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 | ||
aa1a7452 | 12 | #define BT_COMP_LOG_SELF_COMP (stream->trace->fs_sink->self_comp) |
4164020e SM |
13 | #define BT_LOG_OUTPUT_LEVEL (stream->log_level) |
14 | #define BT_LOG_TAG "PLUGIN/SINK.CTF.FS/STREAM" | |
d9c39b0a | 15 | #include "logging/comp-logging.h" |
15fe47e0 | 16 | |
578e048b | 17 | #include "common/assert.h" |
578e048b | 18 | #include "compat/endian.h" |
c802cacb | 19 | #include "ctfser/ctfser.h" |
15fe47e0 | 20 | |
087cd0f5 | 21 | #include "fs-sink-stream.hpp" |
c802cacb SM |
22 | #include "fs-sink-trace.hpp" |
23 | #include "fs-sink.hpp" | |
087cd0f5 | 24 | #include "translate-trace-ir-to-ctf-ir.hpp" |
15fe47e0 | 25 | |
15fe47e0 PP |
26 | void fs_sink_stream_destroy(struct fs_sink_stream *stream) |
27 | { | |
4164020e SM |
28 | if (!stream) { |
29 | goto end; | |
30 | } | |
15fe47e0 | 31 | |
4164020e | 32 | bt_ctfser_fini(&stream->ctfser); |
15fe47e0 | 33 | |
4164020e SM |
34 | if (stream->file_name) { |
35 | g_string_free(stream->file_name, TRUE); | |
36 | stream->file_name = NULL; | |
37 | } | |
15fe47e0 | 38 | |
4164020e SM |
39 | bt_packet_put_ref(stream->packet_state.packet); |
40 | g_free(stream); | |
15fe47e0 PP |
41 | |
42 | end: | |
4164020e | 43 | return; |
15fe47e0 PP |
44 | } |
45 | ||
4164020e | 46 | static bool stream_file_name_exists(struct fs_sink_trace *trace, const char *name) |
15fe47e0 | 47 | { |
4164020e SM |
48 | bool exists = false; |
49 | GHashTableIter iter; | |
50 | gpointer key, value; | |
15fe47e0 | 51 | |
4164020e | 52 | g_hash_table_iter_init(&iter, trace->streams); |
15fe47e0 | 53 | |
4164020e SM |
54 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
55 | struct fs_sink_stream *stream = (fs_sink_stream *) value; | |
15fe47e0 | 56 | |
4164020e SM |
57 | if (strcmp(name, stream->file_name->str) == 0) { |
58 | exists = true; | |
59 | goto end; | |
60 | } | |
61 | } | |
15fe47e0 PP |
62 | |
63 | end: | |
4164020e | 64 | return exists; |
15fe47e0 PP |
65 | } |
66 | ||
4164020e | 67 | static GString *sanitize_stream_file_name(const char *file_name) |
15fe47e0 | 68 | { |
4164020e SM |
69 | GString *san_file_name = g_string_new(NULL); |
70 | const char *ch; | |
71 | gchar *basename; | |
72 | ||
73 | BT_ASSERT(san_file_name); | |
74 | BT_ASSERT(file_name); | |
75 | basename = g_path_get_basename(file_name); | |
76 | ||
77 | for (ch = basename; *ch != '\0'; ch++) { | |
78 | if (*ch == '/') { | |
79 | g_string_append_c(san_file_name, '_'); | |
80 | } else { | |
81 | g_string_append_c(san_file_name, *ch); | |
82 | } | |
83 | } | |
84 | ||
85 | /* Do not allow `.` and `..` either */ | |
86 | if (strcmp(san_file_name->str, ".") == 0 || strcmp(san_file_name->str, "..") == 0) { | |
87 | g_string_assign(san_file_name, "stream"); | |
88 | } | |
89 | ||
90 | g_free(basename); | |
91 | return san_file_name; | |
15fe47e0 PP |
92 | } |
93 | ||
4164020e | 94 | static GString *make_unique_stream_file_name(struct fs_sink_trace *trace, const char *base) |
15fe47e0 | 95 | { |
4164020e SM |
96 | GString *san_base = sanitize_stream_file_name(base); |
97 | GString *name = g_string_new(san_base->str); | |
98 | unsigned int suffix = 0; | |
15fe47e0 | 99 | |
4164020e | 100 | BT_ASSERT(name); |
15fe47e0 | 101 | |
4164020e SM |
102 | while (stream_file_name_exists(trace, name->str) || strcmp(name->str, "metadata") == 0) { |
103 | g_string_printf(name, "%s-%u", san_base->str, suffix); | |
104 | suffix++; | |
105 | } | |
15fe47e0 | 106 | |
4164020e SM |
107 | g_string_free(san_base, TRUE); |
108 | return name; | |
15fe47e0 PP |
