131 lines
4.7 KiB
Java
131 lines
4.7 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.os.Build;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.util.Log;
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/**
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* Snapshot of network state.
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*
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* @hide
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*/
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public class NetworkState implements Parcelable {
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private static final boolean VALIDATE_ROAMING_STATE = false;
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// TODO: remove and make members @NonNull.
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public static final NetworkState EMPTY = new NetworkState();
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public final NetworkInfo networkInfo;
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public final LinkProperties linkProperties;
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public final NetworkCapabilities networkCapabilities;
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
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public final Network network;
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public final String subscriberId;
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public final int legacyNetworkType;
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private NetworkState() {
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networkInfo = null;
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linkProperties = null;
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networkCapabilities = null;
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network = null;
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subscriberId = null;
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legacyNetworkType = 0;
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}
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public NetworkState(int legacyNetworkType, @NonNull LinkProperties linkProperties,
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@NonNull NetworkCapabilities networkCapabilities, @NonNull Network network,
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@Nullable String subscriberId) {
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this(legacyNetworkType, new NetworkInfo(legacyNetworkType, 0, null, null), linkProperties,
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networkCapabilities, network, subscriberId);
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}
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// Constructor that used internally in ConnectivityService mainline module.
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public NetworkState(@NonNull NetworkInfo networkInfo, @NonNull LinkProperties linkProperties,
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@NonNull NetworkCapabilities networkCapabilities, @NonNull Network network,
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@Nullable String subscriberId) {
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this(networkInfo.getType(), networkInfo, linkProperties,
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networkCapabilities, network, subscriberId);
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}
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public NetworkState(int legacyNetworkType, @NonNull NetworkInfo networkInfo,
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@NonNull LinkProperties linkProperties,
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@NonNull NetworkCapabilities networkCapabilities, @NonNull Network network,
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@Nullable String subscriberId) {
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this.networkInfo = networkInfo;
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this.linkProperties = linkProperties;
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this.networkCapabilities = networkCapabilities;
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this.network = network;
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this.subscriberId = subscriberId;
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this.legacyNetworkType = legacyNetworkType;
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// This object is an atomic view of a network, so the various components
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// should always agree on roaming state.
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if (VALIDATE_ROAMING_STATE && networkInfo != null && networkCapabilities != null) {
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if (networkInfo.isRoaming() == networkCapabilities
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.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING)) {
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Log.wtf("NetworkState", "Roaming state disagreement between " + networkInfo
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+ " and " + networkCapabilities);
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}
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}
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}
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@UnsupportedAppUsage
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public NetworkState(Parcel in) {
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networkInfo = in.readParcelable(null);
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linkProperties = in.readParcelable(null);
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networkCapabilities = in.readParcelable(null);
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network = in.readParcelable(null);
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subscriberId = in.readString();
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legacyNetworkType = in.readInt();
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel out, int flags) {
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out.writeParcelable(networkInfo, flags);
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out.writeParcelable(linkProperties, flags);
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out.writeParcelable(networkCapabilities, flags);
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out.writeParcelable(network, flags);
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out.writeString(subscriberId);
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out.writeInt(legacyNetworkType);
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}
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@UnsupportedAppUsage
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@NonNull
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public static final Creator<NetworkState> CREATOR = new Creator<NetworkState>() {
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@Override
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public NetworkState createFromParcel(Parcel in) {
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return new NetworkState(in);
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}
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@Override
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public NetworkState[] newArray(int size) {
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return new NetworkState[size];
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}
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};
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}
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