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Commit | Line | Data |
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86aa7ba4 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
86aa7ba4 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
86aa7ba4 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
86aa7ba4 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <time.h> | |
23 | #include <assert.h> | |
24 | #include <errno.h> | |
df50185b | 25 | #include <sys/poll.h> |
55d7bfc1 | 26 | #include <string.h> |
86aa7ba4 LP |
27 | |
28 | #include "logs-show.h" | |
29 | #include "log.h" | |
30 | #include "util.h" | |
ba961854 | 31 | #include "utf8.h" |
d99ae53a | 32 | #include "hashmap.h" |
dfb33a97 | 33 | #include "journal-internal.h" |
86aa7ba4 | 34 | |
a6f0104a ZJS |
35 | /* up to three lines (each up to 100 characters), |
36 | or 300 characters, whichever is less */ | |
37 | #define PRINT_LINE_THRESHOLD 3 | |
38 | #define PRINT_CHAR_THRESHOLD 300 | |
39 | ||
08ace05b | 40 | #define JSON_THRESHOLD 4096 |
86aa7ba4 | 41 | |
d4205751 LP |
42 | static int print_catalog(FILE *f, sd_journal *j) { |
43 | int r; | |
44 | _cleanup_free_ char *t = NULL, *z = NULL; | |
45 | ||
46 | ||
47 | r = sd_journal_get_catalog(j, &t); | |
48 | if (r < 0) | |
49 | return r; | |
50 | ||
51 | z = strreplace(strstrip(t), "\n", "\n-- "); | |
52 | if (!z) | |
53 | return log_oom(); | |
54 | ||
55 | fputs("-- ", f); | |
56 | fputs(z, f); | |
57 | fputc('\n', f); | |
58 | ||
59 | return 0; | |
60 | } | |
61 | ||
55d7bfc1 LP |
62 | static int parse_field(const void *data, size_t length, const char *field, char **target, size_t *target_size) { |
63 | size_t fl, nl; | |
64 | void *buf; | |
65 | ||
66 | assert(data); | |
67 | assert(field); | |
68 | assert(target); | |
69 | assert(target_size); | |
70 | ||
71 | fl = strlen(field); | |
72 | if (length < fl) | |
73 | return 0; | |
74 | ||
75 | if (memcmp(data, field, fl)) | |
76 | return 0; | |
77 | ||
78 | nl = length - fl; | |
bf967366 | 79 | buf = malloc(nl+1); |
0d0f0c50 SL |
80 | if (!buf) |
81 | return log_oom(); | |
55d7bfc1 | 82 | |
46b0d922 LP |
83 | memcpy(buf, (const char*) data + fl, nl); |
84 | ((char*)buf)[nl] = 0; | |
85 | ||
6c1e6b98 | 86 | free(*target); |
55d7bfc1 LP |
87 | *target = buf; |
88 | *target_size = nl; | |
89 | ||
90 | return 1; | |
91 | } | |
92 | ||
08ace05b LP |
93 | static bool shall_print(const char *p, size_t l, OutputFlags flags) { |
94 | assert(p); | |
95 | ||
96 | if (flags & OUTPUT_SHOW_ALL) | |
55d7bfc1 LP |
97 | return true; |
98 | ||
a6f0104a | 99 | if (l >= PRINT_CHAR_THRESHOLD) |
55d7bfc1 LP |
100 | return false; |
101 | ||
31f7bf19 | 102 | if (!utf8_is_printable(p, l)) |
55d7bfc1 LP |
103 | return false; |
104 | ||
105 | return true; | |
106 | } | |
107 | ||
94e0bd7d | 108 | static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputMode flags, int priority, const char* message, size_t message_len) { |
31f7bf19 ZJS |
109 | const char *color_on = "", *color_off = ""; |
110 | const char *pos, *end; | |
94e0bd7d | 111 | bool ellipsized = false; |
a6f0104a | 112 | int line = 0; |
31f7bf19 ZJS |
113 | |
114 | if (flags & OUTPUT_COLOR) { | |
115 | if (priority <= LOG_ERR) { | |
116 | color_on = ANSI_HIGHLIGHT_RED_ON; | |
117 | color_off = ANSI_HIGHLIGHT_OFF; | |
118 | } else if (priority <= LOG_NOTICE) { | |
119 | color_on = ANSI_HIGHLIGHT_ON; | |
120 | color_off = ANSI_HIGHLIGHT_OFF; | |
121 | } | |
122 | } | |
123 | ||
a6f0104a ZJS |
124 | for (pos = message; |
125 | pos < message + message_len; | |
126 | pos = end + 1, line++) { | |
127 | bool continuation = line > 0; | |
128 | bool tail_line; | |
31f7bf19 ZJS |
129 | int len; |
130 | for (end = pos; end < message + message_len && *end != '\n'; end++) | |
131 | ; | |
132 | len = end - pos; | |
133 | assert(len >= 0); | |
134 | ||
a6f0104a ZJS |
135 | /* We need to figure out when we are showing the last line, and |
136 | * will skip subsequent lines. In that case, we will put the dots | |
137 | * at the end of the line, instead of putting dots in the middle | |
138 | * or not at all. | |
139 | */ | |
140 | tail_line = | |
141 | line + 1 == PRINT_LINE_THRESHOLD || | |
142 | end + 1 >= message + message_len; | |
143 | ||
144 | if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) || | |
145 | (prefix + len + 1 < n_columns && !tail_line)) { | |
31f7bf19 ZJS |
146 | fprintf(f, "%*s%s%.*s%s\n", |
147 | continuation * prefix, "", | |
148 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
149 | continue; |
150 | } | |
31f7bf19 | 151 | |
a6f0104a ZJS |
152 | /* Beyond this point, ellipsization will happen. */ |
153 | ellipsized = true; | |
