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 | 26 | #include <inttypes.h> |
642ec66d MD |
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, | |
7d97fad9 | 50 | opt_delta_field = 1; |
cba1661c MD |
51 | |
52 | enum field_item { | |
53 | ITEM_SCOPE, | |
54 | ITEM_HEADER, | |
55 | ITEM_CONTEXT, | |
56 | ITEM_PAYLOAD, | |
57 | }; | |
b88d6e85 | 58 | |
39535929 MD |
59 | enum bt_loglevel { |
60 | BT_LOGLEVEL_EMERG = 0, | |
61 | BT_LOGLEVEL_ALERT = 1, | |
62 | BT_LOGLEVEL_CRIT = 2, | |
63 | BT_LOGLEVEL_ERR = 3, | |
64 | BT_LOGLEVEL_WARNING = 4, | |
65 | BT_LOGLEVEL_NOTICE = 5, | |
66 | BT_LOGLEVEL_INFO = 6, | |
67 | BT_LOGLEVEL_DEBUG_SYSTEM = 7, | |
68 | BT_LOGLEVEL_DEBUG_PROGRAM = 8, | |
69 | BT_LOGLEVEL_DEBUG_PROCESS = 9, | |
70 | BT_LOGLEVEL_DEBUG_MODULE = 10, | |
71 | BT_LOGLEVEL_DEBUG_UNIT = 11, | |
72 | BT_LOGLEVEL_DEBUG_FUNCTION = 12, | |
73 | BT_LOGLEVEL_DEBUG_LINE = 13, | |
74 | BT_LOGLEVEL_DEBUG = 14, | |
75 | }; | |
76 | ||
77 | ||
5b80ddfb | 78 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 79 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 80 | int whence), FILE *metadata_fp); |
642ec66d MD |
81 | void ctf_text_close_trace(struct trace_descriptor *descriptor); |
82 | ||
642ec66d MD |
83 | static |
84 | rw_dispatch write_dispatch_table[] = { | |
85 | [ CTF_TYPE_INTEGER ] = ctf_text_integer_write, | |
86 | [ CTF_TYPE_FLOAT ] = ctf_text_float_write, | |
87 | [ CTF_TYPE_ENUM ] = ctf_text_enum_write, | |
88 | [ CTF_TYPE_STRING ] = ctf_text_string_write, | |
89 | [ CTF_TYPE_STRUCT ] = ctf_text_struct_write, | |
90 | [ CTF_TYPE_VARIANT ] = ctf_text_variant_write, | |
91 | [ CTF_TYPE_ARRAY ] = ctf_text_array_write, | |
92 | [ CTF_TYPE_SEQUENCE ] = ctf_text_sequence_write, | |
93 | }; | |
94 | ||
95 | static | |
96 | struct format ctf_text_format = { | |
97 | .open_trace = ctf_text_open_trace, | |
98 | .close_trace = ctf_text_close_trace, | |
99 | }; | |
100 | ||
d335f0f7 MD |
101 | static GQuark Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN, |
102 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END, | |
103 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED, | |
104 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE, | |
105 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE; | |
106 | ||
107 | static | |
108 | void __attribute__((constructor)) init_quarks(void) | |
109 | { | |
110 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN = g_quark_from_static_string("stream.packet.context.timestamp_begin"); | |
111 | Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END = g_quark_from_static_string("stream.packet.context.timestamp_end"); | |
112 | Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED = g_quark_from_static_string("stream.packet.context.events_discarded"); | |
113 | Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE = g_quark_from_static_string("stream.packet.context.content_size"); | |
114 | Q_STREAM_PACKET_CONTEXT_PACKET_SIZE = g_quark_from_static_string("stream.packet.context.packet_size"); | |
115 | } | |
116 | ||
117 | int print_field(struct definition *definition) | |
118 | { | |
