| /* |
| * 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 com.android.server.wifi; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.net.wifi.ILocalOnlyHotspotCallback; |
| import android.net.wifi.SoftApConfiguration; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.WorkSource; |
| |
| import com.android.internal.util.Preconditions; |
| |
| /** |
| * Tracks information about applications requesting use of the LocalOnlyHotspot. |
| * |
| * @hide |
| */ |
| class LocalOnlyHotspotRequestInfo implements IBinder.DeathRecipient { |
| static final int HOTSPOT_NO_ERROR = -1; |
| |
| private final int mPid; |
| private final WorkSource mWs; |
| private final ILocalOnlyHotspotCallback mCallback; |
| private final RequestingApplicationDeathCallback mDeathCallback; |
| private final SoftApConfiguration mCustomConfig; |
| |
| /** |
| * Callback for use with LocalOnlyHotspot to unregister requesting applications upon death. |
| */ |
| interface RequestingApplicationDeathCallback { |
| /** |
| * Called when requesting app has died. |
| */ |
| void onLocalOnlyHotspotRequestorDeath(LocalOnlyHotspotRequestInfo requestor); |
| } |
| |
| LocalOnlyHotspotRequestInfo(@NonNull WorkSource ws, @NonNull ILocalOnlyHotspotCallback callback, |
| @NonNull RequestingApplicationDeathCallback deathCallback, |
| @Nullable SoftApConfiguration customConfig) { |
| mPid = Binder.getCallingPid(); |
| mWs = Preconditions.checkNotNull(ws); |
| mCallback = Preconditions.checkNotNull(callback); |
| mDeathCallback = Preconditions.checkNotNull(deathCallback); |
| mCustomConfig = customConfig; |
| |
| try { |
| mCallback.asBinder().linkToDeath(this, 0); |
| } catch (RemoteException e) { |
| binderDied(); |
| } |
| } |
| |
| /** |
| * Allow caller to unlink this object from binder death. |
| */ |
| public void unlinkDeathRecipient() { |
| mCallback.asBinder().unlinkToDeath(this, 0); |
| } |
| |
| /** |
| * Application requesting LocalOnlyHotspot died |
| */ |
| @Override |
| public void binderDied() { |
| mDeathCallback.onLocalOnlyHotspotRequestorDeath(this); |
| } |
| |
| /** |
| * Send a HOTSPOT_FAILED message to WifiManager for the calling application with the error code. |
| * |
| * @param reasonCode error code for the message |
| * |
| * @throws RemoteException |
| */ |
| public void sendHotspotFailedMessage(int reasonCode) throws RemoteException { |
| mCallback.onHotspotFailed(reasonCode); |
| } |
| |
| /** |
| * Send a HOTSPOT_STARTED message to WifiManager for the calling application with the config. |
| * |
| * @param config SoftApConfiguration for the callback |
| * |
| * @throws RemoteException |
| */ |
| public void sendHotspotStartedMessage(SoftApConfiguration config) throws RemoteException { |
| mCallback.onHotspotStarted(config); |
| } |
| |
| /** |
| * Send a HOTSPOT_STOPPED message to WifiManager for the calling application. |
| * |
| * @throws RemoteException |
| */ |
| public void sendHotspotStoppedMessage() throws RemoteException { |
| mCallback.onHotspotStopped(); |
| } |
| |
| public int getPid() { |
| return mPid; |
| } |
| |
| public @NonNull WorkSource getWorkSource() { |
| return mWs; |
| } |
| |
| public SoftApConfiguration getCustomConfig() { |
| return mCustomConfig; |
| } |
| } |