2018-09-27 03:30:16 -04:00

62 lines
2.4 KiB
C++

/*
* Copyright (C) 2017 The Android Open Source 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* 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 OWNER 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.
*/
#pragma once
#include <property_info_parser/property_info_parser.h>
#include "context_node.h"
#include "contexts.h"
class ContextsSerialized : public Contexts {
public:
virtual ~ContextsSerialized() override {
}
virtual bool Initialize(bool writable, const char* filename, bool* fsetxattr_failed) override;
virtual prop_area* GetPropAreaForName(const char* name) override;
virtual prop_area* GetSerialPropArea() override {
return serial_prop_area_;
}
virtual void ForEach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) override;
virtual void ResetAccess() override;
virtual void FreeAndUnmap() override;
private:
bool InitializeContextNodes();
bool InitializeProperties();
bool MapSerialPropertyArea(bool access_rw, bool* fsetxattr_failed);
const char* filename_;
android::properties::PropertyInfoAreaFile property_info_area_file_;
ContextNode* context_nodes_ = nullptr;
size_t num_context_nodes_ = 0;
size_t context_nodes_mmap_size_ = 0;
prop_area* serial_prop_area_ = nullptr;
};