Handle legacy synchronous inspectors (12e6735f) · Commits · e / os / android_frameworks_base

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

+120 −41

Original line number	Diff line number	Diff line
		@@ -25,6 +25,15 @@ import static android.net.ConnectivityManager.TYPE_BLUETOOTH;
		import static android.net.ConnectivityManager.TYPE_DUMMY;
		import static android.net.ConnectivityManager.TYPE_ETHERNET;
		import static android.net.ConnectivityManager.TYPE_MOBILE;
		import static android.net.ConnectivityManager.TYPE_MOBILE_MMS;
		import static android.net.ConnectivityManager.TYPE_MOBILE_SUPL;
		import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
		import static android.net.ConnectivityManager.TYPE_MOBILE_FOTA;
		import static android.net.ConnectivityManager.TYPE_MOBILE_IMS;
		import static android.net.ConnectivityManager.TYPE_MOBILE_CBS;
		import static android.net.ConnectivityManager.TYPE_MOBILE_IA;
		import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
		import static android.net.ConnectivityManager.TYPE_NONE;
		import static android.net.ConnectivityManager.TYPE_WIFI;
		import static android.net.ConnectivityManager.TYPE_WIMAX;
		import static android.net.ConnectivityManager.TYPE_PROXY;
		@@ -248,6 +257,17 @@ 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;

		@@ -531,6 +551,9 @@ 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];
		@@ -585,6 +608,8 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		"radio " + n.radio + " in network type " + n.type);
		continue;
		}
		mNetworkAgentInfoForType[n.type] = new ArrayList<NetworkAgentInfo>();

		mNetConfigs[n.type] = n;
		mNetworksDefined++;
		} catch(Exception e) {
		@@ -871,11 +896,12 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		* Check if UID should be blocked from using the network represented by the
		* given {@link NetworkStateTracker}.
		*/
		private boolean isNetworkBlocked(NetworkStateTracker tracker, int uid) {
		final String iface = tracker.getLinkProperties().getInterfaceName();

		private boolean isNetworkBlocked(int networkType, int uid) {
		final boolean networkCostly;
		final int uidRules;

		LinkProperties lp = getLinkPropertiesForType(networkType);
		final String iface = (lp == null ? "" : lp.getInterfaceName());
		synchronized (mRulesLock) {
		networkCostly = mMeteredIfaces.contains(iface);
		uidRules = mUidRules.get(uid, RULE_ALLOW_ALL);
		@@ -892,11 +918,11 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		/**
		* Return a filtered {@link NetworkInfo}, potentially marked
		* {@link DetailedState#BLOCKED} based on
		* {@link #isNetworkBlocked(NetworkStateTracker, int)}.
		* {@link #isNetworkBlocked}.
		*/
		private NetworkInfo getFilteredNetworkInfo(NetworkStateTracker tracker, int uid) {
		NetworkInfo info = tracker.getNetworkInfo();
		if (isNetworkBlocked(tracker, uid)) {
		private NetworkInfo getFilteredNetworkInfo(int networkType, int uid) {
		NetworkInfo info = getNetworkInfoForType(networkType);
		if (isNetworkBlocked(networkType, uid)) {
		// network is blocked; clone and override state
		info = new NetworkInfo(info);
		info.setDetailedState(DetailedState.BLOCKED, null, null);
		@@ -921,6 +947,15 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		return getNetworkInfo(mActiveDefaultNetwork, uid);
		}

		// only called when the default request is satisfied
		private void updateActiveDefaultNetwork(NetworkAgentInfo nai) {
		if (nai != null) {
		mActiveDefaultNetwork = nai.networkInfo.getType();
		} else {
		mActiveDefaultNetwork = TYPE_NONE;
		}
		}

