f077192 FD |
2724 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2725 | "Cannot create discarded events message: " | |
c9d45a6b FD |
2726 | "msg-it-addr=%p, stream-addr=%p", |
2727 | msg_it, msg_it->stream); | |
699a0ffb | 2728 | goto end; |
989925d1 PP |
2729 | } |
2730 | ||
c9d45a6b | 2731 | if (msg_it->prev_packet_snapshots.discarded_events != UINT64_C(-1)) { |
32476570 | 2732 | bt_message_discarded_events_set_count(msg, |
c9d45a6b FD |
2733 | msg_it->snapshots.discarded_events - |
2734 | msg_it->prev_packet_snapshots.discarded_events); | |
989925d1 PP |
2735 | } |
2736 | ||
699a0ffb FD |
2737 | end: |
2738 | return msg; | |
989925d1 PP |
2739 | } |
2740 | ||
2741 | static | |
5d452e1f | 2742 | bt_message *create_msg_discarded_packets(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 | 2746 | |
6c7642c2 | 2747 | BT_ASSERT(msg_it->self_msg_iter); |
c9d45a6b FD |
2748 | BT_ASSERT(msg_it->stream); |
2749 | BT_ASSERT(msg_it->meta.sc->has_discarded_packets); | |
2750 | BT_ASSERT(msg_it->prev_packet_snapshots.packets != | |
989925d1 PP |
2751 | UINT64_C(-1)); |
2752 | ||
c9d45a6b FD |
2753 | if (msg_it->meta.sc->discarded_packets_have_default_cs) { |
2754 | BT_ASSERT(msg_it->prev_packet_snapshots.end_clock != UINT64_C(-1)); | |
2755 | BT_ASSERT(msg_it->snapshots.beginning_clock != UINT64_C(-1)); | |
989925d1 | 2756 | msg = bt_message_discarded_packets_create_with_default_clock_snapshots( |
6c7642c2 | 2757 | msg_it->self_msg_iter, msg_it->stream, |
c9d45a6b FD |
2758 | msg_it->prev_packet_snapshots.end_clock, |
2759 | msg_it->snapshots.beginning_clock); | |
989925d1 | 2760 | } else { |
6c7642c2 | 2761 | msg = bt_message_discarded_packets_create(msg_it->self_msg_iter, |
c9d45a6b | 2762 | msg_it->stream); |
989925d1 PP |
2763 | } |
2764 | ||
2765 | if (!msg) { | |
0f077192 FD |
2766 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2767 | "Cannot create discarded packets message: " | |
c9d45a6b FD |
2768 | "msg-it-addr=%p, stream-addr=%p", |
2769 | msg_it, msg_it->stream); | |
699a0ffb | 2770 | goto end; |
989925d1 PP |
2771 | } |
2772 | ||
2773 | bt_message_discarded_packets_set_count(msg, | |
c9d45a6b FD |
2774 | msg_it->snapshots.packets - |
2775 | msg_it->prev_packet_snapshots.packets - 1); | |
699a0ffb FD |
2776 | |
2777 | end: | |
2778 | return msg; | |
989925d1 PP |
2779 | } |
2780 | ||
c44c3e70 | 2781 | BT_HIDDEN |
2428e031 SM |
2782 | struct ctf_msg_iter *ctf_msg_iter_create( |
2783 | struct ctf_trace_class *tc, | |
e98a2d6e | 2784 | size_t max_request_sz, |
5d452e1f | 2785 | struct ctf_msg_iter_medium_ops medops, void *data, |
2428e031 SM |
2786 | bt_logging_level log_level, |
2787 | bt_self_component *self_comp, | |
2788 | bt_self_message_iterator *self_msg_iter) | |
e98a2d6e | 2789 | { |
5d452e1f | 2790 | struct ctf_msg_iter *msg_it = NULL; |
939190b3 PP |
2791 | struct bt_bfcr_cbs cbs = { |
2792 | .classes = { | |
2793 | .signed_int = bfcr_signed_int_cb, | |
2794 | .unsigned_int = bfcr_unsigned_int_cb, | |
2795 | .floating_point = bfcr_floating_point_cb, | |
