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e98a2d6e PP |
1 | /* |
2 | * Babeltrace - CTF notification iterator | |
06a626b8 | 3 | * |
e98a2d6e PP |
4 | * Copyright (c) 2015-2016 EfficiOS Inc. and Linux Foundation |
5 | * Copyright (c) 2015-2016 Philippe Proulx <pproulx@efficios.com> | |
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 | ||
fdf0e7a0 PP |
26 | #define BT_LOG_TAG "PLUGIN-CTF-NOTIF-ITER" |
27 | #include "logging.h" | |
28 | ||
e98a2d6e PP |
29 | #include <stdint.h> |
30 | #include <inttypes.h> | |
31 | #include <stdio.h> | |
32 | #include <stddef.h> | |
33 | #include <stdbool.h> | |
34 | #include <assert.h> | |
35 | #include <string.h> | |
36 | #include <babeltrace/ctf-ir/field-types.h> | |
fdf0e7a0 | 37 | #include <babeltrace/ctf-ir/field-types-internal.h> |
e98a2d6e | 38 | #include <babeltrace/ctf-ir/field-path.h> |
fdf0e7a0 | 39 | #include <babeltrace/ctf-ir/field-path-internal.h> |
e98a2d6e PP |
40 | #include <babeltrace/ctf-ir/fields.h> |
41 | #include <babeltrace/ctf-ir/stream-class.h> | |
42 | #include <babeltrace/ctf-ir/packet.h> | |
43 | #include <babeltrace/ctf-ir/stream.h> | |
ac0c6bdd | 44 | #include <babeltrace/ctf-ir/clock-class.h> |
e98a2d6e | 45 | #include <babeltrace/ctf-ir/event-class.h> |
b2e0c907 PP |
46 | #include <babeltrace/graph/notification-packet.h> |
47 | #include <babeltrace/graph/notification-event.h> | |
48 | #include <babeltrace/graph/notification-stream.h> | |
599faa1c | 49 | #include <babeltrace/graph/clock-class-priority-map.h> |
e98a2d6e PP |
50 | #include <babeltrace/ref.h> |
51 | #include <glib.h> | |
0fbb9a9f | 52 | #include <stdlib.h> |
e98a2d6e | 53 | |
06a626b8 JG |
54 | #include "notif-iter.h" |
55 | #include "../btr/btr.h" | |
e98a2d6e | 56 | |
e98a2d6e PP |
57 | struct bt_ctf_notif_iter; |
58 | ||
59 | /* A visit stack entry */ | |
60 | struct stack_entry { | |
61 | /* | |
62 | * Current base field, one of: | |
63 | * | |
64 | * * string | |
65 | * * structure | |
66 | * * array | |
67 | * * sequence | |
68 | * * variant | |
69 | * | |
70 | * Field is owned by this. | |
71 | */ | |
72 | struct bt_ctf_field *base; | |
73 | ||
74 | /* index of next field to set */ | |
75 | size_t index; | |
76 | }; | |
77 | ||
78 | /* Visit stack */ | |
79 | struct stack { | |
80 | /* Entries (struct stack_entry *) (top is last element) */ | |
81 | GPtrArray *entries; | |
e98a2d6e PP |
82 | }; |
83 | ||
84 | /* State */ | |
85 | enum state { | |
86 | STATE_INIT, | |
87 | STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN, | |
88 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, | |
89 | STATE_AFTER_TRACE_PACKET_HEADER, | |
90 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN, | |
91 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
92 | STATE_AFTER_STREAM_PACKET_CONTEXT, | |
93 | STATE_EMIT_NOTIF_NEW_PACKET, | |
94 | STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN, | |
95 | STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE, | |
96 | STATE_AFTER_STREAM_EVENT_HEADER, | |
97 | STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN, | |
98 | STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE, | |
99 | STATE_DSCOPE_EVENT_CONTEXT_BEGIN, | |
100 | STATE_DSCOPE_EVENT_CONTEXT_CONTINUE, | |
101 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, | |
102 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
103 | STATE_EMIT_NOTIF_EVENT, | |
104 | STATE_EMIT_NOTIF_END_OF_PACKET, | |
105 | STATE_SKIP_PACKET_PADDING, | |
106 | }; | |
107 | ||
5f870343 JG |
108 | struct trace_field_path_cache { |
109 | /* | |
110 | * Indexes of the stream_id and stream_instance_id field in the packet | |
111 | * header structure, -1 if unset. | |
112 | */ | |
113 | int stream_id; | |
114 | int stream_instance_id; | |
115 | }; | |
116 | ||
117 | struct stream_class_field_path_cache { | |
118 | /* | |
119 | * Indexes of the v and id fields in the stream event header structure, | |
120 | * -1 if unset. | |
121 | */ | |
122 | int v; | |
123 | int id; | |
124 | ||
125 | /* | |
126 | * index of the timestamp_end, packet_size and content_size fields in | |
127 | * the stream packet context structure. Set to -1 if the fields were | |
128 | * not found. | |
129 | */ | |
130 | int timestamp_end; | |
131 | int packet_size; | |
132 | int content_size; | |
133 | }; | |
134 | ||
135 | struct field_cb_override { | |
136 | enum bt_ctf_btr_status (* func)(void *value, | |
137 | struct bt_ctf_field_type *type, void *data); | |
138 | void *data; | |
139 | }; | |
140 | ||
e98a2d6e PP |
141 | /* CTF notification iterator */ |
142 | struct bt_ctf_notif_iter { | |
143 | /* Visit stack */ | |
144 | struct stack *stack; | |
145 | ||
e98a2d6e PP |
146 | /* |
147 | * Current dynamic scope field pointer. | |
148 | * | |
149 | * This is set when a dynamic scope field is first created by | |
150 | * btr_compound_begin_cb(). It points to one of the fields in | |
151 | * dscopes below. | |
152 | */ | |
153 | struct bt_ctf_field **cur_dscope_field; | |
154 | ||
155 | /* Trace and classes (owned by this) */ | |
156 | struct { | |
157 | struct bt_ctf_trace *trace; | |
158 | struct bt_ctf_stream_class *stream_class; | |
159 | struct bt_ctf_event_class *event_class; | |
160 | } meta; | |
161 | ||
162 | /* Current packet (NULL if not created yet) */ | |
163 | struct bt_ctf_packet *packet; | |
164 | ||
5f870343 JG |
165 | /* |
166 | * Current timestamp_end field (to consider before switching packets). | |
167 | */ | |
168 | struct bt_ctf_field *cur_timestamp_end; | |
169 | ||
e98a2d6e PP |
170 | /* Database of current dynamic scopes (owned by this) */ |
171 | struct { | |
172 | struct bt_ctf_field *trace_packet_header; | |
173 | struct bt_ctf_field *stream_packet_context; | |
174 | struct bt_ctf_field *stream_event_header; | |
175 | struct bt_ctf_field *stream_event_context; | |
176 | struct bt_ctf_field *event_context; | |
177 | struct bt_ctf_field *event_payload; | |
178 | } dscopes; | |
179 | ||
5f870343 JG |
180 | /* |
181 | * Special field overrides. | |
182 | * | |
183 | * Overrides are used to implement the behaviours of special fields such | |
184 | * as "timestamp_end" (which must be ignored until the end of the | |
185 | * packet), "id" (event id) which can be present multiple times and must | |
186 | * be updated multiple time. | |
187 | * | |
188 | * This should be used to implement the behaviour of integer fields | |
189 | * mapped to clocks and other "tagged" fields (in CTF 2). | |
190 | * | |
191 | * bt_ctf_field_type to struct field_cb_override | |
192 | */ | |
193 | GHashTable *field_overrides; | |
194 | ||
e98a2d6e PP |
195 | /* Current state */ |
196 | enum state state; | |
197 | ||
2cf1d51e | 198 | /* Current medium buffer data */ |
e98a2d6e PP |
199 | struct { |
200 | /* Last address provided by medium */ | |
201 | const uint8_t *addr; | |
202 | ||
203 | /* Buffer size provided by medium (bytes) */ | |
204 | size_t sz; | |
205 | ||
206 | /* Offset within whole packet of addr (bits) */ | |
207 | size_t packet_offset; | |
208 | ||
209 | /* Current position from addr (bits) */ | |
210 | size_t at; | |
211 | } buf; | |
212 | ||
213 | /* Binary type reader */ | |
214 | struct bt_ctf_btr *btr; | |
215 | ||
2cf1d51e | 216 | /* Current medium data */ |
e98a2d6e PP |
217 | struct { |
218 | struct bt_ctf_notif_iter_medium_ops medops; | |
219 | size_t max_request_sz; | |
220 | void *data; | |
221 | } medium; | |
222 | ||
223 | /* Current packet size (bits) (-1 if unknown) */ | |
e7a4393b | 224 | int64_t cur_packet_size; |
e98a2d6e PP |
225 | |
226 | /* Current content size (bits) (-1 if unknown) */ | |
e7a4393b | 227 | int64_t cur_content_size; |
c44c3e70 | 228 | |
ac0c6bdd | 229 | /* bt_ctf_clock_class to uint64_t. */ |
c44c3e70 | 230 | GHashTable *clock_states; |
5f870343 JG |
231 | |
232 | /* | |
233 | * Cache of the trace-constant field paths (event header type) | |
234 | * associated to the current trace. | |
235 | */ | |
236 | struct trace_field_path_cache trace_field_path_cache; | |
237 | ||
238 | /* | |
239 | * Field path cache associated with the current stream class. | |
240 | * Ownership of this structure belongs to the field_path_caches HT. | |
241 | */ | |
242 | struct stream_class_field_path_cache *cur_sc_field_path_cache; | |
243 | ||
244 | /* bt_ctf_stream_class to struct stream_class_field_path_cache. */ | |
245 | GHashTable *sc_field_path_caches; | |
e98a2d6e PP |
246 | }; |
247 | ||
fdf0e7a0 PP |
248 | static inline |
249 | const char *state_string(enum state state) | |
250 | { | |
251 | switch (state) { | |
252 | case STATE_INIT: | |
253 | return "STATE_INIT"; | |
254 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
255 | return "STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN"; | |
256 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
257 | return "STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE"; | |
258 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
259 | return "STATE_AFTER_TRACE_PACKET_HEADER"; | |
260 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
261 | return "STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN"; | |
262 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
263 | return "STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE"; | |
264 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
265 | return "STATE_AFTER_STREAM_PACKET_CONTEXT"; | |
266 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
267 | return "STATE_EMIT_NOTIF_NEW_PACKET"; | |
268 | case STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN: | |
269 | return "STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN"; | |
270 | case STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE: | |
271 | return "STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE"; | |
272 | case STATE_AFTER_STREAM_EVENT_HEADER: | |
273 | return "STATE_AFTER_STREAM_EVENT_HEADER"; | |
274 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN: | |
275 | return "STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN"; | |
276 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE: | |
277 | return "STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE"; | |
278 | case STATE_DSCOPE_EVENT_CONTEXT_BEGIN: | |
279 | return "STATE_DSCOPE_EVENT_CONTEXT_BEGIN"; | |
280 | case STATE_DSCOPE_EVENT_CONTEXT_CONTINUE: | |
281 | return "STATE_DSCOPE_EVENT_CONTEXT_CONTINUE"; | |
282 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
283 | return "STATE_DSCOPE_EVENT_PAYLOAD_BEGIN"; | |
284 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
285 | return "STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE"; | |
286 | case STATE_EMIT_NOTIF_EVENT: | |
287 | return "STATE_EMIT_NOTIF_EVENT"; | |
288 | case STATE_EMIT_NOTIF_END_OF_PACKET: | |
289 | return "STATE_EMIT_NOTIF_END_OF_PACKET"; | |
290 | case STATE_SKIP_PACKET_PADDING: | |
291 | return "STATE_SKIP_PACKET_PADDING"; | |
292 | default: | |
293 | return "(unknown)"; | |
294 | } | |
295 | } | |
296 | ||
2cf1d51e JG |
297 | static |
298 | int bt_ctf_notif_iter_switch_packet(struct bt_ctf_notif_iter *notit); | |
299 | ||
5f870343 JG |
300 | static |
301 | enum bt_ctf_btr_status btr_timestamp_end_cb(void *value, | |
302 | struct bt_ctf_field_type *type, void *data); | |
303 | ||
e98a2d6e PP |
304 | static |
305 | void stack_entry_free_func(gpointer data) | |
306 | { | |
307 | struct stack_entry *entry = data; | |
308 | ||
309 | bt_put(entry->base); | |
310 | g_free(entry); | |
311 | } | |
312 | ||
313 | static | |
314 | struct stack *stack_new(struct bt_ctf_notif_iter *notit) | |
315 | { | |
316 | struct stack *stack = NULL; | |
317 | ||
318 | stack = g_new0(struct stack, 1); | |
319 | if (!stack) { | |
fdf0e7a0 | 320 | BT_LOGE_STR("Failed to allocate one stack."); |
e98a2d6e PP |
321 | goto error; |
322 | } | |
323 | ||
324 | stack->entries = g_ptr_array_new_with_free_func(stack_entry_free_func); | |
325 | if (!stack->entries) { | |
fdf0e7a0 | 326 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
e98a2d6e PP |
327 | goto error; |
328 | } | |
329 | ||
fdf0e7a0 | 330 | BT_LOGD("Created stack: notit-addr=%p, stack-addr=%p", notit, stack); |
e98a2d6e | 331 | return stack; |
fdf0e7a0 | 332 | |
e98a2d6e PP |
333 | error: |
334 | g_free(stack); | |
e98a2d6e PP |
335 | return NULL; |
336 | } | |
337 | ||
338 | static | |
339 | void stack_destroy(struct stack *stack) | |
340 | { | |
341 | assert(stack); | |
fdf0e7a0 | 342 | BT_LOGD("Destroying stack: addr=%p", stack); |
e98a2d6e PP |
343 | g_ptr_array_free(stack->entries, TRUE); |
344 | g_free(stack); | |
345 | } | |
346 | ||
347 | static | |
348 | int stack_push(struct stack *stack, struct bt_ctf_field *base) | |
349 | { | |
350 | int ret = 0; | |
351 | struct stack_entry *entry; | |
e98a2d6e PP |
352 | |
353 | assert(stack); | |
354 | assert(base); | |
fdf0e7a0 PP |
355 | BT_LOGV("Pushing base field on stack: stack-addr=%p, " |
356 | "stack-size-before=%u, stack-size-after=%u", | |
357 | stack, stack->entries->len, stack->entries->len + 1); | |
e98a2d6e PP |
358 | entry = g_new0(struct stack_entry, 1); |
359 | if (!entry) { | |
fdf0e7a0 | 360 | BT_LOGE_STR("Failed to allocate one stack entry."); |
e98a2d6e PP |
361 | ret = -1; |
362 | goto end; | |
363 | } | |
364 | ||
365 | entry->base = bt_get(base); | |
366 | g_ptr_array_add(stack->entries, entry); | |
367 | ||
368 | end: | |
369 | return ret; | |
370 | } | |
371 | ||
372 | static inline | |
373 | unsigned int stack_size(struct stack *stack) | |
374 | { | |
375 | assert(stack); | |
376 | ||
377 | return stack->entries->len; | |
378 | } | |
379 | ||
380 | static | |
381 | void stack_pop(struct stack *stack) | |
382 | { | |
383 | assert(stack); | |
384 | assert(stack_size(stack)); | |
fdf0e7a0 PP |
385 | BT_LOGV("Popping from stack: " |
386 | "stack-addr=%p, stack-size-before=%u, stack-size-after=%u", | |
387 | stack, stack->entries->len, stack->entries->len - 1); | |
e98a2d6e PP |
388 | g_ptr_array_remove_index(stack->entries, stack->entries->len - 1); |
389 | } | |
390 | ||
391 | static inline | |
392 | struct stack_entry *stack_top(struct stack *stack) | |
393 | { | |
394 | assert(stack); | |
395 | assert(stack_size(stack)); | |
396 | ||
397 | return g_ptr_array_index(stack->entries, stack->entries->len - 1); | |
398 | } | |
399 | ||
400 | static inline | |
401 | bool stack_empty(struct stack *stack) | |
402 | { | |
403 | return stack_size(stack) == 0; | |
404 | } | |
405 | ||
406 | static | |
407 | void stack_clear(struct stack *stack) | |
408 | { | |
409 | assert(stack); | |
410 | ||
411 | if (!stack_empty(stack)) { | |
fdf0e7a0 PP |
412 | BT_LOGV("Clearing stack: stack-addr=%p, stack-size=%u", |
413 | stack, stack->entries->len); | |
e98a2d6e PP |
414 | g_ptr_array_remove_range(stack->entries, 0, stack_size(stack)); |
415 | } | |
416 | ||
417 | assert(stack_empty(stack)); | |
418 | } | |
419 | ||
420 | static inline | |
421 | enum bt_ctf_notif_iter_status notif_iter_status_from_m_status( | |
422 | enum bt_ctf_notif_iter_medium_status m_status) | |
423 | { | |
dc77b521 | 424 | return (int) m_status; |
e98a2d6e PP |
425 | } |
426 | ||
427 | static inline | |
428 | size_t buf_size_bits(struct bt_ctf_notif_iter *notit) | |
429 | { | |
fdf0e7a0 | 430 | return notit->buf.sz * 8; |
e98a2d6e PP |
431 | } |
432 | ||
433 | static inline | |
434 | size_t buf_available_bits(struct bt_ctf_notif_iter *notit) | |
435 | { | |
436 | return buf_size_bits(notit) - notit->buf.at; | |
437 | } | |
438 | ||
439 | static inline | |
