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/*
* $Id: logfile.c,v 1.27.2.2 2008/06/04 20:36:17 hno Exp $
*
* DEBUG: section 50 Log file handling
* AUTHOR: Duane Wessels
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
*/
#include "squid.h"
#include "logfile_mod_daemon.h"
#if HAVE_SYSLOG
#include "logfile_mod_syslog.h"
#endif
#include "logfile_mod_stdio.h"
#include "logfile_mod_udp.h"
CBDATA_TYPE(Logfile);
Logfile *
logfileOpen(const char *path, size_t bufsz, int fatal_flag)
{
Logfile *lf;
const char *patharg;
int ret;
debug(50, 1) ("logfileOpen: opening log %s\n", path);
CBDATA_INIT_TYPE(Logfile);
lf = cbdataAlloc(Logfile);
xstrncpy(lf->path, path, MAXPATHLEN);
patharg = path;
/* need to call the per-logfile-type code */
if (strncmp(path, "stdio:", 6) == 0) {
patharg = path + 6;
ret = logfile_mod_stdio_open(lf, patharg, bufsz, fatal_flag);
} else if (strncmp(path, "daemon:", 7) == 0) {
patharg = path + 7;
ret = logfile_mod_daemon_open(lf, patharg, bufsz, fatal_flag);
} else if (strncmp(path, "udp:", 4) == 0) {
patharg = path + 4;
ret = logfile_mod_udp_open(lf, patharg, bufsz, fatal_flag);
#if HAVE_SYSLOG
} else if (strncmp(path, "syslog:", 7) == 0) {
patharg = path + 7;
ret = logfile_mod_syslog_open(lf, patharg, bufsz, fatal_flag);
#endif
} else {
ret = logfile_mod_stdio_open(lf, patharg, bufsz, fatal_flag);
}
if (!ret) {
if (fatal_flag)
fatalf("logfileOpen: path %s: couldn't open!\n", path);
else
debug(50, 1) ("logfileOpen: path %s: couldn't open!\n", path);
lf->f_close(lf);
cbdataFree(lf);
return NULL;
}
assert(lf->data != NULL);
if (fatal_flag)
lf->flags.fatal = 1;
lf->sequence_number = 0;
return lf;
}
void
logfileClose(Logfile * lf)
{
debug(50, 1) ("logfileClose: closing log %s\n", lf->path);
lf->f_flush(lf);
lf->f_close(lf);
cbdataFree(lf);
}
void
logfileRotate(Logfile * lf)
{
debug(50, 1) ("logfileRotate: %s\n", lf->path);
lf->f_rotate(lf);
}
void
logfileWrite(Logfile * lf, char *buf, size_t len)
{
lf->f_linewrite(lf, buf, len);
}
void
logfileLineStart(Logfile * lf)
{
lf->f_linestart(lf);
}
void
logfileLineEnd(Logfile * lf)
{
lf->f_lineend(lf);
lf->sequence_number++;
}
void
#if STDC_HEADERS
logfilePrintf(Logfile * lf, const char *fmt,...)
#else
logfilePrintf(va_alist)
va_dcl
#endif
{
va_list args;
char buf[8192];
int s;
#if STDC_HEADERS
va_start(args, fmt);
#else
Logfile *lf;
const char *fmt;
va_start(args);
lf = va_arg(args, Logfile *);
fmt = va_arg(args, char *);
#endif
s = vsnprintf(buf, 8192, fmt, args);
if (s > 8192) {
s = 8192;
if (fmt[strlen(fmt) - 1] == '\n')
buf[8191] = '\n';
}
if (s > 0)
logfileWrite(lf, buf, (size_t) s);
else
debug(50, 1) ("Failed to format log data for %s\n", lf->path);
va_end(args);
}
void
logfileFlush(Logfile * lf)
{
lf->f_flush(lf);
}
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