2796 | .string_begin = bfcr_string_begin_cb, | |
2797 | .string = bfcr_string_cb, | |
2798 | .string_end = bfcr_string_end_cb, | |
2799 | .compound_begin = bfcr_compound_begin_cb, | |
2800 | .compound_end = bfcr_compound_end_cb, | |
e98a2d6e PP |
2801 | }, |
2802 | .query = { | |
939190b3 PP |
2803 | .get_sequence_length = bfcr_get_sequence_length_cb, |
2804 | .borrow_variant_selected_field_class = bfcr_borrow_variant_selected_field_class_cb, | |
e98a2d6e PP |
2805 | }, |
2806 | }; | |
2807 | ||
7b33a0e0 | 2808 | BT_ASSERT(tc); |
8b45963b | 2809 | BT_ASSERT(medops.request_bytes); |
a6918753 | 2810 | BT_ASSERT(medops.borrow_stream); |
640a46fd SM |
2811 | BT_ASSERT(max_request_sz > 0); |
2812 | ||
e310e6e2 | 2813 | BT_COMP_LOG_CUR_LVL(BT_LOG_DEBUG, log_level, self_comp, |
f8811e3b | 2814 | "Creating CTF plugin message iterator: " |
10b7a2e4 | 2815 | "trace-addr=%p, max-request-size=%zu, " |
f8811e3b PP |
2816 | "data=%p, log-level=%s", tc, max_request_sz, data, |
2817 | bt_common_logging_level_string(log_level)); | |
5d452e1f | 2818 | msg_it = g_new0(struct ctf_msg_iter, 1); |
c9d45a6b | 2819 | if (!msg_it) { |
e310e6e2 | 2820 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
f8811e3b | 2821 | "Failed to allocate one CTF plugin message iterator."); |
e98a2d6e PP |
2822 | goto end; |
2823 | } | |
c9d45a6b | 2824 | msg_it->self_comp = self_comp; |
2428e031 | 2825 | msg_it->self_msg_iter = self_msg_iter; |
c9d45a6b FD |
2826 | msg_it->log_level = log_level; |
2827 | msg_it->meta.tc = tc; | |
2828 | msg_it->medium.medops = medops; | |
2829 | msg_it->medium.max_request_sz = max_request_sz; | |
2830 | msg_it->medium.data = data; | |
2831 | msg_it->stack = stack_new(msg_it); | |
2832 | msg_it->stored_values = g_array_new(FALSE, TRUE, sizeof(uint64_t)); | |
2833 | g_array_set_size(msg_it->stored_values, tc->stored_value_count); | |
2834 | ||
2835 | if (!msg_it->stack) { | |
0f077192 FD |
2836 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2837 | "Failed to create field stack."); | |
c44c3e70 | 2838 | goto error; |
e98a2d6e PP |
2839 | } |
2840 | ||
c9d45a6b FD |
2841 | msg_it->bfcr = bt_bfcr_create(cbs, msg_it, log_level, NULL); |
2842 | if (!msg_it->bfcr) { | |
0f077192 FD |
2843 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
2844 | "Failed to create binary class reader (BFCR)."); | |
c44c3e70 | 2845 | goto error; |
e98a2d6e PP |
2846 | } |
2847 | ||
5d452e1f | 2848 | ctf_msg_iter_reset(msg_it); |
e310e6e2 | 2849 | BT_COMP_LOGD("Created CTF plugin message iterator: " |
10b7a2e4 | 2850 | "trace-addr=%p, max-request-size=%zu, " |
c9d45a6b FD |
2851 | "data=%p, msg-it-addr=%p, log-level=%s", |
2852 | tc, max_request_sz, data, msg_it, | |
f8811e3b | 2853 | bt_common_logging_level_string(log_level)); |
c9d45a6b | 2854 | msg_it->cur_packet_offset = 0; |
fdf0e7a0 | 2855 | |
e98a2d6e | 2856 | end: |
c9d45a6b | 2857 | return msg_it; |
fdf0e7a0 | 2858 | |
c44c3e70 | 2859 | error: |
5d452e1f | 2860 | ctf_msg_iter_destroy(msg_it); |
c9d45a6b | 2861 | msg_it = NULL; |