31f7bf19 | 154 | |
a6f0104a ZJS |
155 | if (prefix < n_columns && n_columns - prefix >= 3) { |
156 | if (n_columns - prefix > (unsigned) len + 3) | |
157 | fprintf(f, "%*s%s%.*s...%s\n", | |
b4b02cbe ZJS |
158 | continuation * prefix, "", |
159 | color_on, len, pos, color_off); | |
a6f0104a ZJS |
160 | else { |
161 | _cleanup_free_ char *e; | |
162 | ||
163 | e = ellipsize_mem(pos, len, n_columns - prefix, | |
164 | tail_line ? 100 : 90); | |
165 | if (!e) | |
166 | fprintf(f, "%*s%s%.*s%s\n", | |
167 | continuation * prefix, "", | |
168 | color_on, len, pos, color_off); | |
169 | else | |
170 | fprintf(f, "%*s%s%s%s\n", | |
171 | continuation * prefix, "", | |
172 | color_on, e, color_off); | |
173 | } | |
174 | } else | |
31f7bf19 ZJS |
175 | fputs("...\n", f); |
176 | ||
a6f0104a ZJS |
177 | if (tail_line) |
178 | break; | |
31f7bf19 | 179 | } |
94e0bd7d ZJS |
180 | |
181 | return ellipsized; | |
31f7bf19 ZJS |
182 | } |
183 | ||
08ace05b LP |
184 | static int output_short( |
185 | FILE *f, | |
186 | sd_journal *j, | |
187 | OutputMode mode, | |
188 | unsigned n_columns, | |
189 | OutputFlags flags) { | |
190 | ||
86aa7ba4 | 191 | int r; |
86aa7ba4 LP |
192 | const void *data; |
193 | size_t length; | |
194 | size_t n = 0; | |
08ace05b | 195 | _cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL; |
49826187 LP |
196 | size_t hostname_len = 0, identifier_len = 0, comm_len = 0, pid_len = 0, fake_pid_len = 0, message_len = 0, realtime_len = 0, monotonic_len = 0, priority_len = 0; |
197 | int p = LOG_INFO; | |
94e0bd7d | 198 | bool ellipsized = false; |
86aa7ba4 | 199 | |
08ace05b | 200 | assert(f); |
86aa7ba4 LP |
201 | assert(j); |
202 | ||
a6f0104a ZJS |
203 | /* Set the threshold to one bigger than the actual print |
204 | * treshold, so that if the line is actually longer than what | |
205 | * we're willing to print, ellipsization will occur. This way | |
206 | * we won't output a misleading line without any indication of | |
207 | * truncation. | |
208 | */ | |
209 | sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1); | |
93b73b06 | 210 | |
a72b6353 | 211 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
55d7bfc1 | 212 | |
49826187 LP |
213 | r = parse_field(data, length, "PRIORITY=", &priority, &priority_len); |
214 | if (r < 0) | |
08ace05b | 215 | return r; |
49826187 LP |
216 | else if (r > 0) |
217 | continue; | |
218 | ||
55d7bfc1 LP |
219 | r = parse_field(data, length, "_HOSTNAME=", &hostname, &hostname_len); |
220 | if (r < 0) | |
08ace05b | 221 | return r; |
55d7bfc1 LP |
222 | else if (r > 0) |
223 | continue; | |
224 | ||
4cd9a9d9 | 225 | r = parse_field(data, length, "SYSLOG_IDENTIFIER=", &identifier, &identifier_len); |
55d7bfc1 | 226 | if (r < 0) |
08ace05b | 227 | return r; |
55d7bfc1 LP |
228 | else if (r > 0) |
229 | continue; | |
230 | ||
231 | r = parse_field(data, length, "_COMM=", &comm, &comm_len); | |
232 | if (r < 0) | |
08ace05b | 233 | return r; |
55d7bfc1 LP |
234 | else if (r > 0) |
235 | continue; | |
236 | ||
237 | r = parse_field(data, length, "_PID=", &pid, &pid_len); | |
238 | if (r < 0) | |
08ace05b | 239 | return r; |
55d7bfc1 LP |
240 | else if (r > 0) |
241 | continue; | |
242 | ||
6c1e6b98 LP |
243 | r = parse_field(data, length, "SYSLOG_PID=", &fake_pid, &fake_pid_len); |
244 | if (r < 0) | |
08ace05b | 245 | return r; |
6c1e6b98 LP |
246 | else if (r > 0) |
247 | continue; | |
248 | ||
bf967366 LP |
249 | r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len); |
250 | if (r < 0) | |
08ace05b | 251 | return r; |
bf967366 LP |
252 | else if (r > 0) |
253 | continue; | |
254 | ||
255 | r = parse_field(data, length, "_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len); | |
256 | if (r < 0) | |
08ace05b | 257 | return r; |
bf967366 LP |
258 | else if (r > 0) |
259 | continue; | |
260 | ||
55d7bfc1 LP |
261 | r = parse_field(data, length, "MESSAGE=", &message, &message_len); |
262 | if (r < 0) | |
08ace05b | 263 | return r; |
55d7bfc1 LP |
264 | } |
265 | ||
a72b6353 ZJS |
266 | if (r < 0) |
267 | return r; | |
268 | ||
08ace05b LP |
269 | if (!message) |
270 | return 0; | |
55d7bfc1 | 271 | |
e8bc0ea2 LP |
272 | if (!(flags & OUTPUT_SHOW_ALL)) |
273 | strip_tab_ansi(&message, &message_len); | |
274 | ||
49826187 LP |
275 | if (priority_len == 1 && *priority >= '0' && *priority <= '7') |
276 | p = *priority - '0'; | |
277 | ||
a6e87e90 | 278 | if (mode == OUTPUT_SHORT_MONOTONIC) { |
67a12205 | 279 | uint64_t t; |
3ebcdf8c LP |
280 | sd_id128_t boot_id; |
281 | ||
bf967366 LP |
282 | r = -ENOENT; |
283 | ||
284 | if (monotonic) | |
285 | r = safe_atou64(monotonic, &t); | |
286 | ||
