#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <errno.h>
#include <netdb.h>
#include "client.h"

int update_interval;
char *progname="loadmonitor";

static void usage(FILE *stream, int exitstatus)
{
	fprintf(stream, "LoadMonitor version 1.1 protocol 1\n"
		"Usage: %s [-options ...] [hostname]\n",
		progname);
	if (fflush(stream) || ferror(stream)) exit(1);
	exit(exitstatus);
}

void options_parse(int  argc, char *argv[])
{
	struct hostent *hostent;
	char *slash;

	if (argc>0) progname=argv[0];
	slash=strrchr(progname, '/');
	if (slash) progname=slash+1;

	update_interval=PKT_INTERVAL_SEC;
	
	if (argc>2)
	{
		usage(stderr, 1);
	}
	host=argc>1?argv[1]:"localhost";
	if (!(hostent=gethostbyname(host)))
	{
		fprintf(stderr, "%s: Can't lookup hostname '%s'\n", 
			progname, host);
		exit(1);
	}
	if (hostent->h_length!=4)
	{
		fprintf(stderr, "%s: address length for %s != 4\n", 
			progname, host);
		exit(1);
	}
	memcpy(&addr.sin_addr, hostent->h_addr, 4);
	leafname=strdup(host);
	if (!leafname)
	{
		fprintf(stderr, "%s: strdup: %s\n", 
			progname, strerror(ENOMEM));
		exit(1);
	}
	slash=strchr(leafname, '.');
	if (slash) *slash=0;
}

void options_daemonize(void)
{
}