Fix Legacy NetworkInfo API (b90b20b5) · Commits · e / os / android_frameworks_base

core/java/android/net/ConnectivityManager.java

+12 −8

Original line number	Diff line number	Diff line
		@@ -905,7 +905,7 @@ public class ConnectivityManager {
		return null;
		}

		private int networkTypeForNetworkCapabilities(NetworkCapabilities netCap) {
		private int legacyTypeForNetworkCapabilities(NetworkCapabilities netCap) {
		if (netCap == null) return TYPE_NONE;
		if (netCap.hasCapability(NetworkCapabilities.NET_CAPABILITY_CBS)) {
		return TYPE_MOBILE_CBS;
		@@ -928,6 +928,9 @@ public class ConnectivityManager {
		if (netCap.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) {
		return TYPE_MOBILE_HIPRI;
		}
		if (netCap.hasCapability(NetworkCapabilities.NET_CAPABILITY_WIFI_P2P)) {
		return TYPE_WIFI_P2P;
		}
		return TYPE_NONE;
		}

		@@ -988,7 +991,7 @@ public class ConnectivityManager {

		private NetworkRequest requestNetworkForFeatureLocked(NetworkCapabilities netCap) {
		int delay = -1;
		int type = networkTypeForNetworkCapabilities(netCap);
		int type = legacyTypeForNetworkCapabilities(netCap);
		try {
		delay = mService.getRestoreDefaultNetworkDelay(type);
		} catch (RemoteException e) {}
		@@ -997,7 +1000,7 @@ public class ConnectivityManager {
		l.delay = delay;
		l.expireSequenceNumber = 0;
		l.networkRequest = sendRequestForNetwork(netCap, l.networkCallbackListener, 0,
		REQUEST, true);
		REQUEST, type);
		if (l.networkRequest == null) return null;
		sLegacyRequests.put(netCap, l);
		sendExpireMsgForFeature(netCap, l.expireSequenceNumber, delay);
		@@ -2144,7 +2147,7 @@ public class ConnectivityManager {

		private NetworkRequest sendRequestForNetwork(NetworkCapabilities need,
		NetworkCallbackListener networkCallbackListener, int timeoutSec, int action,
		boolean legacy) {
		int legacyType) {
		NetworkRequest networkRequest = null;
		if (networkCallbackListener == null) {
		throw new IllegalArgumentException("null NetworkCallbackListener");
		@@ -2157,7 +2160,7 @@ public class ConnectivityManager {
		new Binder());
		} else {
		networkRequest = mService.requestNetwork(need, new Messenger(sCallbackHandler),
		timeoutSec, new Binder(), legacy);
		timeoutSec, new Binder(), legacyType);
		}
		if (networkRequest != null) {
		synchronized(sNetworkCallbackListener) {
		@@ -2187,7 +2190,7 @@ public class ConnectivityManager {
		*/
		public NetworkRequest requestNetwork(NetworkCapabilities need,
		NetworkCallbackListener networkCallbackListener) {
		return sendRequestForNetwork(need, networkCallbackListener, 0, REQUEST, false);
		return sendRequestForNetwork(need, networkCallbackListener, 0, REQUEST, TYPE_NONE);
		}

		/**
		@@ -2210,7 +2213,8 @@ public class ConnectivityManager {
		*/
		public NetworkRequest requestNetwork(NetworkCapabilities need,
		NetworkCallbackListener networkCallbackListener, int timeoutSec) {
		return sendRequestForNetwork(need, networkCallbackListener, timeoutSec, REQUEST, false);
		return sendRequestForNetwork(need, networkCallbackListener, timeoutSec, REQUEST,
		TYPE_NONE);
		}

		/**
		@@ -2288,7 +2292,7 @@ public class ConnectivityManager {
		*/
		public NetworkRequest listenForNetwork(NetworkCapabilities need,
		NetworkCallbackListener networkCallbackListener) {
		return sendRequestForNetwork(need, networkCallbackListener, 0, LISTEN, false);
		return sendRequestForNetwork(need, networkCallbackListener, 0, LISTEN, TYPE_NONE);
		}

