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> |
e4195791 | 25 | #include <babeltrace/ctf/events-internal.h> |
642ec66d MD |
26 | #include <inttypes.h> |
27 | #include <uuid/uuid.h> | |
28 | #include <sys/mman.h> | |
29 | #include <errno.h> | |
30 | #include <sys/types.h> | |
31 | #include <sys/stat.h> | |
32 | #include <fcntl.h> | |
33 | #include <dirent.h> | |
34 | #include <glib.h> | |
35 | #include <unistd.h> | |
36 | #include <stdlib.h> | |
37 | ||
bfe74b8c MD |
38 | #define NSEC_PER_SEC 1000000000ULL |
39 | ||
cba1661c MD |
40 | int opt_all_field_names, |
41 | opt_scope_field_names, | |
42 | opt_header_field_names, | |
43 | opt_context_field_names, | |
82662ad4 | 44 | opt_payload_field_names, |
359d7456 MD |
45 | opt_all_fields, |
46 | opt_trace_field, | |
47 | opt_trace_domain_field, | |
48 | opt_trace_procname_field, | |
49 | opt_trace_vpid_field, | |
50 | opt_loglevel_field, | |
7d97fad9 | 51 | opt_delta_field = 1; |
cba1661c MD |
52 | |
53 | enum field_item { | |
54 | ITEM_SCOPE, | |
55 | ITEM_HEADER, | |
56 | ITEM_CONTEXT, | |
57 | ITEM_PAYLOAD, | |
58 | }; | |
b88d6e85 | 59 | |
39535929 MD |
60 | enum bt_loglevel { |
61 | BT_LOGLEVEL_EMERG = 0, | |
62 | BT_LOGLEVEL_ALERT = 1, | |
63 | BT_LOGLEVEL_CRIT = 2, | |
64 | BT_LOGLEVEL_ERR = 3, | |
65 | BT_LOGLEVEL_WARNING = 4, | |
66 | BT_LOGLEVEL_NOTICE = 5, | |
67 | BT_LOGLEVEL_INFO = 6, | |
68 | BT_LOGLEVEL_DEBUG_SYSTEM = 7, | |
69 | BT_LOGLEVEL_DEBUG_PROGRAM = 8, | |
70 | BT_LOGLEVEL_DEBUG_PROCESS = 9, | |
71 | BT_LOGLEVEL_DEBUG_MODULE = 10, | |
72 | BT_LOGLEVEL_DEBUG_UNIT = 11, | |
73 | BT_LOGLEVEL_DEBUG_FUNCTION = 12, | |
74 | BT_LOGLEVEL_DEBUG_LINE = 13, | |
75 | BT_LOGLEVEL_DEBUG = 14, | |
76 | }; | |
77 | ||
78 | ||
5b80ddfb | 79 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 80 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 81 | int whence), FILE *metadata_fp); |
642ec66d MD |
82 | void ctf_text_close_trace(struct trace_descriptor *descriptor); |
83 | ||
642ec66d MD |
84 | static |
85 | rw_dispatch write_dispatch_table[] = { | |
86 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
87 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
88 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
89 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
90 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
91 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
92 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
93 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
94 | }; | |
95 | ||
96 | static | |
97 | struct format ctf_text_format = { | |
98 | .open_trace = ctf_text_open_trace, | |
99 | .close_trace = ctf_text_close_trace, | |
100 | }; | |
101 | ||
d335f0f7 MD |
102 | static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN, |
103 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END, | |
104 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED, | |
105 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE, | |
106 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE; | |
107 | ||
108 | static | |
109 | void __attribute__((constructor)) init_quarks(void) | |
110 | { | |
111 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin"); | |
112 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end"); | |
113 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded"); | |
114 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size"); | |
115 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size"); | |
116 | } | |
117 | ||
118 | int print_field(struct definition *definition) | |
119 | { | |
120 | /* Print all fields in verbose mode */ | |
121 | if (babeltrace_verbose) | |
122 | return 1; | |
