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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 | ||
1051 | assert(notit->dscopes.stream_packet_context); | |
1052 | ||
e98a2d6e | 1053 | packet_size_field = bt_ctf_field_structure_get_field( |
fdf0e7a0 | 1054 | notit->dscopes.stream_packet_context, "packet_size"); |
e98a2d6e | 1055 | content_size_field = bt_ctf_field_structure_get_field( |
fdf0e7a0 | 1056 | notit->dscopes.stream_packet_context, "content_size"); |
e98a2d6e PP |
1057 | if (packet_size_field) { |
1058 | int ret = bt_ctf_field_unsigned_integer_get_value( | |
fdf0e7a0 | 1059 | packet_size_field, &packet_size); |
e98a2d6e | 1060 | |
fdf0e7a0 | 1061 | assert(ret == 0); |
e98a2d6e | 1062 | if (packet_size == 0) { |
fdf0e7a0 PP |
1063 | BT_LOGW("Invalid packet size: packet context field indicates packet size is zero: " |
1064 | "notit-addr=%p, packet-context-field-addr=%p", | |
1065 | notit, notit->dscopes.stream_packet_context); | |
e98a2d6e PP |
1066 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1067 | goto end; | |
1068 | } else if ((packet_size % 8) != 0) { | |
fdf0e7a0 PP |
1069 | BT_LOGW("Invalid packet size: packet context field indicates packet size is not a multiple of 8: " |
1070 | "notit-addr=%p, packet-context-field-addr=%p, " | |
1071 | "packet-size=%" PRIu64, | |
1072 | notit, notit->dscopes.stream_packet_context, | |
1073 | packet_size); | |
e98a2d6e PP |
1074 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1075 | goto end; | |
1076 | } | |
1077 | } | |
78586d8a | 1078 | |
e98a2d6e PP |
1079 | if (content_size_field) { |
1080 | int ret = bt_ctf_field_unsigned_integer_get_value( | |
1081 | content_size_field, &content_size); | |
78586d8a | 1082 | |
fdf0e7a0 | 1083 | assert(ret == 0); |
e98a2d6e PP |
1084 | } else { |
1085 | content_size = packet_size; | |
1086 | } | |
1087 | ||
fdf0e7a0 PP |
1088 | if (content_size > packet_size) { |
1089 | BT_LOGW("Invalid packet or content size: packet context field indicates content size is greater than packet size: " | |
1090 | "notit-addr=%p, packet-context-field-addr=%p, " | |
1091 | "packet-size=%" PRIu64 ", content-size=%" PRIu64, | |
1092 | notit, notit->dscopes.stream_packet_context, | |
1093 | packet_size, content_size); | |
1094 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
1095 | goto end; | |
1096 | } | |
1097 | ||
e98a2d6e PP |
1098 | notit->cur_packet_size = packet_size; |
1099 | notit->cur_content_size = content_size; | |
fdf0e7a0 PP |
1100 | BT_LOGV("Set current packet and content sizes: " |
1101 | "notit-addr=%p, packet-size=%" PRIu64 ", content-size=%" PRIu64, | |
1102 | notit, packet_size, content_size); | |
e98a2d6e PP |
1103 | end: |
1104 | BT_PUT(packet_size_field); | |
1105 | BT_PUT(content_size_field); | |
e98a2d6e PP |
1106 | return status; |
1107 | } | |
1108 | ||
1109 | static | |
1110 | enum bt_ctf_notif_iter_status after_packet_context_state( | |
1111 | struct bt_ctf_notif_iter *notit) | |
1112 | { | |
1113 | enum bt_ctf_notif_iter_status status; | |
1114 | ||
1115 | status = set_current_packet_content_sizes(notit); | |
1116 | if (status == BT_CTF_NOTIF_ITER_STATUS_OK) { | |
1117 | notit->state = STATE_EMIT_NOTIF_NEW_PACKET; | |
1118 | } | |
1119 | ||
1120 | return status; | |
1121 | } | |
1122 | ||
1123 | static | |
1124 | enum bt_ctf_notif_iter_status read_event_header_begin_state( | |
1125 | struct bt_ctf_notif_iter *notit) | |
1126 | { | |
1127 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1128 | struct bt_ctf_field_type *event_header_type = NULL; | |
1129 | ||
1130 | /* Check if we have some content left */ | |
1131 | if (notit->cur_content_size >= 0) { | |
1132 | if (packet_at(notit) == notit->cur_content_size) { | |
1133 | /* No more events! */ | |
fdf0e7a0 PP |
1134 | BT_LOGV("Reached end of packet: notit-addr=%p, " |
1135 | "cur=%zu", notit, packet_at(notit)); | |
e98a2d6e PP |
1136 | notit->state = STATE_EMIT_NOTIF_END_OF_PACKET; |
1137 | goto end; | |
1138 | } else if (packet_at(notit) > notit->cur_content_size) { | |
1139 | /* That's not supposed to happen */ | |
fdf0e7a0 PP |
1140 | BT_LOGV("Before decoding event header field: cursor is passed the packet's content: " |
1141 | "notit-addr=%p, content-size=%zu, " | |
1142 | "cur=%zu", notit, notit->cur_content_size, | |
1143 | packet_at(notit)); | |
e98a2d6e PP |
1144 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1145 | goto end; | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | event_header_type = bt_ctf_stream_class_get_event_header_type( | |
1150 | notit->meta.stream_class); | |
1151 | if (!event_header_type) { | |
835b2d10 | 1152 | notit->state = STATE_AFTER_STREAM_EVENT_HEADER; |
e98a2d6e PP |
1153 | goto end; |
1154 | } | |
1155 | ||
1156 | put_event_dscopes(notit); | |
fdf0e7a0 PP |
1157 | BT_LOGV("Decoding event header field: " |
1158 | "notit-addr=%p, stream-class-addr=%p, " | |
1159 | "stream-class-name=\"%s\", stream-class-id=%" PRId64 ", " | |
1160 | "ft-addr=%p", | |
1161 | notit, notit->meta.stream_class, | |
1162 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1163 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1164 | event_header_type); | |
e98a2d6e PP |
1165 | status = read_dscope_begin_state(notit, event_header_type, |
1166 | STATE_AFTER_STREAM_EVENT_HEADER, | |
1167 | STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE, | |
1168 | ¬it->dscopes.stream_event_header); | |
fdf0e7a0 PP |
1169 | if (status < 0) { |
1170 | BT_LOGW("Cannot decode event header field: " | |
1171 | "notit-addr=%p, stream-class-addr=%p, " | |
1172 | "stream-class-name=\"%s\", " | |
1173 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
1174 | notit, notit->meta.stream_class, | |
1175 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1176 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1177 | event_header_type); | |
1178 | } | |
e98a2d6e PP |
1179 | end: |
1180 | BT_PUT(event_header_type); | |
1181 | ||
1182 | return status; | |
1183 | } | |
1184 | ||
1185 | static | |
1186 | enum bt_ctf_notif_iter_status read_event_header_continue_state( | |
1187 | struct bt_ctf_notif_iter *notit) | |
1188 | { | |
1189 | return read_dscope_continue_state(notit, | |
1190 | STATE_AFTER_STREAM_EVENT_HEADER); | |
1191 | } | |
1192 | ||
1193 | static inline | |
1194 | enum bt_ctf_notif_iter_status set_current_event_class(struct bt_ctf_notif_iter *notit) | |
1195 | { | |
1196 | /* | |
1197 | * The assert() calls in this function are okay because it is | |
1198 | * assumed here that all the metadata objects have been | |
1199 | * validated for CTF correctness before decoding actual streams. | |
1200 | */ | |
1201 | ||
1202 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1203 | struct bt_ctf_field_type *event_header_type; | |
1204 | struct bt_ctf_field_type *id_field_type = NULL; | |
1205 | struct bt_ctf_field_type *v_field_type = NULL; | |
1206 | uint64_t event_id = -1ULL; | |
1207 | int ret; | |
1208 | ||
1209 | event_header_type = bt_ctf_stream_class_get_event_header_type( | |
1210 | notit->meta.stream_class); | |
1211 | if (!event_header_type) { | |
fdf0e7a0 PP |
1212 | /* |
1213 | * No event header, therefore no event class ID field, | |
1214 | * therefore only one event class. | |
1215 | */ | |
1216 | goto single_event_class; | |
e98a2d6e PP |
1217 | } |
1218 | ||
1219 | /* Is there any "id"/"v" field in the event header? */ | |
1220 | assert(is_struct_type(event_header_type)); | |
1221 | id_field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
1222 | event_header_type, "id"); | |
1223 | v_field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
1224 | event_header_type, "v"); | |
1225 | assert(notit->dscopes.stream_event_header); | |
1226 | if (v_field_type) { | |
1227 | /* | |
1228 | * _ _____ _____ | |
1229 | * | | |_ _|_ _| __ __ _ | |
1230 | * | | | | | || '_ \ / _` | | |
1231 | * | |___| | | || | | | (_| | S P E C I A L | |
1232 | * |_____|_| |_||_| |_|\__, | C A S E ™ | |
1233 | * |___/ | |
1234 | */ | |
1235 | struct bt_ctf_field *v_field = NULL; | |
1236 | struct bt_ctf_field *v_struct_field = NULL; | |
1237 | struct bt_ctf_field *v_struct_id_field = NULL; | |
1238 | ||
1239 | // TODO: optimalize! | |
1240 | v_field = bt_ctf_field_structure_get_field( | |
1241 | notit->dscopes.stream_event_header, "v"); | |
1242 | assert(v_field); | |
1243 | ||
1244 | v_struct_field = | |
1245 | bt_ctf_field_variant_get_current_field(v_field); | |
1246 | if (!v_struct_field) { | |
1247 | goto end_v_field_type; | |
1248 | } | |
1249 | ||
1250 | // TODO: optimalize! | |
1251 | v_struct_id_field = | |
1252 | bt_ctf_field_structure_get_field(v_struct_field, "id"); | |
1253 | if (!v_struct_id_field) { | |
1254 | goto end_v_field_type; | |
1255 | } | |
1256 | ||
fdf0e7a0 PP |
1257 | if (bt_ctf_field_is_integer(v_struct_id_field)) { |
1258 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1259 | v_struct_id_field, &event_id); | |
1260 | if (ret) { | |
1261 | BT_LOGV("Cannot get value of unsigned integer field (`id`): continuing: " | |
1262 | "notit=%p, field-addr=%p", | |
1263 | notit, v_struct_id_field); | |
1264 | event_id = -1ULL; | |
1265 | } | |
e98a2d6e PP |
1266 | } |
1267 | ||
1268 | end_v_field_type: | |
1269 | BT_PUT(v_field); | |
1270 | BT_PUT(v_struct_field); | |
1271 | BT_PUT(v_struct_id_field); | |
1272 | } | |
1273 | ||
1274 | if (id_field_type && event_id == -1ULL) { | |
1275 | /* Check "id" field */ | |
1276 | struct bt_ctf_field *id_field = NULL; | |
fdf0e7a0 | 1277 | int ret = 0; |
e98a2d6e PP |
1278 | |
1279 | // TODO: optimalize! | |
1280 | id_field = bt_ctf_field_structure_get_field( | |
1281 | notit->dscopes.stream_event_header, "id"); | |
fdf0e7a0 PP |
1282 | if (!id_field) { |
1283 | goto check_event_id; | |
1284 | } | |
e98a2d6e PP |
1285 | |
1286 | if (bt_ctf_field_is_integer(id_field)) { | |
1287 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1288 | id_field, &event_id); | |
fdf0e7a0 | 1289 | } else if (bt_ctf_field_is_enumeration(id_field)) { |
e98a2d6e PP |
1290 | struct bt_ctf_field *container; |
1291 | ||
1292 | container = bt_ctf_field_enumeration_get_container( | |
1293 | id_field); | |
1294 | assert(container); | |
1295 | ret = bt_ctf_field_unsigned_integer_get_value( | |
1296 | container, &event_id); | |
1297 | BT_PUT(container); | |
1298 | } | |
fdf0e7a0 PP |
1299 | |
1300 | assert(ret == 0); | |
e98a2d6e PP |
1301 | BT_PUT(id_field); |
1302 | } | |
1303 | ||
fdf0e7a0 | 1304 | check_event_id: |
e98a2d6e | 1305 | if (event_id == -1ULL) { |