		/**

core/java/android/net/IConnectivityManager.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -158,7 +158,7 @@ interface IConnectivityManager
		in NetworkCapabilities nc, int score);

		NetworkRequest requestNetwork(in NetworkCapabilities networkCapabilities,
		in Messenger messenger, int timeoutSec, in IBinder binder, boolean legacy);
		in Messenger messenger, int timeoutSec, in IBinder binder, int legacy);

		NetworkRequest pendingRequestForNetwork(in NetworkCapabilities networkCapabilities,
		in PendingIntent operation);

core/java/android/net/NetworkInfo.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -187,6 +187,15 @@ public class NetworkInfo implements Parcelable {
		}
		}

		/**
		* @hide
		*/
		public void setType(int type) {
		synchronized (this) {
		mNetworkType = type;
		}
		}

		/**
		* Return a network-type-specific integer describing the subtype
		* of the network.

core/java/android/net/NetworkRequest.java

+11 −11

Original line number	Diff line number	Diff line
		@@ -47,19 +47,19 @@ public class NetworkRequest implements Parcelable {
		public final int requestId;

		/**
		* Set for legacy requests and the default.
		* Set for legacy requests and the default. Set to TYPE_NONE for none.
		* Causes CONNECTIVITY_ACTION broadcasts to be sent.
		* @hide
		*/
		public final boolean needsBroadcasts;
		public final int legacyType;

		/**
		* @hide
		*/
		public NetworkRequest(NetworkCapabilities nc, boolean needsBroadcasts, int rId) {
		public NetworkRequest(NetworkCapabilities nc, int legacyType, int rId) {
		requestId = rId;
		networkCapabilities = nc;
		this.needsBroadcasts = needsBroadcasts;
		this.legacyType = legacyType;
		}

		/**
		@@ -68,7 +68,7 @@ public class NetworkRequest implements Parcelable {
		public NetworkRequest(NetworkRequest that) {
		networkCapabilities = new NetworkCapabilities(that.networkCapabilities);
		requestId = that.requestId;
		needsBroadcasts = that.needsBroadcasts;
		this.legacyType = that.legacyType;
		}

		// implement the Parcelable interface
		@@ -77,16 +77,16 @@ public class NetworkRequest implements Parcelable {
		}
		public void writeToParcel(Parcel dest, int flags) {
		dest.writeParcelable(networkCapabilities, flags);
		dest.writeInt(needsBroadcasts ? 1 : 0);
		dest.writeInt(legacyType);
		dest.writeInt(requestId);
		}
		public static final Creator<NetworkRequest> CREATOR =
		new Creator<NetworkRequest>() {
		public NetworkRequest createFromParcel(Parcel in) {
		NetworkCapabilities nc = (NetworkCapabilities)in.readParcelable(null);
		boolean needsBroadcasts = (in.readInt() == 1);
		int legacyType = in.readInt();
		int requestId = in.readInt();
		NetworkRequest result = new NetworkRequest(nc, needsBroadcasts, requestId);
		NetworkRequest result = new NetworkRequest(nc, legacyType, requestId);
		return result;
		}
		public NetworkRequest[] newArray(int size) {
		@@ -95,14 +95,14 @@ public class NetworkRequest implements Parcelable {
		};

		public String toString() {
		return "NetworkRequest [ id=" + requestId + ", needsBroadcasts=" + needsBroadcasts +
		return "NetworkRequest [ id=" + requestId + ", legacyType=" + legacyType +
		", " + networkCapabilities.toString() + " ]";
		}

		public boolean equals(Object obj) {
		if (obj instanceof NetworkRequest == false) return false;
		NetworkRequest that = (NetworkRequest)obj;
		return (that.needsBroadcasts == this.needsBroadcasts &&
		return (that.legacyType == this.legacyType &&
		that.requestId == this.requestId &&
		((that.networkCapabilities == null && this.networkCapabilities == null) \|\|
		(that.networkCapabilities != null &&
		@@ -110,7 +110,7 @@ public class NetworkRequest implements Parcelable {
		}

		public int hashCode() {
		return requestId + (needsBroadcasts ? 1013 : 2026) +
		return requestId + (legacyType * 1013) +
		(networkCapabilities.hashCode() * 1051);
		}
		}

