| /* |
| * Copyright (C) 2023 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.wifitrackerlib; |
| |
| import static com.android.wifitrackerlib.HotspotNetworkEntry.HotspotNetworkEntryKey; |
| |
| import android.annotation.TargetApi; |
| import android.content.Context; |
| import android.net.ConnectivityManager; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.sharedconnectivity.app.HotspotNetwork; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.telephony.SubscriptionManager; |
| import android.util.Log; |
| |
| import androidx.annotation.AnyThread; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.annotation.WorkerThread; |
| import androidx.lifecycle.Lifecycle; |
| |
| import java.time.Clock; |
| import java.util.List; |
| |
| /** |
| * Implementation of NetworkDetailsTracker that tracks a single HotspotNetworkEntry. |
| */ |
| @TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) |
| public class HotspotNetworkDetailsTracker extends NetworkDetailsTracker { |
| private static final String TAG = "HotspotNetworkDetailsTracker"; |
| |
| private final HotspotNetworkEntry mChosenEntry; |
| |
| private HotspotNetwork mHotspotNetworkData; |
| |
| public HotspotNetworkDetailsTracker( |
| @NonNull Lifecycle lifecycle, |
| @NonNull Context context, |
| @NonNull WifiManager wifiManager, |
| @NonNull ConnectivityManager connectivityManager, |
| @NonNull Handler mainHandler, |
| @NonNull Handler workerHandler, |
| @NonNull Clock clock, |
| long maxScanAgeMillis, |
| long scanIntervalMillis, |
| String key) { |
| this(new WifiTrackerInjector(context), lifecycle, context, wifiManager, connectivityManager, |
| mainHandler, workerHandler, clock, maxScanAgeMillis, scanIntervalMillis, key); |
| } |
| |
| @VisibleForTesting |
| HotspotNetworkDetailsTracker( |
| @NonNull WifiTrackerInjector injector, |
| @NonNull Lifecycle lifecycle, |
| @NonNull Context context, |
| @NonNull WifiManager wifiManager, |
| @NonNull ConnectivityManager connectivityManager, |
| @NonNull Handler mainHandler, |
| @NonNull Handler workerHandler, |
| @NonNull Clock clock, |
| long maxScanAgeMillis, |
| long scanIntervalMillis, |
| String key) { |
| super(injector, lifecycle, context, wifiManager, connectivityManager, |
| mainHandler, workerHandler, clock, maxScanAgeMillis, scanIntervalMillis, TAG); |
| Log.v(TAG, "key: " + key); |
| HotspotNetworkEntryKey entryKey = new HotspotNetworkEntryKey(key); |
| if (entryKey.isVirtualEntry()) { |
| Log.e(TAG, "Network details not relevant for virtual entry"); |
| } |
| mChosenEntry = new HotspotNetworkEntry(mInjector, mContext, mMainHandler, mWifiManager, |
| mSharedConnectivityManager, entryKey); |
| // It is safe to call updateStartInfo() in the main thread here since onStart() won't have |
| // a chance to post handleOnStart() on the worker thread until the main thread finishes |
| // calling this constructor. |
| updateStartInfo(); |
| Log.v(TAG, "mChosenEntry: " + mChosenEntry); |
| } |
| |
| @AnyThread |
| @Override |
| @NonNull |
| public WifiEntry getWifiEntry() { |
| return mChosenEntry; |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleOnStart() { |
| updateStartInfo(); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleServiceConnected() { |
| if (mEnableSharedConnectivityFeature && mSharedConnectivityManager != null) { |
| mHotspotNetworkData = mSharedConnectivityManager.getHotspotNetworks().stream().filter( |
| network -> network.getDeviceId() == mChosenEntry.getHotspotNetworkEntryKey() |
| .getDeviceId()).findFirst().orElse(null); |
| } |
| if (mHotspotNetworkData == null) { |
| throw new IllegalArgumentException( |
| "Cannot find data for given HotspotNetworkEntry key!"); |
| } |
| mChosenEntry.updateHotspotNetworkData(mHotspotNetworkData); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleHotspotNetworksUpdated(List<HotspotNetwork> networks) { |
| if (mEnableSharedConnectivityFeature) { |
| mHotspotNetworkData = networks.stream().filter(network -> network.getDeviceId() |
| == mChosenEntry.getHotspotNetworkEntryKey().getDeviceId()).findFirst().orElse( |
| null); |
| } |
| if (mHotspotNetworkData == null) { |
| throw new IllegalArgumentException( |
| "Cannot find data for given HotspotNetworkEntry key!"); |
| } |
| mChosenEntry.updateHotspotNetworkData(mHotspotNetworkData); |
| } |
| |
| @WorkerThread |
| private void updateStartInfo() { |
| handleDefaultSubscriptionChanged(SubscriptionManager.getDefaultDataSubscriptionId()); |
| Network currentNetwork = mWifiManager.getCurrentNetwork(); |
| if (currentNetwork == null) return; |
| NetworkCapabilities networkCapabilities = |
| mConnectivityManager.getNetworkCapabilities(currentNetwork); |
| if (networkCapabilities != null) { |
| // getNetworkCapabilities(Network) obfuscates location info such as SSID and |
| // networkId, so we need to set the WifiInfo directly from WifiManager. |
| handleNetworkCapabilitiesChanged(currentNetwork, |
| new NetworkCapabilities.Builder(networkCapabilities) |
| .setTransportInfo(mWifiManager.getConnectionInfo()) |
| .build()); |
| } |
| LinkProperties linkProperties = mConnectivityManager.getLinkProperties(currentNetwork); |
| if (linkProperties != null) { |
| handleLinkPropertiesChanged(currentNetwork, linkProperties); |
| } |
| } |
| } |