119 | /* Print all fields in verbose mode */ | |
120 | if (babeltrace_verbose) | |
121 | return 1; | |
122 | ||
123 | /* Filter out part of the packet context */ | |
124 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_BEGIN) | |
125 | return 0; | |
126 | if (definition->path == Q_STREAM_PACKET_CONTEXT_TIMESTAMP_END) | |
127 | return 0; | |
128 | if (definition->path == Q_STREAM_PACKET_CONTEXT_EVENTS_DISCARDED) | |
129 | return 0; | |
130 | if (definition->path == Q_STREAM_PACKET_CONTEXT_CONTENT_SIZE) | |
131 | return 0; | |
132 | if (definition->path == Q_STREAM_PACKET_CONTEXT_PACKET_SIZE) | |
133 | return 0; | |
134 | ||
135 | return 1; | |
136 | } | |
137 | ||
cba1661c MD |
138 | static |
139 | void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item) | |
140 | { | |
141 | switch (item) { | |
142 | case ITEM_SCOPE: | |
143 | if (opt_all_field_names || opt_scope_field_names) | |
144 | pos->print_names = 1; | |
145 | else | |
146 | pos->print_names = 0; | |
147 | break; | |
148 | case ITEM_HEADER: | |
149 | if (opt_all_field_names || opt_header_field_names) | |
150 | pos->print_names = 1; | |
151 | else | |
152 | pos->print_names = 0; | |
153 | break; | |
154 | case ITEM_CONTEXT: | |
155 | if (opt_all_field_names || opt_context_field_names) | |
156 | pos->print_names = 1; | |
157 | else | |
158 | pos->print_names = 0; | |
159 | break; | |
160 | case ITEM_PAYLOAD: | |
161 | if (opt_all_field_names || opt_payload_field_names) | |
162 | pos->print_names = 1; | |
163 | else | |
164 | pos->print_names = 0; | |
165 | ||
166 | break; | |
167 | default: | |
168 | assert(0); | |
169 | } | |
170 | } | |
171 | ||
39535929 MD |
172 | static |
173 | const char *print_loglevel(int value) | |
174 | { | |
175 | switch (value) { | |
176 | case -1: | |
177 | return ""; | |
178 | case BT_LOGLEVEL_EMERG: | |
179 | return "TRACE_EMERG"; | |
180 | case BT_LOGLEVEL_ALERT: | |
181 | return "TRACE_ALERT"; | |
182 | case BT_LOGLEVEL_CRIT: | |
183 | return "TRACE_CRIT"; | |
184 | case BT_LOGLEVEL_ERR: | |
185 | return "TRACE_ERR"; | |
186 | case BT_LOGLEVEL_WARNING: | |
187 | return "TRACE_WARNING"; | |
188 | case BT_LOGLEVEL_NOTICE: | |
189 | return "TRACE_NOTICE"; | |
190 | case BT_LOGLEVEL_INFO: | |
191 | return "TRACE_INFO"; | |
192 | case BT_LOGLEVEL_DEBUG_SYSTEM: | |
193 | return "TRACE_DEBUG_SYSTEM"; | |
194 | case BT_LOGLEVEL_DEBUG_PROGRAM: | |
195 | return "TRACE_DEBUG_PROGRAM"; | |
196 | case BT_LOGLEVEL_DEBUG_PROCESS: | |
197 | return "TRACE_DEBUG_PROCESS"; | |
198 | case BT_LOGLEVEL_DEBUG_MODULE: | |
199 | return "TRACE_DEBUG_MODULE"; | |
200 | case BT_LOGLEVEL_DEBUG_UNIT: | |
201 | return "TRACE_DEBUG_UNIT"; | |
202 | case BT_LOGLEVEL_DEBUG_FUNCTION: | |
203 | return "TRACE_DEBUG_FUNCTION"; | |
204 | case BT_LOGLEVEL_DEBUG_LINE: | |
205 | return "TRACE_DEBUG_LINE"; | |
206 | case BT_LOGLEVEL_DEBUG: | |
207 | return "TRACE_DEBUG"; | |
208 | default: | |
209 | return "<<UNKNOWN>>"; | |
210 | } | |
211 | } | |
212 | ||
31262354 | 213 | static |
9e88d150 | 214 | int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *stream) |
e4195791 | 215 | |
31262354 MD |
