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author | android-build-team Robot <android-build-team-robot@google.com> | 2017-10-20 07:13:02 +0000 |
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committer | android-build-team Robot <android-build-team-robot@google.com> | 2017-10-20 07:13:02 +0000 |
commit | 3c33e34de6f28d1b58b36bad081a9446b98f4c0b (patch) | |
tree | 17069ea8ec3b416696279299e732bdc7ce8d1c25 /car-lib/src/android/car/vms/VmsPublisherClientService.java | |
parent | 6a9f054b73bf13b5d04a2c26faeae1c9df1b16c5 (diff) | |
parent | 9076a39ba3e851edd74be918f50d8aba70396324 (diff) | |
download | Car-android-vts-8.1_r4.tar.gz |
Snap for 4407597 from 9076a39ba3e851edd74be918f50d8aba70396324 to oc-mr1-releaseandroid-wear-8.1.0_r1android-vts-8.1_r9android-vts-8.1_r8android-vts-8.1_r7android-vts-8.1_r6android-vts-8.1_r5android-vts-8.1_r4android-vts-8.1_r3android-vts-8.1_r14android-vts-8.1_r13android-vts-8.1_r12android-vts-8.1_r11android-vts-8.1_r10android-security-8.1.0_r93android-security-8.1.0_r92android-security-8.1.0_r91android-security-8.1.0_r90android-security-8.1.0_r89android-security-8.1.0_r88android-security-8.1.0_r87android-security-8.1.0_r86android-security-8.1.0_r85android-security-8.1.0_r84android-security-8.1.0_r83android-security-8.1.0_r82android-cts-8.1_r9android-cts-8.1_r8android-cts-8.1_r7android-cts-8.1_r6android-cts-8.1_r5android-cts-8.1_r4android-cts-8.1_r3android-cts-8.1_r25android-cts-8.1_r24android-cts-8.1_r23android-cts-8.1_r22android-cts-8.1_r21android-cts-8.1_r20android-cts-8.1_r2android-cts-8.1_r19android-cts-8.1_r18android-cts-8.1_r17android-cts-8.1_r16android-cts-8.1_r15android-cts-8.1_r14android-cts-8.1_r13android-cts-8.1_r12android-cts-8.1_r11android-cts-8.1_r10android-cts-8.1_r1android-8.1.0_r81android-8.1.0_r80android-8.1.0_r79android-8.1.0_r78android-8.1.0_r77android-8.1.0_r76android-8.1.0_r75android-8.1.0_r74android-8.1.0_r73android-8.1.0_r72android-8.1.0_r71android-8.1.0_r70android-8.1.0_r69android-8.1.0_r68android-8.1.0_r66android-8.1.0_r6android-8.1.0_r5android-8.1.0_r4android-8.1.0_r3android-8.1.0_r23android-8.1.0_r19android-8.1.0_r16android-8.1.0_r15android-8.1.0_r12android-8.1.0_r11android-8.1.0_r10android-8.1.0_r1security-oc-mr1-releaseoreo-mr1-wear-releaseoreo-mr1-vts-releaseoreo-mr1-security-releaseoreo-mr1-s1-releaseoreo-mr1-releaseoreo-mr1-cuttlefish-testingoreo-mr1-cts-releaseoreo-m4-s1-release
Change-Id: I5f01ff0bbb446a98dd9303ab32e2718d998b60ea
Diffstat (limited to 'car-lib/src/android/car/vms/VmsPublisherClientService.java')
-rw-r--r-- | car-lib/src/android/car/vms/VmsPublisherClientService.java | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/car-lib/src/android/car/vms/VmsPublisherClientService.java b/car-lib/src/android/car/vms/VmsPublisherClientService.java deleted file mode 100644 index 33ca1f3037..0000000000 --- a/car-lib/src/android/car/vms/VmsPublisherClientService.java +++ /dev/null @@ -1,282 +0,0 @@ -/* - * 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. - */ - -package android.car.vms; - - -import android.app.Service; -import android.car.annotation.FutureFeature; -import android.content.Intent; -import android.os.Handler; -import android.os.IBinder; -import android.os.Looper; -import android.os.Message; -import android.os.RemoteException; -import android.annotation.Nullable; -import android.util.Log; - -import com.android.internal.annotations.GuardedBy; - -import java.lang.ref.WeakReference; - -/** - * Services that need VMS publisher services need to inherit from this class and also need to be - * declared in the array vmsPublisherClients located in - * packages/services/Car/service/res/values/config.xml (most likely, this file will be in an overlay - * of the target product. - * - * The {@link com.android.car.VmsPublisherService} will start this service. The