440 | size_t packet_at(struct bt_ctf_notif_iter *notit) | |
441 | { | |
442 | return notit->buf.packet_offset + notit->buf.at; | |
443 | } | |
444 | ||
e98a2d6e PP |
445 | static inline |
446 | void buf_consume_bits(struct bt_ctf_notif_iter *notit, size_t incr) | |
447 | { | |
fdf0e7a0 PP |
448 | BT_LOGV("Advancing cursor: notit-addr=%p, cur-before=%zu, cur-after=%zu", |
449 | notit, notit->buf.at, notit->buf.at + incr); | |
e98a2d6e PP |
450 | notit->buf.at += incr; |
451 | } | |
452 | ||
e98a2d6e | 453 | static |
2cf1d51e JG |
454 | enum bt_ctf_notif_iter_status request_medium_bytes( |
455 | struct bt_ctf_notif_iter *notit) | |
e98a2d6e | 456 | { |
fdf0e7a0 PP |
457 | uint8_t *buffer_addr = NULL; |
458 | size_t buffer_sz = 0; | |
e98a2d6e PP |
459 | enum bt_ctf_notif_iter_medium_status m_status; |
460 | ||
fdf0e7a0 PP |
461 | BT_LOGV("Calling user function (request bytes): notit-addr=%p, " |
462 | "request-size=%zu", notit, notit->medium.max_request_sz); | |
e98a2d6e PP |
463 | m_status = notit->medium.medops.request_bytes( |
464 | notit->medium.max_request_sz, &buffer_addr, | |
465 | &buffer_sz, notit->medium.data); | |
fdf0e7a0 PP |
466 | BT_LOGV("User function returned: status=%s, buf-addr=%p, buf-size=%zu", |
467 | bt_ctf_notif_iter_medium_status_string(m_status), | |
468 | buffer_addr, buffer_sz); | |
e98a2d6e PP |
469 | if (m_status == BT_CTF_NOTIF_ITER_MEDIUM_STATUS_OK) { |
470 | assert(buffer_sz != 0); | |
471 | ||
472 | /* New packet offset is old one + old size (in bits) */ | |
473 | notit->buf.packet_offset += buf_size_bits(notit); | |
474 | ||
475 | /* Restart at the beginning of the new medium buffer */ | |
476 | notit->buf.at = 0; | |
477 | ||
478 | /* New medium buffer size */ | |
479 | notit->buf.sz = buffer_sz; | |
480 | ||
481 | /* New medium buffer address */ | |
482 | notit->buf.addr = buffer_addr; | |
fdf0e7a0 PP |
483 | |
484 | BT_LOGV("User function returned new bytes: " | |
485 | "packet-offset=%zu, cur=%zu, size=%zu, addr=%p", | |
486 | notit->buf.packet_offset, notit->buf.at, | |
487 | notit->buf.sz, notit->buf.addr); | |
488 | BT_LOGV_MEM(buffer_addr, buffer_sz, "Returned bytes at %p:", | |
489 | buffer_addr); | |
490 | } else if (m_status < 0) { | |
491 | BT_LOGW("User function failed: status=%s", | |
492 | bt_ctf_notif_iter_medium_status_string(m_status)); | |
e98a2d6e PP |
493 | } |
494 | ||
495 | return notif_iter_status_from_m_status(m_status); | |
496 | } | |
497 | ||
498 | static inline | |
499 | enum bt_ctf_notif_iter_status buf_ensure_available_bits( | |
500 | struct bt_ctf_notif_iter *notit) | |
501 | { | |
502 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
503 | ||
504 | if (buf_available_bits(notit) == 0) { | |
505 | /* | |
506 | * This _cannot_ return BT_CTF_NOTIF_ITER_STATUS_OK | |
507 | * _and_ no bits. | |
508 | */ | |
509 | status = request_medium_bytes(notit); | |
510 | } | |
511 | ||
512 | return status; | |
513 | } | |
514 | ||
515 | static | |
516 | enum bt_ctf_notif_iter_status read_dscope_begin_state( | |
517 | struct bt_ctf_notif_iter *notit, | |
518 | struct bt_ctf_field_type *dscope_field_type, | |
519 | enum state done_state, enum state continue_state, | |
520 | struct bt_ctf_field **dscope_field) | |
521 | { | |
522 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
523 | enum bt_ctf_btr_status btr_status; | |
524 | size_t consumed_bits; | |
525 | ||
526 | status = buf_ensure_available_bits(notit); | |
527 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
fdf0e7a0 PP |
528 | if (status < 0) { |
529 | BT_LOGW("Cannot ensure that buffer has at least one byte: " | |
530 | "notif-addr=%p, status=%s", | |
531 | notit, bt_ctf_notif_iter_status_string(status)); | |
532 | } else { | |
533 | BT_LOGV("Cannot ensure that buffer has at least one byte: " | |
534 | "notif-addr=%p, status=%s", | |
535 | notit, bt_ctf_notif_iter_status_string(status)); | |
536 | } | |
537 | ||
e98a2d6e PP |
538 | goto end; |
539 | } | |
540 | ||
541 | bt_put(*dscope_field); | |
542 | notit->cur_dscope_field = dscope_field; | |
fdf0e7a0 PP |
543 | BT_LOGV("Starting BTR: notit-addr=%p, btr-addr=%p, ft-addr=%p", |
544 | notit, notit->btr, dscope_field_type); | |
e98a2d6e PP |
545 | consumed_bits = bt_ctf_btr_start(notit->btr, dscope_field_type, |
546 | notit->buf.addr, notit->buf.at, packet_at(notit), | |
547 | notit->buf.sz, &btr_status); | |
fdf0e7a0 | 548 | BT_LOGV("BTR consumed bits: size=%zu", consumed_bits); |
e98a2d6e PP |
549 | |
550 | switch (btr_status) { | |
551 | case BT_CTF_BTR_STATUS_OK: | |
552 | /* type was read completely */ | |
fdf0e7a0 | 553 | BT_LOGV_STR("Field was completely decoded."); |
e98a2d6e PP |
554 | notit->state = done_state; |
555 | break; | |
556 | case BT_CTF_BTR_STATUS_EOF: | |
fdf0e7a0 | 557 | BT_LOGV_STR("BTR needs more data to decode field completely."); |
e98a2d6e PP |
558 | notit->state = continue_state; |
559 | break; | |
560 | default: | |
fdf0e7a0 PP |
561 | BT_LOGW("BTR failed to start: notit-addr=%p, btr-addr=%p, " |
562 | "status=%s", notit, notit->btr, | |
563 | bt_ctf_btr_status_string(btr_status)); | |
e98a2d6e PP |
564 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
565 | goto end; | |
566 | } | |
567 | ||
568 | /* Consume bits now since we know we're not in an error state */ | |
569 | buf_consume_bits(notit, consumed_bits); | |
570 | ||
571 | end: | |
572 | return status; | |
573 | } | |
574 | ||
575 | static | |
576 | enum bt_ctf_notif_iter_status read_dscope_continue_state( | |
577 | struct bt_ctf_notif_iter *notit, enum state done_state) | |
578 | { | |
579 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
580 | enum bt_ctf_btr_status btr_status; | |
581 | size_t consumed_bits; | |
582 | ||
583 | status = buf_ensure_available_bits(notit); | |
584 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
fdf0e7a0 PP |
585 | if (status < 0) { |
586 | BT_LOGW("Cannot ensure that buffer has at least one byte: " | |
587 | "notif-addr=%p, status=%s", | |
588 | notit, bt_ctf_notif_iter_status_string(status)); | |
589 | } else { | |
590 | BT_LOGV("Cannot ensure that buffer has at least one byte: " | |
591 | "notif-addr=%p, status=%s", | |
592 | notit, bt_ctf_notif_iter_status_string(status)); | |
593 | } | |
594 | ||
e98a2d6e PP |
595 | goto end; |
596 | } | |
597 | ||
fdf0e7a0 PP |
598 | BT_LOGV("Continuing BTR: notit-addr=%p, btr-addr=%p", |
599 | notit, notit->btr); | |
e98a2d6e | 600 | consumed_bits = bt_ctf_btr_continue(notit->btr, notit->buf.addr, |
fdf0e7a0 PP |
601 | notit->buf.sz, &btr_status); |
602 | BT_LOGV("BTR consumed bits: size=%zu", consumed_bits); | |
e98a2d6e PP |
603 | |
604 | switch (btr_status) { | |
605 | case BT_CTF_BTR_STATUS_OK: | |
78586d8a | 606 | /* Type was read completely. */ |
fdf0e7a0 | 607 | BT_LOGV_STR("Field was completely decoded."); |
e98a2d6e PP |
608 | notit->state = done_state; |
609 | break; | |
610 | case BT_CTF_BTR_STATUS_EOF: | |
78586d8a | 611 | /* Stay in this continue state. */ |
fdf0e7a0 | 612 | BT_LOGV_STR("BTR needs more data to decode field completely."); |
e98a2d6e PP |
613 | break; |
614 | default: | |
fdf0e7a0 PP |
615 | BT_LOGW("BTR failed to continue: notit-addr=%p, btr-addr=%p, " |
616 | "status=%s", notit, notit->btr, | |
617 | bt_ctf_btr_status_string(btr_status)); | |
e98a2d6e PP |
618 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
619 | goto end; | |
620 | } | |
621 | ||
78586d8a | 622 | /* Consume bits now since we know we're not in an error state. */ |
e98a2d6e | 623 | buf_consume_bits(notit, consumed_bits); |
e98a2d6e PP |
624 | end: |
625 | return status; | |
626 | } | |
627 | ||
628 | static | |
629 | void put_event_dscopes(struct bt_ctf_notif_iter *notit) | |
630 | { | |
fdf0e7a0 | 631 | BT_LOGV_STR("Putting event header field."); |
e98a2d6e | 632 | BT_PUT(notit->dscopes.stream_event_header); |
fdf0e7a0 | 633 | BT_LOGV_STR("Putting stream event context field."); |
e98a2d6e | 634 | BT_PUT(notit->dscopes.stream_event_context); |
fdf0e7a0 | 635 | BT_LOGV_STR("Putting event context field."); |
e98a2d6e | 636 | BT_PUT(notit->dscopes.event_context); |
fdf0e7a0 | 637 | BT_LOGV_STR("Putting event payload field."); |
e98a2d6e PP |
638 | BT_PUT(notit->dscopes.event_payload); |
639 | } | |
640 | ||
641 | static | |
642 | void put_all_dscopes(struct bt_ctf_notif_iter *notit) | |
643 | { | |
fdf0e7a0 | 644 | BT_LOGV_STR("Putting packet header field."); |
e98a2d6e | 645 | BT_PUT(notit->dscopes.trace_packet_header); |
fdf0e7a0 | 646 | BT_LOGV_STR("Putting packet context field."); |
e98a2d6e PP |
647 | BT_PUT(notit->dscopes.stream_packet_context); |
648 | put_event_dscopes(notit); | |
649 | } | |
650 | ||
651 | static | |
652 | enum bt_ctf_notif_iter_status read_packet_header_begin_state( | |
653 | struct bt_ctf_notif_iter *notit) | |
654 | { | |
2cf1d51e JG |
655 | struct bt_ctf_field_type *packet_header_type = NULL; |
656 | enum bt_ctf_notif_iter_status ret = BT_CTF_NOTIF_ITER_STATUS_OK; | |
e98a2d6e | 657 | |
2cf1d51e | 658 | if (bt_ctf_notif_iter_switch_packet(notit)) { |
fdf0e7a0 | 659 | BT_LOGW("Cannot switch packet: notit-addr=%p", notit); |
2cf1d51e JG |
660 | ret = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
661 | goto end; | |
662 | } | |
e98a2d6e | 663 | |
2cf1d51e | 664 | /* Packet header type is common to the whole trace. */ |
e98a2d6e | 665 | packet_header_type = bt_ctf_trace_get_packet_header_type( |
78586d8a | 666 | notit->meta.trace); |
e98a2d6e | 667 | if (!packet_header_type) { |
835b2d10 | 668 | notit->state = STATE_AFTER_TRACE_PACKET_HEADER; |
e98a2d6e PP |
669 | goto end; |
670 | } | |
671 | ||
fdf0e7a0 PP |
672 | BT_LOGV("Decoding packet header field:" |
673 | "notit-addr=%p, trace-addr=%p, trace-name=\"%s\", ft-addr=%p", | |
674 | notit, notit->meta.trace, | |
675 | bt_ctf_trace_get_name(notit->meta.trace), packet_header_type); | |
2cf1d51e | 676 | ret = read_dscope_begin_state(notit, packet_header_type, |
fdf0e7a0 PP |
677 | STATE_AFTER_TRACE_PACKET_HEADER, |
678 | STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE, | |
679 | ¬it->dscopes.trace_packet_header); | |
680 | if (ret < 0) { | |
681 | BT_LOGW("Cannot decode packet header field: " | |
682 | "notit-addr=%p, trace-addr=%p, " | |
683 | "trace-name=\"%s\", ft-addr=%p", | |
684 | notit, notit->meta.trace, | |
685 | bt_ctf_trace_get_name(notit->meta.trace), | |
686 | packet_header_type); | |
687 | } | |
e98a2d6e PP |
688 | end: |
689 | BT_PUT(packet_header_type); | |
2cf1d51e | 690 | return ret; |
e98a2d6e PP |
691 | } |
692 | ||
693 | static | |
694 | enum bt_ctf_notif_iter_status read_packet_header_continue_state( | |
695 | struct bt_ctf_notif_iter *notit) | |
696 | { | |
697 | return read_dscope_continue_state(notit, | |
78586d8a | 698 | STATE_AFTER_TRACE_PACKET_HEADER); |
e98a2d6e PP |
699 | } |
700 | ||
701 | static inline | |
702 | bool is_struct_type(struct bt_ctf_field_type *field_type) | |
703 | { | |
78586d8a | 704 | return bt_ctf_field_type_get_type_id(field_type) == |
1487a16a | 705 | BT_CTF_FIELD_TYPE_ID_STRUCT; |
e98a2d6e PP |
706 | } |
707 | ||
708 | static inline | |
709 | bool is_variant_type(struct bt_ctf_field_type *field_type) | |
710 | { | |
78586d8a | 711 | return bt_ctf_field_type_get_type_id(field_type) == |
1487a16a | 712 | BT_CTF_FIELD_TYPE_ID_VARIANT; |
e98a2d6e PP |
713 | } |
714 | ||
5f870343 JG |
715 | static |
716 | struct stream_class_field_path_cache * | |
717 | create_stream_class_field_path_cache_entry( | |
718 | struct bt_ctf_notif_iter *notit, | |
719 | struct bt_ctf_stream_class *stream_class) | |
720 | { | |
721 | int v = -1; | |
722 | int id = -1; | |
723 | int timestamp_end = -1; | |
724 | int packet_size = -1; | |
725 | int content_size = -1; | |
726 | struct stream_class_field_path_cache *cache_entry = g_new0( | |
727 | struct stream_class_field_path_cache, 1); | |
728 | struct bt_ctf_field_type *event_header = NULL, *packet_context = NULL; | |
729 | ||
730 | if (!cache_entry) { | |
fdf0e7a0 | 731 | BT_LOGE_STR("Failed to allocate one stream class field path cache."); |
5f870343 JG |
732 | goto end; |
733 | } | |
734 | ||
735 | event_header = bt_ctf_stream_class_get_event_header_type(stream_class); | |
736 | if (event_header && bt_ctf_field_type_is_structure(event_header)) { | |
737 | int i, count; | |
738 | ||
739 | count = bt_ctf_field_type_structure_get_field_count( | |
fdf0e7a0 PP |
740 | event_header); |
741 | assert(count >= 0); | |
742 | ||
5f870343 JG |
743 | for (i = 0; i < count; i++) { |
744 | int ret; | |
745 | const char *name; | |
746 | ||
747 | ret = bt_ctf_field_type_structure_get_field( | |
748 | event_header, &name, NULL, i); | |
749 | if (ret) { | |
fdf0e7a0 PP |
750 | BT_LOGE("Cannot get event header structure field type's field: " |
751 | "notit-addr=%p, stream-class-addr=%p, " | |
752 | "stream-class-name=\"%s\", " | |
753 | "stream-class-id=%" PRId64 ", " | |
754 | "ft-addr=%p, index=%d", | |
755 | notit, stream_class, | |
756 | bt_ctf_stream_class_get_name(stream_class), | |
757 | bt_ctf_stream_class_get_id(stream_class), | |
758 | event_header, i); | |
5f870343 JG |
759 | goto error; |
760 | } | |
761 | ||
762 | if (v != -1 && id != -1) { | |
763 | break; | |
764 | } | |
fdf0e7a0 PP |
765 | |
766 | if (v == -1 && strcmp(name, "v") == 0) { | |
5f870343 JG |
767 | v = i; |
768 | } else if (id == -1 && !strcmp(name, "id")) { | |
769 | id = i; | |
770 | } | |
771 | } | |
772 | } | |
773 | ||
774 | packet_context = bt_ctf_stream_class_get_packet_context_type( | |
775 | stream_class); | |
776 | if (packet_context && bt_ctf_field_type_is_structure(packet_context)) { | |
777 | int i, count; | |
778 | ||
779 | count = bt_ctf_field_type_structure_get_field_count( | |
fdf0e7a0 PP |
780 | packet_context); |
781 | assert(count >= 0); | |
782 | ||
5f870343 JG |
783 | for (i = 0; i < count; i++) { |
784 | int ret; | |
785 | const char *name; | |
786 | struct bt_ctf_field_type *field_type; | |
787 | ||
788 | if (timestamp_end != -1 && packet_size != -1 && | |
789 | content_size != -1) { | |
790 | break; | |
791 | } | |
792 | ||
793 | ret = bt_ctf_field_type_structure_get_field( | |
794 | packet_context, &name, &field_type, i); | |
795 | if (ret) { | |
fdf0e7a0 PP |
796 | BT_LOGE("Cannot get packet context structure field type's field: " |
797 | "notit-addr=%p, stream-class-addr=%p, " | |
798 | "stream-class-name=\"%s\", " | |
799 | "stream-class-id=%" PRId64 ", " | |
800 | "ft-addr=%p, index=%d", | |
801 | notit, stream_class, | |
802 | bt_ctf_stream_class_get_name(stream_class), | |
803 | bt_ctf_stream_class_get_id(stream_class), | |
804 | event_header, i); | |
5f870343 JG |
805 | goto error; |
806 | } | |
807 | ||
808 | if (timestamp_end == -1 && | |
fdf0e7a0 | 809 | strcmp(name, "timestamp_end") == 0) { |
5f870343 JG |
810 | struct field_cb_override *override = g_new0( |
811 | struct field_cb_override, 1); | |
812 | ||
813 | if (!override) { | |
814 | BT_PUT(field_type); | |
815 | goto error; | |
816 | } | |
817 | ||
818 | override->func = btr_timestamp_end_cb; | |
819 | override->data = notit; | |
5f870343 | 820 | g_hash_table_insert(notit->field_overrides, |
fdf0e7a0 | 821 | bt_get(field_type), override); |
5f870343 JG |
822 | timestamp_end = i; |
823 | } else if (packet_size == -1 && | |
824 | !strcmp(name, "packet_size")) { | |
825 | packet_size = i; | |
826 | } else if (content_size == -1 && | |
827 | !strcmp(name, "content_size")) { | |
828 | content_size = i; | |
829 | } | |
830 | BT_PUT(field_type); | |
831 | } | |
832 | } | |
833 | ||
834 | cache_entry->v = v; | |
