strawman connectors and channel
This commit is contained in:
Unknown
13
SConstruct
13
SConstruct
@@ -24,7 +24,7 @@ core.add_sources([
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'test.cc',
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])
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env = Environment()
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if env['PLATFORM'] == 'posix' or env['PLATFORM'] == 'darwin':
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if env['PLATFORM'] == 'posix' or env['PLATFORM'] == 'darwin' or env['PLATFORM'] == 'cygwin':
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core.add_external_dep('pthread')
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core.add_sources([
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'unix-system-wall-clock-ms.cc',
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@@ -197,6 +197,8 @@ node.add_sources ([
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'serial-channel.cc',
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'queue.cc',
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'drop-tail.cc',
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'layer-connector.cc',
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'channel.cc',
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])
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node.add_headers ([
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'ipv4-header.h',
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@@ -236,6 +238,8 @@ node.add_inst_headers ([
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'serial-channel.h',
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'queue.h',
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'drop-tail.h',
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'layer-connector.h',
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'channel.h',
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'serial-net-device.h'
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])
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@@ -335,5 +339,12 @@ ns3.add(sample_simple_tcl)
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sample_simple_tcl.add_deps(['core', 'simulator', 'node'])
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sample_simple_tcl.add_source('ns-2/simple.tcl.cc')
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sample_channel = build.Ns3Module('sample-channel', 'samples')
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sample_channel.set_executable()
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ns3.add(sample_channel)
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sample_channel.add_dep ('common')
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sample_channel.add_dep ('node')
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sample_channel.add_dep ('core')
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sample_channel.add_source('main-channel.cc')
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ns3.generate_dependencies()
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216
samples/main-channel.cc
Normal file
216
samples/main-channel.cc
Normal file
@@ -0,0 +1,216 @@
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 University of Washington
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string>
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#include "ns3/debug.h"
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#include "ns3/packet.h"
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#include "ns3/drop-tail.h"
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#include "ns3/layer-connector.h"
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#include "ns3/channel.h"
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using namespace ns3;
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// ===========================================================================
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// Cook up a simplistic Internet Node
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// ===========================================================================
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class FakeInternetNode : public LayerConnectorUpper
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{
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public:
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FakeInternetNode ();
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~FakeInternetNode ();
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void Doit (void);
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protected:
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bool UpperDoSendUp (Packet &p);
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bool UpperDoPull (Packet &p);
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DropTailQueue m_dtqOutbound;
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DropTailQueue m_dtqInbound;
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};
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FakeInternetNode::FakeInternetNode ()
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{
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NS_DEBUG_UNCOND("FakeInternetNode::FakeInternetNode ()")
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}
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FakeInternetNode::~FakeInternetNode ()
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{
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NS_DEBUG_UNCOND("FakeInternetNode::~FakeInternetNode ()")
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}
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void
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FakeInternetNode::Doit (void)
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{
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NS_DEBUG_UNCOND("FakeInternetNode::Doit ()")
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NS_DEBUG_UNCOND("FakeInternetNode::Doit (): **** Send outbound packet")
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Packet p;
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m_dtqOutbound.Enque(p);
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UpperNotify();
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}
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bool
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FakeInternetNode::UpperDoSendUp (Packet &p)
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{
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NS_DEBUG_UNCOND("FakeInternetNode::UpperDoSendUp (" << &p << ")")
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NS_DEBUG_UNCOND("FakeInternetNode::UpperDoSendUp (): **** Receive inbound packet")
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m_dtqInbound.Enque(p);
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return m_dtqInbound.Deque(p);
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}
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bool
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FakeInternetNode::UpperDoPull (Packet &p)
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{
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NS_DEBUG_UNCOND("FakeInternetNode::DoPull (" << &p << ")")
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return m_dtqOutbound.Deque(p);
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}
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// ===========================================================================
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// Cook up a simplistic Physical Layer
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// ===========================================================================
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class FakePhysicalLayer :
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public LayerConnectorLower,
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public LayerConnectorUpper
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{
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public:
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FakePhysicalLayer ();
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~FakePhysicalLayer ();
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protected:
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bool LowerDoNotify (LayerConnectorUpper *upper);
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bool UpperDoSendUp (Packet &p);
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bool UpperDoPull (Packet &p);
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DropTailQueue m_dtqInbound;
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DropTailQueue m_dtqOutbound;
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};
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FakePhysicalLayer::FakePhysicalLayer ()
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{
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NS_DEBUG_UNCOND("FakePhysicalLayer::FakePhysicalLayer ()")
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}
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FakePhysicalLayer::~FakePhysicalLayer ()
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{
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NS_DEBUG_UNCOND("FakePhysicalLayer::~FakePhysicalLayer ()")
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}
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bool
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FakePhysicalLayer::LowerDoNotify (LayerConnectorUpper *upper)
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{
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NS_DEBUG_UNCOND("FakePhysicalLayer::LowerDoNotify ()")
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Packet p;
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NS_DEBUG_UNCOND("FakePhysicalLayer::LowerDoNotify (): Starting pull")
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assert(m_upperPartner);
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m_upperPartner->UpperPull(p);
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m_dtqOutbound.Enque(p);
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NS_DEBUG_UNCOND("FakePhysicalLayer::LowerDoNotify (): Got bits, Notify lower")