fdf0e7a0 | 1306 | single_event_class: |
e98a2d6e PP |
1307 | /* Event ID not found: single event? */ |
1308 | assert(bt_ctf_stream_class_get_event_class_count( | |
1309 | notit->meta.stream_class) == 1); | |
1310 | event_id = 0; | |
1311 | } | |
1312 | ||
fdf0e7a0 PP |
1313 | BT_LOGV("Found event class ID to use: notit-addr=%p, " |
1314 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
1315 | "stream-class-id=%" PRId64 ", " | |
1316 | "event-class-id=%" PRIu64, | |
1317 | notit, notit->meta.stream_class, | |
1318 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1319 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1320 | event_id); | |
e98a2d6e PP |
1321 | BT_PUT(notit->meta.event_class); |
1322 | notit->meta.event_class = bt_ctf_stream_class_get_event_class_by_id( | |
1323 | notit->meta.stream_class, event_id); | |
1324 | if (!notit->meta.event_class) { | |
fdf0e7a0 PP |
1325 | BT_LOGW("No event class with ID of event class ID to use in stream class: " |
1326 | "notit-addr=%p, stream-class-addr=%p, " | |
1327 | "stream-class-name=\"%s\", " | |
1328 | "stream-class-id=%" PRId64 ", " | |
1329 | "event-class-id=%" PRIu64, | |
1330 | notit, notit->meta.stream_class, | |
1331 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1332 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1333 | event_id); | |
e98a2d6e PP |
1334 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
1335 | goto end; | |
1336 | } | |
1337 | ||
fdf0e7a0 PP |
1338 | BT_LOGV("Set current event class: " |
1339 | "notit-addr=%p, event-class-addr=%p, " | |
1340 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
1341 | notit, notit->meta.event_class, | |
1342 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1343 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
1344 | ||
e98a2d6e PP |
1345 | end: |
1346 | BT_PUT(event_header_type); | |
1347 | BT_PUT(id_field_type); | |
1348 | BT_PUT(v_field_type); | |
1349 | ||
1350 | return status; | |
1351 | } | |
1352 | ||
1353 | static | |
1354 | enum bt_ctf_notif_iter_status after_event_header_state( | |
1355 | struct bt_ctf_notif_iter *notit) | |
1356 | { | |
1357 | enum bt_ctf_notif_iter_status status; | |
1358 | ||
e98a2d6e PP |
1359 | status = set_current_event_class(notit); |
1360 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
e98a2d6e PP |
1361 | goto end; |
1362 | } | |
1363 | ||
1364 | notit->state = STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN; | |
1365 | ||
1366 | end: | |
1367 | return status; | |
1368 | } | |
1369 | ||
1370 | static | |
1371 | enum bt_ctf_notif_iter_status read_stream_event_context_begin_state( | |
1372 | struct bt_ctf_notif_iter *notit) | |
1373 | { | |
1374 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1375 | struct bt_ctf_field_type *stream_event_context_type; | |
1376 | ||
1377 | stream_event_context_type = bt_ctf_stream_class_get_event_context_type( | |
1378 | notit->meta.stream_class); | |
1379 | if (!stream_event_context_type) { | |
835b2d10 | 1380 | notit->state = STATE_DSCOPE_EVENT_CONTEXT_BEGIN; |
e98a2d6e PP |
1381 | goto end; |
1382 | } | |
1383 | ||
fdf0e7a0 PP |
1384 | BT_LOGV("Decoding stream event context field: " |
1385 | "notit-addr=%p, stream-class-addr=%p, " | |
1386 | "stream-class-name=\"%s\", stream-class-id=%" PRId64 ", " | |
1387 | "ft-addr=%p", | |
1388 | notit, notit->meta.stream_class, | |
1389 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1390 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1391 | stream_event_context_type); | |
e98a2d6e PP |
1392 | status = read_dscope_begin_state(notit, stream_event_context_type, |
1393 | STATE_DSCOPE_EVENT_CONTEXT_BEGIN, | |
1394 | STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE, | |
1395 | ¬it->dscopes.stream_event_context); | |
fdf0e7a0 PP |
1396 | if (status < 0) { |
1397 | BT_LOGW("Cannot decode stream event context field: " | |
1398 | "notit-addr=%p, stream-class-addr=%p, " | |
1399 | "stream-class-name=\"%s\", " | |
1400 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
1401 | notit, notit->meta.stream_class, | |
1402 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
1403 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
1404 | stream_event_context_type); | |
1405 | } | |
e98a2d6e PP |
1406 | |
1407 | end: | |
1408 | BT_PUT(stream_event_context_type); | |
1409 | ||
1410 | return status; | |
1411 | } | |
1412 | ||
1413 | static | |
1414 | enum bt_ctf_notif_iter_status read_stream_event_context_continue_state( | |
1415 | struct bt_ctf_notif_iter *notit) | |
1416 | { | |
1417 | return read_dscope_continue_state(notit, | |
1418 | STATE_DSCOPE_EVENT_CONTEXT_BEGIN); | |
1419 | } | |
1420 | ||
1421 | static | |
1422 | enum bt_ctf_notif_iter_status read_event_context_begin_state( | |
1423 | struct bt_ctf_notif_iter *notit) | |
1424 | { | |
1425 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1426 | struct bt_ctf_field_type *event_context_type; | |
1427 | ||
1428 | event_context_type = bt_ctf_event_class_get_context_type( | |
1429 | notit->meta.event_class); | |
1430 | if (!event_context_type) { | |
835b2d10 | 1431 | notit->state = STATE_DSCOPE_EVENT_PAYLOAD_BEGIN; |
e98a2d6e PP |
1432 | goto end; |
1433 | } | |
fdf0e7a0 PP |
1434 | |
1435 | BT_LOGV("Decoding event context field: " | |
1436 | "notit-addr=%p, event-class-addr=%p, " | |
1437 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
1438 | "ft-addr=%p", | |
1439 | notit, notit->meta.event_class, | |
1440 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1441 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1442 | event_context_type); | |
e98a2d6e PP |
1443 | status = read_dscope_begin_state(notit, event_context_type, |
1444 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN, | |
1445 | STATE_DSCOPE_EVENT_CONTEXT_CONTINUE, | |
1446 | ¬it->dscopes.event_context); | |
fdf0e7a0 PP |
1447 | if (status < 0) { |
1448 | BT_LOGW("Cannot decode event context field: " | |
1449 | "notit-addr=%p, event-class-addr=%p, " | |
1450 | "event-class-name=\"%s\", " | |
1451 | "event-class-id=%" PRId64 ", ft-addr=%p", | |
1452 | notit, notit->meta.event_class, | |
1453 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1454 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1455 | event_context_type); | |
1456 | } | |
e98a2d6e PP |
1457 | |
1458 | end: | |
1459 | BT_PUT(event_context_type); | |
1460 | ||
1461 | return status; | |
1462 | } | |
1463 | ||
1464 | static | |
1465 | enum bt_ctf_notif_iter_status read_event_context_continue_state( | |
1466 | struct bt_ctf_notif_iter *notit) | |
1467 | { | |
1468 | return read_dscope_continue_state(notit, | |
1469 | STATE_DSCOPE_EVENT_PAYLOAD_BEGIN); | |
1470 | } | |
1471 | ||
1472 | static | |
1473 | enum bt_ctf_notif_iter_status read_event_payload_begin_state( | |
1474 | struct bt_ctf_notif_iter *notit) | |
1475 | { | |
1476 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1477 | struct bt_ctf_field_type *event_payload_type; | |
1478 | ||
1479 | event_payload_type = bt_ctf_event_class_get_payload_type( | |
1480 | notit->meta.event_class); | |
1481 | if (!event_payload_type) { | |
835b2d10 | 1482 | notit->state = STATE_EMIT_NOTIF_EVENT; |
e98a2d6e PP |
1483 | goto end; |
1484 | } | |
1485 | ||
fdf0e7a0 PP |
1486 | BT_LOGV("Decoding event payload field: " |
1487 | "notit-addr=%p, event-class-addr=%p, " | |
1488 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " | |
1489 | "ft-addr=%p", | |
1490 | notit, notit->meta.event_class, | |
1491 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1492 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1493 | event_payload_type); | |
e98a2d6e PP |
1494 | status = read_dscope_begin_state(notit, event_payload_type, |
1495 | STATE_EMIT_NOTIF_EVENT, | |
1496 | STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE, | |
1497 | ¬it->dscopes.event_payload); | |
fdf0e7a0 PP |
1498 | if (status < 0) { |
1499 | BT_LOGW("Cannot decode event payload field: " | |
1500 | "notit-addr=%p, event-class-addr=%p, " | |
1501 | "event-class-name=\"%s\", " | |
1502 | "event-class-id=%" PRId64 ", ft-addr=%p", | |
1503 | notit, notit->meta.event_class, | |
1504 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
1505 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
1506 | event_payload_type); | |
1507 | } | |
e98a2d6e PP |
1508 | |
1509 | end: | |
1510 | BT_PUT(event_payload_type); | |
1511 | ||
1512 | return status; | |
1513 | } | |
1514 | ||
1515 | static | |
1516 | enum bt_ctf_notif_iter_status read_event_payload_continue_state( | |
1517 | struct bt_ctf_notif_iter *notit) | |
1518 | { | |
1519 | return read_dscope_continue_state(notit, STATE_EMIT_NOTIF_EVENT); | |
1520 | } | |
1521 | ||
1522 | static | |
1523 | enum bt_ctf_notif_iter_status skip_packet_padding_state( | |
1524 | struct bt_ctf_notif_iter *notit) | |
1525 | { | |
1526 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
1527 | size_t bits_to_skip; | |
1528 | ||
1529 | assert(notit->cur_packet_size > 0); | |
1530 | bits_to_skip = notit->cur_packet_size - packet_at(notit); | |
1531 | if (bits_to_skip == 0) { | |
1532 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1533 | goto end; | |
1534 | } else { | |
1535 | size_t bits_to_consume; | |
fdf0e7a0 PP |
1536 | |
1537 | BT_LOGV("Trying to skip %zu bits of padding: notit-addr=%p, size=%zu", | |
1538 | bits_to_skip, notit, bits_to_skip); | |
e98a2d6e PP |
1539 | status = buf_ensure_available_bits(notit); |
1540 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
1541 | goto end; | |
1542 | } | |
1543 | ||
1544 | bits_to_consume = MIN(buf_available_bits(notit), bits_to_skip); | |
fdf0e7a0 PP |
1545 | BT_LOGV("Skipping %zu bits of padding: notit-addr=%p, size=%zu", |
1546 | bits_to_consume, notit, bits_to_consume); | |
e98a2d6e PP |
1547 | buf_consume_bits(notit, bits_to_consume); |
1548 | bits_to_skip = notit->cur_packet_size - packet_at(notit); | |
1549 | if (bits_to_skip == 0) { | |
1550 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1551 | goto end; | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | end: | |
1556 | return status; | |
1557 | } | |
1558 | ||
1559 | static inline | |
1560 | enum bt_ctf_notif_iter_status handle_state(struct bt_ctf_notif_iter *notit) | |
1561 | { | |
1562 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
fdf0e7a0 | 1563 | const enum state state = notit->state; |
e98a2d6e | 1564 | |
fdf0e7a0 PP |
1565 | BT_LOGV("Handling state: notit-addr=%p, state=%s", |
1566 | notit, state_string(state)); | |
