This patch is generated from the visolve_wccpv2 branch of HEAD in squid
Tue Aug 17 18:57:54 2004 GMT
See http://devel.squid-cache.org/
Index: squid/acconfig.h
diff -u squid/acconfig.h:1.18 squid/acconfig.h:1.18.4.1
--- squid/acconfig.h:1.18 Sat Apr 13 16:09:52 2002
+++ squid/acconfig.h Sun May 19 22:27:00 2002
@@ -118,11 +118,16 @@
#undef SQUID_SNMP
/*
- * Define to enable WCCP
+ * Define to enable WCCPv1
*/
#define USE_WCCP 1
/*
+ * Define to enable WCCP V2
+ */
+#undef USE_WCCPv2
+
+/*
* Squid frequently calls gettimeofday() for accurate timestamping.
* If you are concerned that gettimeofday() is called too often, and
* could be causing performance degradation, then you can define
Index: squid/configure.in
diff -u squid/configure.in:1.55 squid/configure.in:1.55.2.1
--- squid/configure.in:1.55 Sun May 19 18:03:01 2002
+++ squid/configure.in Sun May 19 22:27:00 2002
@@ -485,14 +485,24 @@
])
AC_ARG_ENABLE(wccp,
-[ --disable-wccp Disable Web Cache Coordination Protocol],
+[ --disable-wccp Disable Web Cache Coordination V1 Protocol],
[ if test "$enableval" = "no" ; then
- echo "Web Cache Coordination Protocol disabled"
+ echo "Web Cache Coordination V1 Protocol disabled"
AC_DEFINE(USE_WCCP, 0)
else
AC_DEFINE(USE_WCCP, 1)
fi
-])
+])
+
+AM_CONDITIONAL(USE_WCCPv2, false)
+AC_ARG_ENABLE(wccpv2,
+[ --enble-wccpv2 Enable Web Cache Coordination V2 Protocol],
+[ if test "$enableval" = "yes" ; then
+ echo "Web Cache Coordination V2 Protocol enabled"
+ AC_DEFINE(USE_WCCPv2, 1)
+ AM_CONDITIONAL(USE_WCCPv2, true)
+ fi
+])
AC_ARG_ENABLE(kill-parent-hack,
[ --enable-kill-parent-hack
Index: squid/src/Makefile.am
diff -u squid/src/Makefile.am:1.19 squid/src/Makefile.am:1.19.4.1
--- squid/src/Makefile.am:1.19 Sun Apr 14 16:07:00 2002
+++ squid/src/Makefile.am Fri Jun 14 00:07:43 2002
@@ -26,6 +26,12 @@
DELAY_POOL_SOURCE =
endif
+if USE_WCCPv2
+WCCPv2_SOURCE = wccpv2.c
+else
+WCCPv2_SOURCE =
+endif
+
if ENABLE_HTCP
HTCPSOURCE = htcp.c
endif
@@ -97,6 +103,7 @@
unlinkd.c \
ssl_support.c \
ssl_support.h \
+ wccpv2.c \
win32.c
squid_SOURCES = \
@@ -197,6 +204,7 @@
useragent.c \
wais.c \
wccp.c \
+ $(WCCPv2_SOURCE) \
whois.c \
$(WIN32SOURCE)
Index: squid/src/cf.data.pre
diff -u squid/src/cf.data.pre:1.62 squid/src/cf.data.pre:1.62.2.1
--- squid/src/cf.data.pre:1.62 Fri May 3 07:32:42 2002
+++ squid/src/cf.data.pre Sun May 19 22:27:01 2002
@@ -3140,10 +3140,16 @@
LOC: Config.Wccp.router
DEFAULT: 0.0.0.0
IFDEF: USE_WCCP
+DOC_NONE
+NAME: wccp2_router
+TYPE: address
+LOC: Config.Wccp2.router
+DEFAULT: 0.0.0.0
+IFDEF: USE_WCCPv2
DOC_START
- Use this option to define your WCCP ``home'' router for
- Squid. Setting the 'wccp_router' to 0.0.0.0 (the default)
- disables WCCP.