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

+191 −97

Original line number	Diff line number	Diff line
		@@ -258,17 +258,6 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		*/
		private NetworkStateTracker mNetTrackers[];

		/**
		* Holds references to all NetworkAgentInfos claiming to support the legacy
		* NetworkType. We used to have a static set of of NetworkStateTrackers
		* for each network type. This is the new model.
		* Supports synchronous inspection of state.
		* These are built out at startup such that an unsupported network
		* doesn't get an ArrayList instance, making this a tristate:
		* unsupported, supported but not active and active.
		*/
		private ArrayList<NetworkAgentInfo> mNetworkAgentInfoForType[];

		/* Handles captive portal check on a network */
		private CaptivePortalTracker mCaptivePortalTracker;

		@@ -516,6 +505,118 @@ public class ConnectivityService extends IConnectivityManager.Stub {

		private static final int UID_UNUSED = -1;

		/**
		* Implements support for the legacy "one network per network type" model.
		*
		* We used to have a static array of NetworkStateTrackers, one for each
		* network type, but that doesn't work any more now that we can have,
		* for example, more that one wifi network. This class stores all the
		* NetworkAgentInfo objects that support a given type, but the legacy
		* API will only see the first one.
		*
		* It serves two main purposes:
		*
		* 1. Provide information about "the network for a given type" (since this
		* API only supports one).
		* 2. Send legacy connectivity change broadcasts. Broadcasts are sent if
		* the first network for a given type changes, or if the default network
		* changes.
		*/
		private class LegacyTypeTracker {
		/**
		* Array of lists, one per legacy network type (e.g., TYPE_MOBILE_MMS).
		* Each list holds references to all NetworkAgentInfos that are used to
		* satisfy requests for that network type.
		*
		* This array is built out at startup such that an unsupported network
		* doesn't get an ArrayList instance, making this a tristate:
		* unsupported, supported but not active and active.
		*
		* The actual lists are populated when we scan the network types that
		* are supported on this device.
		*/
		private ArrayList<NetworkAgentInfo> mTypeLists[];

		public LegacyTypeTracker() {
		mTypeLists = (ArrayList<NetworkAgentInfo>[])
		new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE + 1];
		}

		public void addSupportedType(int type) {
		if (mTypeLists[type] != null) {
		throw new IllegalStateException(
		"legacy list for type " + type + "already initialized");
		}
		mTypeLists[type] = new ArrayList<NetworkAgentInfo>();
		}

		private boolean isDefaultNetwork(NetworkAgentInfo nai) {
		return mNetworkForRequestId.get(mDefaultRequest.requestId) == nai;
		}

		public boolean isTypeSupported(int type) {
		return isNetworkTypeValid(type) && mTypeLists[type] != null;
		}

		public NetworkAgentInfo getNetworkForType(int type) {
		if (isTypeSupported(type) && !mTypeLists[type].isEmpty()) {
		return mTypeLists[type].get(0);
		} else {
		return null;
		}
		}

		public void add(int type, NetworkAgentInfo nai) {
		if (!isTypeSupported(type)) {
		return; // Invalid network type.
		}
		if (VDBG) log("Adding agent " + nai + " for legacy network type " + type);