835 | cache_entry->id = id; | |
836 | cache_entry->timestamp_end = timestamp_end; | |
837 | cache_entry->packet_size = packet_size; | |
838 | cache_entry->content_size = content_size; | |
839 | end: | |
840 | BT_PUT(event_header); | |
841 | BT_PUT(packet_context); | |
842 | return cache_entry; | |
843 | error: | |
844 | g_free(cache_entry); | |
845 | cache_entry = NULL; | |
846 | goto end; | |
847 | } | |
848 | ||
849 | static | |
850 | struct stream_class_field_path_cache *get_stream_class_field_path_cache( | |
851 | struct bt_ctf_notif_iter *notit, | |
852 | struct bt_ctf_stream_class *stream_class) | |
853 | { | |
854 | bool cache_entry_found; | |
855 | struct stream_class_field_path_cache *cache_entry; | |
856 | ||
857 | cache_entry_found = g_hash_table_lookup_extended( | |
858 | notit->sc_field_path_caches, | |
859 | stream_class, NULL, (gpointer) &cache_entry); | |
860 | if (unlikely(!cache_entry_found)) { | |
861 | cache_entry = create_stream_class_field_path_cache_entry(notit, | |
fdf0e7a0 | 862 | stream_class); |
5f870343 | 863 | g_hash_table_insert(notit->sc_field_path_caches, |
fdf0e7a0 | 864 | bt_get(stream_class), (gpointer) cache_entry); |
5f870343 JG |
865 | } |
866 | ||
867 | return cache_entry; | |
868 | } | |
869 | ||
e98a2d6e | 870 | static inline |
835b2d10 JG |
871 | enum bt_ctf_notif_iter_status set_current_stream_class( |
872 | struct bt_ctf_notif_iter *notit) | |
e98a2d6e PP |
873 | { |
874 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
5f870343 | 875 | struct bt_ctf_field_type *packet_header_type = NULL; |
e98a2d6e PP |
876 | struct bt_ctf_field_type *stream_id_field_type = NULL; |
877 | uint64_t stream_id; | |
878 | ||
5f870343 JG |
879 | /* Clear the current stream class field path cache. */ |
880 | notit->cur_sc_field_path_cache = NULL; | |
881 | ||
e98a2d6e PP |
882 | /* Is there any "stream_id" field in the packet header? */ |
883 | packet_header_type = bt_ctf_trace_get_packet_header_type( | |
fdf0e7a0 | 884 | notit->meta.trace); |
e98a2d6e | 885 | if (!packet_header_type) { |
fdf0e7a0 PP |
886 | /* |
887 | * No packet header, therefore no `stream_id` field, | |
888 | * therefore only one stream class. | |
889 | */ | |
890 | goto single_stream_class; | |
e98a2d6e PP |
891 | } |
892 | ||
893 | assert(is_struct_type(packet_header_type)); | |
894 | ||
895 | // TODO: optimalize! | |
896 | stream_id_field_type = | |
fdf0e7a0 PP |
897 | bt_ctf_field_type_structure_get_field_type_by_name( |
898 | packet_header_type, "stream_id"); | |
e98a2d6e PP |
899 | if (stream_id_field_type) { |
900 | /* Find appropriate stream class using current stream ID */ | |
e98a2d6e | 901 | int ret; |
5f870343 | 902 | struct bt_ctf_field *stream_id_field = NULL; |
e98a2d6e PP |
903 | |
904 | assert(notit->dscopes.trace_packet_header); | |
905 | ||
906 | // TODO: optimalize! | |
907 | stream_id_field = bt_ctf_field_structure_get_field( | |
78586d8a | 908 | notit->dscopes.trace_packet_header, "stream_id"); |
e98a2d6e PP |
909 | assert(stream_id_field); |
910 | ret = bt_ctf_field_unsigned_integer_get_value( | |
78586d8a | 911 | stream_id_field, &stream_id); |
e98a2d6e PP |
912 | assert(!ret); |
913 | BT_PUT(stream_id_field); | |
914 | } else { | |
fdf0e7a0 | 915 | single_stream_class: |
e98a2d6e PP |
916 | /* Only one stream: pick the first stream class */ |
917 | assert(bt_ctf_trace_get_stream_class_count( | |
78586d8a | 918 | notit->meta.trace) == 1); |
e98a2d6e PP |
919 | stream_id = 0; |
920 | } | |
921 | ||
fdf0e7a0 PP |
922 | BT_LOGV("Found stream class ID to use: notit-addr=%p, " |
923 | "stream-class-id=%" PRIu64 ", " | |
924 | "trace-addr=%p, trace-name=\"%s\"", | |
925 | notit, stream_id, notit->meta.trace, | |
926 | bt_ctf_trace_get_name(notit->meta.trace)); | |
927 | ||
e98a2d6e | 928 | BT_PUT(notit->meta.stream_class); |
5b29e799 | 929 | notit->meta.stream_class = bt_ctf_trace_get_stream_class_by_id( |
fdf0e7a0 | 930 | notit->meta.trace, stream_id); |
e98a2d6e | 931 | if (!notit->meta.stream_class) { |
fdf0e7a0 PP |
932 | BT_LOGW("No stream class with ID of stream class ID to use in trace: " |
933 | "notit-addr=%p, stream-class-id=%" PRIu64 ", " | |
934 | "trace-addr=%p, trace-name=\"%s\"", | |
935 | notit, stream_id, notit->meta.trace, | |
936 | bt_ctf_trace_get_name(notit->meta.trace)); | |
e98a2d6e PP |
937 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
938 | goto end; | |
939 | } | |
940 | ||
fdf0e7a0 PP |
941 | BT_LOGV("Set current stream class: " |
942 | "notit-addr=%p, stream-class-addr=%p, " | |
943 | "stream-class-name=\"%s\", stream-class-id=%" PRId64, | |
944 | notit, notit->meta.stream_class, | |
945 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
946 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
947 | ||
5f870343 JG |
948 | /* |
949 | * Retrieve (or lazily create) the current stream class field path | |
950 | * cache. | |
951 | */ | |
952 | notit->cur_sc_field_path_cache = get_stream_class_field_path_cache( | |
fdf0e7a0 | 953 | notit, notit->meta.stream_class); |
5f870343 | 954 | if (!notit->cur_sc_field_path_cache) { |
fdf0e7a0 PP |
955 | BT_LOGW("Cannot retrieve stream class field path from cache: " |
956 | "notit-addr=%p, stream-class-addr=%p, " | |
957 | "stream-class-name=\"%s\", stream-class-id=%" PRId64, | |
958 | notit, notit->meta.stream_class, | |
959 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
960 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
5f870343 JG |
961 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
962 | goto end; | |
963 | } | |
e98a2d6e PP |
964 | end: |
965 | BT_PUT(packet_header_type); | |
966 | BT_PUT(stream_id_field_type); | |
967 | ||
968 | return status; | |
969 | } | |
970 | ||
971 | static | |
972 | enum bt_ctf_notif_iter_status after_packet_header_state( | |
973 | struct bt_ctf_notif_iter *notit) | |
974 | { | |
975 | enum bt_ctf_notif_iter_status status; | |
976 | ||
977 | status = set_current_stream_class(notit); | |
978 | if (status == BT_CTF_NOTIF_ITER_STATUS_OK) { | |
979 | notit->state = STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN; | |
980 | } | |
981 | ||
982 | return status; | |
983 | } | |
984 | ||
985 | static | |
986 | enum bt_ctf_notif_iter_status read_packet_context_begin_state( | |
987 | struct bt_ctf_notif_iter *notit) | |
988 | { | |
989 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
990 | struct bt_ctf_field_type *packet_context_type; | |
991 | ||
992 | assert(notit->meta.stream_class); | |
993 | packet_context_type = bt_ctf_stream_class_get_packet_context_type( | |
fdf0e7a0 | 994 | notit->meta.stream_class); |
e98a2d6e | 995 | if (!packet_context_type) { |
fdf0e7a0 PP |
996 | BT_LOGV("No packet packet context field type in stream class: continuing: " |
997 | "notit-addr=%p, stream-class-addr=%p, " | |
998 | "stream-class-name=\"%s\", stream-class-id=%" PRId64, | |
999 | notit, notit->meta.stream_class, | |
1000 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1001 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
835b2d10 | 1002 | notit->state = STATE_AFTER_STREAM_PACKET_CONTEXT; |
e98a2d6e PP |
1003 | goto end; |
1004 | } | |
1005 | ||
fdf0e7a0 PP |
1006 | BT_LOGV("Decoding packet context field: " |
1007 | "notit-addr=%p, stream-class-addr=%p, " | |
1008 | "stream-class-name=\"%s\", stream-class-id=%" PRId64 ", " | |
1009 | "ft-addr=%p", | |
1010 | notit, notit->meta.stream_class, | |
1011 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1012 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1013 | packet_context_type); | |
e98a2d6e | 1014 | status = read_dscope_begin_state(notit, packet_context_type, |
fdf0e7a0 PP |
1015 | STATE_AFTER_STREAM_PACKET_CONTEXT, |
1016 | STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE, | |
1017 | ¬it->dscopes.stream_packet_context); | |
1018 | if (status < 0) { | |
1019 | BT_LOGW("Cannot decode packet context field: " | |
1020 | "notit-addr=%p, stream-class-addr=%p, " | |
1021 | "stream-class-name=\"%s\", " | |
1022 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
1023 | notit, notit->meta.stream_class, | |
1024 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1025 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1026 | packet_context_type); | |
1027 | } | |
e98a2d6e PP |
1028 | |
1029 | end: | |
1030 | BT_PUT(packet_context_type); | |
e98a2d6e PP |
1031 | return status; |
1032 | } | |
1033 | ||
1034 | static | |
1035 | enum bt_ctf_notif_iter_status read_packet_context_continue_state( | |
1036 | struct bt_ctf_notif_iter *notit) | |
1037 | { | |
1038 | return read_dscope_continue_state(notit, | |
78586d8a | 1039 | STATE_AFTER_STREAM_PACKET_CONTEXT); |
e98a2d6e PP |
1040 | } |
1041 | ||
78586d8a | 1042 | static |
e98a2d6e PP |
1043 | enum bt_ctf_notif_iter_status set_current_packet_content_sizes( |
1044 | struct bt_ctf_notif_iter *notit) | |
1045 | { | |
1046 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1047 | struct bt_ctf_field *packet_size_field = NULL; | |
1048 | struct bt_ctf_field *content_size_field = NULL; | |
1049 | uint64_t content_size = -1, packet_size = -1; | |
1050 | ||
89b08333 MD |
1051 | if (!notit->dscopes.stream_packet_context) { |
1052 | goto end; | |
1053 | } | |
e98a2d6e | 1054 | |
e98a2d6e | 1055 | packet_size_field = bt_ctf_field_structure_get_field( |
fdf0e7a0 | 1056 | notit->dscopes.stream_packet_context, "packet_size"); |
e98a2d6e | 1057 | content_size_field = bt_ctf_field_structure_get_field( |
fdf0e7a0 | 1058 | notit->dscopes.stream_packet_context, "content_size"); |
e98a2d6e PP |
1059 | if (packet_size_field) { |
1060 | int ret = bt_ctf_field_unsigned_integer_get_value( | |
fdf0e7a0 | 1061 | packet_size_field, &packet_size); |
e98a2d6e | 1062 | |
fdf0e7a0 | 1063 | assert(ret == 0); |
e98a2d6e | 1064 | if (packet_size == 0) { |
fdf0e7a0 PP |
1065 | BT_LOGW("Invalid packet size: packet context field indicates packet size is zero: " |
1066 | "notit-addr=%p, packet-context-field-addr=%p", | |
1067 | notit, notit->dscopes.stream_packet_context); | |
e98a2d6e PP |
1068 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1069 | goto end; | |
1070 | } else if ((packet_size % 8) != 0) { | |
fdf0e7a0 PP |
1071 | BT_LOGW("Invalid packet size: packet context field indicates packet size is not a multiple of 8: " |
1072 | "notit-addr=%p, packet-context-field-addr=%p, " | |
1073 | "packet-size=%" PRIu64, | |
1074 | notit, notit->dscopes.stream_packet_context, | |
1075 | packet_size); | |
e98a2d6e PP |
1076 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1077 | goto end; | |
1078 | } | |
1079 | } | |
78586d8a | 1080 | |
e98a2d6e PP |
1081 | if (content_size_field) { |
1082 | int ret = bt_ctf_field_unsigned_integer_get_value( | |
1083 | content_size_field, &content_size); | |
78586d8a | 1084 | |
fdf0e7a0 | 1085 | assert(ret == 0); |
e98a2d6e PP |
1086 | } else { |
1087 | content_size = packet_size; | |
1088 | } | |
1089 | ||
fdf0e7a0 PP |
1090 | if (content_size > packet_size) { |
1091 | BT_LOGW("Invalid packet or content size: packet context field indicates content size is greater than packet size: " | |
1092 | "notit-addr=%p, packet-context-field-addr=%p, " | |
1093 | "packet-size=%" PRIu64 ", content-size=%" PRIu64, | |
1094 | notit, notit->dscopes.stream_packet_context, | |
1095 | packet_size, content_size); | |
1096 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
1097 | goto end; | |
1098 | } | |
1099 | ||
e98a2d6e PP |
1100 | notit->cur_packet_size = packet_size; |
1101 | notit->cur_content_size = content_size; | |
fdf0e7a0 PP |
1102 | BT_LOGV("Set current packet and content sizes: " |
1103 | "notit-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, | |
1104 | notit, packet_size, content_size); | |
e98a2d6e PP |
1105 | end: |
1106 | BT_PUT(packet_size_field); | |
1107 | BT_PUT(content_size_field); | |
e98a2d6e PP |
1108 | return status; |
1109 | } | |
1110 | ||
1111 | static | |
1112 | enum bt_ctf_notif_iter_status after_packet_context_state( | |
1113 | struct bt_ctf_notif_iter *notit) | |
1114 | { | |
1115 | enum bt_ctf_notif_iter_status status; | |
1116 | ||
1117 | status = set_current_packet_content_sizes(notit); | |
1118 | if (status == BT_CTF_NOTIF_ITER_STATUS_OK) { | |
1119 | notit->state = STATE_EMIT_NOTIF_NEW_PACKET; | |
1120 | } | |
1121 | ||
1122 | return status; | |
1123 | } | |
1124 | ||
1125 | static | |
1126 | enum bt_ctf_notif_iter_status read_event_header_begin_state( | |
1127 | struct bt_ctf_notif_iter *notit) | |
1128 | { | |
1129 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1130 | struct bt_ctf_field_type *event_header_type = NULL; | |
1131 | ||
1132 | /* Check if we have some content left */ | |
1133 | if (notit->cur_content_size >= 0) { | |
1134 | if (packet_at(notit) == notit->cur_content_size) { | |
1135 | /* No more events! */ | |
fdf0e7a0 PP |
1136 | BT_LOGV("Reached end of packet: notit-addr=%p, " |
1137 | "cur=%zu", notit, packet_at(notit)); | |
e98a2d6e PP |
1138 | notit->state = STATE_EMIT_NOTIF_END_OF_PACKET; |
1139 | goto end; | |
1140 | } else if (packet_at(notit) > notit->cur_content_size) { | |
1141 | /* That's not supposed to happen */ | |
fdf0e7a0 PP |
1142 | BT_LOGV("Before decoding event header field: cursor is passed the packet's content: " |
1143 | "notit-addr=%p, content-size=%zu, " | |
1144 | "cur=%zu", notit, notit->cur_content_size, | |
1145 | packet_at(notit)); | |
e98a2d6e PP |
1146 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1147 | goto end; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | event_header_type = bt_ctf_stream_class_get_event_header_type( | |
1152 | notit->meta.stream_class); | |
1153 | if (!event_header_type) { | |
835b2d10 | 1154 | notit->state = STATE_AFTER_STREAM_EVENT_HEADER; |
e98a2d6e PP |
1155 | goto end; |
1156 | } | |
1157 | ||
1158 | put_event_dscopes(notit); | |
fdf0e7a0 PP |
1159 | BT_LOGV("Decoding event header field: " |
1160 | "notit-addr=%p, stream-class-addr=%p, " | |
1161 | "stream-class-name=\"%s\", stream-class-id=%" PRId64 ", " | |
1162 | "ft-addr=%p", | |
1163 | notit, notit->meta.stream_class, | |
1164 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1165 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1166 | event_header_type); | |
e98a2d6e PP |
1167 | status = read_dscope_begin_state(notit, event_header_type, |
1168 | STATE_AFTER_STREAM_EVENT_HEADER, | |
1169 | STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE, | |
1170 | ¬it->dscopes.stream_event_header); | |
fdf0e7a0 PP |
1171 | if (status < 0) { |
1172 | BT_LOGW("Cannot decode event header field: " | |
1173 | "notit-addr=%p, stream-class-addr=%p, " | |
1174 | "stream-class-name=\"%s\", " | |
1175 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
1176 | notit, notit->meta.stream_class, | |
1177 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1178 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1179 | event_header_type); | |
1180 | } | |
e98a2d6e PP |
1181 | end: |
1182 | BT_PUT(event_header_type); | |
1183 | ||
1184 | return status; | |
1185 | } | |
1186 | ||
1187 | static | |
1188 | enum bt_ctf_notif_iter_status read_event_header_continue_state( | |
1189 | struct bt_ctf_notif_iter *notit) | |
1190 | { | |
1191 | return read_dscope_continue_state(notit, | |
1192 | STATE_AFTER_STREAM_EVENT_HEADER); | |
1193 | } | |
1194 | ||
1195 | static inline | |
1196 | enum bt_ctf_notif_iter_status set_current_event_class(struct bt_ctf_notif_iter *notit) | |
1197 | { | |
1198 | /* | |
1199 | * The assert() calls in this function are okay because it is | |