287 | if (r < 0) | |
3ebcdf8c | 288 | r = sd_journal_get_monotonic_usec(j, &t, &boot_id); |
86aa7ba4 | 289 | |
3ebcdf8c | 290 | if (r < 0) { |
a72b6353 | 291 | log_error("Failed to get monotonic timestamp: %s", strerror(-r)); |
08ace05b | 292 | return r; |
67a12205 LP |
293 | } |
294 | ||
08ace05b LP |
295 | fprintf(f, "[%5llu.%06llu]", |
296 | (unsigned long long) (t / USEC_PER_SEC), | |
297 | (unsigned long long) (t % USEC_PER_SEC)); | |
3ebcdf8c LP |
298 | |
299 | n += 1 + 5 + 1 + 6 + 1; | |
300 | ||
67a12205 LP |
301 | } else { |
302 | char buf[64]; | |
bf967366 | 303 | uint64_t x; |
67a12205 LP |
304 | time_t t; |
305 | struct tm tm; | |
731a676c | 306 | |
bf967366 LP |
307 | r = -ENOENT; |
308 | ||
309 | if (realtime) | |
310 | r = safe_atou64(realtime, &x); | |
311 | ||
312 | if (r < 0) | |
313 | r = sd_journal_get_realtime_usec(j, &x); | |
67a12205 | 314 | |
67a12205 | 315 | if (r < 0) { |
a72b6353 | 316 | log_error("Failed to get realtime timestamp: %s", strerror(-r)); |
08ace05b | 317 | return r; |
67a12205 LP |
318 | } |
319 | ||
bf967366 | 320 | t = (time_t) (x / USEC_PER_SEC); |
44bc6e1f TT |
321 | if (mode == OUTPUT_SHORT_ISO) |
322 | r = strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", localtime_r(&t, &tm)); | |
323 | else | |
324 | r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", localtime_r(&t, &tm)); | |
325 | ||
326 | if (r <= 0) { | |
67a12205 | 327 | log_error("Failed to format time."); |
44bc6e1f | 328 | return -EINVAL; |
67a12205 LP |
329 | } |
330 | ||
08ace05b | 331 | fputs(buf, f); |
67a12205 LP |
332 | n += strlen(buf); |
333 | } | |
86aa7ba4 | 334 | |
08ace05b LP |
335 | if (hostname && shall_print(hostname, hostname_len, flags)) { |
336 | fprintf(f, " %.*s", (int) hostname_len, hostname); | |
55d7bfc1 LP |
337 | n += hostname_len + 1; |
338 | } | |
339 | ||
08ace05b LP |
340 | if (identifier && shall_print(identifier, identifier_len, flags)) { |
341 | fprintf(f, " %.*s", (int) identifier_len, identifier); | |
4cd9a9d9 | 342 | n += identifier_len + 1; |
08ace05b LP |
343 | } else if (comm && shall_print(comm, comm_len, flags)) { |
344 | fprintf(f, " %.*s", (int) comm_len, comm); | |
55d7bfc1 | 345 | n += comm_len + 1; |
b5936820 | 346 | } else |
08ace05b | 347 | fputc(' ', f); |
86aa7ba4 | 348 | |
08ace05b LP |
349 | if (pid && shall_print(pid, pid_len, flags)) { |
350 | fprintf(f, "[%.*s]", (int) pid_len, pid); | |
55d7bfc1 | 351 | n += pid_len + 2; |
08ace05b LP |
352 | } else if (fake_pid && shall_print(fake_pid, fake_pid_len, flags)) { |
353 | fprintf(f, "[%.*s]", (int) fake_pid_len, fake_pid); | |
6c1e6b98 | 354 | n += fake_pid_len + 2; |
86aa7ba4 LP |
355 | } |
356 | ||
31f7bf19 | 357 | if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) { |
e6acda19 | 358 | char bytes[FORMAT_BYTES_MAX]; |
08ace05b | 359 | fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len)); |
31f7bf19 ZJS |
360 | } else { |
361 | fputs(": ", f); | |
94e0bd7d ZJS |
362 | ellipsized |= |
363 | print_multiline(f, n + 2, n_columns, flags, p, message, message_len); | |
31f7bf19 | 364 | } |
55d7bfc1 | 365 | |
d4205751 LP |
366 | if (flags & OUTPUT_CATALOG) |
367 | print_catalog(f, j); | |
368 | ||
94e0bd7d | 369 | return ellipsized; |
86aa7ba4 LP |
370 | } |
371 | ||
08ace05b LP |
372 | static int output_verbose( |
373 | FILE *f, | |
374 | sd_journal *j, | |
375 | OutputMode mode, | |
376 | unsigned n_columns, | |
377 | OutputFlags flags) { | |
378 | ||
86aa7ba4 LP |
379 | const void *data; |
380 | size_t length; | |
7fd1b19b | 381 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
382 | uint64_t realtime; |
383 | char ts[FORMAT_TIMESTAMP_MAX]; | |
384 | int r; | |
385 | ||
08ace05b | 386 | assert(f); |
86aa7ba4 LP |
387 | assert(j); |
388 | ||
93b73b06 LP |
389 | sd_journal_set_data_threshold(j, 0); |
390 | ||
86aa7ba4 LP |
391 | r = sd_journal_get_realtime_usec(j, &realtime); |
392 | if (r < 0) { | |
a72b6353 ZJS |
393 | log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR, |
394 | "Failed to get realtime timestamp: %s", strerror(-r)); | |
86aa7ba4 LP |
395 | return r; |
396 | } | |
397 | ||
398 | r = sd_journal_get_cursor(j, &cursor); | |
399 | if (r < 0) { | |
400 | log_error("Failed to get cursor: %s", strerror(-r)); | |
401 | return r; | |
402 | } | |
403 | ||
08ace05b LP |
404 | fprintf(f, "%s [%s]\n", |
405 | format_timestamp(ts, sizeof(ts), realtime), | |
406 | cursor); | |
86aa7ba4 | 407 | |
a72b6353 | 408 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
31f7bf19 ZJS |
409 | const char *c; |
410 | int fieldlen; | |
7ac4fa7e ZJS |
411 | const char *on = "", *off = ""; |
412 | ||
31f7bf19 ZJS |