c44c3e70 | 2862 | goto end; |
e98a2d6e PP |
2863 | } |
2864 | ||
5d452e1f | 2865 | void ctf_msg_iter_destroy(struct ctf_msg_iter *msg_it) |
e98a2d6e | 2866 | { |
c9d45a6b FD |
2867 | BT_PACKET_PUT_REF_AND_RESET(msg_it->packet); |
2868 | BT_STREAM_PUT_REF_AND_RESET(msg_it->stream); | |
2869 | release_all_dscopes(msg_it); | |
e98a2d6e | 2870 | |
c9d45a6b | 2871 | BT_COMP_LOGD("Destroying CTF plugin message iterator: addr=%p", msg_it); |
fdf0e7a0 | 2872 | |
c9d45a6b | 2873 | if (msg_it->stack) { |
e310e6e2 | 2874 | BT_COMP_LOGD_STR("Destroying field stack."); |
c9d45a6b | 2875 | stack_destroy(msg_it->stack); |
e98a2d6e PP |
2876 | } |
2877 | ||
c9d45a6b FD |
2878 | if (msg_it->bfcr) { |
2879 | BT_COMP_LOGD("Destroying BFCR: bfcr-addr=%p", msg_it->bfcr); | |
2880 | bt_bfcr_destroy(msg_it->bfcr); | |
e98a2d6e PP |
2881 | } |
2882 | ||
c9d45a6b FD |
2883 | if (msg_it->stored_values) { |
2884 | g_array_free(msg_it->stored_values, TRUE); | |
5f870343 | 2885 | } |
fdf0e7a0 | 2886 | |
c9d45a6b | 2887 | g_free(msg_it); |
e98a2d6e PP |
2888 | } |
2889 | ||
5d452e1f SM |
2890 | enum ctf_msg_iter_status ctf_msg_iter_get_next_message( |
2891 | struct ctf_msg_iter *msg_it, | |
55e57fc9 | 2892 | const bt_message **message) |
e98a2d6e | 2893 | { |
5d452e1f | 2894 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 2895 | bt_self_component *self_comp = msg_it->self_comp; |
e98a2d6e | 2896 | |
c9d45a6b | 2897 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 2898 | BT_ASSERT_DBG(message); |
c9d45a6b | 2899 | BT_COMP_LOGD("Getting next message: msg-it-addr=%p", msg_it); |
fdf0e7a0 | 2900 | |
e98a2d6e | 2901 | while (true) { |
c9d45a6b | 2902 | status = handle_state(msg_it); |
5d452e1f SM |
2903 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
2904 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
7cdc2bab | 2905 | goto end; |
5d452e1f | 2906 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
0f077192 | 2907 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
2908 | "Cannot handle state: msg-it-addr=%p, state=%s", |
2909 | msg_it, state_string(msg_it->state)); | |
e98a2d6e PP |
2910 | goto end; |
2911 | } | |
2912 | ||
c9d45a6b | 2913 | switch (msg_it->state) { |
bbbd35bf | 2914 | case STATE_EMIT_MSG_EVENT: |
c9d45a6b | 2915 | BT_ASSERT_DBG(msg_it->event_msg); |
29b36c79 FD |
2916 | |
2917 | /* | |
2918 | * Check if we need to emit the delayed packet | |
2919 | * beginning message instead of the event message. | |
2920 | */ | |
c9d45a6b FD |
2921 | if (G_UNLIKELY(msg_it->emit_delayed_packet_beginning_msg)) { |
2922 | *message = emit_delayed_packet_beg_msg(msg_it); | |
29b36c79 | 2923 | if (!*message) { |
5d452e1f | 2924 | status = CTF_MSG_ITER_STATUS_ERROR; |
29b36c79 FD |
2925 | } |
2926 | ||
2927 | /* | |
2928 | * Don't forget to emit the event message of | |
2929 | * the event record that was just decoded. | |
2930 | */ | |
c9d45a6b | 2931 | msg_it->state = STATE_EMIT_QUEUED_MSG_EVENT; |
29b36c79 FD |
2932 | |
2933 | } else { | |
c9d45a6b FD |
2934 | *message = msg_it->event_msg; |
