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/* This file is part of vmod-binlog
Copyright (C) 2013 Sergey Poznyakoff
Vmod-binlog is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
Vmod-binlog is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with vmod-binlog. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#include "vmod-binlog.h"
char *progname;
char *timefmt = "%c";
int number_option;
int verbose_option;
int timediff_option;
void
catlog(const char *fname)
{
FILE *fp;
union binlog_header header;
struct binlog_record rec;
char timebuf[128];
size_t i;
time_t start_ts;
if (strcmp(fname, "-") == 0)
fp = stdin;
else {
fp = fopen(fname, "r");
if (!fp) {
fprintf(stderr, "%s: cannot open %s: %s\n",
progname, fname, strerror(errno));
exit(1);
}
}
if (fread(&header, sizeof(header), 1, fp) != 1) {
fprintf(stderr, "%s: error reading header of %s: %s\n",
progname, fname, strerror(errno));
exit(1);
}
if (memcmp(header.hdr.magic, BINLOG_MAGIC_STR, BINLOG_MAGIC_LEN)) {
fprintf(stderr, "%s: %s is not a binlog file\n",
progname, fname);
exit(1);
}
if (header.hdr.version != BINLOG_VERSION) {
fprintf(stderr, "%s: %s: unknown version\n",
progname, fname);
exit(1);
}
if (header.hdr.recsize != sizeof(struct binlog_record)) {
fprintf(stderr, "%s: %s: record length mismatch\n",
progname, fname);
exit(1);
}
if (verbose_option)
printf("# %s; %lu records\n", fname, header.hdr.recnum);
for (i = 0; i < header.hdr.recnum; i++) {
if (fread(&rec, sizeof(rec), 1, fp) != 1) {
fprintf(stderr, "%s: %s: unexpected eof\n",
progname, fname);
break;
}
if (timediff_option) {
if (i == 0)
start_ts = rec.ts;
rec.ts -= start_ts;
}
strftime(timebuf, sizeof timebuf, timefmt, localtime(&rec.ts));
if (number_option)
printf("%lu ", (unsigned long) i);
printf("%s %ld %ld\n", timebuf, rec.nid, rec.aid);
}
fclose(fp);
}
void
help()
{
printf("usage: %s [-dhnv] [t FORMAT] [FILE...]\n");
}
int
main(int argc, char **argv)
{
progname = argv[0];
int c;
while ((c = getopt(argc, argv, "dht:nv")) != EOF)
switch (c) {
case 'd':
timediff_option = 1;
timefmt = "%s";
break;
case 'h':
help();
return 0;
case 't':
timefmt = optarg;
break;
case 'n':
number_option = 1;
break;
case 'v':
verbose_option = 1;
break;
default:
exit(1);
}
argc -= optind;
argv += optind;
if (argc == 0)
catlog("-");
else while (argc--)
catlog(*(argv++));
return 0;
}
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