2 * AUTHOR: Robert Collins
4 * SQUID Web Proxy Cache http://www.squid-cache.org/
5 * ----------------------------------------------------------
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.
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.
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.
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.
30 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
33 #ifndef SQUID_PEERSELECTSTATE_H
34 #define SQUID_PEERSELECTSTATE_H
38 #include "comm/forward.h"
39 #include "hier_code.h"
40 #include "ip/Address.h"
46 typedef void PSC(Comm::Paths
*, void *);
48 SQUIDCEXTERN
void peerSelect(Comm::Paths
*, HttpRequest
*, StoreEntry
*, PSC
*, void *data
);
49 SQUIDCEXTERN
void peerSelectInit(void);
52 * A peer which has been selected as a possible destination.
53 * Listed as pointers here so as to prevent duplicates being added but will
54 * be converted to a set of IP address path options before handing back out
57 * Certain connection flags and outgoing settings will also be looked up and
58 * set based on the received request and peer settings before handing back.
63 peer
*_peer
; /* NULL --> origin server */
72 void *operator new(size_t);
82 Comm::Paths
*paths
; ///< the callers paths array. to be filled with our final results.
83 FwdServer
*servers
; ///< temporary linked list of peers we will pass back.
86 * Why are these Ip::Address instead of peer *? Because a
87 * peer structure can become invalid during the peer selection
88 * phase, specifically after a reconfigure. Thus we need to lookup
89 * the peer * based on the address when we are finally ready to
90 * reference the peer structure.
93 Ip::Address first_parent_miss
;
95 Ip::Address closest_parent_miss
;
97 * ->hit can be peer* because it should only be
98 * accessed during the thread when it is set
103 ACLChecklist
*acl_checklist
;
105 CBDATA_CLASS(ps_state
);
108 #endif /* SQUID_PEERSELECTSTATE_H */