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Ilya Moiseenko8196d2e2011-08-29 13:03:22 -07001/* -*- 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: Ilya Moiseenko <iliamo@cs.ucla.edu>
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080019 * Alexander Afanasyev <alexander.afanasyev@ucla.edu>
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070020 */
21
22#include "ccnx-producer.h"
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080023#include "ns3/log.h"
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080024#include "ns3/ccnx-interest-header.h"
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080025#include "ns3/ccnx-content-object-header.h"
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080026#include "ns3/string.h"
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080027#include "ns3/uinteger.h"
28#include "ns3/packet.h"
Alexander Afanasyevfaf95812012-06-05 21:28:11 -070029#include "ns3/simulator.h"
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070030
Alexander Afanasyev4a4ea602012-06-06 11:12:45 -070031#include "ns3/ccnx-app-face.h"
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080032#include "ns3/ccnx-fib.h"
33
34#include <boost/ref.hpp>
Alexander Afanasyevb7ad2322012-01-17 22:54:49 -080035#include <boost/lambda/lambda.hpp>
36#include <boost/lambda/bind.hpp>
37namespace ll = boost::lambda;
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070038
39NS_LOG_COMPONENT_DEFINE ("CcnxProducer");
40
41namespace ns3
42{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080043
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070044NS_OBJECT_ENSURE_REGISTERED (CcnxProducer);
45
46TypeId
47CcnxProducer::GetTypeId (void)
48{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080049 static TypeId tid = TypeId ("ns3::CcnxProducer")
Alexander Afanasyev6315ef72012-06-01 20:56:31 -070050 .SetGroupName ("Ccnx")
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080051 .SetParent<CcnxApp> ()
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070052 .AddConstructor<CcnxProducer> ()
Ilya Moiseenkob62c7402011-10-28 13:02:18 -070053 .AddAttribute ("Prefix","Prefix, for which producer has the data",
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080054 StringValue ("/"),
Ilya Moiseenkob62c7402011-10-28 13:02:18 -070055 MakeCcnxNameComponentsAccessor (&CcnxProducer::m_prefix),
56 MakeCcnxNameComponentsChecker ())
57 .AddAttribute ("PayloadSize", "Virtual payload size for Content packets",
Alexander Afanasyevc39f0b42011-11-28 12:51:12 -080058 UintegerValue (1024),
Ilya Moiseenkob62c7402011-10-28 13:02:18 -070059 MakeUintegerAccessor(&CcnxProducer::m_virtualPayloadSize),
60 MakeUintegerChecker<uint32_t>())
Alexander Afanasyevfaf95812012-06-05 21:28:11 -070061
62 // optional attributes
63 .AddAttribute ("SignatureBits", "SignatureBits field",
64 UintegerValue (0),
65 MakeUintegerAccessor(&CcnxProducer::m_signatureBits),
66 MakeUintegerChecker<uint32_t> ())
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070067 ;
68
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080069 return tid;
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070070}
71
72CcnxProducer::CcnxProducer ()
73{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080074 // NS_LOG_FUNCTION_NOARGS ();
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -070075}
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080076
77// inherited from Application base class.
78void
79CcnxProducer::StartApplication ()
80{
81 NS_LOG_FUNCTION_NOARGS ();
82 NS_ASSERT (GetNode ()->GetObject<CcnxFib> () != 0);
83
84 CcnxApp::StartApplication ();
85
Alexander Afanasyevb7ad2322012-01-17 22:54:49 -080086 Ptr<CcnxFib> fib = GetNode ()->GetObject<CcnxFib> ();
87 CcnxFibEntryContainer::type::iterator fibEntry = fib->Add (m_prefix, m_face, 0);
88
89 // make face green, so it will be used primarily
90 fib->m_fib.modify (fibEntry,
91 ll::bind (&CcnxFibEntry::UpdateStatus,
92 ll::_1, m_face, CcnxFibFaceMetric::NDN_FIB_GREEN));
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080093}
94
95void
96CcnxProducer::StopApplication ()
97{
98 NS_LOG_FUNCTION_NOARGS ();
99 NS_ASSERT (GetNode ()->GetObject<CcnxFib> () != 0);
100
101 CcnxApp::StopApplication ();
102}
103
104
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -0700105void
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -0800106CcnxProducer::OnInterest (const Ptr<const CcnxInterestHeader> &interest, Ptr<Packet> origPacket)
Ilya Moiseenko8196d2e2011-08-29 13:03:22 -0700107{
Alexander Afanasyeve9c9d722012-01-19 16:59:30 -0800108 CcnxApp::OnInterest (interest, origPacket); // tracing inside
Alexander Afanasyevbdc0d982011-12-16 01:15:26 -0800109
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800110 NS_LOG_FUNCTION (this << interest);
Ilya Moiseenkob62c7402011-10-28 13:02:18 -0700111
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800112 if (!m_active) return;
Ilya Moiseenkob62c7402011-10-28 13:02:18 -0700113
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800114 static CcnxContentObjectTail tail;
115 Ptr<CcnxContentObjectHeader> header = Create<CcnxContentObjectHeader> ();
116 header->SetName (Create<CcnxNameComponents> (interest->GetName ()));
Alexander Afanasyevfaf95812012-06-05 21:28:11 -0700117 header->GetSignedInfo ().SetTimestamp (Simulator::Now ());
118 header->GetSignature ().SetSignatureBits (m_signatureBits);
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800119
Lucasa3295ab2012-02-04 13:36:31 -0800120 NS_LOG_INFO ("node("<< GetNode()->GetId() <<") respodning with ContentObject:\n" << boost::cref(*header));
Ilya Moiseenkob62c7402011-10-28 13:02:18 -0700121
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800122 Ptr<Packet> packet = Create<Packet> (m_virtualPayloadSize);
Alexander Afanasyev8e0d2812012-01-19 22:38:14 -0800123 // Ptr<const WeightsPathStretchTag> tag = origPacket->RemovePacketTag<WeightsPathStretchTag> ();
124 // if (tag != 0)
125 // {
126 // // std::cout << Simulator::Now () << ", " << m_app->GetInstanceTypeId ().GetName () << "\n";
Alexander Afanasyevbdc0d982011-12-16 01:15:26 -0800127
Alexander Afanasyev8e0d2812012-01-19 22:38:14 -0800128 // // echo back WeightsPathStretchTag
129 // packet->AddPacketTag (CreateObject<WeightsPathStretchTag> (*tag));
Alexander Afanasyev6bff0df2012-01-19 17:51:52 -0800130
Alexander Afanasyev8e0d2812012-01-19 22:38:14 -0800131 // // \todo
132 // // packet->AddPacketTag should actually accept Ptr<const WeightsPathStretchTag> instead of
133 // // Ptr<WeightsPathStretchTag>. Echoing will be simplified after change is done
134 // }
Alexander Afanasyev6bff0df2012-01-19 17:51:52 -0800135
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800136 packet->AddHeader (*header);
137 packet->AddTrailer (tail);
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800138
Alexander Afanasyev19426ef2011-11-23 20:55:28 -0800139 m_protocolHandler (packet);
Alexander Afanasyev15f92992012-04-09 14:56:56 -0700140
141 m_transmittedContentObjects (header, packet, this, m_face);
Ilya Moiseenkob62c7402011-10-28 13:02:18 -0700142}
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800143
144} // namespace ns3