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ipv4-route.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 University of Washington
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  */
19 
20 #include "ipv4-route.h"
21 #include "ns3/net-device.h"
22 #include "ns3/assert.h"
23 #include "ns3/log.h"
24 
25 NS_LOG_COMPONENT_DEFINE ("Ipv4Route");
26 
27 namespace ns3 {
28 
30 {
31  NS_LOG_FUNCTION (this);
32 }
33 
34 void
36 {
37  NS_LOG_FUNCTION (this << dest);
38  m_dest = dest;
39 }
40 
43 {
44  NS_LOG_FUNCTION (this);
45  return m_dest;
46 }
47 
48 void
50 {
51  NS_LOG_FUNCTION (this << src);
52  m_source = src;
53 }
54 
57 {
58  NS_LOG_FUNCTION (this);
59  return m_source;
60 }
61 
62 void
64 {
65  NS_LOG_FUNCTION (this << gw);
66  m_gateway = gw;
67 }
68 
71 {
72  NS_LOG_FUNCTION (this);
73  return m_gateway;
74 }
75 
76 void
78 {
79  NS_LOG_FUNCTION (this << outputDevice);
80  m_outputDevice = outputDevice;
81 }
82 
85 {
86  NS_LOG_FUNCTION (this);
87  return m_outputDevice;
88 }
89 
90 std::ostream& operator<< (std::ostream& os, Ipv4Route const& route)
91 {
92  os << "source=" << route.GetSource () << " dest="<< route.GetDestination () <<" gw=" << route.GetGateway ();
93  return os;
94 }
95 
97 {
98  NS_LOG_FUNCTION (this);
99  m_ttls.clear ();
100 }
101 
102 void
104 {
105  NS_LOG_FUNCTION (this << group);
106  m_group = group;
107 }
108 
111 {
112  NS_LOG_FUNCTION (this);
113  return m_group;
114 }
115 
116 void
118 {
119  NS_LOG_FUNCTION (this << origin);
120  m_origin = origin;
121 }
122 
125 {
126  NS_LOG_FUNCTION (this);
127  return m_origin;
128 }
129 
130 void
132 {
133  NS_LOG_FUNCTION (this << parent);
134  m_parent = parent;
135 }
136 
137 uint32_t
139 {
140  NS_LOG_FUNCTION (this);
141  return m_parent;
142 }
143 
144 void
145 Ipv4MulticastRoute::SetOutputTtl (uint32_t oif, uint32_t ttl)
146 {
147  NS_LOG_FUNCTION (this << oif << ttl);
148  if (ttl >= MAX_TTL)
149  {
150  // This TTL value effectively disables the interface
151  std::map<uint32_t, uint32_t>::iterator iter;
152  iter = m_ttls.find (oif);
153  if (iter != m_ttls.end ())
154  {
155  m_ttls.erase (iter);
156  }
157  }
158  else
159  {
160  m_ttls[oif] = ttl;
161  }
162 }
163 
164 uint32_t
166 {
167  NS_LOG_FUNCTION (this << oif);
168  // We keep this interface around for compatibility (for now)
169  std::map<uint32_t, uint32_t>::const_iterator iter = m_ttls.find (oif);
170  if (iter == m_ttls.end ())
171  return((uint32_t)MAX_TTL);
172  return(iter->second);
173 }
174 
175 std::map<uint32_t, uint32_t>
177 {
178  NS_LOG_FUNCTION (this);
179  return(m_ttls);
180 }
181 
182 } // namespace ns3
smart pointer class similar to boost::intrusive_ptr
Definition: ptr.h:59
#define NS_LOG_FUNCTION(parameters)
Definition: log.h:345
void SetOrigin(const Ipv4Address origin)
Definition: ipv4-route.cc:117
void SetGroup(const Ipv4Address group)
Definition: ipv4-route.cc:103
Ipv4Address m_gateway
Gateway address.
Definition: ipv4-route.h:94
void SetParent(uint32_t iif)
Definition: ipv4-route.cc:131
void SetSource(Ipv4Address src)
Definition: ipv4-route.cc:49
Ptr< NetDevice > GetOutputDevice(void) const
Definition: ipv4-route.cc:84
NS_LOG_COMPONENT_DEFINE("Ipv4Route")
void SetGateway(Ipv4Address gw)
Definition: ipv4-route.cc:63
Ipv4Address GetSource(void) const
Definition: ipv4-route.cc:56
Ipv4Address m_source
Source address.
Definition: ipv4-route.h:93
Ipv4Address m_origin
Source of packet.
Definition: ipv4-route.h:169
Ipv4Address GetGateway(void) const
Definition: ipv4-route.cc:70
std::ostream & operator<<(std::ostream &os, const Angles &a)
print a struct Angles to output
Definition: angles.cc:43
Ipv4 route cache entry (similar to Linux struct rtable)
Definition: ipv4-route.h:42
void SetOutputDevice(Ptr< NetDevice > outputDevice)
Equivalent in Linux to dst_entry.dev.
Definition: ipv4-route.cc:77
Ipv4Address GetDestination(void) const
Definition: ipv4-route.cc:42
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:38
std::map< uint32_t, uint32_t > m_ttls
Time to Live container.
Definition: ipv4-route.h:171
Ipv4Address GetOrigin(void) const
Definition: ipv4-route.cc:124
std::map< uint32_t, uint32_t > GetOutputTtlMap() const
Definition: ipv4-route.cc:176
uint32_t m_parent
Source interface.
Definition: ipv4-route.h:170
uint32_t GetOutputTtl(uint32_t oif) NS_DEPRECATED
Definition: ipv4-route.cc:165
Ipv4Address m_group
Group.
Definition: ipv4-route.h:168
Ptr< NetDevice > m_outputDevice
Output device.
Definition: ipv4-route.h:95
Ipv4Address GetGroup(void) const
Definition: ipv4-route.cc:110
uint32_t GetParent(void) const
Definition: ipv4-route.cc:138
static const uint32_t MAX_TTL
Maximum time-to-live (TTL)
Definition: ipv4-route.h:165
void SetOutputTtl(uint32_t oif, uint32_t ttl)
Definition: ipv4-route.cc:145
void SetDestination(Ipv4Address dest)
Definition: ipv4-route.cc:35
Ipv4Address m_dest
Destination address.
Definition: ipv4-route.h:92