#include <boost/filesystem.hpp>
#include <boost/asio.hpp>
#include <iostream>
#include <sstream>

#define DEFAULT_CHUNK_SIZE           1024000
#define RAPIDSHARE_SERVER_NAME       "rapidshare.com"
#define RAPIDSHARE_GETNEXTFREESERVER "/cgi-bin/rsapi.cgi?sub=nextuploadserver_v1"

using boost::asio::ip::tcp;

bool upload_file( boost::filesystem::path& file_path )
{   
    // Get Free UploadServer
    boost::asio::io_service io_service;
    tcp::resolver resolver(io_service);
    tcp::resolver::query query(RAPIDSHARE_SERVER_NAME, "http");
    tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
    tcp::resolver::iterator end;

    tcp::socket socket(io_service);
    boost::system::error_code error = boost::asio::error::host_not_found;
    while (error && endpoint_iterator != end)
    {
        socket.close();
        socket.connect(*endpoint_iterator++, error);
    }
    if (error)
    {
        throw boost::system::system_error(error);
    }

    boost::asio::streambuf request;
    std::ostream request_stream(&request);
    request_stream << "GET " << RAPIDSHARE_GETNEXTFREESERVER << " HTTP/1.0\r\n";
    request_stream << "Host: " << RAPIDSHARE_SERVER_NAME << "\r\n";
    request_stream << "Accept: */*\r\n";
    request_stream << "Connection: close\r\n\r\n";
    
    boost::asio::write(socket, request);
    boost::asio::streambuf response;
    boost::asio::read_until(socket, response, "\r\n");
    std::istream response_stream(&response);
    std::string http_version;
    response_stream >> http_version;
    unsigned int status_code;
    response_stream >> status_code;
    std::string status_message;
    std::getline(response_stream, status_message);
    boost::asio::read_until(socket, response, "\r\n\r\n");
    
    std::string header;
    while (std::getline(response_stream, header) && header != "\r")
        std::cout << header << "\n";
    std::cout << "\n";
    
    std::stringstream server_number;
    boost::asio::read(socket, response, boost::asio::transfer_at_least(1), error );
    socket.close();

    server_number << &response;
    std::string full_upload_server = "rs";
    full_upload_server += server_number.str() + "13.rapidshare.com";

    std::cout << "FULLUPLOADSERVER: " << full_upload_server << "\r\n\r\n" ;
    
    int curr_size  = 0;
    bool chunks    = false; 
    int file_size  = boost::filesystem::file_size( file_path );
    
    // for a while lets upload only files with size less than 1024000 bytes
    if (file_size > DEFAULT_CHUNK_SIZE) 
    {
        return false;
    }

    int chunk_size = file_size;
    
    std::string boundary = "---------------------632865735RS4EVER5675865";
    std::string content_header = boundary + "\r\nContent-Disposition: form-data; name=\"rsapi_v1\"\r\n\r\n1\r\n";
    content_header += boundary + "\r\nContent-Disposition: form-data; name=\"filecontent\"; filename=\"" + file_path.leaf() + "\"\r\n\r\n";
    std::cout << content_header;
    
    std::string content_tail = "\r\n" + boundary + "--\r\n";
    int content_length       = content_header.length() + chunk_size + content_tail.length();

    // HERE THE ERROR OCCURS BECAUSE THE CODE CANNOT RESOLVE HOST'S IP, I SUPPOSE   
    boost::asio::io_service io_service1;
    tcp::resolver resolver1(io_service1);
    tcp::resolver::query query1(full_upload_server, "http");
    tcp::resolver::iterator endpoint_iterator1 = resolver1.resolve(query1);
    tcp::resolver::iterator end1;

    return true;
}

int main( int argc, char* argv[] )
{   
    boost::filesystem::path file_path = "c:\\windows\\system32\\notepad.exe";
    upload_file( file_path );
    return 0;
}