#include <stdio.h> 		/* printf() */
#include <stdlib.h>		/* atoi() */
#include <string.h>		/* we'll use some string funcs, also memset() */
#include <stdarg.h>  		/* for variable argument lists */
#include <arpa/inet.h>  	/* sockaddr_in, inet_addr() */
#include <sys/socket.h> 	/* socket(), connect(), send(), recv() */
#include <unistd.h>		/* close() */

typedef struct {
	/* The socket our client will transmit data on */
	int sock;
	/* The server address */
	struct sockaddr_in teepeeServerAddr;
	/* The port we're going to connect on */
	unsigned short teepeeServerPort;
	/* A pointer to char for storing the IP */
	char *serverIp;
	/* A pointer to char for storing the url we're gonna GET */
	char *geturl;
} HttpConnection;

#define RECVBUFSIZE 1024			  /* The size alloted to the buffer we're going to use
			  			   * for the recv() buffer */
#define SENDBUFSIZE 1024

void DieWithError( char *errorMessage ); 	  /* outputs errorMessage and quits */
int HttpGet( HttpConnection *, int bufsize, char *url, ...); 

int main ( void )
{
	char recvBuf[RECVBUFSIZE];	/* buffer used for storing recv() messages */
	unsigned short bytesRcvd = 0;	/* used for indexing recvBuf after recv() */
	int got = 0;
	HttpConnection teepeecon, *teepee = &teepeecon; 
	
	teepee->serverIp = "80.237.130.133";
	teepee->geturl = "/";
	teepee->teepeeServerPort = 80;		
	
	if ((teepee->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
		DieWithError("Error: socket() failed.");
	
	memset(&(teepee->teepeeServerAddr), 0, sizeof(teepee->teepeeServerAddr));
	teepee->teepeeServerAddr.sin_family		= AF_INET;
	teepee->teepeeServerAddr.sin_addr.s_addr	= inet_addr(teepee->serverIp);  
	teepee->teepeeServerAddr.sin_port		= htons(teepee->teepeeServerPort); 
	
	if (connect(teepee->sock, (struct sockaddr *) &(teepee->teepeeServerAddr), sizeof(teepee->teepeeServerAddr)) < 0)
		DieWithError("Error: connect() failed.");
	
	HttpGet( teepee, SENDBUFSIZE, "GET http://%s%s HTTP/1.0\n\n", teepee->serverIp, teepee->geturl);

	while ( 1 )
	{
		if ((bytesRcvd = recv(teepee->sock, recvBuf, RECVBUFSIZE-1, 0)) <= 0)
			DieWithError("recv failed\n");

			recvBuf[bytesRcvd] = '\0';
			printf(recvBuf);
	}
	return 0;
}

/* DieWithError 
 */
void DieWithError( char *errorMsg )
{
	perror(errorMsg);
	exit(1);
}

int HttpGet( HttpConnection * teepeecon, int bufsize, char *url, ...)
{
	va_list args;
	char *buffer = malloc((size_t)bufsize);
	unsigned int bufLen;
	int retn = 0;
	
	va_start(args, url);
	vsnprintf(buffer, bufsize, url, args);
	va_end(args);
	
	bufLen = strlen(buffer);
	if (send(teepeecon->sock, buffer, bufLen, 0) == bufLen) 
		goto out;
	else 
	{
		retn = -1;
		goto out;
	}
	
	out:
		free(buffer);
		return retn;
}