#include <errno.h> /* obligatory includes */
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <netdb.h>
#include "tcommon.h"
#define MAXHOSTNAME 1024

//----------------------------------------------------------------------------

int call_socket(char *hostname, unsigned short portnum)
{
	struct sockaddr_in sa;
	struct hostent *hp;
	int s;

	if ((hp = gethostbyname(hostname)) == NULL) /* do we know the host's */
	{
		errno = ECONNREFUSED; /* address? */
		return (-1);		  /* no */
	}

	memset(&sa, 0, sizeof(sa));
	memcpy((char *)&sa.sin_addr, hp->h_addr, hp->h_length); /* set address */
	sa.sin_family = hp->h_addrtype;
	sa.sin_port = htons((u_short)portnum);

	if ((s = socket(hp->h_addrtype, SOCK_STREAM, 0)) < 0) /* get socket */
		return (-1);
	if (connect(s, (struct sockaddr *)&sa, sizeof sa) < 0) /* connect */
	{
		close(s);
		return (-1);
	}

	return (s);
}

//----------------------------------------------------------------------------

int main(int argc, char *argv[])
{
	char myname[MAXHOSTNAME + 1];
	gethostname(myname, MAXHOSTNAME); /* who are we? */

	int s;
	int portNumber = 8000;
	{
		std::ifstream is("/tmp/.tfarmcontroller.dat");
		is >> portNumber;
	}
	//  std::cout << "shutting down " << portNumber << std::endl;
	if ((s = call_socket(myname, portNumber)) < 0) {
		fprintf(stderr, "Unable to stop the tfarmcontroller daemon\n");
		exit(1);
	}

	write(s, "shutdown", strlen("shutdown") + 1);

	close(s);
	exit(0);
}