1200 | * assumed here that all the metadata objects have been | |
1201 | * validated for CTF correctness before decoding actual streams. | |
1202 | */ | |
1203 | ||
1204 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1205 | struct bt_ctf_field_type *event_header_type; | |
1206 | struct bt_ctf_field_type *id_field_type = NULL; | |
1207 | struct bt_ctf_field_type *v_field_type = NULL; | |
1208 | uint64_t event_id = -1ULL; | |
1209 | int ret; | |
1210 | ||
1211 | event_header_type = bt_ctf_stream_class_get_event_header_type( | |
1212 | notit->meta.stream_class); | |
1213 | if (!event_header_type) { | |
fdf0e7a0 PP |
1214 | /* |
1215 | * No event header, therefore no event class ID field, | |
1216 | * therefore only one event class. | |
1217 | */ | |
1218 | goto single_event_class; | |
e98a2d6e PP |
1219 | } |
1220 | ||
1221 | /* Is there any "id"/"v" field in the event header? */ | |
1222 | assert(is_struct_type(event_header_type)); | |
1223 | id_field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
1224 | event_header_type, "id"); | |
1225 | v_field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
1226 | event_header_type, "v"); | |
1227 | assert(notit->dscopes.stream_event_header); | |
1228 | if (v_field_type) { | |
1229 | /* | |
1230 | * _ _____ _____ | |
1231 | * | | |_ _|_ _| __ __ _ | |
1232 | * | | | | | || '_ \ / _` | | |
1233 | * | |___| | | || | | | (_| | S P E C I A L | |
1234 | * |_____|_| |_||_| |_|\__, | C A S E ™ | |
1235 | * |___/ | |
1236 | */ | |
1237 | struct bt_ctf_field *v_field = NULL; | |
1238 | struct bt_ctf_field *v_struct_field = NULL; | |
1239 | struct bt_ctf_field *v_struct_id_field = NULL; | |
1240 | ||
1241 | // TODO: optimalize! | |
1242 | v_field = bt_ctf_field_structure_get_field( | |
1243 | notit->dscopes.stream_event_header, "v"); | |
1244 | assert(v_field); | |
1245 | ||
1246 | v_struct_field = | |
1247 | bt_ctf_field_variant_get_current_field(v_field); | |
1248 | if (!v_struct_field) { | |
1249 | goto end_v_field_type; | |
1250 | } | |
1251 | ||
1252 | // TODO: optimalize! | |
1253 | v_struct_id_field = | |
1254 | bt_ctf_field_structure_get_field(v_struct_field, "id"); | |
1255 | if (!v_struct_id_field) { | |
1256 | goto end_v_field_type; | |
1257 | } | |
1258 | ||
fdf0e7a0 PP |
1259 | if (bt_ctf_field_is_integer(v_struct_id_field)) { |
1260 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1261 | v_struct_id_field, &event_id); | |
1262 | if (ret) { | |
1263 | BT_LOGV("Cannot get value of unsigned integer field (`id`): continuing: " | |
1264 | "notit=%p, field-addr=%p", | |
1265 | notit, v_struct_id_field); | |
1266 | event_id = -1ULL; | |
1267 | } | |
e98a2d6e PP |
1268 | } |
1269 | ||
1270 | end_v_field_type: | |
1271 | BT_PUT(v_field); | |
1272 | BT_PUT(v_struct_field); | |
1273 | BT_PUT(v_struct_id_field); | |
1274 | } | |
1275 | ||
1276 | if (id_field_type && event_id == -1ULL) { | |
1277 | /* Check "id" field */ | |
1278 | struct bt_ctf_field *id_field = NULL; | |
fdf0e7a0 | 1279 | int ret = 0; |
e98a2d6e PP |
1280 | |
1281 | // TODO: optimalize! | |
1282 | id_field = bt_ctf_field_structure_get_field( | |
1283 | notit->dscopes.stream_event_header, "id"); | |
fdf0e7a0 PP |
1284 | if (!id_field) { |
1285 | goto check_event_id; | |
1286 | } | |
e98a2d6e PP |
1287 | |
1288 | if (bt_ctf_field_is_integer(id_field)) { | |
1289 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1290 | id_field, &event_id); | |
fdf0e7a0 | 1291 | } else if (bt_ctf_field_is_enumeration(id_field)) { |
e98a2d6e PP |
1292 | struct bt_ctf_field *container; |
1293 | ||
1294 | container = bt_ctf_field_enumeration_get_container( | |
1295 | id_field); | |
1296 | assert(container); | |
1297 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1298 | container, &event_id); | |
1299 | BT_PUT(container); | |
1300 | } | |
fdf0e7a0 PP |
1301 | |
1302 | assert(ret == 0); | |
e98a2d6e PP |
1303 | BT_PUT(id_field); |
1304 | } | |
1305 | ||
fdf0e7a0 | 1306 | check_event_id: |
e98a2d6e | 1307 | if (event_id == -1ULL) { |
fdf0e7a0 | 1308 | single_event_class: |
e98a2d6e PP |
1309 | /* Event ID not found: single event? */ |
1310 | assert(bt_ctf_stream_class_get_event_class_count( | |
1311 | notit->meta.stream_class) == 1); | |
1312 | event_id = 0; | |
1313 | } | |
1314 | ||
fdf0e7a0 PP |
1315 | BT_LOGV("Found event class ID to use: notit-addr=%p, " |
1316 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1317 | "stream-class-id=%" PRId64 ", " | |
1318 | "event-class-id=%" PRIu64, | |
1319 | notit, notit->meta.stream_class, | |
1320 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1321 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1322 | event_id); | |
e98a2d6e PP |
1323 | BT_PUT(notit->meta.event_class); |
1324 | notit->meta.event_class = bt_ctf_stream_class_get_event_class_by_id( | |
1325 | notit->meta.stream_class, event_id); | |
1326 | if (!notit->meta.event_class) { | |
fdf0e7a0 PP |
1327 | BT_LOGW("No event class with ID of event class ID to use in stream class: " |
1328 | "notit-addr=%p, stream-class-addr=%p, " | |
1329 | "stream-class-name=\"%s\", " | |
1330 | "stream-class-id=%" PRId64 ", " | |
1331 | "event-class-id=%" PRIu64, | |
1332 | notit, notit->meta.stream_class, | |
1333 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1334 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1335 | event_id); | |
e98a2d6e PP |
1336 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1337 | goto end; | |
1338 | } | |
1339 | ||
fdf0e7a0 PP |
1340 | BT_LOGV("Set current event class: " |
1341 | "notit-addr=%p, event-class-addr=%p, " | |
1342 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
1343 | notit, notit->meta.event_class, | |
1344 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1345 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
1346 | ||
e98a2d6e PP |
1347 | end: |
1348 | BT_PUT(event_header_type); | |
1349 | BT_PUT(id_field_type); | |
1350 | BT_PUT(v_field_type); | |
1351 | ||
1352 | return status; | |
1353 | } | |
1354 | ||
1355 | static | |
1356 | enum bt_ctf_notif_iter_status after_event_header_state( | |
1357 | struct bt_ctf_notif_iter *notit) | |
1358 | { | |
1359 | enum bt_ctf_notif_iter_status status; | |
1360 | ||
e98a2d6e PP |
1361 | status = set_current_event_class(notit); |
1362 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
e98a2d6e PP |
1363 | goto end; |
1364 | } | |
1365 | ||
1366 | notit->state = STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN; | |
1367 | ||
1368 | end: | |
1369 | return status; | |
1370 | } | |
1371 | ||
1372 | static | |
1373 | enum bt_ctf_notif_iter_status read_stream_event_context_begin_state( | |
1374 | struct bt_ctf_notif_iter *notit) | |
1375 | { | |
1376 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1377 | struct bt_ctf_field_type *stream_event_context_type; | |
1378 | ||
1379 | stream_event_context_type = bt_ctf_stream_class_get_event_context_type( | |
1380 | notit->meta.stream_class); | |
1381 | if (!stream_event_context_type) { | |
835b2d10 | 1382 | notit->state = STATE_DSCOPE_EVENT_CONTEXT_BEGIN; |
e98a2d6e PP |
1383 | goto end; |
1384 | } | |
1385 | ||
fdf0e7a0 PP |
1386 | BT_LOGV("Decoding stream event context field: " |
1387 | "notit-addr=%p, stream-class-addr=%p, " | |
1388 | "stream-class-name=\"%s\", stream-class-id=%" PRId64 ", " | |
1389 | "ft-addr=%p", | |
1390 | notit, notit->meta.stream_class, | |
1391 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1392 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1393 | stream_event_context_type); | |
e98a2d6e PP |
1394 | status = read_dscope_begin_state(notit, stream_event_context_type, |
1395 | STATE_DSCOPE_EVENT_CONTEXT_BEGIN, | |
1396 | STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE, | |
1397 | ¬it->dscopes.stream_event_context); | |
fdf0e7a0 PP |
1398 | if (status < 0) { |
1399 | BT_LOGW("Cannot decode stream event context field: " | |
1400 | "notit-addr=%p, stream-class-addr=%p, " | |
1401 | "stream-class-name=\"%s\", " | |
1402 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
1403 | notit, notit->meta.stream_class, | |
1404 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1405 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1406 | stream_event_context_type); | |
1407 | } | |
e98a2d6e PP |
1408 | |
1409 | end: | |
1410 | BT_PUT(stream_event_context_type); | |
1411 | ||
1412 | return status; | |
1413 | } | |
1414 | ||
1415 | static | |
1416 | enum bt_ctf_notif_iter_status read_stream_event_context_continue_state( | |
1417 | struct bt_ctf_notif_iter *notit) | |
1418 | { | |
1419 | return read_dscope_continue_state(notit, | |
1420 | STATE_DSCOPE_EVENT_CONTEXT_BEGIN); | |
1421 | } | |
1422 | ||
1423 | static | |
1424 | enum bt_ctf_notif_iter_status read_event_context_begin_state( | |
1425 | struct bt_ctf_notif_iter *notit) | |
1426 | { | |
1427 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1428 | struct bt_ctf_field_type *event_context_type; | |
1429 | ||
1430 | event_context_type = bt_ctf_event_class_get_context_type( | |
1431 | notit->meta.event_class); | |
1432 | if (!event_context_type) { | |
835b2d10 | 1433 | notit->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1434 | goto end; |
1435 | } | |
fdf0e7a0 PP |
1436 | |
1437 | BT_LOGV("Decoding event context field: " | |
1438 | "notit-addr=%p, event-class-addr=%p, " | |
1439 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
1440 | "ft-addr=%p", | |
1441 | notit, notit->meta.event_class, | |
1442 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1443 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1444 | event_context_type); | |
e98a2d6e PP |
1445 | status = read_dscope_begin_state(notit, event_context_type, |
1446 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, | |
1447 | STATE_DSCOPE_EVENT_CONTEXT_CONTINUE, | |
1448 | ¬it->dscopes.event_context); | |
fdf0e7a0 PP |
1449 | if (status < 0) { |
1450 | BT_LOGW("Cannot decode event context field: " | |
1451 | "notit-addr=%p, event-class-addr=%p, " | |
1452 | "event-class-name=\"%s\", " | |
1453 | "event-class-id=%" PRId64 ", ft-addr=%p", | |
1454 | notit, notit->meta.event_class, | |
1455 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1456 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1457 | event_context_type); | |
1458 | } | |
e98a2d6e PP |
1459 | |
1460 | end: | |
1461 | BT_PUT(event_context_type); | |
1462 | ||
1463 | return status; | |
1464 | } | |
1465 | ||
1466 | static | |
1467 | enum bt_ctf_notif_iter_status read_event_context_continue_state( | |
1468 | struct bt_ctf_notif_iter *notit) | |
1469 | { | |
1470 | return read_dscope_continue_state(notit, | |
1471 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); | |
1472 | } | |
1473 | ||
1474 | static | |
1475 | enum bt_ctf_notif_iter_status read_event_payload_begin_state( | |
1476 | struct bt_ctf_notif_iter *notit) | |
1477 | { | |
1478 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1479 | struct bt_ctf_field_type *event_payload_type; | |
1480 | ||
1481 | event_payload_type = bt_ctf_event_class_get_payload_type( | |
1482 | notit->meta.event_class); | |
1483 | if (!event_payload_type) { | |
835b2d10 | 1484 | notit->state = STATE_EMIT_NOTIF_EVENT; |
e98a2d6e PP |
1485 | goto end; |
1486 | } | |
1487 | ||
fdf0e7a0 PP |
1488 | BT_LOGV("Decoding event payload field: " |
1489 | "notit-addr=%p, event-class-addr=%p, " | |
1490 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
1491 | "ft-addr=%p", | |
1492 | notit, notit->meta.event_class, | |
1493 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1494 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1495 | event_payload_type); | |
e98a2d6e PP |
1496 | status = read_dscope_begin_state(notit, event_payload_type, |
1497 | STATE_EMIT_NOTIF_EVENT, | |
1498 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
1499 | ¬it->dscopes.event_payload); | |
fdf0e7a0 PP |
1500 | if (status < 0) { |
1501 | BT_LOGW("Cannot decode event payload field: " | |
1502 | "notit-addr=%p, event-class-addr=%p, " | |
1503 | "event-class-name=\"%s\", " | |
1504 | "event-class-id=%" PRId64 ", ft-addr=%p", | |
1505 | notit, notit->meta.event_class, | |
1506 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1507 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1508 | event_payload_type); | |
1509 | } | |
e98a2d6e PP |
1510 | |
1511 | end: | |
1512 | BT_PUT(event_payload_type); | |
1513 | ||
1514 | return status; | |
1515 | } | |
1516 | ||
1517 | static | |
1518 | enum bt_ctf_notif_iter_status read_event_payload_continue_state( | |
1519 | struct bt_ctf_notif_iter *notit) | |
1520 | { | |
1521 | return read_dscope_continue_state(notit, STATE_EMIT_NOTIF_EVENT); | |
1522 | } | |
1523 | ||
1524 | static | |
1525 | enum bt_ctf_notif_iter_status skip_packet_padding_state( | |
1526 | struct bt_ctf_notif_iter *notit) | |
1527 | { | |
1528 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1529 | size_t bits_to_skip; | |
1530 | ||
1531 | assert(notit->cur_packet_size > 0); | |
1532 | bits_to_skip = notit->cur_packet_size - packet_at(notit); | |
1533 | if (bits_to_skip == 0) { | |
1534 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1535 | goto end; | |
1536 | } else { | |
1537 | size_t bits_to_consume; | |
fdf0e7a0 PP |
1538 | |
1539 | BT_LOGV("Trying to skip %zu bits of padding: notit-addr=%p, size=%zu", | |
1540 | bits_to_skip, notit, bits_to_skip); | |
e98a2d6e PP |
1541 | status = buf_ensure_available_bits(notit); |
1542 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
1543 | goto end; | |
1544 | } | |
1545 | ||
1546 | bits_to_consume = MIN(buf_available_bits(notit), bits_to_skip); | |
fdf0e7a0 PP |
1547 | BT_LOGV("Skipping %zu bits of padding: notit-addr=%p, size=%zu", |
1548 | bits_to_consume, notit, bits_to_consume); | |
e98a2d6e PP |
1549 | buf_consume_bits(notit, bits_to_consume); |
1550 | bits_to_skip = notit->cur_packet_size - packet_at(notit); | |
1551 | if (bits_to_skip == 0) { | |
1552 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1553 | goto end; | |
1554 | } | |
1555 | } | |
1556 | ||
1557 | end: | |
1558 | return status; | |
1559 | } | |
1560 | ||
1561 | static inline | |
1562 | enum bt_ctf_notif_iter_status handle_state(struct bt_ctf_notif_iter *notit) | |
1563 | { | |
1564 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
fdf0e7a0 | 1565 | const enum state state = notit->state; |
e98a2d6e | 1566 | |
fdf0e7a0 PP |
1567 | BT_LOGV("Handling state: notit-addr=%p, state=%s", |
1568 | notit, state_string(state)); | |
e98a2d6e PP |
1569 | |
1570 | // TODO: optimalize! | |
fdf0e7a0 | 1571 | switch (state) { |
e98a2d6e PP |
1572 | case STATE_INIT: |
1573 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1574 | break; | |
1575 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
1576 | status = read_packet_header_begin_state(notit); | |
1577 | break; | |
1578 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
1579 | status = read_packet_header_continue_state(notit); | |
1580 | break; | |
1581 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
1582 | status = after_packet_header_state(notit); | |
1583 | break; | |
1584 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
1585 | status = read_packet_context_begin_state(notit); | |
1586 | break; | |
1587 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
1588 | status = read_packet_context_continue_state(notit); | |
1589 | break; | |
1590 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
