Commit | Line | Data |
---|---|---|
8c572eba | 1 | /* |
b522ac18 | 2 | * babeltrace-log.c |
8c572eba | 3 | * |
b522ac18 | 4 | * BabelTrace - Convert Text Log to CTF |
8c572eba | 5 | * |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8c572eba 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 | * | |
c462e188 MD |
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. | |
27 | * | |
8c572eba MD |
28 | * Depends on glibc 2.10 for getline(). |
29 | */ | |
30 | ||
c696b1b1 | 31 | #define _GNU_SOURCE |
00f7fbf0 | 32 | #include <config.h> |
90219914 MD |
33 | #include <sys/types.h> |
34 | #include <sys/stat.h> | |
35 | #include <fcntl.h> | |
36 | #include <sys/mman.h> | |
989c73bc | 37 | #include <dirent.h> |
90219914 | 38 | #include <stdio.h> |
989c73bc | 39 | #include <stdlib.h> |
90219914 MD |
40 | #include <stdint.h> |
41 | #include <unistd.h> | |
42 | #include <errno.h> | |
90219914 | 43 | #include <string.h> |
fef3bf22 | 44 | #include <inttypes.h> |
90219914 | 45 | |
70bd0a12 | 46 | #include <babeltrace/babeltrace-internal.h> |
8c572eba | 47 | #include <babeltrace/ctf/types.h> |
a4dfa07b | 48 | #include <babeltrace/uuid.h> |
43e34335 | 49 | #include <babeltrace/endian.h> |
8c572eba | 50 | |
bfe09576 | 51 | #define USEC_PER_SEC 1000000UL |
ca8b2b02 | 52 | |
ca8b2b02 MD |
53 | int babeltrace_debug, babeltrace_verbose; |
54 | ||
55 | static char *s_outputname; | |
56 | static int s_timestamp; | |
39592eae | 57 | static int s_help; |
43e34335 | 58 | static unsigned char s_uuid[BABELTRACE_UUID_LEN]; |
ca8b2b02 | 59 | |
b522ac18 MD |
60 | /* Metadata format string */ |
61 | static const char metadata_fmt[] = | |
408a2c4d | 62 | "/* CTF 1.8 */\n" |
989c73bc MD |
63 | "typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n" |
64 | "typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n" | |
fef3bf22 | 65 | "typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n" |
989c73bc MD |
66 | "\n" |
67 | "trace {\n" | |
c818559a MD |
68 | " major = %u;\n" /* major (e.g. 0) */ |
69 | " minor = %u;\n" /* minor (e.g. 1) */ | |
b522ac18 | 70 | " uuid = \"%s\";\n" /* UUID */ |
989c73bc MD |
71 | " byte_order = %s;\n" /* be or le */ |
72 | " packet.header := struct {\n" | |
73 | " uint32_t magic;\n" | |
b4c19c1e | 74 | " uint8_t uuid[16];\n" |
989c73bc MD |
75 | " };\n" |
76 | "};\n" | |
77 | "\n" | |
78 | "stream {\n" | |
79 | " packet.context := struct {\n" | |
fef3bf22 MD |
80 | " uint64_t content_size;\n" |
81 | " uint64_t packet_size;\n" | |
989c73bc | 82 | " };\n" |
ca8b2b02 | 83 | "%s" /* Stream event header (opt.) */ |
989c73bc MD |
84 | "};\n" |
85 | "\n" | |
86 | "event {\n" | |
87 | " name = string;\n" | |
88 | " fields := struct { string str; };\n" | |
89 | "};\n"; | |
90 | ||
ca8b2b02 MD |
91 | static const char metadata_stream_event_header_timestamp[] = |
92 | " typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n" | |
93 | " event.header := struct {\n" | |
94 | " uint64_t timestamp;\n" | |
95 | " };\n"; | |
8c572eba | 96 | |
b522ac18 MD |
97 | static |
98 | void print_metadata(FILE *fp) | |
99 | { | |
a4dfa07b | 100 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
00f7fbf0 MD |
101 | unsigned int major = 0, minor = 0; |
102 | int ret; | |
b522ac18 | 103 | |
00f7fbf0 MD |
104 | ret = sscanf(VERSION, "%u.%u", &major, &minor); |
105 | if (ret != 2) | |
106 | fprintf(stderr, "[warning] Incorrect babeltrace version format\n."); | |
a4dfa07b | 107 | babeltrace_uuid_unparse(s_uuid, uuid_str); |
b522ac18 | 108 | fprintf(fp, metadata_fmt, |
00f7fbf0 MD |
