| /* |
| * Copyright (C) 2016 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 android.net.metrics; |
| |
| import android.net.NetworkCapabilities; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * An event recorded by ConnectivityService when there is a change in the default network. |
| * {@hide} |
| */ |
| public final class DefaultNetworkEvent implements Parcelable { |
| // The ID of the network that has become the new default or NETID_UNSET if none. |
| public final int netId; |
| // The list of transport types of the new default network, for example TRANSPORT_WIFI, as |
| // defined in NetworkCapabilities.java. |
| public final int[] transportTypes; |
| // The ID of the network that was the default before or NETID_UNSET if none. |
| public final int prevNetId; |
| // Whether the previous network had IPv4/IPv6 connectivity. |
| public final boolean prevIPv4; |
| public final boolean prevIPv6; |
| |
| public DefaultNetworkEvent(int netId, int[] transportTypes, |
| int prevNetId, boolean prevIPv4, boolean prevIPv6) { |
| this.netId = netId; |
| this.transportTypes = transportTypes; |
| this.prevNetId = prevNetId; |
| this.prevIPv4 = prevIPv4; |
| this.prevIPv6 = prevIPv6; |
| } |
| |
| private DefaultNetworkEvent(Parcel in) { |
| this.netId = in.readInt(); |
| this.transportTypes = in.createIntArray(); |
| this.prevNetId = in.readInt(); |
| this.prevIPv4 = (in.readByte() > 0); |
| this.prevIPv6 = (in.readByte() > 0); |
| } |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(netId); |
| out.writeIntArray(transportTypes); |
| out.writeInt(prevNetId); |
| out.writeByte(prevIPv4 ? (byte) 1 : (byte) 0); |
| out.writeByte(prevIPv6 ? (byte) 1 : (byte) 0); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| String prevNetwork = String.valueOf(prevNetId); |
| String newNetwork = String.valueOf(netId); |
| if (prevNetId != 0) { |
| prevNetwork += ":" + ipSupport(); |
| } |
| if (netId != 0) { |
| newNetwork += ":" + NetworkCapabilities.transportNamesOf(transportTypes); |
| } |
| return String.format("DefaultNetworkEvent(%s -> %s)", prevNetwork, newNetwork); |
| } |
| |
| private String ipSupport() { |
| if (prevIPv4 && prevIPv6) { |
| return "DUAL"; |
| } |
| if (prevIPv6) { |
| return "IPv6"; |
| } |
| if (prevIPv4) { |
| return "IPv4"; |
| } |
| return "NONE"; |
| } |
| |
| public static final Parcelable.Creator<DefaultNetworkEvent> CREATOR |
| = new Parcelable.Creator<DefaultNetworkEvent>() { |
| public DefaultNetworkEvent createFromParcel(Parcel in) { |
| return new DefaultNetworkEvent(in); |
| } |
| |
| public DefaultNetworkEvent[] newArray(int size) { |
| return new DefaultNetworkEvent[size]; |
| } |
| }; |
| } |