src/HttpHdrScTarget.cc

   1
   2 /*
   3  * $Id$
   4  *
   5  * DEBUG: section 90    HTTP Cache Control Header
   6  * AUTHOR: Alex Rousskov
   7  *         Robert Collins (Surrogate-Control is derived from
   8  *                         Cache-Control).
   9  *
  10  * SQUID Web Proxy Cache          http://www.squid-cache.org/
  11  * ----------------------------------------------------------
  12  *
  13  *  Squid is the result of efforts by numerous individuals from
  14  *  the Internet community; see the CONTRIBUTORS file for full
  15  *  details.   Many organizations have provided support for Squid's
  16  *  development; see the SPONSORS file for full details.  Squid is
  17  *  Copyrighted (C) 2001 by the Regents of the University of
  18  *  California; see the COPYRIGHT file for full details.  Squid
  19  *  incorporates software developed and/or copyrighted by other
  20  *  sources; see the CREDITS file for full details.
  21  *
  22  *  This program is free software; you can redistribute it and/or modify
  23  *  it under the terms of the GNU General Public License as published by
  24  *  the Free Software Foundation; either version 2 of the License, or
  25  *  (at your option) any later version.
  26  *
  27  *  This program is distributed in the hope that it will be useful,
  28  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  *  GNU General Public License for more details.
  31  *
  32  *  You should have received a copy of the GNU General Public License
  33  *  along with this program; if not, write to the Free Software
  34  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  35  *
  36  */
  37
  38 #include "squid-old.h"
  39 #include "HttpHdrSc.h"
  40 #include "StatHist.h"
  41
  42 extern http_hdr_sc_type &operator++ (http_hdr_sc_type &aHeader);
  43 /* copies non-extant fields from new_sc to this sc */
  44 void
  45 HttpHdrScTarget::mergeWith(const HttpHdrScTarget * new_sc)
  46 {
  47     assert(new_sc);
  48     /* Don't touch the target - this is used to get the operations for a
  49      * single surrogate
  50      */
  51
  52     if (new_sc->hasNoStore())
  53         noStore(true);
  54
  55     if (new_sc->hasNoStoreRemote())
  56         noStoreRemote(true);
  57
  58     if (new_sc->hasMaxAge() && !hasMaxAge()) {
  59         maxAge(new_sc->maxAge());
  60         maxStale(new_sc->maxStale());
  61     }
  62
  63     if (new_sc->hasContent() && !hasContent())
  64         Content(new_sc->content());
  65
  66 }
  67
  68 void
  69 HttpHdrScTarget::updateStats(StatHist * hist) const
  70 {
  71     http_hdr_sc_type c;
  72
  73     for (c = SC_NO_STORE; c < SC_ENUM_END; ++c)
  74         if (isSet(c))
  75             hist->count(c);
  76 }