109 | major, |
110 | minor, | |
b522ac18 | 111 | uuid_str, |
ca8b2b02 MD |
112 | BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be", |
113 | s_timestamp ? metadata_stream_event_header_timestamp : ""); | |
b522ac18 MD |
114 | } |
115 | ||
8c572eba | 116 | static |
43e34335 | 117 | void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid) |
8c572eba | 118 | { |
46322b33 | 119 | struct ctf_stream_pos dummy; |
8c572eba MD |
120 | |
121 | /* magic */ | |
46322b33 MD |
122 | ctf_dummy_pos(pos, &dummy); |
123 | ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT); | |
124 | ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT); | |
125 | assert(!ctf_pos_packet(&dummy)); | |
8c572eba | 126 | |
46322b33 MD |
127 | ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT); |
128 | *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1; | |
129 | ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT); | |
8c572eba | 130 | |
b4c19c1e | 131 | /* uuid */ |
46322b33 MD |
132 | ctf_dummy_pos(pos, &dummy); |
133 | ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT); | |
134 | ctf_move_pos(&dummy, 16 * CHAR_BIT); | |
135 | assert(!ctf_pos_packet(&dummy)); | |
136 | ||
137 | ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT); | |
43e34335 MD |
138 | memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN); |
139 | ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT); | |
8c572eba MD |
140 | } |
141 | ||
142 | static | |
46322b33 | 143 | void write_packet_context(struct ctf_stream_pos *pos) |
8c572eba | 144 | { |
46322b33 | 145 | struct ctf_stream_pos dummy; |
8c572eba MD |
146 | |
147 | /* content_size */ | |
46322b33 | 148 | ctf_dummy_pos(pos, &dummy); |
fef3bf22 MD |
149 | ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT); |
150 | ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT); | |
46322b33 | 151 | assert(!ctf_pos_packet(&dummy)); |
8c572eba | 152 | |
fef3bf22 MD |
153 | ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT); |
154 | *(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */ | |
155 | pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos); | |
156 | ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT); | |
8c572eba MD |
157 | |
158 | /* packet_size */ | |
46322b33 | 159 | ctf_dummy_pos(pos, &dummy); |
fef3bf22 MD |
160 | ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT); |
161 | ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT); | |
46322b33 | 162 | assert(!ctf_pos_packet(&dummy)); |
8c572eba | 163 | |
fef3bf22 MD |
164 | ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT); |
165 | *(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size; | |
166 | ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT); | |
8c572eba MD |
167 | } |
168 | ||
ca8b2b02 MD |
169 | static |
170 | void write_event_header(struct ctf_stream_pos *pos, char *line, | |
171 | char **tline, size_t len, size_t *tlen, | |
172 | uint64_t *ts) | |
173 | { | |
bfe09576 | 174 | unsigned long sec, usec; |
ca8b2b02 MD |
175 | |
176 | if (!s_timestamp) | |
177 | return; | |
178 | ||
179 | /* Only need to be executed on first pass (dummy) */ | |
180 | if (pos->dummy) { | |
08c82b90 MD |
181 | int ret; |
182 | ||
ca8b2b02 | 183 | /* Extract time from input line */ |
bfe09576 | 184 | ret = sscanf(line, "[%lu.%lu] ", &sec, &usec); |
ca8b2b02 MD |
185 | if (ret == 2) { |
186 | *tline = strchr(line, ']'); | |
bfe09576 MD |
187 | assert(*tline); |
188 | (*tline)++; | |
189 | if ((*tline)[0] == ' ') { | |
ca8b2b02 | 190 | (*tline)++; |
