#include <iostream>
#include "winsock2.h"
#include <windows.h>
using namespace std;
int main(){
//啟動(dòng)WS2_32.dll
WSADATA wsaData;
int nResult = WSAStartup(MAKEWORD(2,2),&wsaData);
if(nResult != NO_ERROR){
cout << "Error at WSAStartup" << endl;
return 1;
}
//創(chuàng )建一個(gè)socket
SOCKET m_socket;
m_socket = socket(AF_INET, //協(xié)議族
SOCK_STREAM, //SOCKET類(lèi)型
IPPROTO_TCP); //此socket使用的協(xié)議
if(m_socket == INVALID_SOCKET){
cout << "Error at socket " << WSAGetLastError() << endl;
WSACleanup();
return 1;
}
//Bind a socket
sockaddr_in service;
service.sin_family = AF_INET;//協(xié)議族
service.sin_addr.s_addr = inet_addr("127.0.0.1");//IP地址
service.sin_port = htons(27002); //端口號
//將socket與指定的地址綁定
if(bind(m_socket,(SOCKADDR*)&service,sizeof(service)) == SOCKET_ERROR){
cout << "Error at bind " << endl;
closesocket(m_socket);
return 1;
}
//監聽(tīng)socket
if(listen(m_socket,20) == SOCKET_ERROR){
cout << "Error on listen" << endl;
return 1;
}
//接受一個(gè)socket連接
SOCKET AcceptSocket;
cout << "Waiting for client to connect" << endl;
while (1) {
AcceptSocket = SOCKET_ERROR;
while (AcceptSocket == SOCKET_ERROR) {
AcceptSocket = accept(m_socket,NULL,NULL);
}
cout << "client connected!" << endl;
m_socket = AcceptSocket;
break;
}
int nSendBytes = 0;
int nRecvBytes = 0;
char pSendBytes[32] = "Server:Send data";
char pRecvBytes[32] = "";
//從socket接收數據.
nRecvBytes = recv(m_socket,pRecvBytes,32,0);
cout << "Num of receive :" << nRecvBytes << endl;
cout << pRecvBytes << endl;
//向socket發(fā)送數據。
nSendBytes = send(m_socket,pSendBytes,32,0);
if (nSendBytes == SOCKET_ERROR) {
int nErr = WSAGetLastError();
WSAEACCES;
cout << nErr << endl;
}else
cout <<"Num of send : " << nSendBytes << endl;
//清除WS2_32.dll
Sleep(5000);
WSACleanup();
return 0;
}
.