109 | } |
110 | ||
4164020e | 111 | static void set_stream_file_name(struct fs_sink_stream *stream) |
15fe47e0 | 112 | { |
4164020e | 113 | const char *base_name = bt_stream_get_name(stream->ir_stream); |
15fe47e0 | 114 | |
4164020e SM |
115 | if (!base_name) { |
116 | base_name = "stream"; | |
117 | } | |
15fe47e0 | 118 | |
4164020e SM |
119 | BT_ASSERT(!stream->file_name); |
120 | stream->file_name = make_unique_stream_file_name(stream->trace, base_name); | |
15fe47e0 PP |
121 | } |
122 | ||
15fe47e0 | 123 | struct fs_sink_stream *fs_sink_stream_create(struct fs_sink_trace *trace, |
4164020e | 124 | const bt_stream *ir_stream) |
15fe47e0 | 125 | { |
4164020e SM |
126 | struct fs_sink_stream *stream = g_new0(struct fs_sink_stream, 1); |
127 | int ret; | |
128 | GString *path = g_string_new(trace->path->str); | |
129 | ||
130 | if (!stream) { | |
131 | goto end; | |
132 | } | |
133 | ||
134 | stream->log_level = trace->log_level; | |
135 | stream->trace = trace; | |
136 | stream->ir_stream = ir_stream; | |
137 | stream->packet_state.beginning_cs = UINT64_C(-1); | |
138 | stream->packet_state.end_cs = UINT64_C(-1); | |
139 | stream->prev_packet_state.end_cs = UINT64_C(-1); | |
140 | stream->prev_packet_state.discarded_events_counter = UINT64_C(-1); | |
141 | stream->prev_packet_state.seq_num = UINT64_C(-1); | |
142 | ret = try_translate_stream_class_trace_ir_to_ctf_ir( | |
143 | trace->fs_sink, trace->trace, bt_stream_borrow_class_const(ir_stream), &stream->sc); | |
144 | if (ret) { | |
145 | goto error; | |
146 | } | |
147 | ||
148 | set_stream_file_name(stream); | |
149 | g_string_append_printf(path, "/%s", stream->file_name->str); | |
150 | ret = bt_ctfser_init(&stream->ctfser, path->str, stream->log_level); | |
151 | if (ret) { | |
152 | goto error; | |
153 | } | |
154 | ||
155 | g_hash_table_insert(trace->streams, (gpointer) ir_stream, stream); | |
156 | goto end; | |
15fe47e0 PP |
157 | |
158 | error: | |
4164020e SM |
159 | fs_sink_stream_destroy(stream); |
160 | stream = NULL; | |
15fe47e0 PP |
161 | |
162 | end: | |
4164020e SM |
163 | if (path) { |
164 | g_string_free(path, TRUE); | |
165 | } | |
15fe47e0 | 166 | |
4164020e | 167 | return stream; |
15fe47e0 PP |
168 | } |
169 | ||
4164020e SM |
170 | static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc, |
171 | const bt_field *field); | |
15fe47e0 | 172 | |
4164020e SM |
173 | static inline int write_bool_field(struct fs_sink_stream *stream, |
174 | struct fs_sink_ctf_field_class_bool *fc, const bt_field *field) | |
ecd27ae4 | 175 | { |
4164020e SM |
176 | /* |
177 | * CTF 1.8 has no boolean field class type, so this component | |
178 | * translates this boolean field to an 8-bit unsigned integer | |
179 | * field which has the value 0 (false) or 1 (true). | |
180 | */ | |
181 | return bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_bool_get_value(field) ? 1 : 0, | |
182 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
ecd27ae4 PP |
183 | } |
184 | ||
4164020e SM |
185 | static inline int write_bit_array_field(struct fs_sink_stream *stream, |
186 | struct fs_sink_ctf_field_class_bit_array *fc, | |
187 | const bt_field *field) | |
43a94dc9 | 188 | { |
4164020e SM |
189 | /* |
190 | * CTF 1.8 has no bit array field class type, so this component | |
191 | * translates this bit array field to an unsigned integer field. | |
192 | */ | |
193 | return bt_ctfser_write_unsigned_int(&stream->ctfser, | |
194 | bt_field_bit_array_get_value_as_integer(field), | |
195 | fc->base.alignment, fc->size, BYTE_ORDER); | |
43a94dc9 PP |
196 | } |
