Commit | Line | Data |
---|---|---|
15fe47e0 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
15fe47e0 | 3 | * |
0235b0db | 4 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> |
15fe47e0 PP |
5 | */ |
6 | ||
c802cacb | 7 | #include <glib.h> |
c802cacb SM |
8 | #include <stdio.h> |
9 | ||
10 | #include <babeltrace2/babeltrace.h> | |
11 | ||
578e048b | 12 | #include "common/assert.h" |
83ad336c | 13 | #include "compat/endian.h" /* IWYU pragma: keep */ |
c802cacb | 14 | #include "ctfser/ctfser.h" |
15fe47e0 | 15 | |
c7e1be4b | 16 | #include "fs-sink-ctf-meta.hpp" |
087cd0f5 | 17 | #include "fs-sink-stream.hpp" |
c802cacb | 18 | #include "fs-sink-trace.hpp" |
087cd0f5 | 19 | #include "translate-trace-ir-to-ctf-ir.hpp" |
15fe47e0 | 20 | |
15fe47e0 PP |
21 | void fs_sink_stream_destroy(struct fs_sink_stream *stream) |
22 | { | |
4164020e SM |
23 | if (!stream) { |
24 | goto end; | |
25 | } | |
15fe47e0 | 26 | |
4164020e | 27 | bt_ctfser_fini(&stream->ctfser); |
15fe47e0 | 28 | |
4164020e SM |
29 | if (stream->file_name) { |
30 | g_string_free(stream->file_name, TRUE); | |
31 | stream->file_name = NULL; | |
32 | } | |
15fe47e0 | 33 | |
4164020e | 34 | bt_packet_put_ref(stream->packet_state.packet); |
150640e8 | 35 | delete stream; |
15fe47e0 PP |
36 | |
37 | end: | |
4164020e | 38 | return; |
15fe47e0 PP |
39 | } |
40 | ||
4164020e | 41 | static bool stream_file_name_exists(struct fs_sink_trace *trace, const char *name) |
15fe47e0 | 42 | { |
4164020e SM |
43 | bool exists = false; |
44 | GHashTableIter iter; | |
45 | gpointer key, value; | |
15fe47e0 | 46 | |
4164020e | 47 | g_hash_table_iter_init(&iter, trace->streams); |
15fe47e0 | 48 | |
4164020e SM |
49 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
50 | struct fs_sink_stream *stream = (fs_sink_stream *) value; | |
15fe47e0 | 51 | |
4164020e SM |
52 | if (strcmp(name, stream->file_name->str) == 0) { |
53 | exists = true; | |
54 | goto end; | |
55 | } | |
56 | } | |
15fe47e0 PP |
57 | |
58 | end: | |
4164020e | 59 | return exists; |
15fe47e0 PP |
60 | } |
61 | ||
4164020e | 62 | static GString *sanitize_stream_file_name(const char *file_name) |
15fe47e0 | 63 | { |
4164020e SM |
64 | GString *san_file_name = g_string_new(NULL); |
65 | const char *ch; | |
66 | gchar *basename; | |
67 | ||
68 | BT_ASSERT(san_file_name); | |
69 | BT_ASSERT(file_name); | |
70 | basename = g_path_get_basename(file_name); | |
71 | ||
72 | for (ch = basename; *ch != '\0'; ch++) { | |
73 | if (*ch == '/') { | |
74 | g_string_append_c(san_file_name, '_'); | |
75 | } else { | |
76 | g_string_append_c(san_file_name, *ch); | |
77 | } | |
78 | } | |
79 | ||
80 | /* Do not allow `.` and `..` either */ | |
81 | if (strcmp(san_file_name->str, ".") == 0 || strcmp(san_file_name->str, "..") == 0) { | |
82 | g_string_assign(san_file_name, "stream"); | |
83 | } | |
84 | ||
85 | g_free(basename); | |
86 | return san_file_name; | |
15fe47e0 PP |
87 | } |
88 | ||
4164020e | 89 | static GString *make_unique_stream_file_name(struct fs_sink_trace *trace, const char *base) |
15fe47e0 | 90 | { |
4164020e SM |
91 | GString *san_base = sanitize_stream_file_name(base); |
92 | GString *name = g_string_new(san_base->str); | |
93 | unsigned int suffix = 0; | |
15fe47e0 | 94 | |
4164020e | 95 | BT_ASSERT(name); |
15fe47e0 | 96 | |
4164020e SM |
97 | while (stream_file_name_exists(trace, name->str) || strcmp(name->str, "metadata") == 0) { |
98 | g_string_printf(name, "%s-%u", san_base->str, suffix); | |
99 | suffix++; | |
100 | } | |
15fe47e0 | 101 | |
4164020e SM |
102 | g_string_free(san_base, TRUE); |
