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79 lines
2.1 KiB
79 lines
2.1 KiB
/*
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* Copyright (C) 2019 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 specic language governing permissions and
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* limitations under the License.
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*/
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#ifndef MEDIAPROVIDER_JNI_FUSEDAEMON_H_
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#define MEDIAPROVIDER_JNI_FUSEDAEMON_H_
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#include <memory>
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#include <string>
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#include <android-base/unique_fd.h>
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#include "MediaProviderWrapper.h"
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#include "jni.h"
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struct fuse;
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namespace mediaprovider {
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namespace fuse {
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class FuseDaemon final {
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public:
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FuseDaemon(JNIEnv* env, jobject mediaProvider);
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~FuseDaemon() = default;
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/**
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* Start the FUSE daemon loop that will handle filesystem calls.
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*/
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void Start(android::base::unique_fd fd, const std::string& path);
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/**
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* Checks if the FUSE daemon is started.
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*/
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bool IsStarted() const;
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/**
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* Check if file should be opened with FUSE
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*/
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bool ShouldOpenWithFuse(int fd, bool for_read, const std::string& path);
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/**
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* Invalidate FUSE VFS dentry cache entry for path
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*/
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void InvalidateFuseDentryCache(const std::string& path);
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/**
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* Return path of the original media format file for the given file descriptor.
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*/
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const std::string GetOriginalMediaFormatFilePath(int fd) const;
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/**
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* Initialize device id for the FUSE daemon with the FUSE device id of the given path.
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*/
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void InitializeDeviceId(const std::string& path);
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private:
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FuseDaemon(const FuseDaemon&) = delete;
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void operator=(const FuseDaemon&) = delete;
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MediaProviderWrapper mp;
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std::atomic_bool active;
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struct ::fuse* fuse;
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};
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} // namespace fuse
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} // namespace mediaprovider
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#endif // MEDIAPROVIDER_JNI_FUSEDAEMON_H_
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