197 | ||
4164020e SM |
198 | static inline int write_int_field(struct fs_sink_stream *stream, |
199 | struct fs_sink_ctf_field_class_int *fc, const bt_field *field) | |
15fe47e0 | 200 | { |
4164020e SM |
201 | int ret; |
202 | ||
203 | if (fc->is_signed) { | |
204 | ret = bt_ctfser_write_signed_int(&stream->ctfser, bt_field_integer_signed_get_value(field), | |
205 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
206 | } else { | |
207 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, | |
208 | bt_field_integer_unsigned_get_value(field), | |
209 | fc->base.base.alignment, fc->base.size, BYTE_ORDER); | |
210 | } | |
211 | ||
212 | return ret; | |
15fe47e0 PP |
213 | } |
214 | ||
4164020e SM |
215 | static inline int write_float_field(struct fs_sink_stream *stream, |
216 | struct fs_sink_ctf_field_class_float *fc, const bt_field *field) | |
15fe47e0 | 217 | { |
4164020e SM |
218 | int ret; |
219 | double val; | |
220 | ||
221 | if (fc->base.size == 32) { | |
222 | val = (double) bt_field_real_single_precision_get_value(field); | |
223 | ret = bt_ctfser_write_float32(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER); | |
224 | } else { | |
225 | val = bt_field_real_double_precision_get_value(field); | |
226 | ret = bt_ctfser_write_float64(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER); | |
227 | } | |
228 | ||
229 | return ret; | |
15fe47e0 PP |
230 | } |
231 | ||
0326ed80 | 232 | static inline int write_string_field(struct fs_sink_stream *stream, const bt_field *field) |
15fe47e0 | 233 | { |
4164020e | 234 | return bt_ctfser_write_string(&stream->ctfser, bt_field_string_get_value(field)); |
15fe47e0 PP |
235 | } |
236 | ||
4164020e SM |
237 | static inline int write_array_base_field_elements(struct fs_sink_stream *stream, |
238 | struct fs_sink_ctf_field_class_array_base *fc, | |
239 | const bt_field *field) | |
15fe47e0 | 240 | { |
4164020e SM |
241 | uint64_t i; |
242 | uint64_t len = bt_field_array_get_length(field); | |
243 | int ret = 0; | |
244 | ||
245 | for (i = 0; i < len; i++) { | |
246 | const bt_field *elem_field = bt_field_array_borrow_element_field_by_index_const(field, i); | |
247 | ret = write_field(stream, fc->elem_fc, elem_field); | |
248 | if (G_UNLIKELY(ret)) { | |
249 | goto end; | |
250 | } | |
251 | } | |
15fe47e0 PP |
252 | |
253 | end: | |
4164020e | 254 | return ret; |
15fe47e0 PP |
255 | } |
256 | ||
4164020e SM |
257 | static inline int write_sequence_field(struct fs_sink_stream *stream, |
258 | struct fs_sink_ctf_field_class_sequence *fc, | |
259 | const bt_field *field) | |
15fe47e0 | 260 | { |
4164020e | 261 | int ret; |
15fe47e0 | 262 | |
4164020e SM |
263 | if (fc->length_is_before) { |
264 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_array_get_length(field), 8, 32, | |
265 | BYTE_ORDER); | |
266 | if (G_UNLIKELY(ret)) { | |
267 | goto end; | |
268 | } | |
269 | } | |
15fe47e0 | 270 | |
4164020e | 271 | ret = write_array_base_field_elements(stream, &fc->base, field); |
15fe47e0 PP |
272 | |
273 | end: | |
4164020e | 274 | return ret; |
15fe47e0 PP |
275 | } |
276 | ||
4164020e SM |
277 | static inline int write_struct_field(struct fs_sink_stream *stream, |
278 | struct fs_sink_ctf_field_class_struct *fc, | |
279 | const bt_field *field, bool align_struct) | |
15fe47e0 | 280 | { |
4164020e SM |
281 | int ret = 0; |
282 | uint64_t i; | |
283 | ||
284 | if (G_LIKELY(align_struct)) { | |
285 | ret = bt_ctfser_align_offset_in_current_packet(&stream->ctfser, fc->base.alignment); | |
286 | if (G_UNLIKELY(ret)) { | |
287 | goto end; | |
288 | } | |