103 | return name; | |
15fe47e0 PP |
104 | } |
105 | ||
4164020e | 106 | static void set_stream_file_name(struct fs_sink_stream *stream) |
15fe47e0 | 107 | { |
4164020e | 108 | const char *base_name = bt_stream_get_name(stream->ir_stream); |
15fe47e0 | 109 | |
4164020e SM |
110 | if (!base_name) { |
111 | base_name = "stream"; | |
112 | } | |
15fe47e0 | 113 | |
4164020e SM |
114 | BT_ASSERT(!stream->file_name); |
115 | stream->file_name = make_unique_stream_file_name(stream->trace, base_name); | |
15fe47e0 PP |
116 | } |
117 | ||
15fe47e0 | 118 | struct fs_sink_stream *fs_sink_stream_create(struct fs_sink_trace *trace, |
4164020e | 119 | const bt_stream *ir_stream) |
15fe47e0 | 120 | { |
3c20ac12 | 121 | fs_sink_stream *stream = new fs_sink_stream {trace->logger}; |
4164020e SM |
122 | int ret; |
123 | GString *path = g_string_new(trace->path->str); | |
124 | ||
4164020e SM |
125 | stream->trace = trace; |
126 | stream->ir_stream = ir_stream; | |
127 | stream->packet_state.beginning_cs = UINT64_C(-1); | |
128 | stream->packet_state.end_cs = UINT64_C(-1); | |
129 | stream->prev_packet_state.end_cs = UINT64_C(-1); | |
130 | stream->prev_packet_state.discarded_events_counter = UINT64_C(-1); | |
131 | stream->prev_packet_state.seq_num = UINT64_C(-1); | |
132 | ret = try_translate_stream_class_trace_ir_to_ctf_ir( | |
133 | trace->fs_sink, trace->trace, bt_stream_borrow_class_const(ir_stream), &stream->sc); | |
134 | if (ret) { | |
135 | goto error; | |
136 | } | |
137 | ||
138 | set_stream_file_name(stream); | |
139 | g_string_append_printf(path, "/%s", stream->file_name->str); | |
3c20ac12 | 140 | ret = bt_ctfser_init(&stream->ctfser, path->str, static_cast<int>(stream->logger.level())); |
4164020e SM |
141 | if (ret) { |
142 | goto error; | |
143 | } | |
144 | ||
145 | g_hash_table_insert(trace->streams, (gpointer) ir_stream, stream); | |
146 | goto end; | |
15fe47e0 PP |
147 | |
148 | error: | |
4164020e SM |
149 | fs_sink_stream_destroy(stream); |
150 | stream = NULL; | |
15fe47e0 PP |
151 | |
152 | end: | |
4164020e SM |
153 | if (path) { |
154 | g_string_free(path, TRUE); | |
155 | } | |
15fe47e0 | 156 | |
4164020e | 157 | return stream; |
15fe47e0 PP |
158 | } |
159 | ||
4164020e SM |
160 | static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc, |
161 | const bt_field *field); | |
15fe47e0 | 162 | |
4164020e SM |
163 | static inline int write_bool_field(struct fs_sink_stream *stream, |
164 | struct fs_sink_ctf_field_class_bool *fc, const bt_field *field) | |
ecd27ae4 | 165 | { |
4164020e SM |
166 | /* |
167 | * CTF 1.8 has no boolean field class type, so this component | |
168 | * translates this boolean field to an 8-bit unsigned integer | |
169 | * field which has the value 0 (false) or 1 (true). | |
170 | */ | |
171 | return bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_bool_get_value(field) ? 1 : 0, | |
172 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
ecd27ae4 PP |
173 | } |
174 | ||
4164020e SM |
175 | static inline int write_bit_array_field(struct fs_sink_stream *stream, |
176 | struct fs_sink_ctf_field_class_bit_array *fc, | |
177 | const bt_field *field) | |
43a94dc9 | 178 | { |
4164020e SM |
179 | /* |
180 | * CTF 1.8 has no bit array field class type, so this component | |
181 | * translates this bit array field to an unsigned integer field. | |
182 | */ | |
183 | return bt_ctfser_write_unsigned_int(&stream->ctfser, | |
184 | bt_field_bit_array_get_value_as_integer(field), | |
185 | fc->base.alignment, fc->size, BYTE_ORDER); | |
43a94dc9 PP |
186 | } |
187 | ||
4164020e SM |
