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
|
/*
* add_sr.cc
* Copyright (C) 2000 by the University of Southern California
* $Id: add_sr.cc,v 1.4 2010/03/08 05:54:50 tom_henderson 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.
*
*/
//
// Other copyrights might apply to parts of this software and are so
// noted when applicable.
/*
add_sr.cc
add a compiled constant source route to a packet.
for testing purposes
Ported from CMU/Monarch's code, appropriate copyright applies.
*/
#include <packet.h>
#include <ip.h>
#include "hdr_sr.h"
#include <connector.h>
class AddSR : public Connector {
public:
void recv(Packet*, Handler* callback = 0);
AddSR();
private:
int off_ip_;
int off_sr_;
int off_ll_;
int off_mac_;
};
static class AddSRClass : public TclClass {
public:
AddSRClass() : TclClass("Connector/AddSR") {}
TclObject* create(int, const char*const*) {
return (new AddSR);
}
} class_addsr;
AddSR::AddSR()
{
bind("off_sr_", &off_sr_);
bind("off_ll_", &off_ll_);
bind("off_mac_", &off_mac_);
bind("off_ip_", &off_ip_);
}
void
AddSR::recv(Packet* p, Handler* )
{
hdr_sr *srh = hdr_sr::access(p);
srh->route_request() = 0;
srh->num_addrs() = 0;
srh->cur_addr() = 0;
srh->valid() = 1;
srh->append_addr( 1<<8, NS_AF_INET );
srh->append_addr( 2<<8, NS_AF_INET );
srh->append_addr( 3<<8, NS_AF_INET );
printf(" added sr %s\n",srh->dump());
send(p,0);
}
|
