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/*-
* Copyright (c) 2005-2008 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <err.h>
#include <time.h>
#include <string.h>
#include <stdlib.h>
#include <regex.h>
#include "libfifolog.h"
static time_t opt_B;
static time_t opt_E;
static const char *opt_T;
static const char *opt_o;
static const char *opt_R;
static regex_t R;
static FILE *fo;
static void
Render(void *priv __unused, time_t now, unsigned flag __unused, const unsigned char *p, unsigned l __unused)
{
static struct tm utc;
char buf[128];
int i;
if (now < opt_B || now > opt_E)
return;
if (opt_R != NULL && regexec(&R, (const char *)p, 0, NULL, 0))
return;
if (opt_T != NULL) {
(void)gmtime_r(&now, &utc);
i = strftime(buf, sizeof buf, opt_T, &utc);
assert(i > 0);
fprintf(fo, "%s %s\n", buf, p);
} else {
fprintf(fo, "%12ld %s\n", (long)now, p);
}
}
/*--------------------------------------------------------------------*/
static void
Usage(void)
{
fprintf(stderr,
"Usage: fiforead [options] fifofile\n"
"\t-b <start time integer>\n"
"\t-B <start time>\n"
"\t-e <end time integer>\n"
"\t-E <end time>\n"
"\t-o <output file>\n"
"\t-R <regexp> # match regexp\n"
"\t-t # format timestamps as %%Y%%m%%d%%H%%M%%S\n"
"\t-T <timestamp format>\n"
);
exit (2);
}
int
main(int argc, char * const *argv)
{
int ch, i;
off_t o;
struct fifolog_reader *fl;
const char *progname;
progname=argv[0];
time(&opt_E);
opt_o = "-";
while ((ch = getopt(argc, argv, "b:B:e:E:o:R:tT:")) != -1) {
switch (ch) {
case 'b':
opt_B = strtoul(optarg, NULL, 0);
break;
case 'B':
opt_B = get_date(optarg);
if (opt_B == -1)
errx(1, "Didn't understand \"%s\"", optarg);
break;
case 'e':
opt_E = strtoul(optarg, NULL, 0);
break;
case 'E':
opt_E = get_date(optarg);
if (opt_E == -1)
errx(1, "Didn't understand \"%s\"", optarg);
break;
case 'o':
opt_o = optarg;
break;
case 'R':
opt_R = optarg;
break;
case 't':
opt_T = "%Y%m%d%H%M%S";
break;
case 'T':
opt_T = optarg;
break;
default:
Usage();
}
}
argc -= optind;
argv += optind;
if (opt_R != NULL) {
i = regcomp(&R, opt_R, REG_NOSUB);
if (i != 0) {
char buf[BUFSIZ];
(void)regerror(i, &R, buf, sizeof buf);
fprintf(stderr, "-R argument: %s\n", buf);
exit (1);
}
}
fprintf(stderr, "From\t%jd %s", (intmax_t)opt_B, ctime(&opt_B));
fprintf(stderr, "To\t%jd %s", (intmax_t)opt_E, ctime(&opt_E));
if (opt_B >= opt_E)
errx(1, "Begin time not before End time");
if (argv[0] == NULL)
errx(1, "Usage: %s [options] fifolog", progname);
fl = fifolog_reader_open(argv[0]);
if (!strcmp(opt_o, "-"))
fo = stdout;
else {
fo = fopen(opt_o, "w");
if (fo == NULL)
err(1, "Cannot open: %s", argv[1]);
}
o = fifolog_reader_seek(fl, opt_B);
fifolog_reader_process(fl, o, Render, NULL, opt_E);
return (0);
}
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