grive2/src/protocol/Download.hh

47 lines
1.2 KiB
C++

/*
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 <string>
#include <fstream>
#include <openssl/evp.h>
namespace gr {
class Download
{
public :
struct NoChecksum {} ;
Download( const std::string& filename ) ;
Download( const std::string& filename, NoChecksum ) ;
~Download( ) ;
std::string Finish() const ;
static std::size_t Callback( char *data, std::size_t size, std::size_t nmemb, Download *pthis ) ;
private :
std::ofstream m_file ;
EVP_MD_CTX *m_mdctx ;
} ;
} // end of namespace