A Discrete-Event Network Simulator
API
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
flow-id-tag.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2008 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 #include "flow-id-tag.h"
21 
22 namespace ns3 {
23 
24 NS_OBJECT_ENSURE_REGISTERED (FlowIdTag);
25 
26 TypeId
27 FlowIdTag::GetTypeId (void)
28 {
29  static TypeId tid = TypeId ("ns3::FlowIdTag")
30  .SetParent<Tag> ()
31  .AddConstructor<FlowIdTag> ()
32  ;
33  return tid;
34 }
35 TypeId
36 FlowIdTag::GetInstanceTypeId (void) const
37 {
38  return GetTypeId ();
39 }
40 uint32_t
41 FlowIdTag::GetSerializedSize (void) const
42 {
43  return 4;
44 }
45 void
46 FlowIdTag::Serialize (TagBuffer buf) const
47 {
48  buf.WriteU32 (m_flowId);
49 }
50 void
51 FlowIdTag::Deserialize (TagBuffer buf)
52 {
53  m_flowId = buf.ReadU32 ();
54 }
55 void
56 FlowIdTag::Print (std::ostream &os) const
57 {
58  os << "FlowId=" << m_flowId;
59 }
60 FlowIdTag::FlowIdTag ()
61  : Tag ()
62 {
63 }
64 
65 FlowIdTag::FlowIdTag (uint32_t id)
66  : Tag (),
67  m_flowId (id)
68 {
69 }
70 
71 void
72 FlowIdTag::SetFlowId (uint32_t id)
73 {
74  m_flowId = id;
75 }
76 uint32_t
77 FlowIdTag::GetFlowId (void) const
78 {
79  return m_flowId;
80 }
81 
82 uint32_t
83 FlowIdTag::AllocateFlowId (void)
84 {
85  static uint32_t nextFlowId = 1;
86  uint32_t flowId = nextFlowId;
87  nextFlowId++;
88  return flowId;
89 }
90 
91 } // namespace ns3
92