
/*
 * $Id: useragent.cc,v 1.31 2007/04/28 22:26:38 hno Exp $
 *
 * DEBUG: section 40    User-Agent Logging
 * AUTHOR: Joe Ramey <ramey@csc.ti.com>
 *
 * 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 "SquidTime.h"

#if USE_USERAGENT_LOG
static Logfile *useragentlog = NULL;
#endif

void
useragentOpenLog(void)
{
#if USE_USERAGENT_LOG
    assert(NULL == useragentlog);

    if (!Config.Log.useragent || (0 == strcmp(Config.Log.useragent, "none"))) {
        debugs(40, 1, "User-Agent logging is disabled.");
        return;
    }

    useragentlog = logfileOpen(Config.Log.useragent, 0, 1);
#endif
}

void
useragentRotateLog(void)
{
#if USE_USERAGENT_LOG

    if (NULL == useragentlog)
        return;

    logfileRotate(useragentlog);

#endif
}

void
logUserAgent(const char *client, const char *agent)
{
#if USE_USERAGENT_LOG
    static time_t last_time = 0;
    static char time_str[128];
    const char *s;

    if (NULL == useragentlog)
        return;

    if (squid_curtime != last_time) {
        s = mkhttpdlogtime(&squid_curtime);
        strcpy(time_str, s);
        last_time = squid_curtime;
    }

    logfilePrintf(useragentlog, "%s [%s] \"%s\"\n",
                  client,
                  time_str,
                  agent);
#endif
}

void
useragentLogClose(void)
{
#if USE_USERAGENT_LOG

    if (NULL == useragentlog)
        return;

    logfileClose(useragentlog);

    useragentlog = NULL;

#endif
}
