tcpdump/print-calm-fast.c
2018-01-07 13:36:41 +01:00

77 lines
1.8 KiB
C

/*
* Copyright (c) 2013 The TCPDUMP project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code
* distributions retain the above copyright notice and this paragraph
* in its entirety, and (2) distributions including binary code include
* the above copyright notice and this paragraph in its entirety in
* the documentation or other materials provided with the distribution.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* Original code by Ola Martin Lykkja (ola.lykkja@q-free.com)
*/
/* \summary: Communication access for land mobiles (CALM) printer */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <netdissect-stdinc.h>
#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
/*
ISO 29281:2009
Intelligent Transport Systems . Communications access for land mobiles (CALM)
CALM non-IP networking
*/
/*
* This is the top level routine of the printer. 'bp' points
* to the calm header of the packet.
*/
void
calm_fast_print(netdissect_options *ndo, const u_char *bp, u_int length, const struct lladdr_info *src)
{
int srcNwref;
int dstNwref;
ND_TCHECK_2(bp);
if (length < 2)
goto trunc;
srcNwref = EXTRACT_U_1(bp);
dstNwref = EXTRACT_U_1(bp + 1);
length -= 2;
bp += 2;
ND_PRINT("CALM FAST");
if (src != NULL)
ND_PRINT(" src:%s", (src->addr_string)(ndo, src->addr));
ND_PRINT("; ");
ND_PRINT("SrcNwref:%d; ", srcNwref);
ND_PRINT("DstNwref:%d; ", dstNwref);
if (ndo->ndo_vflag)
ND_DEFAULTPRINT(bp, length);
return;
trunc:
ND_PRINT("[|calm fast]");
return;
}
/*
* Local Variables:
* c-style: whitesmith
* c-basic-offset: 8
* End:
*/