Commit | Line | Data |
---|---|---|
34ac0e6c MD |
1 | /* |
2 | * babeltrace.c | |
3 | * | |
4 | * Babeltrace Trace Converter | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
34ac0e6c 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. | |
c462e188 MD |
19 | * |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
34ac0e6c | 27 | */ |
4c8bfb7e | 28 | |
20d24215 | 29 | #define _GNU_SOURCE |
00f7fbf0 | 30 | #include <config.h> |
95d36295 | 31 | #include <babeltrace/babeltrace.h> |
7fb21036 | 32 | #include <babeltrace/format.h> |
95d36295 JD |
33 | #include <babeltrace/context.h> |
34 | #include <babeltrace/ctf/types.h> | |
9843982d | 35 | #include <babeltrace/ctf/events.h> |
04ae3991 MD |
36 | /* TODO: fix object model for format-agnostic callbacks */ |
37 | #include <babeltrace/ctf/events-internal.h> | |
9efd5d76 | 38 | #include <babeltrace/ctf/iterator.h> |
31bdef5c | 39 | #include <babeltrace/ctf-text/types.h> |
6204d33c | 40 | #include <babeltrace/iterator.h> |
34ac0e6c MD |
41 | #include <popt.h> |
42 | #include <errno.h> | |
43 | #include <stdlib.h> | |
bbefb8dd MD |
44 | #include <ctype.h> |
45 | #include <sys/stat.h> | |
46 | #include <sys/types.h> | |
47 | #include <fcntl.h> | |
afb48eae | 48 | #include <unistd.h> |
70accc14 | 49 | #include <inttypes.h> |
a99343cf | 50 | #include <ftw.h> |
11e1d048 | 51 | #include <string.h> |
4c8bfb7e | 52 | |
a44bc4c9 MD |
53 | #include <babeltrace/ctf-ir/metadata.h> /* for clocks */ |
54 | ||
24d5af5b MD |
55 | #define PARTIAL_ERROR_SLEEP 3 /* 3 seconds */ |
56 | ||
afb48eae | 57 | #define DEFAULT_FILE_ARRAY_SIZE 1 |
9fe26ec7 | 58 | |
11e1d048 | 59 | static char *opt_input_format, *opt_output_format; |
34ac0e6c | 60 | |
41075e78 MD |
61 | /* |
62 | * We are not freeing opt_input_paths ipath elements when exiting from | |
63 | * main() for backward compatibility with libpop 0.13, which does not | |
64 | * allocate copies for arguments returned by poptGetArg(), and for | |
65 | * general compatibility with the documented behavior. This is known to | |
66 | * cause a small memory leak with libpop 0.16. | |
67 | */ | |
4e85cbfd | 68 | static GPtrArray *opt_input_paths; |
9fe26ec7 | 69 | static char *opt_output_path; |
34ac0e6c | 70 | |
37b99bdb | 71 | static struct bt_format *fmt_read; |
afb48eae | 72 | |
11e1d048 | 73 | static |
bbefb8dd MD |
74 | void strlower(char *str) |
75 | { | |
76 | while (*str) { | |
34224260 | 77 | *str = tolower((int) *str); |
bbefb8dd MD |
78 | str++; |
79 | } | |
80 | } | |
81 | ||
34ac0e6c MD |
82 | enum { |
83 | OPT_NONE = 0, | |
9fe26ec7 MD |
84 | OPT_OUTPUT_PATH, |
85 | OPT_INPUT_FORMAT, | |
86 | OPT_OUTPUT_FORMAT, | |
34ac0e6c | 87 | OPT_HELP, |
7fb21036 | 88 | OPT_LIST, |
34ac0e6c MD |
89 | OPT_VERBOSE, |
90 | OPT_DEBUG, | |
d63ca2cd | 91 | OPT_NAMES, |
359d7456 | 92 | OPT_FIELDS, |
8d8ed9af | 93 | OPT_NO_DELTA, |
11ac6674 | 94 | OPT_CLOCK_OFFSET, |
03798a93 | 95 | OPT_CLOCK_CYCLES, |
11ac6674 MD |
96 | OPT_CLOCK_SECONDS, |
97 | OPT_CLOCK_DATE, | |
98 | OPT_CLOCK_GMT, | |
82ace6d6 | 99 | OPT_CLOCK_FORCE_CORRELATE, |
34ac0e6c MD |
100 | }; |
101 | ||
9fe26ec7 MD |
102 | /* |
103 | * We are _not_ using POPT_ARG_STRING ability to store directly into | |
104 | * variables, because we want to cast the return to non-const, which is | |
41075e78 MD |
105 | * not possible without using poptGetOptArg explicitly. This helps us |
