wnmj/Classes/Network/ClientNetDelegate.cpp

/****************************************************************************
Copyright (c) 2014 Lijunlin - Jason lee

Created by Lijunlin - Jason lee on 2014

jason.lee.c@foxmail.com
http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "ClientNetDelegate.h"

NS_CC_BEGIN

ClientNetDelegate::ClientNetDelegate()
: m_fSoTimeout(SOCKET_SOTIMEOUT)
, m_eStatus(eSocketIoClosed)
, m_fConnectingDuration(0.0f)
, m_iSendCout(0)
{
	m_pSendBuffer = new char[SOCKET_READ_BUFFER_SIZE];
	m_pReadBuffer = new char[SOCKET_READ_BUFFER_SIZE];

	cocos2d::Director::getInstance()->getScheduler()->schedule(CC_SCHEDULE_SELECTOR(ClientNetDelegate::runSchedule),this,0.0f,false);
}

ClientNetDelegate::~ClientNetDelegate()
{
	cocos2d::log("ClientNetDelegate::~ClientNetDelegate()");
	delete[] m_pReadBuffer;
	m_pReadBuffer = nullptr;
	delete[] m_pSendBuffer;
	m_pSendBuffer = nullptr;
	m_oSocket.ccClose();
	cocos2d::Director::getInstance()->getScheduler()->unschedule(CC_SCHEDULE_SELECTOR(ClientNetDelegate::runSchedule),this);
}

void ClientNetDelegate::setInetAddress(const ClientInetAddress& oInetAddress)
{
	m_oInetAddress = oInetAddress;
}

const ClientInetAddress& ClientNetDelegate::getInetAddress() const
{
	return m_oInetAddress;
}

void ClientNetDelegate::setSoTimeout(float fSoTimeout)
{
	m_fSoTimeout = fSoTimeout;
}

float ClientNetDelegate::getSoTimeout() const
{
	return m_fSoTimeout;
}

void ClientNetDelegate::send(const char* pData,int iSize)
{
	if( iSize == 0 || !isConnected() )
		return;

	memcpy(&(m_pSendBuffer[m_iSendCout]), pData, iSize);
	m_iSendCout+=iSize;
}

bool ClientNetDelegate::isConnected()
{
	return m_eStatus == eSocketConnected;
}

bool ClientNetDelegate::connect()
{
	m_iSendCout = 0;
	if( m_eStatus != eSocketConnected && m_eStatus != eSocketConnecting )
	{
		m_oSocket.setInetAddress(m_oInetAddress);
		if( m_oSocket.ccConnect() )
		{
			m_eStatus = eSocketConnecting;
			return true;
		}
	}
	return false;
}

void ClientNetDelegate::disconnect()
{
	if( m_eStatus == eSocketConnected )
	{
		m_oSocket.ccDisconnect();
		m_eStatus = eSocketDisconnected;
		onDisconnected();
	}
}

void ClientNetDelegate::close()
{
	cocos2d::log("ClientNetDelegate::close()");
	if( m_eStatus == eSocketConnected )
	{
		m_oSocket.ccClose();
		m_eStatus = eSocketIoClosed;
		onDisconnected();
	}
}

void ClientNetDelegate::runSchedule(float dt)
{
	switch( m_eStatus )
	{
	case eSocketConnecting:
		{
			switch( m_oSocket.ccIsConnected() )
			{
			case eSocketConnected:
				{
					m_eStatus = eSocketConnected;
					onConnected();
				}
				break;
			case eSocketConnectFailed:
				{
                    m_oSocket.ccClose();
					m_eStatus = eSocketConnectFailed;
					onExceptionCaught(eSocketConnectFailed);
				}
				break;
			case eSocketConnecting:
				{
					if( m_fConnectingDuration > m_fSoTimeout )
					{
						m_oSocket.ccDisconnect();
						m_eStatus = eSocketDisconnected;
						onConnectTimeout();
						m_fConnectingDuration = 0.0f;
					}
					else
					{
						m_fConnectingDuration += dt;
					}
					
				}
				break;
			default:
				break;
			}
		}
		break;
	case eSocketConnected:
		{
#if HANDLE_ON_SINGLE_FRAME
			while( m_oSocket.ccIsSocketVaild(true) )
#else
			if( m_oSocket.ccIsSocketVaild(true) )
#endif
			{
				if( this->runRead() ) return;
			}

#if HANDLE_ON_SINGLE_FRAME
			while( m_oSocket.ccIsSocketVaild(false) && m_iSendCout )
#else
			if( m_oSocket.ccIsSocketVaild(false) && !m_pSendBuffer.empty() )
#endif
			{
				if( this->runWrite() ) return;
			}
		}
		break;
	default:
		break;
	}	
}

bool ClientNetDelegate::runRead()
{
	memset(m_pReadBuffer,0,SOCKET_READ_BUFFER_SIZE);
	int nRet = m_oSocket.ccRead(m_pReadBuffer, SOCKET_READ_BUFFER_SIZE);
	if( nRet == eSocketIoError || nRet == eSocketIoClosed )
	{
		m_oSocket.ccClose();
		m_eStatus = eSocketIoClosed;
		onExceptionCaught(eSocketIoError);
		return true;
	}
	else
	{
#if DEBUG_SOCKET_DATA_INFO
		CCLOG("CCSOCKET READ %d", nRet);
#endif
		onMessageReceived(m_pReadBuffer,nRet);
	}
	return false;
}

bool ClientNetDelegate::runWrite()
{
	CCLOG("ClientNetDelegate::runWrite()");
	int nRet = m_oSocket.ccWrite(&m_pSendBuffer[0], m_iSendCout);
#if DEBUG_SOCKET_DATA_INFO
	CCLOG("CCSOCKET WRITE %d", nRet);
#endif
	if( nRet == eSocketIoError )
	{
		m_oSocket.ccClose();
		m_eStatus = eSocketIoClosed;
		onExceptionCaught(eSocketIoClosed);
		return true;
	}
	else if( nRet >= m_iSendCout)
	{
		m_iSendCout = 0;
	}
	else
	{
		m_iSendCout -= nRet;
	}
	return false;
}

NS_CC_END