289 | } | |
290 | ||
291 | for (i = 0; i < fc->members->len; i++) { | |
292 | const bt_field *memb_field = | |
293 | bt_field_structure_borrow_member_field_by_index_const(field, i); | |
294 | struct fs_sink_ctf_field_class *member_fc = | |
295 | fs_sink_ctf_field_class_struct_borrow_member_by_index(fc, i)->fc; | |
296 | ||
297 | ret = write_field(stream, member_fc, memb_field); | |
298 | if (G_UNLIKELY(ret)) { | |
299 | goto end; | |
300 | } | |
301 | } | |
15fe47e0 PP |
302 | |
303 | end: | |
4164020e | 304 | return ret; |
15fe47e0 PP |
305 | } |
306 | ||
4164020e SM |
307 | static inline int write_option_field(struct fs_sink_stream *stream, |
308 | struct fs_sink_ctf_field_class_option *fc, | |
309 | const bt_field *field) | |
c25f8e53 | 310 | { |
4164020e SM |
311 | int ret; |
312 | const bt_field *content_field = bt_field_option_borrow_field_const(field); | |
313 | ||
314 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, content_field ? 1 : 0, 8, 8, BYTE_ORDER); | |
315 | if (G_UNLIKELY(ret)) { | |
316 | goto end; | |
317 | } | |
318 | ||
319 | /* | |
320 | * CTF 1.8 has no option field class type, so this component | |
321 | * translates the option field class to a variant field class | |
322 | * where the options are: | |
323 | * | |
324 | * * An empty structure field class (field occupies 0 bits). | |
325 | * * The optional field class itself. | |
326 | * | |
327 | * If `content_field` is `NULL`, do not write anything (empty | |
328 | * structure). | |
329 | */ | |
330 | if (content_field) { | |
331 | ret = write_field(stream, fc->content_fc, content_field); | |
332 | } | |
c25f8e53 PP |
333 | |
334 | end: | |
4164020e | 335 | return ret; |
c25f8e53 PP |
336 | } |
337 | ||
4164020e SM |
338 | static inline int write_variant_field(struct fs_sink_stream *stream, |
339 | struct fs_sink_ctf_field_class_variant *fc, | |
340 | const bt_field *field) | |
15fe47e0 | 341 | { |
4164020e SM |
342 | uint64_t opt_index = bt_field_variant_get_selected_option_index(field); |
343 | int ret; | |
344 | ||
345 | if (fc->tag_is_before) { | |
346 | ret = bt_ctfser_write_unsigned_int(&stream->ctfser, opt_index, 8, 16, BYTE_ORDER); | |
347 | if (G_UNLIKELY(ret)) { | |
348 | goto end; | |
349 | } | |
350 | } | |
351 | ||
352 | ret = write_field(stream, | |
353 | fs_sink_ctf_field_class_variant_borrow_option_by_index(fc, opt_index)->fc, | |
354 | bt_field_variant_borrow_selected_option_field_const(field)); | |
15fe47e0 PP |
355 | |
356 | end: | |
4164020e | 357 | return ret; |
15fe47e0 PP |
358 | } |
359 | ||
4164020e SM |
360 | static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc, |
361 | const bt_field *field) | |
15fe47e0 | 362 | { |
4164020e SM |
363 | int ret; |
364 | ||
365 | switch (fc->type) { | |
366 | case FS_SINK_CTF_FIELD_CLASS_TYPE_BOOL: | |
367 | ret = write_bool_field(stream, fs_sink_ctf_field_class_as_bool(fc), field); | |
368 | break; | |
369 | case FS_SINK_CTF_FIELD_CLASS_TYPE_BIT_ARRAY: | |
370 | ret = write_bit_array_field(stream, fs_sink_ctf_field_class_as_bit_array(fc), field); | |
371 | break; | |
372 | case FS_SINK_CTF_FIELD_CLASS_TYPE_INT: | |
373 | ret = write_int_field(stream, fs_sink_ctf_field_class_as_int(fc), field); | |
374 | break; | |
375 | case FS_SINK_CTF_FIELD_CLASS_TYPE_FLOAT: | |
376 | ret = write_float_field(stream, fs_sink_ctf_field_class_as_float(fc), field); | |
377 | break; | |
378 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRING: | |
0326ed80 | 379 | ret = write_string_field(stream, field); |
4164020e SM |
380 | break; |
