Add methods to send connected/disconnected state. (d0eb17eb) · Commits · e / os / android_frameworks_base

api/system-current.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -4623,6 +4623,10 @@ package android.net {
		method public void sendNetworkCapabilities(@NonNull android.net.NetworkCapabilities);
		method public void sendNetworkScore(int);
		method public void sendSocketKeepaliveEvent(int, int);
		method public void setConnected();
		method @Deprecated public void setLegacyExtraInfo(@Nullable String);
		method @Deprecated public void setLegacySubtype(int, @NonNull String);
		method public void unregister();
		field public static final int VALIDATION_STATUS_NOT_VALID = 2; // 0x2
		field public static final int VALIDATION_STATUS_VALID = 1; // 0x1
		field @NonNull public final android.net.Network network;

core/java/android/net/NetworkAgent.java

+91 −3

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ import com.android.internal.util.AsyncChannel;
		import com.android.internal.util.Protocol;

		import java.util.ArrayList;
		import java.util.Objects;
		import java.util.concurrent.atomic.AtomicBoolean;

		/**
		@@ -53,6 +54,12 @@ public abstract class NetworkAgent {
		@NonNull
		public final Network network;

		// Whether this NetworkAgent is using the legacy (never unhidden) API. The difference is
		// that the legacy API uses NetworkInfo to convey the state, while the current API is
		// exposing methods to manage it and generate it internally instead.
		// TODO : remove this as soon as all agents have been converted.
		private final boolean mIsLegacy;

		private final Handler mHandler;
		private volatile AsyncChannel mAsyncChannel;
		private final String LOG_TAG;
		@@ -64,6 +71,10 @@ public abstract class NetworkAgent {
		private static final long BW_REFRESH_MIN_WIN_MS = 500;
		private boolean mBandwidthUpdateScheduled = false;
		private AtomicBoolean mBandwidthUpdatePending = new AtomicBoolean(false);
		// Not used by legacy agents. Non-legacy agents use this to convert the NetworkAgent system API
		// into the internal API of ConnectivityService.
		@NonNull
		private NetworkInfo mNetworkInfo;

		/**
		* The ID of the {@link NetworkProvider} that created this object, or
		@@ -284,7 +295,7 @@ public abstract class NetworkAgent {
		public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni,
		NetworkCapabilities nc, LinkProperties lp, int score, NetworkAgentConfig config,
		int providerId) {
		this(looper, context, logTag, nc, lp, score, config, providerId, ni);
		this(looper, context, logTag, nc, lp, score, config, providerId, ni, true /* legacy */);
		}

		private static NetworkInfo getLegacyNetworkInfo(final NetworkAgentConfig config) {
		@@ -310,15 +321,17 @@ public abstract class NetworkAgent {
		@NonNull NetworkAgentConfig config, @Nullable NetworkProvider provider) {
		this(looper, context, logTag, nc, lp, score, config,
		provider == null ? NetworkProvider.ID_NONE : provider.getProviderId(),
		getLegacyNetworkInfo(config));
		getLegacyNetworkInfo(config), false /* legacy */);
		}

		private NetworkAgent(Looper looper, Context context, String logTag, NetworkCapabilities nc,
		LinkProperties lp, int score, NetworkAgentConfig config, int providerId,
		NetworkInfo ni) {
		NetworkInfo ni, boolean legacy) {
		mHandler = new NetworkAgentHandler(looper);
		LOG_TAG = logTag;
		mContext = context;
		mIsLegacy = legacy;
		mNetworkInfo = new NetworkInfo(ni);
		this.providerId = providerId;
		if (ni == null \|\| nc == null \|\| lp == null) {
		throw new IllegalArgumentException();
		@@ -483,15 +496,89 @@ public abstract class NetworkAgent {
		* @param linkProperties the new LinkProperties.
		*/
		public void sendLinkProperties(@NonNull LinkProperties linkProperties) {
		Objects.requireNonNull(linkProperties);
		queueOrSendMessage(EVENT_NETWORK_PROPERTIES_CHANGED, new LinkProperties(linkProperties));
		}

