Commit | Line | Data |
---|---|---|
642ec66d MD |
1 | /* |
2 | * BabelTrace - Common Trace Format (CTF) | |
3 | * | |
4 | * CTF Text Format registration. | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
642ec66d MD |
9 | * |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | */ | |
20 | ||
21 | #include <babeltrace/format.h> | |
22 | #include <babeltrace/ctf-text/types.h> | |
31262354 | 23 | #include <babeltrace/ctf/metadata.h> |
70bd0a12 | 24 | #include <babeltrace/babeltrace-internal.h> |
642ec66d MD |
25 | #include <inttypes.h> |
26 | #include <uuid/uuid.h> | |
27 | #include <sys/mman.h> | |
28 | #include <errno.h> | |
29 | #include <sys/types.h> | |
30 | #include <sys/stat.h> | |
31 | #include <fcntl.h> | |
32 | #include <dirent.h> | |
33 | #include <glib.h> | |
34 | #include <unistd.h> | |
35 | #include <stdlib.h> | |
36 | ||
bfe74b8c MD |
37 | #define NSEC_PER_SEC 1000000000ULL |
38 | ||
cba1661c MD |
39 | int opt_all_field_names, |
40 | opt_scope_field_names, | |
41 | opt_header_field_names, | |
42 | opt_context_field_names, | |
82662ad4 | 43 | opt_payload_field_names, |
359d7456 MD |
44 | opt_all_fields, |
45 | opt_trace_field, | |
46 | opt_trace_domain_field, | |
47 | opt_trace_procname_field, | |
48 | opt_trace_vpid_field, | |
49 | opt_loglevel_field, | |
11ac6674 MD |
50 | opt_delta_field = 1, |
51 | opt_clock_raw, | |
52 | opt_clock_seconds, | |
53 | opt_clock_date, | |
54 | opt_clock_gmt; | |
55 | ||
56 | uint64_t opt_clock_offset; | |
cba1661c MD |
57 | |
58 | enum field_item { | |
59 | ITEM_SCOPE, | |
60 | ITEM_HEADER, | |
61 | ITEM_CONTEXT, | |
62 | ITEM_PAYLOAD, | |
63 | }; | |
b88d6e85 | 64 | |
8c250d87 MD |
65 | struct trace_descriptor *ctf_text_open_trace(const char *collection_path, |
66 | const char *path, int flags, | |
b086c01a | 67 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
ae23d232 | 68 | int whence), FILE *metadata_fp); |
642ec66d MD |
69 | void ctf_text_close_trace(struct trace_descriptor *descriptor); |
70 | ||
642ec66d MD |
71 | static |
72 | rw_dispatch write_dispatch_table[] = { | |
73 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
74 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
75 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
76 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
77 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
78 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
79 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
80 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
81 | }; | |
82 | ||
83 | static | |
84 | struct format ctf_text_format = { | |
85 | .open_trace = ctf_text_open_trace, | |
86 | .close_trace = ctf_text_close_trace, | |
87 | }; | |
88 | ||
d335f0f7 MD |
89 | static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN, |
90 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END, | |
91 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED, | |
92 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE, | |
93 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE; | |
94 | ||
95 | static | |
96 | void __attribute__((constructor)) init_quarks(void) | |
97 | { | |
98 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin"); | |
99 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end"); | |
100 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded"); | |
101 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size"); | |
102 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size"); | |
103 | } | |
104 | ||
105 | int print_field(struct definition *definition) | |
106 | { | |
107 | /* Print all fields in verbose mode */ | |
108 | if (babeltrace_verbose) | |
109 | return 1; | |
110 | ||
111 | /* Filter out part of the packet context */ | |
112 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN) | |
113 | return 0; | |
