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SocketReactorTest.cpp

//
// SocketReactorTest.cpp
//
// $Id: //poco/1.2/Net/testsuite/src/SocketReactorTest.cpp#1 $
//
// Copyright (c) 2005-2006, 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 "SocketReactorTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Net/SocketReactor.h"
#include "Poco/Net/SocketNotification.h"
#include "Poco/Net/SocketConnector.h"
#include "Poco/Net/SocketAcceptor.h"
#include "Poco/Net/StreamSocket.h"
#include "Poco/Net/ServerSocket.h"
#include "Poco/Net/SocketAddress.h"
#include "Poco/Observer.h"
#include <sstream>


using Poco::Net::SocketReactor;
using Poco::Net::SocketConnector;
using Poco::Net::SocketAcceptor;
using Poco::Net::StreamSocket;
using Poco::Net::ServerSocket;
using Poco::Net::SocketAddress;
using Poco::Net::SocketNotification;
using Poco::Net::ReadableNotification;
using Poco::Net::WritableNotification;
using Poco::Net::TimeoutNotification;
using Poco::Net::ShutdownNotification;
using Poco::Observer;


namespace
{
      class EchoServiceHandler
      {
      public:
            EchoServiceHandler(StreamSocket& socket, SocketReactor& reactor):
                  _socket(socket),
                  _reactor(reactor)
            {
                  _reactor.addEventHandler(_socket, Observer<EchoServiceHandler, ReadableNotification>(*this, &EchoServiceHandler::onReadable));
            }
            
            ~EchoServiceHandler()
            {
                  _reactor.removeEventHandler(_socket, Observer<EchoServiceHandler, ReadableNotification>(*this, &EchoServiceHandler::onReadable));
            }
            
            void onReadable(ReadableNotification* pNf)
            {
                  pNf->release();
                  char buffer[8];
                  int n = _socket.receiveBytes(buffer, sizeof(buffer));
                  if (n > 0)
                  {
                        _socket.sendBytes(buffer, n);
                  }
                  else
                  {
                        _socket.shutdownSend();
                        delete this;
                  }
            }
            
      private:
            StreamSocket   _socket;
            SocketReactor& _reactor;
      };
      
      class ClientServiceHandler
      {
      public:
            ClientServiceHandler(StreamSocket& socket, SocketReactor& reactor):
                  _socket(socket),
                  _reactor(reactor)
            {
                  _timeout = false;
                  _reactor.addEventHandler(_socket, Observer<ClientServiceHandler, ReadableNotification>(*this, &ClientServiceHandler::onReadable));
                  _reactor.addEventHandler(_socket, Observer<ClientServiceHandler, WritableNotification>(*this, &ClientServiceHandler::onWritable));
                  _reactor.addEventHandler(_socket, Observer<ClientServiceHandler, TimeoutNotification>(*this, &ClientServiceHandler::onTimeout));
            }
            
            ~ClientServiceHandler()
            {
            }
            
            void onReadable(ReadableNotification* pNf)
            {
                  pNf->release();
                  char buffer[32];
                  int n = _socket.receiveBytes(buffer, sizeof(buffer));
                  if (n > 0)
                  {
                        _str.write(buffer, n);
                  }
                  else
                  {
                        _reactor.removeEventHandler(_socket, Observer<ClientServiceHandler, ReadableNotification>(*this, &ClientServiceHandler::onReadable));
                        _reactor.stop();
                        _data = _str.str();
                        delete this;
                  }
            }
            
            void onWritable(WritableNotification* pNf)
            {
                  pNf->release();
                  _reactor.removeEventHandler(_socket, Observer<ClientServiceHandler, WritableNotification>(*this, &ClientServiceHandler::onWritable));
                  std::string data(1024, 'x');
                  _socket.sendBytes(data.data(), (int) data.length());
                  _socket.shutdownSend();
            }
            
            void onTimeout(TimeoutNotification* pNf)
            {
                  pNf->release();
                  _timeout = true;
                  if (_closeOnTimeout) 
                  {
                        _reactor.stop();
                        delete this;
                  }
            }
            
            static std::string data()
            {
                  return _data;
            }
            
            static bool timeout()
            {
                  return _timeout;
            }

            static bool getCloseOnTimeout()
            {
                  return _closeOnTimeout;
            }
            
            static void setCloseOnTimeout(bool flag)
            {
                  _closeOnTimeout = flag;
            }
            
      private:
            StreamSocket       _socket;
            SocketReactor&     _reactor;
            std::stringstream  _str;
            static std::string _data;
            static bool        _timeout;
            static bool        _closeOnTimeout;
      };
      
      
      std::string ClientServiceHandler::_data;
      bool ClientServiceHandler::_timeout = false;
      bool ClientServiceHandler::_closeOnTimeout = false;
      
      
      class FailConnector: public SocketConnector<ClientServiceHandler>
      {
      public:
            FailConnector(SocketAddress& address, SocketReactor& reactor):
                  SocketConnector<ClientServiceHandler>(address, reactor),
                  _failed(false),
                  _shutdown(false)
            {
                  reactor.addEventHandler(socket(), Observer<FailConnector, ShutdownNotification>(*this, &FailConnector::onShutdown));
            }
            
            void onShutdown(ShutdownNotification* pNf)
            {
                  pNf->release();
                  _shutdown = true;
            }
            
            void onError(int error)
            {
                  _failed = true;
                  reactor()->stop();
            }
            
            bool failed() const
            {
                  return _failed;
            }

            bool shutdown() const
            {
                  return _shutdown;
            }
            
      private:
            bool _failed;
            bool _shutdown;
      };
}


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


SocketReactorTest::~SocketReactorTest()
{
}


void SocketReactorTest::testSocketReactor()
{
      SocketAddress ssa;
      ServerSocket ss(ssa);
      SocketReactor reactor;
      SocketAcceptor<EchoServiceHandler> acceptor(ss, reactor);
      SocketAddress sa("localhost", ss.address().port());
      SocketConnector<ClientServiceHandler> connector(sa, reactor);
      reactor.run();
      std::string data(ClientServiceHandler::data());
      assert (data.size() == 1024);
}


void SocketReactorTest::testSocketConnectorFail()
{
      SocketReactor reactor;
      SocketAddress sa("192.168.168.192", 12345);
      FailConnector connector(sa, reactor);
      assert (!connector.failed());
      assert (!connector.shutdown());
      reactor.run();
      assert (connector.failed());
      assert (connector.shutdown());
}


void SocketReactorTest::testSocketConnectorTimeout()
{
      ClientServiceHandler::setCloseOnTimeout(true);
      
      SocketAddress ssa;
      ServerSocket ss(ssa);
      SocketReactor reactor;
      SocketAddress sa("localhost", ss.address().port());
      SocketConnector<ClientServiceHandler> connector(sa, reactor);
      reactor.run();
      assert (ClientServiceHandler::timeout());
}


void SocketReactorTest::setUp()
{
      ClientServiceHandler::setCloseOnTimeout(false);
}


void SocketReactorTest::tearDown()
{
}


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

      CppUnit_addTest(pSuite, SocketReactorTest, testSocketReactor);
      CppUnit_addTest(pSuite, SocketReactorTest, testSocketConnectorFail);
      CppUnit_addTest(pSuite, SocketReactorTest, testSocketConnectorTimeout);

      return pSuite;
}

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