#include<Winsock2.h>
#include<stdio.h>
#include<stdlib.h>
#define DEFAULT_PORT 5050
void main()
{
int iPort=DEFAULT_PORT;
WSADATA wsaData;
SOCKET sListen,
sAccept;
int iLen;
int iSend;
char buf[]="I am a server.";
struct sockaddr_in ser,
cli;
printf("----------------\n");
printf("Server waiting\n");
printf("----------------\n");
if(WSAStartup(MAKEWORD(2,2),&wsaData)!=0)
{
printf("Failed to load Winsock.\n");
return;
}
sListen=socket(AF_INET,SOCK_STREAM,0);
if(sListen==INVALID_SOCKET)
{
printf("socket()Failed:%d\n",WSAGetLastError());
return;
}
ser.sin_family=AF_INET;
ser.sin_port=htons(iPort);
ser.sin_addr.s_addr=htonl(INADDR_ANY);
if(bind(sListen,(LPSOCKADDR)&ser,sizeof(ser))==SOCKET_ERROR)
{
printf("bind()Failed:%d\n",WSAGetLastError());
return;
}
if(listen(sListen,5)==SOCKET_ERROR)
{
printf("listen()Failed:%d\n",WSAGetLastError());
return;
}
iLen=sizeof(cli);
while(1)
{
sAccept=accept(sListen,(struct sockaddr*)&cli,&iLen);
if(sAccept==INVALID_SOCKET)
{
printf("accept()Failed:%d\n",WSAGetLastError());
break;
}
printf("Accepted client IP:[%s],port[%d]\n",
inet_ntoa(cli.sin_addr),
ntohs(cli.sin_port));
iSend=send(sAccept,buf,sizeof(buf),0);
if(iSend==SOCKET_ERROR)
{
printf("send() Failed.:%d\n",WSAGetLastError());
break;
}
else if(iSend==0)
{
printf("send() byte:%d\n",iSend);
printf("---------------------\n");
}
closesocket(sAccept);
}
closesocket(sListen);
WSACleanup();
}