123 | ||
124 | /* Filter out part of the packet context */ | |
125 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN) | |
126 | return 0; | |
127 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END) | |
128 | return 0; | |
129 | if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED) | |
130 | return 0; | |
131 | if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE) | |
132 | return 0; | |
133 | if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE) | |
134 | return 0; | |
135 | ||
136 | return 1; | |
137 | } | |
138 | ||
cba1661c MD |
139 | static |
140 | void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item) | |
141 | { | |
142 | switch (item) { | |
143 | case ITEM_SCOPE: | |
144 | if (opt_all_field_names || opt_scope_field_names) | |
145 | pos->print_names = 1; | |
146 | else | |
147 | pos->print_names = 0; | |
148 | break; | |
149 | case ITEM_HEADER: | |
150 | if (opt_all_field_names || opt_header_field_names) | |
151 | pos->print_names = 1; | |
152 | else | |
153 | pos->print_names = 0; | |
154 | break; | |
155 | case ITEM_CONTEXT: | |
156 | if (opt_all_field_names || opt_context_field_names) | |
157 | pos->print_names = 1; | |
158 | else | |
159 | pos->print_names = 0; | |
160 | break; | |
161 | case ITEM_PAYLOAD: | |
162 | if (opt_all_field_names || opt_payload_field_names) | |
163 | pos->print_names = 1; | |
164 | else | |
165 | pos->print_names = 0; | |
166 | ||
167 | break; | |
168 | default: | |
169 | assert(0); | |
170 | } | |
171 | } | |
172 | ||
39535929 MD |
173 | static |
174 | const char *print_loglevel(int value) | |
175 | { | |
176 | switch (value) { | |
177 | case -1: | |
178 | return ""; | |
179 | case BT_LOGLEVEL_EMERG: | |
180 | return "TRACE_EMERG"; | |
181 | case BT_LOGLEVEL_ALERT: | |
182 | return "TRACE_ALERT"; | |
183 | case BT_LOGLEVEL_CRIT: | |
184 | return "TRACE_CRIT"; | |
185 | case BT_LOGLEVEL_ERR: | |
186 | return "TRACE_ERR"; | |
187 | case BT_LOGLEVEL_WARNING: | |
188 | return "TRACE_WARNING"; | |
189 | case BT_LOGLEVEL_NOTICE: | |
190 | return "TRACE_NOTICE"; | |
191 | case BT_LOGLEVEL_INFO: | |
192 | return "TRACE_INFO"; | |
193 | case BT_LOGLEVEL_DEBUG_SYSTEM: | |
194 | return "TRACE_DEBUG_SYSTEM"; | |
195 | case BT_LOGLEVEL_DEBUG_PROGRAM: | |
196 | return "TRACE_DEBUG_PROGRAM"; | |
197 | case BT_LOGLEVEL_DEBUG_PROCESS: | |
198 | return "TRACE_DEBUG_PROCESS"; | |
199 | case BT_LOGLEVEL_DEBUG_MODULE: | |
200 | return "TRACE_DEBUG_MODULE"; | |
201 | case BT_LOGLEVEL_DEBUG_UNIT: | |
202 | return "TRACE_DEBUG_UNIT"; | |
203 | case BT_LOGLEVEL_DEBUG_FUNCTION: | |
204 | return "TRACE_DEBUG_FUNCTION"; | |
205 | case BT_LOGLEVEL_DEBUG_LINE: | |
206 | return "TRACE_DEBUG_LINE"; | |
207 | case BT_LOGLEVEL_DEBUG: | |
208 | return "TRACE_DEBUG"; | |
209 | default: | |
210 | return "<<UNKNOWN>>"; | |
211 | } | |
212 | } | |
213 | ||
31262354 | 214 | static |
e4195791 MD |
215 | int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream *stream) |
216 | ||
31262354 MD |
217 | { |
218 | struct ctf_text_stream_pos *pos = | |
219 | container_of(ppos, struct ctf_text_stream_pos, parent); | |
764af3f4 | 220 | struct ctf_stream_class *stream_class = stream->stream_class; |
fd3382e8 | 221 | int field_nr_saved; |
31262354 | 222 | struct ctf_event *event_class; |
42dc00b7 | 223 | struct ctf_stream_event *event; |
c87a8eb2 | 224 | uint64_t id; |
31262354 | 225 | int ret; |
8c250d87 | 226 | int dom_print = 0; |
31262354 | 227 | |
c87a8eb2 | 228 | id = stream->event_id; |
31262354 MD |
229 | |
230 | if (id >= stream_class->events_by_id->len) { | |
3394d22e | 231 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
232 | return -EINVAL; |
233 | } | |
