Added HighSpeed test
This commit is contained in:
Natale Patriciello
242
src/internet/test/tcp-highspeed-test.cc
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242
src/internet/test/tcp-highspeed-test.cc
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2015 Natale Patriciello, <natale.patriciello@gmail.com>
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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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*/
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#include "ns3/test.h"
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#include "ns3/log.h"
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#include "ns3/tcp-congestion-ops.h"
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#include "ns3/tcp-socket-base.h"
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#include "ns3/tcp-highspeed.h"
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namespace ns3 {
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NS_LOG_COMPONENT_DEFINE ("TcpHighSpeedTestSuite");
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/**
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* \brief Testing the congestion avoidance increment on TcpHighSpeed
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*/
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class TcpHighSpeedIncrementTest : public TestCase
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{
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public:
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TcpHighSpeedIncrementTest (uint32_t cWnd, uint32_t segmentSize,
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const std::string &name);
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private:
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virtual void DoRun (void);
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uint32_t m_cWnd;
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uint32_t m_segmentSize;
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Ptr<TcpSocketState> m_state;
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};
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TcpHighSpeedIncrementTest::TcpHighSpeedIncrementTest (uint32_t cWnd,
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uint32_t segmentSize,
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const std::string &name)
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: TestCase (name),
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m_cWnd (cWnd),
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m_segmentSize (segmentSize)
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{
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}
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void
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TcpHighSpeedIncrementTest::DoRun ()
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{
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m_state = CreateObject<TcpSocketState> ();
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m_state->m_cWnd = m_cWnd;
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m_state->m_segmentSize = m_segmentSize;
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Ptr<TcpHighSpeed> cong = CreateObject <TcpHighSpeed> ();
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uint32_t segCwnd = m_cWnd / m_segmentSize;
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uint32_t coeffA = TcpHighSpeed::TableLookupA (segCwnd);
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// Each received ACK weight is "coeffA". To see an increase of 1 MSS, we need
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// to ACK at least segCwnd/coeffA ACK.
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cong->IncreaseWindow (m_state, (segCwnd / coeffA) + 1);
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NS_TEST_ASSERT_MSG_EQ (m_state->m_cWnd.Get (), m_cWnd + m_segmentSize,
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"CWnd has not increased");
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}
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/**
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* \brief Testing the congestion avoidance increment on TcpHighSpeed
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*/
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class TcpHighSpeedDecrementTest : public TestCase
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{
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public:
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TcpHighSpeedDecrementTest (uint32_t ssThresh, uint32_t segmentSize,
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const std::string &name);
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private:
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virtual void DoRun (void);
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uint32_t m_cWnd;
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uint32_t m_segmentSize;
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Ptr<TcpSocketState> m_state;
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};
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TcpHighSpeedDecrementTest::TcpHighSpeedDecrementTest (uint32_t cWnd,
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uint32_t segmentSize,
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const std::string &name)
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: TestCase (name),
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m_cWnd (cWnd),
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m_segmentSize (segmentSize)
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{
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}
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void
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TcpHighSpeedDecrementTest::DoRun ()
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{
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m_state = CreateObject<TcpSocketState> ();
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m_state->m_cWnd = m_cWnd;
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m_state->m_segmentSize = m_segmentSize;
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Ptr<TcpHighSpeed> cong = CreateObject <TcpHighSpeed> ();
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uint32_t segCwnd = m_cWnd / m_segmentSize;
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double coeffB = 1.0 - TcpHighSpeed::TableLookupB (segCwnd);
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uint32_t ret = cong->GetSsThresh (m_state, m_state->m_cWnd);
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uint32_t ssThHS = std::max (2.0, segCwnd * coeffB);
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NS_TEST_ASSERT_MSG_EQ (ret / m_segmentSize, ssThHS,
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"HighSpeed decrement fn not used");
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}
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// -------------------------------------------------------------------
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static const struct HighSpeedImportantValues
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{
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unsigned int cwnd;
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unsigned int md;
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} highSpeedImportantValues[] = {
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{ 38, 128, /* 0.50 */ },
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{ 118, 112, /* 0.44 */ },
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{ 221, 104, /* 0.41 */ },
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{ 347, 98, /* 0.38 */ },
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{ 495, 93, /* 0.37 */ },
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{ 663, 89, /* 0.35 */ },
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{ 851, 86, /* 0.34 */ },
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{ 1058, 83, /* 0.33 */ },
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{ 1284, 81, /* 0.32 */ },
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{ 1529, 78, /* 0.31 */ },
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{ 1793, 76, /* 0.30 */ },
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{ 2076, 74, /* 0.29 */ },
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{ 2378, 72, /* 0.28 */ },
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{ 2699, 71, /* 0.28 */ },
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{ 3039, 69, /* 0.27 */ },
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{ 3399, 68, /* 0.27 */ },
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{ 3778, 66, /* 0.26 */ },