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assert(m_lowerPartner);
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return m_lowerPartner->LowerNotify(this);
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}
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bool
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FakePhysicalLayer::UpperDoSendUp (Packet &p)
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{
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NS_DEBUG_UNCOND("FakePhysicalLayer::UpperDoSendUp (" << &p << ")")
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assert(m_upperPartner);
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return m_upperPartner->UpperSendUp(p);
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}
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bool
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FakePhysicalLayer::UpperDoPull (Packet &p)
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{
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NS_DEBUG_UNCOND("FakePhysicalLayer::DoPull (" << &p << ")")
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return m_dtqOutbound.Deque(p);
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}
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// ===========================================================================
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// Cook up a simplistic Channel, just to add any moby hack we feel like
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// ===========================================================================
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class FakeChannel : public Channel
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{
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public:
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FakeChannel ();
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~FakeChannel ();
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};
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FakeChannel::FakeChannel ()
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{
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NS_DEBUG_UNCOND("FakeChannel::FakeChannel ()")
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}
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FakeChannel::~FakeChannel ()
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{
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NS_DEBUG_UNCOND("FakeChannel::~FakeChannel ()")
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}
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int main (int argc, char *argv[])
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{
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NS_DEBUG_UNCOND("Channel Hackorama")
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DebugComponentEnable("Queue");
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DebugComponentEnable("DropTailQueue");
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DebugComponentEnable("LayerConnector");
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DebugComponentEnable("Channel");
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FakeInternetNode node1, node2, node3, node4;
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FakePhysicalLayer phys1, phys2, phys3, phys4;
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FakeChannel channel;
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Packet pkt;
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// all the hassle above lets us do something very simple here
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node1.ConnectToLower(phys1);
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phys1.ConnectToUpper(node1);
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phys1.ConnectToLower(channel);
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channel.ConnectToUpper(phys1);
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node2.ConnectToLower(phys2);
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phys2.ConnectToUpper(node2);
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phys2.ConnectToLower(channel);
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channel.ConnectToUpper(phys2);
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node3.ConnectToLower(phys3);
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phys3.ConnectToUpper(node3);
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phys3.ConnectToLower(channel);
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channel.ConnectToUpper(phys3);
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node4.ConnectToLower(phys4);
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phys4.ConnectToUpper(node4);
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phys4.ConnectToLower(channel);
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channel.ConnectToUpper(phys4);
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node1.Doit();
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node2.Doit();
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node3.Doit();
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node4.Doit();
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return 0;
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}
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@@ -30,32 +30,49 @@ namespace ns3 {
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Channel::Channel ()
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{
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NS_DEBUG ("Channel::Channel ()")
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NS_DEBUG("Channel::Channel ()")
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}
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Channel::~Channel ()
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{
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NS_DEBUG ("Channel::~Channel ()")
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NS_DEBUG("Channel::~Channel ()")
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}
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bool
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Channel::Connect (PhysicalLayer &phys)
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Channel::DoConnectToUpper (LayerConnectorUpper &upper)
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{
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NS_DEBUG ("Channel::Connect (" << &phys << ")")
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m_physList.push_back(static_cast<PhysicalLayer *>(&phys));
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NS_DEBUG("Channel::DoConnectToUpper (" << &upper << ")")
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m_connectorList.push_back(&upper);
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return true;
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}
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bool
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Channel::Propagate (Propagator &propagator)
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Channel::LowerDoNotify (LayerConnectorUpper *upper)
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{
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NS_DEBUG ("Channel::Propagate (" << &propagator << ")")
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NS_DEBUG("Channel::LowerDoNotify ()")
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for (PhysicalLayerList::const_iterator i = m_physList.begin ();
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i != m_physList.end ();
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Packet p;
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NS_DEBUG("Channel::LowerDoNotify (): Starting pull")
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upper->UpperPull(p);
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NS_DEBUG("Channel::LowerDoNotify (): Got bits, Propagate()")
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return Propagate(p);
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}
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bool
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Channel::Propagate (Packet &p)
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{
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NS_DEBUG("Channel::Propagate (" << &p << ")")
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for (ConnectorList::const_iterator i = m_connectorList.begin ();
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i != m_connectorList.end ();
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i++)
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{
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(*i)->Receive (propagator);
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(*i)->UpperSendUp (p);
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}
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return true;
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@@ -22,36 +22,33 @@
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*/
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#include <list>
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#include "physical-layer.h"
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#include "ns3/packet.h"
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#include "layer-connector.h"
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#ifndef CHANNEL_H
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#define CHANNEL_H
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namespace ns3 {
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class Propagator;
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class Channel
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class Channel : public LayerConnectorLower
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{
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public:
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Channel ();
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virtual ~Channel ();
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// called by the builderto introduce the channel and the physical layer
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// of the node.