216 | { |
217 | struct ctf_text_stream_pos *pos = | |
218 | container_of(ppos, struct ctf_text_stream_pos, parent); | |
f380e105 | 219 | struct ctf_stream_declaration *stream_class = stream->stream_class; |
fd3382e8 | 220 | int field_nr_saved; |
4716614a | 221 | struct ctf_event_declaration *event_class; |
c716f83b | 222 | struct ctf_event_definition *event; |
c87a8eb2 | 223 | uint64_t id; |
31262354 | 224 | int ret; |
8c250d87 | 225 | int dom_print = 0; |
31262354 | 226 | |
c87a8eb2 | 227 | id = stream->event_id; |
31262354 MD |
228 | |
229 | if (id >= stream_class->events_by_id->len) { | |
3394d22e | 230 | fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id); |
31262354 MD |
231 | return -EINVAL; |
232 | } | |
e28d4618 MD |
233 | event = g_ptr_array_index(stream->events_by_id, id); |
234 | if (!event) { | |
3394d22e | 235 | fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id); |
e28d4618 MD |
236 | return -EINVAL; |
237 | } | |
31262354 | 238 | event_class = g_ptr_array_index(stream_class->events_by_id, id); |
9ff2b8ad FO |
239 | if (!event_class) { |
240 | fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id); | |
31262354 MD |
241 | return -EINVAL; |
242 | } | |
243 | ||
fca04958 MD |
244 | /* Print events discarded */ |
245 | if (stream->events_discarded) { | |
7d97fad9 | 246 | fflush(pos->fp); |
4c4ba021 | 247 | fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events between [", |
fca04958 | 248 | stream->events_discarded); |
03798a93 JD |
249 | if (opt_clock_cycles) { |
250 | ctf_print_timestamp(stderr, stream, | |
251 | stream->prev_cycles_timestamp); | |
252 | fprintf(stderr, "] and ["); | |
253 | ctf_print_timestamp(stderr, stream, | |
254 | stream->prev_cycles_timestamp_end); | |
255 | } else { | |
256 | ctf_print_timestamp(stderr, stream, | |
257 | stream->prev_real_timestamp); | |
258 | fprintf(stderr, "] and ["); | |
259 | ctf_print_timestamp(stderr, stream, | |
260 | stream->prev_real_timestamp_end); | |
261 | } | |
a0b34fbb | 262 | fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n"); |
fca04958 MD |
263 | fflush(stderr); |
264 | stream->events_discarded = 0; | |
265 | } | |
266 | ||
5e2eb0ae | 267 | if (stream->has_timestamp) { |
cba1661c | 268 | set_field_names_print(pos, ITEM_HEADER); |
be60c7fb MD |
269 | if (pos->print_names) |
270 | fprintf(pos->fp, "timestamp = "); | |
271 | else | |
272 | fprintf(pos->fp, "["); | |
03798a93 JD |
273 | if (opt_clock_cycles) { |
274 | ctf_print_timestamp(pos->fp, stream, stream->cycles_timestamp); | |
275 | } else { | |
276 | ctf_print_timestamp(pos->fp, stream, stream->real_timestamp); | |
277 | } | |
be60c7fb MD |
278 | if (!pos->print_names) |
279 | fprintf(pos->fp, "]"); | |
aa6bffae | 280 | |
be60c7fb MD |
281 | if (pos->print_names) |
282 | fprintf(pos->fp, ", "); | |
283 | else | |
284 | fprintf(pos->fp, " "); | |
285 | } | |
359d7456 | 286 | if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) { |
8d8ed9af MD |
287 | uint64_t delta, delta_sec, delta_nsec; |
288 | ||
289 | set_field_names_print(pos, ITEM_HEADER); | |
290 | if (pos->print_names) | |