callback - * {@link #onVmsPublisherServiceReady()} notifies when VMS publisher services can be used, and the - * publisher can request a publisher ID in order to start publishing. - * - * SystemApi candidate. - * - * @hide - */ -@FutureFeature -public abstract class VmsPublisherClientService extends Service { - private static final boolean DBG = true; - private static final String TAG = "VmsPublisherClient"; - - private final Object mLock = new Object(); - - private Handler mHandler = new VmsEventHandler(this); - private final VmsPublisherClientBinder mVmsPublisherClient = new VmsPublisherClientBinder(this); - private volatile IVmsPublisherService mVmsPublisherService = null; - @GuardedBy("mLock") - private IBinder mToken = null; - - @Override - public final IBinder onBind(Intent intent) { - if (DBG) { - Log.d(TAG, "onBind, intent: " + intent); - } - return mVmsPublisherClient.asBinder(); - } - - @Override - public final boolean onUnbind(Intent intent) { - if (DBG) { - Log.d(TAG, "onUnbind, intent: " + intent); - } - stopSelf(); - return super.onUnbind(intent); - } - - private void setToken(IBinder token) { - synchronized (mLock) { - mToken = token; - } - } - - /** - * Notifies that the publisher services are ready. - */ - protected abstract void onVmsPublisherServiceReady(); - - /** - * Publishers need to implement this method to receive notifications of subscription changes. - * - * @param subscriptionState the state of the subscriptions. - */ - public abstract void onVmsSubscriptionChange(VmsSubscriptionState subscriptionState); - - /** - * Uses the VmsPublisherService binder to publish messages. - * - * @param layer the layer to publish to. - * @param payload the message to be sent. - * @param publisherId the ID that got assigned to the publisher that published the message by - * VMS core. - * @return if the call to the method VmsPublisherService.publish was successful. - */ - public final void publish(VmsLayer layer, int publisherId, byte[] payload) { - if (DBG) { - Log.d(TAG, "Publishing for layer : " + layer); - } - - IBinder token = getTokenForPublisherServiceThreadSafe(); - - try { - mVmsPublisherService.publish(token, layer, publisherId, payload); - } catch (RemoteException e) { - Log.e(TAG, "unable to publish message: " + payload, e); - } - } - - /** - * Uses the VmsPublisherService binder to set the layers offering. - * - * @param offering the layers that the publisher may publish. - * @return if the call to VmsPublisherService.setLayersOffering was successful. - */ - public final void setLayersOffering(VmsLayersOffering offering) { - if (DBG) { - Log.d(TAG, "Setting layers offering : " + offering); - } - - IBinder token = getTokenForPublisherServiceThreadSafe(); - - try { - mVmsPublisherService.setLayersOffering(token, offering); - VmsOperationRecorder.get().setLayersOffering(offering); - } catch (RemoteException e) { - Log.e(TAG, "unable to set layers offering: " + offering, e); - } - } - - private IBinder getTokenForPublisherServiceThreadSafe() { - if (mVmsPublisherService == null) { - throw new IllegalStateException("VmsPublisherService not set."); - } - - IBinder token; - synchronized (mLock) { - token = mToken; - } - if (token == null) { - throw new IllegalStateException("VmsPublisherService does not have a valid token."); - } - return token; - } - - public final int getPublisherId(byte[] publisherInfo) { - if (mVmsPublisherService == null) { - throw new IllegalStateException("VmsPublisherService not set."); - } - Integer publisherId = null; - try { - Log.i(TAG, "Getting publisher static ID"); - publisherId = mVmsPublisherService.getPublisherId(publisherInfo); - } catch (RemoteException e) { - Log.e(TAG, "unable to invoke binder method.", e); - } - if (publisherId == null) { - throw new IllegalStateException("VmsPublisherService