Initial commit

src/common/boost_serialization_helper.h

@@ -0,0 +1,84 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#pragma once
+
+#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_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;
+    }
+
+    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();
+#if defined(_MSC_VER)
+    // To make sure the file is fully stored on disk
+    ::FlushFileBuffers(data_file_handle);
+    fclose(data_file_file);
+#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;
+    boost::archive::binary_iarchive a(data_file);
+
+    a >> obj;
+    return !data_file.fail();
+    CATCH_ENTRY_L0("unserialize_obj_from_file", false);
+  }
+}