291 | fprintf(pos->fp, "delta = "); | |
292 | else | |
293 | fprintf(pos->fp, "("); | |
03798a93 JD |
294 | if (pos->last_real_timestamp != -1ULL) { |
295 | delta = stream->real_timestamp - pos->last_real_timestamp; | |
8d8ed9af MD |
296 | delta_sec = delta / NSEC_PER_SEC; |
297 | delta_nsec = delta % NSEC_PER_SEC; | |
298 | fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64, | |
299 | delta_sec, delta_nsec); | |
300 | } else { | |
301 | fprintf(pos->fp, "+?.?????????"); | |
302 | } | |
303 | if (!pos->print_names) | |
304 | fprintf(pos->fp, ")"); | |
305 | ||
306 | if (pos->print_names) | |
307 | fprintf(pos->fp, ", "); | |
308 | else | |
309 | fprintf(pos->fp, " "); | |
03798a93 JD |
310 | pos->last_real_timestamp = stream->real_timestamp; |
311 | pos->last_cycles_timestamp = stream->cycles_timestamp; | |
8d8ed9af MD |
312 | } |
313 | ||
359d7456 | 314 | if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') { |
82662ad4 | 315 | set_field_names_print(pos, ITEM_HEADER); |
8c250d87 | 316 | if (pos->print_names) { |
359d7456 | 317 | fprintf(pos->fp, "trace = "); |
8c250d87 | 318 | } |
82662ad4 | 319 | fprintf(pos->fp, "%s", stream_class->trace->path); |
82662ad4 MD |
320 | if (pos->print_names) |
321 | fprintf(pos->fp, ", "); | |
322 | else | |
323 | fprintf(pos->fp, " "); | |
324 | } | |
1842a4c8 | 325 | if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->env.domain[0] != '\0') { |
8c250d87 MD |
326 | set_field_names_print(pos, ITEM_HEADER); |
327 | if (pos->print_names) { | |
328 | fprintf(pos->fp, "trace:domain = "); | |
329 | } | |
1842a4c8 | 330 | fprintf(pos->fp, "%s", stream_class->trace->env.domain); |
8c250d87 MD |
331 | if (pos->print_names) |
332 | fprintf(pos->fp, ", "); | |
333 | dom_print = 1; | |
334 | } | |
1842a4c8 | 335 | if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->env.procname[0] != '\0') { |
8c250d87 MD |
336 | set_field_names_print(pos, ITEM_HEADER); |
337 | if (pos->print_names) { | |
338 | fprintf(pos->fp, "trace:procname = "); | |
339 | } else if (dom_print) { | |
340 | fprintf(pos->fp, ":"); | |
341 | } | |
1842a4c8 | 342 | fprintf(pos->fp, "%s", stream_class->trace->env.procname); |
8c250d87 MD |
343 | if (pos->print_names) |
344 | fprintf(pos->fp, ", "); | |
345 | dom_print = 1; | |
346 | } | |
1842a4c8 | 347 | if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->env.vpid != -1) { |
8c250d87 MD |
348 | set_field_names_print(pos, ITEM_HEADER); |
349 | if (pos->print_names) { | |
350 | fprintf(pos->fp, "trace:vpid = "); | |
351 | } else if (dom_print) { | |
352 | fprintf(pos->fp, ":"); | |
353 | } | |
1842a4c8 | 354 | fprintf(pos->fp, "%d", stream_class->trace->env.vpid); |
8c250d87 MD |
355 | if (pos->print_names) |
356 | fprintf(pos->fp, ", "); | |
357 | dom_print = 1; | |
358 | } | |
306eeaa6 | 359 | if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel != -1) { |
d86d62f8 MD |
360 | set_field_names_print(pos, ITEM_HEADER); |
361 | if (pos->print_names) { | |
362 | fprintf(pos->fp, "loglevel = "); | |
363 | } else if (dom_print) { | |
364 | fprintf(pos->fp, ":"); | |
365 | } | |
39535929 MD |