381 | case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT: | |
382 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(fc), field, true); | |
383 | break; | |
384 | case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY: | |
385 | ret = write_array_base_field_elements(stream, fs_sink_ctf_field_class_as_array_base(fc), | |
386 | field); | |
387 | break; | |
388 | case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE: | |
389 | ret = write_sequence_field(stream, fs_sink_ctf_field_class_as_sequence(fc), field); | |
390 | break; | |
391 | case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION: | |
392 | ret = write_option_field(stream, fs_sink_ctf_field_class_as_option(fc), field); | |
393 | break; | |
394 | case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT: | |
395 | ret = write_variant_field(stream, fs_sink_ctf_field_class_as_variant(fc), field); | |
396 | break; | |
397 | default: | |
398 | bt_common_abort(); | |
399 | } | |
400 | ||
401 | return ret; | |
15fe47e0 PP |
402 | } |
403 | ||
4164020e SM |
404 | static inline int write_event_header(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
405 | struct fs_sink_ctf_event_class *ec) | |
15fe47e0 | 406 | { |
4164020e SM |
407 | int ret; |
408 | ||
409 | /* Event class ID */ | |
410 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
411 | &stream->ctfser, bt_event_class_get_id(ec->ir_ec), 8, 64, BYTE_ORDER); | |
412 | if (G_UNLIKELY(ret)) { | |
413 | goto end; | |
414 | } | |
415 | ||
416 | /* Time */ | |
417 | if (stream->sc->default_clock_class) { | |
418 | BT_ASSERT_DBG(cs); | |
419 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
420 | &stream->ctfser, bt_clock_snapshot_get_value(cs), 8, 64, BYTE_ORDER); | |
421 | if (G_UNLIKELY(ret)) { | |
422 | goto end; | |
423 | } | |
424 | } | |
15fe47e0 PP |
425 | |
426 | end: | |
4164020e | 427 | return ret; |
15fe47e0 PP |
428 | } |
429 | ||
4164020e SM |
430 | int fs_sink_stream_write_event(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
431 | const bt_event *event, struct fs_sink_ctf_event_class *ec) | |
15fe47e0 | 432 | { |
4164020e SM |
433 | int ret; |
434 | const bt_field *field; | |
435 | ||
436 | /* Header */ | |
437 | ret = write_event_header(stream, cs, ec); | |
438 | if (G_UNLIKELY(ret)) { | |
439 | goto end; | |
440 | } | |
441 | ||
442 | /* Common context */ | |
443 | if (stream->sc->event_common_context_fc) { | |
444 | field = bt_event_borrow_common_context_field_const(event); | |
445 | BT_ASSERT_DBG(field); | |
446 | ret = write_struct_field( | |
447 | stream, fs_sink_ctf_field_class_as_struct(stream->sc->event_common_context_fc), field, | |
448 | true); | |
449 | if (G_UNLIKELY(ret)) { | |
450 | goto end; | |
451 | } | |
452 | } | |
453 | ||
454 | /* Specific context */ | |
455 | if (ec->spec_context_fc) { | |
456 | field = bt_event_borrow_specific_context_field_const(event); | |
457 | BT_ASSERT_DBG(field); | |
458 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->spec_context_fc), | |
459 | field, true); | |
460 | if (G_UNLIKELY(ret)) { | |
461 | goto end; | |
462 | } | |
463 | } | |
464 | ||
465 | /* Specific context */ | |
466 | if (ec->payload_fc) { | |
467 | field = bt_event_borrow_payload_field_const(event); | |
468 | BT_ASSERT_DBG(field); | |
469 | ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->payload_fc), field, | |
470 | true); | |
471 | if (G_UNLIKELY(ret)) { | |
472 | goto end; | |
473 | } | |
474 | } | |
15fe47e0 PP |
475 | |
476 | end: | |
4164020e | 477 | return ret; |
15fe47e0 PP |
478 | } |
479 | ||
4164020e | 480 | static int write_packet_context(struct fs_sink_stream *stream) |