1591 | status = after_packet_context_state(notit); | |
1592 | break; | |
1593 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
1594 | notit->state = STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN; | |
1595 | break; | |
1596 | case STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN: | |
1597 | status = read_event_header_begin_state(notit); | |
1598 | break; | |
1599 | case STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE: | |
1600 | status = read_event_header_continue_state(notit); | |
1601 | break; | |
1602 | case STATE_AFTER_STREAM_EVENT_HEADER: | |
1603 | status = after_event_header_state(notit); | |
1604 | break; | |
1605 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN: | |
1606 | status = read_stream_event_context_begin_state(notit); | |
1607 | break; | |
1608 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE: | |
1609 | status = read_stream_event_context_continue_state(notit); | |
1610 | break; | |
1611 | case STATE_DSCOPE_EVENT_CONTEXT_BEGIN: | |
1612 | status = read_event_context_begin_state(notit); | |
1613 | break; | |
1614 | case STATE_DSCOPE_EVENT_CONTEXT_CONTINUE: | |
1615 | status = read_event_context_continue_state(notit); | |
1616 | break; | |
1617 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
1618 | status = read_event_payload_begin_state(notit); | |
1619 | break; | |
1620 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
1621 | status = read_event_payload_continue_state(notit); | |
1622 | break; | |
1623 | case STATE_EMIT_NOTIF_EVENT: | |
1624 | notit->state = STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN; | |
1625 | break; | |
1626 | case STATE_SKIP_PACKET_PADDING: | |
1627 | status = skip_packet_padding_state(notit); | |
1628 | break; | |
1629 | case STATE_EMIT_NOTIF_END_OF_PACKET: | |
1630 | notit->state = STATE_SKIP_PACKET_PADDING; | |
1631 | break; | |
fdf0e7a0 PP |
1632 | default: |
1633 | BT_LOGD("Unknown CTF plugin notification iterator state: " | |
1634 | "notit-addr=%p, state=%d", notit, notit->state); | |
1635 | abort(); | |
e98a2d6e PP |
1636 | } |
1637 | ||
fdf0e7a0 PP |
1638 | BT_LOGV("Handled state: notit-addr=%p, status=%s, " |
1639 | "prev-state=%s, cur-state=%s", | |
1640 | notit, bt_ctf_notif_iter_status_string(status), | |
1641 | state_string(state), state_string(notit->state)); | |
e98a2d6e PP |
1642 | return status; |
1643 | } | |
1644 | ||
2cf1d51e JG |
1645 | /** |
1646 | * Resets the internal state of a CTF notification iterator. | |
2cf1d51e JG |
1647 | */ |
1648 | static | |
e98a2d6e PP |
1649 | void bt_ctf_notif_iter_reset(struct bt_ctf_notif_iter *notit) |
1650 | { | |
1651 | assert(notit); | |
fdf0e7a0 | 1652 | BT_LOGD("Resetting notification iterator: addr=%p", notit); |
e98a2d6e PP |
1653 | stack_clear(notit->stack); |
1654 | BT_PUT(notit->meta.stream_class); | |
1655 | BT_PUT(notit->meta.event_class); | |
1656 | BT_PUT(notit->packet); | |
1657 | put_all_dscopes(notit); | |
1658 | notit->buf.addr = NULL; | |
1659 | notit->buf.sz = 0; | |
1660 | notit->buf.at = 0; | |
1661 | notit->buf.packet_offset = 0; | |
1662 | notit->state = STATE_INIT; | |
1663 | notit->cur_content_size = -1; | |
1664 | notit->cur_packet_size = -1; | |
1665 | } | |
1666 | ||
2cf1d51e JG |
1667 | static |
1668 | int bt_ctf_notif_iter_switch_packet(struct bt_ctf_notif_iter *notit) | |
1669 | { | |
1670 | int ret = 0; | |
1671 | ||
1672 | assert(notit); | |
fdf0e7a0 PP |
1673 | BT_LOGV("Switching packet: notit-addr=%p, cur=%zu", |
1674 | notit, notit->buf.at); | |
2cf1d51e JG |
1675 | stack_clear(notit->stack); |
1676 | BT_PUT(notit->meta.stream_class); | |
1677 | BT_PUT(notit->meta.event_class); | |
1678 | BT_PUT(notit->packet); | |
5f870343 | 1679 | BT_PUT(notit->cur_timestamp_end); |
2cf1d51e JG |
1680 | put_all_dscopes(notit); |
1681 | ||
1682 | /* | |
1683 | * Adjust current buffer so that addr points to the beginning of the new | |
1684 | * packet. | |
1685 | */ | |
1686 | if (notit->buf.addr) { | |
1687 | size_t consumed_bytes = (size_t) (notit->buf.at / CHAR_BIT); | |
1688 | ||
1689 | /* Packets are assumed to start on a byte frontier. */ | |
1690 | if (notit->buf.at % CHAR_BIT) { | |
fdf0e7a0 PP |
1691 | BT_LOGW("Cannot switch packet: current position is not a multiple of 8: " |
1692 | "notit-addr=%p, cur=%zu", notit, notit->buf.at); | |
2cf1d51e JG |
1693 | ret = -1; |
1694 | goto end; | |
1695 | } | |
1696 | ||
1697 | notit->buf.addr += consumed_bytes; | |
1698 | notit->buf.sz -= consumed_bytes; | |
1699 | notit->buf.at = 0; | |
1700 | notit->buf.packet_offset = 0; | |
fdf0e7a0 PP |
1701 | BT_LOGV("Adjusted buffer: addr=%p, size=%zu", |
1702 | notit->buf.addr, notit->buf.sz); | |
2cf1d51e JG |
1703 | } |
1704 | ||
1705 | notit->cur_content_size = -1; | |
1706 | notit->cur_packet_size = -1; | |
5f870343 | 1707 | notit->cur_sc_field_path_cache = NULL; |
fdf0e7a0 | 1708 | |
2cf1d51e JG |
1709 | end: |
1710 | return ret; | |
1711 | } | |
1712 | ||
e98a2d6e PP |
1713 | static |
1714 | struct bt_ctf_field *get_next_field(struct bt_ctf_notif_iter *notit) | |
1715 | { | |
1716 | struct bt_ctf_field *next_field = NULL; | |
1717 | struct bt_ctf_field *base_field; | |
1718 | struct bt_ctf_field_type *base_type; | |
1719 | size_t index; | |
1720 | ||
1721 | assert(!stack_empty(notit->stack)); | |
1722 | index = stack_top(notit->stack)->index; | |
1723 | base_field = stack_top(notit->stack)->base; | |
fdf0e7a0 | 1724 | assert(base_field); |
e98a2d6e | 1725 | base_type = bt_ctf_field_get_type(base_field); |
fdf0e7a0 | 1726 | assert(base_type); |
e98a2d6e PP |
1727 | |
1728 | switch (bt_ctf_field_type_get_type_id(base_type)) { | |
1487a16a | 1729 | case BT_CTF_FIELD_TYPE_ID_STRUCT: |
e98a2d6e PP |
1730 | next_field = bt_ctf_field_structure_get_field_by_index( |
1731 | base_field, index); | |
1732 | break; | |
1487a16a | 1733 | case BT_CTF_FIELD_TYPE_ID_ARRAY: |
e98a2d6e PP |
1734 | next_field = bt_ctf_field_array_get_field(base_field, index); |
1735 | break; | |
1487a16a | 1736 | case BT_CTF_FIELD_TYPE_ID_SEQUENCE: |
e98a2d6e PP |
1737 | next_field = bt_ctf_field_sequence_get_field(base_field, index); |
1738 | break; | |
1487a16a | 1739 | case BT_CTF_FIELD_TYPE_ID_VARIANT: |
e98a2d6e PP |
1740 | next_field = bt_ctf_field_variant_get_current_field(base_field); |
1741 | break; | |
1742 | default: | |
fdf0e7a0 PP |
1743 | BT_LOGF("Unknown base field type ID: " |
1744 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
1745 | notit, base_type, | |
1746 | bt_ctf_field_type_id_string( | |
1747 | bt_ctf_field_type_get_type_id(base_type))); | |
0fbb9a9f | 1748 | abort(); |
e98a2d6e PP |
1749 | } |
1750 | ||
e98a2d6e | 1751 | BT_PUT(base_type); |
e98a2d6e PP |
1752 | return next_field; |
1753 | } | |
1754 | ||
c44c3e70 JG |
1755 | static |
1756 | void update_clock_state(uint64_t *state, | |
1757 | struct bt_ctf_field *value_field) | |
1758 | { | |
1759 | struct bt_ctf_field_type *value_type = NULL; | |
1760 | uint64_t requested_new_value; | |
1761 | uint64_t requested_new_value_mask; | |
1762 | uint64_t cur_value_masked; | |
1763 | int requested_new_value_size; | |
1764 | int ret; | |
1765 | ||
1766 | value_type = bt_ctf_field_get_type(value_field); | |
1767 | assert(value_type); | |
fdf0e7a0 | 1768 | assert(bt_ctf_field_type_is_integer(value_type)); |
c44c3e70 JG |
1769 | requested_new_value_size = |
1770 | bt_ctf_field_type_integer_get_size(value_type); | |
1771 | assert(requested_new_value_size > 0); | |
c44c3e70 JG |
1772 | ret = bt_ctf_field_unsigned_integer_get_value(value_field, |
1773 | &requested_new_value); | |
1774 | assert(!ret); | |
1775 | ||
1776 | /* | |
1777 | * Special case for a 64-bit new value, which is the limit | |
1778 | * of a clock value as of this version: overwrite the | |
1779 | * current value directly. | |
1780 | */ | |
1781 | if (requested_new_value_size == 64) { | |
1782 | *state = requested_new_value; | |
1783 | goto end; | |
1784 | } | |
1785 | ||
1786 | requested_new_value_mask = (1ULL << requested_new_value_size) - 1; | |
1787 | cur_value_masked = *state & requested_new_value_mask; | |
1788 | ||
1789 | if (requested_new_value < cur_value_masked) { | |
1790 | /* | |
1791 | * It looks like a wrap happened on the number of bits | |
1792 | * of the requested new value. Assume that the clock | |
1793 | * value wrapped only one time. | |
1794 | */ | |
1795 | *state += requested_new_value_mask + 1; | |
1796 | } | |
1797 | ||
1798 | /* Clear the low bits of the current clock value. */ | |
1799 | *state &= ~requested_new_value_mask; | |
1800 | ||
1801 | /* Set the low bits of the current clock value. */ | |
1802 | *state |= requested_new_value; | |
1803 | end: | |
fdf0e7a0 PP |
1804 | BT_LOGV("Updated clock's value from integer field's value: " |
1805 | "value=%" PRIu64, *state); | |
c44c3e70 JG |
1806 | bt_put(value_type); |
1807 | } | |
1808 | ||
1809 | static | |
1810 | enum bt_ctf_btr_status update_clock(struct bt_ctf_notif_iter *notit, | |
c44c3e70 JG |
1811 | struct bt_ctf_field *int_field) |
1812 | { | |
ac0c6bdd | 1813 | gboolean clock_class_found; |
c44c3e70 | 1814 | uint64_t *clock_state; |
f45bfe88 | 1815 | struct bt_ctf_field_type *int_field_type = NULL; |
c44c3e70 | 1816 | enum bt_ctf_btr_status ret = BT_CTF_BTR_STATUS_OK; |
f45bfe88 | 1817 | struct bt_ctf_clock_class *clock_class = NULL; |
c44c3e70 | 1818 | |
f45bfe88 | 1819 | int_field_type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 1820 | assert(int_field_type); |
f45bfe88 PP |
1821 | clock_class = bt_ctf_field_type_integer_get_mapped_clock_class( |
1822 | int_field_type); | |
ac0c6bdd | 1823 | if (likely(!clock_class)) { |
f45bfe88 | 1824 | goto end; |
c44c3e70 JG |
1825 | } |
1826 | ||
ac0c6bdd | 1827 | clock_class_found = g_hash_table_lookup_extended(notit->clock_states, |
fdf0e7a0 | 1828 | clock_class, NULL, (gpointer) &clock_state); |
ac0c6bdd | 1829 | if (unlikely(!clock_class_found)) { |
c44c3e70 JG |
1830 | ret = BT_CTF_BTR_STATUS_ERROR; |
1831 | goto end; | |
1832 | } | |
1833 | ||
1834 | if (unlikely(!clock_state)) { | |
1835 | clock_state = g_new0(uint64_t, 1); | |
1836 | if (!clock_state) { | |
fdf0e7a0 | 1837 | BT_LOGE_STR("Failed to allocate a uint64_t."); |
c44c3e70 JG |
1838 | ret = BT_CTF_BTR_STATUS_ENOMEM; |
1839 | goto end; | |
1840 | } | |
fdf0e7a0 | 1841 | |
ac0c6bdd | 1842 | g_hash_table_insert(notit->clock_states, bt_get(clock_class), |
fdf0e7a0 | 1843 | clock_state); |
c44c3e70 JG |
1844 | } |
1845 | ||
1846 | /* Update the clock's state. */ | |
fdf0e7a0 PP |
1847 | BT_LOGV("Updating notification iterator's clock's value from integer field: " |
1848 | "notit-addr=%p, clock-class-addr=%p, " | |
1849 | "clock-class-name=\"%s\", value=%" PRIu64, | |
1850 | notit, clock_class, | |
1851 | bt_ctf_clock_class_get_name(clock_class), *clock_state); | |
c44c3e70 JG |
1852 | update_clock_state(clock_state, int_field); |
1853 | end: | |
f45bfe88 | 1854 | bt_put(int_field_type); |
ac0c6bdd | 1855 | bt_put(clock_class); |
c44c3e70 JG |
1856 | return ret; |
1857 | } | |
1858 | ||
e98a2d6e | 1859 | static |
5f870343 JG |
1860 | enum bt_ctf_btr_status btr_unsigned_int_common(uint64_t value, |
1861 | struct bt_ctf_field_type *type, void *data, | |
f45bfe88 | 1862 | struct bt_ctf_field **out_int_field) |
e98a2d6e PP |
1863 | { |
1864 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1865 | struct bt_ctf_field *field = NULL; | |
1866 | struct bt_ctf_field *int_field = NULL; | |
1867 | struct bt_ctf_notif_iter *notit = data; | |
1868 | int ret; | |
1869 | ||
fdf0e7a0 PP |
1870 | BT_LOGV("Common unsigned integer function called from BTR: " |
1871 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1872 | "ft-id=%s, value=%" PRIu64, | |
1873 | notit, notit->btr, type, | |
1874 | bt_ctf_field_type_id_string( | |
1875 | bt_ctf_field_type_get_type_id(type)), | |
1876 | value); | |
1877 | ||
5f870343 | 1878 | /* Create next field */ |
e98a2d6e PP |
1879 | field = get_next_field(notit); |
1880 | if (!field) { | |
fdf0e7a0 | 1881 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e | 1882 | status = BT_CTF_BTR_STATUS_ERROR; |
c44c3e70 | 1883 | goto end_no_put; |
e98a2d6e PP |
1884 | } |
1885 | ||
1886 | switch(bt_ctf_field_type_get_type_id(type)) { | |
1487a16a | 1887 | case BT_CTF_FIELD_TYPE_ID_INTEGER: |
e98a2d6e PP |
1888 | /* Integer field is created field */ |
1889 | BT_MOVE(int_field, field); | |
c44c3e70 | 1890 | bt_get(type); |
e98a2d6e | 1891 | break; |
1487a16a | 1892 | case BT_CTF_FIELD_TYPE_ID_ENUM: |
e98a2d6e | 1893 | int_field = bt_ctf_field_enumeration_get_container(field); |
fdf0e7a0 | 1894 | assert(int_field); |
c44c3e70 | 1895 | type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 1896 | assert(type); |
e98a2d6e PP |
1897 | break; |
1898 | default: | |
fdf0e7a0 PP |
1899 | BT_LOGF("Unexpected field type ID: " |
1900 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
1901 | notit, type, | |
1902 | bt_ctf_field_type_id_string( | |
1903 | bt_ctf_field_type_get_type_id(type))); | |
0fbb9a9f | 1904 | abort(); |
e98a2d6e PP |
1905 | } |
1906 | ||
fdf0e7a0 | 1907 | assert(int_field); |
5f870343 | 1908 | ret = bt_ctf_field_unsigned_integer_set_value(int_field, value); |
fdf0e7a0 | 1909 | assert(ret == 0); |
e98a2d6e | 1910 | stack_top(notit->stack)->index++; |
f45bfe88 | 1911 | *out_int_field = int_field; |
e98a2d6e | 1912 | BT_PUT(field); |
c44c3e70 | 1913 | BT_PUT(type); |
fdf0e7a0 | 1914 | |
c44c3e70 | 1915 | end_no_put: |
e98a2d6e PP |
1916 | return status; |
1917 | } | |
1918 | ||
5f870343 JG |
1919 | static |
1920 | enum bt_ctf_btr_status btr_timestamp_end_cb(void *value, | |
1921 | struct bt_ctf_field_type *type, void *data) | |
1922 | { | |
1923 | enum bt_ctf_btr_status status; | |
1924 | struct bt_ctf_field *field = NULL; | |
1925 | struct bt_ctf_notif_iter *notit = data; | |
1926 | ||
fdf0e7a0 PP |
1927 | BT_LOGV("`timestamp_end` unsigned integer function called from BTR: " |
1928 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1929 | "ft-id=%s", | |
1930 | notit, notit->btr, type, | |
1931 | bt_ctf_field_type_id_string( | |
1932 | bt_ctf_field_type_get_type_id(type))); | |
5f870343 JG |
1933 | status = btr_unsigned_int_common(*((uint64_t *) value), type, data, |
1934 | &field); | |
1935 | ||
1936 | /* Set as the current packet's timestamp_end field. */ | |
1937 | BT_MOVE(notit->cur_timestamp_end, field); | |
1938 | return status; | |
1939 | } | |
1940 | ||
e98a2d6e PP |
1941 | static |
1942 | enum bt_ctf_btr_status btr_unsigned_int_cb(uint64_t value, | |
1943 | struct bt_ctf_field_type *type, void *data) | |
5f870343 JG |
1944 | { |
1945 | struct bt_ctf_notif_iter *notit = data; | |
1946 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1947 | struct bt_ctf_field *field = NULL; | |
1948 | struct field_cb_override *override; | |
1949 | ||
fdf0e7a0 PP |
1950 | BT_LOGV("Unsigned integer function called from BTR: " |
1951 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1952 | "ft-id=%s, value=%" PRIu64, | |
1953 | notit, notit->btr, type, | |
1954 | bt_ctf_field_type_id_string( | |
1955 | bt_ctf_field_type_get_type_id(type)), | |
1956 | value); | |
1957 | override = g_hash_table_lookup(notit->field_overrides, type); | |
5f870343 | 1958 | if (unlikely(override)) { |
fdf0e7a0 | 1959 | /* Override function logs errors */ |
5f870343 JG |
1960 | status = override->func(&value, type, override->data); |
1961 | goto end; | |
1962 | } | |
1963 | ||
1964 | status = btr_unsigned_int_common(value, type, data, &field); | |
1965 | if (status != BT_CTF_BTR_STATUS_OK) { | |