413 | c = memchr(data, '=', length); |
414 | if (!c) { | |
415 | log_error("Invalid field."); | |
416 | return -EINVAL; | |
417 | } | |
418 | fieldlen = c - (const char*) data; | |
86aa7ba4 | 419 | |
7ac4fa7e ZJS |
420 | if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) { |
421 | on = ANSI_HIGHLIGHT_ON; | |
422 | off = ANSI_HIGHLIGHT_OFF; | |
423 | } | |
424 | ||
425 | if (flags & OUTPUT_SHOW_ALL || | |
a6f0104a ZJS |
426 | (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH) |
427 | && utf8_is_printable(data, length))) { | |
7ac4fa7e | 428 | fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data); |
31f7bf19 | 429 | print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1); |
7ac4fa7e | 430 | fputs(off, f); |
31f7bf19 ZJS |
431 | } else { |
432 | char bytes[FORMAT_BYTES_MAX]; | |
86aa7ba4 | 433 | |
7ac4fa7e ZJS |
434 | fprintf(f, " %s%.*s=[%s blob data]%s\n", |
435 | on, | |
31f7bf19 ZJS |
436 | (int) (c - (const char*) data), |
437 | (const char*) data, | |
7ac4fa7e ZJS |
438 | format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1), |
439 | off); | |
31f7bf19 | 440 | } |
86aa7ba4 LP |
441 | } |
442 | ||
a72b6353 ZJS |
443 | if (r < 0) |
444 | return r; | |
445 | ||
d4205751 LP |
446 | if (flags & OUTPUT_CATALOG) |
447 | print_catalog(f, j); | |
448 | ||
86aa7ba4 LP |
449 | return 0; |
450 | } | |
451 | ||
08ace05b LP |
452 | static int output_export( |
453 | FILE *f, | |
454 | sd_journal *j, | |
455 | OutputMode mode, | |
456 | unsigned n_columns, | |
457 | OutputFlags flags) { | |
458 | ||
86aa7ba4 LP |
459 | sd_id128_t boot_id; |
460 | char sid[33]; | |
461 | int r; | |
462 | usec_t realtime, monotonic; | |
7fd1b19b | 463 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
464 | const void *data; |
465 | size_t length; | |
466 | ||
467 | assert(j); | |
468 | ||
93b73b06 LP |
469 | sd_journal_set_data_threshold(j, 0); |
470 | ||
86aa7ba4 LP |
471 | r = sd_journal_get_realtime_usec(j, &realtime); |
472 | if (r < 0) { | |
473 | log_error("Failed to get realtime timestamp: %s", strerror(-r)); | |
474 | return r; | |
475 | } | |
476 | ||
477 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
478 | if (r < 0) { | |
479 | log_error("Failed to get monotonic timestamp: %s", strerror(-r)); | |
480 | return r; | |
481 | } | |
482 | ||
483 | r = sd_journal_get_cursor(j, &cursor); | |
484 | if (r < 0) { | |
485 | log_error("Failed to get cursor: %s", strerror(-r)); | |
486 | return r; | |
487 | } | |
488 | ||
08ace05b LP |
489 | fprintf(f, |
490 | "__CURSOR=%s\n" | |
491 | "__REALTIME_TIMESTAMP=%llu\n" | |
492 | "__MONOTONIC_TIMESTAMP=%llu\n" | |
493 | "_BOOT_ID=%s\n", | |
494 | cursor, | |
495 | (unsigned long long) realtime, | |
496 | (unsigned long long) monotonic, | |
497 | sd_id128_to_string(boot_id, sid)); | |
86aa7ba4 | 498 | |
a72b6353 | 499 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
86aa7ba4 | 500 | |
112301ae LP |
501 | /* We already printed the boot id, from the data in |
502 | * the header, hence let's suppress it here */ | |
503 | if (length >= 9 && | |
fd59d9f2 | 504 | hasprefix(data, "_BOOT_ID=")) |
112301ae LP |
505 | continue; |
506 | ||
31f7bf19 | 507 | if (!utf8_is_printable(data, length)) { |
86aa7ba4 LP |
508 | const char *c; |
509 | uint64_t le64; | |
510 | ||
511 | c = memchr(data, '=', length); | |
512 | if (!c) { | |
513 | log_error("Invalid field."); | |
514 | return -EINVAL; | |
515 | } | |
516 | ||
08ace05b LP |
517 | fwrite(data, c - (const char*) data, 1, f); |
518 | fputc('\n', f); | |
86aa7ba4 | 519 | le64 = htole64(length - (c - (const char*) data) - 1); |
08ace05b LP |
520 | fwrite(&le64, sizeof(le64), 1, f); |
521 | fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f); | |
86aa7ba4 | 522 | } else |
08ace05b | 523 | fwrite(data, length, 1, f); |
86aa7ba4 | 524 | |
08ace05b | 525 | fputc('\n', f); |
86aa7ba4 LP |
526 | } |
527 | ||
a72b6353 ZJS |
528 | if (r < 0) |
529 | return r; | |
530 | ||
08ace05b | 531 | fputc('\n', f); |
86aa7ba4 LP |
532 | |
533 | return 0; | |
534 | } | |
535 | ||
240a5fe8 | 536 | void json_escape( |
08ace05b LP |
537 | FILE *f, |
538 | const char* p, | |
539 | size_t l, | |
540 | OutputFlags flags) { | |
541 | ||
542 | assert(f); | |
543 | assert(p); | |
544 | ||
93b73b06 | 545 | if (!(flags & OUTPUT_SHOW_ALL) && l >= JSON_THRESHOLD) |
08ace05b LP |
546 | |
547 | fputs("null", f); | |
548 | ||
31f7bf19 | 549 | else if (!utf8_is_printable(p, l)) { |
86aa7ba4 LP |
550 | bool not_first = false; |
551 | ||
08ace05b | 552 | fputs("[ ", f); |
86aa7ba4 LP |
553 | |
554 | while (l > 0) { | |
555 | if (not_first) | |
08ace05b | 556 | fprintf(f, ", %u", (uint8_t) *p); |
86aa7ba4 LP |
