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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 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <netdissect-stdinc.h>
#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
struct msnlb_heartbeat_pkt {
uint32_t unknown1;
uint32_t unknown2;
uint32_t host_prio; /* little-endian */
uint32_t virtual_ip;
uint32_t 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;
hb = (const struct msnlb_heartbeat_pkt *)bp;
ND_TCHECK(*hb);
ND_PRINT((ndo, "MS NLB heartbeat, host priority: %u,",
EXTRACT_LE_32BITS(&(hb->host_prio))));
ND_PRINT((ndo, " cluster IP: %s,", ipaddr_string(ndo, &(hb->virtual_ip))));
ND_PRINT((ndo, " host IP: %s", ipaddr_string(ndo, &(hb->host_ip))));
return;
trunc:
ND_PRINT((ndo, "[|MS NLB]"));
}
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