1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*-
/*
* Copyright (C) 1997 by the University of Southern California
* $Id: rtProtoDV.cc,v 1.9 2005/08/25 18:58:12 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvsroot/nsnam/ns-2/routing/rtProtoDV.cc,v 1.9 2005/08/25 18:58:12 johnh Exp $ (USC/ISI)";
#endif
#include "agent.h"
#include "rtProtoDV.h"
int hdr_DV::offset_;
static class rtDVHeaderClass : public PacketHeaderClass {
public:
rtDVHeaderClass() : PacketHeaderClass("PacketHeader/rtProtoDV",
sizeof(hdr_DV)) {
bind_offset(&hdr_DV::offset_);
}
} class_rtProtoDV_hdr;
static class rtProtoDVclass : public TclClass {
public:
rtProtoDVclass() : TclClass("Agent/rtProto/DV") {}
TclObject* create(int, const char*const*) {
return (new rtProtoDV);
}
} class_rtProtoDV;
int rtProtoDV::command(int argc, const char*const* argv)
{
if (strcmp(argv[1], "send-update") == 0) {
ns_addr_t dst;
dst.addr_ = atoi(argv[2]);
dst.port_ = atoi(argv[3]);
u_int32_t mtvar = atoi(argv[4]);
u_int32_t size = atoi(argv[5]);
sendpkt(dst, mtvar, size);
return TCL_OK;
}
return Agent::command(argc, argv);
}
void rtProtoDV::sendpkt(ns_addr_t dst, u_int32_t mtvar, u_int32_t size)
{
daddr() = dst.addr_;
dport() = dst.port_;
size_ = size;
Packet* p = Agent::allocpkt();
hdr_DV *rh = hdr_DV::access(p);
rh->metricsVar() = mtvar;
target_->recv(p);
}
void rtProtoDV::recv(Packet* p, Handler*)
{
hdr_DV* rh = hdr_DV::access(p);
hdr_ip* ih = hdr_ip::access(p);
Tcl::instance().evalf("%s recv-update %d %d", name(),
ih->saddr(), rh->metricsVar());
Packet::free(p);
}
|
