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/*
* Copyright (c) 2013 Romain Francoise <romain@orebokech.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* \summary: MS Network Load Balancing's (NLB) heartbeat printer */
#include <config.h>
#include "netdissect-stdinc.h"
#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
struct msnlb_heartbeat_pkt {
nd_byte unknown1[4];
nd_byte unknown2[4];
nd_uint32_t host_prio; /* little-endian */
nd_ipv4 virtual_ip;
nd_ipv4 host_ip;
/* the protocol is undocumented so we ignore the rest */
};
void
msnlb_print(netdissect_options *ndo, const u_char *bp)
{
const struct msnlb_heartbeat_pkt *hb;
ndo->ndo_protocol = "msnlb";
hb = (const struct msnlb_heartbeat_pkt *)bp;
ND_PRINT("MS NLB heartbeat");
ND_PRINT(", host priority: %u", GET_LE_U_4((hb->host_prio)));
ND_PRINT(", cluster IP: %s", GET_IPADDR_STRING(hb->virtual_ip));
ND_PRINT(", host IP: %s", GET_IPADDR_STRING(hb->host_ip));
}
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