src/referer.cc

   1 /*
   2  * $Id$
   3  *
   4  * DEBUG: section 40    Referer Logging
   5  * AUTHOR: Joe Ramey <ramey@csc.ti.com> (useragent)
   6  *         Jens-S. Vöckler <voeckler@rvs.uni-hannover.de> (mod 4 referer)
   7  *
   8  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   9  * ----------------------------------------------------------
  10  *
  11  *  Squid is the result of efforts by numerous individuals from
  12  *  the Internet community; see the CONTRIBUTORS file for full
  13  *  details.   Many organizations have provided support for Squid's
  14  *  development; see the SPONSORS file for full details.  Squid is
  15  *  Copyrighted (C) 2001 by the Regents of the University of
  16  *  California; see the COPYRIGHT file for full details.  Squid
  17  *  incorporates software developed and/or copyrighted by other
  18  *  sources; see the CREDITS file for full details.
  19  *
  20  *  This program is free software; you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation; either version 2 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  This program is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with this program; if not, write to the Free Software
  32  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  33  *
  34  */
  35
  36 #include "squid.h"
  37 #include "log/File.h"
  38 #include "SquidTime.h"
  39
  40 #if USE_REFERER_LOG
  41 static Logfile *refererlog = NULL;
  42 #endif
  43
  44 void
  45 refererOpenLog(void)
  46 {
  47 #if USE_REFERER_LOG
  48     assert(NULL == refererlog);
  49
  50     if (!Config.Log.referer || (0 == strcmp(Config.Log.referer, "none"))) {
  51         debugs(40, 1, "Referer logging is disabled.");
  52         return;
  53     }
  54
  55     refererlog = logfileOpen(Config.Log.referer, 0, 1);
  56 #endif
  57 }
  58
  59 void
  60 refererRotateLog(void)
  61 {
  62 #if USE_REFERER_LOG
  63
  64     if (NULL == refererlog)
  65         return;
  66
  67     logfileRotate(refererlog);
  68
  69 #endif
  70 }
  71
  72 void
  73 logReferer(const char *client, const char *referer, const char *uri)
  74 {
  75 #if USE_REFERER_LOG
  76
  77     if (NULL == refererlog)
  78         return;
  79
  80     logfilePrintf(refererlog, "%9d.%03d %s %s %s\n",
  81                   (int) current_time.tv_sec,
  82                   (int) current_time.tv_usec / 1000,
  83                   client,
  84                   referer,
  85                   uri ? uri : "-");
  86
  87 #endif
  88 }
  89
  90 void
  91 refererCloseLog(void)
  92 {
  93 #if USE_REFERER_LOG
  94
  95     if (NULL == refererlog)
  96         return;
  97
  98     logfileClose(refererlog);
  99
 100     refererlog = NULL;
 101
 102 #endif
 103 }