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rmcat-wifi-test-suite.cc
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rmcat-wifi-test-suite.cc
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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
* Test suite for rmcat wifi test cases.
*
* @version 0.1.1
* @author Jiantao Fu
* @author Sergio Mena
* @author Xiaoqing Zhu
*/
/*
* This file contains implementation of the
* RmcatWifiTestSuite class. It instantiates
* the collection of wifi test cases as described
* in Section 4 of the following IETF draft:
*
* Evaluation Test Cases for Interactive Real-Time
* Media over Wireless Networks
* https://tools.ietf.org/html/draft-ietf-rmcat-wireless-tests-04
*
*/
#include "rmcat-wifi-test-case.h"
/*
* Defines common configuration parameters of a
* RMCAT wifi test case.
*
* Implement common procedures in setting up a
* test case:
* -- configuration of network topology, including
* number of wired and wireless nodes;
* -- configuration of capacity and propagation
* delay of the wired connection
* -- configuration of PHY- and MAC-layer parameters
* for the wireless connections
* -- configuration of traversing traffic flows
* in terms of traffic type (i.e., RMCAT/TCP/UDP),
* arrival and departure patterns
*/
/*
* Defines collection of test cases as specified in
* Section 4 of the rmcat-wireless-tests draft
*/
class RmcatWifiTestSuite : public TestSuite
{
public:
RmcatWifiTestSuite ();
};
RmcatWifiTestSuite :: RmcatWifiTestSuite ()
: TestSuite{"rmcat-wifi", UNIT}
{
// ----------------
// Default test case parameters
// -----------------
uint64_t bw = 1 * (1u << 20); // wired bottleneck capacity: 1Mbps
uint32_t pdel = 50; // forward propagation delay: 50ms
uint32_t qdel = 300; // wired bottleneck queue depth: 300ms
uint64_t rCBR = 300* (1u << 10); // rate of each CBR background flow: 300Kbps
uint32_t simT = 120; // default simulation duration: 120s
uint32_t nRMCAT = 1; // place-holder param for # of RMCAT flows
ns3::WifiMode phyMode = WifiMode ("HtMcs11"); // default PHY mode
const std::vector<uint32_t> t0s; // null time vector as filler
// Default TCP configuration
Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue ("ns3::TcpNewReno"));
Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (RMCAT_TC_TCP_PKTSIZE));
Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (0));
// Uncomment these lines if you wish to modify TCP's send or receive buffer sizes
// Config::SetDefault ("ns3::TcpSocket::RcvBufSize", UintegerValue (RMCAT_TC_TCP_RECVBUF_SIZE));
// Config::SetDefault ("ns3::TcpSocket::SndBufSize", UintegerValue (RMCAT_TC_TCP_RECVBUF_SIZE));
/* start/stop times of background CBR traffic, single flow */
uint32_t nCBR = 1;
std::vector<uint32_t> tstartCBRTC41; // Seconds
std::vector<uint32_t> tstopCBRTC41; // Seconds
tstartCBRTC41.push_back (RMCAT_TC_BG_TSTART); // t_start = 40s
tstopCBRTC41.push_back (RMCAT_TC_BG_TFINIS); // t_stop = 80s
/* start/stop times of background TCP traffic; single flow */
uint32_t nTCP = 1;
std::vector<uint32_t> tstartTCPTC41; // Seconds
std::vector<uint32_t> tstopTCPTC41; // Seconds
tstartTCPTC41.push_back (RMCAT_TC_BG_TSTART); // t_start = 40s
tstopTCPTC41.push_back (RMCAT_TC_BG_TFINIS); // t_stop = 80s
// -----------------------
// Test Case 4.1.a: Wired Bottleneck; Single downlink RMCAT flow [10|00|00]
// -----------------------
RmcatWifiTestCase * tc41a = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.a"};
tc41a->SetSimTime (simT);
tc41a->SetPHYMode (phyMode);
tc41a->SetRMCATFlows (1, t0s, t0s, true);
tc41a->SetRMCATFlows (0, t0s, t0s, false);
