DWORD WINAPI ThreadProc(LPVOID lpParameter) //接收数据包线程函数
{
ThreadParam* param = (ThreadParam*) lpParameter;
SOCKET s = param->m_s;
OnMsgComeEvent callback = param->m_fun;
delete param;
PACKAGE package;
SOCKADDR_IN addrClient;
int len=sizeof(SOCKADDR);
int revlength = 0;
int length;
int recvlen = 0;
while (true)
{
int recvlen = recvfrom(s, package.Getdata(0),sizeof(PACKAGE), 0, (SOCKADDR*)&addrClient, &len); //接收包中的前四个字节 得到包长度
if (recvlen == package.GetLength()) //接收到一个包 UDP不会粘包
{
callback(addrClient.sin_addr.S_un.S_addr, package);
}
}
return 0;
}
//发送数据
extern "C" INETWORK_API bool SendMessage( PACKAGE& msg, int port /*= 3250*/, unsigned long RecverIP /*= NULL*/ )
{
if (0 == CNetWork::g_SendSocket)
{
CNetWork::InitWinSokcet();
}
SOCKADDR_IN addrSrv;
if(0 == RecverIP)
{
addrSrv.sin_addr = CNetWork::g_Broadcastaddr;
}
else
{
addrSrv.sin_addr.S_un.S_addr= RecverIP;
}
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(port);
int len = sendto(CNetWork::g_SendSocket, msg.Getdata(0), msg.GetLength(), 0,
(SOCKADDR*)&addrSrv, sizeof(SOCKADDR));
return true;
}