#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

#define chan1 "fifo/0"
#define chan2 "fifo/1"
#define PERM 0666

char nick[20][50];
int disc[50],num=1;

int main(int argc, char **argv) 
{
  int fdr,fdw,n;
  char buff[640];
  char *r;
  char *w,*buf;
  int b;
    
  if ((fdw=open(chan1,1))<0) {
   printf("parent: can't open write fifo: %s",chan1);
  }
  if ((fdr=open(chan2,0))<0) {
    printf("parant: can't open read fifo: %s", chan2);
  }
    
  write(fdw,"=== Connected to FIFOServer established ===",44);
  printf("%s\n","FIFOServer ---> [STARTED]");
 
  while (1) {
   buff[0]=0;
   read(fdr,buff,640);
   printf("%s\n",buff);

//Создание канала с клиентом
   if (buff!=0) {
    b=atoi(buff)*2;
    buf[0]='0'+b;
    buf[1]='\0';
    r="fifo/";
    r[0]=r[0]+buf[0];
    printf("%s\n","-=DONE=-");
    
    b=atoi(buff)*2;
    buf[0]='0'+b;
    buf[1]='\0';
    w="fifo/";
    w[0]=w[0]+buf[0];
    
    printf("%s\n","-=DONE=-");
    buf=w; w="fifo/";
    strcat(w,buf);
    printf("%s\n","-=DONE=-");
    if ((mknod(r, S_IFIFO | PERM, 0)<0)&&(errno!=EEXIST))
      printf("Can't create fifo 1: %s", chan1);
    if ((mknod(w, S_IFIFO | PERM, 0)<0)&&(errno!=EEXIST)) {
      unlink (chan1);
      printf("Can't create fifo 2: %s", chan2);
    }
    printf("%s\n","-=Создание каналов завершено=-");
    if ((disc[num*2]=open(chan1,num*2+1))<0)
      printf("parent: can't open read fifo: %s", chan1);
    if ((disc[num*2+1]=open(chan2,num*2+1))<0)
      printf("parent: can't open read fifo: %s",chan2);
    }
    printf("%s\n","-=Открытие каналов завершено=-");
    buff[0]=0;
    read(disc[num*2],buff,640);
  }
  
  printf("%s",buff);
  
  return(0);
}