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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
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|
1 |
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
2 |
/*
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
3 |
* Copyright (c) 2006 INRIA
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
4 |
* All rights reserved.
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
5 |
*
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
6 |
* This program is free software; you can redistribute it and/or modify
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
7 |
* it under the terms of the GNU General Public License version 2 as
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
8 |
* published by the Free Software Foundation;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
9 |
*
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
10 |
* This program is distributed in the hope that it will be useful,
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
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|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
13 |
* GNU General Public License for more details.
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
14 |
*
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
16 |
* along with this program; if not, write to the Free Software
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
17 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
18 |
*
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
19 |
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
20 |
*/
|
286
|
21 |
#include "ns3/assert.h"
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
22 |
#include "ns3/packet.h"
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
23 |
#include "ns3/simulator.h"
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
24 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
25 |
#include "arp-cache.h"
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
26 |
#include "arp-header.h"
|
1341
f685d4bf320f
use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
27 |
#include "ipv4-interface.h"
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
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|
28 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
29 |
namespace ns3 {
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
30 |
|
1341
f685d4bf320f
use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
31 |
ArpCache::ArpCache (Ptr<NetDevice> device, Ptr<Ipv4Interface> interface)
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
32 |
: m_device (device),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
33 |
m_interface (interface),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
34 |
m_aliveTimeout (Seconds (120)),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
35 |
m_deadTimeout (Seconds (100)),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
36 |
m_waitReplyTimeout (Seconds (1))
|
568
e1660959ecbb
use Ptr<> everywhere Object or NsUnknown are used
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
37 |
{}
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
38 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
39 |
ArpCache::~ArpCache ()
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
40 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
41 |
Flush ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
42 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
43 |
|
568
e1660959ecbb
use Ptr<> everywhere Object or NsUnknown are used
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
44 |
Ptr<NetDevice>
|
e1660959ecbb
use Ptr<> everywhere Object or NsUnknown are used
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
45 |
ArpCache::GetDevice (void) const
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
46 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
47 |
return m_device;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
48 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
49 |
|
1341
f685d4bf320f
use the Object::GetTraceResolver tracing support rather than the old adhoc tracing code
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
diff
changeset
|
50 |
Ptr<Ipv4Interface>
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
51 |
ArpCache::GetInterface (void) const
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
52 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
53 |
return m_interface;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
54 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
55 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
56 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
57 |
ArpCache::SetAliveTimeout (Time aliveTimeout)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
58 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
59 |
m_aliveTimeout = aliveTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
60 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
61 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
62 |
ArpCache::SetDeadTimeout (Time deadTimeout)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
63 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
64 |
m_deadTimeout = deadTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
65 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
66 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
67 |
ArpCache::SetWaitReplyTimeout (Time waitReplyTimeout)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
68 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
69 |
m_waitReplyTimeout = waitReplyTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
70 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
71 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
72 |
Time
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
73 |
ArpCache::GetAliveTimeout (void) const
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
74 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
75 |
return m_aliveTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
76 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
77 |
Time
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
78 |
ArpCache::GetDeadTimeout (void) const
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
79 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
80 |
return m_deadTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
81 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
82 |
Time
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
83 |
ArpCache::GetWaitReplyTimeout (void) const
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
84 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
85 |
return m_waitReplyTimeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
86 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
87 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
88 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
89 |
ArpCache::Flush (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
90 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
91 |
for (CacheI i = m_arpCache.begin (); i != m_arpCache.end (); i++)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
92 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
93 |
delete (*i).second;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
94 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
95 |
m_arpCache.erase (m_arpCache.begin (), m_arpCache.end ());
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
96 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
97 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
98 |
ArpCache::Entry *
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
99 |
ArpCache::Lookup (Ipv4Address to)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
100 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
101 |
if (m_arpCache.find (to) != m_arpCache.end ())
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
102 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
103 |
ArpCache::Entry *entry = m_arpCache[to];
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
104 |
return entry;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
105 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
106 |
return 0;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
107 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
108 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
109 |
ArpCache::Entry *
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
110 |
ArpCache::Add (Ipv4Address to)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
111 |
{
|
933
df68dad55087
WAF: add a --command-template option to e.g. allow running programs with valgrind, gdb, etc.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
diff
changeset
|
112 |
NS_ASSERT (m_arpCache.find (to) == m_arpCache.end ());
|
df68dad55087
WAF: add a --command-template option to e.g. allow running programs with valgrind, gdb, etc.
