#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/param.h>
#include <sys/uio.h>
#include <unistd.h>
#include <netinet/in.h>
#include <string.h>

#define BUFFSIZE	256

#define SERVICE_NAME    "http"
#define PROTOCOL        "tcp"

int Connect(char *dom, char *path)
{
	char send_buf[BUFFSIZE];
	int socketnum;
	struct hostent *hos;
	struct sockaddr_in sin;
	struct servent *serv;
	
	hos = gethostbyname(dom);
	if( hos == NULL )
	{
		fprintf(stderr, "IPアドレスへの変換に失敗");
		return 0;
	}
	
	memset(&sin, 0, sizeof(sin));
	
	sin.sin_family = AF_INET;
	
	memcpy(&sin.sin_addr, hos->h_addr, hos->h_length);
	
	serv = getservbyname(SERVICE_NAME, PROTOCOL);
	
	if(serv != NULL)
	{
		sin.sin_port = serv->s_port;
	}

	
	if( ( socketnum = socket(AF_INET, SOCK_STREAM, 0)) < 0)
	{
		fprintf(stderr, "ソケットの生成に失敗しました\n");
		return 1;
	}
	
	if( connect(socketnum, (struct sockaddr *)&sin, sizeof(sin)) == -1)
	{
		fprintf(stderr, "connectに失敗しました\n");
		return 1;
	}
	
	sprintf(send_buf, "GET %s HTTP/1.0\r\n", path);
	write(socketnum, send_buf, strlen(send_buf));
	
	sprintf(send_buf, "HOST: %s:%d\r\n", dom, 80);
	write(socketnum, send_buf, strlen(send_buf));
	
	sprintf(send_buf, "\r\n");
	write(socketnum, send_buf, strlen(send_buf));
	
	while(1)
	{
		char buf[BUFFSIZE];
		int read_size;
		read_size = read(socketnum, buf, BUFFSIZE);
		if(read_size > 0)
		{
			write(1, buf, read_size);
		}
		else
		{
			break;
		}
	}
	
	close(socketnum);
}

int main(int argc , char *argv[])
{
	char send_buf[BUFFSIZE];
	
	Connect(argv[1],argv[2]);
	return;
}