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111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
// Copyright (c) 2014-2015, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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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_ENTRY();
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#if defined(_MSC_VER)
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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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{
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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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{
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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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{
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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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#if defined(_MSC_VER)
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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_ENTRY_L0("serialize_obj_to_file", false);
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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_ENTRY();
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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_ENTRY_L0("unserialize_obj_from_file", false);
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}
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}
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