| /* |
| * Copyright (C) 2022 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.uwb.discovery; |
| |
| import android.content.AttributionSource; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import androidx.annotation.WorkerThread; |
| |
| import com.android.server.uwb.discovery.DiscoveryAdvertiseProvider.DiscoveryAdvertiseCallback; |
| import com.android.server.uwb.discovery.ble.BleDiscoveryAdvertiseProvider; |
| import com.android.server.uwb.discovery.info.DiscoveryInfo; |
| |
| import java.util.concurrent.Executor; |
| |
| /** This service manages the DiscoveryAdvertiseProvider. */ |
| @WorkerThread |
| public class DiscoveryAdvertiseService { |
| private static final String TAG = "DiscoveryAdvertiseService"; |
| |
| private final DiscoveryAdvertiseProvider mDiscoveryAdvertiseProvider; |
| |
| public DiscoveryAdvertiseService( |
| AttributionSource attributionSource, |
| Context context, |
| Executor executor, |
| DiscoveryInfo discoveryInfo, |
| DiscoveryAdvertiseCallback discoveryAdvertiseCallback) |
| throws AssertionError { |
| |
| switch (discoveryInfo.transportType) { |
| case BLE: |
| mDiscoveryAdvertiseProvider = |
| new BleDiscoveryAdvertiseProvider( |
| attributionSource, |
| context, |
| executor, |
| discoveryInfo.advertiseInfo.get(), |
| discoveryAdvertiseCallback); |
| break; |
| default: |
| throw new AssertionError( |
| "Failed to create DiscoveryAdvertiseProvider due to invalid transport type:" |
| + " " |
| + discoveryInfo.transportType); |
| } |
| } |
| |
| /** |
| * Start discoverying |
| * @return indicates if succeefully started. |
| */ |
| public boolean startDiscovery() { |
| if (mDiscoveryAdvertiseProvider.isStarted()) { |
| Log.i(TAG, "Discovery already started."); |
| return false; |
| } |
| return mDiscoveryAdvertiseProvider.startAdvertise(); |
| } |
| |
| /** |
| * Stop discoverying |
| * @return indicates if succeefully stopped. |
| */ |
| public boolean stopDiscovery() { |
| if (!mDiscoveryAdvertiseProvider.isStarted()) { |
| Log.i(TAG, "Discovery already stopped."); |
| return false; |
| } |
| return mDiscoveryAdvertiseProvider.stopAdvertise(); |
| } |
| } |