e98a2d6e PP |
1567 | |
1568 | // TODO: optimalize! | |
fdf0e7a0 | 1569 | switch (state) { |
e98a2d6e PP |
1570 | case STATE_INIT: |
1571 | notit->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN; | |
1572 | break; | |
1573 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
1574 | status = read_packet_header_begin_state(notit); | |
1575 | break; | |
1576 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
1577 | status = read_packet_header_continue_state(notit); | |
1578 | break; | |
1579 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
1580 | status = after_packet_header_state(notit); | |
1581 | break; | |
1582 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
1583 | status = read_packet_context_begin_state(notit); | |
1584 | break; | |
1585 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
1586 | status = read_packet_context_continue_state(notit); | |
1587 | break; | |
1588 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
1589 | status = after_packet_context_state(notit); | |
1590 | break; | |
1591 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
1592 | notit->state = STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN; | |
1593 | break; | |
1594 | case STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN: | |
1595 | status = read_event_header_begin_state(notit); | |
1596 | break; | |
1597 | case STATE_DSCOPE_STREAM_EVENT_HEADER_CONTINUE: | |
1598 | status = read_event_header_continue_state(notit); | |
1599 | break; | |
1600 | case STATE_AFTER_STREAM_EVENT_HEADER: | |
1601 | status = after_event_header_state(notit); | |
1602 | break; | |
1603 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_BEGIN: | |
1604 | status = read_stream_event_context_begin_state(notit); | |
1605 | break; | |
1606 | case STATE_DSCOPE_STREAM_EVENT_CONTEXT_CONTINUE: | |
1607 | status = read_stream_event_context_continue_state(notit); | |
1608 | break; | |
1609 | case STATE_DSCOPE_EVENT_CONTEXT_BEGIN: | |
1610 | status = read_event_context_begin_state(notit); | |
1611 | break; | |
1612 | case STATE_DSCOPE_EVENT_CONTEXT_CONTINUE: | |
1613 | status = read_event_context_continue_state(notit); | |
1614 | break; | |
1615 | case STATE_DSCOPE_EVENT_PAYLOAD_BEGIN: | |
1616 | status = read_event_payload_begin_state(notit); | |
1617 | break; | |
1618 | case STATE_DSCOPE_EVENT_PAYLOAD_CONTINUE: | |
1619 | status = read_event_payload_continue_state(notit); | |
1620 | break; | |
1621 | case STATE_EMIT_NOTIF_EVENT: | |
1622 | notit->state = STATE_DSCOPE_STREAM_EVENT_HEADER_BEGIN; | |
1623 | break; | |
1624 | case STATE_SKIP_PACKET_PADDING: | |
1625 | status = skip_packet_padding_state(notit); | |
1626 | break; | |
1627 | case STATE_EMIT_NOTIF_END_OF_PACKET: | |
1628 | notit->state = STATE_SKIP_PACKET_PADDING; | |
1629 | break; | |
fdf0e7a0 PP |
1630 | default: |
1631 | BT_LOGD("Unknown CTF plugin notification iterator state: " | |
1632 | "notit-addr=%p, state=%d", notit, notit->state); | |
1633 | abort(); | |
e98a2d6e PP |
1634 | } |
1635 | ||
fdf0e7a0 PP |
1636 | BT_LOGV("Handled state: notit-addr=%p, status=%s, " |
1637 | "prev-state=%s, cur-state=%s", | |
1638 | notit, bt_ctf_notif_iter_status_string(status), | |
1639 | state_string(state), state_string(notit->state)); | |
e98a2d6e PP |
1640 | return status; |
1641 | } | |
1642 | ||
2cf1d51e JG |
1643 | /** |
1644 | * Resets the internal state of a CTF notification iterator. | |
2cf1d51e JG |
1645 | */ |
1646 | static | |
e98a2d6e PP |
1647 | void bt_ctf_notif_iter_reset(struct bt_ctf_notif_iter *notit) |
1648 | { | |
1649 | assert(notit); | |
fdf0e7a0 | 1650 | BT_LOGD("Resetting notification iterator: addr=%p", notit); |
e98a2d6e PP |
1651 | stack_clear(notit->stack); |
1652 | BT_PUT(notit->meta.stream_class); | |
1653 | BT_PUT(notit->meta.event_class); | |
1654 | BT_PUT(notit->packet); | |
1655 | put_all_dscopes(notit); | |
1656 | notit->buf.addr = NULL; | |
1657 | notit->buf.sz = 0; | |
1658 | notit->buf.at = 0; | |
1659 | notit->buf.packet_offset = 0; | |
1660 | notit->state = STATE_INIT; | |
1661 | notit->cur_content_size = -1; | |
1662 | notit->cur_packet_size = -1; | |
1663 | } | |
1664 | ||
2cf1d51e JG |
1665 | static |
1666 | int bt_ctf_notif_iter_switch_packet(struct bt_ctf_notif_iter *notit) | |
1667 | { | |
1668 | int ret = 0; | |
1669 | ||
1670 | assert(notit); | |
fdf0e7a0 PP |
1671 | BT_LOGV("Switching packet: notit-addr=%p, cur=%zu", |
1672 | notit, notit->buf.at); | |
2cf1d51e JG |
1673 | stack_clear(notit->stack); |
1674 | BT_PUT(notit->meta.stream_class); | |
1675 | BT_PUT(notit->meta.event_class); | |
1676 | BT_PUT(notit->packet); | |
5f870343 | 1677 | BT_PUT(notit->cur_timestamp_end); |
2cf1d51e JG |
1678 | put_all_dscopes(notit); |
1679 | ||
1680 | /* | |
1681 | * Adjust current buffer so that addr points to the beginning of the new | |
1682 | * packet. | |
1683 | */ | |
1684 | if (notit->buf.addr) { | |
1685 | size_t consumed_bytes = (size_t) (notit->buf.at / CHAR_BIT); | |
1686 | ||
1687 | /* Packets are assumed to start on a byte frontier. */ | |
1688 | if (notit->buf.at % CHAR_BIT) { | |
fdf0e7a0 PP |
1689 | BT_LOGW("Cannot switch packet: current position is not a multiple of 8: " |
1690 | "notit-addr=%p, cur=%zu", notit, notit->buf.at); | |
2cf1d51e JG |
1691 | ret = -1; |
1692 | goto end; | |
1693 | } | |
1694 | ||
1695 | notit->buf.addr += consumed_bytes; | |
1696 | notit->buf.sz -= consumed_bytes; | |
1697 | notit->buf.at = 0; | |
1698 | notit->buf.packet_offset = 0; | |
fdf0e7a0 PP |
1699 | BT_LOGV("Adjusted buffer: addr=%p, size=%zu", |
1700 | notit->buf.addr, notit->buf.sz); | |
2cf1d51e JG |
1701 | } |
1702 | ||
1703 | notit->cur_content_size = -1; | |
1704 | notit->cur_packet_size = -1; | |
5f870343 | 1705 | notit->cur_sc_field_path_cache = NULL; |
fdf0e7a0 | 1706 | |
2cf1d51e JG |
1707 | end: |
1708 | return ret; | |
1709 | } | |
1710 | ||
e98a2d6e PP |
1711 | static |
1712 | struct bt_ctf_field *get_next_field(struct bt_ctf_notif_iter *notit) | |
1713 | { | |
1714 | struct bt_ctf_field *next_field = NULL; | |
1715 | struct bt_ctf_field *base_field; | |
1716 | struct bt_ctf_field_type *base_type; | |
1717 | size_t index; | |
1718 | ||
1719 | assert(!stack_empty(notit->stack)); | |
1720 | index = stack_top(notit->stack)->index; | |
1721 | base_field = stack_top(notit->stack)->base; | |
fdf0e7a0 | 1722 | assert(base_field); |
e98a2d6e | 1723 | base_type = bt_ctf_field_get_type(base_field); |
fdf0e7a0 | 1724 | assert(base_type); |
e98a2d6e PP |
1725 | |
1726 | switch (bt_ctf_field_type_get_type_id(base_type)) { | |
1487a16a | 1727 | case BT_CTF_FIELD_TYPE_ID_STRUCT: |
e98a2d6e PP |
1728 | next_field = bt_ctf_field_structure_get_field_by_index( |
1729 | base_field, index); | |
1730 | break; | |
1487a16a | 1731 | case BT_CTF_FIELD_TYPE_ID_ARRAY: |
e98a2d6e PP |
1732 | next_field = bt_ctf_field_array_get_field(base_field, index); |
1733 | break; | |
1487a16a | 1734 | case BT_CTF_FIELD_TYPE_ID_SEQUENCE: |
e98a2d6e PP |
1735 | next_field = bt_ctf_field_sequence_get_field(base_field, index); |
1736 | break; | |
1487a16a | 1737 | case BT_CTF_FIELD_TYPE_ID_VARIANT: |
e98a2d6e PP |
1738 | next_field = bt_ctf_field_variant_get_current_field(base_field); |
1739 | break; | |
1740 | default: | |
fdf0e7a0 PP |
1741 | BT_LOGF("Unknown base field type ID: " |
1742 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
1743 | notit, base_type, | |
1744 | bt_ctf_field_type_id_string( | |
1745 | bt_ctf_field_type_get_type_id(base_type))); | |
0fbb9a9f | 1746 | abort(); |
e98a2d6e PP |
1747 | } |
1748 | ||
e98a2d6e | 1749 | BT_PUT(base_type); |
e98a2d6e PP |
1750 | return next_field; |
1751 | } | |
1752 | ||
c44c3e70 JG |
1753 | static |
1754 | void update_clock_state(uint64_t *state, | |
1755 | struct bt_ctf_field *value_field) | |
1756 | { | |
1757 | struct bt_ctf_field_type *value_type = NULL; | |
1758 | uint64_t requested_new_value; | |
1759 | uint64_t requested_new_value_mask; | |
1760 | uint64_t cur_value_masked; | |
1761 | int requested_new_value_size; | |
1762 | int ret; | |
1763 | ||
1764 | value_type = bt_ctf_field_get_type(value_field); | |
1765 | assert(value_type); | |
fdf0e7a0 | 1766 | assert(bt_ctf_field_type_is_integer(value_type)); |
c44c3e70 JG |
1767 | requested_new_value_size = |
1768 | bt_ctf_field_type_integer_get_size(value_type); | |
1769 | assert(requested_new_value_size > 0); | |
c44c3e70 JG |
1770 | ret = bt_ctf_field_unsigned_integer_get_value(value_field, |
1771 | &requested_new_value); | |
1772 | assert(!ret); | |
1773 | ||
1774 | /* | |
1775 | * Special case for a 64-bit new value, which is the limit | |
1776 | * of a clock value as of this version: overwrite the | |
1777 | * current value directly. | |
1778 | */ | |
1779 | if (requested_new_value_size == 64) { | |
1780 | *state = requested_new_value; | |
1781 | goto end; | |
1782 | } | |
1783 | ||
1784 | requested_new_value_mask = (1ULL << requested_new_value_size) - 1; | |
1785 | cur_value_masked = *state & requested_new_value_mask; | |
1786 | ||
1787 | if (requested_new_value < cur_value_masked) { | |
1788 | /* | |
1789 | * It looks like a wrap happened on the number of bits | |
1790 | * of the requested new value. Assume that the clock | |
1791 | * value wrapped only one time. | |
1792 | */ | |
1793 | *state += requested_new_value_mask + 1; | |
1794 | } | |
1795 | ||
1796 | /* Clear the low bits of the current clock value. */ | |
1797 | *state &= ~requested_new_value_mask; | |
1798 | ||
1799 | /* Set the low bits of the current clock value. */ | |
1800 | *state |= requested_new_value; | |
1801 | end: | |
fdf0e7a0 PP |
1802 | BT_LOGV("Updated clock's value from integer field's value: " |
1803 | "value=%" PRIu64, *state); | |
c44c3e70 JG |
1804 | bt_put(value_type); |
1805 | } | |
1806 | ||
1807 | static | |
1808 | enum bt_ctf_btr_status update_clock(struct bt_ctf_notif_iter *notit, | |
c44c3e70 JG |
1809 | struct bt_ctf_field *int_field) |
1810 | { | |
ac0c6bdd | 1811 | gboolean clock_class_found; |
c44c3e70 | 1812 | uint64_t *clock_state; |
f45bfe88 | 1813 | struct bt_ctf_field_type *int_field_type = NULL; |
c44c3e70 | 1814 | enum bt_ctf_btr_status ret = BT_CTF_BTR_STATUS_OK; |
f45bfe88 | 1815 | struct bt_ctf_clock_class *clock_class = NULL; |
c44c3e70 | 1816 | |
f45bfe88 | 1817 | int_field_type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 1818 | assert(int_field_type); |
f45bfe88 PP |
1819 | clock_class = bt_ctf_field_type_integer_get_mapped_clock_class( |
1820 | int_field_type); | |
