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83 lines
2.2 KiB
83 lines
2.2 KiB
/* |
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* Copyright (C) 2015 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_VOLD_PUBLIC_VOLUME_H |
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#define ANDROID_VOLD_PUBLIC_VOLUME_H |
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#include "VolumeBase.h" |
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#include <cutils/multiuser.h> |
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namespace android { |
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namespace vold { |
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/* |
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* Shared storage provided by public (vfat) partition. |
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* |
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* Knows how to mount itself and then spawn a FUSE daemon to synthesize |
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* permissions. AsecVolume and ObbVolume can be stacked above it. |
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* |
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* This volume is not inherently multi-user aware, so it has two possible |
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* modes of operation: |
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* 1. If primary storage for the device, it only binds itself to the |
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* owner user. |
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* 2. If secondary storage, it binds itself for all users, but masks |
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* away the Android directory for secondary users. |
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*/ |
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class PublicVolume : public VolumeBase { |
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public: |
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explicit PublicVolume(dev_t device); |
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virtual ~PublicVolume(); |
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protected: |
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status_t doCreate() override; |
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status_t doDestroy() override; |
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status_t doMount() override; |
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status_t doUnmount() override; |
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status_t doFormat(const std::string& fsType) override; |
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status_t readMetadata(); |
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status_t initAsecStage(); |
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private: |
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/* Kernel device representing partition */ |
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dev_t mDevice; |
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/* Block device path */ |
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std::string mDevPath; |
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/* Mount point of raw partition */ |
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std::string mRawPath; |
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std::string mFuseDefault; |
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std::string mFuseRead; |
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std::string mFuseWrite; |
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/* PID of FUSE wrapper */ |
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pid_t mFusePid; |
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/* Filesystem type */ |
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std::string mFsType; |
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/* Filesystem UUID */ |
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std::string mFsUuid; |
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/* User-visible filesystem label */ |
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std::string mFsLabel; |
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DISALLOW_COPY_AND_ASSIGN(PublicVolume); |
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}; |
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} // namespace vold |
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} // namespace android |
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#endif
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