		/**
		* Find the first Provisioning network.
		*
		@@ -963,10 +998,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		public NetworkInfo getActiveNetworkInfoUnfiltered() {
		enforceAccessPermission();
		if (isNetworkTypeValid(mActiveDefaultNetwork)) {
		final NetworkStateTracker tracker = mNetTrackers[mActiveDefaultNetwork];
		if (tracker != null) {
		return tracker.getNetworkInfo();
		}
		return getNetworkInfoForType(mActiveDefaultNetwork);
		}
		return null;
		}
		@@ -987,9 +1019,8 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		private NetworkInfo getNetworkInfo(int networkType, int uid) {
		NetworkInfo info = null;
		if (isNetworkTypeValid(networkType)) {
		final NetworkStateTracker tracker = mNetTrackers[networkType];
		if (tracker != null) {
		info = getFilteredNetworkInfo(tracker, uid);
		if (getNetworkInfoForType(networkType) != null) {
		info = getFilteredNetworkInfo(networkType, uid);
		}
		}
		return info;
		@@ -1001,9 +1032,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		final int uid = Binder.getCallingUid();
		final ArrayList<NetworkInfo> result = Lists.newArrayList();
		synchronized (mRulesLock) {
		for (NetworkStateTracker tracker : mNetTrackers) {
		if (tracker != null) {
		result.add(getFilteredNetworkInfo(tracker, uid));
		for (int networkType = 0; networkType <= ConnectivityManager.MAX_NETWORK_TYPE;
		networkType++) {
		if (getNetworkInfoForType(networkType) != null) {
		result.add(getFilteredNetworkInfo(networkType, uid));
		}
		}
		}
		@@ -1013,7 +1045,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		@Override
		public boolean isNetworkSupported(int networkType) {
		enforceAccessPermission();
		return (isNetworkTypeValid(networkType) && (mNetTrackers[networkType] != null));
		return (isNetworkTypeValid(networkType) && (getNetworkInfoForType(networkType) != null));
		}

		/**
		@@ -1033,25 +1065,25 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		public LinkProperties getLinkProperties(int networkType) {
		enforceAccessPermission();
		if (isNetworkTypeValid(networkType)) {
		final NetworkStateTracker tracker = mNetTrackers[networkType];
		if (tracker != null) {
		return tracker.getLinkProperties();
		}
		return getLinkPropertiesForType(networkType);
		}
		return null;
		}

		// TODO - this should be ALL networks
		@Override
		public NetworkState[] getAllNetworkState() {
		enforceAccessPermission();
		final int uid = Binder.getCallingUid();
		final ArrayList<NetworkState> result = Lists.newArrayList();
		synchronized (mRulesLock) {
		for (NetworkStateTracker tracker : mNetTrackers) {
		if (tracker != null) {
		final NetworkInfo info = getFilteredNetworkInfo(tracker, uid);
		result.add(new NetworkState(
		info, tracker.getLinkProperties(), tracker.getNetworkCapabilities()));
		for (int networkType = 0; networkType <= ConnectivityManager.MAX_NETWORK_TYPE;
		networkType++) {
		if (getNetworkInfoForType(networkType) != null) {
		final NetworkInfo info = getFilteredNetworkInfo(networkType, uid);
		final LinkProperties lp = getLinkPropertiesForType(networkType);
		final NetworkCapabilities netcap = getNetworkCapabilitiesForType(networkType);
		result.add(new NetworkState(info, lp, netcap));
		}
		}
		}
		@@ -1060,10 +1092,11 @@ public class ConnectivityService extends IConnectivityManager.Stub {

		private NetworkState getNetworkStateUnchecked(int networkType) {
		if (isNetworkTypeValid(networkType)) {
		final NetworkStateTracker tracker = mNetTrackers[networkType];
		if (tracker != null) {
		return new NetworkState(tracker.getNetworkInfo(), tracker.getLinkProperties(),
		tracker.getNetworkCapabilities());
		NetworkInfo info = getNetworkInfoForType(networkType);
		if (info != null) {
		return new NetworkState(info,
		getLinkPropertiesForType(networkType),
		getNetworkCapabilitiesForType(networkType));
		}
		}
		return null;
		@@ -2308,7 +2341,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		public void captivePortalCheckCompleted(NetworkInfo info, boolean isCaptivePortal) {
		enforceConnectivityInternalPermission();
		if (DBG) log("captivePortalCheckCompleted: ni=" + info + " captive=" + isCaptivePortal);
		mNetTrackers[info.getType()].captivePortalCheckCompleted(isCaptivePortal);
		// mNetTrackers[info.getType()].captivePortalCheckCompleted(isCaptivePortal);
		}