e28d4618 MD |
234 | event = g_ptr_array_index(stream->events_by_id, id); |
235 | if (!event) { | |
3394d22e | 236 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
e28d4618 MD |
237 | return -EINVAL; |
238 | } | |
31262354 | 239 | event_class = g_ptr_array_index(stream_class->events_by_id, id); |
e28d4618 | 240 | if (!event) { |
3394d22e | 241 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
31262354 MD |
242 | return -EINVAL; |
243 | } | |
244 | ||
fca04958 MD |
245 | /* Print events discarded */ |
246 | if (stream->events_discarded) { | |
7d97fad9 | 247 | fflush(pos->fp); |
fca04958 MD |
248 | fprintf(stderr, "[warning] Tracer discarded %d events between [", |
249 | stream->events_discarded); | |
7d97fad9 | 250 | ctf_print_timestamp(stderr, stream, stream->prev_timestamp); |
fca04958 | 251 | fprintf(stderr, "] and ["); |
7d97fad9 | 252 | ctf_print_timestamp(stderr, stream, stream->prev_timestamp_end); |
fca04958 MD |
253 | fprintf(stderr, "]. You should consider increasing the buffer size.\n"); |
254 | fflush(stderr); | |
255 | stream->events_discarded = 0; | |
256 | } | |
257 | ||
5e2eb0ae | 258 | if (stream->has_timestamp) { |
cba1661c | 259 | set_field_names_print(pos, ITEM_HEADER); |
be60c7fb MD |
260 | if (pos->print_names) |
261 | fprintf(pos->fp, "timestamp = "); | |
262 | else | |
263 | fprintf(pos->fp, "["); | |
7d97fad9 | 264 | ctf_print_timestamp(pos->fp, stream, stream->timestamp); |
be60c7fb MD |
265 | if (!pos->print_names) |
266 | fprintf(pos->fp, "]"); | |
aa6bffae | 267 | |
be60c7fb MD |
268 | if (pos->print_names) |
269 | fprintf(pos->fp, ", "); | |
270 | else | |
271 | fprintf(pos->fp, " "); | |
272 | } | |
359d7456 | 273 | if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) { |
8d8ed9af MD |
274 | uint64_t delta, delta_sec, delta_nsec; |
275 | ||
276 | set_field_names_print(pos, ITEM_HEADER); | |
277 | if (pos->print_names) | |
278 | fprintf(pos->fp, "delta = "); | |
279 | else | |
280 | fprintf(pos->fp, "("); | |
281 | if (pos->last_timestamp != -1ULL) { | |
282 | delta = stream->timestamp - pos->last_timestamp; | |
283 | delta_sec = delta / NSEC_PER_SEC; | |
284 | delta_nsec = delta % NSEC_PER_SEC; | |
285 | fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64, | |
286 | delta_sec, delta_nsec); | |
287 | } else { | |
288 | fprintf(pos->fp, "+?.?????????"); | |
289 | } | |
290 | if (!pos->print_names) | |
291 | fprintf(pos->fp, ")"); | |
292 | ||
293 | if (pos->print_names) | |
294 | fprintf(pos->fp, ", "); | |
295 | else | |
296 | fprintf(pos->fp, " "); | |
297 | pos->last_timestamp = stream->timestamp; | |
298 | } | |
299 | ||
359d7456 | 300 | if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') { |
82662ad4 | 301 | set_field_names_print(pos, ITEM_HEADER); |
8c250d87 | 302 | if (pos->print_names) { |
359d7456 | 303 | fprintf(pos->fp, "trace = "); |
8c250d87 | 304 | } |
82662ad4 | 305 | fprintf(pos->fp, "%s", stream_class->trace->path); |
82662ad4 MD |
306 | if (pos->print_names) |
307 | fprintf(pos->fp, ", "); | |
308 | else | |
309 | fprintf(pos->fp, " "); | |
310 | } | |
1842a4c8 | 311 | if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->env.domain[0] != '\0') { |
8c250d87 MD |
312 | set_field_names_print(pos, ITEM_HEADER); |
313 | if (pos->print_names) { | |
314 | fprintf(pos->fp, "trace:domain = "); | |
315 | } | |
1842a4c8 | 316 | fprintf(pos->fp, "%s", stream_class->trace->env.domain); |
8c250d87 MD |
317 | if (pos->print_names) |
318 | fprintf(pos->fp, ", "); | |
319 | dom_print = 1; | |
320 | } | |
1842a4c8 | 321 | if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->env.procname[0] != '\0') { |
8c250d87 MD |