fdf0e7a0 | 1966 | /* btr_unsigned_int_common() logs errors */ |
5f870343 JG |
1967 | goto end; |
1968 | } | |
1969 | ||
f45bfe88 | 1970 | status = update_clock(notit, field); |
5f870343 JG |
1971 | BT_PUT(field); |
1972 | end: | |
1973 | return status; | |
1974 | } | |
1975 | ||
1976 | static | |
1977 | enum bt_ctf_btr_status btr_signed_int_cb(int64_t value, | |
1978 | struct bt_ctf_field_type *type, void *data) | |
e98a2d6e PP |
1979 | { |
1980 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1981 | struct bt_ctf_field *field = NULL; | |
1982 | struct bt_ctf_field *int_field = NULL; | |
1983 | struct bt_ctf_notif_iter *notit = data; | |
1984 | int ret; | |
1985 | ||
fdf0e7a0 PP |
1986 | BT_LOGV("Signed integer function called from BTR: " |
1987 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1988 | "ft-id=%s, value=%" PRId64, | |
1989 | notit, notit->btr, type, | |
1990 | bt_ctf_field_type_id_string( | |
1991 | bt_ctf_field_type_get_type_id(type)), | |
1992 | value); | |
1993 | ||
5f870343 | 1994 | /* create next field */ |
e98a2d6e PP |
1995 | field = get_next_field(notit); |
1996 | if (!field) { | |
fdf0e7a0 | 1997 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e | 1998 | status = BT_CTF_BTR_STATUS_ERROR; |
c44c3e70 | 1999 | goto end_no_put; |
e98a2d6e PP |
2000 | } |
2001 | ||
2002 | switch(bt_ctf_field_type_get_type_id(type)) { | |
1487a16a | 2003 | case BT_CTF_FIELD_TYPE_ID_INTEGER: |
e98a2d6e PP |
2004 | /* Integer field is created field */ |
2005 | BT_MOVE(int_field, field); | |
c44c3e70 | 2006 | bt_get(type); |
e98a2d6e | 2007 | break; |
1487a16a | 2008 | case BT_CTF_FIELD_TYPE_ID_ENUM: |
e98a2d6e | 2009 | int_field = bt_ctf_field_enumeration_get_container(field); |
fdf0e7a0 | 2010 | assert(int_field); |
c44c3e70 | 2011 | type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 2012 | assert(type); |
e98a2d6e PP |
2013 | break; |
2014 | default: | |
fdf0e7a0 PP |
2015 | BT_LOGF("Unexpected field type ID: " |
2016 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
2017 | notit, type, | |
2018 | bt_ctf_field_type_id_string( | |
2019 | bt_ctf_field_type_get_type_id(type))); | |
0fbb9a9f | 2020 | abort(); |
e98a2d6e PP |
2021 | } |
2022 | ||
fdf0e7a0 | 2023 | assert(int_field); |
5f870343 | 2024 | ret = bt_ctf_field_signed_integer_set_value(int_field, value); |
e98a2d6e PP |
2025 | assert(!ret); |
2026 | stack_top(notit->stack)->index++; | |
f45bfe88 | 2027 | status = update_clock(notit, int_field); |
e98a2d6e PP |
2028 | BT_PUT(field); |
2029 | BT_PUT(int_field); | |
c44c3e70 | 2030 | BT_PUT(type); |
fdf0e7a0 | 2031 | |
c44c3e70 | 2032 | end_no_put: |
e98a2d6e PP |
2033 | return status; |
2034 | } | |
2035 | ||
2036 | static | |
2037 | enum bt_ctf_btr_status btr_floating_point_cb(double value, | |
2038 | struct bt_ctf_field_type *type, void *data) | |
2039 | { | |
2040 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2041 | struct bt_ctf_field *field = NULL; | |
2042 | struct bt_ctf_notif_iter *notit = data; | |
2043 | int ret; | |
2044 | ||
fdf0e7a0 PP |
2045 | BT_LOGV("Floating point number function called from BTR: " |
2046 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2047 | "ft-id=%s, value=%f", | |
2048 | notit, notit->btr, type, | |
2049 | bt_ctf_field_type_id_string( | |
2050 | bt_ctf_field_type_get_type_id(type)), | |
2051 | value); | |
2052 | ||
e98a2d6e PP |
2053 | /* Create next field */ |
2054 | field = get_next_field(notit); | |
2055 | if (!field) { | |
fdf0e7a0 | 2056 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e PP |
2057 | status = BT_CTF_BTR_STATUS_ERROR; |
2058 | goto end; | |
2059 | } | |
2060 | ||
2061 | ret = bt_ctf_field_floating_point_set_value(field, value); | |
2062 | assert(!ret); | |
2063 | stack_top(notit->stack)->index++; | |
2064 | ||
2065 | end: | |
2066 | BT_PUT(field); | |
e98a2d6e PP |
2067 | return status; |
2068 | } | |
2069 | ||
2070 | static | |
2071 | enum bt_ctf_btr_status btr_string_begin_cb( | |
2072 | struct bt_ctf_field_type *type, void *data) | |
2073 | { | |
2074 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2075 | struct bt_ctf_field *field = NULL; | |
2076 | struct bt_ctf_notif_iter *notit = data; | |
2077 | int ret; | |
2078 | ||
fdf0e7a0 PP |
2079 | BT_LOGV("String (beginning) function called from BTR: " |
2080 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2081 | "ft-id=%s", | |
2082 | notit, notit->btr, type, | |
2083 | bt_ctf_field_type_id_string( | |
2084 | bt_ctf_field_type_get_type_id(type))); | |
2085 | ||
e98a2d6e PP |
2086 | /* Create next field */ |
2087 | field = get_next_field(notit); | |
2088 | if (!field) { | |
fdf0e7a0 | 2089 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e PP |
2090 | status = BT_CTF_BTR_STATUS_ERROR; |
2091 | goto end; | |
2092 | } | |
2093 | ||
2094 | /* | |
2095 | * Push on stack. Not a compound type per se, but we know that only | |
2096 | * btr_string_cb() may be called between this call and a subsequent | |
2097 | * call to btr_string_end_cb(). | |
2098 | */ | |
2099 | ret = stack_push(notit->stack, field); | |
2100 | if (ret) { | |
fdf0e7a0 PP |
2101 | BT_LOGE("Cannot push string field on stack: " |
2102 | "notit-addr=%p, field-addr=%p", notit, field); | |
e98a2d6e PP |
2103 | status = BT_CTF_BTR_STATUS_ERROR; |
2104 | goto end; | |
2105 | } | |
2106 | ||
e5df2ae3 JG |
2107 | /* |
2108 | * Initialize string field payload to an empty string since in the | |
2109 | * case of a length 0 string the btr_string_cb won't be called and | |
2110 | * we will end up with an unset string payload. | |
2111 | */ | |
2112 | ret = bt_ctf_field_string_set_value(field, ""); | |
2113 | if (ret) { | |
fdf0e7a0 PP |
2114 | BT_LOGE("Cannot initialize string field's value to an empty string: " |
2115 | "notit-addr=%p, field-addr=%p, ret=%d", | |
2116 | notit, field, ret); | |
e5df2ae3 JG |
2117 | status = BT_CTF_BTR_STATUS_ERROR; |
2118 | goto end; | |
2119 | } | |
2120 | ||
e98a2d6e PP |
2121 | end: |
2122 | BT_PUT(field); | |
2123 | ||
2124 | return status; | |
2125 | } | |
2126 | ||
2127 | static | |
2128 | enum bt_ctf_btr_status btr_string_cb(const char *value, | |
2129 | size_t len, struct bt_ctf_field_type *type, void *data) | |
2130 | { | |
2131 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2132 | struct bt_ctf_field *field = NULL; | |
2133 | struct bt_ctf_notif_iter *notit = data; | |
2134 | int ret; | |
2135 | ||
fdf0e7a0 PP |
2136 | BT_LOGV("String (substring) function called from BTR: " |
2137 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2138 | "ft-id=%s, string-length=%zu", | |
2139 | notit, notit->btr, type, | |
2140 | bt_ctf_field_type_id_string( | |
2141 | bt_ctf_field_type_get_type_id(type)), | |
2142 | len); | |
2143 | ||
e98a2d6e PP |
2144 | /* Get string field */ |
2145 | field = stack_top(notit->stack)->base; | |
2146 | assert(field); | |
2147 | ||
2148 | /* Append current string */ | |
2149 | ret = bt_ctf_field_string_append_len(field, value, len); | |
2150 | if (ret) { | |
fdf0e7a0 PP |
2151 | BT_LOGE("Cannot append substring to string field's value: " |
2152 | "notit-addr=%p, field-addr=%p, string-length=%zu, " | |
2153 | "ret=%d", notit, field, len, ret); | |
e98a2d6e PP |
2154 | status = BT_CTF_BTR_STATUS_ERROR; |
2155 | goto end; | |
2156 | } | |
2157 | ||
2158 | end: | |
2159 | return status; | |
2160 | } | |
2161 | ||
2162 | static | |
2163 | enum bt_ctf_btr_status btr_string_end_cb( | |
2164 | struct bt_ctf_field_type *type, void *data) | |
2165 | { | |
2166 | struct bt_ctf_notif_iter *notit = data; | |
2167 | ||
fdf0e7a0 PP |
2168 | BT_LOGV("String (end) function called from BTR: " |
2169 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2170 | "ft-id=%s", | |
2171 | notit, notit->btr, type, | |
2172 | bt_ctf_field_type_id_string( | |
2173 | bt_ctf_field_type_get_type_id(type))); | |
2174 | ||
e98a2d6e PP |
2175 | /* Pop string field */ |
2176 | stack_pop(notit->stack); | |
2177 | ||
2178 | /* Go to next field */ | |
2179 | stack_top(notit->stack)->index++; | |
e98a2d6e PP |
2180 | return BT_CTF_BTR_STATUS_OK; |
2181 | } | |
2182 | ||
2183 | enum bt_ctf_btr_status btr_compound_begin_cb( | |
2184 | struct bt_ctf_field_type *type, void *data) | |
2185 | { | |
2186 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2187 | struct bt_ctf_notif_iter *notit = data; | |
2188 | struct bt_ctf_field *field; | |
2189 | int ret; | |
2190 | ||
fdf0e7a0 PP |
2191 | BT_LOGV("Compound (beginning) function called from BTR: " |
2192 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2193 | "ft-id=%s", | |
2194 | notit, notit->btr, type, | |
2195 | bt_ctf_field_type_id_string( | |
2196 | bt_ctf_field_type_get_type_id(type))); | |
2197 | ||
e98a2d6e PP |
2198 | /* Create field */ |
2199 | if (stack_empty(notit->stack)) { | |
2200 | /* Root: create dynamic scope field */ | |
2201 | *notit->cur_dscope_field = bt_ctf_field_create(type); | |
2202 | field = *notit->cur_dscope_field; | |
2203 | ||
2204 | /* | |
2205 | * Field will be put at the end of this function | |
2206 | * (stack_push() will take one reference, but this | |
2207 | * reference is lost upon the equivalent stack_pop() | |
2208 | * later), so also get it for our context to own it. | |
2209 | */ | |
2210 | bt_get(*notit->cur_dscope_field); | |
fdf0e7a0 PP |
2211 | |
2212 | if (!field) { | |
2213 | BT_LOGE("Cannot create compound field: " | |
2214 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
2215 | notit, type, | |
2216 | bt_ctf_field_type_id_string( | |
2217 | bt_ctf_field_type_get_type_id(type))); | |
2218 | status = BT_CTF_BTR_STATUS_ERROR; | |
2219 | goto end; | |
2220 | } | |
e98a2d6e PP |
2221 | } else { |
2222 | field = get_next_field(notit); | |
fdf0e7a0 PP |
2223 | if (!field) { |
2224 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); | |
2225 | status = BT_CTF_BTR_STATUS_ERROR; | |
2226 | goto end; | |
2227 | } | |
e98a2d6e PP |
2228 | } |
2229 | ||
2230 | /* Push field */ | |
fdf0e7a0 | 2231 | assert(field); |
e98a2d6e PP |
2232 | ret = stack_push(notit->stack, field); |
2233 | if (ret) { | |
fdf0e7a0 PP |
2234 | BT_LOGE("Cannot push compound field onto the stack: " |
2235 | "notit-addr=%p, ft-addr=%p, ft-id=%s, ret=%d", | |
2236 | notit, type, | |
2237 | bt_ctf_field_type_id_string( | |
2238 | bt_ctf_field_type_get_type_id(type)), | |
2239 | ret); | |
e98a2d6e PP |
2240 | status = BT_CTF_BTR_STATUS_ERROR; |
2241 | goto end; | |
2242 | } | |
2243 | ||
2244 | end: | |
2245 | BT_PUT(field); | |
2246 | ||
2247 | return status; | |
2248 | } | |
2249 | ||
2250 | enum bt_ctf_btr_status btr_compound_end_cb( | |
2251 | struct bt_ctf_field_type *type, void *data) | |
2252 | { | |
2253 | struct bt_ctf_notif_iter *notit = data; | |
2254 | ||
fdf0e7a0 PP |
2255 | BT_LOGV("Compound (end) function called from BTR: " |
2256 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2257 | "ft-id=%s", | |
2258 | notit, notit->btr, type, | |
2259 | bt_ctf_field_type_id_string( | |
2260 | bt_ctf_field_type_get_type_id(type))); | |
e98a2d6e PP |
2261 | assert(!stack_empty(notit->stack)); |
2262 | ||
2263 | /* Pop stack */ | |
2264 | stack_pop(notit->stack); | |
2265 | ||
2266 | /* If the stack is not empty, increment the base's index */ | |
2267 | if (!stack_empty(notit->stack)) { | |
2268 | stack_top(notit->stack)->index++; | |
2269 | } | |
2270 | ||
2271 | return BT_CTF_BTR_STATUS_OK; | |
2272 | } | |
2273 | ||
2274 | static | |
2275 | struct bt_ctf_field *resolve_field(struct bt_ctf_notif_iter *notit, | |
2276 | struct bt_ctf_field_path *path) | |
2277 | { | |
2278 | struct bt_ctf_field *field = NULL; | |
2279 | unsigned int i; | |
2280 | ||
fdf0e7a0 PP |
2281 | if (BT_LOG_ON_VERBOSE) { |
2282 | GString *gstr = bt_ctf_field_path_string(path); | |
2283 | ||
2284 | BT_LOGV("Resolving field path: notit-addr=%p, field-path=\"%s\"", | |
2285 | notit, gstr ? gstr->str : NULL); | |
2286 | ||
2287 | if (gstr) { | |
2288 | g_string_free(gstr, TRUE); | |
2289 | } | |
2290 | } | |
2291 | ||
e98a2d6e PP |
2292 | switch (bt_ctf_field_path_get_root_scope(path)) { |
2293 | case BT_CTF_SCOPE_TRACE_PACKET_HEADER: | |
2294 | field = notit->dscopes.trace_packet_header; | |
2295 | break; | |
2296 | case BT_CTF_SCOPE_STREAM_PACKET_CONTEXT: | |
2297 | field = notit->dscopes.stream_packet_context; | |
2298 | break; | |
2299 | case BT_CTF_SCOPE_STREAM_EVENT_HEADER: | |
2300 | field = notit->dscopes.stream_event_header; | |
2301 | break; | |
2302 | case BT_CTF_SCOPE_STREAM_EVENT_CONTEXT: | |
2303 | field = notit->dscopes.stream_event_context; | |
2304 | break; | |
2305 | case BT_CTF_SCOPE_EVENT_CONTEXT: | |
2306 | field = notit->dscopes.event_context; | |
2307 | break; | |
2308 | case BT_CTF_SCOPE_EVENT_FIELDS: | |
2309 | field = notit->dscopes.event_payload; | |
2310 | break; | |
2311 | default: | |
fdf0e7a0 PP |
2312 | BT_LOGF("Cannot resolve field path: unknown scope: " |
2313 | "notit-addr=%p, root-scope=%s", | |
2314 | notit, bt_ctf_scope_string( | |
2315 | bt_ctf_field_path_get_root_scope(path))); | |
2316 | abort(); | |
e98a2d6e PP |
2317 | } |
2318 | ||
2319 | if (!field) { | |
fdf0e7a0 PP |
2320 | BT_LOGW("Cannot resolve field path: root field not found: " |
2321 | "notit-addr=%p, root-scope=%s", | |
2322 | notit, bt_ctf_scope_string( | |
2323 | bt_ctf_field_path_get_root_scope(path))); | |
e98a2d6e PP |
2324 | goto end; |
2325 | } | |
2326 | ||
2327 | bt_get(field); | |
2328 | ||
2329 | for (i = 0; i < bt_ctf_field_path_get_index_count(path); ++i) { | |
2330 | struct bt_ctf_field *next_field = NULL; | |
2331 | struct bt_ctf_field_type *field_type; | |
2332 | int index = bt_ctf_field_path_get_index(path, i); | |
2333 | ||
2334 | field_type = bt_ctf_field_get_type(field); | |
fdf0e7a0 | 2335 | assert(field_type); |
e98a2d6e PP |
2336 | |
2337 | if (is_struct_type(field_type)) { | |
2338 | next_field = bt_ctf_field_structure_get_field_by_index( | |
2339 | field, index); | |
2340 | } else if (is_variant_type(field_type)) { | |
2341 | next_field = | |
2342 | bt_ctf_field_variant_get_current_field(field); | |
2343 | } | |
2344 | ||
2345 | BT_PUT(field); | |
2346 | BT_PUT(field_type); | |
2347 | ||
2348 | if (!next_field) { | |
fdf0e7a0 PP |
2349 | BT_LOGW("Cannot find next field: " |
2350 | "notit-addr=%p, ft-addr=%p, ft-id=%s, index=%d", | |
2351 | notit, field_type, | |
2352 | bt_ctf_field_type_id_string( | |
2353 | bt_ctf_field_type_get_type_id(field_type)), | |
2354 | index); | |
e98a2d6e PP |
2355 | goto end; |
2356 | } | |
2357 | ||
2358 | /* Move next field -> field */ | |
2359 | BT_MOVE(field, next_field); | |
2360 | } | |
2361 | ||
2362 | end: | |
2363 | return field; | |
2364 | } | |
2365 | ||
2366 | static | |
2367 | int64_t btr_get_sequence_length_cb(struct bt_ctf_field_type *type, void *data) | |
2368 | { | |
2369 | int64_t ret = -1; | |
2370 | int iret; | |
fdf0e7a0 | 2371 | struct bt_ctf_field *seq_field; |
e98a2d6e PP |
2372 | struct bt_ctf_field_path *field_path; |
2373 | struct bt_ctf_notif_iter *notit = data; | |
2cf1d51e | 2374 | struct bt_ctf_field *length_field = NULL; |
e98a2d6e PP |
2375 | uint64_t length; |
2376 | ||
2377 | field_path = bt_ctf_field_type_sequence_get_length_field_path(type); | |
fdf0e7a0 | 2378 | assert(field_path); |
2cf1d51e JG |
2379 | length_field = resolve_field(notit, field_path); |
2380 | if (!length_field) { | |
fdf0e7a0 PP |
2381 | BT_LOGW("Cannot resolve sequence field type's length field path: " |
2382 | "notit-addr=%p, ft-addr=%p", | |
2383 | notit, type); | |
e98a2d6e PP |
2384 | goto end; |
2385 | } | |