+ Use this option to define your WCCP ``home'' router for
+ Squid. Setting the 'wccp_router' to 0.0.0.0 (the default)
+ disables WCCP.
DOC_END
NAME: wccp_version
@@ -3151,10 +3157,16 @@
LOC: Config.Wccp.version
DEFAULT: 4
IFDEF: USE_WCCP
+DOC_NONE
+NAME: wccp2_version
+TYPE: int
+LOC: Config.Wccp2.version
+DEFAULT: 4
+IFDEF: USE_WCCPv2
DOC_START
- According to some users, Cisco IOS 11.2 only supports WCCP
- version 3. If you're using that version of IOS, change
- this value to 3.
+ According to some users, Cisco IOS 11.2 only supports WCCP
+ version 3. If you're using that version of IOS, change
+ this value to 3.
DOC_END
NAME: wccp_incoming_address
@@ -3168,20 +3180,32 @@
LOC: Config.Wccp.outgoing
DEFAULT: 255.255.255.255
IFDEF: USE_WCCP
+DOC_NONE
+NAME: wccp2_incoming_address
+TYPE: address
+LOC: Config.Wccp2.incoming
+DEFAULT: 0.0.0.0
+IFDEF: USE_WCCPv2
+DOC_NONE
+NAME: wccp2_outgoing_address
+TYPE: address
+LOC: Config.Wccp2.outgoing
+DEFAULT: 255.255.255.255
+IFDEF: USE_WCCPv2
DOC_START
wccp_incoming_address Use this option if you require WCCP
- messages to be received on only one
- interface. Do NOT use this option if
- you're unsure how many interfaces you
- have, or if you know you have only one
- interface.
-
- wccp_outgoing_address Use this option if you require WCCP
- messages to be sent out on only one
- interface. Do NOT use this option if
- you're unsure how many interfaces you
- have, or if you know you have only one
- interface.
+ messages to be received on only one
+ interface. Do NOT use this option if
+ you're unsure how many interfaces you
+ have, or if you know you have only one
+ interface.
+
+ wccp_outgoing_address Use this option if you require WCCP
+ messages to be sent out on only one
+ interface. Do NOT use this option if
+ you're unsure how many interfaces you
+ have, or if you know you have only one
+ interface.
The default behavior is to not bind to any specific address.
Index: squid/src/cf_gen_defines
diff -u squid/src/cf_gen_defines:1.5 squid/src/cf_gen_defines:1.5.24.1
--- squid/src/cf_gen_defines:1.5 Mon Dec 3 00:03:21 2001
+++ squid/src/cf_gen_defines Sun May 19 22:27:01 2002
@@ -18,6 +18,7 @@
define["USE_UNLINKD"]="--enable-unlinkd"
define["USE_USERAGENT_LOG"]="--enable-useragent-log"
define["USE_WCCP"]="--enable-wccp"
+ define["USE_WCCPv2"]="--enable-wccpv2"
}
/^IFDEF:/ {
if (define[$2] != "")
Index: squid/src/main.c
diff -u squid/src/main.c:1.32 squid/src/main.c:1.32.6.1
--- squid/src/main.c:1.32 Sat Apr 6 03:34:50 2002
+++ squid/src/main.c Sun May 19 22:27:01 2002
@@ -290,6 +290,9 @@
#if USE_WCCP
wccpConnectionOpen();
#endif
+#if USE_WCCPv2
+ wccp2ConnectionOpen();
+#endif
clientdbInit();
icmpOpen();
netdbInit();
@@ -316,6 +319,9 @@
#if USE_WCCP
wccpConnectionShutdown();
#endif
+#if USE_WCCPv2
+ wccp2ConnectionShutdown();