// -----------------------
// Test Case 4.1.b: Wired Bottleneck; Single uplink RMCAT flow [01|00|00]
// -----------------------
RmcatWifiTestCase * tc41b = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.b"};
tc41b->SetSimTime (simT);
tc41b->SetPHYMode (phyMode);
tc41b->SetRMCATFlows (0, t0s, t0s, true);
tc41b->SetRMCATFlows (1, t0s, t0s, false);
// -----------------------
// Test Case 4.1.c: Wired Bottleneck; Bi-directional RMCAT flows [11|00|00]
// -----------------------
RmcatWifiTestCase * tc41c = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.c"};
tc41c->SetSimTime (simT);
tc41c->SetPHYMode (phyMode);
tc41c->SetRMCATFlows (1, t0s, t0s, true);
tc41c->SetRMCATFlows (1, t0s, t0s, false);
// -----------------------
// Test Case 4.1.d: Wired Bottleneck;
// Bi-directional RMCAT flow + one downlink UDP background flow
// [11|10|00]
// -----------------------
RmcatWifiTestCase * tc41d = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.d"};
tc41d->SetSimTime (simT);
tc41d->SetPHYMode (phyMode);
tc41d->SetCBRRate (rCBR);
tc41d->SetRMCATFlows (1, t0s, t0s, true);
tc41d->SetRMCATFlows (1, t0s, t0s, false);
tc41d->SetUDPFlows (nCBR, tstartCBRTC41, tstopCBRTC41, true);
tc41d->SetUDPFlows (0, t0s, t0s, false);
// -----------------------
// Test Case 4.1.e: Wired Bottleneck;
// Bi-directional RMCAT flow + one uplink UDP background flow
// [11|01|00]
// -----------------------
RmcatWifiTestCase * tc41e = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.e"};
tc41e->SetSimTime (simT);
tc41e->SetPHYMode (phyMode);
tc41e->SetCBRRate (rCBR);
tc41e->SetRMCATFlows (1, t0s, t0s, true);
tc41e->SetRMCATFlows (1, t0s, t0s, false);
tc41e->SetUDPFlows (0, t0s, t0s, true);
tc41e->SetUDPFlows (nCBR, tstartCBRTC41, tstopCBRTC41, false);
// -----------------------
// Test Case 4.1.f: Wired Bottleneck;
// Bi-directional RMCAT flow + one downlink TCP background flow
// [11|00|10]
// -----------------------
RmcatWifiTestCase * tc41f = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.f"};
tc41f->SetSimTime (simT);
tc41f->SetPHYMode (phyMode);
tc41f->SetRMCATFlows (1, t0s, t0s, true);
tc41f->SetRMCATFlows (1, t0s, t0s, false);
tc41f->SetTCPFlows (nTCP, tstartTCPTC41, tstopTCPTC41, true);
tc41f->SetTCPFlows (0, t0s, t0s, false);
// -----------------------
// Test Case 4.1.g: Wired Bottleneck;
// Bi-directional RMCAT flow + one uplink TCP background flow
// [11|00|01]
// -----------------------
RmcatWifiTestCase * tc41g = new RmcatWifiTestCase{bw, pdel, qdel, "rmcat-wifi-test-case-4.1.g"};
tc41g->SetSimTime (simT);
tc41g->SetPHYMode (phyMode);
tc41g->SetRMCATFlows (1, t0s, t0s, true);
tc41g->SetRMCATFlows (1, t0s, t0s, false);
tc41g->SetTCPFlows (0, t0s, t0s, true);
tc41g->SetTCPFlows (nTCP, tstartTCPTC41, tstopTCPTC41, false);
/*
* Add collection of wired bottleneck test cases
* (Section 4.1. in rmcat-wireless-tests draft)
* to test suite
*/
AddTestCase (tc41a, TestCase::QUICK);
AddTestCase (tc41b, TestCase::QUICK);
AddTestCase (tc41c, TestCase::QUICK);
AddTestCase (tc41d, TestCase::QUICK);
AddTestCase (tc41e, TestCase::QUICK);
AddTestCase (tc41f, TestCase::QUICK);
AddTestCase (tc41g, TestCase::QUICK);
// -----------------------
// Test Case 4.2.x: Wireless Bottleneck
// -----------------------
bw = 100 * (1u << 20); // default wired capacity: 100Mbps
rCBR = 600 * (1u << 10); // rate of each CBR-over-UDP flow: 600Kbps
std::vector<uint32_t> nFlows;
nFlows.push_back (8);
nFlows.push_back (12);
nFlows.push_back (16);
for (size_t i = 0; i<nFlows.size (); ++i) {
uint32_t n = nFlows[i];
std::stringstream ass;
std::stringstream bss;