106 | * controlling memory allocation correctly without making assumptions | |
107 | * about undocumented behaviors. poptGetOptArg is documented as | |
108 | * requiring the returned const char * to be freed by the caller. | |
9fe26ec7 | 109 | */ |
34ac0e6c MD |
110 | static struct poptOption long_options[] = { |
111 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
c790c052 | 112 | { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL }, |
9fe26ec7 MD |
113 | { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL }, |
114 | { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL }, | |
34ac0e6c | 115 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
7fb21036 | 116 | { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL }, |
34ac0e6c MD |
117 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, |
118 | { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, | |
cba1661c | 119 | { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL }, |
359d7456 | 120 | { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL }, |
8d8ed9af | 121 | { "no-delta", 0, POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL }, |
11ac6674 | 122 | { "clock-offset", 0, POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL }, |
03798a93 | 123 | { "clock-cycles", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL }, |
11ac6674 MD |
124 | { "clock-seconds", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL }, |
125 | { "clock-date", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL }, | |
126 | { "clock-gmt", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL }, | |
82ace6d6 | 127 | { "clock-force-correlate", 0, POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL }, |
34ac0e6c MD |
128 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
129 | }; | |
130 | ||
7fb21036 MD |
131 | static void list_formats(FILE *fp) |
132 | { | |
133 | fprintf(fp, "\n"); | |
134 | bt_fprintf_format_list(fp); | |
135 | } | |
136 | ||
34ac0e6c | 137 | static void usage(FILE *fp) |
4c8bfb7e | 138 | { |
4c15b06b | 139 | fprintf(fp, "BabelTrace Trace Viewer and Converter %s\n\n", VERSION); |
4e85cbfd | 140 | fprintf(fp, "usage : babeltrace [OPTIONS] FILE...\n"); |
34ac0e6c | 141 | fprintf(fp, "\n"); |
4e85cbfd MD |
142 | fprintf(fp, " FILE Input trace file(s) and/or directory(ies)\n"); |
143 | fprintf(fp, " (space-separated)\n"); | |
144 | fprintf(fp, " -w, --output OUTPUT Output trace path (default: stdout)\n"); | |
34ac0e6c | 145 | fprintf(fp, "\n"); |
d2b8ea6b MD |
146 | fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n"); |
147 | fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n"); | |
34ac0e6c | 148 | fprintf(fp, "\n"); |
4d5678b9 MD |
149 | fprintf(fp, " -h, --help This help message\n"); |
150 | fprintf(fp, " -l, --list List available formats\n"); | |
151 | fprintf(fp, " -v, --verbose Verbose mode\n"); | |
cba1661c | 152 | fprintf(fp, " (or set BABELTRACE_VERBOSE environment variable)\n"); |
4d5678b9 | 153 | fprintf(fp, " -d, --debug Debug mode\n"); |
cba1661c | 154 | fprintf(fp, " (or set BABELTRACE_DEBUG environment variable)\n"); |
8d8ed9af | 155 | fprintf(fp, " --no-delta Do not print time delta between consecutive events\n"); |
359d7456 | 156 | fprintf(fp, " -n, --names name1<,name2,...> Print field names:\n"); |
82662ad4 | 157 | fprintf(fp, " (payload OR args OR arg)\n"); |