ac0c6bdd | 1821 | if (likely(!clock_class)) { |
f45bfe88 | 1822 | goto end; |
c44c3e70 JG |
1823 | } |
1824 | ||
ac0c6bdd | 1825 | clock_class_found = g_hash_table_lookup_extended(notit->clock_states, |
fdf0e7a0 | 1826 | clock_class, NULL, (gpointer) &clock_state); |
ac0c6bdd | 1827 | if (unlikely(!clock_class_found)) { |
c44c3e70 JG |
1828 | ret = BT_CTF_BTR_STATUS_ERROR; |
1829 | goto end; | |
1830 | } | |
1831 | ||
1832 | if (unlikely(!clock_state)) { | |
1833 | clock_state = g_new0(uint64_t, 1); | |
1834 | if (!clock_state) { | |
fdf0e7a0 | 1835 | BT_LOGE_STR("Failed to allocate a uint64_t."); |
c44c3e70 JG |
1836 | ret = BT_CTF_BTR_STATUS_ENOMEM; |
1837 | goto end; | |
1838 | } | |
fdf0e7a0 | 1839 | |
ac0c6bdd | 1840 | g_hash_table_insert(notit->clock_states, bt_get(clock_class), |
fdf0e7a0 | 1841 | clock_state); |
c44c3e70 JG |
1842 | } |
1843 | ||
1844 | /* Update the clock's state. */ | |
fdf0e7a0 PP |
1845 | BT_LOGV("Updating notification iterator's clock's value from integer field: " |
1846 | "notit-addr=%p, clock-class-addr=%p, " | |
1847 | "clock-class-name=\"%s\", value=%" PRIu64, | |
1848 | notit, clock_class, | |
1849 | bt_ctf_clock_class_get_name(clock_class), *clock_state); | |
c44c3e70 JG |
1850 | update_clock_state(clock_state, int_field); |
1851 | end: | |
f45bfe88 | 1852 | bt_put(int_field_type); |
ac0c6bdd | 1853 | bt_put(clock_class); |
c44c3e70 JG |
1854 | return ret; |
1855 | } | |
1856 | ||
e98a2d6e | 1857 | static |
5f870343 JG |
1858 | enum bt_ctf_btr_status btr_unsigned_int_common(uint64_t value, |
1859 | struct bt_ctf_field_type *type, void *data, | |
f45bfe88 | 1860 | struct bt_ctf_field **out_int_field) |
e98a2d6e PP |
1861 | { |
1862 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1863 | struct bt_ctf_field *field = NULL; | |
1864 | struct bt_ctf_field *int_field = NULL; | |
1865 | struct bt_ctf_notif_iter *notit = data; | |
1866 | int ret; | |
1867 | ||
fdf0e7a0 PP |
1868 | BT_LOGV("Common unsigned integer function called from BTR: " |
1869 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1870 | "ft-id=%s, value=%" PRIu64, | |
1871 | notit, notit->btr, type, | |
1872 | bt_ctf_field_type_id_string( | |
1873 | bt_ctf_field_type_get_type_id(type)), | |
1874 | value); | |
1875 | ||
5f870343 | 1876 | /* Create next field */ |
e98a2d6e PP |
1877 | field = get_next_field(notit); |
1878 | if (!field) { | |
fdf0e7a0 | 1879 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e | 1880 | status = BT_CTF_BTR_STATUS_ERROR; |
c44c3e70 | 1881 | goto end_no_put; |
e98a2d6e PP |
1882 | } |
1883 | ||
1884 | switch(bt_ctf_field_type_get_type_id(type)) { | |
1487a16a | 1885 | case BT_CTF_FIELD_TYPE_ID_INTEGER: |
e98a2d6e PP |
1886 | /* Integer field is created field */ |
1887 | BT_MOVE(int_field, field); | |
c44c3e70 | 1888 | bt_get(type); |
e98a2d6e | 1889 | break; |
1487a16a | 1890 | case BT_CTF_FIELD_TYPE_ID_ENUM: |
e98a2d6e | 1891 | int_field = bt_ctf_field_enumeration_get_container(field); |
fdf0e7a0 | 1892 | assert(int_field); |
c44c3e70 | 1893 | type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 1894 | assert(type); |
e98a2d6e PP |
1895 | break; |
1896 | default: | |
fdf0e7a0 PP |
1897 | BT_LOGF("Unexpected field type ID: " |
1898 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
1899 | notit, type, | |
1900 | bt_ctf_field_type_id_string( | |
1901 | bt_ctf_field_type_get_type_id(type))); | |
0fbb9a9f | 1902 | abort(); |
e98a2d6e PP |
1903 | } |
1904 | ||
fdf0e7a0 | 1905 | assert(int_field); |
5f870343 | 1906 | ret = bt_ctf_field_unsigned_integer_set_value(int_field, value); |
fdf0e7a0 | 1907 | assert(ret == 0); |
e98a2d6e | 1908 | stack_top(notit->stack)->index++; |
f45bfe88 | 1909 | *out_int_field = int_field; |
e98a2d6e | 1910 | BT_PUT(field); |
c44c3e70 | 1911 | BT_PUT(type); |
fdf0e7a0 | 1912 | |
c44c3e70 | 1913 | end_no_put: |
e98a2d6e PP |
1914 | return status; |
1915 | } | |
1916 | ||
5f870343 JG |
1917 | static |
1918 | enum bt_ctf_btr_status btr_timestamp_end_cb(void *value, | |
1919 | struct bt_ctf_field_type *type, void *data) | |
1920 | { | |
1921 | enum bt_ctf_btr_status status; | |
1922 | struct bt_ctf_field *field = NULL; | |
1923 | struct bt_ctf_notif_iter *notit = data; | |
1924 | ||
fdf0e7a0 PP |
1925 | BT_LOGV("`timestamp_end` unsigned integer function called from BTR: " |
1926 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1927 | "ft-id=%s", | |
1928 | notit, notit->btr, type, | |
1929 | bt_ctf_field_type_id_string( | |
1930 | bt_ctf_field_type_get_type_id(type))); | |
5f870343 JG |
1931 | status = btr_unsigned_int_common(*((uint64_t *) value), type, data, |
1932 | &field); | |
1933 | ||
1934 | /* Set as the current packet's timestamp_end field. */ | |
1935 | BT_MOVE(notit->cur_timestamp_end, field); | |
1936 | return status; | |
1937 | } | |
1938 | ||
e98a2d6e PP |
1939 | static |
1940 | enum bt_ctf_btr_status btr_unsigned_int_cb(uint64_t value, | |
1941 | struct bt_ctf_field_type *type, void *data) | |
5f870343 JG |
1942 | { |
1943 | struct bt_ctf_notif_iter *notit = data; | |
1944 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1945 | struct bt_ctf_field *field = NULL; | |
1946 | struct field_cb_override *override; | |
1947 | ||
fdf0e7a0 PP |
1948 | BT_LOGV("Unsigned integer function called from BTR: " |
1949 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1950 | "ft-id=%s, value=%" PRIu64, | |
1951 | notit, notit->btr, type, | |
1952 | bt_ctf_field_type_id_string( | |
1953 | bt_ctf_field_type_get_type_id(type)), | |
1954 | value); | |
1955 | override = g_hash_table_lookup(notit->field_overrides, type); | |
5f870343 | 1956 | if (unlikely(override)) { |
fdf0e7a0 | 1957 | /* Override function logs errors */ |
5f870343 JG |
1958 | status = override->func(&value, type, override->data); |
1959 | goto end; | |
1960 | } | |
1961 | ||
1962 | status = btr_unsigned_int_common(value, type, data, &field); | |
1963 | if (status != BT_CTF_BTR_STATUS_OK) { | |
fdf0e7a0 | 1964 | /* btr_unsigned_int_common() logs errors */ |
5f870343 JG |
1965 | goto end; |
1966 | } | |
1967 | ||
f45bfe88 | 1968 | status = update_clock(notit, field); |
5f870343 JG |
1969 | BT_PUT(field); |
1970 | end: | |
1971 | return status; | |
1972 | } | |
1973 | ||
1974 | static | |
1975 | enum bt_ctf_btr_status btr_signed_int_cb(int64_t value, | |
1976 | struct bt_ctf_field_type *type, void *data) | |
e98a2d6e PP |
1977 | { |
1978 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
1979 | struct bt_ctf_field *field = NULL; | |
1980 | struct bt_ctf_field *int_field = NULL; | |
1981 | struct bt_ctf_notif_iter *notit = data; | |
1982 | int ret; | |
1983 | ||
fdf0e7a0 PP |
1984 | BT_LOGV("Signed integer function called from BTR: " |
1985 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
1986 | "ft-id=%s, value=%" PRId64, | |
1987 | notit, notit->btr, type, | |
1988 | bt_ctf_field_type_id_string( | |
1989 | bt_ctf_field_type_get_type_id(type)), | |
1990 | value); | |
1991 | ||
5f870343 | 1992 | /* create next field */ |
e98a2d6e PP |
1993 | field = get_next_field(notit); |
1994 | if (!field) { | |
fdf0e7a0 | 1995 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e | 1996 | status = BT_CTF_BTR_STATUS_ERROR; |
c44c3e70 | 1997 | goto end_no_put; |
e98a2d6e PP |
1998 | } |
1999 | ||
2000 | switch(bt_ctf_field_type_get_type_id(type)) { | |
1487a16a | 2001 | case BT_CTF_FIELD_TYPE_ID_INTEGER: |
e98a2d6e PP |
2002 | /* Integer field is created field */ |
2003 | BT_MOVE(int_field, field); | |
c44c3e70 | 2004 | bt_get(type); |
e98a2d6e | 2005 | break; |
1487a16a | 2006 | case BT_CTF_FIELD_TYPE_ID_ENUM: |
e98a2d6e | 2007 | int_field = bt_ctf_field_enumeration_get_container(field); |
fdf0e7a0 | 2008 | assert(int_field); |
c44c3e70 | 2009 | type = bt_ctf_field_get_type(int_field); |
fdf0e7a0 | 2010 | assert(type); |
e98a2d6e PP |
2011 | break; |
2012 | default: | |
fdf0e7a0 PP |
2013 | BT_LOGF("Unexpected field type ID: " |
2014 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
2015 | notit, type, | |
2016 | bt_ctf_field_type_id_string( | |
2017 | bt_ctf_field_type_get_type_id(type))); | |
0fbb9a9f | 2018 | abort(); |
e98a2d6e PP |
2019 | } |
2020 | ||
fdf0e7a0 | 2021 | assert(int_field); |
5f870343 | 2022 | ret = bt_ctf_field_signed_integer_set_value(int_field, value); |
e98a2d6e PP |
2023 | assert(!ret); |
2024 | stack_top(notit->stack)->index++; | |
f45bfe88 | 2025 | status = update_clock(notit, int_field); |
e98a2d6e PP |
2026 | BT_PUT(field); |
2027 | BT_PUT(int_field); | |
c44c3e70 | 2028 | BT_PUT(type); |
fdf0e7a0 | 2029 | |
c44c3e70 | 2030 | end_no_put: |
e98a2d6e PP |
2031 | return status; |
2032 | } | |
2033 | ||
2034 | static | |
2035 | enum bt_ctf_btr_status btr_floating_point_cb(double value, | |
2036 | struct bt_ctf_field_type *type, void *data) | |
2037 | { | |
2038 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2039 | struct bt_ctf_field *field = NULL; | |
2040 | struct bt_ctf_notif_iter *notit = data; | |
2041 | int ret; | |
2042 | ||
fdf0e7a0 PP |
2043 | BT_LOGV("Floating point number function called from BTR: " |
2044 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2045 | "ft-id=%s, value=%f", | |
2046 | notit, notit->btr, type, | |
2047 | bt_ctf_field_type_id_string( | |
2048 | bt_ctf_field_type_get_type_id(type)), | |
2049 | value); | |
2050 | ||
e98a2d6e PP |
2051 | /* Create next field */ |
2052 | field = get_next_field(notit); | |
2053 | if (!field) { | |
fdf0e7a0 | 2054 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e PP |
2055 | status = BT_CTF_BTR_STATUS_ERROR; |
2056 | goto end; | |
2057 | } | |
2058 | ||
2059 | ret = bt_ctf_field_floating_point_set_value(field, value); | |
2060 | assert(!ret); | |
2061 | stack_top(notit->stack)->index++; | |
2062 | ||
2063 | end: | |
2064 | BT_PUT(field); | |
e98a2d6e PP |
2065 | return status; |
2066 | } | |
2067 | ||
2068 | static | |
2069 | enum bt_ctf_btr_status btr_string_begin_cb( | |
2070 | struct bt_ctf_field_type *type, void *data) | |
2071 | { | |
2072 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2073 | struct bt_ctf_field *field = NULL; | |
2074 | struct bt_ctf_notif_iter *notit = data; | |
2075 | int ret; | |
2076 | ||
fdf0e7a0 PP |
2077 | BT_LOGV("String (beginning) function called from BTR: " |
2078 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2079 | "ft-id=%s", | |
2080 | notit, notit->btr, type, | |
2081 | bt_ctf_field_type_id_string( | |
2082 | bt_ctf_field_type_get_type_id(type))); | |
2083 | ||
e98a2d6e PP |
2084 | /* Create next field */ |