366 | fprintf(pos->fp, "%s (%d)", |
367 | print_loglevel(event_class->loglevel), | |
306eeaa6 | 368 | event_class->loglevel); |
d86d62f8 MD |
369 | if (pos->print_names) |
370 | fprintf(pos->fp, ", "); | |
371 | dom_print = 1; | |
372 | } | |
8c250d87 MD |
373 | if (dom_print && !pos->print_names) |
374 | fprintf(pos->fp, " "); | |
cba1661c | 375 | set_field_names_print(pos, ITEM_HEADER); |
31262354 MD |
376 | if (pos->print_names) |
377 | fprintf(pos->fp, "name = "); | |
8178fe48 MD |
378 | fprintf(pos->fp, "%s", g_quark_to_string(event_class->name)); |
379 | if (pos->print_names) | |
fd3382e8 | 380 | pos->field_nr++; |
8178fe48 | 381 | else |
fd3382e8 | 382 | fprintf(pos->fp, ":"); |
31262354 | 383 | |
e28d4618 MD |
384 | /* print cpuid field from packet context */ |
385 | if (stream->stream_packet_context) { | |
386 | if (pos->field_nr++ != 0) | |
387 | fprintf(pos->fp, ","); | |
cba1661c | 388 | set_field_names_print(pos, ITEM_SCOPE); |
e28d4618 MD |
389 | if (pos->print_names) |
390 | fprintf(pos->fp, " stream.packet.context ="); | |
391 | field_nr_saved = pos->field_nr; | |
392 | pos->field_nr = 0; | |
cba1661c | 393 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 MD |
394 | ret = generic_rw(ppos, &stream->stream_packet_context->p); |
395 | if (ret) | |
396 | goto error; | |
397 | pos->field_nr = field_nr_saved; | |
398 | } | |
399 | ||
764af3f4 | 400 | /* Only show the event header in verbose mode */ |
e28d4618 | 401 | if (babeltrace_verbose && stream->stream_event_header) { |
fd3382e8 MD |
402 | if (pos->field_nr++ != 0) |
403 | fprintf(pos->fp, ","); | |
cba1661c | 404 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 405 | if (pos->print_names) |
fd3382e8 MD |
406 | fprintf(pos->fp, " stream.event.header ="); |
407 | field_nr_saved = pos->field_nr; | |
408 | pos->field_nr = 0; | |
cba1661c | 409 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 410 | ret = generic_rw(ppos, &stream->stream_event_header->p); |
31262354 MD |
411 | if (ret) |
412 | goto error; | |
fd3382e8 | 413 | pos->field_nr = field_nr_saved; |
31262354 MD |
414 | } |
415 | ||
416 | /* print stream-declared event context */ | |
e28d4618 | 417 | if (stream->stream_event_context) { |
fd3382e8 MD |
418 | if (pos->field_nr++ != 0) |
419 | fprintf(pos->fp, ","); | |
cba1661c | 420 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 421 | if (pos->print_names) |
fd3382e8 MD |
422 | fprintf(pos->fp, " stream.event.context ="); |
423 | field_nr_saved = pos->field_nr; | |
424 | pos->field_nr = 0; | |
cba1661c | 425 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 426 | ret = generic_rw(ppos, &stream->stream_event_context->p); |
31262354 MD |
427 | if (ret) |
428 | goto error; | |
fd3382e8 | 429 | pos->field_nr = field_nr_saved; |
31262354 MD |
430 | } |
431 | ||
432 | /* print event-declared event context */ | |
e28d4618 | 433 | if (event->event_context) { |
fd3382e8 MD |
434 | if (pos->field_nr++ != 0) |
435 | fprintf(pos->fp, ","); | |
cba1661c | 436 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 437 | if (pos->print_names) |
fd3382e8 MD |
438 | fprintf(pos->fp, " event.context ="); |