114 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END) | |
115 | return 0; | |
116 | if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED) | |
117 | return 0; | |
118 | if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE) | |
119 | return 0; | |
120 | if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE) | |
121 | return 0; | |
122 | ||
123 | return 1; | |
124 | } | |
125 | ||
cba1661c MD |
126 | static |
127 | void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item) | |
128 | { | |
129 | switch (item) { | |
130 | case ITEM_SCOPE: | |
131 | if (opt_all_field_names || opt_scope_field_names) | |
132 | pos->print_names = 1; | |
133 | else | |
134 | pos->print_names = 0; | |
135 | break; | |
136 | case ITEM_HEADER: | |
137 | if (opt_all_field_names || opt_header_field_names) | |
138 | pos->print_names = 1; | |
139 | else | |
140 | pos->print_names = 0; | |
141 | break; | |
142 | case ITEM_CONTEXT: | |
143 | if (opt_all_field_names || opt_context_field_names) | |
144 | pos->print_names = 1; | |
145 | else | |
146 | pos->print_names = 0; | |
147 | break; | |
148 | case ITEM_PAYLOAD: | |
149 | if (opt_all_field_names || opt_payload_field_names) | |
150 | pos->print_names = 1; | |
151 | else | |
152 | pos->print_names = 0; | |
153 | ||
154 | break; | |
155 | default: | |
156 | assert(0); | |
157 | } | |
158 | } | |
159 | ||
11ac6674 | 160 | static |
fca04958 MD |
161 | void ctf_text_print_timestamp(FILE *fp, struct ctf_text_stream_pos *pos, |
162 | struct ctf_stream *stream, | |
163 | uint64_t timestamp) | |
11ac6674 MD |
164 | { |
165 | uint64_t ts_sec = 0, ts_nsec; | |
fa709ab2 MD |
166 | struct ctf_trace *trace = stream->stream_class->trace; |
167 | struct trace_collection *tc = trace->collection; | |
168 | struct ctf_clock *clock = tc->single_clock; | |
11ac6674 | 169 | |
fca04958 | 170 | ts_nsec = timestamp; |
11ac6674 MD |
171 | |
172 | /* Add offsets */ | |
fa709ab2 MD |
173 | if (!opt_clock_raw && clock) { |
174 | ts_sec += clock->offset_s; | |
175 | ts_nsec += clock->offset; | |
11ac6674 MD |
176 | } |
177 | ts_sec += opt_clock_offset; | |
178 | ||
179 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
180 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
181 | ||
182 | if (!opt_clock_seconds) { | |
183 | struct tm tm; | |
184 | time_t time_s = (time_t) ts_sec; | |
185 | ||
186 | if (!opt_clock_gmt) { | |
187 | struct tm *res; | |
188 | ||
189 | res = localtime_r(&time_s, &tm); | |
190 | if (!res) { | |
191 | fprintf(stderr, "[warning] Unable to get localtime.\n"); | |
192 | goto seconds; | |
193 | } | |
194 | } else { | |
195 | struct tm *res; | |
196 | ||
197 | res = gmtime_r(&time_s, &tm); | |
198 | if (!res) { | |
199 | fprintf(stderr, "[warning] Unable to get gmtime.\n"); | |
200 | goto seconds; | |
201 | } | |
202 | } | |
203 | if (opt_clock_date) { | |
204 | char timestr[26]; | |
205 | size_t res; | |
206 | ||
207 | /* Print date and time */ | |
208 | res = strftime(timestr, sizeof(timestr), | |
209 | "%F ", &tm); | |
210 | if (!res) { | |
211 | fprintf(stderr, "[warning] Unable to print ascii time.\n"); | |
212 | goto seconds; | |
213 | } | |
fca04958 | 214 | fprintf(fp, "%s", timestr); |
11ac6674 MD |
215 | } |
216 | /* Print time in HH:MM:SS.ns */ | |
fca04958 | 217 | fprintf(fp, "%02d:%02d:%02d.%09" PRIu64, |
11ac6674 MD |
218 | tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec); |
219 | goto end; | |
220 | } | |
221 | seconds: | |
fca04958 | 222 | fprintf(fp, "%3" PRIu64 ".%09" PRIu64, |
11ac6674 MD |
223 | ts_sec, ts_nsec); |
224 | ||
225 | end: | |
226 | return; | |
227 | } | |
228 | ||
31262354 MD |
229 | static |
230 | int ctf_text_write_event(struct stream_pos *ppos, | |
764af3f4 | 231 | struct ctf_stream *stream) |
31262354 MD |
232 | { |
233 | struct ctf_text_stream_pos *pos = | |
234 | container_of(ppos, struct ctf_text_stream_pos, parent); | |