2085 | field = get_next_field(notit); | |
2086 | if (!field) { | |
fdf0e7a0 | 2087 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); |
e98a2d6e PP |
2088 | status = BT_CTF_BTR_STATUS_ERROR; |
2089 | goto end; | |
2090 | } | |
2091 | ||
2092 | /* | |
2093 | * Push on stack. Not a compound type per se, but we know that only | |
2094 | * btr_string_cb() may be called between this call and a subsequent | |
2095 | * call to btr_string_end_cb(). | |
2096 | */ | |
2097 | ret = stack_push(notit->stack, field); | |
2098 | if (ret) { | |
fdf0e7a0 PP |
2099 | BT_LOGE("Cannot push string field on stack: " |
2100 | "notit-addr=%p, field-addr=%p", notit, field); | |
e98a2d6e PP |
2101 | status = BT_CTF_BTR_STATUS_ERROR; |
2102 | goto end; | |
2103 | } | |
2104 | ||
e5df2ae3 JG |
2105 | /* |
2106 | * Initialize string field payload to an empty string since in the | |
2107 | * case of a length 0 string the btr_string_cb won't be called and | |
2108 | * we will end up with an unset string payload. | |
2109 | */ | |
2110 | ret = bt_ctf_field_string_set_value(field, ""); | |
2111 | if (ret) { | |
fdf0e7a0 PP |
2112 | BT_LOGE("Cannot initialize string field's value to an empty string: " |
2113 | "notit-addr=%p, field-addr=%p, ret=%d", | |
2114 | notit, field, ret); | |
e5df2ae3 JG |
2115 | status = BT_CTF_BTR_STATUS_ERROR; |
2116 | goto end; | |
2117 | } | |
2118 | ||
e98a2d6e PP |
2119 | end: |
2120 | BT_PUT(field); | |
2121 | ||
2122 | return status; | |
2123 | } | |
2124 | ||
2125 | static | |
2126 | enum bt_ctf_btr_status btr_string_cb(const char *value, | |
2127 | size_t len, struct bt_ctf_field_type *type, void *data) | |
2128 | { | |
2129 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2130 | struct bt_ctf_field *field = NULL; | |
2131 | struct bt_ctf_notif_iter *notit = data; | |
2132 | int ret; | |
2133 | ||
fdf0e7a0 PP |
2134 | BT_LOGV("String (substring) function called from BTR: " |
2135 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2136 | "ft-id=%s, string-length=%zu", | |
2137 | notit, notit->btr, type, | |
2138 | bt_ctf_field_type_id_string( | |
2139 | bt_ctf_field_type_get_type_id(type)), | |
2140 | len); | |
2141 | ||
e98a2d6e PP |
2142 | /* Get string field */ |
2143 | field = stack_top(notit->stack)->base; | |
2144 | assert(field); | |
2145 | ||
2146 | /* Append current string */ | |
2147 | ret = bt_ctf_field_string_append_len(field, value, len); | |
2148 | if (ret) { | |
fdf0e7a0 PP |
2149 | BT_LOGE("Cannot append substring to string field's value: " |
2150 | "notit-addr=%p, field-addr=%p, string-length=%zu, " | |
2151 | "ret=%d", notit, field, len, ret); | |
e98a2d6e PP |
2152 | status = BT_CTF_BTR_STATUS_ERROR; |
2153 | goto end; | |
2154 | } | |
2155 | ||
2156 | end: | |
2157 | return status; | |
2158 | } | |
2159 | ||
2160 | static | |
2161 | enum bt_ctf_btr_status btr_string_end_cb( | |
2162 | struct bt_ctf_field_type *type, void *data) | |
2163 | { | |
2164 | struct bt_ctf_notif_iter *notit = data; | |
2165 | ||
fdf0e7a0 PP |
2166 | BT_LOGV("String (end) function called from BTR: " |
2167 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2168 | "ft-id=%s", | |
2169 | notit, notit->btr, type, | |
2170 | bt_ctf_field_type_id_string( | |
2171 | bt_ctf_field_type_get_type_id(type))); | |
2172 | ||
e98a2d6e PP |
2173 | /* Pop string field */ |
2174 | stack_pop(notit->stack); | |
2175 | ||
2176 | /* Go to next field */ | |
2177 | stack_top(notit->stack)->index++; | |
e98a2d6e PP |
2178 | return BT_CTF_BTR_STATUS_OK; |
2179 | } | |
2180 | ||
2181 | enum bt_ctf_btr_status btr_compound_begin_cb( | |
2182 | struct bt_ctf_field_type *type, void *data) | |
2183 | { | |
2184 | enum bt_ctf_btr_status status = BT_CTF_BTR_STATUS_OK; | |
2185 | struct bt_ctf_notif_iter *notit = data; | |
2186 | struct bt_ctf_field *field; | |
2187 | int ret; | |
2188 | ||
fdf0e7a0 PP |
2189 | BT_LOGV("Compound (beginning) function called from BTR: " |
2190 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2191 | "ft-id=%s", | |
2192 | notit, notit->btr, type, | |
2193 | bt_ctf_field_type_id_string( | |
2194 | bt_ctf_field_type_get_type_id(type))); | |
2195 | ||
e98a2d6e PP |
2196 | /* Create field */ |
2197 | if (stack_empty(notit->stack)) { | |
2198 | /* Root: create dynamic scope field */ | |
2199 | *notit->cur_dscope_field = bt_ctf_field_create(type); | |
2200 | field = *notit->cur_dscope_field; | |
2201 | ||
2202 | /* | |
2203 | * Field will be put at the end of this function | |
2204 | * (stack_push() will take one reference, but this | |
2205 | * reference is lost upon the equivalent stack_pop() | |
2206 | * later), so also get it for our context to own it. | |
2207 | */ | |
2208 | bt_get(*notit->cur_dscope_field); | |
fdf0e7a0 PP |
2209 | |
2210 | if (!field) { | |
2211 | BT_LOGE("Cannot create compound field: " | |
2212 | "notit-addr=%p, ft-addr=%p, ft-id=%s", | |
2213 | notit, type, | |
2214 | bt_ctf_field_type_id_string( | |
2215 | bt_ctf_field_type_get_type_id(type))); | |
2216 | status = BT_CTF_BTR_STATUS_ERROR; | |
2217 | goto end; | |
2218 | } | |
e98a2d6e PP |
2219 | } else { |
2220 | field = get_next_field(notit); | |
fdf0e7a0 PP |
2221 | if (!field) { |
2222 | BT_LOGW("Cannot get next field: notit-addr=%p", notit); | |
2223 | status = BT_CTF_BTR_STATUS_ERROR; | |
2224 | goto end; | |
2225 | } | |
e98a2d6e PP |
2226 | } |
2227 | ||
2228 | /* Push field */ | |
fdf0e7a0 | 2229 | assert(field); |
e98a2d6e PP |
2230 | ret = stack_push(notit->stack, field); |
2231 | if (ret) { | |
fdf0e7a0 PP |
2232 | BT_LOGE("Cannot push compound field onto the stack: " |
2233 | "notit-addr=%p, ft-addr=%p, ft-id=%s, ret=%d", | |
2234 | notit, type, | |
2235 | bt_ctf_field_type_id_string( | |
2236 | bt_ctf_field_type_get_type_id(type)), | |
2237 | ret); | |
e98a2d6e PP |
2238 | status = BT_CTF_BTR_STATUS_ERROR; |
2239 | goto end; | |
2240 | } | |
2241 | ||
2242 | end: | |
2243 | BT_PUT(field); | |
2244 | ||
2245 | return status; | |
2246 | } | |
2247 | ||
2248 | enum bt_ctf_btr_status btr_compound_end_cb( | |
2249 | struct bt_ctf_field_type *type, void *data) | |
2250 | { | |
2251 | struct bt_ctf_notif_iter *notit = data; | |
2252 | ||
fdf0e7a0 PP |
2253 | BT_LOGV("Compound (end) function called from BTR: " |
2254 | "notit-addr=%p, btr-addr=%p, ft-addr=%p, " | |
2255 | "ft-id=%s", | |
2256 | notit, notit->btr, type, | |
2257 | bt_ctf_field_type_id_string( | |
2258 | bt_ctf_field_type_get_type_id(type))); | |
e98a2d6e PP |
2259 | assert(!stack_empty(notit->stack)); |
2260 | ||
2261 | /* Pop stack */ | |
2262 | stack_pop(notit->stack); | |
2263 | ||
2264 | /* If the stack is not empty, increment the base's index */ | |
2265 | if (!stack_empty(notit->stack)) { | |
2266 | stack_top(notit->stack)->index++; | |
2267 | } | |
2268 | ||
2269 | return BT_CTF_BTR_STATUS_OK; | |
2270 | } | |
2271 | ||
2272 | static | |
2273 | struct bt_ctf_field *resolve_field(struct bt_ctf_notif_iter *notit, | |
2274 | struct bt_ctf_field_path *path) | |
2275 | { | |
2276 | struct bt_ctf_field *field = NULL; | |
2277 | unsigned int i; | |
2278 | ||
fdf0e7a0 PP |
2279 | if (BT_LOG_ON_VERBOSE) { |
2280 | GString *gstr = bt_ctf_field_path_string(path); | |
2281 | ||
2282 | BT_LOGV("Resolving field path: notit-addr=%p, field-path=\"%s\"", | |
2283 | notit, gstr ? gstr->str : NULL); | |
2284 | ||
2285 | if (gstr) { | |
2286 | g_string_free(gstr, TRUE); | |
2287 | } | |
2288 | } | |
2289 | ||
e98a2d6e PP |
2290 | switch (bt_ctf_field_path_get_root_scope(path)) { |
2291 | case BT_CTF_SCOPE_TRACE_PACKET_HEADER: | |
2292 | field = notit->dscopes.trace_packet_header; | |
2293 | break; | |
2294 | case BT_CTF_SCOPE_STREAM_PACKET_CONTEXT: | |
2295 | field = notit->dscopes.stream_packet_context; | |
2296 | break; | |
2297 | case BT_CTF_SCOPE_STREAM_EVENT_HEADER: | |
2298 | field = notit->dscopes.stream_event_header; | |
2299 | break; | |
2300 | case BT_CTF_SCOPE_STREAM_EVENT_CONTEXT: | |
2301 | field = notit->dscopes.stream_event_context; | |
2302 | break; | |
2303 | case BT_CTF_SCOPE_EVENT_CONTEXT: | |
2304 | field = notit->dscopes.event_context; | |
2305 | break; | |
2306 | case BT_CTF_SCOPE_EVENT_FIELDS: | |
2307 | field = notit->dscopes.event_payload; | |
2308 | break; | |
2309 | default: | |
fdf0e7a0 PP |
2310 | BT_LOGF("Cannot resolve field path: unknown scope: " |
2311 | "notit-addr=%p, root-scope=%s", | |
2312 | notit, bt_ctf_scope_string( | |
2313 | bt_ctf_field_path_get_root_scope(path))); | |
2314 | abort(); | |
e98a2d6e PP |
2315 | } |
2316 | ||
2317 | if (!field) { | |
fdf0e7a0 PP |
2318 | BT_LOGW("Cannot resolve field path: root field not found: " |
2319 | "notit-addr=%p, root-scope=%s", | |
2320 | notit, bt_ctf_scope_string( | |
2321 | bt_ctf_field_path_get_root_scope(path))); | |
e98a2d6e PP |
2322 | goto end; |
2323 | } | |
2324 | ||
2325 | bt_get(field); | |
2326 | ||
2327 | for (i = 0; i < bt_ctf_field_path_get_index_count(path); ++i) { | |
2328 | struct bt_ctf_field *next_field = NULL; | |
2329 | struct bt_ctf_field_type *field_type; | |
2330 | int index = bt_ctf_field_path_get_index(path, i); | |
2331 | ||
2332 | field_type = bt_ctf_field_get_type(field); | |
fdf0e7a0 | 2333 | assert(field_type); |
e98a2d6e PP |
2334 | |
2335 | if (is_struct_type(field_type)) { | |
2336 | next_field = bt_ctf_field_structure_get_field_by_index( | |
2337 | field, index); | |
2338 | } else if (is_variant_type(field_type)) { | |
2339 | next_field = | |
2340 | bt_ctf_field_variant_get_current_field(field); | |
2341 | } | |
2342 | ||
2343 | BT_PUT(field); | |
2344 | BT_PUT(field_type); | |
2345 | ||
2346 | if (!next_field) { | |
fdf0e7a0 PP |
2347 | BT_LOGW("Cannot find next field: " |
2348 | "notit-addr=%p, ft-addr=%p, ft-id=%s, index=%d", | |
2349 | notit, field_type, | |
2350 | bt_ctf_field_type_id_string( | |
2351 | bt_ctf_field_type_get_type_id(field_type)), | |
2352 | index); | |
e98a2d6e PP |
2353 | goto end; |
2354 | } | |
2355 | ||
2356 | /* Move next field -> field */ | |
2357 | BT_MOVE(field, next_field); | |
2358 | } | |
2359 | ||
2360 | end: | |
2361 | return field; | |
2362 | } | |
2363 | ||
2364 | static | |
2365 | int64_t btr_get_sequence_length_cb(struct bt_ctf_field_type *type, void *data) | |
2366 | { | |
2367 | int64_t ret = -1; | |
2368 | int iret; | |
fdf0e7a0 | 2369 | struct bt_ctf_field *seq_field; |
e98a2d6e PP |
2370 | struct bt_ctf_field_path *field_path; |
2371 | struct bt_ctf_notif_iter *notit = data; | |
2cf1d51e | 2372 | struct bt_ctf_field *length_field = NULL; |
e98a2d6e PP |
2373 | uint64_t length; |