12c9c3bc MD |
158 | fprintf(fp, " none, all, scope, header, (context OR ctx)\n"); |
159 | fprintf(fp, " (default: payload,context)\n"); | |
359d7456 | 160 | fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n"); |
32cfb8ad | 161 | fprintf(fp, " all, trace, trace:hostname, trace:domain,\n"); |
f133896d | 162 | fprintf(fp, " trace:procname, trace:vpid, loglevel, emf, callsite.\n"); |
c3815874 | 163 | fprintf(fp, " (default: trace:hostname,trace:procname,trace:vpid)\n"); |
03798a93 | 164 | fprintf(fp, " --clock-cycles Timestamp in cycles\n"); |
11ac6674 MD |
165 | fprintf(fp, " --clock-offset seconds Clock offset in seconds\n"); |
166 | fprintf(fp, " --clock-seconds Print the timestamps as [sec.ns]\n"); | |
167 | fprintf(fp, " (default is: [hh:mm:ss.ns])\n"); | |
168 | fprintf(fp, " --clock-date Print clock date\n"); | |
169 | fprintf(fp, " --clock-gmt Print clock in GMT time zone (default: local time zone)\n"); | |
82ace6d6 MD |
170 | fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n"); |
171 | fprintf(fp, " across traces.\n"); | |
7fb21036 | 172 | list_formats(fp); |
34ac0e6c MD |
173 | fprintf(fp, "\n"); |
174 | } | |
175 | ||
cba1661c MD |
176 | static int get_names_args(poptContext *pc) |
177 | { | |
178 | char *str, *strlist, *strctx; | |
9f2c779c | 179 | int ret = 0; |
cba1661c MD |
180 | |
181 | opt_payload_field_names = 0; | |
12c9c3bc | 182 | opt_context_field_names = 0; |
cba1661c MD |
183 | strlist = (char *) poptGetOptArg(*pc); |
184 | if (!strlist) { | |
185 | return -EINVAL; | |
186 | } | |
187 | str = strtok_r(strlist, ",", &strctx); | |
188 | do { | |
189 | if (!strcmp(str, "all")) | |
190 | opt_all_field_names = 1; | |
191 | else if (!strcmp(str, "scope")) | |
192 | opt_scope_field_names = 1; | |
193 | else if (!strcmp(str, "context") || !strcmp(str, "ctx")) | |
194 | opt_context_field_names = 1; | |
195 | else if (!strcmp(str, "header")) | |
196 | opt_header_field_names = 1; | |
197 | else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg")) | |
198 | opt_payload_field_names = 1; | |
12c9c3bc MD |
199 | else if (!strcmp(str, "none")) { |
200 | opt_all_field_names = 0; | |
201 | opt_scope_field_names = 0; | |
202 | opt_context_field_names = 0; | |
203 | opt_header_field_names = 0; | |
204 | opt_payload_field_names = 0; | |
205 | } else { | |
359d7456 | 206 | fprintf(stderr, "[error] unknown field name type %s\n", str); |
9f2c779c MD |
207 | ret = -EINVAL; |
208 | goto end; | |
359d7456 MD |
209 | } |
210 | } while ((str = strtok_r(NULL, ",", &strctx))); | |
9f2c779c MD |
211 | end: |
212 | free(strlist); | |
213 | return ret; | |
359d7456 MD |
214 | } |
215 | ||
216 | static int get_fields_args(poptContext *pc) | |
217 | { | |
218 | char *str, *strlist, *strctx; | |
9f2c779c | 219 | int ret = 0; |
359d7456 | 220 | |
359d7456 MD |
221 | strlist = (char *) poptGetOptArg(*pc); |
222 | if (!strlist) { | |
223 | return -EINVAL; | |
224 | } | |
225 | str = strtok_r(strlist, ",", &strctx); | |
226 | do { | |
c3815874 | 227 | opt_trace_default_fields = 0; |
359d7456 MD |
228 | if (!strcmp(str, "all")) |
229 | opt_all_fields = 1; | |
82662ad4 | 230 | else if (!strcmp(str, "trace")) |
359d7456 | 231 | opt_trace_field = 1; |
c3815874 MD |
232 | else if (!strcmp(str, "trace:hostname")) |
233 | opt_trace_hostname_field = 1; | |