+#endif
asnFreeMemory();
}
@@ -336,6 +342,9 @@
#if USE_WCCP
wccpConnectionClose();
#endif
+#if USE_WCCPv2
+ wccp2ConnectionClose();
+#endif
#if USE_DNSSERVERS
dnsShutdown();
#else
@@ -364,6 +373,9 @@
#if USE_WCCP
wccpInit();
#endif
+#if USE_WCCPv2
+ wccp2Init();
+#endif
serverConnectionsOpen();
if (theOutIcpConnection >= 0) {
if (!Config2.Accel.on || Config.onoff.accel_with_proxy)
@@ -521,6 +533,9 @@
#if USE_WCCP
wccpInit();
#endif
+#if USE_WCCPv2
+ wccp2Init();
+#endif
serverConnectionsOpen();
if (theOutIcpConnection >= 0) {
if (!Config2.Accel.on || Config.onoff.accel_with_proxy)
@@ -942,6 +957,9 @@
#if USE_WCCP
wccpConnectionClose();
#endif
+#if USE_WCCPv2
+ wccp2ConnectionClose();
+#endif
releaseServerSockets();
commCloseAllSockets();
authenticateShutdown();
Index: squid/src/protos.h
diff -u squid/src/protos.h:1.54 squid/src/protos.h:1.54.2.1
--- squid/src/protos.h:1.54 Sun Apr 21 14:56:26 2002
+++ squid/src/protos.h Sun May 19 22:27:01 2002
@@ -567,6 +567,13 @@
extern void wccpConnectionClose(void);
#endif /* USE_WCCP */
+#if USE_WCCPv2
+extern void wccp2Init(void);
+extern void wccp2ConnectionOpen(void);
+extern void wccp2ConnectionShutdown(void);
+extern void wccp2ConnectionClose(void);
+#endif /* USE_WCCP */
+
extern void icpHandleIcpV3(int, struct sockaddr_in, char *, int);
extern int icpCheckUdpHit(StoreEntry *, request_t * request);
extern void icpConnectionsOpen(void);
Index: squid/src/structs.h
diff -u squid/src/structs.h:1.57 squid/src/structs.h:1.57.2.1
--- squid/src/structs.h:1.57 Mon Apr 29 23:19:26 2002
+++ squid/src/structs.h Sun May 19 22:27:01 2002
@@ -445,6 +445,14 @@
int version;
} Wccp;
#endif
+#if USE_WCCPv2
+ struct {
+ struct in_addr router;
+ struct in_addr incoming;
+ struct in_addr outgoing;
+ int version;
+ } Wccp2;
+#endif
char *as_whois_server;
struct {
char *log;
Index: squid/src/wccpv2.c
diff -u /dev/null squid/src/wccpv2.c:1.1.2.1
--- /dev/null Tue Aug 17 12:00:41 2004
+++ squid/src/wccpv2.c Sun May 19 22:27:01 2002
@@ -0,0 +1,499 @@
+/*
+ * $Id: squid-visolve_wccpv2-HEAD,v 1.2 2004/09/29 00:22:51 hno Exp $
+ *
+ * DEBUG: section 80 WCCP Support
+ * AUTHOR: Glenn Chisholm
+ *
+ * SQUID Internet Object Cache http://squid.nlanr.net/Squid/
+ * ----------------------------------------------------------
+ *
+ * Squid is the result of efforts by numerous individuals from the
+ * Internet community. Development is led by Duane Wessels of the
+ * National Laboratory for Applied Network Research and funded by the
+ * National Science Foundation. Squid is Copyrighted (C) 1998 by
+ * Duane Wessels and the University of California San Diego. Please
+ * see the COPYRIGHT file for full details. Squid incorporates
+ * software developed and/or copyrighted by other sources. Please 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.