557 | else { |
558 | not_first = true; | |
08ace05b | 559 | fprintf(f, "%u", (uint8_t) *p); |
86aa7ba4 LP |
560 | } |
561 | ||
562 | p++; | |
563 | l--; | |
564 | } | |
565 | ||
08ace05b | 566 | fputs(" ]", f); |
86aa7ba4 | 567 | } else { |
08ace05b | 568 | fputc('\"', f); |
86aa7ba4 LP |
569 | |
570 | while (l > 0) { | |
571 | if (*p == '"' || *p == '\\') { | |
08ace05b LP |
572 | fputc('\\', f); |
573 | fputc(*p, f); | |
31f7bf19 ZJS |
574 | } else if (*p == '\n') |
575 | fputs("\\n", f); | |
576 | else if (*p < ' ') | |
08ace05b LP |
577 | fprintf(f, "\\u%04x", *p); |
578 | else | |
579 | fputc(*p, f); | |
86aa7ba4 LP |
580 | |
581 | p++; | |
582 | l--; | |
583 | } | |
584 | ||
08ace05b | 585 | fputc('\"', f); |
86aa7ba4 LP |
586 | } |
587 | } | |
588 | ||
08ace05b LP |
589 | static int output_json( |
590 | FILE *f, | |
591 | sd_journal *j, | |
592 | OutputMode mode, | |
593 | unsigned n_columns, | |
594 | OutputFlags flags) { | |
595 | ||
86aa7ba4 | 596 | uint64_t realtime, monotonic; |
7fd1b19b | 597 | _cleanup_free_ char *cursor = NULL; |
86aa7ba4 LP |
598 | const void *data; |
599 | size_t length; | |
600 | sd_id128_t boot_id; | |
2e729834 | 601 | char sid[33], *k; |
86aa7ba4 | 602 | int r; |
d99ae53a LP |
603 | Hashmap *h = NULL; |
604 | bool done, separator; | |
86aa7ba4 LP |
605 | |
606 | assert(j); | |
607 | ||
93b73b06 LP |
608 | sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD); |
609 | ||
86aa7ba4 LP |
610 | r = sd_journal_get_realtime_usec(j, &realtime); |
611 | if (r < 0) { | |
612 | log_error("Failed to get realtime timestamp: %s", strerror(-r)); | |
613 | return r; | |
614 | } | |
615 | ||
616 | r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id); | |
617 | if (r < 0) { | |
618 | log_error("Failed to get monotonic timestamp: %s", strerror(-r)); | |
619 | return r; | |
620 | } | |
621 | ||
622 | r = sd_journal_get_cursor(j, &cursor); | |
623 | if (r < 0) { | |
624 | log_error("Failed to get cursor: %s", strerror(-r)); | |
625 | return r; | |
626 | } | |
627 | ||
a6e87e90 | 628 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b LP |
629 | fprintf(f, |
630 | "{\n" | |
631 | "\t\"__CURSOR\" : \"%s\",\n" | |
632 | "\t\"__REALTIME_TIMESTAMP\" : \"%llu\",\n" | |
633 | "\t\"__MONOTONIC_TIMESTAMP\" : \"%llu\",\n" | |
634 | "\t\"_BOOT_ID\" : \"%s\"", | |
635 | cursor, | |
636 | (unsigned long long) realtime, | |
637 | (unsigned long long) monotonic, | |
638 | sd_id128_to_string(boot_id, sid)); | |
48383c25 LP |
639 | else { |
640 | if (mode == OUTPUT_JSON_SSE) | |
641 | fputs("data: ", f); | |
642 | ||
08ace05b LP |
643 | fprintf(f, |
644 | "{ \"__CURSOR\" : \"%s\", " | |
645 | "\"__REALTIME_TIMESTAMP\" : \"%llu\", " | |
646 | "\"__MONOTONIC_TIMESTAMP\" : \"%llu\", " | |
647 | "\"_BOOT_ID\" : \"%s\"", | |
648 | cursor, | |
649 | (unsigned long long) realtime, | |
650 | (unsigned long long) monotonic, | |
651 | sd_id128_to_string(boot_id, sid)); | |
48383c25 | 652 | } |
86aa7ba4 | 653 | |
d99ae53a LP |
654 | h = hashmap_new(string_hash_func, string_compare_func); |
655 | if (!h) | |
656 | return -ENOMEM; | |
657 | ||
658 | /* First round, iterate through the entry and count how often each field appears */ | |
a72b6353 | 659 | JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) { |
d99ae53a LP |
660 | const char *eq; |
661 | char *n; | |
662 | unsigned u; | |
86aa7ba4 | 663 | |
112301ae LP |
664 | if (length >= 9 && |
665 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
666 | continue; | |
667 | ||
d99ae53a LP |
668 | eq = memchr(data, '=', length); |
669 | if (!eq) | |
670 | continue; | |
86aa7ba4 | 671 | |
d99ae53a LP |
672 | n = strndup(data, eq - (const char*) data); |
673 | if (!n) { | |
674 | r = -ENOMEM; | |
675 | goto finish; | |
676 | } | |
a6e87e90 | 677 | |
d99ae53a LP |
678 | u = PTR_TO_UINT(hashmap_get(h, n)); |
679 | if (u == 0) { | |
680 | r = hashmap_put(h, n, UINT_TO_PTR(1)); | |
681 | if (r < 0) { | |
682 | free(n); | |
683 | goto finish; | |
684 | } | |
685 | } else { | |
686 | r = hashmap_update(h, n, UINT_TO_PTR(u + 1)); | |
687 | free(n); | |
688 | if (r < 0) | |
689 | goto finish; | |
690 | } | |
86aa7ba4 LP |
691 | } |
692 | ||
a72b6353 ZJS |
693 | if (r < 0) |
694 | return r; | |
695 | ||
d99ae53a LP |
696 | separator = true; |
697 | do { | |
698 | done = true; | |
699 | ||
700 | SD_JOURNAL_FOREACH_DATA(j, data, length) { | |
701 | const char *eq; | |
702 | char *kk, *n; | |
703 | size_t m; | |
704 | unsigned u; | |
705 | ||
706 | /* We already printed the boot id, from the data in | |
707 | * the header, hence let's suppress it here */ | |
708 | if (length >= 9 && | |
709 | memcmp(data, "_BOOT_ID=", 9) == 0) | |