		/**
		@@ -3035,7 +3068,10 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);
		} else {
		loge("Error connecting NetworkAgent");
		mNetworkAgentInfos.remove(msg.replyTo);
		NetworkAgentInfo nai = mNetworkAgentInfos.remove(msg.replyTo);
		try {
		mNetworkAgentInfoForType[nai.networkInfo.getType()].remove(nai);
		} catch (NullPointerException e) {}
		}
		}
		}
		@@ -3055,6 +3091,10 @@ 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) {}

		// Since we've lost the network, go through all the requests that
		// it was satisfying and see if any other factory can satisfy them.
		final ArrayList<NetworkAgentInfo> toActivate = new ArrayList<NetworkAgentInfo>();
		@@ -3082,6 +3122,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		if (nai.networkRequests.get(mDefaultRequest.requestId) != null) {
		removeDataActivityTracking(nai);
		mActiveDefaultNetwork = ConnectivityManager.TYPE_NONE;
		}
		for (NetworkAgentInfo networkToActivate : toActivate) {
		networkToActivate.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED);
		@@ -3396,7 +3437,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		// if (DBG) log("no change in condition - aborting");
		// return;
		//}
		NetworkInfo networkInfo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo();
		NetworkInfo networkInfo = getNetworkInfoForType(mActiveDefaultNetwork);
		if (networkInfo.isConnected() == false) {
		if (DBG) log("handleInetConditionHoldEnd: default network not connected - ignoring");
		return;
		@@ -4652,11 +4693,11 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		// otherwise launch browser with the intent directly.
		if (mIsProvisioningNetwork.get()) {
		if (DBG) log("handleMobileProvisioningAction: on prov network enable then launch");
		mIsStartingProvisioning.set(true);
		MobileDataStateTracker mdst = (MobileDataStateTracker)
		mNetTrackers[ConnectivityManager.TYPE_MOBILE];
		mdst.setEnableFailFastMobileData(DctConstants.ENABLED);
		mdst.enableMobileProvisioning(url);
		// mIsStartingProvisioning.set(true);
		// MobileDataStateTracker mdst = (MobileDataStateTracker)
		// mNetTrackers[ConnectivityManager.TYPE_MOBILE];
		// mdst.setEnableFailFastMobileData(DctConstants.ENABLED);
		// mdst.enableMobileProvisioning(url);
		} else {
		if (DBG) log("handleMobileProvisioningAction: not prov network");
		// Check for apps that can handle provisioning first
		@@ -4952,7 +4993,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		@Override
		public LinkQualityInfo getLinkQualityInfo(int networkType) {
		enforceAccessPermission();
		if (isNetworkTypeValid(networkType)) {
		if (isNetworkTypeValid(networkType) && mNetTrackers[networkType] != null) {
		return mNetTrackers[networkType].getLinkQualityInfo();
		} else {
		return null;
		@@ -4962,7 +5003,8 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		@Override
		public LinkQualityInfo getActiveLinkQualityInfo() {
		enforceAccessPermission();
		if (isNetworkTypeValid(mActiveDefaultNetwork)) {
		if (isNetworkTypeValid(mActiveDefaultNetwork) &&
		mNetTrackers[mActiveDefaultNetwork] != null) {
		return mNetTrackers[mActiveDefaultNetwork].getLinkQualityInfo();
		} else {
		return null;
		@@ -5084,6 +5126,11 @@ 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);
		}
		na.asyncChannel.connect(mContext, mTrackerHandler, na.messenger);
		NetworkInfo networkInfo = na.networkInfo;
		na.networkInfo = null;
		@@ -5280,6 +5327,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		sendUpdatedScoreToFactories(nr, newNetwork.currentScore);
		if (mDefaultRequest.requestId == nr.requestId) {
		isNewDefault = true;
		updateActiveDefaultNetwork(newNetwork);
		}
		}
		}
		@@ -5344,6 +5392,7 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		(oldInfo == null ? "null" : oldInfo.getState()) +
		" to " + state);
		}

		if (state == NetworkInfo.State.CONNECTED) {
		// TODO - check if we want it (optimization)
		try {
		@@ -5415,4 +5464,34 @@ public class ConnectivityService extends IConnectivityManager.Stub {
		}
		}
		}

		private LinkProperties getLinkPropertiesForType(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();
		}
		}

		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) {
		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();
		}
		}
		}