8c250d87 | 234 | else if (!strcmp(str, "trace:domain")) |
359d7456 | 235 | opt_trace_domain_field = 1; |
8c250d87 | 236 | else if (!strcmp(str, "trace:procname")) |
359d7456 | 237 | opt_trace_procname_field = 1; |
8c250d87 | 238 | else if (!strcmp(str, "trace:vpid")) |
359d7456 | 239 | opt_trace_vpid_field = 1; |
d86d62f8 | 240 | else if (!strcmp(str, "loglevel")) |
359d7456 | 241 | opt_loglevel_field = 1; |
f6714e20 MD |
242 | else if (!strcmp(str, "emf")) |
243 | opt_emf_field = 1; | |
f133896d MD |
244 | else if (!strcmp(str, "callsite")) |
245 | opt_callsite_field = 1; | |
cba1661c | 246 | else { |
359d7456 | 247 | fprintf(stderr, "[error] unknown field type %s\n", str); |
9f2c779c MD |
248 | ret = -EINVAL; |
249 | goto end; | |
cba1661c MD |
250 | } |
251 | } while ((str = strtok_r(NULL, ",", &strctx))); | |
9f2c779c MD |
252 | end: |
253 | free(strlist); | |
254 | return ret; | |
cba1661c MD |
255 | } |
256 | ||
34ac0e6c MD |
257 | /* |
258 | * Return 0 if caller should continue, < 0 if caller should return | |
259 | * error, > 0 if caller should exit without reporting error. | |
260 | */ | |
bbefb8dd | 261 | static int parse_options(int argc, char **argv) |
34ac0e6c MD |
262 | { |
263 | poptContext pc; | |
264 | int opt, ret = 0; | |
41075e78 | 265 | const char *ipath; |
34ac0e6c | 266 | |
0f980a35 MD |
267 | if (argc == 1) { |
268 | usage(stdout); | |
269 | return 1; /* exit cleanly */ | |
270 | } | |
271 | ||
bbefb8dd | 272 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
34ac0e6c MD |
273 | poptReadDefaultConfig(pc, 0); |
274 | ||
cba1661c | 275 | /* set default */ |
e505794f | 276 | opt_context_field_names = 1; |
cba1661c MD |
277 | opt_payload_field_names = 1; |
278 | ||
34ac0e6c MD |
279 | while ((opt = poptGetNextOpt(pc)) != -1) { |
280 | switch (opt) { | |
9fe26ec7 MD |
281 | case OPT_OUTPUT_PATH: |
282 | opt_output_path = (char *) poptGetOptArg(pc); | |
283 | if (!opt_output_path) { | |
284 | ret = -EINVAL; | |
285 | goto end; | |
286 | } | |
287 | break; | |
288 | case OPT_INPUT_FORMAT: | |
289 | opt_input_format = (char *) poptGetOptArg(pc); | |
290 | if (!opt_input_format) { | |
291 | ret = -EINVAL; | |
292 | goto end; | |
293 | } | |
294 | break; | |
295 | case OPT_OUTPUT_FORMAT: | |
296 | opt_output_format = (char *) poptGetOptArg(pc); | |
297 | if (!opt_output_format) { | |
298 | ret = -EINVAL; | |
299 | goto end; | |
300 | } | |
301 | break; | |
34ac0e6c | 302 | case OPT_HELP: |
7fb21036 | 303 | usage(stdout); |
34ac0e6c MD |
304 | ret = 1; /* exit cleanly */ |
305 | goto end; | |
7fb21036 MD |
306 | case OPT_LIST: |
307 | list_formats(stdout); | |
308 | ret = 1; | |
309 | goto end; | |
34ac0e6c MD |
310 | case OPT_VERBOSE: |
311 | babeltrace_verbose = 1; | |
312 | break; | |
cba1661c MD |
313 | case OPT_NAMES: |
314 | if (get_names_args(&pc)) { | |
315 | ret = -EINVAL; | |
316 | goto end; | |
317 | } | |
318 | break; | |
359d7456 MD |
319 | case OPT_FIELDS: |
320 | if (get_fields_args(&pc)) { | |
321 | ret = -EINVAL; | |
322 | goto end; | |
323 | } | |
324 | break; | |
34ac0e6c MD |
325 | case OPT_DEBUG: |
326 | babeltrace_debug = 1; | |
327 | break; | |
8d8ed9af | 328 | case OPT_NO_DELTA: |
359d7456 | 329 | opt_delta_field = 0; |
8d8ed9af | 330 | break; |
03798a93 JD |
331 | case OPT_CLOCK_CYCLES: |
332 | opt_clock_cycles = 1; | |
11ac6674 MD |
333 | break; |