		/**
		* Inform ConnectivityService that this agent has now connected.
		*/
		public void setConnected() {
		if (mIsLegacy) {
		throw new UnsupportedOperationException(
		"Legacy agents can't call setConnected.");
		}
		mNetworkInfo.setDetailedState(NetworkInfo.DetailedState.CONNECTED, null, null);
		queueOrSendMessage(EVENT_NETWORK_INFO_CHANGED, mNetworkInfo);
		}

		/**
		* Unregister this network agent.
		*
		* This signals the network has disconnected and ends its lifecycle. After this is called,
		* the network is torn down and this agent can no longer be used.
		*/
		public void unregister() {
		if (mIsLegacy) {
		throw new UnsupportedOperationException(
		"Legacy agents can't call unregister.");
		}
		mNetworkInfo.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, null, null);
		queueOrSendMessage(EVENT_NETWORK_INFO_CHANGED, mNetworkInfo);
		}

		/**
		* Change the legacy subtype of this network agent.
		*
		* This is only for backward compatibility and should not be used by non-legacy network agents,
		* or agents that did not use to set a subtype. As such, only TYPE_MOBILE type agents can use
		* this and others will be thrown an exception if they try.
		*
		* @deprecated this is for backward compatibility only.
		* @param legacySubtype the legacy subtype.
		*/
		@Deprecated
		public void setLegacySubtype(final int legacySubtype, @NonNull final String legacySubtypeName) {
		if (mIsLegacy) {
		throw new UnsupportedOperationException("Legacy agents can't call setLegacySubtype.");
		}
		mNetworkInfo.setSubtype(legacySubtype, legacySubtypeName);
		queueOrSendMessage(EVENT_NETWORK_INFO_CHANGED, mNetworkInfo);
		}

		/**
		* Set the ExtraInfo of this network agent.
		*
		* This sets the ExtraInfo field inside the NetworkInfo returned by legacy public API and the
		* broadcasts about the corresponding Network.
		* This is only for backward compatibility and should not be used by non-legacy network agents,
		* who will be thrown an exception if they try. The extra info should only be :
		* <ul>
		* <li>For cellular agents, the APN name.</li>
		* <li>For ethernet agents, the interface name.</li>
		* </ul>
		*
		* @deprecated this is for backward compatibility only.
		* @param extraInfo the ExtraInfo.
		*/
		@Deprecated
		public void setLegacyExtraInfo(@Nullable final String extraInfo) {
		if (mIsLegacy) {
		throw new UnsupportedOperationException("Legacy agents can't call setLegacyExtraInfo.");
		}
		mNetworkInfo.setExtraInfo(extraInfo);
		queueOrSendMessage(EVENT_NETWORK_INFO_CHANGED, mNetworkInfo);
		}

		/**
		* Must be called by the agent when it has a new NetworkInfo object.
		* @hide TODO: expose something better.
		*/
		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
		public void sendNetworkInfo(NetworkInfo networkInfo) {
		if (!mIsLegacy) {
		throw new UnsupportedOperationException("Only legacy agents can call sendNetworkInfo.");
		}
		queueOrSendMessage(EVENT_NETWORK_INFO_CHANGED, new NetworkInfo(networkInfo));
		}

		@@ -500,6 +587,7 @@ public abstract class NetworkAgent {
		* @param networkCapabilities the new NetworkCapabilities.
		*/
		public void sendNetworkCapabilities(@NonNull NetworkCapabilities networkCapabilities) {
		Objects.requireNonNull(networkCapabilities);
		mBandwidthUpdatePending.set(false);
		mLastBwRefreshTime = System.currentTimeMillis();
		queueOrSendMessage(EVENT_NETWORK_CAPABILITIES_CHANGED,