功能
实现基于sokcet的Cpp服务端
TIPS：功能包括接收客户端的数据，向客户端发送数据。
源码
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#define _WINSOCK_DEPRECATED_NO_WARNINGS#include <iostream>//#include <windows.h>#include <WinSock2.h>#pragma comment(lib,"ws2_32")using std::cout;using std::endl;using std::cin;int main(){ system("chcp 65001"); //SetConsoleOutputCP(65001); WSADATA wsaData; WSAStartup(MAKEWORD(2, 2), &wsaData);//启动window动态网络库 //1.创建socket //SOCKET == 句柄 == 文件描述符 == 套接字 //socket(协议族类型,协议类型,0); //协议族类型 IPV4（AF_INET） IPV6 //协议类型 TCP（SOCK_STREAM)，UDP(SOCK_DROP) SOCKET serverSocket = socket(AF_INET, SOCK_STREAM, 0);//IPPROTO_TCP if (serverSocket == INVALID_SOCKET) { cout << "创建socket失败" << endl; return 0; } //2.绑定ip和端口号 //127.0.0.1 永远指向本机 //0.0.0.o 绑定所有网卡的ip SOCKADDR_IN serverAddr; serverAddr.sin_family = AF_INET; serverAddr.sin_port = htons(7890);//host to networks short，将主机字节序转化为网络字节序 serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");//点分十进制转换为10进制 if (SOCKET_ERROR == bind(serverSocket, (sockaddr *)&serverAddr, sizeof(SOCKADDR_IN))) { cout << "bind 失败" << endl; return 0; } cout << "bind 成功" << endl; //3.监听，提示本机的操作系统 if (INVALID_SOCKET == listen(serverSocket, 5)) { cout << "listen 失败" << endl; return 0; } cout << "listen 成功" << endl; while(true) { //4.等待客户端连接 SOCKADDR_IN clientAddr; int addrLen = sizeof(SOCKADDR_IN); SOCKET clientSocket = accept(serverSocket, (SOCKADDR *)&clientAddr, &addrLen); if (INVALID_SOCKET == clientSocket) { cout << "客户端连接失败 " << endl; return 0; } cout << "client ok " << inet_ntoa(clientAddr.sin_addr) << endl; cout << "port " << ntohs(clientAddr.sin_port) << endl; //5.收发数据 //接收数据 char recvBuffer[1024]{ 0 }; int nRecv = recv(clientSocket, recvBuffer, 1024, 0); cout << "recvLen:" << nRecv << "内容:" << recvBuffer << endl; //发送数据 int nSend = send(clientSocket, recvBuffer, nRecv, 0); cout << "send Len:" << nSend << endl; //6.关闭客户端 closesocket(clientSocket); } //7.关闭服务端 closesocket(serverSocket); WSACleanup();//卸载window动态网络库 return 0;} |
效果
TIPS：利用sokit模拟工具模拟一个客户端终端。
总结
本篇文章就到这里了，希望能够给你带来帮助，也希望您能够多多关注服务器之家的更多内容!
原文链接：https://blog.csdn.net/qq135595696/article/details/121076451