2374 | ||
2375 | field_path = bt_ctf_field_type_sequence_get_length_field_path(type); | |
fdf0e7a0 | 2376 | assert(field_path); |
2cf1d51e JG |
2377 | length_field = resolve_field(notit, field_path); |
2378 | if (!length_field) { | |
fdf0e7a0 PP |
2379 | BT_LOGW("Cannot resolve sequence field type's length field path: " |
2380 | "notit-addr=%p, ft-addr=%p", | |
2381 | notit, type); | |
e98a2d6e PP |
2382 | goto end; |
2383 | } | |
2384 | ||
2cf1d51e | 2385 | iret = bt_ctf_field_unsigned_integer_get_value(length_field, &length); |
e98a2d6e | 2386 | if (iret) { |
fdf0e7a0 PP |
2387 | BT_LOGE("Cannot get value of sequence length field: " |
2388 | "notit-addr=%p, field-addr=%p", | |
2389 | notit, length_field); | |
e98a2d6e PP |
2390 | goto end; |
2391 | } | |
2392 | ||
fdf0e7a0 PP |
2393 | seq_field = stack_top(notit->stack)->base; |
2394 | iret = bt_ctf_field_sequence_set_length(seq_field, length_field); | |
2cf1d51e | 2395 | if (iret) { |
fdf0e7a0 PP |
2396 | BT_LOGE("Cannot set sequence field's length field: " |
2397 | "notit-addr=%p, seq-field-addr=%p, " | |
2398 | "length-field-addr=%p, ", | |
2399 | notit, seq_field, length_field); | |
2cf1d51e JG |
2400 | goto end; |
2401 | } | |
fdf0e7a0 | 2402 | |
e98a2d6e PP |
2403 | ret = (int64_t) length; |
2404 | ||
2405 | end: | |
2cf1d51e | 2406 | BT_PUT(length_field); |
e98a2d6e PP |
2407 | BT_PUT(field_path); |
2408 | ||
2409 | return ret; | |
2410 | } | |
2411 | ||
2412 | static | |
2413 | struct bt_ctf_field_type *btr_get_variant_type_cb( | |
2414 | struct bt_ctf_field_type *type, void *data) | |
2415 | { | |
2416 | struct bt_ctf_field_path *path; | |
2417 | struct bt_ctf_notif_iter *notit = data; | |
fdf0e7a0 | 2418 | struct bt_ctf_field *var_field; |
e98a2d6e PP |
2419 | struct bt_ctf_field *tag_field = NULL; |
2420 | struct bt_ctf_field *selected_field = NULL; | |
2421 | struct bt_ctf_field_type *selected_field_type = NULL; | |
2422 | ||
2423 | path = bt_ctf_field_type_variant_get_tag_field_path(type); | |
fdf0e7a0 | 2424 | assert(path); |
e98a2d6e PP |
2425 | tag_field = resolve_field(notit, path); |
2426 | if (!tag_field) { | |
fdf0e7a0 PP |
2427 | BT_LOGW("Cannot resolve variant field type's tag field path: " |
2428 | "notit-addr=%p, ft-addr=%p", | |
2429 | notit, type); | |
e98a2d6e PP |
2430 | goto end; |
2431 | } | |
2432 | ||
2433 | /* | |
2434 | * We found the enumeration tag field instance which should be | |
2435 | * able to select a current field for this variant. This | |
2436 | * callback function we're in is called _after_ | |
2437 | * compound_begin(), so the current stack top's base field is | |
2438 | * the variant field in question. We get the selected field here | |
2439 | * thanks to this tag field (thus creating the selected field), | |
2440 | * which will also provide us with its type. Then, this field | |
2441 | * will remain the current selected one until the next callback | |
2442 | * function call which is used to fill the current selected | |
2443 | * field. | |
2444 | */ | |
fdf0e7a0 PP |
2445 | var_field = stack_top(notit->stack)->base; |
2446 | selected_field = bt_ctf_field_variant_get_field(var_field, tag_field); | |
e98a2d6e | 2447 | if (!selected_field) { |
fdf0e7a0 PP |
2448 | BT_LOGW("Cannot get variant field's selection using tag field: " |
2449 | "notit-addr=%p, var-field-addr=%p, tag-field-addr=%p", | |
2450 | notit, var_field, tag_field); | |
e98a2d6e PP |
2451 | goto end; |
2452 | } | |
2453 | ||
2454 | selected_field_type = bt_ctf_field_get_type(selected_field); | |
2455 | ||
2456 | end: | |
2457 | BT_PUT(tag_field); | |
2458 | BT_PUT(selected_field); | |
f77ae72a | 2459 | BT_PUT(path); |
e98a2d6e PP |
2460 | |
2461 | return selected_field_type; | |
2462 | } | |
2463 | ||
1556a1af JG |
2464 | static |
2465 | int set_event_clocks(struct bt_ctf_event *event, | |
2466 | struct bt_ctf_notif_iter *notit) | |
2467 | { | |
2468 | int ret; | |
2469 | GHashTableIter iter; | |
ac0c6bdd | 2470 | struct bt_ctf_clock_class *clock_class; |
1556a1af JG |
2471 | uint64_t *clock_state; |
2472 | ||
2473 | g_hash_table_iter_init(&iter, notit->clock_states); | |
2474 | ||
ac0c6bdd | 2475 | while (g_hash_table_iter_next(&iter, (gpointer) &clock_class, |
1556a1af JG |
2476 | (gpointer) &clock_state)) { |
2477 | struct bt_ctf_clock_value *clock_value; | |
2478 | ||
ac0c6bdd PP |
2479 | clock_value = bt_ctf_clock_value_create(clock_class, |
2480 | *clock_state); | |
1556a1af | 2481 | if (!clock_value) { |
fdf0e7a0 PP |
2482 | BT_LOGE("Cannot create clock value from clock class: " |
2483 | "notit-addr=%p, clock-class-addr=%p, " | |
2484 | "clock-class-name=\"%s\"", | |
2485 | notit, clock_class, | |
2486 | bt_ctf_clock_class_get_name(clock_class)); | |
1556a1af JG |
2487 | ret = -1; |
2488 | goto end; | |
2489 | } | |
3f3c46b8 | 2490 | ret = bt_ctf_event_set_clock_value(event, clock_value); |
1556a1af JG |
2491 | bt_put(clock_value); |
2492 | if (ret) { | |
fdf0e7a0 PP |
2493 | struct bt_ctf_event_class *event_class = |
2494 | bt_ctf_event_get_class(event); | |
2495 | ||
2496 | assert(event_class); | |
2497 | BT_LOGE("Cannot set event's clock value: " | |
2498 | "notit-addr=%p, event-addr=%p, " | |
2499 | "event-class-name=\"%s\", " | |
2500 | "event-class-id=%" PRId64 ", " | |
2501 | "clock-class-addr=%p, " | |
2502 | "clock-class-name=\"%s\", " | |
2503 | "clock-value-addr=%p", | |
2504 | notit, event, | |
2505 | bt_ctf_event_class_get_name(event_class), | |
2506 | bt_ctf_event_class_get_id(event_class), | |
2507 | clock_class, | |
2508 | bt_ctf_clock_class_get_name(clock_class), | |
2509 | clock_value); | |
2510 | bt_put(event_class); | |
1556a1af JG |
2511 | goto end; |
2512 | } | |
2513 | } | |
fdf0e7a0 | 2514 | |
1556a1af JG |
2515 | ret = 0; |
2516 | end: | |
2517 | return ret; | |
2518 | } | |
2519 | ||
78586d8a JG |
2520 | static |
2521 | struct bt_ctf_event *create_event(struct bt_ctf_notif_iter *notit) | |
e98a2d6e | 2522 | { |
e98a2d6e | 2523 | int ret; |
78586d8a | 2524 | struct bt_ctf_event *event; |
e98a2d6e | 2525 | |
fdf0e7a0 PP |
2526 | BT_LOGV("Creating event for event notification: " |
2527 | "notit-addr=%p, event-class-addr=%p, " | |
2528 | "event-class-name=\"%s\", " | |
2529 | "event-class-id=%" PRId64, | |
2530 | notit, notit->meta.event_class, | |
2531 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2532 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
2533 | ||
78586d8a | 2534 | /* Create event object. */ |
e98a2d6e PP |
2535 | event = bt_ctf_event_create(notit->meta.event_class); |
2536 | if (!event) { | |
fdf0e7a0 PP |
2537 | BT_LOGE("Cannot create event: " |
2538 | "notit-addr=%p, event-class-addr=%p, " | |
2539 | "event-class-name=\"%s\", " | |
2540 | "event-class-id=%" PRId64, | |
2541 | notit, notit->meta.event_class, | |
2542 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2543 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
e98a2d6e PP |
2544 | goto error; |
2545 | } | |
2546 | ||
78586d8a | 2547 | /* Set header, stream event context, context, and payload fields. */ |
e98a2d6e PP |
2548 | ret = bt_ctf_event_set_header(event, |
2549 | notit->dscopes.stream_event_header); | |
2550 | if (ret) { | |
fdf0e7a0 PP |
2551 | BT_LOGE("Cannot set event's header field: " |
2552 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2553 | "event-class-name=\"%s\", " | |
2554 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2555 | notit, event, notit->meta.event_class, | |
2556 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2557 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2558 | notit->dscopes.stream_event_header); | |
e98a2d6e PP |
2559 | goto error; |
2560 | } | |
2561 | ||
2562 | ret = bt_ctf_event_set_stream_event_context(event, | |
2563 | notit->dscopes.stream_event_context); | |
2564 | if (ret) { | |
fdf0e7a0 PP |
2565 | BT_LOGE("Cannot set event's context field: " |
2566 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2567 | "event-class-name=\"%s\", " | |
2568 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2569 | notit, event, notit->meta.event_class, | |
2570 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2571 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2572 | notit->dscopes.stream_event_context); | |
e98a2d6e PP |
2573 | goto error; |
2574 | } | |
2575 | ||
2576 | ret = bt_ctf_event_set_event_context(event, | |
2577 | notit->dscopes.event_context); | |
2578 | if (ret) { | |
fdf0e7a0 PP |
2579 | BT_LOGE("Cannot set event's stream event context field: " |
2580 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2581 | "event-class-name=\"%s\", " | |
2582 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2583 | notit, event, notit->meta.event_class, | |
2584 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2585 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2586 | notit->dscopes.event_context); | |
e98a2d6e PP |
2587 | goto error; |
2588 | } | |
2589 | ||
9ac68eb1 | 2590 | ret = bt_ctf_event_set_event_payload(event, |
e98a2d6e PP |
2591 | notit->dscopes.event_payload); |
2592 | if (ret) { | |
fdf0e7a0 PP |
2593 | BT_LOGE("Cannot set event's payload field: " |
2594 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2595 | "event-class-name=\"%s\", " | |
2596 | "event-class-id=%" PRId64 ", field-addr=%p", | |
2597 | notit, event, notit->meta.event_class, | |
2598 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2599 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2600 | notit->dscopes.event_payload); | |
e98a2d6e PP |
2601 | goto error; |
2602 | } | |
2603 | ||
1556a1af JG |
2604 | ret = set_event_clocks(event, notit); |
2605 | if (ret) { | |
fdf0e7a0 PP |
2606 | BT_LOGE("Cannot set event's clock values: " |
2607 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2608 | "event-class-name=\"%s\", " | |
2609 | "event-class-id=%" PRId64, | |
2610 | notit, event, notit->meta.event_class, | |
2611 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2612 | bt_ctf_event_class_get_id(notit->meta.event_class)); | |
1556a1af JG |
2613 | goto error; |
2614 | } | |
2615 | ||
78586d8a | 2616 | /* Associate with current packet. */ |
e98a2d6e PP |
2617 | assert(notit->packet); |
2618 | ret = bt_ctf_event_set_packet(event, notit->packet); | |
2619 | if (ret) { | |
fdf0e7a0 PP |
2620 | BT_LOGE("Cannot set event's header field: " |
2621 | "notit-addr=%p, event-addr=%p, event-class-addr=%p, " | |
2622 | "event-class-name=\"%s\", " | |
2623 | "event-class-id=%" PRId64 ", packet-addr=%p", | |
