c++ - c語(yǔ)言實(shí)現(xiàn)的web服務(wù)器運(yùn)行問(wèn)題
問(wèn)題描述
#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <arpa/inet.h>#include <sys/socket.h>void error_handling(char *message);int main(int argc,char *argv[]){ int serv_sock; int clnt_sock; struct sockaddr_in serv_addr; struct sockaddr_in clnt_addr; socklen_t clnt_addr_size; char message[] = 'HTTP/1.1 200 OKrnContent-Type:text/htmlrnrnentity-body:<html>sdf</html>'; if(argc!=2){printf('usage: %s <port>n',argv[0]);exit(1);}serv_sock = socket(PF_INET,SOCK_STREAM,0); if(serv_sock == -1)error_handling('socket() error'); memset(&serv_addr, 0 ,sizeof(serv_addr)); serv_addr.sin_family = AF_INET; serv_addr.sin_addr.s_addr = htonl(INADDR_ANY); serv_addr.sin_port = htons(atoi(argv[1])); if(bind(serv_sock,(struct sockaddr*) &serv_addr,sizeof(serv_addr))==-1)error_handling('bind() error'); if(listen(serv_sock,5)==-1)error_handling('listen() error'); clnt_addr_size = sizeof(clnt_addr); clnt_sock = accept(serv_sock,(struct sockaddr*)&clnt_addr,&clnt_addr_size); if(clnt_sock==-1)error_handling('accept() error'); write(clnt_sock,message,sizeof(message)); close(clnt_sock); close(serv_sock); return 0;}void error_handling(char *message){ fputs(message,stderr); fputc(’n’,stderr); exit(1);}
在linux運(yùn)行,在瀏覽器里訪問(wèn)，會(huì)提示下載bin文件，在win下通過(guò)cygwin運(yùn)行，無(wú)法訪問(wèn)服務(wù)器。請(qǐng)問(wèn)怎么弄才能讓瀏覽器收到代碼里發(fā)送的html
問(wèn)題解答
回答1：不一定是程序的問(wèn)題。你在用瀏覽器之前有沒(méi)有試過(guò)在cygwin下telnet或者wget/curl 到端口看看是否可用？即使是linux，訪問(wèn)2048以下端口都是要管理員用戶授權(quán)的。
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