334 | case OPT_CLOCK_OFFSET: | |
335 | { | |
9f2c779c | 336 | char *str; |
34224260 | 337 | char *endptr; |
11ac6674 | 338 | |
9f2c779c | 339 | str = (char *) poptGetOptArg(pc); |
11ac6674 MD |
340 | if (!str) { |
341 | fprintf(stderr, "[error] Missing --clock-offset argument\n"); | |
342 | ret = -EINVAL; | |
343 | goto end; | |
344 | } | |
345 | errno = 0; | |
346 | opt_clock_offset = strtoull(str, &endptr, 0); | |
347 | if (*endptr != '\0' || str == endptr || errno != 0) { | |
348 | fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str); | |
349 | ret = -EINVAL; | |
9f2c779c | 350 | free(str); |
11ac6674 MD |
351 | goto end; |
352 | } | |
9f2c779c | 353 | free(str); |
11ac6674 MD |
354 | break; |
355 | } | |
356 | case OPT_CLOCK_SECONDS: | |
357 | opt_clock_seconds = 1; | |
358 | break; | |
359 | case OPT_CLOCK_DATE: | |
360 | opt_clock_date = 1; | |
361 | break; | |
362 | case OPT_CLOCK_GMT: | |
363 | opt_clock_gmt = 1; | |
364 | break; | |
82ace6d6 MD |
365 | case OPT_CLOCK_FORCE_CORRELATE: |
366 | opt_clock_force_correlate = 1; | |
367 | break; | |
11ac6674 | 368 | |
34ac0e6c MD |
369 | default: |
370 | ret = -EINVAL; | |
371 | goto end; | |
372 | } | |
373 | } | |
374 | ||
4e85cbfd | 375 | do { |
41075e78 | 376 | ipath = poptGetArg(pc); |
4e85cbfd MD |
377 | if (ipath) |
378 | g_ptr_array_add(opt_input_paths, (gpointer) ipath); | |
379 | } while (ipath); | |
380 | if (opt_input_paths->len == 0) { | |
34ac0e6c MD |
381 | ret = -EINVAL; |
382 | goto end; | |
383 | } | |
cba1661c | 384 | |
34ac0e6c MD |
385 | end: |
386 | if (pc) { | |
387 | poptFreeContext(pc); | |
388 | } | |
389 | return ret; | |
390 | } | |
391 | ||
a99343cf | 392 | static GPtrArray *traversed_paths = 0; |
afb48eae | 393 | |
a99343cf YB |
394 | /* |
395 | * traverse_trace_dir() is the callback function for File Tree Walk (nftw). | |
396 | * it receives the path of the current entry (file, dir, link..etc) with | |
397 | * a flag to indicate the type of the entry. | |
398 | * if the entry being visited is a directory and contains a metadata file, | |
399 | * then add the path to a global list to be processed later in | |
400 | * add_traces_recursive. | |
401 | */ | |
402 | static int traverse_trace_dir(const char *fpath, const struct stat *sb, | |
403 | int tflag, struct FTW *ftwbuf) | |
404 | { | |
405 | int dirfd, metafd; | |
406 | int closeret; | |
407 | ||
408 | if (tflag != FTW_D) | |
409 | return 0; | |
410 | ||
411 | dirfd = open(fpath, 0); | |
412 | if (dirfd < 0) { | |
413 | fprintf(stderr, "[error] [Context] Unable to open trace " | |
414 | "directory file descriptor.\n"); | |
415 | return 0; /* partial error */ | |
416 | } | |
417 | metafd = openat(dirfd, "metadata", O_RDONLY); | |
418 | if (metafd < 0) { | |
419 | closeret = close(dirfd); | |
420 | if (closeret < 0) { | |
421 | perror("close"); | |
422 | return -1; | |
423 | } | |
424 | /* No meta data, just return */ | |
425 | return 0; | |
426 | } else { | |
427 | closeret = close(metafd); | |
428 | if (closeret < 0) { | |
429 | perror("close"); | |
430 | return -1; /* failure */ | |
431 | } | |
432 | closeret = close(dirfd); | |
433 | if (closeret < 0) { | |
434 | perror("close"); | |
435 | return -1; /* failure */ | |
436 | } | |
437 | ||
438 | /* Add path to the global list */ | |
439 | if (traversed_paths == NULL) { | |