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{ 4177, 65, /* 0.26 */ },
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{ 4596, 64, /* 0.25 */ },
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{ 5036, 62, /* 0.25 */ },
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{ 5497, 61, /* 0.24 */ },
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{ 5979, 60, /* 0.24 */ },
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{ 6483, 59, /* 0.23 */ },
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{ 7009, 58, /* 0.23 */ },
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{ 7558, 57, /* 0.22 */ },
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{ 8130, 56, /* 0.22 */ },
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{ 8726, 55, /* 0.22 */ },
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{ 9346, 54, /* 0.21 */ },
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{ 9991, 53, /* 0.21 */ },
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{ 10661, 52, /* 0.21 */ },
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{ 11358, 52, /* 0.20 */ },
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{ 12082, 51, /* 0.20 */ },
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{ 12834, 50, /* 0.20 */ },
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{ 13614, 49, /* 0.19 */ },
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{ 14424, 48, /* 0.19 */ },
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{ 15265, 48, /* 0.19 */ },
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{ 16137, 47, /* 0.19 */ },
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{ 17042, 46, /* 0.18 */ },
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{ 17981, 45, /* 0.18 */ },
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{ 18955, 45, /* 0.18 */ },
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{ 19965, 44, /* 0.17 */ },
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{ 21013, 43, /* 0.17 */ },
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{ 22101, 43, /* 0.17 */ },
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{ 23230, 42, /* 0.17 */ },
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{ 24402, 41, /* 0.16 */ },
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{ 25618, 41, /* 0.16 */ },
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{ 26881, 40, /* 0.16 */ },
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{ 28193, 39, /* 0.16 */ },
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{ 29557, 39, /* 0.15 */ },
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{ 30975, 38, /* 0.15 */ },
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{ 32450, 38, /* 0.15 */ },
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{ 33986, 37, /* 0.15 */ },
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{ 35586, 36, /* 0.14 */ },
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{ 37253, 36, /* 0.14 */ },
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{ 38992, 35, /* 0.14 */ },
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{ 40808, 35, /* 0.14 */ },
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{ 42707, 34, /* 0.13 */ },
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{ 44694, 33, /* 0.13 */ },
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{ 46776, 33, /* 0.13 */ },
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{ 48961, 32, /* 0.13 */ },
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{ 51258, 32, /* 0.13 */ },
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{ 53677, 31, /* 0.12 */ },
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{ 56230, 30, /* 0.12 */ },
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{ 58932, 30, /* 0.12 */ },
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{ 61799, 29, /* 0.12 */ },
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{ 64851, 28, /* 0.11 */ },
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{ 68113, 28, /* 0.11 */ },
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{ 71617, 27, /* 0.11 */ },
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{ 75401, 26, /* 0.10 */ },
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{ 79517, 26, /* 0.10 */ },
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{ 84035, 25, /* 0.10 */ },
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{ 89053, 24, /* 0.10 */ },
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};
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#define HIGHSPEED_VALUES_N 71
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static class TcpHighSpeedTestSuite : public TestSuite
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{
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public:
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TcpHighSpeedTestSuite () : TestSuite ("tcp-highspeed-test", UNIT)
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{
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std::stringstream ss;
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for (uint32_t i = 0; i < HIGHSPEED_VALUES_N; ++i)
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{
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ss << highSpeedImportantValues[i].cwnd;
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AddTestCase (new TcpHighSpeedIncrementTest (highSpeedImportantValues[i].cwnd, 1,
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"Highspeed increment test on cWnd " + ss.str ()),
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TestCase::QUICK);
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AddTestCase (new TcpHighSpeedIncrementTest (highSpeedImportantValues[i].cwnd * 536, 536,
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"Highspeed increment test on cWnd " + ss.str ()),
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TestCase::QUICK);
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AddTestCase (new TcpHighSpeedIncrementTest (highSpeedImportantValues[i].cwnd * 1446, 1446,
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"Highspeed increment test on cWnd " + ss.str ()),
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TestCase::QUICK);
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AddTestCase (new TcpHighSpeedDecrementTest (highSpeedImportantValues[i].cwnd, 1,
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"Highspeed Decrement test on cWnd " + ss.str ()),
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TestCase::QUICK);
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AddTestCase (new TcpHighSpeedDecrementTest (highSpeedImportantValues[i].cwnd * 536, 536,
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"Highspeed Decrement test on cWnd " + ss.str ()),
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TestCase::QUICK);
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AddTestCase (new TcpHighSpeedDecrementTest (highSpeedImportantValues[i].cwnd * 1446, 1446,
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"Highspeed Decrement test on cWnd " + ss.str ()),
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TestCase::QUICK);
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ss.flush ();
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}
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}
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} g_tcpHighSpeedTest;
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} // namespace ns3
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11
src/internet/test/tcp-highspeed-test.h
Normal file
11
src/internet/test/tcp-highspeed-test.h
Normal file
@@ -0,0 +1,11 @@
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#ifndef TCPHIGHSPEEDTEST_H
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#define TCPHIGHSPEEDTEST_H
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class TcpHighSpeedTest
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{
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public:
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TcpHighSpeedTest();
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};
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#endif // TCPHIGHSPEEDTEST_H
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@@ -239,6 +239,7 @@ def build(bld):
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'test/tcp-cong-avoid-test.cc',
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'test/tcp-fast-retr-test.cc',
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'test/tcp-rto-test.cc',
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'test/tcp-highspeed-test.cc',
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'test/udp-test.cc',
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'test/ipv6-address-generator-test-suite.cc',
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'test/ipv6-dual-stack-test-suite.cc',
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