server.c

来自「simple client/server in socket and fifo 」· C语言 代码 · 共 37 行

#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<string.h>

 int main()
{
	char buff[200];
	int n,fl,fl2,file;
	mkfifo("fifo1",S_IFIFO|0666); /*creation of wellknown fifo*/
	mkfifo("fifo2",S_IFIFO|0666); /*creation of client specific fifo*/
	printf("server online");
		 fl=open("fifo1",O_RDONLY);
	printf("server waiting for client request");
		
	n=read(fl,buff,128);
	buff[n]='\0';
		close(fl);
	if((file=open(buff,O_RDONLY))<0)
	{
	printf("%s does not exist",buff);
		exit(1);
	}
	printf("server transfering contents");
	sleep(2);
	fl2=open("fifo2",O_WRONLY);
	while((n=read(file,buff,128))>0)
	write(fl2,buff,n);
	close(file);
	close(fl2);
	printf("server completed");
	return 0;
}