| /* |
| * 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 com.android.server.connectivity; |
| |
| import android.net.ConnectivityMetricsEvent; |
| import android.net.metrics.ApfProgramEvent; |
| import android.net.metrics.ApfStats; |
| import android.net.metrics.DefaultNetworkEvent; |
| import android.net.metrics.DhcpClientEvent; |
| import android.net.metrics.DhcpErrorEvent; |
| import android.net.metrics.DnsEvent; |
| import android.net.metrics.IpManagerEvent; |
| import android.net.metrics.IpReachabilityEvent; |
| import android.net.metrics.NetworkEvent; |
| import android.net.metrics.RaEvent; |
| import android.net.metrics.ValidationProbeEvent; |
| import android.os.Parcelable; |
| import com.android.server.connectivity.metrics.IpConnectivityLogClass; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static com.android.server.connectivity.metrics.IpConnectivityLogClass.IpConnectivityEvent; |
| import static com.android.server.connectivity.metrics.IpConnectivityLogClass.IpConnectivityLog; |
| import static com.android.server.connectivity.metrics.IpConnectivityLogClass.NetworkId; |
| |
| /** {@hide} */ |
| final public class IpConnectivityEventBuilder { |
| private IpConnectivityEventBuilder() { |
| } |
| |
| public static byte[] serialize(int dropped, List<IpConnectivityEvent> events) |
| throws IOException { |
| final IpConnectivityLog log = new IpConnectivityLog(); |
| log.events = events.toArray(new IpConnectivityEvent[events.size()]); |
| log.droppedEvents = dropped; |
| if ((log.events.length > 0) || (dropped > 0)) { |
| // Only write version number if log has some information at all. |
| log.version = IpConnectivityMetrics.VERSION; |
| } |
| return IpConnectivityLog.toByteArray(log); |
| } |
| |
| public static List<IpConnectivityEvent> toProto(List<ConnectivityMetricsEvent> eventsIn) { |
| final ArrayList<IpConnectivityEvent> eventsOut = new ArrayList<>(eventsIn.size()); |
| for (ConnectivityMetricsEvent in : eventsIn) { |
| final IpConnectivityEvent out = toProto(in); |
| if (out == null) { |
| continue; |
| } |
| eventsOut.add(out); |
| } |
| return eventsOut; |
| } |
| |
| public static IpConnectivityEvent toProto(ConnectivityMetricsEvent ev) { |
| final IpConnectivityEvent out = new IpConnectivityEvent(); |
| if (!setEvent(out, ev.data)) { |
| return null; |
| } |
| out.timeMs = ev.timestamp; |
| return out; |
| } |
| |
| private static boolean setEvent(IpConnectivityEvent out, Parcelable in) { |
| if (in instanceof DhcpErrorEvent) { |
| setDhcpErrorEvent(out, (DhcpErrorEvent) in); |
| return true; |
| } |
| |
| if (in instanceof DhcpClientEvent) { |
| setDhcpClientEvent(out, (DhcpClientEvent) in); |
| return true; |
| } |
| |
| if (in instanceof DnsEvent) { |
| setDnsEvent(out, (DnsEvent) in); |
| return true; |
| } |
| |
| if (in instanceof IpManagerEvent) { |
| setIpManagerEvent(out, (IpManagerEvent) in); |
| return true; |
| } |
| |
| if (in instanceof IpReachabilityEvent) { |
| setIpReachabilityEvent(out, (IpReachabilityEvent) in); |
| return true; |
| } |
| |
| if (in instanceof DefaultNetworkEvent) { |
| setDefaultNetworkEvent(out, (DefaultNetworkEvent) in); |
| return true; |
| } |
| |
| if (in instanceof NetworkEvent) { |
| setNetworkEvent(out, (NetworkEvent) in); |
| return true; |
| } |
| |
| if (in instanceof ValidationProbeEvent) { |
| setValidationProbeEvent(out, (ValidationProbeEvent) in); |
| return true; |
| } |
| |
| if (in instanceof ApfProgramEvent) { |
| setApfProgramEvent(out, (ApfProgramEvent) in); |
| return true; |
| } |
| |
| if (in instanceof ApfStats) { |
| setApfStats(out, (ApfStats) in); |
| return true; |
| } |
| |
| if (in instanceof RaEvent) { |
| setRaEvent(out, (RaEvent) in); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| private static void setDhcpErrorEvent(IpConnectivityEvent out, DhcpErrorEvent in) { |
| out.dhcpEvent = new IpConnectivityLogClass.DHCPEvent(); |
| out.dhcpEvent.ifName = in.ifName; |
| out.dhcpEvent.errorCode = in.errorCode; |
| } |
| |
| private static void setDhcpClientEvent(IpConnectivityEvent out, DhcpClientEvent in) { |
| out.dhcpEvent = new IpConnectivityLogClass.DHCPEvent(); |
| out.dhcpEvent.ifName = in.ifName; |
| out.dhcpEvent.stateTransition = in.msg; |
| out.dhcpEvent.durationMs = in.durationMs; |
| } |
| |
| private static void setDnsEvent(IpConnectivityEvent out, DnsEvent in) { |
| out.dnsLookupBatch = new IpConnectivityLogClass.DNSLookupBatch(); |
| out.dnsLookupBatch.networkId = netIdOf(in.netId); |
| out.dnsLookupBatch.eventTypes = bytesToInts(in.eventTypes); |
