Also log IPv4 and IPv6 connectivity of any previous default network (48f12f2a) · Commits · e / os / android_frameworks_base

core/java/android/net/metrics/ConnectivityServiceChangeEvent.java

+20 −8

Original line number	Diff line number	Diff line
		@@ -27,28 +27,38 @@ public class ConnectivityServiceChangeEvent extends IpConnectivityEvent implemen

		// The ID of the network that has become the new default or NETID_UNSET if none.
		private final int mNetId;
		// The ID of the network that was the default before or NETID_UNSET if none.
		private final int mPrevNetId;
		// The list of transport types of the new default network, for example TRANSPORT_WIFI, as
		// defined in NetworkCapabilities.java.
		private final int[] mTransportTypes;
		// The ID of the network that was the default before or NETID_UNSET if none.
		private final int mPrevNetId;
		// Whether the previous network had IPv4/IPv6 connectivity.
		private final boolean mPrevIPv4;
		private final boolean mPrevIPv6;

		public ConnectivityServiceChangeEvent(int netId, int prevNetId, int[] transportTypes) {
		public ConnectivityServiceChangeEvent(int netId, int[] transportTypes,
		int prevNetId, boolean prevIPv4, boolean prevIPv6) {
		mNetId = netId;
		mPrevNetId = prevNetId;
		mTransportTypes = transportTypes;
		mPrevNetId = prevNetId;
		mPrevIPv4 = prevIPv4;
		mPrevIPv6 = prevIPv6;
		}

		public ConnectivityServiceChangeEvent(Parcel in) {
		mNetId = in.readInt();
		mPrevNetId = in.readInt();
		mTransportTypes = in.createIntArray();
		mPrevNetId = in.readInt();
		mPrevIPv4 = (in.readByte() > 0);
		mPrevIPv6 = (in.readByte() > 0);
		}

		public void writeToParcel(Parcel out, int flags) {
		out.writeInt(mNetId);
		out.writeInt(mPrevNetId);
		out.writeIntArray(mTransportTypes);
		out.writeInt(mPrevNetId);
		out.writeByte(mPrevIPv4 ? (byte) 1 : (byte) 0);
		out.writeByte(mPrevIPv6 ? (byte) 1 : (byte) 0);
		}

		public static final Parcelable.Creator<ConnectivityServiceChangeEvent> CREATOR
		@@ -62,8 +72,10 @@ public class ConnectivityServiceChangeEvent extends IpConnectivityEvent implemen
		}
		};

		public static void logEvent(int netId, int prevNetId, int[] transportTypes) {
		public static void logEvent(int netId, int[] transportTypes,
		int prevNetId, boolean prevIPv4, boolean prevIPv6) {
		IpConnectivityEvent.logEvent(IpConnectivityEvent.IPCE_CONSRV_DEFAULT_NET_CHANGE,
		new ConnectivityServiceChangeEvent(netId, prevNetId, transportTypes));
		new ConnectivityServiceChangeEvent(
		netId, transportTypes, prevNetId, prevIPv4, prevIPv6));
		}
		};

services/core/java/com/android/server/ConnectivityService.java

+21 −6

Original line number	Diff line number	Diff line
		@@ -2208,9 +2208,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
		rematchAllNetworksAndRequests(null, 0);
		if (wasDefault && getDefaultNetwork() == null) {
		// Log that we lost the default network and there is no replacement.
		final int[] transportTypes = new int[0];
		ConnectivityServiceChangeEvent.logEvent(NETID_UNSET, nai.network.netId,
		transportTypes);
		logConnectivityServiceChangeEvent(null, nai);
		}
		if (nai.created) {
		// Tell netd to clean up the configuration for this network
		@@ -4434,7 +4432,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
		}

		private void makeDefault(NetworkAgentInfo newNetwork, NetworkAgentInfo prevNetwork) {
		int prevNetId = (prevNetwork == null) ? NETID_UNSET : prevNetwork.network.netId;
		if (DBG) log("Switching to new default network: " + newNetwork);
		setupDataActivityTracking(newNetwork);
		try {
		@@ -4446,8 +4443,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
		handleApplyDefaultProxy(newNetwork.linkProperties.getHttpProxy());
		updateTcpBufferSizes(newNetwork);
		setDefaultDnsSystemProperties(newNetwork.linkProperties.getDnsServers());
		ConnectivityServiceChangeEvent.logEvent(newNetwork.network.netId, prevNetId,
		newNetwork.networkCapabilities.getTransportTypes());

		logConnectivityServiceChangeEvent(newNetwork, prevNetwork);
		}

		// Handles a network appearing or improving its score.
		@@ -5068,4 +5065,22 @@ public class ConnectivityService extends IConnectivityManager.Stub
		NetworkAgentInfo nai, NetworkRequest defaultRequest) {
		return new NetworkMonitor(context, handler, nai, defaultRequest);
		}

		private static void logConnectivityServiceChangeEvent(
		NetworkAgentInfo next, NetworkAgentInfo prev) {
		final int newNetId = (next == null) ? NETID_UNSET : next.network.netId;
		final int[] newTransportTypes = (next == null)
		? new int[0]
		: next.networkCapabilities.getTransportTypes();

		final int oldNetId = (prev == null) ? NETID_UNSET : prev.network.netId;
		final boolean hadIPv4 = (prev != null) &&
		prev.linkProperties.hasIPv4Address() &&
		prev.linkProperties.hasIPv4DefaultRoute();
		final boolean hadIPv6 = (prev != null) &&
		prev.linkProperties.hasGlobalIPv6Address() &&
		prev.linkProperties.hasIPv6DefaultRoute();
		ConnectivityServiceChangeEvent.logEvent(newNetId, newTransportTypes,
		oldNetId, hadIPv4, hadIPv6);
		}
		}