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ipv4-packet-info-tag.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2010 Hajime Tazaki
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  * Authors: Hajime Tazaki <tazaki@sfc.wide.ad.jp>
19  */
20 
21 
22 #include <stdint.h>
23 #include "ns3/ipv4-address.h"
24 #include "ipv4-packet-info-tag.h"
25 #include "ns3/log.h"
26 
27 NS_LOG_COMPONENT_DEFINE ("Ipv4PacketInfoTag");
28 
29 namespace ns3 {
30 
31 Ipv4PacketInfoTag::Ipv4PacketInfoTag ()
32  : m_addr (Ipv4Address ()),
33  m_spec_dst (Ipv4Address ()),
34  m_ifindex (0),
35  m_ttl (0)
36 {
37  NS_LOG_FUNCTION (this);
38 }
39 
40 void
41 Ipv4PacketInfoTag::SetAddress (Ipv4Address addr)
42 {
43  NS_LOG_FUNCTION (this << addr);
44  m_addr = addr;
45 }
46 
47 Ipv4Address
48 Ipv4PacketInfoTag::GetAddress (void) const
49 {
50  NS_LOG_FUNCTION (this);
51  return m_addr;
52 }
53 
54 void
55 Ipv4PacketInfoTag::SetLocalAddress (Ipv4Address addr)
56 {
57  NS_LOG_FUNCTION (this << addr);
58  m_spec_dst = addr;
59 }
60 
61 Ipv4Address
62 Ipv4PacketInfoTag::GetLocalAddress (void) const
63 {
64  NS_LOG_FUNCTION (this);
65  return m_spec_dst;
66 }
67 
68 void
69 Ipv4PacketInfoTag::SetRecvIf (uint32_t ifindex)
70 {
71  NS_LOG_FUNCTION (this << ifindex);
72  m_ifindex = ifindex;
73 }
74 
75 uint32_t
76 Ipv4PacketInfoTag::GetRecvIf (void) const
77 {
78  NS_LOG_FUNCTION (this);
79  return m_ifindex;
80 }
81 
82 void
83 Ipv4PacketInfoTag::SetTtl (uint8_t ttl)
84 {
85  NS_LOG_FUNCTION (this << static_cast<uint32_t> (ttl));
86  m_ttl = ttl;
87 }
88 
89 uint8_t
90 Ipv4PacketInfoTag::GetTtl (void) const
91 {
92  NS_LOG_FUNCTION (this);
93  return m_ttl;
94 }
95 
96 
97 
98 TypeId
99 Ipv4PacketInfoTag::GetTypeId (void)
100 {
101  static TypeId tid = TypeId ("ns3::Ipv4PacketInfoTag")
102  .SetParent<Tag> ()
103  .AddConstructor<Ipv4PacketInfoTag> ()
104  ;
105  return tid;
106 }
107 TypeId
108 Ipv4PacketInfoTag::GetInstanceTypeId (void) const
109 {
110  NS_LOG_FUNCTION (this);
111  return GetTypeId ();
112 }
113 
114 uint32_t
115 Ipv4PacketInfoTag::GetSerializedSize (void) const
116 {
117  NS_LOG_FUNCTION (this);
118  return 4 + 4
119  + sizeof (uint32_t)
120  + sizeof (uint8_t);
121 }
122 void
123 Ipv4PacketInfoTag::Serialize (TagBuffer i) const
124 {
125  NS_LOG_FUNCTION (this << &i);
126  uint8_t buf[4];
127  m_addr.Serialize (buf);
128  i.Write (buf, 4);
129  m_spec_dst.Serialize (buf);
130  i.Write (buf, 4);
131  i.WriteU32 (m_ifindex);
132  i.WriteU8 (m_ttl);
133 }
134 void
135 Ipv4PacketInfoTag::Deserialize (TagBuffer i)
136 {
137  NS_LOG_FUNCTION (this<< &i);
138  uint8_t buf[4];
139  i.Read (buf, 4);
140  m_addr = Ipv4Address::Deserialize (buf);
141  i.Read (buf, 4);
142  m_spec_dst = Ipv4Address::Deserialize (buf);
143  m_ifindex = i.ReadU32 ();
144  m_ttl = i.ReadU8 ();
145 }
146 void
147 Ipv4PacketInfoTag::Print (std::ostream &os) const
148 {
149  NS_LOG_FUNCTION (this << &os);
150  os << "Ipv4 PKTINFO [DestAddr: " << m_addr;
151  os << ", Local Address:" << m_spec_dst;
152  os << ", RecvIf:" << (uint32_t) m_ifindex;
153  os << ", TTL:" << (uint32_t) m_ttl;
154  os << "] ";
155 }
156 } // namespace ns3
157