VoldNativeService.h

/*
 * Copyright (C) 2017 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 _VOLD_NATIVE_SERVICE_H_
#define _VOLD_NATIVE_SERVICE_H_

#include <android-base/unique_fd.h>
#include <binder/BinderService.h>

#include "android/os/BnVold.h"

namespace android {
namespace vold {

class VoldNativeService : public BinderService<VoldNativeService>, public os::BnVold {
  public:
    static status_t start();
    static char const* getServiceName() { return "vold"; }
    virtual status_t dump(int fd, const Vector<String16>& args) override;

    binder::Status setListener(const android::sp<android::os::IVoldListener>& listener);

    binder::Status monitor();
    binder::Status reset();
    binder::Status shutdown();
    binder::Status abortFuse();

    binder::Status onUserAdded(int32_t userId, int32_t userSerial);
    binder::Status onUserRemoved(int32_t userId);
    binder::Status onUserStarted(int32_t userId);
    binder::Status onUserStopped(int32_t userId);

    binder::Status addAppIds(const std::vector<std::string>& packageNames,
                             const std::vector<int32_t>& appIds);
    binder::Status addSandboxIds(const std::vector<int32_t>& appIds,
                                 const std::vector<std::string>& sandboxIds);

    binder::Status onSecureKeyguardStateChanged(bool isShowing);

    binder::Status partition(const std::string& diskId, int32_t partitionType, int32_t ratio);
    binder::Status forgetPartition(const std::string& partGuid, const std::string& fsUuid);

    binder::Status mount(const std::string& volId, int32_t mountFlags, int32_t mountUserId,
                         const android::sp<android::os::IVoldMountCallback>& callback);
    binder::Status unmount(const std::string& volId);
    binder::Status format(const std::string& volId, const std::string& fsType);
    binder::Status benchmark(const std::string& volId,
                             const android::sp<android::os::IVoldTaskListener>& listener);

    binder::Status moveStorage(const std::string& fromVolId, const std::string& toVolId,
                               const android::sp<android::os::IVoldTaskListener>& listener);

    binder::Status remountUid(int32_t uid, int32_t remountMode);
    binder::Status remountAppStorageDirs(int uid, int pid,
                               const std::vector<std::string>& packageNames);
    binder::Status unmountAppStorageDirs(int uid, int pid,
                               const std::vector<std::string>& packageNames);

    binder::Status ensureAppDirsCreated(const std::vector<std::string>& paths, int32_t appUid);
    binder::Status setupAppDir(const std::string& path, int32_t appUid);
    binder::Status fixupAppDir(const std::string& path, int32_t appUid);

    binder::Status createObb(const std::string& sourcePath, int32_t ownerGid,
                             std::string* _aidl_return);
    binder::Status destroyObb(const std::string& volId);

    binder::Status createStubVolume(const std::string& sourcePath, const std::string& mountPath,
                                    const std::string& fsType, const std::string& fsUuid,
                                    const std::string& fsLabel, int32_t flags,
                                    std::string* _aidl_return);
    binder::Status destroyStubVolume(const std::string& volId);

    binder::Status fstrim(int32_t fstrimFlags,
                          const android::sp<android::os::IVoldTaskListener>& listener);
    binder::Status runIdleMaint(bool needGC,
                                const android::sp<android::os::IVoldTaskListener>& listener);
    binder::Status abortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener);
    binder::Status getStorageLifeTime(int32_t* _aidl_return);
    binder::Status setGCUrgentPace(int32_t neededSegments, int32_t minSegmentThreshold,
                                   float dirtyReclaimRate, float reclaimWeight, int32_t gcPeriod);
    binder::Status refreshLatestWrite();
    binder::Status getWriteAmount(int32_t* _aidl_return);

    binder::Status mountAppFuse(int32_t uid, int32_t mountId,
                                android::base::unique_fd* _aidl_return);
    binder::Status unmountAppFuse(int32_t uid, int32_t mountId);
    binder::Status openAppFuseFile(int32_t uid, int32_t mountId, int32_t fileId, int32_t flags,
                                   android::base::unique_fd* _aidl_return);

    binder::Status fbeEnable();

    binder::Status initUser0();
    binder::Status mountFstab(const std::string& blkDevice, const std::string& mountPoint);
    binder::Status encryptFstab(const std::string& blkDevice, const std::string& mountPoint,
                                bool shouldFormat, const std::string& fsType);

    binder::Status setStorageBindingSeed(const std::vector<uint8_t>& seed);

    binder::Status createUserKey(int32_t userId, int32_t userSerial, bool ephemeral);
    binder::Status destroyUserKey(int32_t userId);

    binder::Status addUserKeyAuth(int32_t userId, int32_t userSerial, const std::string& secret);
    binder::Status clearUserKeyAuth(int32_t userId, int32_t userSerial, const std::string& secret);
    binder::Status fixateNewestUserKeyAuth(int32_t userId);

    binder::Status getUnlockedUsers(std::vector<int>* _aidl_return);
    binder::Status unlockUserKey(int32_t userId, int32_t userSerial, const std::string& secret);
    binder::Status lockUserKey(int32_t userId);

    binder::Status prepareUserStorage(const std::optional<std::string>& uuid, int32_t userId,
                                      int32_t userSerial, int32_t flags);
    binder::Status destroyUserStorage(const std::optional<std::string>& uuid, int32_t userId,
                                      int32_t flags);

    binder::Status prepareSandboxForApp(const std::string& packageName, int32_t appId,
                                        const std::string& sandboxId, int32_t userId);
    binder::Status destroySandboxForApp(const std::string& packageName,
                                        const std::string& sandboxId, int32_t userId);

    binder::Status startCheckpoint(int32_t retry);
    binder::Status needsCheckpoint(bool* _aidl_return);
    binder::Status needsRollback(bool* _aidl_return);
    binder::Status isCheckpointing(bool* _aidl_return);
    binder::Status commitChanges();
    binder::Status prepareCheckpoint();
    binder::Status restoreCheckpoint(const std::string& mountPoint);
    binder::Status restoreCheckpointPart(const std::string& mountPoint, int count);
    binder::Status markBootAttempt();
    binder::Status abortChanges(const std::string& message, bool retry);
    binder::Status supportsCheckpoint(bool* _aidl_return);
    binder::Status supportsBlockCheckpoint(bool* _aidl_return);
    binder::Status supportsFileCheckpoint(bool* _aidl_return);
    binder::Status resetCheckpoint();

    binder::Status earlyBootEnded();

    binder::Status incFsEnabled(bool* _aidl_return) override;
    binder::Status mountIncFs(
            const std::string& backingPath, const std::string& targetDir, int32_t flags,
            const std::string& sysfsName,
            ::android::os::incremental::IncrementalFileSystemControlParcel* _aidl_return) override;
    binder::Status unmountIncFs(const std::string& dir) override;
    binder::Status setIncFsMountOptions(
            const ::android::os::incremental::IncrementalFileSystemControlParcel& control,
            bool enableReadLogs, bool enableReadTimeouts, const std::string& sysfsName) override;
    binder::Status bindMount(const std::string& sourceDir, const std::string& targetDir) override;

    binder::Status destroyDsuMetadataKey(const std::string& dsuSlot) override;
};

}  // namespace vold
}  // namespace android

#endif  // _VOLD_NATIVE_SERVICE_H_