mirror of
https://github.com/monero-project/monero.git
synced 2024-12-15 16:24:26 -05:00
125 lines
4.3 KiB
C++
125 lines
4.3 KiB
C++
// Copyright (c) 2014-2020, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
|
|
|
|
#pragma once
|
|
|
|
#include <boost/archive/binary_iarchive.hpp>
|
|
#include <boost/archive/portable_binary_oarchive.hpp>
|
|
#include <boost/archive/portable_binary_iarchive.hpp>
|
|
#include <boost/filesystem/operations.hpp>
|
|
|
|
|
|
namespace tools
|
|
{
|
|
template<class t_object>
|
|
bool serialize_obj_to_file(t_object& obj, const std::string& file_path)
|
|
{
|
|
TRY_ENTRY();
|
|
#if defined(_MSC_VER)
|
|
// 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;
|
|
}
|
|
|
|
const std::unique_ptr<FILE, tools::close_file> data_file_file{_fdopen(data_file_descriptor, "wb")};
|
|
if (nullptr == 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.get());
|
|
if (data_file.fail())
|
|
{
|
|
// Call CloseHandle and _close are not necessary
|
|
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::portable_binary_oarchive a(data_file);
|
|
a << obj;
|
|
if (data_file.fail())
|
|
return false;
|
|
|
|
data_file.flush();
|
|
#if defined(_MSC_VER)
|
|
// To make sure the file is fully stored on disk
|
|
::FlushFileBuffers(data_file_handle);
|
|
#endif
|
|
|
|
return true;
|
|
CATCH_ENTRY_L0("serialize_obj_to_file", false);
|
|
}
|
|
|
|
template<class t_object>
|
|
bool unserialize_obj_from_file(t_object& obj, const std::string& file_path)
|
|
{
|
|
TRY_ENTRY();
|
|
|
|
std::ifstream data_file;
|
|
data_file.open( file_path, std::ios_base::binary | std::ios_base::in);
|
|
if(data_file.fail())
|
|
return false;
|
|
try
|
|
{
|
|
// first try reading in portable mode
|
|
boost::archive::portable_binary_iarchive a(data_file);
|
|
a >> obj;
|
|
}
|
|
catch(...)
|
|
{
|
|
// if failed, try reading in unportable mode
|
|
boost::filesystem::copy_file(file_path, file_path + ".unportable", boost::filesystem::copy_option::overwrite_if_exists);
|
|
data_file.close();
|
|
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_ENTRY_L0("unserialize_obj_from_file", false);
|
|
}
|
|
}
|