		ArrayList<NetworkAgentInfo> list = mTypeLists[type];
		if (list.contains(nai)) {
		loge("Attempting to register duplicate agent for type " + type + ": " + nai);
		return;
		}

		if (list.isEmpty() \|\| isDefaultNetwork(nai)) {
		if (VDBG) log("Sending connected broadcast for type " + type +
		"isDefaultNetwork=" + isDefaultNetwork(nai));
		sendLegacyNetworkBroadcast(nai, true, type);
		}
		list.add(nai);
		}

		public void remove(NetworkAgentInfo nai) {
		if (VDBG) log("Removing agent " + nai);
		for (int type = 0; type < mTypeLists.length; type++) {
		ArrayList<NetworkAgentInfo> list = mTypeLists[type];
		if (list == null \|\| list.isEmpty()) {
		continue;
		}

		boolean wasFirstNetwork = false;
		if (list.get(0).equals(nai)) {
		// This network was the first in the list. Send broadcast.
		wasFirstNetwork = true;
		}
		list.remove(nai);

		if (wasFirstNetwork \|\| isDefaultNetwork(nai)) {
		if (VDBG) log("Sending disconnected broadcast for type " + type +
		"isDefaultNetwork=" + isDefaultNetwork(nai));
		sendLegacyNetworkBroadcast(nai, false, type);
		}

		if (!list.isEmpty() && wasFirstNetwork) {
		if (VDBG) log("Other network available for type " + type +
		", sending connected broadcast");
		sendLegacyNetworkBroadcast(list.get(0), false, type);
		}
		}
		}
		}
		private LegacyTypeTracker mLegacyTypeTracker = new LegacyTypeTracker();

		public ConnectivityService(Context context, INetworkManagementService netd,
		INetworkStatsService statsService, INetworkPolicyManager policyManager) {
		// Currently, omitting a NetworkFactory will create one internally
		@@ -531,7 +632,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		NetworkCapabilities netCap = new NetworkCapabilities();
		netCap.addNetworkCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
		netCap.addNetworkCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);
		mDefaultRequest = new NetworkRequest(netCap, true, nextNetworkRequestId());
		mDefaultRequest = new NetworkRequest(netCap, TYPE_NONE, nextNetworkRequestId());
		NetworkRequestInfo nri = new NetworkRequestInfo(null, mDefaultRequest, new Binder(),
		NetworkRequestInfo.REQUEST);
		mNetworkRequests.put(mDefaultRequest, nri);
		@@ -587,9 +688,6 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		mNetTransitionWakeLockTimeout = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_networkTransitionTimeout);

		mNetworkAgentInfoForType = (ArrayList<NetworkAgentInfo>[])
		new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE + 1];

		mNetTrackers = new NetworkStateTracker[
		ConnectivityManager.MAX_NETWORK_TYPE+1];
		mCurrentLinkProperties = new LinkProperties[ConnectivityManager.MAX_NETWORK_TYPE+1];
		@@ -644,7 +742,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		"radio " + n.radio + " in network type " + n.type);
		continue;
		}
		mNetworkAgentInfoForType[n.type] = new ArrayList<NetworkAgentInfo>();
		mLegacyTypeTracker.addSupportedType(n.type);

		mNetConfigs[n.type] = n;
		mNetworksDefined++;
		@@ -3125,11 +3223,9 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		} else {
		loge("Error connecting NetworkAgent");
		NetworkAgentInfo nai = mNetworkAgentInfos.remove(msg.replyTo);
		try {
		mNetworkAgentInfoForType[nai.networkInfo.getType()].remove(nai);
		} catch (NullPointerException e) {}
		if (nai != null) {
		mNetworkForNetId.remove(nai.network.netId);
		mLegacyTypeTracker.remove(nai);
		}
		}
		}
		@@ -3160,10 +3256,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		nai.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_DISCONNECTED);
		mNetworkAgentInfos.remove(msg.replyTo);
		updateClat(null, nai.linkProperties, nai);
		try {
		mNetworkAgentInfoForType[nai.networkInfo.getType()].remove(nai);
		} catch (NullPointerException e) {}