+ *
+ */
+#include "squid.h"
+#include <netdb.h>
+
+#if USE_WCCPv2
+
+#define WCCP_PORT 2048
+#define WCCP_VERSION 4
+#define WCCP_REVISION 0
+#define WCCP_RESPONSE_SIZE 12448
+#define WCCP_ACTIVE_CACHES 32
+#define WCCP_HASH_SIZE 32
+#define WCCP_BUCKETS 256
+
+#define WCCP_HERE_I_AM 7
+#define WCCP_I_SEE_YOU 8
+#define WCCP_ASSIGN_BUCKET 9
+
+static int theInWccpConnection = -1;
+static int theOutWccpConnection = -1;
+static int change;
+static struct in_addr local_ip;
+
+static PF wccp2HandleUdp;
+static int wccp2LowestIP(void);
+static EVH wccp2HereIam;
+static EVH wccp2AssignBuckets;
+
+/* KDW WCCP V2 */
+#define WCCP2_HERE_I_AM 10
+#define WCCP2_I_SEE_YOU 11
+#define WCCP2_REDIRECT_ASSIGN 12
+#define WCCP2_REMOVAL_QUERY 13
+#define WCCP2_VERSION 0x200
+
+#define WCCP2_SECURITY_INFO 0
+#define WCCP2_NO_SECURITY 0
+#define WCCP2_MD5_SECURITY 1 /* Not Supported Yet */
+
+#define WCCP2_SERVICE_INFO 1
+#define WCCP2_SERVICE_STANDARD 0
+#define WCCP2_SERVICE_DYNAMIC 1 /* Not Supported Yet */
+#define WCCP2_SERVICE_ID_HTTP 0x00
+
+#define WCCP2_ROUTER_ID_INFO 2
+
+#define WCCP2_WC_ID_INFO 3
+
+#define WCCP2_RTR_VIEW_INFO 4
+
+#define WCCP2_WC_VIEW_INFO 5
+
+#define WCCP2_REDIRECT_ASSIGNMENT 6
+
+#define WCCP2_QUERY_INFO 7
+
+#define WCCP2_CAPABILTIY_INFO 8
+
+struct wccp2_here_i_am_t {
+ uint32_t type;
+ uint16_t version;
+ uint16_t length;
+ uint16_t security_type;
+ uint16_t security_length;
+ uint32_t security_option;
+ uint16_t service_type;
+ uint16_t service_length;
+ uint8_t service;
+ uint8_t serviceid;
+ char service_filler[22];
+ uint16_t cache_identity_type;
+ uint16_t cache_identity_length;
+ struct in_addr cache_identity_addr;
+ char cache_identity_filler[40];
+ uint16_t cache_view_type;
+ uint16_t cache_view_length;
+ uint32_t cache_view_version;
+ uint32_t cache_view_num_routers;
+ struct in_addr cache_view_rtr1_addr;
+ uint32_t cache_view_rtr1_receive_id;
+ uint32_t cache_view_num_caches;
+ int id;
+};
+
+static struct wccp2_here_i_am_t wccp2_here_i_am;
+
+struct wccp2_i_see_you_t {
+ uint32_t type;
+ uint16_t version;
+ uint16_t length;
+ char data[WCCP_RESPONSE_SIZE];
+ int id;
+};
+
+static struct wccp2_i_see_you_t wccp2_i_see_you;
+
+struct wccp2_item_header_t {
+ uint16_t type;
+ uint16_t length;
+};
+
+static struct wccp2_item_header_t wccp2_item_header;
+
+struct wccp2_router_id_element_t {
+ uint16_t type;
+ uint16_t length;
+ struct in_addr router_addr;
+ uint32_t received_id;
+};
+
+static struct wccp2_router_id_element_t wccp2_router_id_element;
+
+struct wccp2_router_info_t {
+ uint16_t type;
+ uint16_t length;
+ uint32_t member_change;
+};
+
+static struct wccp2_router_info_t wccp2_router_info;
+
+struct wccp2_redirect_assign_t {
+ uint32_t type;
+ uint16_t version;
