NS-3 based Named Data Networking (NDN) simulator
ndnSIM: NDN, CCN, CCNx, content centric networks
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ndn-app-face.cc
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
2 /*
3  * Copyright (c) 2011 University of California, Los Angeles
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: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19  * Ilya Moiseenko <iliamo@cs.ucla.edu>
20  *
21  */
22 
23 #include "ndn-app-face.h"
24 
25 #include "ns3/log.h"
26 #include "ns3/packet.h"
27 #include "ns3/node.h"
28 #include "ns3/assert.h"
29 #include "ns3/simulator.h"
30 
31 #include "ns3/ndn-header-helper.h"
32 #include "ns3/ndn-app.h"
33 
34 #include "ndn-interest.h"
35 #include "ndn-data.h"
36 
37 NS_LOG_COMPONENT_DEFINE ("ndn.AppFace");
38 
39 namespace ns3 {
40 namespace ndn {
41 
42 NS_OBJECT_ENSURE_REGISTERED (AppFace);
43 
44 TypeId
45 AppFace::GetTypeId ()
46 {
47  static TypeId tid = TypeId ("ns3::ndn::AppFace")
48  .SetParent<Face> ()
49  .SetGroupName ("Ndn")
50  ;
51  return tid;
52 }
53 
54 AppFace::AppFace (Ptr<App> app)
55  : Face (app->GetNode ())
56  , m_app (app)
57 {
58  NS_LOG_FUNCTION (this << app);
59 
60  NS_ASSERT (m_app != 0);
62 }
63 
64 AppFace::~AppFace ()
65 {
66  NS_LOG_FUNCTION_NOARGS ();
67 }
68 
69 AppFace::AppFace ()
70  : Face (0)
71 {
72 }
73 
74 AppFace::AppFace (const AppFace &)
75  : Face (0)
76 {
77 }
78 
79 AppFace&
80 AppFace::operator= (const AppFace &)
81 {
82  return *((AppFace*)0);
83 }
84 
85 bool
86 AppFace::SendInterest (Ptr<const Interest> interest)
87 {
88  NS_LOG_FUNCTION (this << interest);
89 
90  if (!IsUp ())
91  {
92  return false;
93  }
94 
95  if (interest->GetNack () > 0)
96  m_app->OnNack (interest);
97  else
98  m_app->OnInterest (interest);
99 
100  return true;
101 }
102 
103 bool
104 AppFace::SendData (Ptr<const Data> data)
105 {
106  NS_LOG_FUNCTION (this << data);
107 
108  if (!IsUp ())
109  {
110  return false;
111  }
112 
113  m_app->OnData (data);
114  return true;
115 }
116 
117 std::ostream&
118 AppFace::Print (std::ostream& os) const
119 {
120  os << "dev=local(" << GetId() << ")";
121  return os;
122 }
123 
124 } // namespace ndn
125 } // namespace ns3
126 
virtual bool SendData(Ptr< const Data > data)
Send out Dat packet through the face.
uint32_t GetId() const
Get face Id.
Definition: ndn-face.h:314
virtual std::ostream & Print(std::ostream &os) const
Print information about the face into the stream.
Virtual class defining NDN face.
Definition: ndn-face.h:58
An application face.
Definition: ndn-face.h:191
void SetFlags(uint32_t flags)
Set face flags.
Definition: ndn-face.cc:243
Face(Ptr< Node > node)
Default constructor.
Definition: ndn-face.cc:69
virtual bool SendInterest(Ptr< const Interest > interest)
Send out interest through the face.
Definition: ndn-app-face.cc:86
bool IsUp() const
Returns true if this face is enabled, false otherwise.
Definition: ndn-face.h:284
AppFace(Ptr< App > app)
Default constructor.
Definition: ndn-app-face.cc:54