188 | static inline int write_int_field(struct fs_sink_stream *stream, |
189 | struct fs_sink_ctf_field_class_int *fc, const bt_field *field) | |
15fe47e0 | 190 | { |
4164020e SM |
191 | int ret; |
192 | ||
193 | if (fc->is_signed) { | |
194 | ret = bt_ctfser_write_signed_int(&stream->ctfser, bt_field_integer_signed_get_value(field), | |
195 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
196 | } else { | |
197 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, | |
198 | bt_field_integer_unsigned_get_value(field), | |
199 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
200 | } | |
201 | ||
202 | return ret; | |
15fe47e0 PP |
203 | } |
204 | ||
4164020e SM |
205 | static inline int write_float_field(struct fs_sink_stream *stream, |
206 | struct fs_sink_ctf_field_class_float *fc, const bt_field *field) | |
15fe47e0 | 207 | { |
4164020e SM |
208 | int ret; |
209 | double val; | |
210 | ||
211 | if (fc->base.size == 32) { | |
212 | val = (double) bt_field_real_single_precision_get_value(field); | |
213 | ret = bt_ctfser_write_float32(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER); | |
214 | } else { | |
215 | val = bt_field_real_double_precision_get_value(field); | |
216 | ret = bt_ctfser_write_float64(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER); | |
217 | } | |
218 | ||
219 | return ret; | |
15fe47e0 PP |
220 | } |
221 | ||
0326ed80 | 222 | static inline int write_string_field(struct fs_sink_stream *stream, const bt_field *field) |
15fe47e0 | 223 | { |
4164020e | 224 | return bt_ctfser_write_string(&stream->ctfser, bt_field_string_get_value(field)); |
15fe47e0 PP |
225 | } |
226 | ||
4164020e SM |
227 | static inline int write_array_base_field_elements(struct fs_sink_stream *stream, |
228 | struct fs_sink_ctf_field_class_array_base *fc, | |
229 | const bt_field *field) | |
15fe47e0 | 230 | { |
4164020e SM |
231 | uint64_t i; |
232 | uint64_t len = bt_field_array_get_length(field); | |
233 | int ret = 0; | |
234 | ||
235 | for (i = 0; i < len; i++) { | |
236 | const bt_field *elem_field = bt_field_array_borrow_element_field_by_index_const(field, i); | |
237 | ret = write_field(stream, fc->elem_fc, elem_field); | |
238 | if (G_UNLIKELY(ret)) { | |
239 | goto end; | |
240 | } | |
241 | } | |
15fe47e0 PP |
242 | |
243 | end: | |
4164020e | 244 | return ret; |
15fe47e0 PP |
245 | } |
246 | ||
4164020e SM |
247 | static inline int write_sequence_field(struct fs_sink_stream *stream, |
248 | struct fs_sink_ctf_field_class_sequence *fc, | |
249 | const bt_field *field) | |
15fe47e0 | 250 | { |
4164020e | 251 | int ret; |
15fe47e0 | 252 | |
4164020e SM |
253 | if (fc->length_is_before) { |
254 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_array_get_length(field), 8, 32, | |
255 | BYTE_ORDER); | |
256 | if (G_UNLIKELY(ret)) { | |
257 | goto end; | |
258 | } | |
259 | } | |
15fe47e0 | 260 | |
4164020e | 261 | ret = write_array_base_field_elements(stream, &fc->base, field); |
15fe47e0 PP |
262 | |
263 | end: | |
4164020e | 264 | return ret; |
15fe47e0 PP |
265 | } |
266 | ||
4164020e SM |
267 | static inline int write_struct_field(struct fs_sink_stream *stream, |
268 | struct fs_sink_ctf_field_class_struct *fc, | |
269 | const bt_field *field, bool align_struct) | |
15fe47e0 | 270 | { |
4164020e SM |
271 | int ret = 0; |
272 | uint64_t i; | |
273 | ||
274 | if (G_LIKELY(align_struct)) { | |
275 | ret = bt_ctfser_align_offset_in_current_packet(&stream->ctfser, fc->base.alignment); | |
276 | if (G_UNLIKELY(ret)) { | |
277 | goto end; | |
278 | } | |
279 | } | |
280 | ||
281 | for (i = 0; i < fc->members->len; i++) { | |