+ uint16_t length;
+ uint16_t security_type;
+ uint16_t security_length;
+ uint32_t security_option;
+ uint16_t service_type;
+ uint16_t service_length;
+ uint8_t service;
+ uint8_t serviceid;
+ char service_filler[22];
+ uint16_t assignment_type;
+ uint16_t assignment_length;
+ struct in_addr assignment_key;
+ uint32_t assignment_key_change;
+ uint32_t assignment_num_routers;
+ struct in_addr assignment_router1_addr;
+ uint32_t assignment_router1_receive_id;
+ uint32_t assignment_router1_change_number;
+ uint32_t assignment_num_caches;
+ struct in_addr assignment_cache1_addr;
+ char buckets[WCCP_BUCKETS];
+};
+
+static struct wccp2_redirect_assign_t wccp2_redirect_assign;
+
+struct wccp2_assign_bucket_t {
+ int type;
+ int id;
+ int number;
+};
+
+static uint32_t wccp2_received_id;
+static struct in_addr wccp2_router_addr;
+
+
+/* END WCCP V2 */
+
+/*
+ * The functions used during startup:
+ * wccp2Init
+ * wccp2ConnectionOpen
+ * wccp2ConnectionShutdown
+ * wccp2ConnectionClose
+ */
+
+void
+wccp2Init(void)
+{
+ debug(80, 5) ("wccp2Init: Called\n");
+ if (eventFind(wccp2HereIam, NULL))
+ return;
+ change = 1;
+ wccp2_here_i_am.type = htonl(WCCP2_HERE_I_AM);
+ wccp2_here_i_am.version = htons(WCCP2_VERSION);
+ wccp2_here_i_am.length = htons(sizeof(wccp2_here_i_am)-8);
+ wccp2_here_i_am.security_type = htons(WCCP2_SECURITY_INFO);
+ wccp2_here_i_am.security_length = htons(sizeof(wccp2_here_i_am.security_option));
+ wccp2_here_i_am.security_option = htonl(WCCP2_NO_SECURITY);
+ wccp2_here_i_am.service_type = htons(WCCP2_SERVICE_INFO);
+ wccp2_here_i_am.service_length = htons(sizeof(wccp2_here_i_am.service) +
+ sizeof(wccp2_here_i_am.serviceid) +
+ sizeof(wccp2_here_i_am.service_filler));
+ wccp2_here_i_am.service = WCCP2_SERVICE_STANDARD;
+ wccp2_here_i_am.serviceid = WCCP2_SERVICE_ID_HTTP;
+ memset(&wccp2_here_i_am.service_filler, '\0', sizeof(wccp2_here_i_am.service_filler));
+ wccp2_here_i_am.cache_identity_type = htons(WCCP2_WC_ID_INFO);
+ wccp2_here_i_am.cache_identity_length = htons(sizeof(wccp2_here_i_am.cache_identity_addr) +
+ sizeof(wccp2_here_i_am.cache_identity_filler));
+ memset(&wccp2_here_i_am.cache_identity_filler, '\0', sizeof(wccp2_here_i_am.cache_identity_filler));
+ wccp2_here_i_am.cache_view_type = htons(WCCP2_WC_VIEW_INFO);
+ wccp2_here_i_am.cache_view_length = htons(sizeof(wccp2_here_i_am.cache_view_version) +
+ sizeof(wccp2_here_i_am.cache_view_num_routers)+
+ sizeof(wccp2_here_i_am.cache_view_num_caches) +
+ sizeof(wccp2_here_i_am.cache_view_rtr1_addr) +
+ sizeof(wccp2_here_i_am.cache_view_rtr1_receive_id));
+ wccp2_here_i_am.cache_view_version = htonl(1);
+ wccp2_here_i_am.cache_view_num_routers = htonl(1);
+ wccp2_here_i_am.cache_view_rtr1_addr = Config.Wccp2.router;
