Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3c82a306 authored by Songchun Fan's avatar Songchun Fan
Browse files

[incremental] native implementation of Incremental Service 

The implementation of IIncrementalManager.aidl. TODO to refactor this.

Test: atest service.incremental_test
Change-Id: Ib8c8a9c0e7f0289b4bcd8961fa39746ed12b4310
parent 73b4b64b

core/java/android/os/incremental/IncrementalManager.java

+4 −2
Original line number Diff line number Diff line
@@ -328,7 +328,9 @@ public final class IncrementalManager { 
     * Checks if path is mounted on Incremental File System.

     */

    public static boolean isIncrementalPath(@NonNull String path) {

        // TODO(b/136132412): add jni implementation

        return false;

        return nativeIsIncrementalPath(path);

    }



    /* Native methods */

    private static native boolean nativeIsIncrementalPath(@NonNull String path);

}

core/jni/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -141,6 +141,7 @@ cc_library_shared { 
                "android_os_UEventObserver.cpp",

                "android_os_VintfObject.cpp",

                "android_os_VintfRuntimeInfo.cpp",

                "android_os_incremental_IncrementalManager.cpp",

                "android_net_LocalSocketImpl.cpp",

                "android_net_NetUtils.cpp",

                "android_service_DataLoaderService.cpp",

core/jni/AndroidRuntime.cpp

+2 −0
Original line number Diff line number Diff line
@@ -152,6 +152,7 @@ extern int register_android_os_HidlMemory(JNIEnv* env); 
extern int register_android_os_MemoryFile(JNIEnv* env);

extern int register_android_os_SharedMemory(JNIEnv* env);

extern int register_android_service_DataLoaderService(JNIEnv* env);

extern int register_android_os_incremental_IncrementalManager(JNIEnv* env);

extern int register_android_net_LocalSocketImpl(JNIEnv* env);

extern int register_android_net_NetworkUtils(JNIEnv* env);

extern int register_android_text_AndroidCharacter(JNIEnv *env);
@@ -1496,6 +1497,7 @@ static const RegJNIRec gRegJNI[] = { 
    REG_JNI(register_android_net_NetworkUtils),

    REG_JNI(register_android_os_MemoryFile),

    REG_JNI(register_android_os_SharedMemory),

    REG_JNI(register_android_os_incremental_IncrementalManager),

    REG_JNI(register_com_android_internal_os_ClassLoaderFactory),

    REG_JNI(register_com_android_internal_os_Zygote),

    REG_JNI(register_com_android_internal_os_ZygoteInit),

core/jni/android_os_incremental_IncrementalManager.cpp

0 → 100644
+46 −0
Original line number 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.

 */



#define LOG_TAG "incremental_manager-jni"



#include "core_jni_helpers.h"

#include "incfs_ndk.h"

#include "jni.h"

#include "nativehelper/JNIHelp.h"



#include <iterator>

#include <memory>



namespace android {



static jboolean nativeIsIncrementalPath(JNIEnv* env,

                                    jobject clazz,

                                    jstring javaPath) {

    ScopedUtfChars path(env, javaPath);

    return (jboolean)IncFs_IsIncFsPath(path.c_str());

}



static const JNINativeMethod method_table[] = {

        {"nativeIsIncrementalPath", "(Ljava/lang/String;)Z",

         (void*)nativeIsIncrementalPath},

};



int register_android_os_incremental_IncrementalManager(JNIEnv* env) {

    return jniRegisterNativeMethods(env, "android/os/incremental/IncrementalManager",

                                    method_table, std::size(method_table));

}



} // namespace android

services/core/java/com/android/server/incremental/IncrementalManagerService.java

+7 −2
Original line number Diff line number Diff line
@@ -67,13 +67,14 @@ public class IncrementalManagerService extends IIncrementalManager.Stub { 
        mDataLoaderManager = mContext.getSystemService(DataLoaderManager.class);

        ServiceManager.addService(BINDER_SERVICE_NAME, this);

        // Starts and register IIncrementalManagerNative service

        // TODO(b/136132412): add jni implementation

        mNativeInstance = nativeStartService();

    }



    /**

     * Notifies native IIncrementalManager service that system is ready.

     */

    public void systemReady() {

        // TODO(b/136132412): add jni implementation

        nativeSystemReady(mNativeInstance);

    }



    /**
@@ -152,4 +153,8 @@ public class IncrementalManagerService extends IIncrementalManager.Stub { 
        (new IncrementalManagerShellCommand(mContext)).exec(

                this, in, out, err, args, callback, resultReceiver);

    }



    private static native long nativeStartService();



    private static native void nativeSystemReady(long nativeInstance);

}