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Commit f5c894f7 authored by Songchun Fan's avatar Songchun Fan
Browse files

[incremental] Java service and shell command handler 

Renaming:

IIncrementalManager.aidl -> IIncrementalManagerNative.aidl
IIncrementalServiceProxy.aidl -> IIncrementalManager.aidl

Adding implementation of IIncrementalManager.aidl. Also adding
implementation of the shell command handler.

Test: $adb abb incremental help

Change-Id: Ia18fde097f6170f4774552428a2927186ede8389
parent 6cde9d9a

Android.bp

+1 −1
Original line number Original line Diff line number Diff line
@@ -804,8 +804,8 @@ cc_library { 
filegroup {

filegroup {

    name: "incremental_aidl",

    name: "incremental_aidl",

    srcs: [

    srcs: [

        "core/java/android/os/incremental/IIncrementalManagerNative.aidl",

        "core/java/android/os/incremental/IIncrementalManager.aidl",

        "core/java/android/os/incremental/IIncrementalManager.aidl",

        "core/java/android/os/incremental/IIncrementalServiceProxy.aidl",

        "core/java/android/os/incremental/IncrementalDataLoaderParamsParcel.aidl",

        "core/java/android/os/incremental/IncrementalDataLoaderParamsParcel.aidl",

        "core/java/android/os/incremental/IncrementalFileSystemControlParcel.aidl",

        "core/java/android/os/incremental/IncrementalFileSystemControlParcel.aidl",

        "core/java/android/os/incremental/NamedParcelFileDescriptor.aidl",

        "core/java/android/os/incremental/NamedParcelFileDescriptor.aidl",

core/java/android/content/Context.java

+1 −1
Original line number Original line Diff line number Diff line
@@ -4980,7 +4980,7 @@ public abstract class Context { 
     * {@link android.os.incremental.IncrementalManager}.

     * {@link android.os.incremental.IncrementalManager}.

     * @hide

     * @hide

     */

     */

    public static final String INCREMENTAL_SERVICE = "incremental";

    public static final String INCREMENTAL_SERVICE = "incremental_service";





    /**

    /**

     * Determine whether the given permission is allowed for a particular

     * Determine whether the given permission is allowed for a particular

core/java/android/os/incremental/IIncrementalManager.aidl

+15 −82
Original line number Original line Diff line number Diff line
@@ -16,89 +16,22 @@ 




package android.os.incremental;

package android.os.incremental;





import android.os.incremental.IncrementalFileSystemControlParcel;

import android.os.incremental.IncrementalDataLoaderParamsParcel;

import android.os.incremental.IncrementalDataLoaderParamsParcel;



import android.content.pm.IDataLoaderStatusListener;

/** @hide */

interface IIncrementalManager {

    /**

     * A set of flags for the |createMode| parameters when creating a new Incremental storage.

     */

    const int CREATE_MODE_TEMPORARY_BIND = 1;

    const int CREATE_MODE_PERMANENT_BIND = 2;

    const int CREATE_MODE_CREATE = 4;

    const int CREATE_MODE_OPEN_EXISTING = 8;





/**

/**

     * Opens or creates a storage given a target path and data loader params. Returns the storage ID.

 * Binder service to receive calls from native Incremental Service and handle Java tasks such as

 * looking up data loader service package names, binding and talking to the data loader service.

 * @hide

 */

 */

    int openStorage(in @utf8InCpp String path);

interface IIncrementalManager {

    int createStorage(in @utf8InCpp String path, in IncrementalDataLoaderParamsParcel params, int createMode);

    boolean prepareDataLoader(int mountId,

    int createLinkedStorage(in @utf8InCpp String path, int otherStorageId, int createMode);

        in IncrementalFileSystemControlParcel control,



        in IncrementalDataLoaderParamsParcel params,

    /**

        in IDataLoaderStatusListener listener);

     * Bind-mounts a path under a storage to a full path. Can be permanent or temporary.

    boolean startDataLoader(int mountId);

     */

    void showHealthBlockedUI(int mountId);

    const int BIND_TEMPORARY = 0;

    void destroyDataLoader(int mountId);

    const int BIND_PERMANENT = 1;

    void newFileForDataLoader(int mountId, long inode, in byte[] metadata);

    int makeBindMount(int storageId, in @utf8InCpp String pathUnderStorage, in @utf8InCpp String targetFullPath, int bindType);



    /**

     * Deletes an existing bind mount on a path under a storage. Returns 0 on success, and -errno on failure.

     */

    int deleteBindMount(int storageId, in @utf8InCpp String targetFullPath);



    /**

     * Creates a directory under a storage. The target directory is specified by its relative path under the storage.

     */

    int makeDirectory(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Recursively creates a directory under a storage. The target directory is specified by its relative path under the storage.

     * All the parent directories of the target directory will be created if they do not exist already.

     */

    int makeDirectories(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Creates a file under a storage, specifying its name, size and metadata.

     */

    int makeFile(int storageId, in @utf8InCpp String pathUnderStorage, long size, in byte[] metadata);



    /**

     * Creates a file under a storage. Content of the file is from a range inside another file.

     * Both files are specified by relative paths under storage.

     */

    int makeFileFromRange(int storageId, in @utf8InCpp String targetPathUnderStorage, in @utf8InCpp String sourcePathUnderStorage, long start, long end);



    /**

     * Creates a hard link between two files in two storage instances.

     * Source and dest specified by parent storage IDs and their relative paths under the storage.

     * The source and dest storage instances should be in the same fs mount.