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bool Connect (PhysicalLayer &phys);
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// Called by the physical layer to cause bits to propagate along the channel
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// The channel will call Receive on each of the phys.
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bool Propagate (Propagator &p);
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bool Propagate (Packet &p);
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bool DoConnectToUpper (LayerConnectorUpper &upper);
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bool LowerDoNotify (LayerConnectorUpper *upper);
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protected:
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typedef std::list<PhysicalLayer *> PhysicalLayerList;
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PhysicalLayerList m_physList;
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typedef std::list<LayerConnectorUpper *> ConnectorList;
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ConnectorList m_connectorList;
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private:
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};
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}; // namespace ns3
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#endif /* SERIAL_PHY_H */
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#endif /* CHANNEL_H */
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137
src/node/layer-connector.cc
Normal file
137
src/node/layer-connector.cc
Normal file
@@ -0,0 +1,137 @@
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2007 University of Washington
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Craig Dowell <craigdo@ee.washingon.edu>
|
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*
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* Fri Feb 16 12:18:11 PST 2007 craigdo: created
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*/
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#include "ns3/debug.h"
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#include "layer-connector.h"
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NS_DEBUG_COMPONENT_DEFINE ("LayerConnector");
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namespace ns3 {
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LayerConnectorUpper::LayerConnectorUpper ()
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{
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NS_DEBUG("LayerConnectorUpper::LayerConnectorUpper ()")
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}
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LayerConnectorUpper::~LayerConnectorUpper ()
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{
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NS_DEBUG("LayerConnectorUpper::~LayerConnectorUpper ()")
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}
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bool
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LayerConnectorUpper::ConnectToLower (LayerConnectorLower &partner)
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{
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NS_DEBUG("LayerConnectorUpper::ConnectToLower (" << &partner << ")")
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return DoConnectToLower(partner);
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}
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bool
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LayerConnectorUpper::DoConnectToLower (LayerConnectorLower &partner)
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{
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NS_DEBUG("LayerConnectorUpper::DoConnectToLower (" << &partner << ")")
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m_lowerPartner = &partner;
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assert(m_lowerPartner);
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return true;
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}
|
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|
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bool
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LayerConnectorUpper::UpperSendUp (Packet &p)
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{
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NS_DEBUG("LayerConnectorUpper::UpperSendUp (" << &p << ")")
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return UpperDoSendUp(p);
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}
|
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|
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bool
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LayerConnectorUpper::UpperPull (Packet &p)
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{
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NS_DEBUG("LayerConnectorUpper::UpperPull (" << &p << ")")
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|
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return UpperDoPull(p);