710 | continue; | |
711 | ||
712 | eq = memchr(data, '=', length); | |
713 | if (!eq) | |
714 | continue; | |
715 | ||
716 | if (separator) { | |
717 | if (mode == OUTPUT_JSON_PRETTY) | |
718 | fputs(",\n\t", f); | |
719 | else | |
720 | fputs(", ", f); | |
721 | } | |
722 | ||
723 | m = eq - (const char*) data; | |
724 | ||
725 | n = strndup(data, m); | |
726 | if (!n) { | |
727 | r = -ENOMEM; | |
728 | goto finish; | |
729 | } | |
730 | ||
731 | u = PTR_TO_UINT(hashmap_get2(h, n, (void**) &kk)); | |
732 | if (u == 0) { | |
733 | /* We already printed this, let's jump to the next */ | |
734 | free(n); | |
735 | separator = false; | |
736 | ||
737 | continue; | |
738 | } else if (u == 1) { | |
739 | /* Field only appears once, output it directly */ | |
740 | ||
741 | json_escape(f, data, m, flags); | |
742 | fputs(" : ", f); | |
743 | ||
744 | json_escape(f, eq + 1, length - m - 1, flags); | |
745 | ||
746 | hashmap_remove(h, n); | |
747 | free(kk); | |
748 | free(n); | |
749 | ||
750 | separator = true; | |
751 | ||
752 | continue; | |
753 | ||
754 | } else { | |
755 | /* Field appears multiple times, output it as array */ | |
756 | json_escape(f, data, m, flags); | |
757 | fputs(" : [ ", f); | |
758 | json_escape(f, eq + 1, length - m - 1, flags); | |
759 | ||
760 | /* Iterate through the end of the list */ | |
761 | ||
762 | while (sd_journal_enumerate_data(j, &data, &length) > 0) { | |
763 | if (length < m + 1) | |
764 | continue; | |
765 | ||
766 | if (memcmp(data, n, m) != 0) | |
767 | continue; | |
768 | ||
769 | if (((const char*) data)[m] != '=') | |
770 | continue; | |
771 | ||
772 | fputs(", ", f); | |
773 | json_escape(f, (const char*) data + m + 1, length - m - 1, flags); | |
774 | } | |
775 | ||
776 | fputs(" ]", f); | |
777 | ||
778 | hashmap_remove(h, n); | |
779 | free(kk); | |
780 | free(n); | |
781 | ||
782 | /* Iterate data fields form the beginning */ | |
783 | done = false; | |
784 | separator = true; | |
785 | ||
786 | break; | |
787 | } | |
788 | } | |
789 | ||
790 | } while (!done); | |
791 | ||
a6e87e90 | 792 | if (mode == OUTPUT_JSON_PRETTY) |
08ace05b | 793 | fputs("\n}\n", f); |
48383c25 LP |
794 | else if (mode == OUTPUT_JSON_SSE) |
795 | fputs("}\n\n", f); | |
a6e87e90 | 796 | else |
08ace05b | 797 | fputs(" }\n", f); |
86aa7ba4 | 798 | |
d99ae53a LP |
799 | r = 0; |
800 | ||
801 | finish: | |
802 | while ((k = hashmap_steal_first_key(h))) | |
803 | free(k); | |
804 | ||
805 | hashmap_free(h); | |
806 | ||
807 | return r; | |
86aa7ba4 LP |
808 | } |
809 | ||
08ace05b LP |
810 | static int output_cat( |
811 | FILE *f, | |
812 | sd_journal *j, | |
813 | OutputMode mode, | |
814 | unsigned n_columns, | |
815 | OutputFlags flags) { | |
816 | ||
d3f2bdbf LP |
817 | const void *data; |
818 | size_t l; | |
819 | int r; | |
820 | ||
821 | assert(j); | |
08ace05b | 822 | assert(f); |
d3f2bdbf | 823 | |
93b73b06 LP |
824 | sd_journal_set_data_threshold(j, 0); |
825 | ||
d3f2bdbf LP |
826 | r = sd_journal_get_data(j, "MESSAGE", &data, &l); |
827 | if (r < 0) { | |
c198300f LP |
828 | /* An entry without MESSAGE=? */ |
829 | if (r == -ENOENT) | |
830 | return 0; | |
831 | ||
d3f2bdbf LP |
832 | log_error("Failed to get data: %s", strerror(-r)); |
833 | return r; | |
834 | } | |
835 | ||
836 | assert(l >= 8); | |
837 | ||
08ace05b LP |
838 | fwrite((const char*) data + 8, 1, l - 8, f); |
839 | fputc('\n', f); | |
d3f2bdbf LP |
840 | |
841 | return 0; | |
842 | } | |
843 | ||
08ace05b LP |
844 | static int (*output_funcs[_OUTPUT_MODE_MAX])( |
845 | FILE *f, | |
846 | sd_journal*j, | |
847 | OutputMode mode, | |
848 | unsigned n_columns, | |
849 | OutputFlags flags) = { | |
850 | ||
a6e87e90 LP |
851 | [OUTPUT_SHORT] = output_short, |
852 | [OUTPUT_SHORT_MONOTONIC] = output_short, | |
44bc6e1f | 853 | [OUTPUT_SHORT_ISO] = output_short, |
86aa7ba4 LP |
854 | [OUTPUT_VERBOSE] = output_verbose, |
855 | [OUTPUT_EXPORT] = output_export, | |
d3f2bdbf | 856 | [OUTPUT_JSON] = output_json, |
a6e87e90 | 857 | [OUTPUT_JSON_PRETTY] = output_json, |
48383c25 | 858 | [OUTPUT_JSON_SSE] = output_json, |
d3f2bdbf | 859 | [OUTPUT_CAT] = output_cat |
86aa7ba4 LP |
860 | }; |
861 | ||
08ace05b LP |
862 | int output_journal( |
863 | FILE *f, | |
864 | sd_journal *j, | |
865 | OutputMode mode, | |
866 | unsigned n_columns, | |
94e0bd7d ZJS |
867 | OutputFlags flags, |
868 | bool *ellipsized) { | |
08ace05b | 869 | |
e268b81e | 870 | int ret; |
df50185b | 871 | assert(mode >= 0); |
86aa7ba4 LP |
872 | assert(mode < _OUTPUT_MODE_MAX); |
873 | ||
34a35ece LP |
874 | if (n_columns <= 0) |
875 | n_columns = columns(); | |
876 | ||
