/* Socket streznik v UNIX domeni */

#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/errno.h>

int main( argc, argv )
int argc; char **argv;
{
  int     SocketNumber, NewSocketNumber;
  int     Len, Nodjemalcev = 0; 
  struct  sockaddr_un  ServerAddress, ClientAddress;
  char    Message[512];
  int     Nread;

  if( (SocketNumber =   socket( AF_UNIX, SOCK_STREAM, 0 )) == -1){
    printf("%s: napaka socket\n", argv[0]);
    exit(1);
  }
  ServerAddress.sun_family = AF_UNIX;
  strcpy( ServerAddress.sun_path, "sockname");
  unlink(ServerAddress.sun_path); /* za vsak slucaj */

  if(bind( SocketNumber, &ServerAddress, sizeof(ServerAddress)) == -1){
    printf("%s: napaka bind\n", argv[0]);
    unlink(ServerAddress.sun_path);
    exit(1);
  }
  if( listen( SocketNumber, 5 ) == -1){
    printf("%s: napaka listen\n", argv[0]);
    exit(1);
  }
  while( Nodjemalcev++ < 3){ /* po treh vzpostavitvah zveze koncam */
    Len = 128;
    if( (NewSocketNumber=accept( SocketNumber, &ClientAddress, &Len)) >= 0){
      if( fork( ) == 0 ){
	while( (Nread = read(NewSocketNumber, Message, 100)) > 0){
	  Message[ Nread ] = 0;
	  printf("Sprejel: %s\n", Message );
	}
	close( NewSocketNumber );
	exit( 0 );
      }
    }
    else{
      printf("%s: napaka accept\n", argv[0] );
      exit( 2 );
    }
  }
  unlink(ServerAddress.sun_path);
  exit(0);
}