|
||||
}
|
||||
|
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bool
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LayerConnectorUpper::UpperNotify ()
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{
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||||
NS_DEBUG("LayerConnectorUpper::UpperNotify ()")
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|
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assert(m_lowerPartner);
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return m_lowerPartner->LowerNotify(this);
|
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}
|
||||
|
||||
LayerConnectorLower::LayerConnectorLower ()
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::LayerConnectorLower ()")
|
||||
}
|
||||
|
||||
LayerConnectorLower::~LayerConnectorLower ()
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::~LayerConnectorLower ()")
|
||||
}
|
||||
|
||||
bool
|
||||
LayerConnectorLower::ConnectToUpper (LayerConnectorUpper &partner)
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::ConnectToUpper (" << &partner << ")")
|
||||
|
||||
return DoConnectToUpper(partner);
|
||||
}
|
||||
|
||||
bool
|
||||
LayerConnectorLower::DoConnectToUpper (LayerConnectorUpper &partner)
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::DoConnectToUpper (" << &partner << ")")
|
||||
|
||||
m_upperPartner = &partner;
|
||||
assert(m_upperPartner);
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
LayerConnectorLower::LowerSendUp (Packet &p)
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::LowerSendUp (" << &p << ")")
|
||||
|
||||
assert(m_upperPartner);
|
||||
return m_upperPartner->UpperSendUp(p);
|
||||
}
|
||||
|
||||
bool
|
||||
LayerConnectorLower::LowerPull (Packet &p)
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::LowerPull (" << &p << ")")
|
||||
|
||||
assert(m_upperPartner);
|
||||
return m_upperPartner->UpperPull(p);
|
||||
}
|
||||
|
||||
bool
|
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LayerConnectorLower::LowerNotify (LayerConnectorUpper *upper)
|
||||
{
|
||||
NS_DEBUG("LayerConnectorLower::LowerNotify ()")
|
||||
return LowerDoNotify(upper);
|
||||
}
|
||||
|
||||
} // namespace ns3
|
||||
97
src/node/layer-connector.h
Normal file
97
src/node/layer-connector.h
Normal file
@@ -0,0 +1,97 @@
|
||||
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2007 University of Washington
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Craig Dowell <craigdo@ee.washingon.edu>
|
||||
*
|
||||
* Wed Feb 14 16:05:46 PST 2007 craigdo: created
|
||||
*/
|
||||
|
||||
#include "ns3/packet.h"
|
||||
|
||||
#ifndef LAYER_CONNECTOR_H
|
||||
#define LAYER_CONNECTOR_H
|
||||
|
||||
namespace ns3 {
|
||||
|
||||
class LayerConnectorLower;
|
||||
|
||||
class LayerConnectorUpper {
|
||||
public:
|
||||
LayerConnectorUpper ();
|
||||
virtual ~LayerConnectorUpper ();
|
||||
|
||||
// called by the layer connector to introduce the lower interface to us here
|
||||
bool ConnectToLower (LayerConnectorLower &lower);
|
||||
|
||||
// called by the lower layer to send a received packet on up the protocol
|
||||
// stack to us here.
|
||||
bool UpperSendUp (Packet &p);
|
||||
|
||||
// Call this function to tell a lower layer that there is data available
|
||||
// here. It is expected that the lower layer will call pull as soon as
|
||||
// possible to get the data.
|
||||
bool UpperNotify ();
|
||||
|
||||
// called by the lower layer to get available packet data that was implied
|
||||
// by a previous Notify() call.
|
||||
bool UpperPull(Packet &p);
|
||||
|
||||
protected:
|
||||
virtual bool DoConnectToLower (LayerConnectorLower &lower);
|
||||
virtual bool UpperDoSendUp (Packet &p) = 0;
|
||||
virtual bool UpperDoPull (Packet &p) = 0;
|
||||
|
||||
LayerConnectorLower *m_lowerPartner;
|
||||
|
||||
private:
|
||||
};
|
||||
|
||||
class LayerConnectorLower
|
||||
{
|
||||
public:
|
||||
LayerConnectorLower ();
|
||||
virtual ~LayerConnectorLower ();
|
||||
|
||||
// This function is called by the layer connector to introduce the upper
|
||||
// layer interface to us here
|
||||
bool ConnectToUpper (LayerConnectorUpper &upper);
|
||||
|
||||
// Notify is called by the upper layer connector to tell us that there
|
||||
// is data available. It is expected that we will call pull (below) as
|
||||
// soon as possible to get the data.
|
||||
bool LowerNotify (LayerConnectorUpper *upper);
|
||||
|
||||
// The lower connector calls this method to send a received packet on up
|
||||
// the protocol stack
|
||||
bool LowerSendUp (Packet &p);
|
||||
|
||||
// Call this function to get available packet data from the upper connector
|
||||
// that was implied by a previous Notify() call.
|
||||
bool LowerPull(Packet &p);
|
||||
|
||||
protected:
|
||||
virtual bool DoConnectToUpper (LayerConnectorUpper &upper);
|
||||
virtual bool LowerDoNotify (LayerConnectorUpper *upper) = 0;
|
||||
LayerConnectorUpper *m_upperPartner;
|
||||
|
||||
private:
|
||||
};
|
||||
|
||||
}; // namespace ns3
|
||||
|
||||
#endif /* LAYER_CONNECTOR_H */
|
||||
Reference in New Issue
Block a user