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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/time.h>
#include <string.h>
#include <fcntl.h>
#define MAXDATASIZE 100
#define SERVPORT 3333
#define BACKLOG 10//×î´óÁ¬½ÓÊý
#define STDIN 0 //±ê×¼ÊäÈë
int main(void)
{
FILE *fp;
int sockfd,client_fd;//socket.sock_fd¼àÌý,socket.new_fdÊý¾Ý´«Êä
int sin_size;
struct sockaddr_in my_addr,remote_addr;//±¾»úµØÖ·ÐÅÏ¢£¬¿Í»§µØÖ·ÐÅÏ¢
char buf[256]; //ÓÃÓÚÁÄÌìµÄ»º³åÇø
char buff[256];//ÓÃÓÚÊäÈëÓû§ÃûµÄ»º³åÇø
char send_str[256];
int recvbytes;
fd_set rfd_set,wfd_set,efd_set;//±»select¼àÊӵĶÁ£¬Ð´£¬Òì³£´¦ÀíµÄÎļþÃèÊö·û¼¯ºÏ
struct timeval timeout;
int ret;
if((sockfd=socket(AF_INET,SOCK_STREAM,0))==-1)
{
perror("socket");
exit(1);
}
/*¶ËÌî³äsockaddr½á¹¹*/
bzero(&my_addr,sizeof(struct sockaddr_in));
my_addr.sin_family=AF_INET;//µØÖ·×å
my_addr.sin_port=htons(SERVPORT);
inet_aton("127.0.0.1",&my_addr.sin_addr);
if(bind(sockfd,(struct sockaddr *)&my_addr,sizeof(struct sockaddr))==-1)
{
perror("bind");
exit(1);
}
if(listen(sockfd,BACKLOG)==-1)
{
perror("listen");
exit(1);
}
sin_size=sizeof(struct sockaddr_in);
if((client_fd=accept(sockfd,(struct sockaddr *)&remote_addr,&sin_size))==-1)
{
perror("accept");
exit(1);
}
fcntl(client_fd,F_SETFD,O_NONBLOCK);//·þÎñÆ÷Ϊ·Ç×èÈû
recvbytes=recv(client_fd,buff,MAXDATASIZE,0);
buff[recvbytes]='\0';
fflush(stdout);
/*Ç¿ÖÆÁ¢¼´ÄÚÈÝ*/
if((fp=fopen("name.txt","a+"))==NULL)
{
printf("can not open filie,exit...\n");
return -1;
}
fprintf(fp,"%s\n",buff);
/*½«Óû§ÃûдÈëname.txtÖÐ*/
while(1)
{
FD_ZERO(&rfd_set);//¶ÁÎļþÃèÊö·ûÇå