282 | const bt_field *memb_field = | |
283 | bt_field_structure_borrow_member_field_by_index_const(field, i); | |
284 | struct fs_sink_ctf_field_class *member_fc = | |
285 | fs_sink_ctf_field_class_struct_borrow_member_by_index(fc, i)->fc; | |
286 | ||
287 | ret = write_field(stream, member_fc, memb_field); | |
288 | if (G_UNLIKELY(ret)) { | |
289 | goto end; | |
290 | } | |
291 | } | |
15fe47e0 PP |
292 | |
293 | end: | |
4164020e | 294 | return ret; |
15fe47e0 PP |
295 | } |
296 | ||
4164020e SM |
297 | static inline int write_option_field(struct fs_sink_stream *stream, |
298 | struct fs_sink_ctf_field_class_option *fc, | |
299 | const bt_field *field) | |
c25f8e53 | 300 | { |
4164020e SM |
301 | int ret; |
302 | const bt_field *content_field = bt_field_option_borrow_field_const(field); | |
303 | ||
304 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, content_field ? 1 : 0, 8, 8, BYTE_ORDER); | |
305 | if (G_UNLIKELY(ret)) { | |
306 | goto end; | |
307 | } | |
308 | ||
309 | /* | |
310 | * CTF 1.8 has no option field class type, so this component | |
311 | * translates the option field class to a variant field class | |
312 | * where the options are: | |
313 | * | |
314 | * * An empty structure field class (field occupies 0 bits). | |
315 | * * The optional field class itself. | |
316 | * | |
317 | * If `content_field` is `NULL`, do not write anything (empty | |
318 | * structure). | |
319 | */ | |
320 | if (content_field) { | |
321 | ret = write_field(stream, fc->content_fc, content_field); | |
322 | } | |
c25f8e53 PP |
323 | |
324 | end: | |
4164020e | 325 | return ret; |
c25f8e53 PP |
326 | } |
327 | ||
4164020e SM |
328 | static inline int write_variant_field(struct fs_sink_stream *stream, |
329 | struct fs_sink_ctf_field_class_variant *fc, | |
330 | const bt_field *field) | |
15fe47e0 | 331 | { |
4164020e SM |
332 | uint64_t opt_index = bt_field_variant_get_selected_option_index(field); |
333 | int ret; | |
334 | ||
335 | if (fc->tag_is_before) { | |
336 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, opt_index, 8, 16, BYTE_ORDER); | |
337 | if (G_UNLIKELY(ret)) { | |
338 | goto end; | |
339 | } | |
340 | } | |
341 | ||
342 | ret = write_field(stream, | |
343 | fs_sink_ctf_field_class_variant_borrow_option_by_index(fc, opt_index)->fc, | |
344 | bt_field_variant_borrow_selected_option_field_const(field)); | |
15fe47e0 PP |
345 | |
346 | end: | |
4164020e | 347 | return ret; |
15fe47e0 PP |
348 | } |
349 | ||
4164020e SM |
350 | static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc, |
351 | const bt_field *field) | |
15fe47e0 | 352 | { |
4164020e SM |
353 | int ret; |
354 | ||
355 | switch (fc->type) { | |
356 | case FS_SINK_CTF_FIELD_CLASS_TYPE_BOOL: | |
357 | ret = write_bool_field(stream, fs_sink_ctf_field_class_as_bool(fc), field); | |
358 | break; | |
359 | case FS_SINK_CTF_FIELD_CLASS_TYPE_BIT_ARRAY: | |
360 | ret = write_bit_array_field(stream, fs_sink_ctf_field_class_as_bit_array(fc), field); | |
361 | break; | |
362 | case FS_SINK_CTF_FIELD_CLASS_TYPE_INT: | |
363 | ret = write_int_field(stream, fs_sink_ctf_field_class_as_int(fc), field); | |
364 | break; | |
365 | case FS_SINK_CTF_FIELD_CLASS_TYPE_FLOAT: | |
366 | ret = write_float_field(stream, fs_sink_ctf_field_class_as_float(fc), field); | |
367 | break; | |
368 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRING: | |
0326ed80 | 369 | ret = write_string_field(stream, field); |
4164020e SM |
370 | break; |
371 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
372 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(fc), field, true); | |