15fe47e0 | 481 | { |
4164020e SM |
482 | int ret; |
483 | ||
484 | /* Packet total size */ | |
485 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
486 | &stream->ctfser, stream->packet_state.total_size, 8, 64, BYTE_ORDER); | |
487 | if (ret) { | |
488 | goto end; | |
489 | } | |
490 | ||
491 | /* Packet content size */ | |
492 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
493 | &stream->ctfser, stream->packet_state.content_size, 8, 64, BYTE_ORDER); | |
494 | if (ret) { | |
495 | goto end; | |
496 | } | |
497 | ||
498 | if (stream->sc->packets_have_ts_begin) { | |
499 | /* Beginning time */ | |
500 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
501 | &stream->ctfser, stream->packet_state.beginning_cs, 8, 64, BYTE_ORDER); | |
502 | if (ret) { | |
503 | goto end; | |
504 | } | |
505 | } | |
506 | ||
507 | if (stream->sc->packets_have_ts_end) { | |
508 | /* End time */ | |
509 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
510 | &stream->ctfser, stream->packet_state.end_cs, 8, 64, BYTE_ORDER); | |
511 | if (ret) { | |
512 | goto end; | |
513 | } | |
514 | } | |
515 | ||
516 | if (stream->sc->has_discarded_events) { | |
517 | /* Discarded event counter */ | |
518 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
519 | &stream->ctfser, stream->packet_state.discarded_events_counter, 8, 64, BYTE_ORDER); | |
520 | if (ret) { | |
521 | goto end; | |
522 | } | |
523 | } | |
524 | ||
525 | /* Sequence number */ | |
526 | ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, stream->packet_state.seq_num, | |
527 | 8, 64, BYTE_ORDER); | |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | ||
532 | /* Other members */ | |
533 | if (stream->sc->packet_context_fc) { | |
534 | const bt_field *packet_context_field; | |
535 | ||
536 | BT_ASSERT(stream->packet_state.packet); | |
537 | packet_context_field = bt_packet_borrow_context_field_const(stream->packet_state.packet); | |
538 | BT_ASSERT(packet_context_field); | |
539 | ret = write_struct_field(stream, | |
540 | fs_sink_ctf_field_class_as_struct(stream->sc->packet_context_fc), | |
541 | packet_context_field, false); | |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | } | |
15fe47e0 PP |
546 | |
547 | end: | |
4164020e | 548 | return ret; |
15fe47e0 PP |
549 | } |
550 | ||
4164020e SM |
551 | int fs_sink_stream_open_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs, |
552 | const bt_packet *packet) | |
15fe47e0 | 553 | { |
4164020e SM |
554 | int ret; |
555 | uint64_t i; | |
556 | ||
557 | BT_ASSERT(!stream->packet_state.is_open); | |
558 | bt_packet_put_ref(stream->packet_state.packet); | |
559 | stream->packet_state.packet = packet; | |
560 | bt_packet_get_ref(stream->packet_state.packet); | |
561 | if (cs) { | |
562 | stream->packet_state.beginning_cs = bt_clock_snapshot_get_value(cs); | |
563 | } | |
564 | ||
565 | /* Open packet */ | |
566 | ret = bt_ctfser_open_packet(&stream->ctfser); | |
567 | if (ret) { | |
568 | /* bt_ctfser_open_packet() logs errors */ | |
569 | goto end; | |
570 | } | |
571 | ||
572 | /* Packet header: magic */ | |
573 | ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, UINT64_C(0xc1fc1fc1), 8, 32, | |
574 | BYTE_ORDER); | |
575 | if (ret) { | |
576 | BT_COMP_LOGE("Error writing packet header magic: stream-file-name=%s", | |
577 | stream->file_name->str); | |
578 | goto end; | |
579 | } | |
580 | ||
581 | /* Packet header: UUID */ | |
582 | for (i = 0; i < BT_UUID_LEN; i++) { | |
583 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
