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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _OTAUTIL_OTAUTIL_CACHE_LOCATION_H_
#define _OTAUTIL_OTAUTIL_CACHE_LOCATION_H_
#include <string>
#include "android-base/macros.h"
// A singleton class to maintain the update related locations. The locations should be only set
// once at the start of the program.
class CacheLocation {
public:
static CacheLocation& location();
// Reset the locations to their default values.
void ResetLocations();
// getter and setter functions.
std::string cache_temp_source() const {
return cache_temp_source_;
}
void set_cache_temp_source(const std::string& temp_source) {
cache_temp_source_ = temp_source;
}
std::string last_command_file() const {
return last_command_file_;
}
void set_last_command_file(const std::string& last_command) {
last_command_file_ = last_command;
}
std::string stash_directory_base() const {
return stash_directory_base_;
}
void set_stash_directory_base(const std::string& base) {
stash_directory_base_ = base;
}
private:
CacheLocation() {}
DISALLOW_COPY_AND_ASSIGN(CacheLocation);
// When there isn't enough room on the target filesystem to hold the patched version of the file,
// we copy the original here and delete it to free up space. If the expected source file doesn't
// exist, or is corrupted, we look to see if the cached file contains the bits we want and use it
// as the source instead. The default location for the cached source is "/cache/saved.file".
std::string cache_temp_source_;
// Location to save the last command that stashes blocks.
std::string last_command_file_;
// The base directory to write stashes during update.
std::string stash_directory_base_;
};
#endif // _OTAUTIL_OTAUTIL_CACHE_LOCATION_H_
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