| /* |
| * 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. |
| */ |
| |
| package com.android.wifitrackerlib; |
| |
| import static com.android.wifitrackerlib.WifiEntry.CONNECTED_STATE_CONNECTED; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.ConnectivityDiagnosticsManager; |
| import android.net.ConnectivityManager; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.os.Handler; |
| |
| import androidx.annotation.AnyThread; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.annotation.WorkerThread; |
| import androidx.lifecycle.Lifecycle; |
| |
| import java.time.Clock; |
| |
| /** |
| * Wi-Fi tracker that maintains a single WifiEntry corresponding to a given WifiEntry key. |
| */ |
| public abstract class NetworkDetailsTracker extends BaseWifiTracker { |
| /** |
| * Creates a concrete implementation of a NetworkDetailsTracker depending on the type of |
| * WifiEntry being tracked. |
| * |
| * @param lifecycle Lifecycle this is tied to for lifecycle callbacks. |
| * @param context Context for registering broadcast receiver and for resource |
| * strings. |
| * @param wifiManager Provides all Wi-Fi info. |
| * @param connectivityManager Provides network info. |
| * @param mainHandler Handler for processing listener callbacks. |
| * @param workerHandler Handler for processing all broadcasts and running the Scanner. |
| * @param clock Clock used for evaluating the age of scans |
| * @param maxScanAgeMillis Max age for tracked WifiEntries. |
| * @param scanIntervalMillis Interval between initiating scans. |
| * @param key Key of the WifiEntry to be tracked. |
| * @return |
| */ |
| public static NetworkDetailsTracker createNetworkDetailsTracker(@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) { |
| return createNetworkDetailsTracker( |
| new WifiTrackerInjector(context), |
| lifecycle, |
| context, |
| wifiManager, |
| connectivityManager, |
| mainHandler, |
| workerHandler, |
| clock, |
| maxScanAgeMillis, |
| scanIntervalMillis, |
| key); |
| } |
| |
| @VisibleForTesting |
| static NetworkDetailsTracker createNetworkDetailsTracker( |
| @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) { |
| if (key.startsWith(StandardWifiEntry.KEY_PREFIX)) { |
| return new StandardNetworkDetailsTracker(injector, lifecycle, context, wifiManager, |
| connectivityManager, mainHandler, workerHandler, clock, |
| maxScanAgeMillis, scanIntervalMillis, key); |
| } else if (key.startsWith(PasspointWifiEntry.KEY_PREFIX)) { |
| return new PasspointNetworkDetailsTracker(injector, lifecycle, context, wifiManager, |
| connectivityManager, mainHandler, workerHandler, clock, |
| maxScanAgeMillis, scanIntervalMillis, key); |
| } else if (key.startsWith(HotspotNetworkEntry.KEY_PREFIX)) { |
| return new HotspotNetworkDetailsTracker(injector, lifecycle, context, wifiManager, |
| connectivityManager, mainHandler, workerHandler, clock, |
| maxScanAgeMillis, scanIntervalMillis, key); |
| } else { |
| throw new IllegalArgumentException("Key does not contain valid key prefix!"); |
| } |
| } |
| |
| /** |
| * Abstract constructor for NetworkDetailsTracker. |
| * Clients must use {@link NetworkDetailsTracker#createNetworkDetailsTracker} for creating |
| * an appropriate concrete instance of this class. |
| */ |
| NetworkDetailsTracker( |
| @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 tag) { |
| super(injector, lifecycle, context, wifiManager, connectivityManager, |
| mainHandler, workerHandler, clock, maxScanAgeMillis, scanIntervalMillis, |
| null /* listener */, tag); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleNetworkStateChangedAction(@NonNull Intent intent) { |
| WifiInfo primaryWifiInfo = mWifiManager.getConnectionInfo(); |
| NetworkInfo networkInfo = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); |
| if (primaryWifiInfo == null || networkInfo == null) { |
| return; |
| } |
| getWifiEntry().onPrimaryWifiInfoChanged(primaryWifiInfo, networkInfo); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleLinkPropertiesChanged( |
| @NonNull Network network, @Nullable LinkProperties linkProperties) { |
| final WifiEntry chosenEntry = getWifiEntry(); |
| if (chosenEntry.getConnectedState() == CONNECTED_STATE_CONNECTED) { |
| chosenEntry.updateLinkProperties(network, linkProperties); |
| } |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleNetworkCapabilitiesChanged( |
| @NonNull Network network, @NonNull NetworkCapabilities capabilities) { |
| getWifiEntry().onNetworkCapabilitiesChanged(network, capabilities); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleNetworkLost(@NonNull Network network) { |
| getWifiEntry().onNetworkLost(network); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleDefaultNetworkCapabilitiesChanged( |
| @NonNull Network network, @NonNull NetworkCapabilities capabilities) { |
| getWifiEntry().onDefaultNetworkCapabilitiesChanged(network, capabilities); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleDefaultNetworkLost() { |
| getWifiEntry().onDefaultNetworkLost(); |
| } |
| |
| @WorkerThread |
| @Override |
| protected void handleConnectivityReportAvailable( |
| @NonNull ConnectivityDiagnosticsManager.ConnectivityReport connectivityReport) { |
| getWifiEntry().updateConnectivityReport(connectivityReport); |
| } |
| |
| /** |
| * Returns the WifiEntry object representing the single network being tracked. |
| */ |
| @AnyThread |
| @NonNull |
| public abstract WifiEntry getWifiEntry(); |
| } |