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Diffstat (limited to 'contrib/tcpdump/print-msnlb.c')
-rw-r--r-- | contrib/tcpdump/print-msnlb.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/tcpdump/print-msnlb.c b/contrib/tcpdump/print-msnlb.c new file mode 100644 index 0000000..4c5fb0c --- /dev/null +++ b/contrib/tcpdump/print-msnlb.c @@ -0,0 +1,66 @@ +/* + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <tcpdump-stdinc.h> + +#include <stdio.h> +#include <string.h> + +#include "netdissect.h" +#include "addrtoname.h" +#include "extract.h" + +struct msnlb_heartbeat_pkt { + u_int32_t unknown1; + u_int32_t unknown2; + u_int32_t host_prio; /* little-endian */ + u_int32_t virtual_ip; + u_int32_t host_ip; + /* the protocol is undocumented so we ignore the rest */ +}; + +void +msnlb_print(netdissect_options *ndo, const u_char *bp, u_int length) +{ + const struct msnlb_heartbeat_pkt *hb; + + hb = (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(&(hb->virtual_ip)))); + ND_PRINT((ndo, " host IP: %s", ipaddr_string(&(hb->host_ip)))); + return; +trunc: + ND_PRINT((ndo, "[|MS NLB]")); +} |