#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <sys/time.h>

int main(void)
{
    // set family and socket type
    struct addrinfo hints, *result;
    memset(&hints, 0, sizeof hints);
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_STREAM;

    // resolve hostname to IP address: specify host and port number (in char not int)
    if(getaddrinfo("www.unix.com", "80", &hints, &result) != 0)
    {
        freeaddrinfo(result);
        puts("Could not resolve hostname.");
        exit(1);
    }

    // create socket and free addrinfo memory
    int newsocket = socket(result->ai_family, result->ai_socktype, 0);
    if(newsocket == -1)
    {
        puts("Could not create socket.");
        freeaddrinfo(result); // free addrinfo memory
        close(newsocket);
        exit(1);
    }

    // set socket timeouts
	struct timeval timeout;
	memset(&timeout, 0, sizeof(timeout)); // zero timeout struct before use
	timeout.tv_sec = 5;
	timeout.tv_usec = 0;
	setsockopt(newsocket, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)); // send timeout
	setsockopt(newsocket, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)); // receive timeout

    // connect to website
    if(connect(newsocket, result->ai_addr, result->ai_addrlen) == -1)
    {
        puts("Could not connect.");
        freeaddrinfo(result); // free addrinfo memory
        close(newsocket);
        exit(1);
    }

    // send headers to connection
    char headers[256] = "GET /index HTTP/1.1\r\nHost: www.unix.com\r\nUser-Agent: Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0)\r\nReferer: \r\nConnection: Close\r\n\r\n";
    if( (send(newsocket, headers, strlen(headers), 0)) == -1 )
    {
        puts("Could not send data.");
        freeaddrinfo(result); // free addrinfo memory
        close(newsocket);
        exit(1);
    }

    // receive webpage from connection
    char response[51201] = "";
    ssize_t length = recv(newsocket, response, 51200, 0);
    response[strlen(response)] = '\0'; // terminate the string
    if(length == -1)
    {
        puts("Could not receive data.");
        freeaddrinfo(result); // free addrinfo memory
        close(newsocket);
        exit(1);
    }

    // free addrinfo memory
    freeaddrinfo(result);

    // close socket
    close(newsocket);

printf("%s\n%i\n", response, length);

    return 0;
}