440 | fprintf(stderr, "[error] [Context] Invalid open path array.\n"); | |
441 | return -1; | |
442 | } | |
443 | g_ptr_array_add(traversed_paths, g_string_new(fpath)); | |
444 | } | |
445 | ||
446 | return 0; | |
447 | } | |
d0d82191 | 448 | |
20d24215 YB |
449 | /* |
450 | * bt_context_add_traces_recursive: Open a trace recursively | |
451 | * | |
452 | * Find each trace present in the subdirectory starting from the given | |
613f532b MD |
453 | * path, and add them to the context. The packet_seek parameter can be |
454 | * NULL: this specify to use the default format packet_seek. | |
20d24215 | 455 | * |
b945d4a5 | 456 | * Return: 0 on success, < 0 on failure, > 0 on partial failure. |
20d24215 | 457 | * Unable to open toplevel: failure. |
b945d4a5 MD |
458 | * Unable to open some subdirectory or file: warn and continue (partial |
459 | * failure); | |
20d24215 YB |
460 | */ |
461 | int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path, | |
613f532b | 462 | const char *format_str, |
1cf393f6 | 463 | void (*packet_seek)(struct bt_stream_pos *pos, |
613f532b | 464 | size_t offset, int whence)) |
20d24215 | 465 | { |
a99343cf | 466 | |
20d24215 | 467 | GArray *trace_ids; |
b945d4a5 | 468 | int ret = 0; |
20d24215 | 469 | |
a99343cf | 470 | /* Should lock traversed_paths mutex here if used in multithread */ |
20d24215 | 471 | |
a99343cf | 472 | traversed_paths = g_ptr_array_new(); |
20d24215 YB |
473 | trace_ids = g_array_new(FALSE, TRUE, sizeof(int)); |
474 | ||
a99343cf YB |
475 | ret = nftw(path, traverse_trace_dir, 10, 0); |
476 | ||
477 | /* Process the array if ntfw did not return a fatal error */ | |
478 | if (ret >= 0) { | |
08c82b90 MD |
479 | int i; |
480 | ||
a99343cf YB |
481 | for (i = 0; i < traversed_paths->len; i++) { |
482 | GString *trace_path = g_ptr_array_index(traversed_paths, | |
483 | i); | |
484 | int trace_id = bt_context_add_trace(ctx, | |
485 | trace_path->str, | |
486 | format_str, | |
487 | packet_seek, | |
488 | NULL, | |
489 | NULL); | |
20d24215 | 490 | if (trace_id < 0) { |
7f89ddce | 491 | fprintf(stderr, "[warning] [Context] cannot open trace \"%s\" from %s " |
a99343cf | 492 | "for reading.\n", trace_path->str, path); |
ca718275 | 493 | /* Allow to skip erroneous traces. */ |
b945d4a5 | 494 | ret = 1; /* partial error */ |
a99343cf YB |
495 | } else { |
496 | g_array_append_val(trace_ids, trace_id); | |
20d24215 | 497 | } |
a99343cf | 498 | g_string_free(trace_path, TRUE); |
20d24215 YB |
499 | } |
500 | } | |
d0d82191 | 501 | |
a99343cf YB |
502 | g_ptr_array_free(traversed_paths, TRUE); |
503 | traversed_paths = NULL; | |
504 | ||
505 | /* Should unlock traversed paths mutex here if used in multithread */ | |
20d24215 | 506 | |
27cd3890 MD |
507 | /* |
508 | * Return an error if no trace can be opened. | |
509 | */ | |
b945d4a5 | 510 | if (trace_ids->len == 0) { |
27cd3890 | 511 | fprintf(stderr, "[error] Cannot open any trace for reading.\n\n"); |
b945d4a5 | 512 | ret = -ENOENT; /* failure */ |
27cd3890 MD |
513 | } |
514 | g_array_free(trace_ids, TRUE); | |
20d24215 YB |
515 | return ret; |
516 | } | |
a44bc4c9 | 517 | |
1b8455b7 | 518 | int convert_trace(struct bt_trace_descriptor *td_write, |
95d36295 JD |
519 | struct bt_context *ctx) |
520 | { | |
e4195791 | 521 | struct bt_ctf_iter *iter; |
95d36295 | 522 | struct ctf_text_stream_pos *sout; |