		mLegacyTypeTracker.remove(nai);
		mNetworkForNetId.remove(nai.network.netId);
		// Since we've lost the network, go through all the requests that
		// it was satisfying and see if any other factory can satisfy them.
		@@ -3173,7 +3266,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		NetworkAgentInfo currentNetwork = mNetworkForRequestId.get(request.requestId);
		if (VDBG) {
		log(" checking request " + request + ", currentNetwork = " +
		currentNetwork != null ? currentNetwork.name() : "null");
		(currentNetwork != null ? currentNetwork.name() : "null"));
		}
		if (currentNetwork != null && currentNetwork.network.netId == nai.network.netId) {
		mNetworkForRequestId.remove(request.requestId);
		@@ -3223,6 +3316,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		if (bestNetwork != null) {
		if (VDBG) log("using " + bestNetwork.name());
		bestNetwork.addRequest(nri.request);
		int legacyType = nri.request.legacyType;
		if (legacyType != TYPE_NONE) {
		mLegacyTypeTracker.add(legacyType, bestNetwork);
		}
		notifyNetworkCallback(bestNetwork, nri);
		score = bestNetwork.currentScore;
		}
		@@ -5300,7 +5397,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {

		@Override
		public NetworkRequest requestNetwork(NetworkCapabilities networkCapabilities,
		Messenger messenger, int timeoutSec, IBinder binder, boolean legacy) {
		Messenger messenger, int timeoutSec, IBinder binder, int legacyType) {
		if (networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED)
		== false) {
		enforceConnectivityInternalPermission();
		@@ -5312,7 +5409,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		throw new IllegalArgumentException("Bad timeout specified");
		}
		NetworkRequest networkRequest = new NetworkRequest(new NetworkCapabilities(
		networkCapabilities), legacy, nextNetworkRequestId());
		networkCapabilities), legacyType, nextNetworkRequestId());
		if (DBG) log("requestNetwork for " + networkRequest);
		NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder,
		NetworkRequestInfo.REQUEST);
		@@ -5338,7 +5435,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		enforceAccessPermission();

		NetworkRequest networkRequest = new NetworkRequest(new NetworkCapabilities(
		networkCapabilities), false, nextNetworkRequestId());
		networkCapabilities), TYPE_NONE, nextNetworkRequestId());
		if (DBG) log("listenForNetwork for " + networkRequest);
		NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder,
		NetworkRequestInfo.LISTEN);
		@@ -5420,11 +5517,6 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		private void handleRegisterNetworkAgent(NetworkAgentInfo na) {
		if (VDBG) log("Got NetworkAgent Messenger");
		mNetworkAgentInfos.put(na.messenger, na);
		try {
		mNetworkAgentInfoForType[na.networkInfo.getType()].add(na);
		} catch (NullPointerException e) {
		loge("registered NetworkAgent for unsupported type: " + na);
		}
		mNetworkForNetId.put(na.network.netId, na);
		na.asyncChannel.connect(mContext, mTrackerHandler, na.messenger);
		NetworkInfo networkInfo = na.networkInfo;
		@@ -5681,6 +5773,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		mNetworkForRequestId.put(nri.request.requestId, newNetwork);
		newNetwork.addRequest(nri.request);
		int legacyType = nri.request.legacyType;
		if (legacyType != TYPE_NONE) {
		mLegacyTypeTracker.add(legacyType, newNetwork);
		}
		keep = true;
		// TODO - this could get expensive if we have alot of requests for this
		// network. Think about if there is a way to reduce this. Push
		@@ -5694,6 +5790,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		} else {
		setDefaultDnsSystemProperties(new ArrayList<InetAddress>());
		}
		mLegacyTypeTracker.add(newNetwork.networkInfo.getType(), newNetwork);
		}
		}
		}
		@@ -5828,33 +5925,23 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		// } else if (nai.networkMonitor.isEvaluating()) {
		// notifyType = NetworkCallbacks.callCallbackForRequest(request, nai, notifyType);
		// }
		if (nri.request.needsBroadcasts) {
		// TODO
		// sendNetworkBroadcast(nai, notifyType);
		}
		callCallbackForRequest(nri, nai, notifyType);
		}

