开发环境 Vs 2008 新建一个 win32 console project
// 服务器端代码
- // Server.cpp : Defines the entry point for the console application.
- //
- #include "stdafx.h"
- #include "winsock2.h"
- #pragma comment(lib, "ws2_32.lib")
- #include <iostream>
- using namespace std;
- int _tmain(int argc, char* argv[])
- {
- const int BUF_SIZE = 64;
- WSADATA wsd; //WSADATA变量
- SOCKET sServer; //服务器套接字
- SOCKET sClient; //客户端套接字
- SOCKADDR_IN addrServ;; //服务器地址
- char buf[BUF_SIZE]; //接收数据缓冲区
- char sendBuf[BUF_SIZE];//返回给客户端得数据
- int retVal; //返回值
- //初始化套结字动态库
- if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
- {
- cout << "WSAStartup failed!" << endl;
- return 1;
- }
- //创建套接字
- sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(INVALID_SOCKET == sServer)
- {
- cout << "socket failed!" << endl;
- WSACleanup();//释放套接字资源;
- return -1;
- }
- //服务器套接字地址
- addrServ.sin_family = AF_INET;
- addrServ.sin_port = htons(4999);
- addrServ.sin_addr.s_addr = INADDR_ANY;
- //绑定套接字
- retVal = bind(sServer, (LPSOCKADDR)&addrServ, sizeof(SOCKADDR_IN));
- if(SOCKET_ERROR == retVal)
- {
- cout << "bind failed!" << endl;
- closesocket(sServer); //关闭套接字
- WSACleanup(); //释放套接字资源;
- return -1;
- }
- //开始监听
- retVal = listen(sServer, 1);
- if(SOCKET_ERROR == retVal)
- {
- cout << "listen failed!" << endl;
- closesocket(sServer); //关闭套接字
- WSACleanup(); //释放套接字资源;
- return -1;
- }
- //接受客户端请求
- sockaddr_in addrClient;
- int addrClientlen = sizeof(addrClient);
- sClient = accept(sServer,(sockaddr FAR*)&addrClient, &addrClientlen);
- if(INVALID_SOCKET == sClient)
- {
- cout << "accept failed!" << endl;
- closesocket(sServer); //关闭套接字
- WSACleanup(); //释放套接字资源;
- return -1;
- }
- while(true){
- //接收客户端数据
- ZeroMemory(buf, BUF_SIZE);
- retVal = recv(sClient, buf, BUF_SIZE, 0);
- if (SOCKET_ERROR == retVal)
- {
- cout << "recv failed!" << endl;
- closesocket(sServer); //关闭套接字
- closesocket(sClient); //关闭套接字
- WSACleanup(); //释放套接字资源;
- return -1;
- }
- if(buf[0] == '0')
- break;
- cout << "客户端发送的数据: " << buf <<endl;
- cout << "向客户端发送数据: " ;
- cin >> sendBuf;
- send(sClient, sendBuf, strlen(sendBuf), 0);
- }
- //退出
- closesocket(sServer); //关闭套接字
- closesocket(sClient); //关闭套接字
- WSACleanup(); //释放套接字资源;
- return 0;
- }
// Server.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include "winsock2.h" #pragma comment(lib, "ws2_32.lib") #include <iostream> using namespace std; int _tmain(int argc, char* argv[]) { const int BUF_SIZE = 64; WSADATA wsd; //WSADATA变量 SOCKET sServer; //服务器套接字 SOCKET sClient; //客户端套接字 SOCKADDR_IN addrServ;; //服务器地址 char buf[BUF_SIZE]; //接收数据缓冲区 char sendBuf[BUF_SIZE];//返回给客户端得数据 int retVal; //返回值 //初始化套结字动态库 if (WSAStartup(MAKEWORD(2,2), &wsd) != 0) { cout << "WSAStartup failed!" << endl; return 1; } //创建套接字 sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if(INVALID_SOCKET == sServer) { cout << "socket failed!" << endl; WSACleanup();//释放套接字资源; return -1; } //服务器套接字地址 addrServ.sin_family = AF_INET; addrServ.sin_port = htons(4999); addrServ.sin_addr.s_addr = INADDR_ANY; //绑定套接字 retVal = bind(sServer, (LPSOCKADDR)&addrServ, sizeof(SOCKADDR_IN)); if(SOCKET_ERROR == retVal) { cout << "bind failed!" << endl; closesocket(sServer); //关闭套接字 WSACleanup(); //释放套接字资源; return -1; } //开始监听 retVal = listen(sServer, 1); if(SOCKET_ERROR == retVal) { cout << "listen failed!" << endl; closesocket(sServer); //关闭套接字 WSACleanup(); //释放套接字资源; return -1; } //接受客户端请求 sockaddr_in addrClient; int addrClientlen = sizeof(addrClient); sClient = accept(sServer,(sockaddr FAR*)&addrClient, &addrClientlen); if(INVALID_SOCKET == sClient) { cout << "accept failed!" << endl; closesocket(sServer); //关闭套接字 WSACleanup(); //释放套接字资源; return -1; } while(true){ //接收客户端数据 ZeroMemory(buf, BUF_SIZE); retVal = recv(sClient, buf, BUF_SIZE, 0); if (SOCKET_ERROR == retVal) { cout << "recv failed!" << endl; closesocket(sServer); //关闭套接字 closesocket(sClient); //关闭套接字 WSACleanup(); //释放套接字资源; return -1; } if(buf[0] == '0') break; cout << "客户端发送的数据: " << buf <<endl; cout << "向客户端发送数据: " ; cin >> sendBuf; send(sClient, sendBuf, strlen(sendBuf), 0); } //退出 closesocket(sServer); //关闭套接字 closesocket(sClient); //关闭套接字 WSACleanup(); //释放套接字资源; return 0; }
// 客户端代码
- // Client.cpp : Defines the entry point for the console application.
- //
- #include "stdafx.h"
- #include "winsock2.h"
- #include <iostream>
- #pragma comment(lib, "ws2_32.lib")
- using namespace std;
- BOOL RecvLine(SOCKET s, char* buf); //读取一行数据
- int main(int argc, char* argv[])
- {
- const int BUF_SIZE = 64;
- WSADATA wsd; //WSADATA变量
- SOCKET sHost; //服务器套接字
- SOCKADDR_IN servAddr; //服务器地址
- char buf[BUF_SIZE]; //接收数据缓冲区
- char bufRecv[BUF_SIZE];
- int retVal; //返回值
- //初始化套结字动态库
- if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
- {
- cout << "WSAStartup failed!" << endl;
- return -1;
- }
- //创建套接字
- sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if(INVALID_SOCKET == sHost)
- {
- cout << "socket failed!" << endl;
- WSACleanup();//释放套接字资源
- return -1;
- }
- //设置服务器地址
- 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);
- //连接服务器
- retVal=connect(sHost,(LPSOCKADDR)&servAddr, sizeof(servAddr));
- if(SOCKET_ERROR == retVal)
- {
- cout << "connect failed!" << endl;
- closesocket(sHost); //关闭套接字
- WSACleanup(); //释放套接字资源
- return -1;
- }
- while(true){
- //向服务器发送数据
- ZeroMemory(buf, BUF_SIZE);
- cout << " 向服务器发送数据: ";
- cin >> buf;
- retVal = send(sHost, buf, strlen(buf), 0);
- if (SOCKET_ERROR == retVal)
- {
- cout << "send failed!" << endl;
- closesocket(sHost); //关闭套接字
- WSACleanup(); //释放套接字资源
- return -1;
- }
- //RecvLine(sHost, bufRecv);
- recv(sHost, bufRecv,5 , 0); // 接收服务器端的数据, 只接收5个字符
- cout << endl <<"从服务器接收数据:" << bufRecv;
- }
- //退出
- closesocket(sHost); //关闭套接字
- WSACleanup(); //释放套接字资源
- return 0;
- }