+ wccp2_here_i_am.cache_view_rtr1_receive_id = wccp2_router_id_element.received_id;
+ wccp2_here_i_am.cache_view_num_caches = htonl(0);
+
+
+ if (Config.Wccp2.router.s_addr != any_addr.s_addr)
+ if (!eventFind(wccp2HereIam, NULL))
+ eventAdd("wccp2HereIam", wccp2HereIam, NULL, 10.0, 1);
+}
+
+void
+wccp2ConnectionOpen(void)
+{
+ u_short port = WCCP_PORT;
+ struct sockaddr_in router, local;
+ int local_len, router_len;
+ debug(80, 5) ("wccp2ConnectionOpen: Called\n");
+ if (Config.Wccp2.router.s_addr == any_addr.s_addr) {
+ debug(1, 1) ("WCCP Disabled.\n");
+ return;
+ }
+ theInWccpConnection = comm_open(SOCK_DGRAM,
+ 0,
+ Config.Wccp2.incoming,
+ port,
+ COMM_NONBLOCKING,
+ "WCCP Socket");
+ if (theInWccpConnection < 0)
+ fatal("Cannot open WCCP Port");
+ commSetSelect(theInWccpConnection,
+ COMM_SELECT_READ,
+ wccp2HandleUdp,
+ NULL,
+ 0);
+ debug(1, 1) ("Accepting WCCP v2 messages on port %d, FD %d.\n",
+ (int) port, theInWccpConnection);
+ if (Config.Wccp2.outgoing.s_addr != no_addr.s_addr) {
+ theOutWccpConnection = comm_open(SOCK_DGRAM,
+ 0,
+ Config.Wccp2.outgoing,
+ port,
+ COMM_NONBLOCKING,
+ "WCCP Socket");
+ if (theOutWccpConnection < 0)
+ fatal("Cannot open Outgoing WCCP Port");
+ commSetSelect(theOutWccpConnection,
+ COMM_SELECT_READ,
+ wccp2HandleUdp,
+ NULL, 0);
+ debug(1, 1) ("Outgoing WCCP v2 messages on port %d, FD %d.\n",
+ (int) port, theOutWccpConnection);
+ fd_note(theOutWccpConnection, "Outgoing WCCP socket");
+ fd_note(theInWccpConnection, "Incoming WCCP socket");
+ } else {
+ theOutWccpConnection = theInWccpConnection;
+ }
+ router_len = sizeof(router);
+ memset(&router, '\0', router_len);
+ router.sin_family = AF_INET;
+ router.sin_port = htons(port);
+ router.sin_addr = Config.Wccp2.router;
+ if (connect(theOutWccpConnection, (struct sockaddr *) &router, router_len))
+ fatal("Unable to connect WCCP out socket");
+ local_len = sizeof(local);
+ memset(&local, '\0', local_len);
+ if (getsockname(theOutWccpConnection, (struct sockaddr *) &local, &local_len))
+ fatal("Unable to getsockname on WCCP out socket");
+ local_ip.s_addr = local.sin_addr.s_addr;
+}
+
+void
+wccp2ConnectionShutdown(void)
+{
+ if (theInWccpConnection < 0)
+ return;
+ if (theInWccpConnection != theOutWccpConnection) {
+ debug(80, 1) ("FD %d Closing WCCP socket\n", theInWccpConnection);
+ comm_close(theInWccpConnection);
+ }
+ assert(theOutWccpConnection > -1);
+ commSetSelect(theOutWccpConnection, COMM_SELECT_READ, NULL, NULL, 0);
+}
+
+void
+wccp2ConnectionClose(void)
+{
+ wccp2ConnectionShutdown();
+ if (theOutWccpConnection > -1) {
+ debug(80, 1) ("FD %d Closing WCCP socket\n", theOutWccpConnection);
+ comm_close(theOutWccpConnection);
+ }
+}
+
+/*
+ * Functions for handling the requests.
