grive2/libgrive/src/http/Download.hh

/*
	grive: an GPL program to sync a local directory with Google Drive
	Copyright (C) 2012  Wan Wai Ho

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation version 2
	of the License.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#pragma once

#include "Receivable.hh"
#include "util/File.hh"

#include <string>

namespace gr {

namespace crypt
{
	class MD5 ;
}

namespace http {

class Download : public http::Receivable
{
public :
	struct NoChecksum {} ;
	Download( const std::string& filename ) ;
	Download( const std::string& filename, NoChecksum ) ;
	~Download() ;
	
	std::string Finish() const ;
	
	void Clear() ;
	std::size_t OnData( void *data, std::size_t count ) ;
	
private :
	File						m_file ;
	std::auto_ptr<crypt::MD5>	m_crypt ;
} ;

} } // end of namespace