2386 | ||
2cf1d51e | 2387 | iret = bt_ctf_field_unsigned_integer_get_value(length_field, &length); |
e98a2d6e | 2388 | if (iret) { |
fdf0e7a0 PP |
2389 | BT_LOGE("Cannot get value of sequence length field: " |
2390 | "notit-addr=%p, field-addr=%p", | |
2391 | notit, length_field); | |
e98a2d6e PP |
2392 | goto end; |
2393 | } | |
2394 | ||
fdf0e7a0 PP |
2395 | seq_field = stack_top(notit->stack)->base; |
2396 | iret = bt_ctf_field_sequence_set_length(seq_field, length_field); | |
2cf1d51e | 2397 | if (iret) { |
fdf0e7a0 PP |
2398 | BT_LOGE("Cannot set sequence field's length field: " |
2399 | "notit-addr=%p, seq-field-addr=%p, " | |
2400 | "length-field-addr=%p, ", | |
2401 | notit, seq_field, length_field); | |
2cf1d51e JG |
2402 | goto end; |
2403 | } | |
fdf0e7a0 | 2404 | |
e98a2d6e PP |
2405 | ret = (int64_t) length; |
2406 | ||
2407 | end: | |
2cf1d51e | 2408 | BT_PUT(length_field); |
e98a2d6e PP |
2409 | BT_PUT(field_path); |
2410 | ||
2411 | return ret; | |
2412 | } | |
2413 | ||
2414 | static | |
2415 | struct bt_ctf_field_type *btr_get_variant_type_cb( | |
2416 | struct bt_ctf_field_type *type, void *data) | |
2417 | { | |
2418 | struct bt_ctf_field_path *path; | |
2419 | struct bt_ctf_notif_iter *notit = data; | |
fdf0e7a0 | 2420 | struct bt_ctf_field *var_field; |
e98a2d6e PP |
2421 | struct bt_ctf_field *tag_field = NULL; |
2422 | struct bt_ctf_field *selected_field = NULL; | |
2423 | struct bt_ctf_field_type *selected_field_type = NULL; | |
2424 | ||
2425 | path = bt_ctf_field_type_variant_get_tag_field_path(type); | |
fdf0e7a0 | 2426 | assert(path); |
e98a2d6e PP |
2427 | tag_field = resolve_field(notit, path); |
2428 | if (!tag_field) { | |
fdf0e7a0 PP |
2429 | BT_LOGW("Cannot resolve variant field type's tag field path: " |
2430 | "notit-addr=%p, ft-addr=%p", | |
2431 | notit, type); | |
e98a2d6e PP |
2432 | goto end; |
2433 | } | |
2434 | ||
2435 | /* | |
2436 | * We found the enumeration tag field instance which should be | |
2437 | * able to select a current field for this variant. This | |
2438 | * callback function we're in is called _after_ | |
2439 | * compound_begin(), so the current stack top's base field is | |
2440 | * the variant field in question. We get the selected field here | |
2441 | * thanks to this tag field (thus creating the selected field), | |
2442 | * which will also provide us with its type. Then, this field | |
2443 | * will remain the current selected one until the next callback | |
2444 | * function call which is used to fill the current selected | |
2445 | * field. | |
2446 | */ | |
fdf0e7a0 PP |
2447 | var_field = stack_top(notit->stack)->base; |
2448 | selected_field = bt_ctf_field_variant_get_field(var_field, tag_field); | |
e98a2d6e | 2449 | if (!selected_field) { |
fdf0e7a0 PP |
2450 | BT_LOGW("Cannot get variant field's selection using tag field: " |
2451 | "notit-addr=%p, var-field-addr=%p, tag-field-addr=%p", | |
2452 | notit, var_field, tag_field); | |
e98a2d6e PP |
2453 | goto end; |
2454 | } | |
2455 | ||
2456 | selected_field_type = bt_ctf_field_get_type(selected_field); | |
2457 | ||
2458 | end: | |
2459 | BT_PUT(tag_field); | |
2460 | BT_PUT(selected_field); | |
f77ae72a | 2461 | BT_PUT(path); |
e98a2d6e PP |
2462 | |
2463 | return selected_field_type; | |
2464 | } | |
2465 | ||
1556a1af JG |
2466 | static |
2467 | int set_event_clocks(struct bt_ctf_event *event, | |
2468 | struct bt_ctf_notif_iter *notit) | |
2469 | { | |
2470 | int ret; | |
2471 | GHashTableIter iter; | |
ac0c6bdd | 2472 | struct bt_ctf_clock_class *clock_class; |
1556a1af JG |
2473 | uint64_t *clock_state; |
2474 | ||
2475 | g_hash_table_iter_init(&iter, notit->clock_states); | |
2476 | ||
ac0c6bdd | 2477 | while (g_hash_table_iter_next(&iter, (gpointer) &clock_class, |
1556a1af JG |
2478 | (gpointer) &clock_state)) { |
2479 | struct bt_ctf_clock_value *clock_value; | |
2480 | ||
ac0c6bdd PP |
2481 | clock_value = bt_ctf_clock_value_create(clock_class, |
2482 | *clock_state); | |
1556a1af | 2483 | if (!clock_value) { |
fdf0e7a0 PP |
2484 | BT_LOGE("Cannot create clock value from clock class: " |
2485 | "notit-addr=%p, clock-class-addr=%p, " | |
2486 | "clock-class-name=\"%s\"", | |
2487 | notit, clock_class, | |
2488 | bt_ctf_clock_class_get_name(clock_class)); | |
1556a1af JG |
2489 | ret = -1; |
2490 | goto end; | |
2491 | } | |
3f3c46b8 | 2492 | ret = bt_ctf_event_set_clock_value(event, clock_value); |
1556a1af JG |
2493 | bt_put(clock_value); |
2494 | if (ret) { | |
fdf0e7a0 PP |
2495 | struct bt_ctf_event_class *event_class = |
2496 | bt_ctf_event_get_class(event); | |
2497 | ||
2498 | assert(event_class); | |
2499 | BT_LOGE("Cannot set event's clock value: " | |
2500 | "notit-addr=%p, event-addr=%p, " | |
2501 | "event-class-name=\"%s\", " | |
2502 | "event-class-id=%" PRId64 ", " | |
2503 | "clock-class-addr=%p, " | |
2504 | "clock-class-name=\"%s\", " | |
2505 | "clock-value-addr=%p", | |
2506 | notit, event, | |
2507 | bt_ctf_event_class_get_name(event_class), | |
2508 | bt_ctf_event_class_get_id(event_class), | |
2509 | clock_class, | |
2510 | bt_ctf_clock_class_get_name(clock_class), | |
2511 | clock_value); | |
2512 | bt_put(event_class); | |
1556a1af JG |
2513 | goto end; |
2514 | } | |
2515 | } | |
fdf0e7a0 | 2516 | |
1556a1af JG |
2517 | ret = 0; |
2518 | end: | |
2519 | return ret; | |
2520 | } | |
2521 | ||
78586d8a JG |
2522 | static |
2523 | struct bt_ctf_event *create_event(struct bt_ctf_notif_iter *notit) | |
e98a2d6e | 2524 | { |
e98a2d6e | 2525 | int ret; |
78586d8a | 2526 | struct bt_ctf_event *event; |
e98a2d6e | 2527 | |
fdf0e7a0 PP |
2528 | BT_LOGV("Creating event for event notification: " |
2529 | "notit-addr=%p, event-class-addr=%p, " | |
2530 | "event-class-name=\"%s\", " | |
2531 | "event-class-id=%" PRId64, | |
2532 | notit, notit->meta.event_class, | |
2533 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2534 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
2535 | ||
78586d8a | 2536 | /* Create event object. */ |
e98a2d6e PP |
2537 | event = bt_ctf_event_create(notit->meta.event_class); |
2538 | if (!event) { | |
fdf0e7a0 PP |
2539 | BT_LOGE("Cannot create event: " |
2540 | "notit-addr=%p, event-class-addr=%p, " | |
2541 | "event-class-name=\"%s\", " | |
2542 | "event-class-id=%" PRId64, | |
2543 | notit, notit->meta.event_class, | |
2544 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2545 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
e98a2d6e PP |
2546 | goto error; |
2547 | } | |
2548 | ||
78586d8a | 2549 | /* Set header, stream event context, context, and payload fields. */ |
e98a2d6e PP |
2550 | ret = bt_ctf_event_set_header(event, |
2551 | notit->dscopes.stream_event_header); | |
2552 | if (ret) { | |
fdf0e7a0 PP |
2553 | BT_LOGE("Cannot set event's header field: " |
2554 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2555 | "event-class-name=\"%s\", " | |
2556 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2557 | notit, event, notit->meta.event_class, | |
2558 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2559 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2560 | notit->dscopes.stream_event_header); | |
e98a2d6e PP |
2561 | goto error; |
2562 | } | |
2563 | ||
2564 | ret = bt_ctf_event_set_stream_event_context(event, | |
2565 | notit->dscopes.stream_event_context); | |
2566 | if (ret) { | |
fdf0e7a0 PP |
2567 | BT_LOGE("Cannot set event's context field: " |
2568 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2569 | "event-class-name=\"%s\", " | |
2570 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2571 | notit, event, notit->meta.event_class, | |
2572 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2573 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2574 | notit->dscopes.stream_event_context); | |
e98a2d6e PP |
2575 | goto error; |
2576 | } | |
2577 | ||
2578 | ret = bt_ctf_event_set_event_context(event, | |
2579 | notit->dscopes.event_context); | |
2580 | if (ret) { | |
fdf0e7a0 PP |
2581 | BT_LOGE("Cannot set event's stream event context field: " |
2582 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2583 | "event-class-name=\"%s\", " | |
2584 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2585 | notit, event, notit->meta.event_class, | |
2586 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2587 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2588 | notit->dscopes.event_context); | |
e98a2d6e PP |
2589 | goto error; |
2590 | } | |
2591 | ||
9ac68eb1 | 2592 | ret = bt_ctf_event_set_event_payload(event, |
e98a2d6e PP |
2593 | notit->dscopes.event_payload); |
2594 | if (ret) { | |
fdf0e7a0 PP |
2595 | BT_LOGE("Cannot set event's payload field: " |
2596 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2597 | "event-class-name=\"%s\", " | |
2598 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2599 | notit, event, notit->meta.event_class, | |
2600 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2601 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2602 | notit->dscopes.event_payload); | |
e98a2d6e PP |
2603 | goto error; |
2604 | } | |
2605 | ||
1556a1af JG |
2606 | ret = set_event_clocks(event, notit); |
2607 | if (ret) { | |
fdf0e7a0 PP |
2608 | BT_LOGE("Cannot set event's clock values: " |
2609 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2610 | "event-class-name=\"%s\", " | |
2611 | "event-class-id=%" PRId64, | |
2612 | notit, event, notit->meta.event_class, | |
2613 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2614 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
1556a1af JG |
2615 | goto error; |
2616 | } | |
2617 | ||
78586d8a | 2618 | /* Associate with current packet. */ |
e98a2d6e PP |
2619 | assert(notit->packet); |
2620 | ret = bt_ctf_event_set_packet(event, notit->packet); | |
2621 | if (ret) { | |
fdf0e7a0 PP |
2622 | BT_LOGE("Cannot set event's header field: " |
2623 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2624 | "event-class-name=\"%s\", " | |
2625 | "event-class-id=%" PRId64 ", packet-addr=%p", | |
2626 | notit, event, notit->meta.event_class, | |
2627 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2628 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2629 | notit->packet); | |
e98a2d6e PP |
2630 | goto error; |
2631 | } | |
2632 | ||
2633 | goto end; | |
fdf0e7a0 | 2634 | |
e98a2d6e PP |
2635 | error: |
2636 | BT_PUT(event); | |
fdf0e7a0 | 2637 | |
e98a2d6e PP |
2638 | end: |
2639 | return event; | |
2640 | } | |
2641 | ||
78586d8a JG |
2642 | static |
2643 | void create_packet(struct bt_ctf_notif_iter *notit) | |
e98a2d6e PP |
2644 | { |
2645 | int ret; | |
2646 | struct bt_ctf_stream *stream = NULL; | |
2647 | struct bt_ctf_packet *packet = NULL; | |
2648 | ||
fdf0e7a0 PP |
2649 | BT_LOGV("Creating packet for packet notification: " |
2650 | "notit-addr=%p", notit); | |
2651 | ||
e98a2d6e | 2652 | /* Ask the user for the stream */ |
fdf0e7a0 PP |
2653 | BT_LOGV("Calling user function (get stream): notit-addr=%p, " |
2654 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
2655 | "stream-class-id=%" PRId64, | |
2656 | notit, notit->meta.stream_class, | |
2657 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2658 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
e98a2d6e | 2659 | stream = notit->medium.medops.get_stream(notit->meta.stream_class, |
78586d8a | 2660 | notit->medium.data); |
fdf0e7a0 PP |
2661 | BT_LOGV("User function returned: stream-addr=%p", |
2662 | stream); | |
e98a2d6e | 2663 | if (!stream) { |
fdf0e7a0 | 2664 | BT_LOGW_STR("User function failed to return a stream object for the given stream class."); |
e98a2d6e PP |
2665 | goto error; |
2666 | } | |
2667 | ||
fdf0e7a0 PP |
2668 | BT_LOGV("Creating packet from stream: " |
2669 | "notit-addr=%p, stream-addr=%p, " | |
2670 | "stream-class-addr=%p, " | |
2671 | "stream-class-name=\"%s\", " | |
2672 | "stream-class-id=%" PRId64, | |
2673 | notit, stream, notit->meta.stream_class, | |
2674 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2675 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
2676 | ||
e98a2d6e PP |
2677 | /* Create packet */ |
2678 | packet = bt_ctf_packet_create(stream); | |
2679 | if (!packet) { | |
fdf0e7a0 PP |
2680 | BT_LOGE("Cannot create packet from stream: " |
2681 | "notit-addr=%p, stream-addr=%p, " | |
2682 | "stream-class-addr=%p, " | |
2683 | "stream-class-name=\"%s\", " | |
2684 | "stream-class-id=%" PRId64, | |
2685 | notit, stream, notit->meta.stream_class, | |
2686 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2687 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
e98a2d6e PP |
2688 | goto error; |
2689 | } | |
2690 | ||
2691 | /* Set packet's context and header fields */ | |
2692 | if (notit->dscopes.trace_packet_header) { | |
2693 | ret = bt_ctf_packet_set_header(packet, | |
fdf0e7a0 | 2694 | notit->dscopes.trace_packet_header); |
e98a2d6e | 2695 | if (ret) { |
fdf0e7a0 PP |
2696 | BT_LOGE("Cannot set packet's header field: " |
2697 | "notit-addr=%p, packet-addr=%p, " | |
2698 | "stream-addr=%p, " | |
2699 | "stream-class-addr=%p, " | |
2700 | "stream-class-name=\"%s\", " | |
2701 | "stream-class-id=%" PRId64 ", " | |
2702 | "field-addr=%p", | |
2703 | notit, packet, stream, notit->meta.stream_class, | |
2704 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2705 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
2706 | notit->dscopes.trace_packet_header); | |
e98a2d6e PP |
2707 | goto error; |
2708 | } | |
2709 | } | |
2710 | ||
2711 | if (notit->dscopes.stream_packet_context) { | |
2712 | ret = bt_ctf_packet_set_context(packet, | |
fdf0e7a0 | 2713 | notit->dscopes.stream_packet_context); |
e98a2d6e | 2714 | if (ret) { |
fdf0e7a0 PP |
2715 | BT_LOGE("Cannot set packet's context field: " |
2716 | "notit-addr=%p, packet-addr=%p, " | |
2717 | "stream-addr=%p, " | |
2718 | "stream-class-addr=%p, " | |
2719 | "stream-class-name=\"%s\", " | |
2720 | "stream-class-id=%" PRId64 ", " | |
2721 | "field-addr=%p", | |
2722 | notit, packet, stream, notit->meta.stream_class, | |
2723 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2724 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
2725 | notit->dscopes.trace_packet_header); | |
e98a2d6e PP |
2726 | goto error; |
2727 | } | |
2728 | } | |
2729 | ||
2730 | goto end; | |
fdf0e7a0 | 2731 | |
e98a2d6e PP |
2732 | error: |
2733 | BT_PUT(packet); | |
fdf0e7a0 | 2734 | |
e98a2d6e PP |
2735 | end: |
2736 | BT_MOVE(notit->packet, packet); | |
2737 | } | |
2738 | ||
78586d8a JG |
2739 | static |
2740 | void notify_new_packet(struct bt_ctf_notif_iter *notit, | |
2741 | struct bt_notification **notification) | |
e98a2d6e | 2742 | { |
78586d8a | 2743 | struct bt_notification *ret; |
e98a2d6e | 2744 | |
78586d8a | 2745 | /* Initialize the iterator's current packet */ |
e98a2d6e PP |
2746 | create_packet(notit); |
2747 | if (!notit->packet) { | |
fdf0e7a0 PP |
2748 | BT_LOGE("Cannot create packet for packet notification: " |
2749 | "notit-addr=%p", notit); | |
78586d8a | 2750 | return; |
e98a2d6e PP |
2751 | } |
2752 | ||
ea0e619e | 2753 | ret = bt_notification_packet_begin_create(notit->packet); |
78586d8a | 2754 | if (!ret) { |
fdf0e7a0 PP |
2755 | BT_LOGE("Cannot create packet beginning notification: " |
2756 | "notit-addr=%p, packet-addr=%p", | |
2757 | notit, notit->packet); | |
78586d8a JG |
2758 | return; |
2759 | } | |
2760 | *notification = ret; | |
e98a2d6e PP |
2761 | } |
2762 | ||
78586d8a JG |
2763 | static |
2764 | void notify_end_of_packet(struct bt_ctf_notif_iter *notit, | |