322 | set_field_names_print(pos, ITEM_HEADER); |
323 | if (pos->print_names) { | |
324 | fprintf(pos->fp, "trace:procname = "); | |
325 | } else if (dom_print) { | |
326 | fprintf(pos->fp, ":"); | |
327 | } | |
1842a4c8 | 328 | fprintf(pos->fp, "%s", stream_class->trace->env.procname); |
8c250d87 MD |
329 | if (pos->print_names) |
330 | fprintf(pos->fp, ", "); | |
331 | dom_print = 1; | |
332 | } | |
1842a4c8 | 333 | if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->env.vpid != -1) { |
8c250d87 MD |
334 | set_field_names_print(pos, ITEM_HEADER); |
335 | if (pos->print_names) { | |
336 | fprintf(pos->fp, "trace:vpid = "); | |
337 | } else if (dom_print) { | |
338 | fprintf(pos->fp, ":"); | |
339 | } | |
1842a4c8 | 340 | fprintf(pos->fp, "%d", stream_class->trace->env.vpid); |
8c250d87 MD |
341 | if (pos->print_names) |
342 | fprintf(pos->fp, ", "); | |
343 | dom_print = 1; | |
344 | } | |
306eeaa6 | 345 | if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel != -1) { |
d86d62f8 MD |
346 | set_field_names_print(pos, ITEM_HEADER); |
347 | if (pos->print_names) { | |
348 | fprintf(pos->fp, "loglevel = "); | |
349 | } else if (dom_print) { | |
350 | fprintf(pos->fp, ":"); | |
351 | } | |
39535929 MD |
352 | fprintf(pos->fp, "%s (%d)", |
353 | print_loglevel(event_class->loglevel), | |
306eeaa6 | 354 | event_class->loglevel); |
d86d62f8 MD |
355 | if (pos->print_names) |
356 | fprintf(pos->fp, ", "); | |
357 | dom_print = 1; | |
358 | } | |
8c250d87 MD |
359 | if (dom_print && !pos->print_names) |
360 | fprintf(pos->fp, " "); | |
cba1661c | 361 | set_field_names_print(pos, ITEM_HEADER); |
31262354 MD |
362 | if (pos->print_names) |
363 | fprintf(pos->fp, "name = "); | |
8178fe48 MD |
364 | fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); |
365 | if (pos->print_names) | |
fd3382e8 | 366 | pos->field_nr++; |
8178fe48 | 367 | else |
fd3382e8 | 368 | fprintf(pos->fp, ":"); |
31262354 | 369 | |
e28d4618 MD |
370 | /* print cpuid field from packet context */ |
371 | if (stream->stream_packet_context) { | |
372 | if (pos->field_nr++ != 0) | |
373 | fprintf(pos->fp, ","); | |
cba1661c | 374 | set_field_names_print(pos, ITEM_SCOPE); |
e28d4618 MD |
375 | if (pos->print_names) |
376 | fprintf(pos->fp, " stream.packet.context ="); | |
377 | field_nr_saved = pos->field_nr; | |
378 | pos->field_nr = 0; | |
cba1661c | 379 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 MD |
380 | ret = generic_rw(ppos, &stream->stream_packet_context->p); |
381 | if (ret) | |
382 | goto error; | |
383 | pos->field_nr = field_nr_saved; | |
384 | } | |
385 | ||
764af3f4 | 386 | /* Only show the event header in verbose mode */ |
e28d4618 | 387 | if (babeltrace_verbose && stream->stream_event_header) { |
fd3382e8 MD |
388 | if (pos->field_nr++ != 0) |
389 | fprintf(pos->fp, ","); | |
cba1661c | 390 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 391 | if (pos->print_names) |
fd3382e8 MD |
392 | fprintf(pos->fp, " stream.event.header ="); |
393 | field_nr_saved = pos->field_nr; | |
394 | pos->field_nr = 0; | |
cba1661c | 395 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 396 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
31262354 MD |
397 | if (ret) |
398 | goto error; | |
fd3382e8 | 399 | pos->field_nr = field_nr_saved; |
31262354 MD |
400 | } |
401 | ||
402 | /* print stream-declared event context */ | |
e28d4618 | 403 | if (stream->stream_event_context) { |
fd3382e8 MD |
404 | if (pos->field_nr++ != 0) |
405 | fprintf(pos->fp, ","); | |
cba1661c | 406 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 407 | if (pos->print_names) |
fd3382e8 MD |
408 | fprintf(pos->fp, " stream.event.context ="); |
