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-rw-r--r--src/binlogcat.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/binlogcat.c b/src/binlogcat.c
new file mode 100644
index 0000000..c51125b
--- a/dev/null
+++ b/src/binlogcat.c
@@ -0,0 +1,134 @@
+/* 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;
+
+void
+catlog(const char *fname)
+{
+ FILE *fp;
+ union binlog_header header;
+ struct binlog_record rec;
+ char timebuf[128];
+ size_t i;
+
+ 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;
+ }
+
+ 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 [-hnv] [t FORMAT] [FILE...]\n");
+}
+
+int
+main(int argc, char **argv)
+{
+ progname = argv[0];
+ int c;
+
+ while ((c = getopt(argc, argv, "ht:nv")) != EOF)
+ switch (c) {
+ 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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