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Alexander Afanasyevc74a6022011-08-15 20:01:35 -07001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
Alexander Afanasyev98256102011-08-14 01:00:02 -07002/*
Ilya Moiseenko956d0542012-01-02 15:26:40 -08003 * Copyright (c) 2011 University of California, Los Angeles
Alexander Afanasyev98256102011-08-14 01:00:02 -07004 *
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 *
Ilya Moiseenko1cf6b0a2011-08-29 13:02:34 -070018 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070019 * Ilya Moiseenko <iliamo@cs.ucla.edu>
Alexander Afanasyev98256102011-08-14 01:00:02 -070020 *
21 */
22
23#include "ccnx-local-face.h"
24
Alexander Afanasyev98256102011-08-14 01:00:02 -070025#include "ns3/log.h"
26#include "ns3/packet.h"
27#include "ns3/node.h"
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070028#include "ns3/assert.h"
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -080029#include "ns3/simulator.h"
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070030
31#include "ns3/ccnx-header-helper.h"
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080032#include "ns3/ccnx-app.h"
33
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070034#include "ccnx-interest-header.h"
35#include "ccnx-content-object-header.h"
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -080036#include "ccnx-path-stretch-tag.h"
Alexander Afanasyev98256102011-08-14 01:00:02 -070037
38NS_LOG_COMPONENT_DEFINE ("CcnxLocalFace");
39
Ilya Moiseenko1cf6b0a2011-08-29 13:02:34 -070040namespace ns3
41{
Alexander Afanasyev98256102011-08-14 01:00:02 -070042
Alexander Afanasyevcbe92ae2011-12-16 13:06:18 -080043TypeId
44CcnxLocalFace::GetTypeId ()
45{
46 static TypeId tid = TypeId ("ns3::CcnxLocalFace")
47 .SetParent<CcnxFace> ()
48 .SetGroupName ("Ccnx")
49 ;
50 return tid;
51}
52
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080053CcnxLocalFace::CcnxLocalFace (Ptr<CcnxApp> app)
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080054 : CcnxFace (app->GetNode ())
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080055 , m_app (app)
Alexander Afanasyev98256102011-08-14 01:00:02 -070056{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080057 NS_LOG_FUNCTION (this << app);
58
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080059 NS_ASSERT (m_app != 0);
Alexander Afanasyev98256102011-08-14 01:00:02 -070060}
61
62CcnxLocalFace::~CcnxLocalFace ()
63{
64 NS_LOG_FUNCTION_NOARGS ();
65}
66
Alexander Afanasyev07827182011-12-13 01:07:32 -080067CcnxLocalFace::CcnxLocalFace ()
68 : CcnxFace (0)
69{
70}
71
72CcnxLocalFace::CcnxLocalFace (const CcnxLocalFace &)
73 : CcnxFace (0)
74{
75}
76
77CcnxLocalFace& CcnxLocalFace::operator= (const CcnxLocalFace &)
78{
79 return *((CcnxLocalFace*)0);
80}
81
82
Alexander Afanasyev98256102011-08-14 01:00:02 -070083void
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070084CcnxLocalFace::RegisterProtocolHandler (ProtocolHandler handler)
Alexander Afanasyev98256102011-08-14 01:00:02 -070085{
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080086 NS_LOG_FUNCTION (this);
Alexander Afanasyev98256102011-08-14 01:00:02 -070087
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080088 CcnxFace::RegisterProtocolHandler (handler);
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070089
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080090 m_app->RegisterProtocolHandler (MakeCallback (&CcnxFace::Receive, this));
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070091}
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -080092
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070093void
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080094CcnxLocalFace::SendImpl (Ptr<Packet> p)
Alexander Afanasyev98256102011-08-14 01:00:02 -070095{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080096 NS_LOG_FUNCTION (this << p);
Alexander Afanasyev98256102011-08-14 01:00:02 -070097
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -070098 try
99 {
100 CcnxHeaderHelper::Type type = CcnxHeaderHelper::GetCcnxHeaderType (p);
101 switch (type)
102 {
103 case CcnxHeaderHelper::INTEREST:
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800104 {
105 Ptr<CcnxInterestHeader> header = Create<CcnxInterestHeader> ();
106 p->RemoveHeader (*header);
107
108 if (header->GetNack () > 0)
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -0800109 m_app->OnNack (header, p);
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800110 else
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -0800111 m_app->OnInterest (header, p);
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800112
113 break;
114 }
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -0700115 case CcnxHeaderHelper::CONTENT_OBJECT:
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800116 {
117 static CcnxContentObjectTail tail;
118 Ptr<CcnxContentObjectHeader> header = Create<CcnxContentObjectHeader> ();
119 p->RemoveHeader (*header);
120 p->RemoveTrailer (tail);
121 m_app->OnContentObject (header, p/*payload*/);
122
123 break;
124 }
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -0700125 }
126 }
127 catch (CcnxUnknownHeaderException)
128 {
129 NS_LOG_ERROR ("Unknown header type");
130 }
Ilya Moiseenko1cf6b0a2011-08-29 13:02:34 -0700131}
Alexander Afanasyev98256102011-08-14 01:00:02 -0700132
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -0700133std::ostream& CcnxLocalFace::Print (std::ostream& os) const
134{
135 os << "dev=local(" << GetId() << ")";
Alexander Afanasyev98256102011-08-14 01:00:02 -0700136 return os;
137}
138
139}; // namespace ns3
140