cannot get a publisher static ID."); - } else { - VmsOperationRecorder.get().getPublisherId(publisherId); - } - return publisherId; - } - - /** - * Uses the VmsPublisherService binder to get the state of the subscriptions. - * - * @return list of layer/version or null in case of error. - */ - public final @Nullable VmsSubscriptionState getSubscriptions() { - if (mVmsPublisherService == null) { - throw new IllegalStateException("VmsPublisherService not set."); - } - try { - return mVmsPublisherService.getSubscriptions(); - } catch (RemoteException e) { - Log.e(TAG, "unable to invoke binder method.", e); - } - return null; - } - - private void setVmsPublisherService(IVmsPublisherService service) { - mVmsPublisherService = service; - onVmsPublisherServiceReady(); - } - - /** - * Implements the interface that the VMS service uses to communicate with this client. - */ - private static class VmsPublisherClientBinder extends IVmsPublisherClient.Stub { - private final WeakReference<VmsPublisherClientService> mVmsPublisherClientService; - @GuardedBy("mSequenceLock") - private long mSequence = -1; - private final Object mSequenceLock = new Object(); - - public VmsPublisherClientBinder(VmsPublisherClientService vmsPublisherClientService) { - mVmsPublisherClientService = new WeakReference<>(vmsPublisherClientService); - } - - @Override - public void setVmsPublisherService(IBinder token, IVmsPublisherService service) - throws RemoteException { - VmsPublisherClientService vmsPublisherClientService = mVmsPublisherClientService.get(); - if (vmsPublisherClientService == null) return; - if (DBG) { - Log.d(TAG, "setting VmsPublisherService."); - } - Handler handler = vmsPublisherClientService.mHandler; - handler.sendMessage( - handler.obtainMessage(VmsEventHandler.SET_SERVICE_CALLBACK, service)); - vmsPublisherClientService.setToken(token); - } - - @Override - public void onVmsSubscriptionChange(VmsSubscriptionState subscriptionState) - throws RemoteException { - VmsPublisherClientService vmsPublisherClientService = mVmsPublisherClientService.get(); - if (vmsPublisherClientService == null) return; - if (DBG) { - Log.d(TAG, "subscription event: " + subscriptionState); - } - synchronized (mSequenceLock) { - if (subscriptionState.getSequenceNumber() <= mSequence) { - Log.w(TAG, "Sequence out of order. Current sequence = " + mSequence - + "; expected new sequence = " + subscriptionState.getSequenceNumber()); - // Do not propagate old notifications. - return; - } else { - mSequence = subscriptionState.getSequenceNumber(); - } - } - Handler handler = vmsPublisherClientService.mHandler; - handler.sendMessage( - handler.obtainMessage(VmsEventHandler.ON_SUBSCRIPTION_CHANGE_EVENT, - subscriptionState)); - } - } - - /** - * Receives events from the binder thread and dispatches them. - */ - private final static class VmsEventHandler extends Handler { - /** Constants handled in the handler */ - private static final int ON_SUBSCRIPTION_CHANGE_EVENT = 0; - private static final int SET_SERVICE_CALLBACK = 1; - - private final WeakReference<VmsPublisherClientService> mVmsPublisherClientService; - - VmsEventHandler(VmsPublisherClientService service) { - super(Looper.getMainLooper()); - mVmsPublisherClientService = new WeakReference<>(service); - } - - @Override - public void handleMessage(Message msg) { - VmsPublisherClientService service = mVmsPublisherClientService.get(); - if (service == null) return; - switch (msg.what) { - case ON_SUBSCRIPTION_CHANGE_EVENT: - VmsSubscriptionState subscriptionState = (VmsSubscriptionState) msg.obj; - service.onVmsSubscriptionChange(subscriptionState); - break; - case SET_SERVICE_CALLBACK: - service.setVmsPublisherService((IVmsPublisherService) msg.obj); - break; - default: - Log.e(TAG, "Event type not handled: " + msg.what); - break; - } - } - } -} |