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TCPServerTest.cpp

//
// TCPServerTest.cpp
//
// $Id: //poco/1.2/NetSSL_OpenSSL/testsuite/src/TCPServerTest.cpp#3 $
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "TCPServerTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Net/TCPServer.h"
#include "Poco/Net/TCPServerConnection.h"
#include "Poco/Net/TCPServerConnectionFactory.h"
#include "Poco/Net/TCPServerParams.h"
#include "Poco/Net/SecureStreamSocket.h"
#include "Poco/Net/SecureServerSocket.h"
#include "Poco/Thread.h"
#include <iostream>


using Poco::Net::TCPServer;
using Poco::Net::TCPServerConnection;
using Poco::Net::TCPServerConnectionFactory;
using Poco::Net::TCPServerConnectionFactoryImpl;
using Poco::Net::TCPServerParams;
using Poco::Net::StreamSocket;
using Poco::Net::SecureStreamSocket;
using Poco::Net::SecureServerSocket;
using Poco::Net::SocketAddress;
using Poco::Thread;


namespace
{
      class EchoConnection: public TCPServerConnection
      {
      public:
            EchoConnection(const StreamSocket& s): TCPServerConnection(s)
            {
            }
            
            void run()
            {
                  StreamSocket& ss = socket();
                  try
                  {
                        char buffer[256];
                        int n = ss.receiveBytes(buffer, sizeof(buffer));
                        while (n > 0)
                        {
                              ss.sendBytes(buffer, n);
                              n = ss.receiveBytes(buffer, sizeof(buffer));
                        }
                  }
                  catch (Poco::Exception& exc)
                  {
                        std::cerr << "EchoConnection: " << exc.displayText() << std::endl;
                  }
            }
      };
}


TCPServerTest::TCPServerTest(const std::string& name): CppUnit::TestCase(name)
{
}


TCPServerTest::~TCPServerTest()
{
}


void TCPServerTest::testOneConnection()
{
      SecureServerSocket svs(0);
      TCPServer srv(new TCPServerConnectionFactoryImpl<EchoConnection>(), svs);
      srv.start();
      assert (srv.currentConnections() == 0);
      assert (srv.currentThreads() == 0);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 0);
      
      SocketAddress sa("localhost", svs.address().port());
      SecureStreamSocket ss1(sa);
      std::string data("hello, world");
      ss1.sendBytes(data.data(), (int) data.size());
      char buffer[256];
      int n = ss1.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);
      assert (srv.currentConnections() == 1);
      assert (srv.currentThreads() == 1);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 1);
      ss1.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 0);
}


void TCPServerTest::testTwoConnections()
{
      SecureServerSocket svs(0);
      TCPServer srv(new TCPServerConnectionFactoryImpl<EchoConnection>(), svs);
      srv.start();
      assert (srv.currentConnections() == 0);
      assert (srv.currentThreads() == 0);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 0);
      
      SocketAddress sa("localhost", svs.address().port());
      SecureStreamSocket ss1(sa);
      SecureStreamSocket ss2(sa);
      std::string data("hello, world");
      ss1.sendBytes(data.data(), (int) data.size());
      ss2.sendBytes(data.data(), (int) data.size());

      char buffer[256];
      int n = ss1.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);

      n = ss2.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);
      
      assert (srv.currentConnections() == 2);
      assert (srv.currentThreads() == 2);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 2);
      ss1.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 1);
      assert (srv.currentThreads() == 1);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 2);
      ss2.close();

      Thread::sleep(300);
      assert (srv.currentConnections() == 0);
}


void TCPServerTest::testMultiConnections()
{
      SecureServerSocket svs(0);
      TCPServerParams* pParams = new TCPServerParams;
      pParams->setMaxThreads(4);
      pParams->setMaxQueued(4);
      pParams->setThreadIdleTime(100);
      TCPServer srv(new TCPServerConnectionFactoryImpl<EchoConnection>(), svs, pParams);
      srv.start();
      assert (srv.currentConnections() == 0);
      assert (srv.currentThreads() == 0);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 0);
      
      SocketAddress sa("localhost", svs.address().port());
      SecureStreamSocket ss1(sa);
      SecureStreamSocket ss2(sa);
      SecureStreamSocket ss3(sa);
      SecureStreamSocket ss4(sa);
      std::string data("hello, world");
      ss1.sendBytes(data.data(), (int) data.size());
      ss2.sendBytes(data.data(), (int) data.size());
      ss3.sendBytes(data.data(), (int) data.size());
      ss4.sendBytes(data.data(), (int) data.size());

      char buffer[256];
      int n = ss1.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);

      n = ss2.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);

      n = ss3.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);

      n = ss4.receiveBytes(buffer, sizeof(buffer));
      assert (n > 0);
      assert (std::string(buffer, n) == data);
      
      assert (srv.currentConnections() == 4);
      assert (srv.currentThreads() == 4);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 4);
      
      SecureStreamSocket ss5(sa);
      Thread::sleep(200);
      assert (srv.queuedConnections() == 1);
      SecureStreamSocket ss6(sa);
      Thread::sleep(200);
      assert (srv.queuedConnections() == 2);
      
      ss1.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 4);
      assert (srv.currentThreads() == 4);
      assert (srv.queuedConnections() == 1);
      assert (srv.totalConnections() == 5);

      ss2.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 4);
      assert (srv.currentThreads() == 4);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 6);
      
      ss3.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 3);
      assert (srv.currentThreads() == 3);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 6);

      ss4.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 2);
      assert (srv.currentThreads() == 2);
      assert (srv.queuedConnections() == 0);
      assert (srv.totalConnections() == 6);

      ss5.close();
      ss6.close();
      Thread::sleep(300);
      assert (srv.currentConnections() == 0);}


void TCPServerTest::setUp()
{
}


void TCPServerTest::tearDown()
{
}


CppUnit::Test* TCPServerTest::suite()
{
      CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("TCPServerTest");

      CppUnit_addTest(pSuite, TCPServerTest, testOneConnection);
      CppUnit_addTest(pSuite, TCPServerTest, testTwoConnections);
      CppUnit_addTest(pSuite, TCPServerTest, testMultiConnections);

      return pSuite;
}

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