+ */
+
+/*
+ * Accept the UDP packet
+ */
+static void
+wccp2HandleUdp(int sock, void *not_used)
+{
+ struct sockaddr_in from;
+ socklen_t from_len;
+ int len, offset;
+ uint32_t tmp;
+
+ debug(80, 6) ("wccp2HandleUdp: Called.\n");
+
+ commSetSelect(sock, COMM_SELECT_READ, wccp2HandleUdp, NULL, 0);
+ from_len = sizeof(struct sockaddr_in);
+ memset(&from, '\0', from_len);
+ memset(&wccp2_i_see_you, '\0', sizeof(wccp2_i_see_you));
+
+ statCounter.syscalls.sock.recvfroms++;
+
+ len = recvfrom(sock,
+ &wccp2_i_see_you,
+ WCCP_RESPONSE_SIZE,
+ 0,
+ (struct sockaddr *) &from,
+ &from_len);
+
+ if (len < 0)
+ return;
+ if (Config.Wccp2.router.s_addr != from.sin_addr.s_addr)
+ return;
+ if (ntohs(wccp2_i_see_you.version) != WCCP2_VERSION)
+ return;
+ if (ntohl(wccp2_i_see_you.type) != WCCP2_I_SEE_YOU)
+ return;
+
+ debug(80, 1) ("Incoming WCCP v2 I_SEE_YOU length %d.\n",
+ ntohs(wccp2_i_see_you.length));
+ memcpy(&wccp2_item_header, &wccp2_i_see_you.data[0], sizeof(wccp2_item_header));
+ if (ntohs(wccp2_item_header.type) != WCCP2_SECURITY_INFO) {
+ debug(80,1) ("WCCP2_I_SEE_YOU missing WCCP2_SECURITY_INFO\n");
+ return;
+ }
+
+ offset = ntohs(wccp2_item_header.length) + 4;
+ memcpy(&wccp2_item_header, &wccp2_i_see_you.data[offset], sizeof(wccp2_item_header));
+ if (ntohs(wccp2_item_header.type) != WCCP2_SERVICE_INFO) {
+ debug(80,1) ("WCCP2_I_SEE_YOU missing WCCP2_SERVICE_INFO offset %d\n", offset);
+ return;
+ }
+ offset += ntohs(wccp2_item_header.length) + 4; /* Skip WCCP2_SERVICE_INFO */
+ memcpy(&wccp2_item_header, &wccp2_i_see_you.data[offset], sizeof(wccp2_item_header));
+ if (ntohs(wccp2_item_header.type) != WCCP2_ROUTER_ID_INFO) {
+ debug(80,1) ("WCCP2_I_SEE_YOU missing WCCP2_ROUTER_ID_INFO\n");
+ return;
+ }
+ memcpy(&wccp2_router_id_element, &wccp2_i_see_you.data[offset], sizeof(wccp2_router_id_element));
+ debug(80, 1) ("Incoming WCCP2_I_SEE_YOU received id = %d.\n", ntohl(wccp2_router_id_element.received_id));
+
+ wccp2_router_addr = wccp2_router_id_element.router_addr;
+ wccp2_received_id = wccp2_router_id_element.received_id;
+
+ offset += ntohs(wccp2_router_id_element.length) + 4;
+ memcpy (&wccp2_router_info, &wccp2_i_see_you.data[offset], sizeof(wccp2_router_info));
+
+ debug(80, 1) ("Incoming WCCP2_I_SEE_YOU member change = %d tmp=%d.\n", change,ntohl(wccp2_router_info.member_change));
+ if (!change) {
+ change = ntohl(wccp2_router_info.member_change);
+ debug(80, 1) ("Incoming WCCP2_I_SEE_YOU member change = %d.\n", change);
+ return;
+ }
+ if (change != ntohl(wccp2_router_info.member_change)) {
+ change = ntohl(wccp2_router_info.member_change);
+ if (wccp2LowestIP())
+ if (!eventFind(wccp2AssignBuckets, NULL))
+ eventAdd("wccp2AssignBuckets", wccp2AssignBuckets, NULL, 25.0, 1);
+ }
+}
+
+static int
+wccp2LowestIP(void)
+{
+/* Force Election for now
+ int loop;
+ for (loop = 0; loop < ntohl(wccp2_i_see_you.number); loop++) {
+ if (wccp2_i_see_you.wccp2_cache_entry[loop].ip_addr.s_addr < local_ip.s_addr)
+ return 0;
+ }
+*/
+ return 1;
+}
+
+static void
+wccp2HereIam(void *voidnotused)
+{
+ debug(80, 6) ("wccp2HereIam: Called\n");
+
+ wccp2_here_i_am.cache_identity_addr = local_ip;
