Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 1 | /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
| 2 | /* |
| 3 | * Copyright (c) 2011-2012 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 | */ |
| 20 | |
| 21 | // dumb-requester.cc |
| 22 | |
Alexander Afanasyev | 0c39537 | 2014-12-20 15:54:02 -0800 | [diff] [blame] | 23 | #include "dumb-requester.hpp" |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 24 | #include "ns3/ptr.h" |
| 25 | #include "ns3/log.h" |
| 26 | #include "ns3/simulator.h" |
| 27 | #include "ns3/packet.h" |
| 28 | #include "ns3/random-variable.h" |
| 29 | #include "ns3/string.h" |
| 30 | |
Alexander Afanasyev | 0c39537 | 2014-12-20 15:54:02 -0800 | [diff] [blame] | 31 | #include "ns3/ndn-app-face.hpp" |
| 32 | #include "ns3/ndn-interest.hpp" |
| 33 | #include "ns3/ndn-data.hpp" |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 34 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 35 | NS_LOG_COMPONENT_DEFINE("DumbRequester"); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 36 | |
| 37 | namespace ns3 { |
| 38 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 39 | NS_OBJECT_ENSURE_REGISTERED(DumbRequester); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 40 | |
| 41 | // register NS-3 type |
| 42 | TypeId |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 43 | DumbRequester::GetTypeId() |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 44 | { |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 45 | static TypeId tid = |
| 46 | TypeId("DumbRequester") |
| 47 | .SetParent<ndn::App>() |
| 48 | .AddConstructor<DumbRequester>() |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 49 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 50 | .AddAttribute("Prefix", "Requested name", StringValue("/dumb-interest"), |
| 51 | ndn::MakeNameAccessor(&DumbRequester::m_name), ndn::MakeNameChecker()); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 52 | return tid; |
| 53 | } |
| 54 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 55 | DumbRequester::DumbRequester() |
| 56 | : m_isRunning(false) |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 57 | { |
| 58 | } |
| 59 | |
| 60 | // Processing upon start of the application |
| 61 | void |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 62 | DumbRequester::StartApplication() |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 63 | { |
| 64 | // initialize ndn::App |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 65 | ndn::App::StartApplication(); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 66 | |
| 67 | m_isRunning = true; |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 68 | Simulator::ScheduleNow(&DumbRequester::SendInterest, this); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | // Processing when application is stopped |
| 72 | void |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 73 | DumbRequester::StopApplication() |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 74 | { |
| 75 | m_isRunning = false; |
| 76 | // cleanup ndn::App |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 77 | ndn::App::StopApplication(); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | void |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 81 | DumbRequester::SendInterest() |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 82 | { |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 83 | if (!m_isRunning) |
| 84 | return; |
| 85 | |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 86 | ///////////////////////////////////// |
| 87 | // Sending one Interest packet out // |
| 88 | ///////////////////////////////////// |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 89 | |
| 90 | Ptr<ndn::Name> prefix = Create<ndn::Name>(m_name); // another way to create name |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 91 | |
Alexander Afanasyev | eae83ee | 2013-03-15 15:01:10 -0700 | [diff] [blame] | 92 | // Create and configure ndn::Interest |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 93 | Ptr<ndn::Interest> interest = Create<ndn::Interest>(); |
| 94 | UniformVariable rand(0, std::numeric_limits<uint32_t>::max()); |
| 95 | interest->SetNonce(rand.GetValue()); |
| 96 | interest->SetName(prefix); |
| 97 | interest->SetInterestLifetime(Seconds(1.0)); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 98 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 99 | NS_LOG_DEBUG("Sending Interest packet for " << *prefix); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 100 | |
| 101 | // Call trace (for logging purposes) |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 102 | m_transmittedInterests(interest, this, m_face); |
Alexander Afanasyev | faa01f9 | 2013-07-10 18:34:31 -0700 | [diff] [blame] | 103 | |
| 104 | // Forward packet to lower (network) layer |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 105 | m_face->ReceiveInterest(interest); |
Alexander Afanasyev | faa01f9 | 2013-07-10 18:34:31 -0700 | [diff] [blame] | 106 | |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 107 | Simulator::Schedule(Seconds(1.0), &DumbRequester::SendInterest, this); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | void |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 111 | DumbRequester::OnData(Ptr<const ndn::Data> contentObject) |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 112 | { |
Alexander Afanasyev | be55cf6 | 2014-12-20 17:51:09 -0800 | [diff] [blame] | 113 | NS_LOG_DEBUG("Receiving Data packet for " << contentObject->GetName()); |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 114 | } |
| 115 | |
Alexander Afanasyev | c3cc0b3 | 2012-12-12 18:41:20 -0800 | [diff] [blame] | 116 | } // namespace ns3 |