e8c92a62 | 523 | struct bt_iter_pos begin_pos; |
c50d2a7a | 524 | struct bt_ctf_event *ctf_event; |
95d36295 JD |
525 | int ret; |
526 | ||
527 | sout = container_of(td_write, struct ctf_text_stream_pos, | |
528 | trace_descriptor); | |
529 | ||
530 | begin_pos.type = BT_SEEK_BEGIN; | |
e4195791 | 531 | iter = bt_ctf_iter_create(ctx, &begin_pos, NULL); |
95d36295 JD |
532 | if (!iter) { |
533 | ret = -1; | |
534 | goto error_iter; | |
535 | } | |
e4195791 | 536 | while ((ctf_event = bt_ctf_iter_read_event(iter))) { |
c50d2a7a | 537 | ret = sout->parent.event_cb(&sout->parent, ctf_event->parent->stream); |
95d36295 | 538 | if (ret) { |
3394d22e | 539 | fprintf(stderr, "[error] Writing event failed.\n"); |
95d36295 JD |
540 | goto end; |
541 | } | |
e4195791 | 542 | ret = bt_iter_next(bt_ctf_get_iter(iter)); |
95d36295 JD |
543 | if (ret < 0) |
544 | goto end; | |
545 | } | |
546 | ret = 0; | |
547 | ||
548 | end: | |
e4195791 | 549 | bt_ctf_iter_destroy(iter); |
95d36295 JD |
550 | error_iter: |
551 | return ret; | |
552 | } | |
553 | ||
bbefb8dd | 554 | int main(int argc, char **argv) |
34ac0e6c | 555 | { |
4e85cbfd | 556 | int ret, partial_error = 0, open_success = 0; |
37b99bdb | 557 | struct bt_format *fmt_write; |
1b8455b7 | 558 | struct bt_trace_descriptor *td_write; |
95d36295 | 559 | struct bt_context *ctx; |
4e85cbfd MD |
560 | int i; |
561 | ||
562 | opt_input_paths = g_ptr_array_new(); | |
34ac0e6c MD |
563 | |
564 | ret = parse_options(argc, argv); | |
565 | if (ret < 0) { | |
3394d22e MD |
566 | fprintf(stderr, "Error parsing options.\n\n"); |
567 | usage(stderr); | |
4e85cbfd | 568 | g_ptr_array_free(opt_input_paths, TRUE); |
34ac0e6c MD |
569 | exit(EXIT_FAILURE); |
570 | } else if (ret > 0) { | |
4e85cbfd | 571 | g_ptr_array_free(opt_input_paths, TRUE); |
34ac0e6c MD |
572 | exit(EXIT_SUCCESS); |
573 | } | |
574 | printf_verbose("Verbose mode active.\n"); | |
575 | printf_debug("Debug mode active.\n"); | |
576 | ||
9fe26ec7 | 577 | if (opt_input_format) |
bbefb8dd | 578 | strlower(opt_input_format); |
9fe26ec7 | 579 | if (opt_output_format) |
bbefb8dd MD |
580 | strlower(opt_output_format); |
581 | ||
4e85cbfd MD |
582 | printf_verbose("Converting from directory(ies):\n"); |
583 | for (i = 0; i < opt_input_paths->len; i++) { | |
584 | const char *ipath = g_ptr_array_index(opt_input_paths, i); | |
585 | printf_verbose(" %s\n", ipath); | |
586 | } | |
34ac0e6c | 587 | printf_verbose("Converting from format: %s\n", |
b61922b5 | 588 | opt_input_format ? : "ctf <default>"); |
c3e4d5dc | 589 | printf_verbose("Converting to target: %s\n", |
478b6389 | 590 | opt_output_path ? : "<stdout>"); |
34ac0e6c | 591 | printf_verbose("Converting to format: %s\n", |
b61922b5 | 592 | opt_output_format ? : "text <default>"); |
bbefb8dd | 593 | |
11e1d048 MD |
594 | if (!opt_input_format) { |
595 | opt_input_format = strdup("ctf"); | |
596 | if (!opt_input_format) { | |
597 | partial_error = 1; | |
598 | goto end; | |
599 | } | |
600 | } | |
601 | if (!opt_output_format) { | |
602 | opt_output_format = strdup("text"); | |
603 | if (!opt_output_format) { | |
604 | partial_error = 1; | |
605 | goto end; | |
606 | } | |
607 | } | |
bbefb8dd | 608 | fmt_read = bt_lookup_format(g_quark_from_static_string(opt_input_format)); |
05cab525 | 609 | if (!fmt_read || fmt_read->name != g_quark_from_static_string("ctf")) { |