+ wccp2_here_i_am.id = wccp2_i_see_you.id;
+ wccp2_here_i_am.cache_view_rtr1_receive_id = wccp2_received_id;
+ wccp2_here_i_am.cache_view_rtr1_addr = wccp2_router_addr;
+ send(theOutWccpConnection,
+ &wccp2_here_i_am,
+ sizeof(wccp2_here_i_am),
+ 0);
+
+ if (!eventFind(wccp2HereIam, NULL))
+ eventAdd("wccp2HereIam", wccp2HereIam, NULL, 10.0, 1);
+}
+
+static void
+wccp2AssignBuckets(void *voidnotused)
+{
+ struct wccp2_assign_bucket_t wccp2_assign_bucket;
+ int buckets_per_cache;
+ int loop;
+ int number_caches;
+ int bucket = 0;
+ int *caches;
+ int offset;
+ char buckets[WCCP_BUCKETS];
+ char *buf;
+
+ debug(80, 6) ("wccp2AssignBuckets: Called\n");
+ debug(80, 1) ("WCCP2 Assigning Redirect\n");
+ memset(&wccp2_redirect_assign.buckets, '\0', sizeof(wccp2_redirect_assign.buckets));
+ memset(&wccp2_redirect_assign.buckets, 0xFF, WCCP_BUCKETS);
+ for (bucket = 0; bucket < WCCP_BUCKETS; bucket++) {
+ wccp2_redirect_assign.buckets[bucket] = 0;
+ }
+ wccp2_redirect_assign.type = htonl(WCCP2_REDIRECT_ASSIGN);
+ wccp2_redirect_assign.version = htons(WCCP2_VERSION);
+ wccp2_redirect_assign.length = htons(sizeof(wccp2_redirect_assign)-8);
+ wccp2_redirect_assign.security_type = htons(WCCP2_SECURITY_INFO);
+ wccp2_redirect_assign.security_length = htons(sizeof(wccp2_redirect_assign.security_option));
+ wccp2_redirect_assign.security_option = htonl(WCCP2_NO_SECURITY);
+ wccp2_redirect_assign.service_type = htons(WCCP2_SERVICE_INFO);
+ wccp2_redirect_assign.service_length = htons(sizeof(wccp2_redirect_assign.service) +
+ sizeof(wccp2_redirect_assign.serviceid) +
+ sizeof(wccp2_redirect_assign.service_filler));
+ wccp2_redirect_assign.service = WCCP2_SERVICE_STANDARD;
+ wccp2_redirect_assign.serviceid = WCCP2_SERVICE_ID_HTTP;
+ memset(&wccp2_redirect_assign.service_filler, '\0', sizeof(wccp2_redirect_assign.service_filler));
+ wccp2_redirect_assign.assignment_type = htons(WCCP2_REDIRECT_ASSIGNMENT);
+ wccp2_redirect_assign.assignment_length =
+ htons(sizeof(wccp2_redirect_assign.assignment_key) +
+ sizeof(wccp2_redirect_assign.assignment_key_change) +
+ sizeof(wccp2_redirect_assign.assignment_num_routers) +
+ sizeof(wccp2_redirect_assign.assignment_router1_addr) +
+ sizeof(wccp2_redirect_assign.assignment_router1_receive_id) +
+ sizeof(wccp2_redirect_assign.assignment_router1_change_number) +
+ sizeof(wccp2_redirect_assign.assignment_num_caches) +
+ sizeof(wccp2_redirect_assign.assignment_cache1_addr) +
+ sizeof(wccp2_redirect_assign.buckets));
+ wccp2_redirect_assign.assignment_key = wccp2_here_i_am.cache_identity_addr;
+ wccp2_redirect_assign.assignment_key_change = htonl(change);
+ wccp2_redirect_assign.assignment_num_routers = htonl(1);
+ wccp2_redirect_assign.assignment_router1_addr = wccp2_router_addr;
+ wccp2_redirect_assign.assignment_router1_receive_id = wccp2_received_id;
+ wccp2_redirect_assign.assignment_router1_change_number = htonl(change);
+ wccp2_redirect_assign.assignment_num_caches = htonl(1);
+ wccp2_redirect_assign.assignment_cache1_addr = wccp2_here_i_am.cache_identity_addr;
+
+ send(theOutWccpConnection,
+ &wccp2_redirect_assign,
+ sizeof(wccp2_redirect_assign),
+ 0);
+ change = 0;
+}
+
+#endif /* USE_WCCPv2 */