本文主要是介绍基于udp的socket网络编程，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
套接字
网络套接字
原始套接字
unix套接字
windows下SOCKET 为整数。
协议家族 套接字种类 协议
udpServer.cc
#pragma warning(disable:4996)
#include<iostream>
#include<string>
#include<cstdlib>
#include<WinSock2.h>#pragma comment(lib,"ws2_32.lib")using namespace std;uint16_t serverport = 8080;
string serverip = "192.168.88.130";
int main()
{WSAData wsd; //初始化信息//启动Winsockif (WSAStartup(MAKEWORD(2, 2), &wsd) != 0) {/*进行WinSocket的初始化,windows 初始化socket网络库，申请2，2的版本，windows socket编程必须先初始化。*/cout << "WSAStartup Error = " << WSAGetLastError() << endl;return 0;}else {cout << "WSAStartup Success" << endl;}//创建套接字SOCKET csock = socket(AF_INET, SOCK_DGRAM, 0);if (csock == SOCKET_ERROR){cout << "socket Error = " << WSAGetLastError() << endl;return 1;}else {cout << "socket Success" << endl;}//udp客户端不需要显示的绑定,但可以指定struct sockaddr_in server;server.sin_family = AF_INET;server.sin_port = htons(serverport);//将字符串转为点分十进制的ipserver.sin_addr.s_addr = inet_addr(serverip.c_str());
#define NUM 1024char inbuffer[NUM];//将信息发出string line;while (true){cout << "Please Enter# ";getline(cin, line);int n = sendto(csock, line.c_str(), line.size(), 0, (struct sockaddr*)&server, sizeof(server));if (n < 0){cerr << "sendto error!!!" << endl;break;}struct sockaddr_in peer; int peerlen = sizeof(peer);//收取数据inbuffer[0] = 0;n = recvfrom(csock, inbuffer, sizeof(inbuffer)-1,0, (struct sockaddr*)&peer, &peerlen);}closesocket(csock);WSACleanup();return 0;
}
【干货】Windows平台基于udp的socket网络编程开发_windows udp socket-CSDN博客
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