     * Note: destStorageId can be the same as sourceStorageId.

     */

    int makeLink(int sourceStorageId, in @utf8InCpp String sourcePathUnderStorage, int destStorageId, in @utf8InCpp String destPathUnderStorage);



    /**

     * Deletes a hard link in a storage, specified by the relative path of the link target under storage.

     */

    int unlink(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Checks if a file's certain range is loaded. File is specified by relative file path under storage.

     */

    boolean isFileRangeLoaded(int storageId, in @utf8InCpp String pathUnderStorage, long start, long end);



    /**

     * Reads the metadata of a file. File is specified by relative path under storage.

     */

    byte[] getFileMetadata(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Starts loading data for a storage.

     */

    boolean startLoading(int storageId);



    /**

     * Deletes a storage given its ID. Deletes its bind mounts and unmount it. Stop its data loader.

     */

    void deleteStorage(int storageId);

}
 
}

core/java/android/os/incremental/IIncrementalManagerNative.aidl

0 → 100644
+104 −0
Original line number Original line Diff line number Diff line 
/*

 * Copyright (C) 2019 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.

 */



package android.os.incremental;



import android.os.incremental.IncrementalDataLoaderParamsParcel;



/** @hide */

interface IIncrementalManagerNative {

    /**

     * A set of flags for the |createMode| parameters when creating a new Incremental storage.

     */

    const int CREATE_MODE_TEMPORARY_BIND = 1;

    const int CREATE_MODE_PERMANENT_BIND = 2;

    const int CREATE_MODE_CREATE = 4;

    const int CREATE_MODE_OPEN_EXISTING = 8;



    /**

     * Opens or creates a storage given a target path and data loader params. Returns the storage ID.

     */

    int openStorage(in @utf8InCpp String path);

    int createStorage(in @utf8InCpp String path, in IncrementalDataLoaderParamsParcel params, int createMode);

    int createLinkedStorage(in @utf8InCpp String path, int otherStorageId, int createMode);



    /**

     * Bind-mounts a path under a storage to a full path. Can be permanent or temporary.

     */

    const int BIND_TEMPORARY = 0;

    const int BIND_PERMANENT = 1;

    int makeBindMount(int storageId, in @utf8InCpp String pathUnderStorage, in @utf8InCpp String targetFullPath, int bindType);



    /**

     * Deletes an existing bind mount on a path under a storage. Returns 0 on success, and -errno on failure.

     */

    int deleteBindMount(int storageId, in @utf8InCpp String targetFullPath);



    /**

     * Creates a directory under a storage. The target directory is specified by its relative path under the storage.

     */

    int makeDirectory(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Recursively creates a directory under a storage. The target directory is specified by its relative path under the storage.

     * All the parent directories of the target directory will be created if they do not exist already.

     */

    int makeDirectories(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Creates a file under a storage, specifying its name, size and metadata.

     */

    int makeFile(int storageId, in @utf8InCpp String pathUnderStorage, long size, in byte[] metadata);



    /**

     * Creates a file under a storage. Content of the file is from a range inside another file.

     * Both files are specified by relative paths under storage.

     */

    int makeFileFromRange(int storageId, in @utf8InCpp String targetPathUnderStorage, in @utf8InCpp String sourcePathUnderStorage, long start, long end);



    /**

     * Creates a hard link between two files in two storage instances.

     * Source and dest specified by parent storage IDs and their relative paths under the storage.

     * The source and dest storage instances should be in the same fs mount.

     * Note: destStorageId can be the same as sourceStorageId.

     */

    int makeLink(int sourceStorageId, in @utf8InCpp String sourcePathUnderStorage, int destStorageId, in @utf8InCpp String destPathUnderStorage);



    /**

     * Deletes a hard link in a storage, specified by the relative path of the link target under storage.

     */

    int unlink(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Checks if a file's certain range is loaded. File is specified by relative file path under storage.

     */

    boolean isFileRangeLoaded(int storageId, in @utf8InCpp String pathUnderStorage, long start, long end);



    /**

     * Reads the metadata of a file. File is specified by relative path under storage.

     */

    byte[] getFileMetadata(int storageId, in @utf8InCpp String pathUnderStorage);



    /**

     * Starts loading data for a storage.

     */

    boolean startLoading(int storageId);



    /**

     * Deletes a storage given its ID. Deletes its bind mounts and unmount it. Stop its data loader.

     */

    void deleteStorage(int storageId);

}

core/java/android/os/incremental/IIncrementalServiceProxy.aidl

deleted100644 → 0
+0 −37
Original line number Original line Diff line number Diff line 
/*

 * Copyright (C) 2019 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.

 */



package android.os.incremental;



import android.os.incremental.IncrementalFileSystemControlParcel;

import android.os.incremental.IncrementalDataLoaderParamsParcel;

import android.content.pm.IDataLoaderStatusListener;



/**

 * Binder service to receive calls from native Incremental Service and handle Java tasks such as

 * looking up data loader service package names, binding and talking to the data loader service.

 * @hide

 */

interface IIncrementalServiceProxy {

    boolean prepareDataLoader(int mountId,

        in IncrementalFileSystemControlParcel control,

        in IncrementalDataLoaderParamsParcel params,

        in IDataLoaderStatusListener listener);

    boolean startDataLoader(int mountId);

    void showHealthBlockedUI(int mountId);

    void destroyDataLoader(int mountId);

    void newFileForDataLoader(int mountId, long inode, in byte[] metadata);

}