3394d22e | 610 | fprintf(stderr, "[error] Format \"%s\" is not supported.\n\n", |
bbefb8dd | 611 | opt_input_format); |
11e1d048 MD |
612 | partial_error = 1; |
613 | goto end; | |
bbefb8dd | 614 | } |
bbefb8dd MD |
615 | fmt_write = bt_lookup_format(g_quark_from_static_string(opt_output_format)); |
616 | if (!fmt_write) { | |
3394d22e | 617 | fprintf(stderr, "[error] format \"%s\" is not supported.\n\n", |
bbefb8dd | 618 | opt_output_format); |
11e1d048 MD |
619 | partial_error = 1; |
620 | goto end; | |
bbefb8dd MD |
621 | } |
622 | ||
6cba487f | 623 | ctx = bt_context_create(); |
d63c2d51 JD |
624 | if (!ctx) { |
625 | goto error_td_read; | |
626 | } | |
6cba487f | 627 | |
4e85cbfd MD |
628 | for (i = 0; i < opt_input_paths->len; i++) { |
629 | const char *ipath = g_ptr_array_index(opt_input_paths, i); | |
630 | ret = bt_context_add_traces_recursive(ctx, ipath, | |
631 | opt_input_format, NULL); | |
632 | if (ret < 0) { | |
633 | fprintf(stderr, "[error] opening trace \"%s\" for reading.\n\n", | |
634 | ipath); | |
635 | } else if (ret > 0) { | |
636 | fprintf(stderr, "[warning] errors occurred when opening trace \"%s\" for reading, continuing anyway.\n\n", | |
637 | ipath); | |
638 | open_success = 1; /* some traces were OK */ | |
639 | partial_error = 1; | |
640 | } else { | |
641 | open_success = 1; /* all traces were OK */ | |
642 | } | |
643 | } | |
644 | if (!open_success) { | |
645 | fprintf(stderr, "[error] none of the specified trace paths could be opened.\n\n"); | |
bbefb8dd MD |
646 | goto error_td_read; |
647 | } | |
6cba487f | 648 | |
5b80ddfb | 649 | td_write = fmt_write->open_trace(opt_output_path, O_RDWR, NULL, NULL); |
bbefb8dd | 650 | if (!td_write) { |
3394d22e | 651 | fprintf(stderr, "Error opening trace \"%s\" for writing.\n\n", |
b61922b5 | 652 | opt_output_path ? : "<none>"); |
bbefb8dd MD |
653 | goto error_td_write; |
654 | } | |
847bf71a | 655 | |
24d5af5b MD |
656 | /* |
657 | * Errors happened when opening traces, but we continue anyway. | |
658 | * sleep to let user see the stderr output before stdout. | |
659 | */ | |
4e85cbfd | 660 | if (partial_error) |
24d5af5b | 661 | sleep(PARTIAL_ERROR_SLEEP); |
24d5af5b | 662 | |
95d36295 | 663 | ret = convert_trace(td_write, ctx); |
46322b33 | 664 | if (ret) { |
3394d22e | 665 | fprintf(stderr, "Error printing trace.\n\n"); |
46322b33 MD |
666 | goto error_copy_trace; |
667 | } | |
847bf71a | 668 | |
bbefb8dd | 669 | fmt_write->close_trace(td_write); |
6cba487f MD |
670 | |
671 | bt_context_put(ctx); | |
afb48eae AA |
672 | printf_verbose("finished converting. Output written to:\n%s\n", |
673 | opt_output_path ? : "<stdout>"); | |
11e1d048 | 674 | goto end; |
34ac0e6c | 675 | |
bbefb8dd | 676 | /* Error handling */ |
46322b33 | 677 | error_copy_trace: |
bbefb8dd MD |
678 | fmt_write->close_trace(td_write); |
679 | error_td_write: | |
6cba487f | 680 | bt_context_put(ctx); |
bbefb8dd | 681 | error_td_read: |
11e1d048 MD |
682 | partial_error = 1; |
683 | ||
684 | /* teardown and exit */ | |
685 | end: | |
686 | free(opt_input_format); | |
687 | free(opt_output_format); | |
9fe26ec7 | 688 | free(opt_output_path); |
4e85cbfd | 689 | g_ptr_array_free(opt_input_paths, TRUE); |
11e1d048 MD |
690 | if (partial_error) |
691 | exit(EXIT_FAILURE); | |
692 | else | |
693 | exit(EXIT_SUCCESS); | |
4c8bfb7e | 694 | } |