2935 | msg_it->event_msg = NULL; | |
29b36c79 | 2936 | } |
989925d1 PP |
2937 | goto end; |
2938 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
2939 | /* create_msg_discared_events() logs errors */ | |
c9d45a6b | 2940 | *message = create_msg_discarded_events(msg_it); |
989925d1 PP |
2941 | |
2942 | if (!*message) { | |
5d452e1f | 2943 | status = CTF_MSG_ITER_STATUS_ERROR; |
989925d1 PP |
2944 | } |
2945 | ||
2946 | goto end; | |
2947 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
2948 | /* create_msg_discared_packets() logs errors */ | |
c9d45a6b | 2949 | *message = create_msg_discarded_packets(msg_it); |
989925d1 PP |
2950 | |
2951 | if (!*message) { | |
5d452e1f | 2952 | status = CTF_MSG_ITER_STATUS_ERROR; |
989925d1 PP |
2953 | } |
2954 | ||
bbbd35bf PP |
2955 | goto end; |
2956 | case STATE_EMIT_MSG_PACKET_BEGINNING: | |
c9d45a6b | 2957 | status = set_current_packet(msg_it); |
5d452e1f | 2958 | if (status != CTF_MSG_ITER_STATUS_OK) { |
29b36c79 FD |
2959 | goto end; |
2960 | } | |
7b33a0e0 | 2961 | |
c9d45a6b FD |
2962 | if (G_UNLIKELY(msg_it->meta.tc->quirks.barectf_event_before_packet)) { |
2963 | msg_it->emit_delayed_packet_beginning_msg = true; | |
29b36c79 FD |
2964 | /* |
2965 | * There is no message to return yet as this | |
2966 | * packet beginning message is delayed until we | |
2967 | * decode the first event message of the | |
2968 | * packet. | |
2969 | */ | |
2970 | break; | |
2971 | } else { | |
2972 | /* create_msg_packet_beginning() logs errors */ | |
c9d45a6b | 2973 | *message = create_msg_packet_beginning(msg_it, false); |
29b36c79 | 2974 | if (!*message) { |
5d452e1f | 2975 | status = CTF_MSG_ITER_STATUS_ERROR; |
29b36c79 | 2976 | } |
6ff151ad | 2977 | } |
7b33a0e0 | 2978 | |
6ff151ad | 2979 | goto end; |
bbbd35bf PP |
2980 | case STATE_EMIT_MSG_PACKET_END_SINGLE: |
2981 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
2982 | /* create_msg_packet_end() logs errors */ | |
c9d45a6b | 2983 | *message = create_msg_packet_end(msg_it); |
7b33a0e0 | 2984 | |
b09a5592 | 2985 | if (!*message) { |
5d452e1f | 2986 | status = CTF_MSG_ITER_STATUS_ERROR; |
e98a2d6e | 2987 | } |
a6918753 | 2988 | |
989925d1 | 2989 | goto end; |
bbbd35bf | 2990 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
2c782695 SM |
2991 | BT_ASSERT(!msg_it->stream); |
2992 | status = set_current_stream(msg_it); | |
2993 | if (status != CTF_MSG_ITER_STATUS_OK) { | |
2994 | goto end; | |
2995 | } | |
2996 | ||
989925d1 | 2997 | /* create_msg_stream_beginning() logs errors */ |
c9d45a6b | 2998 | *message = create_msg_stream_beginning(msg_it); |
bbbd35bf | 2999 | |
989925d1 | 3000 | if (!*message) { |
5d452e1f | 3001 | status = CTF_MSG_ITER_STATUS_ERROR; |
bbbd35bf PP |
3002 | } |
3003 | ||
989925d1 | 3004 | goto end; |
bbbd35bf | 3005 | case STATE_EMIT_MSG_STREAM_END: |
989925d1 | 3006 | /* create_msg_stream_end() logs errors */ |
c9d45a6b | 3007 | *message = create_msg_stream_end(msg_it); |
bbbd35bf | 3008 | |
989925d1 | 3009 | if (!*message) { |
5d452e1f | 3010 | status = CTF_MSG_ITER_STATUS_ERROR; |
