LCE service implementation - connectivity side (b15e72b8) · Commits · e / os / android_frameworks_base

core/java/android/net/ConnectivityManager.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -2451,6 +2451,23 @@ public class ConnectivityManager {
		sendRequestForNetwork(request.networkCapabilities, networkCallback, 0, LISTEN, TYPE_NONE);
		}

		/**
		* Request connectivityservice to refresh network capabilities for the given
		* {@link network}. This method returns true if the network is still active, false
		* otherwise. Notice the method call assumes the caller has registered for
		* listening NetworkCapabilities updates.
		*
		* @param network{@link Network} specifying which network you're interested.
		* @hide
		*/
		public boolean requestBwUpdate(Network network) {
		try {
		return mService.requestBwUpdate(network);
		} catch (RemoteException e) {
		return false;
		}
		}

		/**
		* Unregisters callbacks about and possibly releases networks originating from
		* {@link #requestNetwork} and {@link #registerNetworkCallback} calls. If the

core/java/android/net/IConnectivityManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -134,6 +134,8 @@ interface IConnectivityManager

		void registerNetworkFactory(in Messenger messenger, in String name);

		boolean requestBwUpdate(in Network network);

		void unregisterNetworkFactory(in Messenger messenger);

		int registerNetworkAgent(in Messenger messenger, in NetworkInfo ni, in LinkProperties lp,

core/java/android/net/NetworkAgent.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,8 @@ public abstract class NetworkAgent extends Handler {
		private static final boolean VDBG = false;
		private final Context mContext;
		private final ArrayList<Message>mPreConnectedQueue = new ArrayList<Message>();
		private volatile long mLastBwRefreshTime = 0;
		private static final long BW_REFRESH_MIN_WIN_MS = 500;

		private static final int BASE = Protocol.BASE_NETWORK_AGENT;

		@@ -138,6 +140,11 @@ public abstract class NetworkAgent extends Handler {
		*/
		public static final int CMD_SAVE_ACCEPT_UNVALIDATED = BASE + 9;

		/** Sent by ConnectivityService to the NetworkAgent to inform the agent to pull
		* the underlying network connection for updated bandwidth information.
		*/
		public static final int CMD_REQUEST_BANDWIDTH_UPDATE = BASE + 10;

		public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni,
		NetworkCapabilities nc, LinkProperties lp, int score) {
		this(looper, context, logTag, ni, nc, lp, score, null);
		@@ -199,6 +206,15 @@ public abstract class NetworkAgent extends Handler {
		log("Unhandled Message " + msg);
		break;
		}
		case CMD_REQUEST_BANDWIDTH_UPDATE: {
		if (VDBG) {
		log("CMD_REQUEST_BANDWIDTH_UPDATE request received.");
		}
		if (System.currentTimeMillis() > (mLastBwRefreshTime + BW_REFRESH_MIN_WIN_MS)) {
		pollLceData();
		}
		break;
		}
		case CMD_REPORT_NETWORK_STATUS: {
		if (VDBG) {
		log("CMD_REPORT_NETWORK_STATUS(" +
		@@ -244,6 +260,7 @@ public abstract class NetworkAgent extends Handler {
		* Called by the bearer code when it has new NetworkCapabilities data.
		*/
		public void sendNetworkCapabilities(NetworkCapabilities networkCapabilities) {
		mLastBwRefreshTime = System.currentTimeMillis();
		queueOrSendMessage(EVENT_NETWORK_CAPABILITIES_CHANGED,
		new NetworkCapabilities(networkCapabilities));
		}
		@@ -297,6 +314,13 @@ public abstract class NetworkAgent extends Handler {
		*/
		abstract protected void unwanted();

		/**
		* Called when ConnectivityService request a bandwidth update. The parent factory
		* shall try to overwrite this method and produce a bandwidth update if capable.
		*/
		protected void pollLceData() {
		}

		/**
		* Called when the system determines the usefulness of this network.
		*

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

+18 −0

Original line number	Diff line number	Diff line
		@@ -3455,6 +3455,24 @@ public class ConnectivityService extends IConnectivityManager.Stub
		}
		}

		@Override
		public boolean requestBwUpdate(Network network) {
		enforceAccessPermission();
		NetworkAgentInfo nai = null;
		if (network == null) {
		return false;
		}
		synchronized (mNetworkForNetId) {
		nai = mNetworkForNetId.get(network.netId);
		}
		if (nai != null) {
		nai.asyncChannel.sendMessage(android.net.NetworkAgent.CMD_REQUEST_BANDWIDTH_UPDATE);
		return true;
		}
		return false;
		}


		private void enforceMeteredApnPolicy(NetworkCapabilities networkCapabilities) {
		// if UID is restricted, don't allow them to bring up metered APNs
		if (networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED)

telephony/java/com/android/internal/telephony/RILConstants.java

+10 −3

Original line number	Diff line number	Diff line
		@@ -69,9 +69,6 @@ public interface RILConstants {
		int SS_MODIFIED_TO_USSD = 25; /* SS request modified to USSD */
		int SUBSCRIPTION_NOT_SUPPORTED = 26; /* Subscription not supported */
		int SS_MODIFIED_TO_SS = 27; /* SS request modified to different SS request */

		int SIM_NOT_READY = 28;

		int SIM_ALREADY_POWERED_OFF = 29; /* SAP: 0x03, Error card aleready powered off */
		int SIM_ALREADY_POWERED_ON = 30; /* SAP: 0x05, Error card already powered on */
		int SIM_DATA_NOT_AVAILABLE = 31; /* SAP: 0x06, Error data not available */
		@@ -79,6 +76,7 @@ public interface RILConstants {
		int SIM_SAP_MSG_SIZE_TOO_LARGE = 33;
		int SIM_SAP_MSG_SIZE_TOO_SMALL = 34;
		int SIM_SAP_CONNECT_OK_CALL_ONGOING = 35;
		int LCE_NOT_SUPPORTED = 36; /* Link Capacity Estimation (LCE) not supported */


		/* NETWORK_MODE_* See ril.h RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE */
		@@ -145,6 +143,11 @@ public interface RILConstants {
		int NV_CONFIG_ERASE_RESET = 2;
		int NV_CONFIG_FACTORY_RESET = 3;

		/* LCE service related constants. */
		int LCE_NOT_AVAILABLE = -1;
		int LCE_STOPPED = 0;
		int LCE_ACTIVE = 1;

		/*
		cat include/telephony/ril.h \| \
		egrep '^#define' \| \
		@@ -317,6 +320,9 @@ cat include/telephony/ril.h \| \
		int RIL_REQUEST_SHUTDOWN = 129;
		int RIL_REQUEST_GET_RADIO_CAPABILITY = 130;
		int RIL_REQUEST_SET_RADIO_CAPABILITY = 131;
		int RIL_REQUEST_START_LCE = 132;
		int RIL_REQUEST_STOP_LCE = 133;
		int RIL_REQUEST_PULL_LCEDATA = 134;

		int RIL_UNSOL_RESPONSE_BASE = 1000;
		int RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED = 1000;
		@@ -364,4 +370,5 @@ cat include/telephony/ril.h \| \
		int RIL_UNSOL_RADIO_CAPABILITY = 1042;
		int RIL_UNSOL_ON_SS = 1043;
		int RIL_UNSOL_STK_CC_ALPHA_NOTIFY = 1044;
		int RIL_UNSOL_LCEDATA_RECV = 1045;
		}