diff options
Diffstat (limited to 'src/binlogcat.c')
-rw-r--r-- | src/binlogcat.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/binlogcat.c b/src/binlogcat.c new file mode 100644 index 0000000..c51125b --- /dev/null +++ b/src/binlogcat.c | |||
@@ -0,0 +1,134 @@ | |||
1 | /* This file is part of vmod-binlog | ||
2 | Copyright (C) 2013 Sergey Poznyakoff | ||
3 | |||
4 | Vmod-binlog is free software; you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation; either version 3, or (at your option) | ||
7 | any later version. | ||
8 | |||
9 | Vmod-binlog is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License | ||
15 | along with vmod-binlog. If not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | |||
18 | #include <config.h> | ||
19 | #include <unistd.h> | ||
20 | #include <stdio.h> | ||
21 | #include <stdlib.h> | ||
22 | #include <errno.h> | ||
23 | #include <time.h> | ||
24 | #include <string.h> | ||
25 | #include "vmod-binlog.h" | ||
26 | |||
27 | char *progname; | ||
28 | char *timefmt = "%c"; | ||
29 | int number_option; | ||
30 | int verbose_option; | ||
31 | |||
32 | void | ||
33 | catlog(const char *fname) | ||
34 | { | ||
35 | FILE *fp; | ||
36 | union binlog_header header; | ||
37 | struct binlog_record rec; | ||
38 | char timebuf[128]; | ||
39 | size_t i; | ||
40 | |||
41 | if (strcmp(fname, "-") == 0) | ||
42 | fp = stdin; | ||
43 | else { | ||
44 | fp = fopen(fname, "r"); | ||
45 | if (!fp) { | ||
46 | fprintf(stderr, "%s: cannot open %s: %s\n", | ||
47 | progname, fname, strerror(errno)); | ||
48 | exit(1); | ||
49 | } | ||
50 | } | ||
51 | |||
52 | if (fread(&header, sizeof(header), 1, fp) != 1) { | ||
53 | fprintf(stderr, "%s: error reading header of %s: %s\n", | ||
54 | progname, fname, strerror(errno)); | ||
55 | exit(1); | ||
56 | } | ||
57 | |||
58 | if (memcmp(header.hdr.magic, BINLOG_MAGIC_STR, BINLOG_MAGIC_LEN)) { | ||
59 | fprintf(stderr, "%s: %s is not a binlog file\n", | ||
60 | progname, fname); | ||
61 | exit(1); | ||
62 | } | ||
63 | |||
64 | if (header.hdr.version != BINLOG_VERSION) { | ||
65 | fprintf(stderr, "%s: %s: unknown version\n", | ||
66 | progname, fname); | ||
67 | exit(1); | ||
68 | } | ||
69 | |||
70 | if (header.hdr.recsize != sizeof(struct binlog_record)) { | ||
71 | fprintf(stderr, "%s: %s: record length mismatch\n", | ||
72 | progname, fname); | ||
73 | exit(1); | ||
74 | } | ||
75 | |||
76 | if (verbose_option) | ||
77 | printf("# %s; %lu records\n", fname, header.hdr.recnum); | ||
78 | |||
79 | for (i = 0; i < header.hdr.recnum; i++) { | ||
80 | if (fread(&rec, sizeof(rec), 1, fp) != 1) { | ||
81 | fprintf(stderr, "%s: %s: unexpected eof\n", | ||
82 | progname, fname); | ||
83 | break; | ||
84 | } | ||
85 | |||
86 | strftime(timebuf, sizeof timebuf, timefmt, localtime(&rec.ts)); | ||
87 | if (number_option) | ||
88 | printf("%lu ", (unsigned long) i); | ||
89 | printf("%s %ld %ld\n", timebuf, rec.nid, rec.aid); | ||
90 | } | ||
91 | |||
92 | fclose(fp); | ||
93 | } | ||
94 | |||
95 | void | ||
96 | help() | ||
97 | { | ||
98 | printf("usage: %s [-hnv] [t FORMAT] [FILE...]\n"); | ||
99 | } | ||
100 | |||
101 | int | ||
102 | main(int argc, char **argv) | ||
103 | { | ||
104 | progname = argv[0]; | ||
105 | int c; | ||
106 | |||
107 | while ((c = getopt(argc, argv, "ht:nv")) != EOF) | ||
108 | switch (c) { | ||
109 | case 'h': | ||
110 | help(); | ||
111 | return 0; | ||
112 | case 't': | ||
113 | timefmt = optarg; | ||
114 | break; | ||
115 | case 'n': | ||
116 | number_option = 1; | ||
117 | break; | ||
118 | case 'v': | ||
119 | verbose_option = 1; | ||
120 | break; | ||
121 | default: | ||
122 | exit(1); | ||
123 | } | ||
124 | |||
125 | argc -= optind; | ||
126 | argv += optind; | ||
127 | |||
128 | if (argc == 0) | ||
129 | catlog("-"); | ||
130 | else while (argc--) | ||
131 | catlog(*(argv++)); | ||
132 | return 0; | ||
133 | } | ||
134 | |||