| out.dnsLookupBatch.returnCodes = bytesToInts(in.returnCodes); |
| out.dnsLookupBatch.latenciesMs = in.latenciesMs; |
| } |
| |
| private static void setIpManagerEvent(IpConnectivityEvent out, IpManagerEvent in) { |
| out.ipProvisioningEvent = new IpConnectivityLogClass.IpProvisioningEvent(); |
| out.ipProvisioningEvent.ifName = in.ifName; |
| out.ipProvisioningEvent.eventType = in.eventType; |
| out.ipProvisioningEvent.latencyMs = (int) in.durationMs; |
| } |
| |
| private static void setIpReachabilityEvent(IpConnectivityEvent out, IpReachabilityEvent in) { |
| out.ipReachabilityEvent = new IpConnectivityLogClass.IpReachabilityEvent(); |
| out.ipReachabilityEvent.ifName = in.ifName; |
| out.ipReachabilityEvent.eventType = in.eventType; |
| } |
| |
| private static void setDefaultNetworkEvent(IpConnectivityEvent out, DefaultNetworkEvent in) { |
| out.defaultNetworkEvent = new IpConnectivityLogClass.DefaultNetworkEvent(); |
| out.defaultNetworkEvent.networkId = netIdOf(in.netId); |
| out.defaultNetworkEvent.previousNetworkId = netIdOf(in.prevNetId); |
| out.defaultNetworkEvent.transportTypes = in.transportTypes; |
| out.defaultNetworkEvent.previousNetworkIpSupport = ipSupportOf(in); |
| } |
| |
| private static void setNetworkEvent(IpConnectivityEvent out, NetworkEvent in) { |
| out.networkEvent = new IpConnectivityLogClass.NetworkEvent(); |
| out.networkEvent.networkId = netIdOf(in.netId); |
| out.networkEvent.eventType = in.eventType; |
| out.networkEvent.latencyMs = (int) in.durationMs; |
| } |
| |
| private static void setValidationProbeEvent(IpConnectivityEvent out, ValidationProbeEvent in) { |
| out.validationProbeEvent = new IpConnectivityLogClass.ValidationProbeEvent(); |
| out.validationProbeEvent.networkId = netIdOf(in.netId); |
| out.validationProbeEvent.latencyMs = (int) in.durationMs; |
| out.validationProbeEvent.probeType = in.probeType; |
| out.validationProbeEvent.probeResult = in.returnCode; |
| } |
| |
| private static void setApfProgramEvent(IpConnectivityEvent out, ApfProgramEvent in) { |
| out.apfProgramEvent = new IpConnectivityLogClass.ApfProgramEvent(); |
| out.apfProgramEvent.lifetime = in.lifetime; |
| out.apfProgramEvent.filteredRas = in.filteredRas; |
| out.apfProgramEvent.currentRas = in.currentRas; |
| out.apfProgramEvent.programLength = in.programLength; |
| if (isBitSet(in.flags, ApfProgramEvent.FLAG_MULTICAST_FILTER_ON)) { |
| out.apfProgramEvent.dropMulticast = true; |
| } |
| if (isBitSet(in.flags, ApfProgramEvent.FLAG_HAS_IPV4_ADDRESS)) { |
| out.apfProgramEvent.hasIpv4Addr = true; |
| } |
| } |
| |
| private static void setApfStats(IpConnectivityEvent out, ApfStats in) { |
| out.apfStatistics = new IpConnectivityLogClass.ApfStatistics(); |
| out.apfStatistics.durationMs = in.durationMs; |
| out.apfStatistics.receivedRas = in.receivedRas; |
| out.apfStatistics.matchingRas = in.matchingRas; |
| out.apfStatistics.droppedRas = in.droppedRas; |
| out.apfStatistics.zeroLifetimeRas = in.zeroLifetimeRas; |
| out.apfStatistics.parseErrors = in.parseErrors; |
| out.apfStatistics.programUpdates = in.programUpdates; |
| out.apfStatistics.maxProgramSize = in.maxProgramSize; |
| } |
| |
| private static void setRaEvent(IpConnectivityEvent out, RaEvent in) { |
| out.raEvent = new IpConnectivityLogClass.RaEvent(); |
| out.raEvent.routerLifetime = in.routerLifetime; |
| out.raEvent.prefixValidLifetime = in.prefixValidLifetime; |
| out.raEvent.prefixPreferredLifetime = in.prefixPreferredLifetime; |
| out.raEvent.routeInfoLifetime = in.routeInfoLifetime; |
| out.raEvent.rdnssLifetime = in.rdnssLifetime; |
| out.raEvent.dnsslLifetime = in.dnsslLifetime; |
| } |
| |
| private static int[] bytesToInts(byte[] in) { |
| final int[] out = new int[in.length]; |
| for (int i = 0; i < in.length; i++) { |
| out[i] = in[i] & 0xFF; |
| } |
| return out; |
| } |
| |
| private static NetworkId netIdOf(int netid) { |
| final NetworkId ni = new NetworkId(); |
| ni.networkId = netid; |
| return ni; |
| } |
| |
| private static int ipSupportOf(DefaultNetworkEvent in) { |
| if (in.prevIPv4 && in.prevIPv6) { |
| return IpConnectivityLogClass.DefaultNetworkEvent.DUAL; |
| } |
| if (in.prevIPv6) { |
| return IpConnectivityLogClass.DefaultNetworkEvent.IPV6; |
| } |
| if (in.prevIPv4) { |
| return IpConnectivityLogClass.DefaultNetworkEvent.IPV4; |
| } |
| return IpConnectivityLogClass.DefaultNetworkEvent.NONE; |
| } |
| |
| private static boolean isBitSet(int flags, int bit) { |
| return (flags & (1 << bit)) != 0; |
| } |
| } |