bfe09576 | 191 | } |
ca8b2b02 | 192 | *tlen = len + line - *tline; |
bfe09576 | 193 | *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; |
af60c988 MD |
194 | /* |
195 | * Default CTF clock has 1GHz frequency. Convert | |
196 | * from usec to nsec. | |
197 | */ | |
198 | *ts *= 1000; | |
ca8b2b02 MD |
199 | } |
200 | } | |
201 | /* timestamp */ | |
202 | ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT); | |
203 | if (!pos->dummy) | |
bc7eb6c8 | 204 | *(uint64_t *) ctf_get_pos_addr(pos) = *ts; |
ca8b2b02 MD |
205 | ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT); |
206 | } | |
207 | ||
8c572eba | 208 | static |
46322b33 | 209 | void trace_string(char *line, struct ctf_stream_pos *pos, size_t len) |
8c572eba | 210 | { |
46322b33 | 211 | struct ctf_stream_pos dummy; |
8c572eba | 212 | int attempt = 0; |
ca8b2b02 MD |
213 | char *tline = line; /* tline is start of text, after timestamp */ |
214 | size_t tlen = len; | |
215 | uint64_t ts = 0; | |
8c572eba MD |
216 | |
217 | printf_debug("read: %s\n", line); | |
08c82b90 MD |
218 | |
219 | for (;;) { | |
220 | ctf_dummy_pos(pos, &dummy); | |
221 | write_event_header(&dummy, line, &tline, len, &tlen, &ts); | |
222 | ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT); | |
223 | ctf_move_pos(&dummy, tlen * CHAR_BIT); | |
224 | if (ctf_pos_packet(&dummy)) { | |
225 | ctf_pos_pad_packet(pos); | |
226 | write_packet_header(pos, s_uuid); | |
227 | write_packet_context(pos); | |
228 | if (attempt++ == 1) { | |
229 | fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n", | |
230 | pos->packet_size / CHAR_BIT / 1024); | |
231 | return; | |
232 | } | |
233 | continue; | |
234 | } else { | |
235 | break; | |
8c572eba | 236 | } |
8c572eba MD |
237 | } |
238 | ||
ca8b2b02 | 239 | write_event_header(pos, line, &tline, len, &tlen, &ts); |
46322b33 | 240 | ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT); |
ca8b2b02 MD |
241 | memcpy(ctf_get_pos_addr(pos), tline, tlen); |
242 | ctf_move_pos(pos, tlen * CHAR_BIT); | |
8c572eba MD |
243 | } |
244 | ||
245 | static | |
246 | void trace_text(FILE *input, int output) | |
247 | { | |
46322b33 | 248 | struct ctf_stream_pos pos; |
8c572eba MD |
249 | ssize_t len; |
250 | char *line = NULL, *nl; | |
251 | size_t linesize; | |
f824ae04 | 252 | int ret; |
8c572eba | 253 | |
89ca8829 | 254 | memset(&pos, 0, sizeof(pos)); |
f824ae04 MD |
255 | ret = ctf_init_pos(&pos, output, O_RDWR); |
256 | if (ret) { | |
257 | fprintf(stderr, "Error in ctf_init_pos\n"); | |
258 | return; | |
259 | } | |
8c572eba MD |
260 | write_packet_header(&pos, s_uuid); |
261 | write_packet_context(&pos); | |
262 | for (;;) { | |
263 | len = getline(&line, &linesize, input); | |
264 | if (len < 0) | |
265 | break; | |
266 | nl = strrchr(line, '\n'); | |
c5e6c71b | 267 | if (nl) { |
8c572eba | 268 | *nl = '\0'; |
c5e6c71b HZ |
269 | trace_string(line, &pos, nl - line + 1); |
270 | } else { | |
271 | trace_string(line, &pos, strlen(line) + 1); | |
272 | } | |
8c572eba | 273 | } |
f824ae04 MD |
274 | ret = ctf_fini_pos(&pos); |
275 | if (ret) { | |
276 | fprintf(stderr, "Error in ctf_fini_pos\n"); | |
277 | } | |
8c572eba | 278 | } |
90219914 | 279 | |
ca8b2b02 MD |
280 | static |
281 | void usage(FILE *fp) | |
989c73bc | 282 | { |
00f7fbf0 | 283 | fprintf(fp, "BabelTrace Log Converter %s\n", VERSION); |
989c73bc MD |
284 | fprintf(fp, "\n"); |
285 | fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n"); | |
286 | fprintf(fp, "\n"); | |
78893e6e | 287 | fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n"); |
