danicoin/tests/CoreTests/BoostSerializationHelper.h
2015-07-30 16:22:07 +01:00

107 lines
3 KiB
C++
Executable file

// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
#pragma once
#ifdef _WIN32
#include <io.h>
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#endif
#include <fstream>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
namespace Tools
{
template<class t_object>
bool serialize_obj_to_file(t_object& obj, const std::string& file_path)
{
try {
#ifdef _WIN32
// Need to know HANDLE of file to call FlushFileBuffers
HANDLE data_file_handle = ::CreateFile(file_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (INVALID_HANDLE_VALUE == data_file_handle)
return false;
int data_file_descriptor = _open_osfhandle((intptr_t)data_file_handle, 0);
if (-1 == data_file_descriptor) {
::CloseHandle(data_file_handle);
return false;
}
FILE* data_file_file = _fdopen(data_file_descriptor, "wb");
if (0 == data_file_file) {
// Call CloseHandle is not necessary
_close(data_file_descriptor);
return false;
}
// HACK: undocumented constructor, this code may not compile
std::ofstream data_file(data_file_file);
if (data_file.fail()) {
// Call CloseHandle and _close are not necessary
fclose(data_file_file);
return false;
}
#else
std::ofstream data_file;
data_file.open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
if (data_file.fail())
return false;
#endif
boost::archive::binary_oarchive a(data_file);
a << obj;
if (data_file.fail())
return false;
data_file.flush();
#ifdef _WIN32
// To make sure the file is fully stored on disk
::FlushFileBuffers(data_file_handle);
fclose(data_file_file);
#endif
return true;
} catch (std::exception&) {
return false;
}
}
template<class t_object>
bool unserialize_obj_from_file(t_object& obj, const std::string& file_path)
{
try {
std::ifstream data_file;
data_file.open( file_path, std::ios_base::binary | std::ios_base::in);
if(data_file.fail())
return false;
boost::archive::binary_iarchive a(data_file);
a >> obj;
return !data_file.fail();
} catch (std::exception&) {
return false;
}
}
}