584 | &stream->ctfser, (uint64_t) stream->sc->trace->uuid[i], 8, 8, BYTE_ORDER); | |
585 | if (ret) { | |
586 | BT_COMP_LOGE("Error writing packet header UUID: stream-file-name=%s", | |
587 | stream->file_name->str); | |
588 | goto end; | |
589 | } | |
590 | } | |
591 | ||
592 | /* Packet header: stream class ID */ | |
593 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
594 | &stream->ctfser, bt_stream_class_get_id(stream->sc->ir_sc), 8, 64, BYTE_ORDER); | |
595 | if (ret) { | |
596 | BT_COMP_LOGE("Error writing packet header stream class id: " | |
597 | "stream-file-name=%s, stream-class-id=%" PRIu64, | |
598 | stream->file_name->str, bt_stream_class_get_id(stream->sc->ir_sc)); | |
599 | goto end; | |
600 | } | |
601 | ||
602 | /* Packet header: stream ID */ | |
603 | ret = bt_ctfser_write_byte_aligned_unsigned_int( | |
604 | &stream->ctfser, bt_stream_get_id(stream->ir_stream), 8, 64, BYTE_ORDER); | |
605 | if (ret) { | |
606 | BT_COMP_LOGE("Error writing packet header stream id: " | |
607 | "stream-file-name=%s, stream-id=%" PRIu64, | |
608 | stream->file_name->str, bt_stream_get_id(stream->ir_stream)); | |
609 | goto end; | |
610 | } | |
611 | ||
612 | /* Save packet context's offset to rewrite it later */ | |
613 | stream->packet_state.context_offset_bits = | |
614 | bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser); | |
615 | ||
616 | /* Write packet context just to advance to content (first event) */ | |
617 | ret = write_packet_context(stream); | |
618 | if (ret) { | |
619 | goto end; | |
620 | } | |
621 | ||
622 | stream->packet_state.is_open = true; | |
15fe47e0 PP |
623 | |
624 | end: | |
4164020e | 625 | return ret; |
15fe47e0 PP |
626 | } |
627 | ||
4164020e | 628 | int fs_sink_stream_close_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs) |
15fe47e0 | 629 | { |
4164020e SM |
630 | int ret; |
631 | ||
632 | BT_ASSERT(stream->packet_state.is_open); | |
633 | ||
634 | if (cs) { | |
635 | stream->packet_state.end_cs = bt_clock_snapshot_get_value(cs); | |
636 | } | |
637 | ||
638 | stream->packet_state.content_size = | |
639 | bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser); | |
640 | stream->packet_state.total_size = (stream->packet_state.content_size + 7) & ~UINT64_C(7); | |
641 | ||
642 | /* Rewrite packet context */ | |
643 | bt_ctfser_set_offset_in_current_packet_bits(&stream->ctfser, | |
644 | stream->packet_state.context_offset_bits); | |
645 | ret = write_packet_context(stream); | |
646 | if (ret) { | |
647 | goto end; | |
648 | } | |
649 | ||
650 | /* Close packet */ | |
651 | bt_ctfser_close_current_packet(&stream->ctfser, stream->packet_state.total_size / 8); | |
652 | ||
653 | /* Partially copy current packet state to previous packet state */ | |
654 | stream->prev_packet_state.end_cs = stream->packet_state.end_cs; | |
655 | stream->prev_packet_state.discarded_events_counter = | |
656 | stream->packet_state.discarded_events_counter; | |
657 | stream->prev_packet_state.seq_num = stream->packet_state.seq_num; | |
658 | ||
659 | /* Reset current packet state */ | |
660 | stream->packet_state.beginning_cs = UINT64_C(-1); | |
661 | stream->packet_state.end_cs = UINT64_C(-1); | |
662 | stream->packet_state.content_size = 0; | |
663 | stream->packet_state.total_size = 0; | |
664 | stream->packet_state.seq_num += 1; | |
665 | stream->packet_state.context_offset_bits = 0; | |
666 | stream->packet_state.is_open = false; | |
667 | BT_PACKET_PUT_REF_AND_RESET(stream->packet_state.packet); | |
15fe47e0 PP |
668 | |
669 | end: | |
4164020e | 670 | return ret; |
15fe47e0 | 671 | } |