764af3f4 | 235 | struct ctf_stream_class *stream_class = stream->stream_class; |
fd3382e8 | 236 | int field_nr_saved; |
31262354 | 237 | struct ctf_event *event_class; |
42dc00b7 | 238 | struct ctf_stream_event *event; |
c87a8eb2 | 239 | uint64_t id; |
31262354 | 240 | int ret; |
8c250d87 | 241 | int dom_print = 0; |
31262354 | 242 | |
c87a8eb2 | 243 | id = stream->event_id; |
31262354 MD |
244 | |
245 | if (id >= stream_class->events_by_id->len) { | |
3394d22e | 246 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
247 | return -EINVAL; |
248 | } | |
e28d4618 MD |
249 | event = g_ptr_array_index(stream->events_by_id, id); |
250 | if (!event) { | |
3394d22e | 251 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
e28d4618 MD |
252 | return -EINVAL; |
253 | } | |
31262354 | 254 | event_class = g_ptr_array_index(stream_class->events_by_id, id); |
e28d4618 | 255 | if (!event) { |
3394d22e | 256 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
257 | return -EINVAL; |
258 | } | |
259 | ||
fca04958 MD |
260 | /* Print events discarded */ |
261 | if (stream->events_discarded) { | |
262 | fflush(stdout); | |
263 | fprintf(stderr, "[warning] Tracer discarded %d events between [", | |
264 | stream->events_discarded); | |
265 | ctf_text_print_timestamp(stderr, pos, stream, stream->prev_timestamp); | |
266 | fprintf(stderr, "] and ["); | |
267 | ctf_text_print_timestamp(stderr, pos, stream, stream->timestamp); | |
268 | fprintf(stderr, "]. You should consider increasing the buffer size.\n"); | |
269 | fflush(stderr); | |
270 | stream->events_discarded = 0; | |
271 | } | |
272 | ||
5e2eb0ae | 273 | if (stream->has_timestamp) { |
cba1661c | 274 | set_field_names_print(pos, ITEM_HEADER); |
be60c7fb MD |
275 | if (pos->print_names) |
276 | fprintf(pos->fp, "timestamp = "); | |
277 | else | |
278 | fprintf(pos->fp, "["); | |
fca04958 | 279 | ctf_text_print_timestamp(pos->fp, pos, stream, stream->timestamp); |
be60c7fb MD |
280 | if (!pos->print_names) |
281 | fprintf(pos->fp, "]"); | |
aa6bffae | 282 | |
be60c7fb MD |
283 | if (pos->print_names) |
284 | fprintf(pos->fp, ", "); | |
285 | else | |
286 | fprintf(pos->fp, " "); | |
287 | } | |
359d7456 | 288 | if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) { |
8d8ed9af MD |
289 | uint64_t delta, delta_sec, delta_nsec; |
290 | ||
291 | set_field_names_print(pos, ITEM_HEADER); | |
292 | if (pos->print_names) | |
293 | fprintf(pos->fp, "delta = "); | |
294 | else | |
295 | fprintf(pos->fp, "("); | |
296 | if (pos->last_timestamp != -1ULL) { | |
297 | delta = stream->timestamp - pos->last_timestamp; | |
298 | delta_sec = delta / NSEC_PER_SEC; | |
299 | delta_nsec = delta % NSEC_PER_SEC; | |
300 | fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64, | |
301 | delta_sec, delta_nsec); | |
302 | } else { | |
303 | fprintf(pos->fp, "+?.?????????"); | |
304 | } | |
305 | if (!pos->print_names) | |
306 | fprintf(pos->fp, ")"); | |
307 | ||
308 | if (pos->print_names) | |
309 | fprintf(pos->fp, ", "); | |
310 | else | |
311 | fprintf(pos->fp, " "); | |
312 | pos->last_timestamp = stream->timestamp; | |
313 | } | |
314 | ||
359d7456 | 315 | if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') { |
82662ad4 | 316 | set_field_names_print(pos, ITEM_HEADER); |
8c250d87 | 317 | if (pos->print_names) { |
359d7456 | 318 | fprintf(pos->fp, "trace = "); |
8c250d87 | 319 | } |
82662ad4 | 320 | fprintf(pos->fp, "%s", stream_class->trace->path); |
82662ad4 MD |
321 | if (pos->print_names) |
322 | fprintf(pos->fp, ", "); | |
323 | else | |
324 | fprintf(pos->fp, " "); | |
325 | } | |
359d7456 | 326 | if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->domain[0] != '\0') { |
8c250d87 MD |
327 | set_field_names_print(pos, ITEM_HEADER); |
328 | if (pos->print_names) { | |
329 | fprintf(pos->fp, "trace:domain = "); | |
330 | } | |