2624 | notit, event, notit->meta.event_class, | |
2625 | bt_ctf_event_class_get_name(notit->meta.event_class), | |
2626 | bt_ctf_event_class_get_id(notit->meta.event_class), | |
2627 | notit->packet); | |
e98a2d6e PP |
2628 | goto error; |
2629 | } | |
2630 | ||
2631 | goto end; | |
fdf0e7a0 | 2632 | |
e98a2d6e PP |
2633 | error: |
2634 | BT_PUT(event); | |
fdf0e7a0 | 2635 | |
e98a2d6e PP |
2636 | end: |
2637 | return event; | |
2638 | } | |
2639 | ||
78586d8a JG |
2640 | static |
2641 | void create_packet(struct bt_ctf_notif_iter *notit) | |
e98a2d6e PP |
2642 | { |
2643 | int ret; | |
2644 | struct bt_ctf_stream *stream = NULL; | |
2645 | struct bt_ctf_packet *packet = NULL; | |
2646 | ||
fdf0e7a0 PP |
2647 | BT_LOGV("Creating packet for packet notification: " |
2648 | "notit-addr=%p", notit); | |
2649 | ||
e98a2d6e | 2650 | /* Ask the user for the stream */ |
fdf0e7a0 PP |
2651 | BT_LOGV("Calling user function (get stream): notit-addr=%p, " |
2652 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
2653 | "stream-class-id=%" PRId64, | |
2654 | notit, notit->meta.stream_class, | |
2655 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2656 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
e98a2d6e | 2657 | stream = notit->medium.medops.get_stream(notit->meta.stream_class, |
78586d8a | 2658 | notit->medium.data); |
fdf0e7a0 PP |
2659 | BT_LOGV("User function returned: stream-addr=%p", |
2660 | stream); | |
e98a2d6e | 2661 | if (!stream) { |
fdf0e7a0 | 2662 | BT_LOGW_STR("User function failed to return a stream object for the given stream class."); |
e98a2d6e PP |
2663 | goto error; |
2664 | } | |
2665 | ||
fdf0e7a0 PP |
2666 | BT_LOGV("Creating packet from stream: " |
2667 | "notit-addr=%p, stream-addr=%p, " | |
2668 | "stream-class-addr=%p, " | |
2669 | "stream-class-name=\"%s\", " | |
2670 | "stream-class-id=%" PRId64, | |
2671 | notit, stream, notit->meta.stream_class, | |
2672 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2673 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
2674 | ||
e98a2d6e PP |
2675 | /* Create packet */ |
2676 | packet = bt_ctf_packet_create(stream); | |
2677 | if (!packet) { | |
fdf0e7a0 PP |
2678 | BT_LOGE("Cannot create packet from stream: " |
2679 | "notit-addr=%p, stream-addr=%p, " | |
2680 | "stream-class-addr=%p, " | |
2681 | "stream-class-name=\"%s\", " | |
2682 | "stream-class-id=%" PRId64, | |
2683 | notit, stream, notit->meta.stream_class, | |
2684 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2685 | bt_ctf_stream_class_get_id(notit->meta.stream_class)); | |
e98a2d6e PP |
2686 | goto error; |
2687 | } | |
2688 | ||
2689 | /* Set packet's context and header fields */ | |
2690 | if (notit->dscopes.trace_packet_header) { | |
2691 | ret = bt_ctf_packet_set_header(packet, | |
fdf0e7a0 | 2692 | notit->dscopes.trace_packet_header); |
e98a2d6e | 2693 | if (ret) { |
fdf0e7a0 PP |
2694 | BT_LOGE("Cannot set packet's header field: " |
2695 | "notit-addr=%p, packet-addr=%p, " | |
2696 | "stream-addr=%p, " | |
2697 | "stream-class-addr=%p, " | |
2698 | "stream-class-name=\"%s\", " | |
2699 | "stream-class-id=%" PRId64 ", " | |
2700 | "field-addr=%p", | |
2701 | notit, packet, stream, notit->meta.stream_class, | |
2702 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2703 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
2704 | notit->dscopes.trace_packet_header); | |
e98a2d6e PP |
2705 | goto error; |
2706 | } | |
2707 | } | |
2708 | ||
2709 | if (notit->dscopes.stream_packet_context) { | |
2710 | ret = bt_ctf_packet_set_context(packet, | |
fdf0e7a0 | 2711 | notit->dscopes.stream_packet_context); |
e98a2d6e | 2712 | if (ret) { |
fdf0e7a0 PP |
2713 | BT_LOGE("Cannot set packet's context field: " |
2714 | "notit-addr=%p, packet-addr=%p, " | |
2715 | "stream-addr=%p, " | |
2716 | "stream-class-addr=%p, " | |
2717 | "stream-class-name=\"%s\", " | |
2718 | "stream-class-id=%" PRId64 ", " | |
2719 | "field-addr=%p", | |
2720 | notit, packet, stream, notit->meta.stream_class, | |
2721 | bt_ctf_stream_class_get_name(notit->meta.stream_class), | |
2722 | bt_ctf_stream_class_get_id(notit->meta.stream_class), | |
2723 | notit->dscopes.trace_packet_header); | |
e98a2d6e PP |
2724 | goto error; |
2725 | } | |
2726 | } | |
2727 | ||
2728 | goto end; | |
fdf0e7a0 | 2729 | |
e98a2d6e PP |
2730 | error: |
2731 | BT_PUT(packet); | |
fdf0e7a0 | 2732 | |
e98a2d6e PP |
2733 | end: |
2734 | BT_MOVE(notit->packet, packet); | |
2735 | } | |
2736 | ||
78586d8a JG |
2737 | static |
2738 | void notify_new_packet(struct bt_ctf_notif_iter *notit, | |
2739 | struct bt_notification **notification) | |
e98a2d6e | 2740 | { |
78586d8a | 2741 | struct bt_notification *ret; |
e98a2d6e | 2742 | |
78586d8a | 2743 | /* Initialize the iterator's current packet */ |
e98a2d6e PP |
2744 | create_packet(notit); |
2745 | if (!notit->packet) { | |
fdf0e7a0 PP |
2746 | BT_LOGE("Cannot create packet for packet notification: " |
2747 | "notit-addr=%p", notit); | |
78586d8a | 2748 | return; |
e98a2d6e PP |
2749 | } |
2750 | ||
ea0e619e | 2751 | ret = bt_notification_packet_begin_create(notit->packet); |
78586d8a | 2752 | if (!ret) { |
fdf0e7a0 PP |
2753 | BT_LOGE("Cannot create packet beginning notification: " |
2754 | "notit-addr=%p, packet-addr=%p", | |
2755 | notit, notit->packet); | |
78586d8a JG |
2756 | return; |
2757 | } | |
2758 | *notification = ret; | |
e98a2d6e PP |
2759 | } |
2760 | ||
78586d8a JG |
2761 | static |
2762 | void notify_end_of_packet(struct bt_ctf_notif_iter *notit, | |
2763 | struct bt_notification **notification) | |
e98a2d6e | 2764 | { |
78586d8a | 2765 | struct bt_notification *ret; |
e98a2d6e | 2766 | |
e98a2d6e | 2767 | if (!notit->packet) { |
78586d8a | 2768 | return; |
e98a2d6e PP |
2769 | } |
2770 | ||
78586d8a JG |
2771 | ret = bt_notification_packet_end_create(notit->packet); |
2772 | if (!ret) { | |
fdf0e7a0 PP |
2773 | BT_LOGE("Cannot create packet end notification: " |
2774 | "notit-addr=%p, packet-addr=%p", | |
2775 | notit, notit->packet); | |
78586d8a JG |
2776 | return; |
2777 | } | |
2778 | BT_PUT(notit->packet); | |
2779 | *notification = ret; | |
e98a2d6e PP |
2780 | } |
2781 | ||
78586d8a JG |
2782 | static |
2783 | void notify_event(struct bt_ctf_notif_iter *notit, | |
0982a26d | 2784 | struct bt_clock_class_priority_map *cc_prio_map, |
78586d8a | 2785 | struct bt_notification **notification) |
e98a2d6e | 2786 | { |
78586d8a JG |
2787 | struct bt_ctf_event *event; |
2788 | struct bt_notification *ret = NULL; | |
e98a2d6e PP |
2789 | |
2790 | /* Create event */ | |
2791 | event = create_event(notit); | |
2792 | if (!event) { | |
fdf0e7a0 PP |
2793 | BT_LOGE("Cannot create event for event notification: " |
2794 | "notit-addr=%p", notit); | |
78586d8a | 2795 | goto end; |
e98a2d6e | 2796 | } |
e98a2d6e | 2797 | |
0982a26d | 2798 | ret = bt_notification_event_create(event, cc_prio_map); |
78586d8a | 2799 | if (!ret) { |
fdf0e7a0 PP |
2800 | BT_LOGE("Cannot create event notification: " |
2801 | "notit-addr=%p, event-addr=%p, " | |
2802 | "cc-prio-map-addr=%p", | |
2803 | notit, event, cc_prio_map); | |
78586d8a | 2804 | goto end; |
e98a2d6e | 2805 | } |
78586d8a JG |
2806 | *notification = ret; |
2807 | end: | |
2808 | BT_PUT(event); | |
e98a2d6e PP |
2809 | } |
2810 | ||
c44c3e70 JG |
2811 | static |
2812 | int init_clock_states(GHashTable *clock_states, struct bt_ctf_trace *trace) | |
2813 | { | |
ac0c6bdd | 2814 | int clock_class_count, i, ret = 0; |
c44c3e70 | 2815 | |
fdf0e7a0 | 2816 | assert(trace); |
ac0c6bdd | 2817 | clock_class_count = bt_ctf_trace_get_clock_class_count(trace); |
fdf0e7a0 | 2818 | assert(clock_class_count >= 0); |
c44c3e70 | 2819 | |
ac0c6bdd PP |
2820 | for (i = 0; i < clock_class_count; i++) { |
2821 | struct bt_ctf_clock_class *clock_class; | |
c44c3e70 | 2822 | |
9ac68eb1 | 2823 | clock_class = bt_ctf_trace_get_clock_class_by_index(trace, i); |
fdf0e7a0 | 2824 | assert(clock_class); |
ac0c6bdd PP |
2825 | g_hash_table_insert(clock_states, bt_get(clock_class), NULL); |
2826 | bt_put(clock_class); | |
c44c3e70 | 2827 | } |
fdf0e7a0 | 2828 | |
c44c3e70 JG |
2829 | return ret; |
2830 | } | |
2831 | ||
5f870343 JG |
2832 | static |
2833 | void init_trace_field_path_cache(struct bt_ctf_trace *trace, | |
2834 | struct trace_field_path_cache *trace_field_path_cache) | |
2835 | { | |
2836 | int stream_id = -1; | |
2837 | int stream_instance_id = -1; | |
2838 | int i, count; | |
2839 | struct bt_ctf_field_type *packet_header = NULL; | |
2840 | ||
2841 | packet_header = bt_ctf_trace_get_packet_header_type(trace); | |
2842 | if (!packet_header) { | |
2843 | goto end; | |
2844 | } | |
2845 | ||
2846 | if (!bt_ctf_field_type_is_structure(packet_header)) { | |
2847 | goto end; | |
2848 | } | |
2849 | ||
2850 | count = bt_ctf_field_type_structure_get_field_count(packet_header); | |
fdf0e7a0 | 2851 | assert(count >= 0); |
5f870343 JG |
2852 | |
2853 | for (i = 0; (i < count && (stream_id == -1 || stream_instance_id == -1)); i++) { | |
2854 | int ret; | |
2855 | const char *field_name; | |
2856 | ||
2857 | ret = bt_ctf_field_type_structure_get_field(packet_header, | |
2858 | &field_name, NULL, i); | |
2859 | if (ret) { | |
fdf0e7a0 PP |
2860 | BT_LOGE("Cannot get structure field's field: " |
2861 | "field-addr=%p, index=%d", | |
2862 | packet_header, i); | |
5f870343 JG |
2863 | goto end; |
2864 | } | |
2865 | ||
2866 | if (stream_id == -1 && !strcmp(field_name, "stream_id")) { | |
2867 | stream_id = i; | |
2868 | } else if (stream_instance_id == -1 && | |
2869 | !strcmp(field_name, "stream_instance_id")) { | |
2870 | stream_instance_id = i; | |
2871 | } | |
2872 | } | |
fdf0e7a0 | 2873 | |
5f870343 JG |
2874 | end: |
2875 | trace_field_path_cache->stream_id = stream_id; | |
2876 | trace_field_path_cache->stream_instance_id = stream_instance_id; | |
2877 | BT_PUT(packet_header); | |
2878 | } | |
2879 | ||
c44c3e70 | 2880 | BT_HIDDEN |
e98a2d6e PP |
2881 | struct bt_ctf_notif_iter *bt_ctf_notif_iter_create(struct bt_ctf_trace *trace, |
2882 | size_t max_request_sz, | |
55314f2a | 2883 | struct bt_ctf_notif_iter_medium_ops medops, void *data) |
e98a2d6e | 2884 | { |
c44c3e70 | 2885 | int ret; |
e98a2d6e PP |
2886 | struct bt_ctf_notif_iter *notit = NULL; |
2887 | struct bt_ctf_btr_cbs cbs = { | |
2888 | .types = { | |
2889 | .signed_int = btr_signed_int_cb, | |
2890 | .unsigned_int = btr_unsigned_int_cb, | |
2891 | .floating_point = btr_floating_point_cb, | |
2892 | .string_begin = btr_string_begin_cb, | |
