C++ Scoket实现Client获取本机计算机名和ip地址发送到Server

#include <iostream> #include <WinSock2.h> #include <stdlib.h> using namespace std; #pragma warning(suppress : 4996) int main() { //加载套接字 WORD wVersionRequested; WSADATA wsaData; int err; wVersionRequested = MAKEWORD(1, 1); err = WSAStartup(wVersionRequested, &wsaData); if (err != 0) { return 0; } if (LOBYTE(wsaData.wVersion) != 1 || HIBYTE(wsaData.wVersion) != 1) { WSACleanup(); return 0; } //创建用于监听的套接字 SOCKET sockSrv = socket(AF_INET, SOCK_STREAM, 0); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY); addrSrv.sin_family = AF_INET; addrSrv.sin_port = htons(6000); //绑定套接字 bind(sockSrv, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR)); //将套接字设置为监听模式 listen(sockSrv, 5); SOCKADDR_IN addrClient; int len = sizeof(SOCKADDR); while (1) { //等待客户的请求到来 SOCKET sockConn = accept(sockSrv, (SOCKADDR*)&addrClient, &len); char sendBuf[100]; sprintf_s(sendBuf, 100, "Welcome %s to Socket Server !", inet_ntoa(addrClient.sin_addr)); //发送数据 send(sockConn, sendBuf, strlen(sendBuf) + 1, 0); char hostname[100]; //接受数据 recv(sockConn, hostname, 100, 0); //打印接受的数据 printf("计算机名：%s\n", hostname); char Ip[100]; recv(sockConn, Ip, 100, 0); //打印接受的数据 printf("Ip 地 址：%s\n", Ip); //关闭套接字 closesocket(sockConn); } }