1228753Smm/* 2228753Smm * Copyright (c) 2013 Romain Francoise <romain@orebokech.com> 3228753Smm * 4228753Smm * Redistribution and use in source and binary forms, with or without 5228753Smm * modification, are permitted provided that the following conditions 6228753Smm * are met: 7228753Smm * 1. Redistributions of source code must retain the above copyright 8228753Smm * notice, this list of conditions and the following disclaimer. 9228753Smm * 2. Redistributions in binary form must reproduce the above copyright 10228753Smm * notice, this list of conditions and the following disclaimer in the 11228753Smm * documentation and/or other materials provided with the distribution. 12228753Smm * 3. Neither the name of the project nor the names of its contributors 13228753Smm * may be used to endorse or promote products derived from this software 14228753Smm * without specific prior written permission. 15228753Smm * 16228753Smm * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17228753Smm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18228753Smm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19228753Smm * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 20228753Smm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21228753Smm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22228753Smm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23228753Smm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24228753Smm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25228753Smm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26228753Smm * SUCH DAMAGE. 27228763Smm */ 28228753Smm 29228753Smm#ifdef HAVE_CONFIG_H 30228753Smm#include "config.h" 31228753Smm#endif 32228753Smm 33228753Smm#include <tcpdump-stdinc.h> 34228753Smm 35228753Smm#include <stdio.h> 36228753Smm#include <string.h> 37228753Smm 38228753Smm#include "netdissect.h" 39228753Smm#include "addrtoname.h" 40228753Smm#include "extract.h" 41228753Smm 42228753Smmstruct msnlb_heartbeat_pkt { 43228753Smm u_int32_t unknown1; 44228753Smm u_int32_t unknown2; 45228753Smm u_int32_t host_prio; /* little-endian */ 46228753Smm u_int32_t virtual_ip; 47228753Smm u_int32_t host_ip; 48228753Smm /* the protocol is undocumented so we ignore the rest */ 49228753Smm}; 50228753Smm 51228753Smmvoid 52228753Smmmsnlb_print(netdissect_options *ndo, const u_char *bp, u_int length) 53228753Smm{ 54228753Smm const struct msnlb_heartbeat_pkt *hb; 55228753Smm 56228753Smm hb = (struct msnlb_heartbeat_pkt *)bp; 57228753Smm ND_TCHECK(*hb); 58228753Smm 59228753Smm ND_PRINT((ndo, "MS NLB heartbeat, host priority: %u,", 60228753Smm EXTRACT_LE_32BITS(&(hb->host_prio)))); 61228753Smm ND_PRINT((ndo, " cluster IP: %s,", ipaddr_string(&(hb->virtual_ip)))); 62228753Smm ND_PRINT((ndo, " host IP: %s", ipaddr_string(&(hb->host_ip)))); 63228753Smm return; 64228753Smmtrunc: 65228753Smm ND_PRINT((ndo, "[|MS NLB]")); 66228753Smm} 67228753Smm