A Discrete-Event Network Simulator
API
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
udp-header.h
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2005 INRIA
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  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 
21 #ifndef UDP_HEADER_H
22 #define UDP_HEADER_H
23 
24 #include <stdint.h>
25 #include <string>
26 #include "ns3/header.h"
27 #include "ns3/ipv4-address.h"
28 #include "ns3/ipv6-address.h"
29 
30 namespace ns3 {
39 class UdpHeader : public Header
40 {
41 public:
42 
48  UdpHeader ();
49  ~UdpHeader ();
50 
54  void EnableChecksums (void);
58  void SetDestinationPort (uint16_t port);
62  void SetSourcePort (uint16_t port);
66  uint16_t GetSourcePort (void) const;
70  uint16_t GetDestinationPort (void) const;
71 
83  void InitializeChecksum (Address source,
84  Address destination,
85  uint8_t protocol);
86 
98  void InitializeChecksum (Ipv4Address source,
99  Ipv4Address destination,
100  uint8_t protocol);
101 
113  void InitializeChecksum (Ipv6Address source,
114  Ipv6Address destination,
115  uint8_t protocol);
116 
117  static TypeId GetTypeId (void);
118  virtual TypeId GetInstanceTypeId (void) const;
119  virtual void Print (std::ostream &os) const;
120  virtual uint32_t GetSerializedSize (void) const;
121  virtual void Serialize (Buffer::Iterator start) const;
122  virtual uint32_t Deserialize (Buffer::Iterator start);
123 
128  bool IsChecksumOk (void) const;
129 
130 private:
131  uint16_t CalculateHeaderChecksum (uint16_t size) const;
132  uint16_t m_sourcePort;
133  uint16_t m_destinationPort;
134  uint16_t m_payloadSize;
135 
136  Address m_source;
137  Address m_destination;
138  uint8_t m_protocol;
139  bool m_calcChecksum;
140  bool m_goodChecksum;
141 };
142 
143 } // namespace ns3
144 
145 #endif /* UDP_HEADER */