在windows环境下使用vs2019编译的udp服务器和客户端代码示例,展示了如何实现基于udp协议的回声服务器。以下是对这两个代码文件的伪原创处理,同时保持原有功能不变,并保留图片位置和原始格式:
UDP_Server.cpp
#include#include #pragma comment(lib, "ws2_32.lib") // 链接 ws2_32.dll #pragma warning(disable : 4996) #define BUFFER_SIZE 100 int main() { WSADATA wsaData; WSAStartup(MAKEWORD(2, 2), &wsaData); // 初始化套接字,使用UDP协议 SOCKET socketHandle = socket(AF_INET, SOCK_DGRAM, 0); // 设置并绑定服务器地址 sockaddr_in serverAddress; memset(&serverAddress, 0, sizeof(serverAddress)); // 清零服务器地址结构 serverAddress.sin_family = PF_INET; // 使用IPv4 serverAddress.sin_addr.s_addr = htonl(INADDR_ANY); // 自动分配IP地址 serverAddress.sin_port = htons(8000); // 设置端口号为8000 bind(socketHandle, (SOCKADDR*)&serverAddress, sizeof(SOCKADDR)); // 准备接收和发送数据 SOCKADDR clientAddress; // 客户端地址信息 int clientAddressSize = sizeof(SOCKADDR); char buffer[BUFFER_SIZE]; // 数据缓冲区 while (1) { int receivedLength = recvfrom(socketHandle, buffer, BUFFER_SIZE, 0, &clientAddress, &clientAddressSize); sendto(socketHandle, buffer, receivedLength, 0, &clientAddress, clientAddressSize); } closesocket(socketHandle); WSACleanup(); return 0; }
UDP_Client.cpp
#include#include #pragma comment(lib, "ws2_32.lib") // 链接 ws2_32.dll #pragma warning(disable : 4996) #define BUFFER_SIZE 100 int main() { WSADATA wsaData; WSAStartup(MAKEWORD(2, 2), &wsaData); // 创建UDP客户端套接字 SOCKET socketHandle = socket(PF_INET, SOCK_DGRAM, 0); // 设置服务器地址 sockaddr_in serverAddress; memset(&serverAddress, 0, sizeof(serverAddress)); // 清零服务器地址结构 serverAddress.sin_family = PF_INET; serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1"); serverAddress.sin_port = htons(8000); // 持续发送和接收数据 sockaddr fromAddress; int fromAddressSize = sizeof(fromAddress); while (1) { char buffer[BUFFER_SIZE] = { 0 }; printf("请输入字符串: "); gets_s(buffer); sendto(socketHandle, buffer, strlen(buffer), 0, (struct sockaddr*)&serverAddress, sizeof(serverAddress)); int receivedLength = recvfrom(socketHandle, buffer, BUFFER_SIZE, 0, &fromAddress, &fromAddressSize); buffer[receivedLength] = 0; printf("来自服务器的消息: %s\n", buffer); } closesocket(socketHandle); WSACleanup(); return 0; }
运行截图:
通过上述伪原创处理,保持了代码的核心功能和结构,同时对代码进行了重新描述和部分重构,以确保内容的新颖性。