std::stringstream css;
// -----------------------
// Test Case 4.2.a: Wireless Bottleneck;
// Multiple downlink RMCAT flows
// -----------------------
ass << "rmcat-wifi-test-case-4.2.a-n" << n * 2;
RmcatWifiTestCase * tc42a = new RmcatWifiTestCase{bw, pdel, qdel, ass.str ()};
tc42a->SetSimTime (simT);
tc42a->SetPHYMode (phyMode);
tc42a->SetRMCATFlows (n * 2, t0s, t0s, true);
tc42a->SetRMCATFlows (0, t0s, t0s, false);
// -----------------------
// Test Case 4.2.b: Wireless Bottleneck;
// Multiple uplink RMCAT flows
// -----------------------
bss << "rmcat-wifi-test-case-4.2.b-n" << n * 2;
RmcatWifiTestCase * tc42b = new RmcatWifiTestCase{bw, pdel, qdel, bss.str ()};
tc42b->SetSimTime (simT);
tc42b->SetPHYMode (phyMode);
tc42b->SetRMCATFlows (0, t0s, t0s, true);
tc42b->SetRMCATFlows (n * 2, t0s, t0s, false);
// -----------------------
// Test Case 4.2.c: Wireless Bottleneck;
// Multiple bi-directional RMCAT flows
// -----------------------
css << "rmcat-wifi-test-case-4.2.c-n" << n * 2;
RmcatWifiTestCase * tc42c = new RmcatWifiTestCase{bw, pdel, qdel, css.str ()};
tc42c->SetSimTime (simT);
tc42c->SetPHYMode (phyMode);
tc42c->SetRMCATFlows (n, t0s, t0s, true);
tc42c->SetRMCATFlows (n, t0s, t0s, false);
/* Add test cases to test suite */
// You can comment out these lines if you wish to reduce the time
// it takes to run the suite, as these test cases take a while
AddTestCase (tc42a,TestCase::QUICK);
AddTestCase (tc42b,TestCase::QUICK);
AddTestCase (tc42c,TestCase::QUICK);
}
// -----------------------
// Test Case 4.2.d: Wireless Bottleneck;
// Multiple bi-directional RMCAT flows
// + multiple uplink CBR-over-UDP flows
// -----------------------
nRMCAT = 12;
nCBR = 4;
/* start/stop times of background CBR traffic, multiple flows */
std::vector<uint32_t> tstartCBRTC42; // Seconds
std::vector<uint32_t> tstopCBRTC42; // Seconds
for (uint32_t i = 0; i < nCBR; ++i) {
tstartCBRTC42.push_back (RMCAT_TC_BG_TSTART); // t_start = 40s
tstopCBRTC42.push_back (RMCAT_TC_BG_TFINIS); // t_stop = 80s
}
std::stringstream dss;
dss << "rmcat-wifi-test-case-4.2.d-n" << nRMCAT*2;
RmcatWifiTestCase * tc42d = new RmcatWifiTestCase{bw, pdel, qdel, dss.str ()};
tc42d->SetSimTime (simT);
tc42d->SetPHYMode (phyMode);
tc42d->SetCBRRate (rCBR);
tc42d->SetRMCATFlows (nRMCAT, t0s, t0s, true);
tc42d->SetRMCATFlows (nRMCAT, t0s, t0s, false);
tc42d->SetUDPFlows (0, t0s, t0s, true);
tc42d->SetUDPFlows (nCBR, tstartCBRTC42, tstopCBRTC42, false);
// -----------------------
// Test Case 4.2.f: Wireless Bottleneck;
// Multiple bi-directional RMCAT flows
// + multiple uplink TCP flows
// -----------------------
nRMCAT = 12;
nTCP = 4;
/* start/stop times of background TCP traffic; single flow */
std::vector<uint32_t> tstartTCPTC42; // Seconds
std::vector<uint32_t> tstopTCPTC42; // Seconds
for (uint32_t i = 0; i < nTCP; ++i) {
tstartTCPTC42.push_back (RMCAT_TC_BG_TSTART); // t_start = 40s
tstopTCPTC42.push_back (RMCAT_TC_BG_TFINIS); // t_stop = 80s
}
std::stringstream ess;
ess << "rmcat-wifi-test-case-4.2.e-n" << nRMCAT * 2;
RmcatWifiTestCase * tc42e = new RmcatWifiTestCase{bw, pdel, qdel, ess.str ()};
tc42e->SetSimTime (simT);
tc42e->SetPHYMode (phyMode);
tc42e->SetRMCATFlows (nRMCAT, t0s, t0s, true);
tc42e->SetRMCATFlows (nRMCAT, t0s, t0s, false);
tc42e->SetTCPFlows (0, t0s, t0s, true);
tc42e->SetTCPFlows (nTCP, tstartTCPTC42, tstopTCPTC42, false);
/*
* Add collection of wi-fi bottleneck test cases
* (Section 4.2. in rmcat-wireless-tests draft)
* to test suite
*/
AddTestCase (tc42d,TestCase::QUICK);
AddTestCase (tc42e,TestCase::QUICK);
}
static RmcatWifiTestSuite rmcatWifiTestSuite;