bbbd35bf PP |
3011 | } |
3012 | ||
989925d1 | 3013 | goto end; |
bbbd35bf | 3014 | case STATE_DONE: |
5d452e1f | 3015 | status = CTF_MSG_ITER_STATUS_EOF; |
e98a2d6e PP |
3016 | goto end; |
3017 | default: | |
3018 | /* Non-emitting state: continue */ | |
3019 | break; | |
3020 | } | |
3021 | } | |
3022 | ||
3023 | end: | |
3024 | return status; | |
3025 | } | |
87187cbf | 3026 | |
e5e71bf8 | 3027 | static |
5d452e1f | 3028 | enum ctf_msg_iter_status decode_until_state( struct ctf_msg_iter *msg_it, |
5ce43109 | 3029 | enum state target_state_1, enum state target_state_2) |
87187cbf | 3030 | { |
5d452e1f | 3031 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
c9d45a6b | 3032 | bt_self_component *self_comp = msg_it->self_comp; |
87187cbf | 3033 | |
c9d45a6b | 3034 | BT_ASSERT_DBG(msg_it); |
87187cbf | 3035 | |
d67906d7 FD |
3036 | do { |
3037 | /* | |
3038 | * Check if we reached the state at which we want to stop | |
3039 | * decoding. | |
3040 | */ | |
c9d45a6b FD |
3041 | if (msg_it->state == target_state_1 || |
3042 | msg_it->state == target_state_2) { | |
d67906d7 FD |
3043 | goto end; |
3044 | } | |
87187cbf | 3045 | |
c9d45a6b | 3046 | status = handle_state(msg_it); |
5d452e1f SM |
3047 | if (G_UNLIKELY(status == CTF_MSG_ITER_STATUS_AGAIN)) { |
3048 | BT_COMP_LOGD_STR("Medium returned CTF_MSG_ITER_STATUS_AGAIN."); | |
87187cbf | 3049 | goto end; |
5d452e1f | 3050 | } else if (G_UNLIKELY(status != CTF_MSG_ITER_STATUS_OK)) { |
0f077192 | 3051 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
c9d45a6b FD |
3052 | "Cannot handle state: msg-it-addr=%p, state=%s", |
3053 | msg_it, state_string(msg_it->state)); | |
87187cbf PP |
3054 | goto end; |
3055 | } | |
3056 | ||
c9d45a6b | 3057 | switch (msg_it->state) { |
87187cbf | 3058 | case STATE_INIT: |
01ed875d | 3059 | case STATE_SWITCH_PACKET: |
87187cbf PP |
3060 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: |
3061 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3062 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3063 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3064 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3065 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
bbbd35bf | 3066 | case STATE_EMIT_MSG_STREAM_BEGINNING: |
989925d1 PP |
3067 | case STATE_CHECK_EMIT_MSG_DISCARDED_EVENTS: |
3068 | case STATE_EMIT_MSG_DISCARDED_EVENTS: | |
3069 | case STATE_CHECK_EMIT_MSG_DISCARDED_PACKETS: | |
3070 | case STATE_EMIT_MSG_DISCARDED_PACKETS: | |
d67906d7 FD |
3071 | case STATE_EMIT_MSG_PACKET_BEGINNING: |
3072 | case STATE_DSCOPE_EVENT_HEADER_BEGIN: | |
3073 | case STATE_DSCOPE_EVENT_HEADER_CONTINUE: | |
3074 | case STATE_AFTER_EVENT_HEADER: | |
3075 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_BEGIN: | |
3076 | case STATE_DSCOPE_EVENT_COMMON_CONTEXT_CONTINUE: | |
3077 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_BEGIN: | |
3078 | case STATE_DSCOPE_EVENT_SPEC_CONTEXT_CONTINUE: | |
3079 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