Gustavo J. A. M. Carneiro <gjc@inescporto.pt>
diff
changeset
|
113 |
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
114 |
ArpCache::Entry *entry = new ArpCache::Entry (this);
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
115 |
m_arpCache[to] = entry;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
116 |
return entry;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
117 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
118 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
119 |
ArpCache::Entry::Entry (ArpCache *arp)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
120 |
: m_arp (arp),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
121 |
m_state (ALIVE),
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
122 |
m_waiting ()
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
123 |
{}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
124 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
125 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
126 |
bool
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
127 |
ArpCache::Entry::IsDead (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
128 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
129 |
return (m_state == DEAD)?true:false;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
130 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
131 |
bool
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
132 |
ArpCache::Entry::IsAlive (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
133 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
134 |
return (m_state == ALIVE)?true:false;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
135 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
136 |
bool
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
137 |
ArpCache::Entry::IsWaitReply (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
138 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
139 |
return (m_state == WAIT_REPLY)?true:false;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
140 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
141 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
142 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
143 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
144 |
ArpCache::Entry::MarkDead (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
145 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
146 |
m_state = DEAD;
|
286
|
147 |
//NS_ASSERT (m_waiting != 0);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
148 |
UpdateSeen ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
149 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
150 |
Packet
|
1161
|
151 |
ArpCache::Entry::MarkAlive (Address macAddress)
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
152 |
{
|
286
|
153 |
NS_ASSERT (m_state == WAIT_REPLY);
|
|
154 |
//NS_ASSERT (m_waiting != 0);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
155 |
m_macAddress = macAddress;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
156 |
m_state = ALIVE;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
157 |
UpdateSeen ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
158 |
Packet waiting = m_waiting;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
159 |
//m_waiting = 0;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
160 |
return waiting;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
161 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
162 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
163 |
Packet
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
164 |
ArpCache::Entry::UpdateWaitReply (Packet waiting)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
165 |
{
|
286
|
166 |
NS_ASSERT (m_state == WAIT_REPLY);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
167 |
/* We are already waiting for an answer so
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
168 |
* we dump the previously waiting packet and
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
169 |
* replace it with this one.
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
170 |
*/
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
171 |
Packet old = m_waiting;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
172 |
m_waiting = waiting;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
173 |
return old;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
174 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
175 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
176 |
ArpCache::Entry::MarkWaitReply (Packet waiting)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
177 |
{
|
286
|
178 |
NS_ASSERT (m_state == ALIVE || m_state == DEAD);
|
|
179 |
//NS_ASSERT (m_waiting == 0);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
180 |
m_state = WAIT_REPLY;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
181 |
m_waiting = waiting;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
182 |
UpdateSeen ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
183 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
184 |
|
1161
|
185 |
Address
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
186 |
ArpCache::Entry::GetMacAddress (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
187 |
{
|
286
|
188 |
NS_ASSERT (m_state == ALIVE);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
189 |
return m_macAddress;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
190 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
191 |
bool
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
192 |
ArpCache::Entry::IsExpired (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
193 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
194 |
Time timeout;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
195 |
switch (m_state) {
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
196 |
case ArpCache::Entry::WAIT_REPLY:
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
197 |
timeout = m_arp->GetWaitReplyTimeout ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
198 |
break;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
199 |
case ArpCache::Entry::DEAD:
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
200 |
timeout = m_arp->GetDeadTimeout ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
201 |
break;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
202 |
case ArpCache::Entry::ALIVE:
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
203 |
timeout = m_arp->GetAliveTimeout ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
204 |
break;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
205 |
default:
|
286
|
206 |
NS_ASSERT (false);
|
242
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
207 |
timeout = Seconds (0);
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
208 |
/* NOTREACHED */
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
209 |
break;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
210 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
211 |
Time delta = Simulator::Now () - m_lastSeen;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
212 |
if (delta >= timeout)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
213 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
214 |
return true;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
215 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
216 |
else
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
217 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
218 |
return false;
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
219 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
220 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
221 |
void
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
222 |
ArpCache::Entry::UpdateSeen (void)
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
223 |
{
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
224 |
m_lastSeen = Simulator::Now ();
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
225 |
}
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
226 |
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
227 |
} // namespace ns3
|
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
228 |
|