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Tvbuffify the RSVP dissector. 

Display the message checksum, and check it if possible.

Fix some IPv6 entries to be 16 bytes long, not 4 bytes long.

Make the routine to fetch an IEEE floating point number and turn it into
a "long" take a tvbuff pointer and offset rather than a pointer to data.

svn path=/trunk/; revision=2987
This commit is contained in:
Guy Harris 2001-02-04 08:21:35 +00:00
parent ebba9ea2d0
commit 52bf014948
3 changed files with 708 additions and 927 deletions
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8
ieee-float.h
View File

@ -1,13 +1,13 @@
/**********************************************************************
*
* ieee_float.h
* ieee-float.h
*
* Implements simple stuff to convert from IEEE float types
* to 32-bit longs
*
* (C) Ashok Narayanan, 2000
*
* $Id: ieee-float.h,v 1.1 2000/03/09 18:31:50 ashokn Exp $
* $Id: ieee-float.h,v 1.2 2001/02/04 08:21:35 guy Exp $
*
* For license details, see the COPYING file with this distribution
*
@ -42,14 +42,14 @@ static inline int ieee_float_is_zero (long number)
/*
* simple conversion: ieee floating point to long
*/
static long pieee_to_long (const void *p)
static long tvb_ieee_to_long (tvbuff_t *tvb, int offset)
{
long number;
long sign;
long exponent;
long mantissa;
number = pntohl(p);
number = tvb_get_ntohl(tvb, offset);
sign = number & IEEE_SIGN_MASK;
exponent = number & IEEE_EXPONENT_MASK;
mantissa = number & IEEE_MANTISSA_MASK;

8
packet-ospf.c
View File

@ -2,7 +2,7 @@
* Routines for OSPF packet disassembly
* (c) Copyright Hannes R. Boehm <hannes@boehm.org>
*
* $Id: packet-ospf.c,v 1.36 2001/01/22 03:33:45 guy Exp $
* $Id: packet-ospf.c,v 1.37 2001/02/04 08:21:35 guy Exp $
*
* At this time, this module is able to analyze OSPF
* packets as specified in RFC2328. MOSPF (RFC1584) and other
@ -621,14 +621,14 @@ dissect_ospf_lsa_mpls(tvbuff_t *tvb, int offset, proto_tree *tree,
case MPLS_LINK_MAX_RES_BW:
ti = proto_tree_add_text(tlv_tree, tvb, stlv_offset, stlv_len+4,
"%s: %ld", stlv_name,
pieee_to_long(tvb_get_ptr(tvb, stlv_offset + 4, 4)));
tvb_ieee_to_long(tvb, stlv_offset + 4));
stlv_tree = proto_item_add_subtree(ti, ett_ospf_lsa_mpls_link_stlv);
proto_tree_add_text(stlv_tree, tvb, stlv_offset, 2,
"TLV Type: %u: %s", stlv_type, stlv_name);
proto_tree_add_text(stlv_tree, tvb, stlv_offset+2, 2, "TLV Length: %u",
stlv_len);
proto_tree_add_text(stlv_tree, tvb, stlv_offset+4, 4, "%s: %ld", stlv_name,
pieee_to_long(tvb_get_ptr(tvb, stlv_offset + 4, 4)));
tvb_ieee_to_long(tvb, stlv_offset + 4));
break;
case MPLS_LINK_UNRES_BW:
@ -642,7 +642,7 @@ dissect_ospf_lsa_mpls(tvbuff_t *tvb, int offset, proto_tree *tree,
for (i = 0; i < 8; i++) {
proto_tree_add_text(stlv_tree, tvb, stlv_offset+4+(i*4), 4,
"Pri %d: %ld", i,
pieee_to_long(tvb_get_ptr(tvb, stlv_offset + 4 + i*4, 4)));
tvb_ieee_to_long(tvb, stlv_offset + 4 + i*4));
}
break;

1619
packet-rsvp.c
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