373 | break; | |
374 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
375 | ret = write_array_base_field_elements(stream, fs_sink_ctf_field_class_as_array_base(fc), | |
376 | field); | |
377 | break; | |
378 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
379 | ret = write_sequence_field(stream, fs_sink_ctf_field_class_as_sequence(fc), field); | |
380 | break; | |
381 | case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION: | |
382 | ret = write_option_field(stream, fs_sink_ctf_field_class_as_option(fc), field); | |
383 | break; | |
384 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
385 | ret = write_variant_field(stream, fs_sink_ctf_field_class_as_variant(fc), field); | |
386 | break; | |
387 | default: | |
388 | bt_common_abort(); | |
389 | } | |
390 | ||
391 | return ret; | |
15fe47e0 PP |
392 | } |
393 | ||
4164020e SM |
394 | static inline int write_event_header(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
395 | struct fs_sink_ctf_event_class *ec) | |
15fe47e0 | 396 | { |
4164020e SM |
397 | int ret; |
398 | ||
399 | /* Event class ID */ | |
400 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
401 | &stream->ctfser, bt_event_class_get_id(ec->ir_ec), 8, 64, BYTE_ORDER); | |
402 | if (G_UNLIKELY(ret)) { | |
403 | goto end; | |
404 | } | |
405 | ||
406 | /* Time */ | |
407 | if (stream->sc->default_clock_class) { | |
408 | BT_ASSERT_DBG(cs); | |
409 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
410 | &stream->ctfser, bt_clock_snapshot_get_value(cs), 8, 64, BYTE_ORDER); | |
411 | if (G_UNLIKELY(ret)) { | |
412 | goto end; | |
413 | } | |
414 | } | |
15fe47e0 PP |
415 | |
416 | end: | |
4164020e | 417 | return ret; |
15fe47e0 PP |
418 | } |
419 | ||
4164020e SM |
420 | int fs_sink_stream_write_event(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
421 | const bt_event *event, struct fs_sink_ctf_event_class *ec) | |
15fe47e0 | 422 | { |
4164020e SM |
423 | int ret; |
424 | const bt_field *field; | |
425 | ||
426 | /* Header */ | |
427 | ret = write_event_header(stream, cs, ec); | |
428 | if (G_UNLIKELY(ret)) { | |
429 | goto end; | |
430 | } | |
431 | ||
432 | /* Common context */ | |
433 | if (stream->sc->event_common_context_fc) { | |
434 | field = bt_event_borrow_common_context_field_const(event); | |
435 | BT_ASSERT_DBG(field); | |
436 | ret = write_struct_field( | |
437 | stream, fs_sink_ctf_field_class_as_struct(stream->sc->event_common_context_fc), field, | |
438 | true); | |
439 | if (G_UNLIKELY(ret)) { | |
440 | goto end; | |
441 | } | |
442 | } | |
443 | ||
444 | /* Specific context */ | |
445 | if (ec->spec_context_fc) { | |
446 | field = bt_event_borrow_specific_context_field_const(event); | |
447 | BT_ASSERT_DBG(field); | |
448 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->spec_context_fc), | |
449 | field, true); | |
450 | if (G_UNLIKELY(ret)) { | |
451 | goto end; | |
452 | } | |
453 | } | |
454 | ||
455 | /* Specific context */ | |
456 | if (ec->payload_fc) { | |
457 | field = bt_event_borrow_payload_field_const(event); | |
458 | BT_ASSERT_DBG(field); | |
459 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->payload_fc), field, | |
460 | true); | |
461 | if (G_UNLIKELY(ret)) { | |
462 | goto end; | |
463 | } | |
464 | } | |
15fe47e0 PP |
465 | |
466 | end: | |
4164020e | 467 | return ret; |
15fe47e0 PP |
468 | } |
469 | ||
4164020e | 470 | static int write_packet_context(struct fs_sink_stream *stream) |
15fe47e0 | 471 | { |
4164020e SM |
472 | int ret; |
473 | ||
474 | /* Packet total size */ | |
