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79 lines
1.9 KiB
79 lines
1.9 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_INSTALLD_CACHE_TRACKER_H
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#define ANDROID_INSTALLD_CACHE_TRACKER_H
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#include <memory>
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#include <string>
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#include <queue>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <android-base/macros.h>
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#include <cutils/multiuser.h>
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#include "CacheItem.h"
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namespace android {
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namespace installd {
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/**
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* Cache tracker for a single UID. Each tracker is used in two modes: first
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* for loading lightweight "stats", and then by loading detailed "items"
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* which can then be purged to free up space.
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*/
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class CacheTracker {
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public:
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CacheTracker(userid_t userId, appid_t appId, const std::string& uuid);
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~CacheTracker();
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std::string toString();
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void addDataPath(const std::string& dataPath);
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void loadStats();
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void loadItems();
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void ensureItems();
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int getCacheRatio();
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int64_t cacheUsed;
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int64_t cacheQuota;
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std::vector<std::shared_ptr<CacheItem>> items;
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private:
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userid_t mUserId;
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appid_t mAppId;
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bool mItemsLoaded;
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const std::string& mUuid;
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std::vector<std::string> mDataPaths;
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bool loadQuotaStats();
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void loadItemsFrom(const std::string& path);
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DISALLOW_COPY_AND_ASSIGN(CacheTracker);
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};
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} // namespace installd
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} // namespace android
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#endif // ANDROID_INSTALLD_CACHE_TRACKER_H
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