//Server Program with named pipe
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <sys/time.h>
#include <fcntl.h>


char *fifoname = "channel";

int main(int argc, char **argv)
{
	char buf[512];
	char exitstr[5] = "exit";
	int fd, check, len;
	fd_set fdset, temp;

	if( mkfifo(fifoname,0777) == -1){
		perror("mkfifo()");
		exit(3);
	}

	if( (fd = open(fifoname, O_RDONLY)) < 0 ){
		perror("open()");
		exit(1);
	}
	FD_ZERO(&fdset);
	FD_SET(fd, &fdset);
	
	while(1){
		temp = fdset;
		check = select(fd+1, &temp, NULL, NULL, NULL);
		if( check == -1 ){
			perror("select()");
			exit(2);
		}

		else {
			if( FD_ISSET(fd, &temp) ){
				len = read(fd, buf, sizeof(buf));
				buf[len] = 0;
				if(len > 0) printf("Server: %s\n", buf);
				if(*buf == *exitstr){
					close(fd);
					execlp("rm", "rm", "-f", fifoname,(char*)0);
				}
			
			} //End of if
		} //End of else
	} //End of while
}