2765 | struct bt_notification **notification) | |
e98a2d6e | 2766 | { |
78586d8a | 2767 | struct bt_notification *ret; |
e98a2d6e | 2768 | |
e98a2d6e | 2769 | if (!notit->packet) { |
78586d8a | 2770 | return; |
e98a2d6e PP |
2771 | } |
2772 | ||
78586d8a JG |
2773 | ret = bt_notification_packet_end_create(notit->packet); |
2774 | if (!ret) { | |
fdf0e7a0 PP |
2775 | BT_LOGE("Cannot create packet end notification: " |
2776 | "notit-addr=%p, packet-addr=%p", | |
2777 | notit, notit->packet); | |
78586d8a JG |
2778 | return; |
2779 | } | |
2780 | BT_PUT(notit->packet); | |
2781 | *notification = ret; | |
e98a2d6e PP |
2782 | } |
2783 | ||
78586d8a JG |
2784 | static |
2785 | void notify_event(struct bt_ctf_notif_iter *notit, | |
0982a26d | 2786 | struct bt_clock_class_priority_map *cc_prio_map, |
78586d8a | 2787 | struct bt_notification **notification) |
e98a2d6e | 2788 | { |
78586d8a JG |
2789 | struct bt_ctf_event *event; |
2790 | struct bt_notification *ret = NULL; | |
e98a2d6e PP |
2791 | |
2792 | /* Create event */ | |
2793 | event = create_event(notit); | |
2794 | if (!event) { | |
fdf0e7a0 PP |
2795 | BT_LOGE("Cannot create event for event notification: " |
2796 | "notit-addr=%p", notit); | |
78586d8a | 2797 | goto end; |
e98a2d6e | 2798 | } |
e98a2d6e | 2799 | |
0982a26d | 2800 | ret = bt_notification_event_create(event, cc_prio_map); |
78586d8a | 2801 | if (!ret) { |
fdf0e7a0 PP |
2802 | BT_LOGE("Cannot create event notification: " |
2803 | "notit-addr=%p, event-addr=%p, " | |
2804 | "cc-prio-map-addr=%p", | |
2805 | notit, event, cc_prio_map); | |
78586d8a | 2806 | goto end; |
e98a2d6e | 2807 | } |
78586d8a JG |
2808 | *notification = ret; |
2809 | end: | |
2810 | BT_PUT(event); | |
e98a2d6e PP |
2811 | } |
2812 | ||
c44c3e70 JG |
2813 | static |
2814 | int init_clock_states(GHashTable *clock_states, struct bt_ctf_trace *trace) | |
2815 | { | |
ac0c6bdd | 2816 | int clock_class_count, i, ret = 0; |
c44c3e70 | 2817 | |
fdf0e7a0 | 2818 | assert(trace); |
ac0c6bdd | 2819 | clock_class_count = bt_ctf_trace_get_clock_class_count(trace); |
fdf0e7a0 | 2820 | assert(clock_class_count >= 0); |
c44c3e70 | 2821 | |
ac0c6bdd PP |
2822 | for (i = 0; i < clock_class_count; i++) { |
2823 | struct bt_ctf_clock_class *clock_class; | |
c44c3e70 | 2824 | |
9ac68eb1 | 2825 | clock_class = bt_ctf_trace_get_clock_class_by_index(trace, i); |
fdf0e7a0 | 2826 | assert(clock_class); |
ac0c6bdd PP |
2827 | g_hash_table_insert(clock_states, bt_get(clock_class), NULL); |
2828 | bt_put(clock_class); | |
c44c3e70 | 2829 | } |
fdf0e7a0 | 2830 | |
c44c3e70 JG |
2831 | return ret; |
2832 | } | |
2833 | ||
5f870343 JG |
2834 | static |
2835 | void init_trace_field_path_cache(struct bt_ctf_trace *trace, | |
2836 | struct trace_field_path_cache *trace_field_path_cache) | |
2837 | { | |
2838 | int stream_id = -1; | |
2839 | int stream_instance_id = -1; | |
2840 | int i, count; | |
2841 | struct bt_ctf_field_type *packet_header = NULL; | |
2842 | ||
2843 | packet_header = bt_ctf_trace_get_packet_header_type(trace); | |
2844 | if (!packet_header) { | |
2845 | goto end; | |
2846 | } | |
2847 | ||
2848 | if (!bt_ctf_field_type_is_structure(packet_header)) { | |
2849 | goto end; | |
2850 | } | |
2851 | ||
2852 | count = bt_ctf_field_type_structure_get_field_count(packet_header); | |
fdf0e7a0 | 2853 | assert(count >= 0); |
5f870343 JG |
2854 | |
2855 | for (i = 0; (i < count && (stream_id == -1 || stream_instance_id == -1)); i++) { | |
2856 | int ret; | |
2857 | const char *field_name; | |
2858 | ||
2859 | ret = bt_ctf_field_type_structure_get_field(packet_header, | |
2860 | &field_name, NULL, i); | |
2861 | if (ret) { | |
fdf0e7a0 PP |
2862 | BT_LOGE("Cannot get structure field's field: " |
2863 | "field-addr=%p, index=%d", | |
2864 | packet_header, i); | |
5f870343 JG |
2865 | goto end; |
2866 | } | |
2867 | ||
2868 | if (stream_id == -1 && !strcmp(field_name, "stream_id")) { | |
2869 | stream_id = i; | |
2870 | } else if (stream_instance_id == -1 && | |
2871 | !strcmp(field_name, "stream_instance_id")) { | |
2872 | stream_instance_id = i; | |
2873 | } | |
2874 | } | |
fdf0e7a0 | 2875 | |
5f870343 JG |
2876 | end: |
2877 | trace_field_path_cache->stream_id = stream_id; | |
2878 | trace_field_path_cache->stream_instance_id = stream_instance_id; | |
2879 | BT_PUT(packet_header); | |
2880 | } | |
2881 | ||
c44c3e70 | 2882 | BT_HIDDEN |
e98a2d6e PP |
2883 | struct bt_ctf_notif_iter *bt_ctf_notif_iter_create(struct bt_ctf_trace *trace, |
2884 | size_t max_request_sz, | |
55314f2a | 2885 | struct bt_ctf_notif_iter_medium_ops medops, void *data) |
e98a2d6e | 2886 | { |
c44c3e70 | 2887 | int ret; |
e98a2d6e PP |
2888 | struct bt_ctf_notif_iter *notit = NULL; |
2889 | struct bt_ctf_btr_cbs cbs = { | |
2890 | .types = { | |
2891 | .signed_int = btr_signed_int_cb, | |
2892 | .unsigned_int = btr_unsigned_int_cb, | |
2893 | .floating_point = btr_floating_point_cb, | |
2894 | .string_begin = btr_string_begin_cb, | |
2895 | .string = btr_string_cb, | |
2896 | .string_end = btr_string_end_cb, | |
2897 | .compound_begin = btr_compound_begin_cb, | |
2898 | .compound_end = btr_compound_end_cb, | |
2899 | }, | |
2900 | .query = { | |
2901 | .get_sequence_length = btr_get_sequence_length_cb, | |
2902 | .get_variant_type = btr_get_variant_type_cb, | |
2903 | }, | |
2904 | }; | |
2905 | ||
2906 | assert(trace); | |
2907 | assert(medops.request_bytes); | |
f3985ab1 | 2908 | assert(medops.get_stream); |
fdf0e7a0 PP |
2909 | BT_LOGD("Creating CTF plugin notification iterator: " |
2910 | "trace-addr=%p, trace-name=\"%s\", max-request-size=%zu, " | |
2911 | "data=%p", | |
2912 | trace, bt_ctf_trace_get_name(trace), max_request_sz, data); | |
e98a2d6e PP |
2913 | notit = g_new0(struct bt_ctf_notif_iter, 1); |
2914 | if (!notit) { | |
fdf0e7a0 | 2915 | BT_LOGE_STR("Failed to allocate one CTF plugin notification iterator."); |
e98a2d6e PP |
2916 | goto end; |
2917 | } | |
c44c3e70 | 2918 | notit->clock_states = g_hash_table_new_full(g_direct_hash, |
fdf0e7a0 | 2919 | g_direct_equal, bt_put, g_free); |
c44c3e70 | 2920 | if (!notit->clock_states) { |
fdf0e7a0 | 2921 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
c44c3e70 JG |
2922 | goto error; |
2923 | } | |
2924 | ret = init_clock_states(notit->clock_states, trace); | |
2925 | if (ret) { | |
fdf0e7a0 | 2926 | BT_LOGW("Cannot initialize clock values."); |
c44c3e70 JG |
2927 | goto error; |
2928 | } | |
35d47007 | 2929 | notit->meta.trace = bt_get(trace); |
e98a2d6e PP |
2930 | notit->medium.medops = medops; |
2931 | notit->medium.max_request_sz = max_request_sz; | |
2932 | notit->medium.data = data; | |
e98a2d6e PP |
2933 | notit->stack = stack_new(notit); |
2934 | if (!notit->stack) { | |
fdf0e7a0 | 2935 | BT_LOGE_STR("Failed to create field stack."); |
c44c3e70 | 2936 | goto error; |
e98a2d6e PP |
2937 | } |
2938 | ||
55314f2a | 2939 | notit->btr = bt_ctf_btr_create(cbs, notit); |
e98a2d6e | 2940 | if (!notit->btr) { |
fdf0e7a0 | 2941 | BT_LOGE_STR("Failed to create binary type reader (BTR)."); |
c44c3e70 | 2942 | goto error; |
e98a2d6e PP |
2943 | } |
2944 | ||
2945 | bt_ctf_notif_iter_reset(notit); | |
5f870343 JG |
2946 | init_trace_field_path_cache(trace, ¬it->trace_field_path_cache); |
2947 | notit->sc_field_path_caches = g_hash_table_new_full(g_direct_hash, | |
fdf0e7a0 | 2948 | g_direct_equal, bt_put, g_free); |
5f870343 | 2949 | if (!notit->sc_field_path_caches) { |
fdf0e7a0 | 2950 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
5f870343 JG |
2951 | goto error; |
2952 | } | |
2953 | ||
2954 | notit->field_overrides = g_hash_table_new_full(g_direct_hash, | |
fdf0e7a0 | 2955 | g_direct_equal, bt_put, g_free); |
5f870343 | 2956 | if (!notit->field_overrides) { |
fdf0e7a0 | 2957 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
5f870343 JG |
2958 | goto error; |
2959 | } | |
2960 | ||
fdf0e7a0 PP |
2961 | BT_LOGD("Created CTF plugin notification iterator: " |
2962 | "trace-addr=%p, trace-name=\"%s\", max-request-size=%zu, " | |
2963 | "data=%p, notit-addr=%p", | |
2964 | trace, bt_ctf_trace_get_name(trace), max_request_sz, data, | |
2965 | notit); | |
2966 | ||
e98a2d6e PP |
2967 | end: |
2968 | return notit; | |
fdf0e7a0 | 2969 | |
c44c3e70 JG |
2970 | error: |
2971 | bt_ctf_notif_iter_destroy(notit); | |
2972 | notit = NULL; | |
2973 | goto end; | |
e98a2d6e PP |
2974 | } |
2975 | ||
2976 | void bt_ctf_notif_iter_destroy(struct bt_ctf_notif_iter *notit) | |
2977 | { | |
2978 | BT_PUT(notit->meta.trace); | |
2979 | BT_PUT(notit->meta.stream_class); | |
2980 | BT_PUT(notit->meta.event_class); | |
2981 | BT_PUT(notit->packet); | |
5f870343 | 2982 | BT_PUT(notit->cur_timestamp_end); |
e98a2d6e PP |
2983 | put_all_dscopes(notit); |
2984 | ||
fdf0e7a0 PP |
2985 | BT_LOGD("Destroying CTF plugin notification iterator: addr=%p", notit); |
2986 | ||
e98a2d6e | 2987 | if (notit->stack) { |
fdf0e7a0 | 2988 | BT_LOGD_STR("Destroying field stack."); |
e98a2d6e PP |
2989 | stack_destroy(notit->stack); |
2990 | } | |
2991 | ||
2992 | if (notit->btr) { | |
fdf0e7a0 | 2993 | BT_LOGD("Destroying BTR: btr-addr=%p", notit->btr); |
e98a2d6e PP |
2994 | bt_ctf_btr_destroy(notit->btr); |
2995 | } | |
2996 | ||
c44c3e70 JG |
2997 | if (notit->clock_states) { |
2998 | g_hash_table_destroy(notit->clock_states); | |
2999 | } | |
5f870343 JG |
3000 | |
3001 | if (notit->sc_field_path_caches) { | |
3002 | g_hash_table_destroy(notit->sc_field_path_caches); | |
3003 | } | |
3004 | ||
3005 | if (notit->field_overrides) { | |
3006 | g_hash_table_destroy(notit->field_overrides); | |
3007 | } | |
fdf0e7a0 | 3008 | |
e98a2d6e PP |
3009 | g_free(notit); |
3010 | } | |
3011 | ||
3012 | enum bt_ctf_notif_iter_status bt_ctf_notif_iter_get_next_notification( | |
3013 | struct bt_ctf_notif_iter *notit, | |
0982a26d | 3014 | struct bt_clock_class_priority_map *cc_prio_map, |
78586d8a | 3015 | struct bt_notification **notification) |
e98a2d6e PP |
3016 | { |
3017 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
3018 | ||
3019 | assert(notit); | |
3020 | assert(notification); | |
3021 | ||
fdf0e7a0 PP |
3022 | BT_LOGV("Getting next notification: notit-addr=%p, cc-prio-map-addr=%p", |
3023 | notit, cc_prio_map); | |
3024 | ||
e98a2d6e PP |
3025 | while (true) { |
3026 | status = handle_state(notit); | |
7cdc2bab | 3027 | if (status == BT_CTF_NOTIF_ITER_STATUS_AGAIN) { |
fdf0e7a0 | 3028 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_AGAIN."); |
7cdc2bab MD |
3029 | goto end; |
3030 | } | |
e98a2d6e PP |
3031 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { |
3032 | if (status == BT_CTF_NOTIF_ITER_STATUS_EOF) { | |
fdf0e7a0 | 3033 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_EOF."); |
e98a2d6e | 3034 | } else { |
fdf0e7a0 PP |
3035 | BT_LOGW("Cannot handle state: " |
3036 | "notit-addr=%p, state=%s", | |
3037 | notit, state_string(notit->state)); | |
e98a2d6e PP |
3038 | } |
3039 | goto end; | |
3040 | } | |
3041 | ||
3042 | switch (notit->state) { | |
3043 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
fdf0e7a0 | 3044 | /* notify_new_packet() logs errors */ |
e98a2d6e PP |
3045 | notify_new_packet(notit, notification); |
3046 | if (!*notification) { | |
3047 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3048 | } | |
3049 | goto end; | |
3050 | case STATE_EMIT_NOTIF_EVENT: | |
fdf0e7a0 | 3051 | /* notify_event() logs errors */ |
0982a26d | 3052 | notify_event(notit, cc_prio_map, notification); |
e98a2d6e PP |
3053 | if (!*notification) { |
3054 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3055 | } | |
3056 | goto end; | |
3057 | case STATE_EMIT_NOTIF_END_OF_PACKET: | |
5f870343 JG |
3058 | /* Update clock with timestamp_end field. */ |
3059 | if (notit->cur_timestamp_end) { | |
3060 | enum bt_ctf_btr_status btr_status; | |
3061 | struct bt_ctf_field_type *field_type = | |
3062 | bt_ctf_field_get_type( | |
3063 | notit->cur_timestamp_end); | |
3064 | ||
fdf0e7a0 | 3065 | assert(field_type); |
f45bfe88 PP |
3066 | btr_status = update_clock(notit, |
3067 | notit->cur_timestamp_end); | |
5f870343 JG |
3068 | BT_PUT(field_type); |
3069 | if (btr_status != BT_CTF_BTR_STATUS_OK) { | |
fdf0e7a0 PP |
3070 | BT_LOGW("Cannot update stream's clock value: " |
3071 | "notit-addr=%p", notit); | |
5f870343 JG |
3072 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
3073 | goto end; | |
3074 | } | |
3075 | } | |
3076 | ||
fdf0e7a0 | 3077 | /* notify_end_of_packet() logs errors */ |
e98a2d6e PP |
3078 | notify_end_of_packet(notit, notification); |
3079 | if (!*notification) { | |
3080 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3081 | } | |
3082 | goto end; | |
3083 | default: | |
3084 | /* Non-emitting state: continue */ | |
3085 | break; | |
3086 | } | |
3087 | } | |
3088 | ||
3089 | end: | |
3090 | return status; | |
3091 | } | |
87187cbf PP |
3092 | |
3093 | BT_HIDDEN | |
3094 | enum bt_ctf_notif_iter_status bt_ctf_notif_iter_get_packet_header_context_fields( | |
3095 | struct bt_ctf_notif_iter *notit, | |
3096 | struct bt_ctf_field **packet_header_field, | |
3097 | struct bt_ctf_field **packet_context_field) | |
3098 | { | |
3099 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
3100 | ||
3101 | assert(notit); | |
3102 | ||
3103 | if (notit->state == STATE_EMIT_NOTIF_NEW_PACKET) { | |
3104 | /* We're already there */ | |
3105 | goto set_fields; | |
3106 | } | |
3107 | ||
3108 | while (true) { | |
3109 | status = handle_state(notit); | |
3110 | if (status == BT_CTF_NOTIF_ITER_STATUS_AGAIN) { | |
fdf0e7a0 | 3111 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_AGAIN."); |
87187cbf PP |
3112 | goto end; |
3113 | } | |
3114 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
3115 | if (status == BT_CTF_NOTIF_ITER_STATUS_EOF) { | |
fdf0e7a0 | 3116 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_EOF."); |
87187cbf | 3117 | } else { |
fdf0e7a0 PP |
3118 | BT_LOGW("Cannot handle state: " |
3119 | "notit-addr=%p, state=%s", | |
3120 | notit, state_string(notit->state)); | |
87187cbf PP |
3121 | } |
3122 | goto end; | |
3123 | } | |
3124 | ||
3125 | switch (notit->state) { | |
3126 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
3127 | /* | |
3128 | * Packet header and context fields are | |
3129 | * potentially decoded (or they don't exist). | |
3130 | */ | |
3131 | goto set_fields; | |
3132 | case STATE_INIT: | |
3133 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
3134 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3135 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3136 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3137 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3138 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
3139 | /* Non-emitting state: continue */ | |
3140 | break; | |
3141 | default: | |
3142 | /* | |
3143 | * We should never get past the | |
3144 | * STATE_EMIT_NOTIF_NEW_PACKET state. | |
3145 | */ | |
fdf0e7a0 PP |
3146 | BT_LOGF("Unexpected state: notit-addr=%p, state=%s", |
3147 | notit, state_string(notit->state)); | |
0fbb9a9f | 3148 | abort(); |
87187cbf PP |
3149 | } |
3150 | } | |
3151 | ||
3152 | set_fields: | |
3153 | if (packet_header_field) { | |
3154 | *packet_header_field = bt_get(notit->dscopes.trace_packet_header); | |
3155 | } | |
3156 | ||
3157 | if (packet_context_field) { | |
3158 | *packet_context_field = bt_get(notit->dscopes.stream_packet_context); | |
3159 | } | |
3160 | ||
3161 | end: | |
3162 | return status; | |
3163 | } |