3080 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
3081 | case STATE_EMIT_MSG_EVENT: | |
29b36c79 | 3082 | case STATE_EMIT_QUEUED_MSG_EVENT: |
d67906d7 FD |
3083 | case STATE_SKIP_PACKET_PADDING: |
3084 | case STATE_EMIT_MSG_PACKET_END_MULTI: | |
3085 | case STATE_EMIT_MSG_PACKET_END_SINGLE: | |
29b36c79 | 3086 | case STATE_EMIT_QUEUED_MSG_PACKET_END: |
d67906d7 | 3087 | case STATE_EMIT_MSG_STREAM_END: |
87187cbf | 3088 | break; |
d67906d7 FD |
3089 | case STATE_DONE: |
3090 | /* fall-through */ | |
87187cbf | 3091 | default: |
d67906d7 | 3092 | /* We should never get to the STATE_DONE state. */ |
c9d45a6b FD |
3093 | BT_COMP_LOGF("Unexpected state: msg-it-addr=%p, state=%s", |
3094 | msg_it, state_string(msg_it->state)); | |
24847fc7 | 3095 | bt_common_abort(); |
87187cbf | 3096 | } |
d67906d7 | 3097 | } while (true); |
87187cbf | 3098 | |
e5e71bf8 | 3099 | end: |
d67906d7 FD |
3100 | return status; |
3101 | } | |
3102 | ||
3103 | static | |
5d452e1f SM |
3104 | enum ctf_msg_iter_status read_packet_header_context_fields( |
3105 | struct ctf_msg_iter *msg_it) | |
d67906d7 FD |
3106 | { |
3107 | int ret; | |
5d452e1f | 3108 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
d67906d7 | 3109 | |
c9d45a6b | 3110 | status = decode_until_state(msg_it, STATE_EMIT_MSG_PACKET_BEGINNING, -1); |
5d452e1f | 3111 | if (status != CTF_MSG_ITER_STATUS_OK) { |
d67906d7 FD |
3112 | goto end; |
3113 | } | |
3114 | ||
c9d45a6b | 3115 | ret = set_current_packet_content_sizes(msg_it); |
a6918753 | 3116 | if (ret) { |
5d452e1f | 3117 | status = CTF_MSG_ITER_STATUS_ERROR; |
d67906d7 | 3118 | goto end; |
a6918753 PP |
3119 | } |
3120 | ||
d67906d7 | 3121 | end: |
87187cbf PP |
3122 | return status; |
3123 | } | |
55fa6491 | 3124 | |
bb230c9b | 3125 | BT_HIDDEN |
5d452e1f | 3126 | enum ctf_msg_iter_status ctf_msg_iter_seek(struct ctf_msg_iter *msg_it, |
bbbd35bf | 3127 | off_t offset) |
bb230c9b | 3128 | { |
5d452e1f | 3129 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
5d452e1f | 3130 | enum ctf_msg_iter_medium_status medium_status; |
bb230c9b | 3131 | |
c9d45a6b | 3132 | BT_ASSERT(msg_it); |
ebe4c684 | 3133 | BT_ASSERT(offset >= 0); |
eaecdbb2 | 3134 | BT_ASSERT(msg_it->medium.medops.seek); |
bb230c9b | 3135 | |
9a4c10a7 | 3136 | medium_status = msg_it->medium.medops.seek(offset, msg_it->medium.data); |
5d452e1f SM |
3137 | if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) { |
3138 | if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) { | |
3139 | status = CTF_MSG_ITER_STATUS_EOF; | |
bb230c9b | 3140 | } else { |
5d452e1f | 3141 | status = CTF_MSG_ITER_STATUS_ERROR; |
bb230c9b JG |
3142 | goto end; |
3143 | } | |
3144 | } | |
3145 | ||
5d452e1f | 3146 | ctf_msg_iter_reset(msg_it); |
c9d45a6b | 3147 | msg_it->cur_packet_offset = offset; |
7b33a0e0 | 3148 | |
bb230c9b | 3149 | end: |
977d6cc0 | 3150 | return status; |
bb230c9b JG |
3151 | } |
3152 | ||
5ce43109 | 3153 | static |
5d452e1f SM |
3154 | enum ctf_msg_iter_status clock_snapshot_at_msg_iter_state( |
