The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 2 | * Copyright (c) 2013 Romain Francoise <romain@orebokech.com> |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * 3. Neither the name of the project nor the names of its contributors |
| 13 | * may be used to endorse or promote products derived from this software |
| 14 | * without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 29 | #ifdef HAVE_CONFIG_H |
| 30 | #include "config.h" |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 31 | #endif |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 32 | |
| 33 | #include <tcpdump-stdinc.h> |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include "netdissect.h" |
| 39 | #include "addrtoname.h" |
| 40 | #include "extract.h" |
| 41 | |
| 42 | struct msnlb_heartbeat_pkt { |
| 43 | u_int32_t unknown1; |
| 44 | u_int32_t unknown2; |
| 45 | u_int32_t host_prio; /* little-endian */ |
| 46 | u_int32_t virtual_ip; |
| 47 | u_int32_t host_ip; |
| 48 | /* the protocol is undocumented so we ignore the rest */ |
| 49 | }; |
| 50 | |
| 51 | void |
| 52 | msnlb_print(netdissect_options *ndo, const u_char *bp) |
| 53 | { |
| 54 | const struct msnlb_heartbeat_pkt *hb; |
| 55 | |
| 56 | hb = (struct msnlb_heartbeat_pkt *)bp; |
| 57 | ND_TCHECK(*hb); |
| 58 | |
| 59 | ND_PRINT((ndo, "MS NLB heartbeat, host priority: %u,", |
| 60 | EXTRACT_LE_32BITS(&(hb->host_prio)))); |
| 61 | ND_PRINT((ndo, " cluster IP: %s,", ipaddr_string(&(hb->virtual_ip)))); |
| 62 | ND_PRINT((ndo, " host IP: %s", ipaddr_string(&(hb->host_ip)))); |
| 63 | return; |
| 64 | trunc: |
| 65 | ND_PRINT((ndo, "[|MS NLB]")); |
| 66 | } |