/*
- * AUTHOR: Robert Collins
+ * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
*
- * 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.
- *
- * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
#ifndef SQUID_PEERSELECTSTATE_H
#define SQUID_PEERSELECTSTATE_H
-#include "Array.h"
+#include "AccessLogEntry.h"
+#include "acl/Checklist.h"
#include "cbdata.h"
-#include "comm/Connection.h"
+#include "comm/forward.h"
+#include "hier_code.h"
#include "ip/Address.h"
#include "PingData.h"
class HttpRequest;
class StoreEntry;
+class ErrorState;
-typedef void PSC(Vector<Comm::Connection::Pointer> *, void *);
+typedef void PSC(Comm::ConnectionList *, ErrorState *, void *);
-SQUIDCEXTERN void peerSelect(Vector<Comm::Connection::Pointer> *, HttpRequest *, StoreEntry *, PSC *, void *data);
-SQUIDCEXTERN void peerSelectInit(void);
+void peerSelect(Comm::ConnectionList *, HttpRequest *, AccessLogEntry::Pointer const&, StoreEntry *, PSC *, void *data);
+void peerSelectInit(void);
/**
- * A peer which has been selected as a possible destination.
+ * A CachePeer which has been selected as a possible destination.
* Listed as pointers here so as to prevent duplicates being added but will
* be converted to a set of IP address path options before handing back out
* to the caller.
*
* Certain connection flags and outgoing settings will also be looked up and
- * set based on the received request and peer settings before handing back.
+ * set based on the received request and CachePeer settings before handing back.
*/
class FwdServer
{
public:
- peer *_peer; /* NULL --> origin server */
+ CachePeer *_peer; /* NULL --> origin server */
hier_code code;
FwdServer *next;
};
class ps_state
{
+ CBDATA_CLASS(ps_state);
public:
- void *operator new(size_t);
ps_state();
+ ~ps_state();
+
+ // Produce a URL for display identifying the transaction we are
+ // trying to locate a peer for.
+ const char * url() const;
+
HttpRequest *request;
+ AccessLogEntry::Pointer al; ///< info for the future access.log entry
StoreEntry *entry;
- int always_direct;
- int never_direct;
- int direct;
+ allow_t always_direct;
+ allow_t never_direct;
+ int direct; // TODO: fold always_direct/never_direct/prefer_direct into this now that ACL can do a multi-state result.
PSC *callback;
void *callback_data;
+ ErrorState *lastError;
- Vector<Comm::Connection::Pointer> *paths; ///< the callers paths array. to be filled with our final results.
- FwdServer *servers; ///< temporary linked list of peers we will pass back.
+ Comm::ConnectionList *paths; ///< the callers paths array. to be filled with our final results.
+ FwdServer *servers; ///< temporary linked list of peers we will pass back.
/*
- * Why are these Ip::Address instead of peer *? Because a
- * peer structure can become invalid during the peer selection
+ * Why are these Ip::Address instead of CachePeer *? Because a
+ * CachePeer structure can become invalid during the CachePeer selection
* phase, specifically after a reconfigure. Thus we need to lookup
- * the peer * based on the address when we are finally ready to
- * reference the peer structure.
+ * the CachePeer * based on the address when we are finally ready to
+ * reference the CachePeer structure.
*/
Ip::Address first_parent_miss;
Ip::Address closest_parent_miss;
/*
- * ->hit can be peer* because it should only be
+ * ->hit can be CachePeer* because it should only be
* accessed during the thread when it is set
*/
- peer *hit;
+ CachePeer *hit;
peer_t hit_type;
ping_data ping;
ACLChecklist *acl_checklist;
-private:
- CBDATA_CLASS(ps_state);
};
-
#endif /* SQUID_PEERSELECTSTATE_H */
+
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