409 | field_nr_saved = pos->field_nr; | |
410 | pos->field_nr = 0; | |
cba1661c | 411 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 412 | ret = generic_rw(ppos, &stream->stream_event_context->p); |
31262354 MD |
413 | if (ret) |
414 | goto error; | |
fd3382e8 | 415 | pos->field_nr = field_nr_saved; |
31262354 MD |
416 | } |
417 | ||
418 | /* print event-declared event context */ | |
e28d4618 | 419 | if (event->event_context) { |
fd3382e8 MD |
420 | if (pos->field_nr++ != 0) |
421 | fprintf(pos->fp, ","); | |
cba1661c | 422 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 423 | if (pos->print_names) |
fd3382e8 MD |
424 | fprintf(pos->fp, " event.context ="); |
425 | field_nr_saved = pos->field_nr; | |
426 | pos->field_nr = 0; | |
cba1661c | 427 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 428 | ret = generic_rw(ppos, &event->event_context->p); |
31262354 MD |
429 | if (ret) |
430 | goto error; | |
fd3382e8 | 431 | pos->field_nr = field_nr_saved; |
31262354 MD |
432 | } |
433 | ||
434 | /* Read and print event payload */ | |
e28d4618 | 435 | if (event->event_fields) { |
fd3382e8 MD |
436 | if (pos->field_nr++ != 0) |
437 | fprintf(pos->fp, ","); | |
cba1661c | 438 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 439 | if (pos->print_names) |
fd3382e8 MD |
440 | fprintf(pos->fp, " event.fields ="); |
441 | field_nr_saved = pos->field_nr; | |
442 | pos->field_nr = 0; | |
cba1661c | 443 | set_field_names_print(pos, ITEM_PAYLOAD); |
e28d4618 | 444 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
445 | if (ret) |
446 | goto error; | |
fd3382e8 | 447 | pos->field_nr = field_nr_saved; |
31262354 | 448 | } |
fd3382e8 | 449 | /* newline */ |
31262354 | 450 | fprintf(pos->fp, "\n"); |
fd3382e8 | 451 | pos->field_nr = 0; |
90fcbacc | 452 | stream->consumed = 1; |
31262354 MD |
453 | |
454 | return 0; | |
455 | ||
456 | error: | |
3394d22e | 457 | 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 |
458 | return ret; |
459 | } | |
460 | ||
461 | ||
5b80ddfb | 462 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 463 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 464 | int whence), FILE *metadata_fp) |
642ec66d MD |
465 | { |
466 | struct ctf_text_stream_pos *pos; | |
467 | FILE *fp; | |
468 | ||
469 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
470 | ||
8d8ed9af | 471 | pos->last_timestamp = -1ULL; |
642ec66d | 472 | switch (flags & O_ACCMODE) { |
989c73bc | 473 | case O_RDWR: |
b61922b5 | 474 | if (!path) |
6cf7957b MD |
475 | fp = stdout; |
476 | else | |
477 | fp = fopen(path, "w"); | |
642ec66d MD |
478 | if (!fp) |
479 | goto error; | |
480 | pos->fp = fp; | |
481 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 482 | pos->parent.event_cb = ctf_text_write_event; |
cba1661c | 483 | pos->print_names = 0; |
642ec66d MD |
484 | break; |
485 | case O_RDONLY: | |
486 | default: | |
3394d22e | 487 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
642ec66d MD |
488 | goto error; |
489 | } | |
490 | ||
491 | return &pos->trace_descriptor; | |
492 | error: | |
493 | g_free(pos); | |
494 | return NULL; | |
495 | } | |
496 | ||
497 | void ctf_text_close_trace(struct trace_descriptor *td) | |
498 | { | |
499 | struct ctf_text_stream_pos *pos = | |
500 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
501 | fclose(pos->fp); | |
502 | g_free(pos); | |
503 | } | |
504 | ||
505 | void __attribute__((constructor)) ctf_text_init(void) | |
506 | { | |
507 | int ret; | |
508 | ||
509 | ctf_text_format.name = g_quark_from_static_string("text"); | |
510 | ret = bt_register_format(&ctf_text_format); | |
511 | assert(!ret); | |
512 | } | |
513 | ||
514 | /* TODO: finalize */ |