qtcplistendevice.cpp

来自「BCB下的高效开发包。包含大并发的网络库」· C++ 代码 · 共 77 行

#include "QTcpListenDevice.H"
#include "../QNetBase/QNetBase.h"
using namespace N_QTcpListenDevice;
//---------------------------------------------------------------------------
IQTcpListenDevice* __stdcall IQTcpListenDevice::Create(void)
{
        return new QTcpListenDevice();
}
//---------------------------------------------------------------------------
__stdcall QTcpListenDevice::QTcpListenDevice()
    : m_Socket(0)
{

}
//---------------------------------------------------------------------------
__stdcall QTcpListenDevice::~QTcpListenDevice()
{
        this->Stop();
}
//---------------------------------------------------------------------------
bool __stdcall QTcpListenDevice::Start(unsigned int Port)
{
        if (this->IsPowerOn())
                return false;
        m_Socket = _QCreateSocket();
        if (m_Socket <= 0)
                return false;//创建socket失败
        if (!_QBind(m_Socket, Port)) {
                _QClose(m_Socket);
                m_Socket = 0;
                return false;
        }
        return true;
}
//---------------------------------------------------------------------------
void __stdcall QTcpListenDevice::Stop(void)
{
        if (!this->IsPowerOn())
                return;
        _QClose(m_Socket);
        m_Socket = 0;//停止
        int Sock_Del = 0;//清空存放的Socket
        while(this->m_SocketQueue.recv(&Sock_Del) ) {
                _QClose(Sock_Del);
        }
}
//---------------------------------------------------------------------------
bool __stdcall QTcpListenDevice::IsPowerOn(void)const
{
        return 0 != m_Socket;
}
//---------------------------------------------------------------------------
void __stdcall QTcpListenDevice::Process(void)
{
        if (!this->IsPowerOn())
                return;
        _QSetBlock(m_Socket, false);//非阻塞
        while(_QWaitIn(m_Socket, 0)) {
                if (m_SocketQueue.size() > MAX_QUEUED_SOCKET)
                        break;//存放太多则不再接收
                int NewSock = 0;
                if (!_QAccept(m_Socket,&NewSock))
                        break;
                if (NewSock <= 0)
                        continue;
                m_SocketQueue.send(NewSock);
        }
}
//---------------------------------------------------------------------------
bool __stdcall QTcpListenDevice::GetAccepted(int* pSocketHandle)
{
       return m_SocketQueue.recv(pSocketHandle);
}
//---------------------------------------------------------------------------