		protected void notifyNetworkCallbacks(NetworkAgentInfo networkAgent, int notifyType) {
		if (VDBG) log("notifyType " + notifyType + " for " + networkAgent.name());
		for (int i = 0; i < networkAgent.networkRequests.size(); i++) {
		NetworkRequest nr = networkAgent.networkRequests.valueAt(i);
		NetworkRequestInfo nri = mNetworkRequests.get(nr);
		if (VDBG) log(" sending notification for " + nr);
		callCallbackForRequest(nri, networkAgent, notifyType);
		}
		if (networkAgent.needsBroadcasts) {
		if (notifyType == ConnectivityManager.CALLBACK_AVAILABLE) {
		sendConnectedBroadcastDelayed(networkAgent.networkInfo,
		getConnectivityChangeDelay());
		} else if (notifyType == ConnectivityManager.CALLBACK_LOST) {
		NetworkInfo info = new NetworkInfo(networkAgent.networkInfo);
		private void sendLegacyNetworkBroadcast(NetworkAgentInfo nai, boolean connected, int type) {
		if (connected) {
		NetworkInfo info = new NetworkInfo(nai.networkInfo);
		info.setType(type);
		sendConnectedBroadcastDelayed(info, getConnectivityChangeDelay());
		} else {
		NetworkInfo info = new NetworkInfo(nai.networkInfo);
		info.setType(type);
		Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
		intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
		intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType());
		if (info.isFailover()) {
		intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true);
		networkAgent.networkInfo.setFailover(false);
		nai.networkInfo.setFailover(false);
		}
		if (info.getReason() != null) {
		intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason());
		@@ -5863,7 +5950,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, info.getExtraInfo());
		}
		NetworkAgentInfo newDefaultAgent = null;
		if (networkAgent.networkRequests.get(mDefaultRequest.requestId) != null) {
		if (nai.networkRequests.get(mDefaultRequest.requestId) != null) {
		newDefaultAgent = mNetworkForRequestId.get(mDefaultRequest.requestId);
		if (newDefaultAgent != null) {
		intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO,
		@@ -5884,35 +5971,42 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		}
		}

		protected void notifyNetworkCallbacks(NetworkAgentInfo networkAgent, int notifyType) {
		if (VDBG) log("notifyType " + notifyType + " for " + networkAgent.name());
		for (int i = 0; i < networkAgent.networkRequests.size(); i++) {
		NetworkRequest nr = networkAgent.networkRequests.valueAt(i);
		NetworkRequestInfo nri = mNetworkRequests.get(nr);
		if (VDBG) log(" sending notification for " + nr);
		callCallbackForRequest(nri, networkAgent, notifyType);
		}
		}

		private LinkProperties getLinkPropertiesForTypeInternal(int networkType) {
		ArrayList<NetworkAgentInfo> list = mNetworkAgentInfoForType[networkType];
		if (list == null) return null;
		try {
		return new LinkProperties(list.get(0).linkProperties);
		} catch (IndexOutOfBoundsException e) {
		return new LinkProperties();
		}
		NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
		return (nai != null) ?
		new LinkProperties(nai.linkProperties) :
		new LinkProperties();
		}

		private NetworkInfo getNetworkInfoForType(int networkType) {
		ArrayList<NetworkAgentInfo> list = mNetworkAgentInfoForType[networkType];
		if (list == null) return null;
		try {
		return new NetworkInfo(list.get(0).networkInfo);
		} catch (IndexOutOfBoundsException e) {
		if (!mLegacyTypeTracker.isTypeSupported(networkType))
		return null;

		NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
		if (nai != null) {
		NetworkInfo result = new NetworkInfo(nai.networkInfo);
		result.setType(networkType);
		return result;
		} else {
		return new NetworkInfo(networkType, 0, "Unknown", "");
		}
		}

		private NetworkCapabilities getNetworkCapabilitiesForType(int networkType) {
		ArrayList<NetworkAgentInfo> list = mNetworkAgentInfoForType[networkType];
		if (list == null) return null;
		try {
		return new NetworkCapabilities(list.get(0).networkCapabilities);
		} catch (IndexOutOfBoundsException e) {
		return new NetworkCapabilities();
		}
		NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
		return (nai != null) ?
		new NetworkCapabilities(nai.networkCapabilities) :
		new NetworkCapabilities();
		}
		}