475 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
476 | &stream->ctfser, stream->packet_state.total_size, 8, 64, BYTE_ORDER); | |
477 | if (ret) { | |
478 | goto end; | |
479 | } | |
480 | ||
481 | /* Packet content size */ | |
482 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
483 | &stream->ctfser, stream->packet_state.content_size, 8, 64, BYTE_ORDER); | |
484 | if (ret) { | |
485 | goto end; | |
486 | } | |
487 | ||
488 | if (stream->sc->packets_have_ts_begin) { | |
489 | /* Beginning time */ | |
490 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
491 | &stream->ctfser, stream->packet_state.beginning_cs, 8, 64, BYTE_ORDER); | |
492 | if (ret) { | |
493 | goto end; | |
494 | } | |
495 | } | |
496 | ||
497 | if (stream->sc->packets_have_ts_end) { | |
498 | /* End time */ | |
499 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
500 | &stream->ctfser, stream->packet_state.end_cs, 8, 64, BYTE_ORDER); | |
501 | if (ret) { | |
502 | goto end; | |
503 | } | |
504 | } | |
505 | ||
506 | if (stream->sc->has_discarded_events) { | |
507 | /* Discarded event counter */ | |
508 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
509 | &stream->ctfser, stream->packet_state.discarded_events_counter, 8, 64, BYTE_ORDER); | |
510 | if (ret) { | |
511 | goto end; | |
512 | } | |
513 | } | |
514 | ||
515 | /* Sequence number */ | |
516 | ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, stream->packet_state.seq_num, | |
517 | 8, 64, BYTE_ORDER); | |
518 | if (ret) { | |
519 | goto end; | |
520 | } | |
521 | ||
522 | /* Other members */ | |
523 | if (stream->sc->packet_context_fc) { | |
524 | const bt_field *packet_context_field; | |
525 | ||
526 | BT_ASSERT(stream->packet_state.packet); | |
527 | packet_context_field = bt_packet_borrow_context_field_const(stream->packet_state.packet); | |
528 | BT_ASSERT(packet_context_field); | |
529 | ret = write_struct_field(stream, | |
530 | fs_sink_ctf_field_class_as_struct(stream->sc->packet_context_fc), | |
531 | packet_context_field, false); | |
532 | if (ret) { | |
533 | goto end; | |
534 | } | |
535 | } | |
15fe47e0 PP |
536 | |
537 | end: | |
4164020e | 538 | return ret; |
15fe47e0 PP |
539 | } |
540 | ||
4164020e SM |
541 | int fs_sink_stream_open_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
542 | const bt_packet *packet) | |
15fe47e0 | 543 | { |
4164020e SM |
544 | int ret; |
545 | uint64_t i; | |
546 | ||
547 | BT_ASSERT(!stream->packet_state.is_open); | |
548 | bt_packet_put_ref(stream->packet_state.packet); | |
549 | stream->packet_state.packet = packet; | |
550 | bt_packet_get_ref(stream->packet_state.packet); | |
551 | if (cs) { | |
552 | stream->packet_state.beginning_cs = bt_clock_snapshot_get_value(cs); | |
553 | } | |
554 | ||
555 | /* Open packet */ | |
556 | ret = bt_ctfser_open_packet(&stream->ctfser); | |
557 | if (ret) { | |
558 | /* bt_ctfser_open_packet() logs errors */ | |
559 | goto end; | |
560 | } | |
561 | ||
562 | /* Packet header: magic */ | |
563 | ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, UINT64_C(0xc1fc1fc1), 8, 32, | |
564 | BYTE_ORDER); | |
565 | if (ret) { | |
3c20ac12 SM |
566 | BT_CPPLOGE_SPEC(stream->logger, "Error writing packet header magic: stream-file-name={}", |
567 | stream->file_name->str); | |
4164020e SM |
568 | goto end; |
569 | } | |
570 | ||
571 | /* Packet header: UUID */ | |
572 | for (i = 0; i < BT_UUID_LEN; i++) { | |
573 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
574 | &stream->ctfser, (uint64_t) stream->sc->trace->uuid[i], 8, 8, BYTE_ORDER); | |
575 | if (ret) { | |
3c20ac12 SM |
