-
/*
- * $Id: icp_v3.cc,v 1.37 2003/01/23 00:37:22 robertc Exp $
- *
- * DEBUG: section 12 Internet Cache Protocol
- * AUTHOR: Duane Wessels
- *
- * 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) 1996-2017 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
+ */
+
+/* DEBUG: section 12 Internet Cache Protocol (ICP) */
+
+/**
+ \defgroup ServerProtocolICPInternal3 ICPv3 Internals
+ \ingroup ServerProtocolICPAPI
*/
#include "squid.h"
-#include "Store.h"
-#include "ICP.h"
#include "HttpRequest.h"
+#include "ICP.h"
+#include "Store.h"
+
+/// \ingroup ServerProtocolICPInternal3
+class ICP3State : public ICPState, public StoreClient
+{
-class ICP3State : public ICPState, public StoreClient {
public:
- ICP3State(icp_common_t &aHeader):ICPState(aHeader){}
+ ICP3State(icp_common_t &aHeader, HttpRequest *aRequest) :
+ ICPState(aHeader, aRequest) {}
+
~ICP3State();
void created (StoreEntry *newEntry);
};
+/// \ingroup ServerProtocolICPInternal3
static void
-doV3Query(int fd, struct sockaddr_in from, char *buf, icp_common_t header)
+doV3Query(int fd, Ip::Address &from, char *buf, icp_common_t header)
{
/* We have a valid packet */
- char *url = buf + sizeof(icp_common_t) + sizeof(u_int32_t);
- request_t *icp_request = icpGetRequest (url, header.reqnum, fd, &from);
+ char *url = buf + sizeof(icp_common_t) + sizeof(uint32_t);
+ HttpRequest *icp_request = icpGetRequest(url, header.reqnum, fd, from);
+
if (!icp_request)
- return;
- if (!icpAccessAllowed(&from, icp_request)) {
- icpDenyAccess (&from, url, header.reqnum, fd);
- requestDestroy(icp_request);
- return;
+ return;
+
+ if (!icpAccessAllowed(from, icp_request)) {
+ icpDenyAccess (from, url, header.reqnum, fd);
+ delete icp_request;
+ return;
}
+
/* The peer is allowed to use this cache */
- ICP3State *state = new ICP3State (header);
- state->request = icp_request;
+ ICP3State *state = new ICP3State (header, icp_request);
state->fd = fd;
state->from = from;
- state->url = xstrdup (url);
- StoreEntry::getPublic (state, url, METHOD_GET);
-}
+ state->url = xstrdup(url);
-ICP3State::~ICP3State ()
-{
+ StoreEntry::getPublic (state, url, Http::METHOD_GET);
}
+ICP3State::~ICP3State()
+{}
+
void
-ICP3State::created (StoreEntry *newEntry)
+ICP3State::created(StoreEntry *newEntry)
{
StoreEntry *entry = newEntry->isNull () ? NULL : newEntry;
- debug(12, 5) ("icpHandleIcpV3: OPCODE %s\n",
- icp_opcode_str[header.opcode]);
+ debugs(12, 5, "icpHandleIcpV3: OPCODE " << icp_opcode_str[header.opcode]);
icp_opcode codeToSend;
+
if (icpCheckUdpHit(entry, request)) {
- codeToSend = ICP_HIT;
+ codeToSend = ICP_HIT;
} else if (icpGetCommonOpcode() == ICP_ERR)
- codeToSend = ICP_MISS;
+ codeToSend = ICP_MISS;
else
- codeToSend = icpGetCommonOpcode();
- icpCreateAndSend (codeToSend, 0, url, header.reqnum, 0, fd, &from);
+ codeToSend = icpGetCommonOpcode();
+
+ icpCreateAndSend (codeToSend, 0, url, header.reqnum, 0, fd, from);
+
delete this;
}
+/// \ingroup ServerProtocolICPInternal3
/* Currently Harvest cached-2.x uses ICP_VERSION_3 */
void
-icpHandleIcpV3(int fd, struct sockaddr_in from, char *buf, int len)
+icpHandleIcpV3(int fd, Ip::Address &from, char *buf, int len)
{
if (len <= 0) {
- debug(12, 3) ("icpHandleIcpV3: ICP message is too small\n");
- return;
+ debugs(12, 3, "icpHandleIcpV3: ICP message is too small");
+ return;
}
+
icp_common_t header (buf, len);
/*
* Length field should match the number of bytes read
*/
+
if (len != header.length) {
- debug(12, 3) ("icpHandleIcpV3: ICP message is too small\n");
- return;
+ debugs(12, 3, "icpHandleIcpV3: ICP message is too small");
+ return;
}
+
switch (header.opcode) {
+
case ICP_QUERY:
- doV3Query(fd, from,buf, header);
- break;
+ doV3Query(fd, from, buf, header);
+ break;
case ICP_HIT:
-#if ALLOW_SOURCE_PING
- case ICP_SECHO:
-#endif
+
case ICP_DECHO:
+
case ICP_MISS:
+
case ICP_DENIED:
+
case ICP_MISS_NOFETCH:
- header.handleReply(buf, &from);
- break;
+ header.handleReply(buf, from);
+ break;
case ICP_INVALID:
+
case ICP_ERR:
- break;
+ break;
default:
- debug(12, 0) ("icpHandleIcpV3: UNKNOWN OPCODE: %d from %s\n",
- header.opcode, inet_ntoa(from.sin_addr));
- break;
+ debugs(12, DBG_CRITICAL, "icpHandleIcpV3: UNKNOWN OPCODE: " << header.opcode << " from " << from);
+ break;
}
}
+
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