控制台线程聊天程序

今天突然想写写控制台上的聊天程序，不想使用客户端、服务器模式编写，所以想到了用两个线程来控制。但是只能在自己的本机测试成功。

应该说是离成功还远着了。首先如果实现多机通信，那么我设置的一个接听、一个发送的线程，要怎么样的执行了。那么就设置一个互斥量，让两个进程一个以接受为先进程，另一个以发送为先进程这样他们就能开始通信了。只能一问一答式的进行聊天。这样就有问题了。不能同时实时聊天。还有什么方法能解决这个问题，请高手指点啊。

#include <stdio.h>

#include <Winsock2.h>

//#include <StdAfx.h>

SOCKET sock;

 

struct SOCKPARAM{

SOCKET m_sock;

};

 

bool InitSock()

{

sock = socket(AF_INET,SOCK_DGRAM,0);

if(sock == INVALID_SOCKET)

{

printf("Socket Create Failed!/n");

return FALSE;

}

SOCKADDR_IN addrSock;

addrSock.sin_addr.S_un.S_addr = inet_addr("192.168.104.133");

addrSock.sin_family = AF_INET;

addrSock.sin_port = htons(6000);

    int retval;

retval = bind(sock,(SOCKADDR*)&addrSock,sizeof(SOCKADDR));

if(retval == SOCKET_ERROR)

{

printf("Socket Bind Failed!/n");

return FALSE;

}

return TRUE;

}

DWORD WINAPI RecvProc(

LPVOID lpParameter);

 

DWORD WINAPI SendProc(

LPVOID lpParameter);

 

HANDLE Mutex;

void main()

{

WORD wVersionRequested;

WSADATA wsaData;

int err;

wVersionRequested = MAKEWORD( 2, 2 );

err = WSAStartup( wVersionRequested, &wsaData );

if ( err != 0 ) {

return;

}

if ( LOBYTE( wsaData.wVersion ) != 2 ||

        HIBYTE( wsaData.wVersion ) != 2 ) {

WSACleanup( );

return; 

}

if(FALSE == InitSock())

{

return ;

}

SOCKPARAM * lpParam = new SOCKPARAM;

lpParam->m_sock = sock;

 

HANDLE Thread1 = CreateThread(NULL,0,RecvProc,(LPVOID)lpParam,0,NULL);

HANDLE Thread2 = CreateThread(NULL,0,SendProc,(LPVOID)lpParam,0,NULL);

CloseHandle(Thread1);

CloseHandle(Thread2);

 

Mutex = CreateMutex(NULL,FALSE,NULL);

if(Mutex)

{

if(ERROR_ALREADY_EXISTS == GetLastError())

{

printf("only instance can run!");

return ;

}

}

//Sleep(10);

//CreateMutex(

while(1);

return;

}

 

DWORD WINAPI SendProc(

LPVOID lpParameter)

{

SOCKADDR_IN addrSend;

addrSend.sin_addr.S_un.S_addr = inet_addr("192.168.104.137");

addrSend.sin_family = AF_INET;

addrSend.sin_port = htons(6000);

 

SOCKET sendsock;

sendsock = ((SOCKPARAM *)lpParameter)->m_sock;

char sendBuf[200];

//memset(sendBuf,NULL,sizeof(sendBuf));

//char tempBuf[300];

while(true)

{

//Sleep(1);

WaitForSingleObject(Mutex,INFINITE);

gets(sendBuf);

sendto(sendsock,sendBuf,strlen(sendBuf)+1,0,(SOCKADDR*)&addrSend,sizeof(SOCKADDR));

ReleaseMutex(Mutex);

}

return 0;

}

 

DWORD WINAPI RecvProc(

LPVOID lpParameter)

{

SOCKADDR_IN addrRecv;

addrRecv.sin_addr.S_un.S_addr = htonl(INADDR_ANY);

addrRecv.sin_family = AF_INET;

addrRecv.sin_port = htons(6000);

 

SOCKET recvsock = ((SOCKPARAM *)lpParameter)->m_sock;

 

int len = sizeof(SOCKADDR);

char recvBuf[200];

char tempBuf[300];

while(true)

{

//Sleep(1);

WaitForSingleObject(Mutex,INFINITE);

recvfrom(recvsock,recvBuf,200,0,(SOCKADDR*)&addrRecv,&len);

sprintf(tempBuf,"%s Says:  %s",inet_ntoa(addrRecv.sin_addr),recvBuf);

printf("%s/n",tempBuf);

ReleaseMutex(Mutex);

if(!strcmp(recvBuf,"bye"))

{

exit(0);

}

}

return 0;

}