359d7456 | 331 | fprintf(pos->fp, "%s", stream_class->trace->domain); |
8c250d87 MD |
332 | if (pos->print_names) |
333 | fprintf(pos->fp, ", "); | |
334 | dom_print = 1; | |
335 | } | |
359d7456 | 336 | if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->procname[0] != '\0') { |
8c250d87 MD |
337 | set_field_names_print(pos, ITEM_HEADER); |
338 | if (pos->print_names) { | |
339 | fprintf(pos->fp, "trace:procname = "); | |
340 | } else if (dom_print) { | |
341 | fprintf(pos->fp, ":"); | |
342 | } | |
359d7456 | 343 | fprintf(pos->fp, "%s", stream_class->trace->procname); |
8c250d87 MD |
344 | if (pos->print_names) |
345 | fprintf(pos->fp, ", "); | |
346 | dom_print = 1; | |
347 | } | |
359d7456 | 348 | if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->vpid[0] != '\0') { |
8c250d87 MD |
349 | set_field_names_print(pos, ITEM_HEADER); |
350 | if (pos->print_names) { | |
351 | fprintf(pos->fp, "trace:vpid = "); | |
352 | } else if (dom_print) { | |
353 | fprintf(pos->fp, ":"); | |
354 | } | |
359d7456 | 355 | fprintf(pos->fp, "%s", stream_class->trace->vpid); |
8c250d87 MD |
356 | if (pos->print_names) |
357 | fprintf(pos->fp, ", "); | |
358 | dom_print = 1; | |
359 | } | |
359d7456 | 360 | if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel_identifier != 0) { |
d86d62f8 MD |
361 | set_field_names_print(pos, ITEM_HEADER); |
362 | if (pos->print_names) { | |
363 | fprintf(pos->fp, "loglevel = "); | |
364 | } else if (dom_print) { | |
365 | fprintf(pos->fp, ":"); | |
366 | } | |
d86d62f8 MD |
367 | fprintf(pos->fp, "%s (%lld)", |
368 | g_quark_to_string(event_class->loglevel_identifier), | |
369 | (long long) event_class->loglevel_value); | |
370 | if (pos->print_names) | |
371 | fprintf(pos->fp, ", "); | |
372 | dom_print = 1; | |
373 | } | |
8c250d87 MD |
374 | if (dom_print && !pos->print_names) |
375 | fprintf(pos->fp, " "); | |
cba1661c | 376 | set_field_names_print(pos, ITEM_HEADER); |
31262354 MD |
377 | if (pos->print_names) |
378 | fprintf(pos->fp, "name = "); | |
8178fe48 MD |
379 | fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); |
380 | if (pos->print_names) | |
fd3382e8 | 381 | pos->field_nr++; |
8178fe48 | 382 | else |
fd3382e8 | 383 | fprintf(pos->fp, ":"); |
31262354 | 384 | |
e28d4618 MD |
385 | /* print cpuid field from packet context */ |
386 | if (stream->stream_packet_context) { | |
387 | if (pos->field_nr++ != 0) | |
388 | fprintf(pos->fp, ","); | |
cba1661c | 389 | set_field_names_print(pos, ITEM_SCOPE); |
e28d4618 MD |
390 | if (pos->print_names) |
391 | fprintf(pos->fp, " stream.packet.context ="); | |
392 | field_nr_saved = pos->field_nr; | |
393 | pos->field_nr = 0; | |
cba1661c | 394 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 MD |
395 | ret = generic_rw(ppos, &stream->stream_packet_context->p); |
396 | if (ret) | |
397 | goto error; | |
398 | pos->field_nr = field_nr_saved; | |
399 | } | |
400 | ||
764af3f4 | 401 | /* Only show the event header in verbose mode */ |
e28d4618 | 402 | if (babeltrace_verbose && stream->stream_event_header) { |
fd3382e8 MD |
403 | if (pos->field_nr++ != 0) |
404 | fprintf(pos->fp, ","); | |
cba1661c | 405 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 406 | if (pos->print_names) |
fd3382e8 MD |
407 | fprintf(pos->fp, " stream.event.header ="); |
408 | field_nr_saved = pos->field_nr; | |
409 | pos->field_nr = 0; | |
cba1661c | 410 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 411 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
31262354 MD |
412 | if (ret) |
413 | goto error; | |
fd3382e8 | 414 | pos->field_nr = field_nr_saved; |
31262354 MD |
415 | } |
416 | ||
417 | /* print stream-declared event context */ | |
e28d4618 | 418 | if (stream->stream_event_context) { |
fd3382e8 MD |
419 | if (pos->field_nr++ != 0) |
420 | fprintf(pos->fp, ","); | |
cba1661c | 421 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 422 | if (pos->print_names) |
