src/PeerSelectState.h

   1 /*
   2  * AUTHOR: Robert Collins
   3  *
   4  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   5  * ----------------------------------------------------------
   6  *
   7  *  Squid is the result of efforts by numerous individuals from
   8  *  the Internet community; see the CONTRIBUTORS file for full
   9  *  details.   Many organizations have provided support for Squid's
  10  *  development; see the SPONSORS file for full details.  Squid is
  11  *  Copyrighted (C) 2001 by the Regents of the University of
  12  *  California; see the COPYRIGHT file for full details.  Squid
  13  *  incorporates software developed and/or copyrighted by other
  14  *  sources; see the CREDITS file for full details.
  15  *
  16  *  This program is free software; you can redistribute it and/or modify
  17  *  it under the terms of the GNU General Public License as published by
  18  *  the Free Software Foundation; either version 2 of the License, or
  19  *  (at your option) any later version.
  20  *
  21  *  This program is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  *  GNU General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License
  27  *  along with this program; if not, write to the Free Software
  28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  29  *
  30  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  31  */
  32
  33 #ifndef   SQUID_PEERSELECTSTATE_H
  34 #define   SQUID_PEERSELECTSTATE_H
  35
  36 #include "cbdata.h"
  37 #include "PingData.h"
  38 #include "ip/Address.h"
  39
  40 class ps_state
  41 {
  42
  43 public:
  44     void *operator new(size_t);
  45     ps_state();
  46     HttpRequest *request;
  47     StoreEntry *entry;
  48     int always_direct;
  49     int never_direct;
  50     int direct;
  51     PSC *callback;
  52     void *callback_data;
  53     FwdServer *servers;
  54     /*
  55      * Why are these Ip::Address instead of peer *?  Because a
  56      * peer structure can become invalid during the peer selection
  57      * phase, specifically after a reconfigure.  Thus we need to lookup
  58      * the peer * based on the address when we are finally ready to
  59      * reference the peer structure.
  60      */
  61
  62     Ip::Address first_parent_miss;
  63
  64     Ip::Address closest_parent_miss;
  65     /*
  66      * ->hit can be peer* because it should only be
  67      * accessed during the thread when it is set
  68      */
  69     peer *hit;
  70     peer_t hit_type;
  71     ping_data ping;
  72     ACLChecklist *acl_checklist;
  73 private:
  74     CBDATA_CLASS(ps_state);
  75 };
  76
  77
  78 #endif /* SQUID_PEERSELECTSTATE_H */