439 | field_nr_saved = pos->field_nr; | |
440 | pos->field_nr = 0; | |
cba1661c | 441 | set_field_names_print(pos, ITEM_CONTEXT); |
e28d4618 | 442 | ret = generic_rw(ppos, &event->event_context->p); |
31262354 MD |
443 | if (ret) |
444 | goto error; | |
fd3382e8 | 445 | pos->field_nr = field_nr_saved; |
31262354 MD |
446 | } |
447 | ||
448 | /* Read and print event payload */ | |
e28d4618 | 449 | if (event->event_fields) { |
fd3382e8 MD |
450 | if (pos->field_nr++ != 0) |
451 | fprintf(pos->fp, ","); | |
cba1661c | 452 | set_field_names_print(pos, ITEM_SCOPE); |
31262354 | 453 | if (pos->print_names) |
fd3382e8 MD |
454 | fprintf(pos->fp, " event.fields ="); |
455 | field_nr_saved = pos->field_nr; | |
456 | pos->field_nr = 0; | |
cba1661c | 457 | set_field_names_print(pos, ITEM_PAYLOAD); |
e28d4618 | 458 | ret = generic_rw(ppos, &event->event_fields->p); |
31262354 MD |
459 | if (ret) |
460 | goto error; | |
fd3382e8 | 461 | pos->field_nr = field_nr_saved; |
31262354 | 462 | } |
fd3382e8 | 463 | /* newline */ |
31262354 | 464 | fprintf(pos->fp, "\n"); |
fd3382e8 | 465 | pos->field_nr = 0; |
31262354 MD |
466 | |
467 | return 0; | |
468 | ||
469 | error: | |
3394d22e | 470 | 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 |
471 | return ret; |
472 | } | |
473 | ||
474 | ||
5b80ddfb | 475 | struct trace_descriptor *ctf_text_open_trace(const char *path, int flags, |
20d0dcf9 | 476 | void (*packet_seek)(struct stream_pos *pos, size_t index, |
ae23d232 | 477 | int whence), FILE *metadata_fp) |
642ec66d MD |
478 | { |
479 | struct ctf_text_stream_pos *pos; | |
480 | FILE *fp; | |
481 | ||
482 | pos = g_new0(struct ctf_text_stream_pos, 1); | |
483 | ||
03798a93 JD |
484 | pos->last_real_timestamp = -1ULL; |
485 | pos->last_cycles_timestamp = -1ULL; | |
642ec66d | 486 | switch (flags & O_ACCMODE) { |
989c73bc | 487 | case O_RDWR: |
b61922b5 | 488 | if (!path) |
6cf7957b MD |
489 | fp = stdout; |
490 | else | |
491 | fp = fopen(path, "w"); | |
642ec66d MD |
492 | if (!fp) |
493 | goto error; | |
494 | pos->fp = fp; | |
495 | pos->parent.rw_table = write_dispatch_table; | |
31262354 | 496 | pos->parent.event_cb = ctf_text_write_event; |
cba1661c | 497 | pos->print_names = 0; |
642ec66d MD |
498 | break; |
499 | case O_RDONLY: | |
500 | default: | |
3394d22e | 501 | fprintf(stderr, "[error] Incorrect open flags.\n"); |
642ec66d MD |
502 | goto error; |
503 | } | |
504 | ||
505 | return &pos->trace_descriptor; | |
506 | error: | |
507 | g_free(pos); | |
508 | return NULL; | |
509 | } | |
510 | ||
511 | void ctf_text_close_trace(struct trace_descriptor *td) | |
512 | { | |
513 | struct ctf_text_stream_pos *pos = | |
514 | container_of(td, struct ctf_text_stream_pos, trace_descriptor); | |
515 | fclose(pos->fp); | |
516 | g_free(pos); | |
517 | } | |
518 | ||
519 | void __attribute__((constructor)) ctf_text_init(void) | |
520 | { | |
521 | int ret; | |
522 | ||
523 | ctf_text_format.name = g_quark_from_static_string("text"); | |
524 | ret = bt_register_format(&ctf_text_format); | |
525 | assert(!ret); | |
526 | } | |
527 | ||
528 | /* TODO: finalize */ |