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// Server.cpp : Defines the entry point for the console application.
#include "winsock2.h"
#pragma comment(lib, "ws2_32.lib")
#include <iostream>
using namespace std;
int main(int argc, char* argv[])
{
const int BUF_SIZE = 64;
WSADATA wsd; //WSADATAåé
SOCKET sServer; //æå¡å¨å¥æ¥å
SOCKET sClient; //客æ·ç«¯å¥æ¥å
SOCKADDR_IN addrServ;; //æå¡å¨å°å
char buf[BUF_SIZE]; //æ¥æ¶æ°æ®ç¼å²åº
char sendBuf[BUF_SIZE];//è¿åç»å®¢æ·ç«¯å¾æ°æ®
int retVal; //è¿åå¼
//åå§åå¥ç»åå¨æåº
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
cout << "WSAStartup failed!" << endl;
return 1;
}
//å建å¥æ¥å
sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(INVALID_SOCKET == sServer)
{
cout << "socket failed!" << endl;
WSACleanup();//éæ¾å¥æ¥åèµæº;
return -1;
}
//æå¡å¨å¥æ¥åå°å
addrServ.sin_family = AF_INET;
addrServ.sin_port = htons(4999);
addrServ.sin_addr.s_addr = INADDR_ANY;
//ç»å®å¥æ¥å
retVal = bind(sServer, (LPSOCKADDR)&addrServ, sizeof(SOCKADDR_IN));
if(SOCKET_ERROR == retVal)
{
cout << "bind failed!" << endl;
closesocket(sServer); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº;
return -1;
}
//å¼å§çå¬
retVal = listen(sServer, 1);
if(SOCKET_ERROR == retVal)
{
cout << "listen failed!" << endl;
closesocket(sServer); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº;
return -1;
}
//æ¥å客æ·ç«¯è¯·æ±
sockaddr_in addrClient;
int addrClientlen = sizeof(addrClient);
sClient = accept(sServer,(sockaddr FAR*)&addrClient, &addrClientlen);
if(INVALID_SOCKET == sClient)
{
cout << "accept failed!" << endl;
closesocket(sServer); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº;
return -1;
}
while(true)
{
//æ¥æ¶å®¢æ·ç«¯æ°æ®
ZeroMemory(buf, BUF_SIZE);
retVal = recv(sClient, buf, BUF_SIZE, 0);
if (SOCKET_ERROR == retVal)
{
cout << "recv failed!" << endl;
closesocket(sServer); //å
³éå¥æ¥å
closesocket(sClient); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº;
return -1;
}
if(buf[0] == '0')
break;
cout << "客æ·ç«¯åéçæ°æ®: " << buf <<endl;
cout << "å客æ·ç«¯åéæ°æ®: " ;
cin >> sendBuf;
send(sClient, sendBuf, strlen(sendBuf), 0);
}
//éåº
closesocket(sServer); //å
³éå¥æ¥å
closesocket(sClient); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº;
return 0;
}
客æ·ç«¯ç¨åºï¼
#include "winsock2.h"
#include <iostream>
#pragma comment(lib, "ws2_32.lib")
using namespace std;
BOOL RecvLine(SOCKET s, char* buf); //读åä¸è¡æ°æ®
int main(int argc, char* argv[])
{
const int BUF_SIZE = 64;
WSADATA wsd; //WSADATAåé
SOCKET sHost; //æå¡å¨å¥æ¥å
SOCKADDR_IN servAddr; //æå¡å¨å°å
char buf[BUF_SIZE]; //æ¥æ¶æ°æ®ç¼å²åº
char bufRecv[BUF_SIZE];
int retVal; //è¿åå¼
//åå§åå¥ç»åå¨æåº
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
cout << "WSAStartup failed!" << endl;
return -1;
}
//å建å¥æ¥å
sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(INVALID_SOCKET == sHost)
{
cout << "socket failed!" << endl;
WSACleanup();//éæ¾å¥æ¥åèµæº
return -1;
}
//设置æå¡å¨å°åå端å£
servAddr.sin_family =AF_INET;
servAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
servAddr.sin_port = htons((short)4999);
int nServAddlen = sizeof(servAddr);
//è¿æ¥æå¡å¨
retVal=connect(sHost,(LPSOCKADDR)&servAddr, sizeof(servAddr));
if(SOCKET_ERROR == retVal)
{
cout << "connect failed!" << endl;
closesocket(sHost); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº
return -1;
}
while(true)
{
//åæå¡å¨åéæ°æ®
ZeroMemory(buf, BUF_SIZE);
cout << " åæå¡å¨åéæ°æ®: ";
cin >> buf;
retVal = send(sHost, buf, strlen(buf), 0);
if (SOCKET_ERROR == retVal)
{
cout << "send failed!" << endl;
closesocket(sHost); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº
return -1;
}
//RecvLine(sHost, bufRecv);
ZeroMemory(bufRecv, BUF_SIZE);
recv(sHost, bufRecv,BUF_SIZE , 0); // æ¥æ¶æå¡å¨ç«¯çæ°æ®ï¼ åªæ¥æ¶5个å符
cout << endl <<"ä»æå¡å¨æ¥æ¶æ°æ®ï¼"<< bufRecv;
cout<<"\n";
}
//éåº
closesocket(sHost); //å
³éå¥æ¥å
WSACleanup(); //éæ¾å¥æ¥åèµæº
return 0;
}