08ace05b | 877 | ret = output_funcs[mode](f, j, mode, n_columns, flags); |
e268b81e | 878 | fflush(stdout); |
94e0bd7d ZJS |
879 | |
880 | if (ellipsized && ret > 0) | |
881 | *ellipsized = true; | |
882 | ||
e268b81e | 883 | return ret; |
86aa7ba4 LP |
884 | } |
885 | ||
1a6c43e9 MT |
886 | static int show_journal(FILE *f, |
887 | sd_journal *j, | |
888 | OutputMode mode, | |
889 | unsigned n_columns, | |
890 | usec_t not_before, | |
891 | unsigned how_many, | |
94e0bd7d ZJS |
892 | OutputFlags flags, |
893 | bool *ellipsized) { | |
86aa7ba4 | 894 | |
86aa7ba4 | 895 | int r; |
df50185b LP |
896 | unsigned line = 0; |
897 | bool need_seek = false; | |
085d7120 | 898 | int warn_cutoff = flags & OUTPUT_WARN_CUTOFF; |
86aa7ba4 | 899 | |
1a6c43e9 | 900 | assert(j); |
df50185b LP |
901 | assert(mode >= 0); |
902 | assert(mode < _OUTPUT_MODE_MAX); | |
1946b0bd LP |
903 | |
904 | /* Seek to end */ | |
86aa7ba4 LP |
905 | r = sd_journal_seek_tail(j); |
906 | if (r < 0) | |
907 | goto finish; | |
908 | ||
df50185b LP |
909 | r = sd_journal_previous_skip(j, how_many); |
910 | if (r < 0) | |
911 | goto finish; | |
86aa7ba4 | 912 | |
df50185b LP |
913 | for (;;) { |
914 | for (;;) { | |
915 | usec_t usec; | |
916 | ||
917 | if (need_seek) { | |
918 | r = sd_journal_next(j); | |
919 | if (r < 0) | |
920 | goto finish; | |
921 | } | |
922 | ||
923 | if (r == 0) | |
924 | break; | |
86aa7ba4 | 925 | |
df50185b LP |
926 | need_seek = true; |
927 | ||
928 | if (not_before > 0) { | |
929 | r = sd_journal_get_monotonic_usec(j, &usec, NULL); | |
930 | ||
931 | /* -ESTALE is returned if the | |
932 | timestamp is not from this boot */ | |
933 | if (r == -ESTALE) | |
934 | continue; | |
935 | else if (r < 0) | |
936 | goto finish; | |
937 | ||
938 | if (usec < not_before) | |
939 | continue; | |
940 | } | |
941 | ||
942 | line ++; | |
943 | ||
94e0bd7d | 944 | r = output_journal(f, j, mode, n_columns, flags, ellipsized); |
df50185b LP |
945 | if (r < 0) |
946 | goto finish; | |
947 | } | |
948 | ||
08984293 LP |
949 | if (warn_cutoff && line < how_many && not_before > 0) { |
950 | sd_id128_t boot_id; | |
951 | usec_t cutoff; | |
952 | ||
953 | /* Check whether the cutoff line is too early */ | |
954 | ||
955 | r = sd_id128_get_boot(&boot_id); | |
956 | if (r < 0) | |
957 | goto finish; | |
958 | ||
959 | r = sd_journal_get_cutoff_monotonic_usec(j, boot_id, &cutoff, NULL); | |
960 | if (r < 0) | |
961 | goto finish; | |
962 | ||
b59866ae | 963 | if (r > 0 && not_before < cutoff) |
08ace05b | 964 | fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n"); |
08984293 LP |
965 | |
966 | warn_cutoff = false; | |
967 | } | |
968 | ||
085d7120 | 969 | if (!(flags & OUTPUT_FOLLOW)) |
86aa7ba4 LP |
970 | break; |
971 | ||
e02d1cf7 | 972 | r = sd_journal_wait(j, (usec_t) -1); |
df50185b LP |
973 | if (r < 0) |
974 | goto finish; | |
975 | ||
86aa7ba4 LP |
976 | } |
977 | ||
1a6c43e9 MT |
978 | finish: |
979 | return r; | |
980 | } | |
981 | ||
886a64fe | 982 | int add_matches_for_unit(sd_journal *j, const char *unit) { |
1a6c43e9 | 983 | int r; |
2d0b2e87 | 984 | char *m1, *m2, *m3, *m4; |
1a6c43e9 | 985 | |
886a64fe | 986 | assert(j); |
1a6c43e9 MT |
987 | assert(unit); |
988 | ||
2d0b2e87 ZJS |
989 | m1 = strappenda("_SYSTEMD_UNIT=", unit); |
990 | m2 = strappenda("COREDUMP_UNIT=", unit); | |
991 | m3 = strappenda("UNIT=", unit); | |
992 | m4 = strappenda("OBJECT_SYSTEMD_UNIT=", unit); | |
1a6c43e9 | 993 | |
886a64fe ZJS |
994 | (void)( |
995 | /* Look for messages from the service itself */ | |
996 | (r = sd_journal_add_match(j, m1, 0)) || | |
997 | ||
998 | /* Look for coredumps of the service */ | |
999 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df ZJS |
1000 | (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) || |
1001 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
886a64fe ZJS |
1002 | (r = sd_journal_add_match(j, m2, 0)) || |
1003 | ||
1004 | /* Look for messages from PID 1 about this service */ | |
1005 | (r = sd_journal_add_disjunction(j)) || | |
1006 | (r = sd_journal_add_match(j, "_PID=1", 0)) || | |
2d0b2e87 ZJS |
1007 | (r = sd_journal_add_match(j, m3, 0)) || |
1008 | ||
1009 | /* Look for messages from authorized daemons about this service */ | |
1010 | (r = sd_journal_add_disjunction(j)) || | |
1011 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1012 | (r = sd_journal_add_match(j, m4, 0)) | |
886a64fe | 1013 | ); |
2d0b2e87 | 1014 | |
886a64fe ZJS |
1015 | return r; |
1016 | } | |
1a6c43e9 | 1017 | |
886a64fe ZJS |
1018 | int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) { |
1019 | int r; | |
2d0b2e87 ZJS |
1020 | char *m1, *m2, *m3, *m4; |
