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#include <stdio.h>#include <stdlib.h>#include <process.h>#include <WinSock2.h>#pragma comment(lib, "ws2_32.lib")#define BUF_SIZE 2048#define BUF_SMALL 100void Send_404(SOCKET sock){ char Protocol[] = "HTTP/1.0 404 Bad Request\r\n"; send(sock, Protocol, strlen(Protocol),0); closesocket(sock);}void SendData(SOCKET sock, char *filename){ char Protocol[] = "HTTP/1.1 200 OK\r\n"; char ServerType[] = "Server:MyWebServer\r\n"; char ContentLen[] = "Content-length:2048\r\n"; char ContentType[] = "Content-type:text/html\r\n"; char buffer[BUF_SIZE] = {0}; FILE *fp; if ((fp = fopen(filename, "r")) != NULL) { // 传输头数据 send(sock, Protocol, strlen(Protocol), 0); send(sock, ServerType, strlen(ServerType), 0); send(sock, ContentLen, strlen(ContentLen), 0); send(sock, ContentType, strlen(ContentType), 0); // 传输数据 while (fgets(buffer, BUF_SIZE, fp) != NULL) send(sock, buffer, strlen(buffer), 0); closesocket(sock); }}unsigned WINAPI RequestHandle(void *argv){ SOCKET hClntSock = (SOCKET)argv; char Buffer[BUF_SIZE] = { 0 }; char Method[BUF_SMALL] = { 0 }; char FileName[BUF_SMALL] = { 0 }; recv(hClntSock, Buffer, BUF_SIZE, 0); // 寻找HTTP请求头 如果不为空则继续 if (strstr(Buffer, "HTTP/1") != NULL) { // 接着判断是否为GET请求方式 strcpy(Method, strtok(Buffer, "/")); if (strcmp(Method, "GET") != 0) { strcpy(FileName, strtok(0, "/")); printf("请求方式: %s 请求文件: %s \n", Method,FileName); SendData(hClntSock, FileName); closesocket(hClntSock); return 0; } } Send_404(hClntSock); closesocket(hClntSock); return -1;}int main(int argc,char * argv[]){ WSADATA wsaData; SOCKET ServerSock, ClientSock; SOCKADDR_IN ServerAddr, ClientAddr; WSAStartup(MAKEWORD(2, 2), &wsaData); ServerSock = socket(PF_INET, SOCK_STREAM, 0); memset(&ServerAddr, 0, sizeof(ServerAddr)); ServerAddr.sin_family = AF_INET; ServerAddr.sin_addr.s_addr = htonl(INADDR_ANY); ServerAddr.sin_port = htons(80); bind(ServerSock, (SOCKADDR *)&ServerAddr, sizeof(ServerAddr)); listen(ServerSock, 10); while (1) { HANDLE hThread; DWORD dwThreadID; int ClientAddrSize; ClientAddrSize = sizeof(ClientAddr); ClientSock = accept(ServerSock, (SOCKADDR *)&ClientAddr, &ClientAddrSize); printf("请求客户端 IP: %s --> 端口: %d \n", inet_ntoa(ClientAddr.sin_addr), ntohs(ClientAddr.sin_port)); hThread = (HANDLE)_beginthreadex(0, 0, RequestHandle, (void *)ClientSock, 0, (unsigned *)&dwThreadID); } closesocket(ServerSock); WSACleanup(); return 0;} |
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原文链接：https://www.cnblogs.com/LyShark/p/13064740.html
