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wired-topo.h
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wired-topo.h
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/******************************************************************************
* Copyright 2016-2017 Cisco Systems, Inc. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
******************************************************************************/
/**
* @file
* Wired network topology setup for rmcat ns3 module.
*
* @version 0.1.1
* @author Jiantao Fu
* @author Sergio Mena
* @author Xiaoqing Zhu
*/
#ifndef WIRED_TOPO_H
#define WIRED_TOPO_H
#include "topo.h"
namespace ns3 {
/**
* Class implementing the network Topology for rmcat wired test cases.
* The diagram below depicts the topology and the IP subnets configured.
*
* +----+ 10.0.1.0 11.0.1.0 +----+
* | l1 +-----------+ +-----------+ r1 |
* +----+ | | +----+
* | |
* +----+ 10.0.2.0 +---+ 12.0.1.0 +---+ 11.0.2.0 +----+
* | l2 +----------+ A +------------+ B +----------+ r2 |
* +----+ +---+ +---+ +----+
* | |
* ... | | ...
* | |
* +----+ 10.x.y.0 | | 11.x.y.0 +----+
* | ln +-----------+ +-----------+ rn |
* +----+ +----+
* where n = 256 * x + y
*/
class WiredTopo: public Topo
{
public:
/** Class constructor */
WiredTopo ();
/** Class destructor */
virtual ~WiredTopo ();
/**
* Build the wired rmcat topology with the attributes passed
*
* @param [in] bandwidthBps Bandwidth of the bottleneck link (in bps)
* @param [in] msDelay Total propagation delay (in ms) between left and
* right nodes
* @param [in] msQDelay Capacity of the queue at the bottleneck
* link (in ms)
*/
void Build (uint64_t bandwidthBps, uint32_t msDelay, uint32_t msQDelay);
/**
* Install a one-way bulk TCP flow in a pair of (left-to-right) nodes
*
* @param [in] flowId A string denoting the flow's id. Useful for logging
* and plotting
* @param [in] serverPort TCP port where the server bulk TCP application is
* to listen
* @param [in] newNode If true, the (sender/receiver) bulk TCP applications
* will be installed in a newly created (left-right)
* node pair; if false, the previously created node
* pair will be reused
*
* @retval A container with the two applications (sender and receiver)
*/
ApplicationContainer InstallTCP (const std::string& flowId,
uint16_t serverPort,
bool newNode);
/**
* Install a one-way constant bitrate (CBR) UDP flow in a pair of
* (left-right) nodes
*
* @param [in] serverPort UDP port where the receiver CBR UDP application
* is to receive datagrams
* @param [in] bitrate Bitrate (constant) at which the flow is to operate
* @param [in] packetSize Size of of the data to be shipped in each datagram
* @param [in] forward direction of the flow.
* If true (forward direction), the left node (ID=0)
* will act as sender and the right node (ID=1) will
* act as receiver; if false (backward direction),
* the roles are swapped.
*
* @retval A container with the two applications (sender and receiver)
*/
ApplicationContainer InstallCBR (uint16_t serverPort,
uint32_t bitrate = 0,
uint32_t packetSize = DEFAULT_PACKET_SIZE,
bool forward = true);
/**
* Install a one-way rmcat flow in a pair of (left-right) nodes
*
* @param [in] idx Index of this rmcat flow, in order to distinguish it
* from other flows in the logs and plots
* @param [in] serverPort UDP port where the #RmcatReceiver application
* is to receive media packets
* @param [in] pDelayMs Custom propagation delay between the pair of nodes
* @param [in] forward direction of flow.
* If true (forward direction), the left node (ID=0)
* will act as sender and the right node (ID=1) will
* act as receiver; if false (backward direction),
* the roles are swapped.
*
* @retval A container with the two applications (sender and receiver)
*/
ApplicationContainer InstallRMCAT (const std::string& flowId,
uint16_t serverPort,
uint32_t pDelayMs,
bool forward);
private:
void SetupAppNode (Ptr<Node> node, int subnet, uint32_t pDelayMs);
NodeContainer SetupAppNodes (uint32_t pDelayMs, bool newNode);
protected:
unsigned m_numApps;
uint32_t m_bufSize;
NodeContainer m_bottleneckNodes;
NodeContainer m_appNodes; // Last application node pair created
NetDeviceContainer m_bottleneckDevices;
InternetStackHelper m_inetStackHlpr;
PointToPointHelper m_appLinkHlpr;
};
}
#endif /* WIRED_TOPO_H */