1021 | char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)]; | |
1a6c43e9 | 1022 | |
886a64fe ZJS |
1023 | assert(j); |
1024 | assert(unit); | |
1a6c43e9 | 1025 | |
2d0b2e87 ZJS |
1026 | m1 = strappenda("_SYSTEMD_USER_UNIT=", unit); |
1027 | m2 = strappenda("USER_UNIT=", unit); | |
1028 | m3 = strappenda("COREDUMP_USER_UNIT=", unit); | |
1029 | m4 = strappenda("OBJECT_SYSTEMD_USER_UNIT=", unit); | |
1030 | sprintf(muid, "_UID=%lu", (unsigned long) uid); | |
1a6c43e9 | 1031 | |
886a64fe ZJS |
1032 | (void) ( |
1033 | /* Look for messages from the user service itself */ | |
1034 | (r = sd_journal_add_match(j, m1, 0)) || | |
2d0b2e87 | 1035 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1036 | |
1037 | /* Look for messages from systemd about this service */ | |
1038 | (r = sd_journal_add_disjunction(j)) || | |
1039 | (r = sd_journal_add_match(j, m2, 0)) || | |
2d0b2e87 | 1040 | (r = sd_journal_add_match(j, muid, 0)) || |
886a64fe ZJS |
1041 | |
1042 | /* Look for coredumps of the service */ | |
1043 | (r = sd_journal_add_disjunction(j)) || | |
1044 | (r = sd_journal_add_match(j, m3, 0)) || | |
2d0b2e87 ZJS |
1045 | (r = sd_journal_add_match(j, muid, 0)) || |
1046 | (r = sd_journal_add_match(j, "_UID=0", 0)) || | |
1047 | ||
1048 | /* Look for messages from authorized daemons about this service */ | |
1049 | (r = sd_journal_add_disjunction(j)) || | |
fdcd37df | 1050 | (r = sd_journal_add_match(j, m4, 0)) || |
2d0b2e87 | 1051 | (r = sd_journal_add_match(j, muid, 0)) || |
fdcd37df | 1052 | (r = sd_journal_add_match(j, "_UID=0", 0)) |
886a64fe | 1053 | ); |
1a6c43e9 MT |
1054 | return r; |
1055 | } | |
1056 | ||
5ec76417 ZJS |
1057 | int add_match_this_boot(sd_journal *j) { |
1058 | char match[9+32+1] = "_BOOT_ID="; | |
1059 | sd_id128_t boot_id; | |
1060 | int r; | |
1061 | ||
1062 | assert(j); | |
1063 | ||
1064 | r = sd_id128_get_boot(&boot_id); | |
1065 | if (r < 0) { | |
1066 | log_error("Failed to get boot id: %s", strerror(-r)); | |
1067 | return r; | |
1068 | } | |
1069 | ||
1070 | sd_id128_to_string(boot_id, match + 9); | |
1071 | r = sd_journal_add_match(j, match, strlen(match)); | |
1072 | if (r < 0) { | |
1073 | log_error("Failed to add match: %s", strerror(-r)); | |
1074 | return r; | |
1075 | } | |
1076 | ||
1077 | r = sd_journal_add_conjunction(j); | |
1078 | if (r < 0) | |
1079 | return r; | |
1080 | ||
1081 | return 0; | |
1082 | } | |
1083 | ||
886a64fe | 1084 | int show_journal_by_unit( |
1a6c43e9 MT |
1085 | FILE *f, |
1086 | const char *unit, | |
1087 | OutputMode mode, | |
1088 | unsigned n_columns, | |
1089 | usec_t not_before, | |
1090 | unsigned how_many, | |
1091 | uid_t uid, | |
886a64fe | 1092 | OutputFlags flags, |
94e0bd7d ZJS |
1093 | bool system, |
1094 | bool *ellipsized) { | |
1a6c43e9 | 1095 | |
7fd1b19b | 1096 | _cleanup_journal_close_ sd_journal*j = NULL; |
1a6c43e9 | 1097 | int r; |
a688baa8 | 1098 | int jflags = SD_JOURNAL_LOCAL_ONLY | system * SD_JOURNAL_SYSTEM; |
1a6c43e9 MT |
1099 | |
1100 | assert(mode >= 0); | |
1101 | assert(mode < _OUTPUT_MODE_MAX); | |
1102 | assert(unit); | |
1103 | ||
1a6c43e9 MT |
1104 | if (how_many <= 0) |
1105 | return 0; | |
1106 | ||
886a64fe | 1107 | r = sd_journal_open(&j, jflags); |
f9045468 | 1108 | if (r < 0) |
763c7aa2 | 1109 | return r; |
f9045468 | 1110 | |
5ec76417 ZJS |
1111 | r = add_match_this_boot(j); |
1112 | if (r < 0) | |
1113 | return r; | |
1114 | ||
886a64fe ZJS |
1115 | if (system) |
1116 | r = add_matches_for_unit(j, unit); | |
1117 | else | |
1118 | r = add_matches_for_user_unit(j, unit, uid); | |
1a6c43e9 | 1119 | if (r < 0) |
763c7aa2 | 1120 | return r; |
1a6c43e9 | 1121 | |
4ad16808 ZJS |
1122 | if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) { |
1123 | _cleanup_free_ char *filter; | |
1124 | ||
1125 | filter = journal_make_match_string(j); | |
1126 | log_debug("Journal filter: %s", filter); | |
1127 | } | |
5ec76417 | 1128 | |
94e0bd7d | 1129 | return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized); |
86aa7ba4 | 1130 | } |
df50185b LP |
1131 | |
1132 | static const char *const output_mode_table[_OUTPUT_MODE_MAX] = { | |
1133 | [OUTPUT_SHORT] = "short", | |
67a12205 | 1134 | [OUTPUT_SHORT_MONOTONIC] = "short-monotonic", |
44bc6e1f | 1135 | [OUTPUT_SHORT_ISO] = "short-iso", |
df50185b LP |
1136 | [OUTPUT_VERBOSE] = "verbose", |
1137 | [OUTPUT_EXPORT] = "export", | |
d3f2bdbf | 1138 | [OUTPUT_JSON] = "json", |
a6e87e90 | 1139 | [OUTPUT_JSON_PRETTY] = "json-pretty", |
48383c25 | 1140 | [OUTPUT_JSON_SSE] = "json-sse", |
d3f2bdbf | 1141 | [OUTPUT_CAT] = "cat" |
df50185b LP |
1142 | }; |
1143 | ||
1144 | DEFINE_STRING_TABLE_LOOKUP(output_mode, OutputMode); |