3155 | struct ctf_msg_iter *msg_it, enum state target_state_1, | |
5ce43109 FD |
3156 | enum state target_state_2, uint64_t *clock_snapshot) |
3157 | { | |
5d452e1f | 3158 | enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK; |
5ce43109 | 3159 | |
c9d45a6b | 3160 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 3161 | BT_ASSERT_DBG(clock_snapshot); |
c9d45a6b | 3162 | status = decode_until_state(msg_it, target_state_1, target_state_2); |
5d452e1f | 3163 | if (status != CTF_MSG_ITER_STATUS_OK) { |
5ce43109 FD |
3164 | goto end; |
3165 | } | |
3166 | ||
c9d45a6b | 3167 | *clock_snapshot = msg_it->default_clock_snapshot; |
5ce43109 FD |
3168 | end: |
3169 | return status; | |
3170 | } | |
3171 | ||
3172 | BT_HIDDEN | |
5d452e1f SM |
3173 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_first_event_clock_snapshot( |
3174 | struct ctf_msg_iter *msg_it, uint64_t *first_clock_snapshot) | |
5ce43109 | 3175 | { |
c9d45a6b | 3176 | return clock_snapshot_at_msg_iter_state(msg_it, |
5ce43109 FD |
3177 | STATE_AFTER_EVENT_HEADER, -1, first_clock_snapshot); |
3178 | } | |
3179 | ||
3180 | BT_HIDDEN | |
5d452e1f SM |
3181 | enum ctf_msg_iter_status ctf_msg_iter_curr_packet_last_event_clock_snapshot( |
3182 | struct ctf_msg_iter *msg_it, uint64_t *last_clock_snapshot) | |
5ce43109 | 3183 | { |
c9d45a6b | 3184 | return clock_snapshot_at_msg_iter_state(msg_it, |
5ce43109 FD |
3185 | STATE_EMIT_MSG_PACKET_END_SINGLE, |
3186 | STATE_EMIT_MSG_PACKET_END_MULTI, last_clock_snapshot); | |
3187 | } | |
3188 | ||
7b33a0e0 | 3189 | BT_HIDDEN |
5d452e1f SM |
3190 | enum ctf_msg_iter_status ctf_msg_iter_get_packet_properties( |
3191 | struct ctf_msg_iter *msg_it, | |
3192 | struct ctf_msg_iter_packet_properties *props) | |
7b33a0e0 | 3193 | { |
5d452e1f | 3194 | enum ctf_msg_iter_status status; |
e5e71bf8 | 3195 | |
c9d45a6b | 3196 | BT_ASSERT_DBG(msg_it); |
ec4a3354 | 3197 | BT_ASSERT_DBG(props); |
c9d45a6b | 3198 | status = read_packet_header_context_fields(msg_it); |
5d452e1f | 3199 | if (status != CTF_MSG_ITER_STATUS_OK) { |
e5e71bf8 PP |
3200 | goto end; |
3201 | } | |
7b33a0e0 | 3202 | |
c9d45a6b FD |
3203 | props->exp_packet_total_size = msg_it->cur_exp_packet_total_size; |
3204 | props->exp_packet_content_size = msg_it->cur_exp_packet_content_size; | |
3205 | props->stream_class_id = (uint64_t) msg_it->cur_stream_class_id; | |
3206 | props->data_stream_id = msg_it->cur_data_stream_id; | |
3207 | props->snapshots.discarded_events = msg_it->snapshots.discarded_events; | |
3208 | props->snapshots.packets = msg_it->snapshots.packets; | |
3209 | props->snapshots.beginning_clock = msg_it->snapshots.beginning_clock; | |
3210 | props->snapshots.end_clock = msg_it->snapshots.end_clock; | |
e5e71bf8 PP |
3211 | |
3212 | end: | |
3213 | return status; | |
bb230c9b | 3214 | } |
bbbd35bf | 3215 | |
8482a078 | 3216 | BT_HIDDEN |
5d452e1f | 3217 | void ctf_msg_iter_set_dry_run(struct ctf_msg_iter *msg_it, |
8482a078 FD |
3218 | bool val) |
3219 | { | |
c9d45a6b | 3220 | msg_it->dry_run = val; |
8482a078 | 3221 | } |