576 | BT_CPPLOGE_SPEC(stream->logger, "Error writing packet header UUID: stream-file-name={}", |
577 | stream->file_name->str); | |
4164020e SM |
578 | goto end; |
579 | } | |
580 | } | |
581 | ||
582 | /* Packet header: stream class ID */ | |
583 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
584 | &stream->ctfser, bt_stream_class_get_id(stream->sc->ir_sc), 8, 64, BYTE_ORDER); | |
585 | if (ret) { | |
3c20ac12 SM |
586 | BT_CPPLOGE_SPEC(stream->logger, |
587 | "Error writing packet header stream class id: " | |
588 | "stream-file-name={}, stream-class-id={}", | |
589 | stream->file_name->str, bt_stream_class_get_id(stream->sc->ir_sc)); | |
4164020e SM |
590 | goto end; |
591 | } | |
592 | ||
593 | /* Packet header: stream ID */ | |
594 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
595 | &stream->ctfser, bt_stream_get_id(stream->ir_stream), 8, 64, BYTE_ORDER); | |
596 | if (ret) { | |
3c20ac12 SM |
597 | BT_CPPLOGE_SPEC(stream->logger, |
598 | "Error writing packet header stream id: " | |
599 | "stream-file-name={}, stream-id={}", | |
600 | stream->file_name->str, bt_stream_get_id(stream->ir_stream)); | |
4164020e SM |
601 | goto end; |
602 | } | |
603 | ||
604 | /* Save packet context's offset to rewrite it later */ | |
605 | stream->packet_state.context_offset_bits = | |
606 | bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser); | |
607 | ||
608 | /* Write packet context just to advance to content (first event) */ | |
609 | ret = write_packet_context(stream); | |
610 | if (ret) { | |
611 | goto end; | |
612 | } | |
613 | ||
614 | stream->packet_state.is_open = true; | |
15fe47e0 PP |
615 | |
616 | end: | |
4164020e | 617 | return ret; |
15fe47e0 PP |
618 | } |
619 | ||
4164020e | 620 | int fs_sink_stream_close_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs) |
15fe47e0 | 621 | { |
4164020e SM |
622 | int ret; |
623 | ||
624 | BT_ASSERT(stream->packet_state.is_open); | |
625 | ||
626 | if (cs) { | |
627 | stream->packet_state.end_cs = bt_clock_snapshot_get_value(cs); | |
628 | } | |
629 | ||
630 | stream->packet_state.content_size = | |
631 | bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser); | |
632 | stream->packet_state.total_size = (stream->packet_state.content_size + 7) & ~UINT64_C(7); | |
633 | ||
634 | /* Rewrite packet context */ | |
635 | bt_ctfser_set_offset_in_current_packet_bits(&stream->ctfser, | |
636 | stream->packet_state.context_offset_bits); | |
637 | ret = write_packet_context(stream); | |
638 | if (ret) { | |
639 | goto end; | |
640 | } | |
641 | ||
642 | /* Close packet */ | |
643 | bt_ctfser_close_current_packet(&stream->ctfser, stream->packet_state.total_size / 8); | |
644 | ||
645 | /* Partially copy current packet state to previous packet state */ | |
646 | stream->prev_packet_state.end_cs = stream->packet_state.end_cs; | |
647 | stream->prev_packet_state.discarded_events_counter = | |
648 | stream->packet_state.discarded_events_counter; | |
649 | stream->prev_packet_state.seq_num = stream->packet_state.seq_num; | |
650 | ||
651 | /* Reset current packet state */ | |
652 | stream->packet_state.beginning_cs = UINT64_C(-1); | |
653 | stream->packet_state.end_cs = UINT64_C(-1); | |
654 | stream->packet_state.content_size = 0; | |
655 | stream->packet_state.total_size = 0; | |
656 | stream->packet_state.seq_num += 1; | |
657 | stream->packet_state.context_offset_bits = 0; | |
658 | stream->packet_state.is_open = false; | |
659 | BT_PACKET_PUT_REF_AND_RESET(stream->packet_state.packet); | |
15fe47e0 PP |
660 | |
661 | end: | |
4164020e | 662 | return ret; |
15fe47e0 | 663 | } |