fd3382e8 MD |
423 | fprintf(pos->fp, " stream.event.context ="); |
424 | field_nr_saved = pos->field_nr; | |
425 | pos->field_nr = 0; | |
cba1661c | 426 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 427 | ret = generic_rw(ppos, &stream->stream_event_context->p); |
31262354 MD |
428 | if (ret) |
429 | goto error; | |
fd3382e8 | 430 | pos->field_nr = field_nr_saved; |
31262354 MD |
431 | } |
432 | ||
433 | /* print event-declared event context */ | |
e28d4618 | 434 | if (event->event_context) { |
fd3382e8 MD |
435 | if (pos->field_nr++ != 0) |
436 | fprintf(pos->fp, ","); | |
cba1661c | 437 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 438 | if (pos->print_names) |
fd3382e8 MD |
439 | fprintf(pos->fp, " event.context ="); |
440 | field_nr_saved = pos->field_nr; | |
441 | pos->field_nr = 0; | |
cba1661c | 442 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 443 | ret = generic_rw(ppos, &event->event_context->p); |
31262354 MD |
444 | if (ret) |
445 | goto error; | |
fd3382e8 | 446 | pos->field_nr = field_nr_saved; |
31262354 MD |
447 | } |
448 | ||
449 | /* Read and print event payload */ | |
e28d4618 | 450 | if (event->event_fields) { |
fd3382e8 MD |
451 | if (pos->field_nr++ != 0) |
452 | fprintf(pos->fp, ","); | |
cba1661c | 453 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 454 | if (pos->print_names) |
fd3382e8 MD |
455 | fprintf(pos->fp, " event.fields ="); |
456 | field_nr_saved = pos->field_nr; | |
457 | pos->field_nr = 0; | |
cba1661c | 458 | set_field_names_print(pos, ITEM_PAYLOAD); |
e28d4618 | 459 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
460 | if (ret) |
461 | goto error; | |
fd3382e8 | 462 | pos->field_nr = field_nr_saved; |
31262354 | 463 | } |
fd3382e8 | 464 | /* newline */ |
31262354 | 465 | fprintf(pos->fp, "\n"); |
fd3382e8 | 466 | pos->field_nr = 0; |
31262354 MD |
467 | |
468 | return 0; | |
469 | ||
470 | error: | |
3394d22e | 471 | fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n"); |
31262354 MD |
472 | return ret; |
473 | } | |
474 | ||
475 | ||
8c250d87 MD |
476 | struct trace_descriptor *ctf_text_open_trace(const char *collection_path, |
477 | const char *path, int flags, | |
b086c01a | 478 | void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, |
ae23d232 | 479 | int whence), FILE *metadata_fp) |
642ec66d MD |
480 | { |
481 | struct ctf_text_stream_pos *pos; | |
482 | FILE *fp; | |
483 | ||
484 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
485 | ||
8d8ed9af | 486 | pos->last_timestamp = -1ULL; |
642ec66d | 487 | switch (flags & O_ACCMODE) { |
989c73bc | 488 | case O_RDWR: |
b61922b5 | 489 | if (!path) |
6cf7957b MD |
490 | fp = stdout; |
491 | else | |
492 | fp = fopen(path, "w"); | |
642ec66d MD |
493 | if (!fp) |
494 | goto error; | |
495 | pos->fp = fp; | |
496 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 497 | pos->parent.event_cb = ctf_text_write_event; |
cba1661c | 498 | pos->print_names = 0; |
642ec66d MD |
499 | break; |
500 | case O_RDONLY: | |
501 | default: | |
3394d22e | 502 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
642ec66d MD |
503 | goto error; |
504 | } | |
505 | ||
506 | return &pos->trace_descriptor; | |
507 | error: | |
508 | g_free(pos); | |
509 | return NULL; | |
510 | } | |
511 | ||
512 | void ctf_text_close_trace(struct trace_descriptor *td) | |
513 | { | |
514 | struct ctf_text_stream_pos *pos = | |
515 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
516 | fclose(pos->fp); | |
517 | g_free(pos); | |
518 | } | |
519 | ||
520 | void __attribute__((constructor)) ctf_text_init(void) | |
521 | { | |
522 | int ret; | |
523 | ||
524 | ctf_text_format.name = g_quark_from_static_string("text"); | |
525 | ret = bt_register_format(&ctf_text_format); | |
526 | assert(!ret); | |
527 | } | |
528 | ||
529 | /* TODO: finalize */ |