#include <fcntl.h>
#include <unistd.h>
#include <string.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>


main(argc, argv)
int	argc;
char 	**argv;
{
int	sock;
int	rval;
struct	sockaddr_in server;
struct	hostent *hp, *gethostbyname();
char	buf[1024];
char	s[1024];
int	x,y,z;
char	c;

char 	*fname;
int 	fd, status;
int	temp;
char	cookiestr[20];
char	name[40];
char	host[20];
int	number;
int	mode; // 0 - default/normal, 1 - print name

mode = 0;
strcpy(name,"");
if(argc >= 2)
	{
	mode = atoi(argv[1]);
	}
if(argc >= 3)
	{
	strcpy(name,argv[2]);
	}
else
	{
	strcpy(name,"#");
	}
if(mode != 10)
	{
	if(getenv("HTTP_COOKIE") == NULL)
		{
		printf("Enter a cookie string: offset%3D: ");
		gets(cookiestr);
		}
	else
		strcpy(cookiestr,getenv("HTTP_COOKIE"));
	}
if(cookiestr[0] == 0)
	number = -1;
else
	number = atoi(&cookiestr[9]);
if(getenv("REMOTE_ADDR") == NULL)
	{
	printf("Enter ip address: ");
	gets(host);
	}
else
	strcpy(host,getenv("REMOTE_ADDR"));
temp = 0; 	/* 0 if currently NOT pressed, 1 is currently pressed */

if(mode == 1 && number == -1)
	{
	printf("Guest");
	exit(0);
	}


	sock = socket(AF_INET, SOCK_STREAM, 0);
	if(sock < 0)
		{
		perror("opening stream socket");
		exit(1);
		}
	server.sin_family = AF_INET;
	hp = gethostbyname("doorbell");
	if(hp == (struct hostent *)0)
		{
		fprintf(stderr,"%s: unknown host","doorbell");
		exit(2);
		}
	bcopy(hp->h_addr, &server.sin_addr, hp->h_length);
	server.sin_port = htons(5202);
	
	if((connect(sock, &server, sizeof(server)), 0) < 0)
		{
		perror("connecting stream socket");
		exit(1);
		}
	strcpy(s,"");
	sprintf(s,"%d %s %s",number,name,host);
	
	if((write(sock, s, strlen(s)), 0) < 0)
		perror("writing on stream socket");
	
	if(( rval = read(sock, buf, 1024)) < 0)
		perror("Reading from stream socket");
		
	close(sock);
//	printf("Message: .%s.\n",buf);	
	sscanf(buf,"%d %s %s",&number,name,host);
	if(mode == 0)
		{
		printf("SetCookie(\"%d\")",number);
		}
	if(mode == 1)
		{
		printf("%s",name);
		}
}