87 lines
2.9 KiB
Java
87 lines
2.9 KiB
Java
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/*
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* Copyright (C) 2016 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.metrics;
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import java.util.BitSet;
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import java.util.StringJoiner;
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/**
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* An event recorded by ConnectivityService when there is a change in the default network.
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* {@hide}
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*/
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public class DefaultNetworkEvent {
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// The creation time in milliseconds of this DefaultNetworkEvent.
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public final long creationTimeMs;
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// The network ID of the network or 0 if none.
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public int netId = 0;
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// The list of transport types, as defined in NetworkCapabilities.java.
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public int transports;
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// The list of transport types of the last previous default network.
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public int previousTransports;
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// Whether the network has IPv4/IPv6 connectivity.
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public boolean ipv4;
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public boolean ipv6;
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// The initial network score when this network became the default network.
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public int initialScore;
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// The initial network score when this network stopped being the default network.
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public int finalScore;
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// The total duration in milliseconds this network was the default network.
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public long durationMs;
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// The total duration in milliseconds this network was the default network and was validated.
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public long validatedMs;
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public DefaultNetworkEvent(long timeMs) {
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creationTimeMs = timeMs;
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}
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/** Update the durationMs of this DefaultNetworkEvent for the given current time. */
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public void updateDuration(long timeMs) {
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durationMs = timeMs - creationTimeMs;
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}
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@Override
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public String toString() {
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StringJoiner j = new StringJoiner(", ", "DefaultNetworkEvent(", ")");
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j.add("netId=" + netId);
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j.add("transports=" + BitSet.valueOf(new long[] { transports }));
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j.add("ip=" + ipSupport());
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if (initialScore > 0) {
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j.add("initial_score=" + initialScore);
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}
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if (finalScore > 0) {
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j.add("final_score=" + finalScore);
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}
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j.add(String.format("duration=%.0fs", durationMs / 1000.0));
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j.add(String.format("validation=%04.1f%%", (validatedMs * 100.0) / durationMs));
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return j.toString();
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}
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private String ipSupport() {
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if (ipv4 && ipv6) {
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return "IPv4v6";
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}
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if (ipv6) {
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return "IPv6";
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}
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if (ipv4) {
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return "IPv4";
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}
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return "NONE";
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}
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}
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