107 lines
3 KiB
C
107 lines
3 KiB
C
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// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#ifdef _WIN32
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#include <io.h>
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <windows.h>
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#endif
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#include <fstream>
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#include <boost/archive/binary_oarchive.hpp>
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#include <boost/archive/binary_iarchive.hpp>
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namespace tools
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{
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template<class t_object>
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bool serialize_obj_to_file(t_object& obj, const std::string& file_path)
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{
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try {
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#ifdef _WIN32
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// Need to know HANDLE of file to call FlushFileBuffers
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HANDLE data_file_handle = ::CreateFile(file_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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if (INVALID_HANDLE_VALUE == data_file_handle)
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return false;
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int data_file_descriptor = _open_osfhandle((intptr_t)data_file_handle, 0);
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if (-1 == data_file_descriptor) {
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::CloseHandle(data_file_handle);
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return false;
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}
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FILE* data_file_file = _fdopen(data_file_descriptor, "wb");
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if (0 == data_file_file) {
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// Call CloseHandle is not necessary
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_close(data_file_descriptor);
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return false;
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}
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// HACK: undocumented constructor, this code may not compile
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std::ofstream data_file(data_file_file);
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if (data_file.fail()) {
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// Call CloseHandle and _close are not necessary
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fclose(data_file_file);
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return false;
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}
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#else
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std::ofstream data_file;
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data_file.open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
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if (data_file.fail())
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return false;
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#endif
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boost::archive::binary_oarchive a(data_file);
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a << obj;
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if (data_file.fail())
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return false;
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data_file.flush();
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#ifdef _WIN32
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// To make sure the file is fully stored on disk
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::FlushFileBuffers(data_file_handle);
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fclose(data_file_file);
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#endif
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return true;
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} catch (std::exception&) {
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return false;
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}
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}
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template<class t_object>
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bool unserialize_obj_from_file(t_object& obj, const std::string& file_path)
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{
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try {
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std::ifstream data_file;
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data_file.open( file_path, std::ios_base::binary | std::ios_base::in);
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if(data_file.fail())
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return false;
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boost::archive::binary_iarchive a(data_file);
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a >> obj;
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return !data_file.fail();
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} catch (std::exception&) {
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return false;
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}
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}
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}
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