989c73bc MD |
288 | fprintf(fp, "\n"); |
289 | fprintf(fp, " OUTPUT Output trace path\n"); | |
290 | fprintf(fp, "\n"); | |
78893e6e MD |
291 | fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n"); |
292 | fprintf(fp, "\n"); | |
989c73bc MD |
293 | } |
294 | ||
ca8b2b02 MD |
295 | static |
296 | int parse_args(int argc, char **argv) | |
297 | { | |
298 | int i; | |
299 | ||
300 | for (i = 1; i < argc; i++) { | |
301 | if (!strcmp(argv[i], "-t")) | |
302 | s_timestamp = 1; | |
39592eae MD |
303 | else if (!strcmp(argv[i], "-h")) { |
304 | s_help = 1; | |
305 | return 0; | |
306 | } else if (argv[i][0] == '-') | |
307 | return -EINVAL; | |
ca8b2b02 MD |
308 | else |
309 | s_outputname = argv[i]; | |
310 | } | |
311 | if (!s_outputname) | |
312 | return -EINVAL; | |
313 | return 0; | |
314 | } | |
315 | ||
90219914 MD |
316 | int main(int argc, char **argv) |
317 | { | |
b522ac18 | 318 | int fd, metadata_fd, ret; |
989c73bc MD |
319 | DIR *dir; |
320 | int dir_fd; | |
b522ac18 | 321 | FILE *metadata_fp; |
90219914 | 322 | |
ca8b2b02 MD |
323 | ret = parse_args(argc, argv); |
324 | if (ret) { | |
3394d22e MD |
325 | fprintf(stderr, "Error: invalid argument.\n"); |
326 | usage(stderr); | |
989c73bc | 327 | goto error; |
90219914 | 328 | } |
90219914 | 329 | |
39592eae MD |
330 | if (s_help) { |
331 | usage(stdout); | |
332 | exit(EXIT_SUCCESS); | |
333 | } | |
334 | ||
ca8b2b02 | 335 | ret = mkdir(s_outputname, S_IRWXU|S_IRWXG); |
90219914 | 336 | if (ret) { |
989c73bc MD |
337 | perror("mkdir"); |
338 | goto error; | |
339 | } | |
340 | ||
ca8b2b02 | 341 | dir = opendir(s_outputname); |
989c73bc MD |
342 | if (!dir) { |
343 | perror("opendir"); | |
344 | goto error_rmdir; | |
345 | } | |
346 | dir_fd = dirfd(dir); | |
347 | if (dir_fd < 0) { | |
348 | perror("dirfd"); | |
349 | goto error_closedir; | |
350 | } | |
351 | ||
352 | fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT, | |
353 | S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); | |
354 | if (fd < 0) { | |
355 | perror("openat"); | |
356 | goto error_closedirfd; | |
90219914 | 357 | } |
90219914 | 358 | |
b522ac18 MD |
359 | metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT, |
360 | S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); | |
361 | if (fd < 0) { | |
362 | perror("openat"); | |
363 | goto error_closedatastream; | |
364 | } | |
365 | metadata_fp = fdopen(metadata_fd, "w"); | |
366 | if (!metadata_fp) { | |
367 | perror("fdopen"); | |
368 | goto error_closemetadatafd; | |
369 | } | |
370 | ||
43e34335 | 371 | babeltrace_uuid_generate(s_uuid); |
b522ac18 | 372 | print_metadata(metadata_fp); |
8c572eba | 373 | trace_text(stdin, fd); |
989c73bc | 374 | |
f824ae04 MD |
375 | ret = close(fd); |
376 | if (ret) | |
377 | perror("close"); | |
989c73bc MD |
378 | exit(EXIT_SUCCESS); |
379 | ||
380 | /* error handling */ | |
b522ac18 MD |
381 | error_closemetadatafd: |
382 | ret = close(metadata_fd); | |
383 | if (ret) | |
384 | perror("close"); | |
385 | error_closedatastream: | |
386 | ret = close(fd); | |
387 | if (ret) | |
388 | perror("close"); | |
989c73bc MD |
389 | error_closedirfd: |
390 | ret = close(dir_fd); | |
391 | if (ret) | |
392 | perror("close"); | |
393 | error_closedir: | |
394 | ret = closedir(dir); | |
395 | if (ret) | |
396 | perror("closedir"); | |
397 | error_rmdir: | |
ca8b2b02 | 398 | ret = rmdir(s_outputname); |
989c73bc MD |
399 | if (ret) |
400 | perror("rmdir"); | |
401 | error: | |
402 | exit(EXIT_FAILURE); | |
90219914 | 403 | } |