server.cpp
#include
#include
#pragma comment(lib,"WS2_32.lib")
void main()
{
WSADATA wsd;
SOCKET server; //服务器socket
SOCKADDR_IN addrSrv;
char sendBuf[100];
char recvBuf[100];
SOCKADDR_IN addrClient;
SOCKET client; //连接的客户端socket
int len;
if(WSAStartup(MAKEWORD(2,2),&wsd)!=0)
{
printf("start up failed!\n");
return ;
}
server=socket(AF_INET,SOCK_STREAM,0); //创建socket
addrSrv.sin_addr.S_un.S_addr=htonl(INADDR_ANY); //设置地址
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(6000); //设置端口号
bind(server,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR)); //绑定
listen(server,5); //设置最多连接数
len=sizeof(SOCKADDR);
while(1)
{
client=accept(server,(SOCKADDR*)&addrClient,&len); //接收客户端连接
sprintf(sendBuf,"Welcome %s ",
inet_ntoa(addrClient.sin_addr));
send(client,sendBuf,strlen(sendBuf)+1,0); //发送信息客户端
recv(client,recvBuf,100,0); //接收客户端数据
printf("%s\n",recvBuf);
closesocket(client);
}
closesocket(client); //关闭连接
WSACleanup();
}
client.cpp
#include
#include
#pragma comment(lib,"WS2_32.lib")
void main()
{
int call = 0;
int result = 0;
while(1)
{
printf("\n\n请输入命令：\n");
printf("\t1:发起连接\n");
printf("\t2:发送数据\n");
printf("\t3:关闭连接\n");
printf("\t4:重新连接\n");
printf("\t0:关闭程序\n");
scanf("%d",&call);
try{
switch(call)
{
case 1:
printf("发起连接\n");
WSADATA wsd;
SOCKET sockClient; //客户端socket
SOCKADDR_IN addrSrv;
char recvBuf[100];
char sendbuf[100];
if(WSAStartup(MAKEWORD(2,2),&wsd)!=0)
{
printf("start up failed!\n");
return ;
}
sockClient=socket(AF_INET,SOCK_STREAM,0); //创建socket
addrSrv.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
addrSrv.sin_family=AF_INET;
addrSrv.sin_port=htons(6000);
connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR)); //连接服务器端
recv(sockClient,recvBuf,100,0); //接收服务器端数据
printf("%s\n",recvBuf);
break;
case 2:
printf("请输入要发送的文字\n");
scanf("%s",&sendbuf);
printf("%s\n",sendbuf);
result = send(sockClient,sendbuf,50,0); //向服务器端发送数据
printf("操作结果：%d\n",result);
break;
case 3:
result = closesocket(sockClient);
printf("操作结果：%d\n",result);//关闭连接
WSACleanup();
printf("连接已经关闭\n");
break;
case 4:
printf("重新连接\n");//此处功能暂未实现
break;
case 0:
return;
default:
break;
}
}catch(Exception e)
{
}
}
}