2893 | .string = btr_string_cb, | |
2894 | .string_end = btr_string_end_cb, | |
2895 | .compound_begin = btr_compound_begin_cb, | |
2896 | .compound_end = btr_compound_end_cb, | |
2897 | }, | |
2898 | .query = { | |
2899 | .get_sequence_length = btr_get_sequence_length_cb, | |
2900 | .get_variant_type = btr_get_variant_type_cb, | |
2901 | }, | |
2902 | }; | |
2903 | ||
2904 | assert(trace); | |
2905 | assert(medops.request_bytes); | |
f3985ab1 | 2906 | assert(medops.get_stream); |
fdf0e7a0 PP |
2907 | BT_LOGD("Creating CTF plugin notification iterator: " |
2908 | "trace-addr=%p, trace-name=\"%s\", max-request-size=%zu, " | |
2909 | "data=%p", | |
2910 | trace, bt_ctf_trace_get_name(trace), max_request_sz, data); | |
e98a2d6e PP |
2911 | notit = g_new0(struct bt_ctf_notif_iter, 1); |
2912 | if (!notit) { | |
fdf0e7a0 | 2913 | BT_LOGE_STR("Failed to allocate one CTF plugin notification iterator."); |
e98a2d6e PP |
2914 | goto end; |
2915 | } | |
c44c3e70 | 2916 | notit->clock_states = g_hash_table_new_full(g_direct_hash, |
fdf0e7a0 | 2917 | g_direct_equal, bt_put, g_free); |
c44c3e70 | 2918 | if (!notit->clock_states) { |
fdf0e7a0 | 2919 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
c44c3e70 JG |
2920 | goto error; |
2921 | } | |
2922 | ret = init_clock_states(notit->clock_states, trace); | |
2923 | if (ret) { | |
fdf0e7a0 | 2924 | BT_LOGW("Cannot initialize clock values."); |
c44c3e70 JG |
2925 | goto error; |
2926 | } | |
35d47007 | 2927 | notit->meta.trace = bt_get(trace); |
e98a2d6e PP |
2928 | notit->medium.medops = medops; |
2929 | notit->medium.max_request_sz = max_request_sz; | |
2930 | notit->medium.data = data; | |
e98a2d6e PP |
2931 | notit->stack = stack_new(notit); |
2932 | if (!notit->stack) { | |
fdf0e7a0 | 2933 | BT_LOGE_STR("Failed to create field stack."); |
c44c3e70 | 2934 | goto error; |
e98a2d6e PP |
2935 | } |
2936 | ||
55314f2a | 2937 | notit->btr = bt_ctf_btr_create(cbs, notit); |
e98a2d6e | 2938 | if (!notit->btr) { |
fdf0e7a0 | 2939 | BT_LOGE_STR("Failed to create binary type reader (BTR)."); |
c44c3e70 | 2940 | goto error; |
e98a2d6e PP |
2941 | } |
2942 | ||
2943 | bt_ctf_notif_iter_reset(notit); | |
5f870343 JG |
2944 | init_trace_field_path_cache(trace, ¬it->trace_field_path_cache); |
2945 | notit->sc_field_path_caches = g_hash_table_new_full(g_direct_hash, | |
fdf0e7a0 | 2946 | g_direct_equal, bt_put, g_free); |
5f870343 | 2947 | if (!notit->sc_field_path_caches) { |
fdf0e7a0 | 2948 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
5f870343 JG |
2949 | goto error; |
2950 | } | |
2951 | ||
2952 | notit->field_overrides = g_hash_table_new_full(g_direct_hash, | |
fdf0e7a0 | 2953 | g_direct_equal, bt_put, g_free); |
5f870343 | 2954 | if (!notit->field_overrides) { |
fdf0e7a0 | 2955 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
5f870343 JG |
2956 | goto error; |
2957 | } | |
2958 | ||
fdf0e7a0 PP |
2959 | BT_LOGD("Created CTF plugin notification iterator: " |
2960 | "trace-addr=%p, trace-name=\"%s\", max-request-size=%zu, " | |
2961 | "data=%p, notit-addr=%p", | |
2962 | trace, bt_ctf_trace_get_name(trace), max_request_sz, data, | |
2963 | notit); | |
2964 | ||
e98a2d6e PP |
2965 | end: |
2966 | return notit; | |
fdf0e7a0 | 2967 | |
c44c3e70 JG |
2968 | error: |
2969 | bt_ctf_notif_iter_destroy(notit); | |
2970 | notit = NULL; | |
2971 | goto end; | |
e98a2d6e PP |
2972 | } |
2973 | ||
2974 | void bt_ctf_notif_iter_destroy(struct bt_ctf_notif_iter *notit) | |
2975 | { | |
2976 | BT_PUT(notit->meta.trace); | |
2977 | BT_PUT(notit->meta.stream_class); | |
2978 | BT_PUT(notit->meta.event_class); | |
2979 | BT_PUT(notit->packet); | |
5f870343 | 2980 | BT_PUT(notit->cur_timestamp_end); |
e98a2d6e PP |
2981 | put_all_dscopes(notit); |
2982 | ||
fdf0e7a0 PP |
2983 | BT_LOGD("Destroying CTF plugin notification iterator: addr=%p", notit); |
2984 | ||
e98a2d6e | 2985 | if (notit->stack) { |
fdf0e7a0 | 2986 | BT_LOGD_STR("Destroying field stack."); |
e98a2d6e PP |
2987 | stack_destroy(notit->stack); |
2988 | } | |
2989 | ||
2990 | if (notit->btr) { | |
fdf0e7a0 | 2991 | BT_LOGD("Destroying BTR: btr-addr=%p", notit->btr); |
e98a2d6e PP |
2992 | bt_ctf_btr_destroy(notit->btr); |
2993 | } | |
2994 | ||
c44c3e70 JG |
2995 | if (notit->clock_states) { |
2996 | g_hash_table_destroy(notit->clock_states); | |
2997 | } | |
5f870343 JG |
2998 | |
2999 | if (notit->sc_field_path_caches) { | |
3000 | g_hash_table_destroy(notit->sc_field_path_caches); | |
3001 | } | |
3002 | ||
3003 | if (notit->field_overrides) { | |
3004 | g_hash_table_destroy(notit->field_overrides); | |
3005 | } | |
fdf0e7a0 | 3006 | |
e98a2d6e PP |
3007 | g_free(notit); |
3008 | } | |
3009 | ||
3010 | enum bt_ctf_notif_iter_status bt_ctf_notif_iter_get_next_notification( | |
3011 | struct bt_ctf_notif_iter *notit, | |
0982a26d | 3012 | struct bt_clock_class_priority_map *cc_prio_map, |
78586d8a | 3013 | struct bt_notification **notification) |
e98a2d6e PP |
3014 | { |
3015 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
3016 | ||
3017 | assert(notit); | |
3018 | assert(notification); | |
3019 | ||
fdf0e7a0 PP |
3020 | BT_LOGV("Getting next notification: notit-addr=%p, cc-prio-map-addr=%p", |
3021 | notit, cc_prio_map); | |
3022 | ||
e98a2d6e PP |
3023 | while (true) { |
3024 | status = handle_state(notit); | |
7cdc2bab | 3025 | if (status == BT_CTF_NOTIF_ITER_STATUS_AGAIN) { |
fdf0e7a0 | 3026 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_AGAIN."); |
7cdc2bab MD |
3027 | goto end; |
3028 | } | |
e98a2d6e PP |
3029 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { |
3030 | if (status == BT_CTF_NOTIF_ITER_STATUS_EOF) { | |
fdf0e7a0 | 3031 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_EOF."); |
e98a2d6e | 3032 | } else { |
fdf0e7a0 PP |
3033 | BT_LOGW("Cannot handle state: " |
3034 | "notit-addr=%p, state=%s", | |
3035 | notit, state_string(notit->state)); | |
e98a2d6e PP |
3036 | } |
3037 | goto end; | |
3038 | } | |
3039 | ||
3040 | switch (notit->state) { | |
3041 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
fdf0e7a0 | 3042 | /* notify_new_packet() logs errors */ |
e98a2d6e PP |
3043 | notify_new_packet(notit, notification); |
3044 | if (!*notification) { | |
3045 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3046 | } | |
3047 | goto end; | |
3048 | case STATE_EMIT_NOTIF_EVENT: | |
fdf0e7a0 | 3049 | /* notify_event() logs errors */ |
0982a26d | 3050 | notify_event(notit, cc_prio_map, notification); |
e98a2d6e PP |
3051 | if (!*notification) { |
3052 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3053 | } | |
3054 | goto end; | |
3055 | case STATE_EMIT_NOTIF_END_OF_PACKET: | |
5f870343 JG |
3056 | /* Update clock with timestamp_end field. */ |
3057 | if (notit->cur_timestamp_end) { | |
3058 | enum bt_ctf_btr_status btr_status; | |
3059 | struct bt_ctf_field_type *field_type = | |
3060 | bt_ctf_field_get_type( | |
3061 | notit->cur_timestamp_end); | |
3062 | ||
fdf0e7a0 | 3063 | assert(field_type); |
f45bfe88 PP |
3064 | btr_status = update_clock(notit, |
3065 | notit->cur_timestamp_end); | |
5f870343 JG |
3066 | BT_PUT(field_type); |
3067 | if (btr_status != BT_CTF_BTR_STATUS_OK) { | |
fdf0e7a0 PP |
3068 | BT_LOGW("Cannot update stream's clock value: " |
3069 | "notit-addr=%p", notit); | |
5f870343 JG |
3070 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; |
3071 | goto end; | |
3072 | } | |
3073 | } | |
3074 | ||
fdf0e7a0 | 3075 | /* notify_end_of_packet() logs errors */ |
e98a2d6e PP |
3076 | notify_end_of_packet(notit, notification); |
3077 | if (!*notification) { | |
3078 | status = BT_CTF_NOTIF_ITER_STATUS_ERROR; | |
3079 | } | |
3080 | goto end; | |
3081 | default: | |
3082 | /* Non-emitting state: continue */ | |
3083 | break; | |
3084 | } | |
3085 | } | |
3086 | ||
3087 | end: | |
3088 | return status; | |
3089 | } | |
87187cbf PP |
3090 | |
3091 | BT_HIDDEN | |
3092 | enum bt_ctf_notif_iter_status bt_ctf_notif_iter_get_packet_header_context_fields( | |
3093 | struct bt_ctf_notif_iter *notit, | |
3094 | struct bt_ctf_field **packet_header_field, | |
3095 | struct bt_ctf_field **packet_context_field) | |
3096 | { | |
3097 | enum bt_ctf_notif_iter_status status = BT_CTF_NOTIF_ITER_STATUS_OK; | |
3098 | ||
3099 | assert(notit); | |
3100 | ||
3101 | if (notit->state == STATE_EMIT_NOTIF_NEW_PACKET) { | |
3102 | /* We're already there */ | |
3103 | goto set_fields; | |
3104 | } | |
3105 | ||
3106 | while (true) { | |
3107 | status = handle_state(notit); | |
3108 | if (status == BT_CTF_NOTIF_ITER_STATUS_AGAIN) { | |
fdf0e7a0 | 3109 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_AGAIN."); |
87187cbf PP |
3110 | goto end; |
3111 | } | |
3112 | if (status != BT_CTF_NOTIF_ITER_STATUS_OK) { | |
3113 | if (status == BT_CTF_NOTIF_ITER_STATUS_EOF) { | |
fdf0e7a0 | 3114 | BT_LOGV_STR("Medium returned BT_CTF_NOTIF_ITER_STATUS_EOF."); |
87187cbf | 3115 | } else { |
fdf0e7a0 PP |
3116 | BT_LOGW("Cannot handle state: " |
3117 | "notit-addr=%p, state=%s", | |
3118 | notit, state_string(notit->state)); | |
87187cbf PP |
3119 | } |
3120 | goto end; | |
3121 | } | |
3122 | ||
3123 | switch (notit->state) { | |
3124 | case STATE_EMIT_NOTIF_NEW_PACKET: | |
3125 | /* | |
3126 | * Packet header and context fields are | |
3127 | * potentially decoded (or they don't exist). | |
3128 | */ | |
3129 | goto set_fields; | |
3130 | case STATE_INIT: | |
3131 | case STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN: | |
3132 | case STATE_DSCOPE_TRACE_PACKET_HEADER_CONTINUE: | |
3133 | case STATE_AFTER_TRACE_PACKET_HEADER: | |
3134 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_BEGIN: | |
3135 | case STATE_DSCOPE_STREAM_PACKET_CONTEXT_CONTINUE: | |
3136 | case STATE_AFTER_STREAM_PACKET_CONTEXT: | |
3137 | /* Non-emitting state: continue */ | |
3138 | break; | |
3139 | default: | |
3140 | /* | |
3141 | * We should never get past the | |
3142 | * STATE_EMIT_NOTIF_NEW_PACKET state. | |
3143 | */ | |
fdf0e7a0 PP |
3144 | BT_LOGF("Unexpected state: notit-addr=%p, state=%s", |
3145 | notit, state_string(notit->state)); | |
0fbb9a9f | 3146 | abort(); |
87187cbf PP |
3147 | } |
3148 | } | |
3149 | ||
3150 | set_fields: | |
3151 | if (packet_header_field) { | |
3152 | *packet_header_field = bt_get(notit->dscopes.trace_packet_header); | |
3153 | } | |
3154 | ||
3155 | if (packet_context_field) { | |
3156 | *packet_context_field = bt_get(notit->dscopes.stream_packet_context); | |
3157 | } | |
3158 | ||
3159 | end: | |
3160 | return status; | |
3161 | } |