Adds client info in ContextHubService dump (672d8a7a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/ContextHubClientBroker.java

+45 −0

Original line number	Diff line number	Diff line
		@@ -29,10 +29,12 @@ import android.hardware.location.ContextHubTransaction;
		import android.hardware.location.IContextHubClient;
		import android.hardware.location.IContextHubClientCallback;
		import android.hardware.location.NanoAppMessage;
		import android.os.Binder;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.util.Log;

		import java.util.concurrent.atomic.AtomicBoolean;
		import java.util.function.Supplier;

		/**
		@@ -96,6 +98,16 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		*/
		private final PendingIntentRequest mPendingIntentRequest;

		/*
		* The host package associated with this client.
		*/
		private final String mPackage;

		/*
		* True if a PendingIntent has been cancelled.
		*/
		private AtomicBoolean mIsPendingIntentCancelled = new AtomicBoolean(false);

		/*
		* Helper class to manage registered PendingIntent requests from the client.
		*/
		@@ -110,11 +122,14 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		*/
		private long mNanoAppId;

		private boolean mValid = false;

		PendingIntentRequest() {}

		PendingIntentRequest(PendingIntent pendingIntent, long nanoAppId) {
		mPendingIntent = pendingIntent;
		mNanoAppId = nanoAppId;
		mValid = true;
		}

		public long getNanoAppId() {
		@@ -132,6 +147,10 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		public void clear() {
		mPendingIntent = null;
		}

		public boolean isValid() {
		return mValid;
		}
		}

		/* package */ ContextHubClientBroker(
		@@ -145,6 +164,7 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		mHostEndPointId = hostEndPointId;
		mCallbackInterface = callback;
		mPendingIntentRequest = new PendingIntentRequest();
		mPackage = mContext.getPackageManager().getNameForUid(Binder.getCallingUid());
		}

		/* package */ ContextHubClientBroker(
		@@ -157,6 +177,7 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		mAttachedContextHubInfo = contextHubInfo;
		mHostEndPointId = hostEndPointId;
		mPendingIntentRequest = new PendingIntentRequest(pendingIntent, nanoAppId);
		mPackage = pendingIntent.getCreatorPackage();
		}

		/**
		@@ -312,6 +333,13 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		}
		}

		/**
		* @return true if the client is a PendingIntent client that has been cancelled.
		*/
		/* package */ boolean isPendingIntentCancelled() {
		return mIsPendingIntentCancelled.get();
		}

		/**
		* Helper function to invoke a specified client callback, if the connection is open.
		*
		@@ -392,6 +420,7 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		Manifest.permission.LOCATION_HARDWARE /* requiredPermission */,
		null /* options */);
		} catch (PendingIntent.CanceledException e) {
		mIsPendingIntentCancelled.set(true);
		// The PendingIntent is no longer valid
		Log.w(TAG, "PendingIntent has been canceled, unregistering from client"
		+ " (host endpoint ID " + mHostEndPointId + ")");
		@@ -419,4 +448,20 @@ public class ContextHubClientBroker extends IContextHubClient.Stub
		mRegistered = false;
		}
		}

		@Override
		public String toString() {
		String out = "[ContextHubClient ";
		out += "endpointID: " + getHostEndPointId() + ", ";
		out += "contextHub: " + getAttachedContextHubId() + ", ";
		if (mPendingIntentRequest.isValid()) {
		out += "intentCreatorPackage: " + mPackage + ", ";
		out += "nanoAppId: 0x" + Long.toHexString(mPendingIntentRequest.getNanoAppId());
		} else {
		out += "package: " + mPackage;
		}
		out += "]";

		return out;
		}
		}

services/core/java/com/android/server/location/ContextHubClientManager.java

+106 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.server.location;

		import android.annotation.IntDef;
		import android.app.PendingIntent;
		import android.content.Context;
		import android.hardware.contexthub.V1_0.ContextHubMsg;
		@@ -27,7 +28,12 @@ import android.hardware.location.NanoAppMessage;
		import android.os.RemoteException;
		import android.util.Log;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.Calendar;
		import java.util.Iterator;
		import java.util.concurrent.ConcurrentHashMap;
		import java.util.concurrent.ConcurrentLinkedDeque;
		import java.util.function.Consumer;

		/**
		@@ -71,6 +77,79 @@ import java.util.function.Consumer;
		*/
		private int mNextHostEndPointId = 0;

		/*
		* The list of previous registration records.
		*/
		private static final int NUM_CLIENT_RECORDS = 20;
		private final ConcurrentLinkedEvictingDeque<RegistrationRecord> mRegistrationRecordDeque =
		new ConcurrentLinkedEvictingDeque<>(NUM_CLIENT_RECORDS);

		@Retention(RetentionPolicy.SOURCE)
		@IntDef(prefix = { "ACTION_" }, value = {
		ACTION_REGISTERED,
		ACTION_UNREGISTERED,
		ACTION_CANCELLED,
		})
		public @interface Action {}
		public static final int ACTION_REGISTERED = 0;
		public static final int ACTION_UNREGISTERED = 1;
		public static final int ACTION_CANCELLED = 2;

		/**
		* Helper class to make a ConcurrentLinkedDeque fixed-size, evicting old entries when full.
		*/
		private class ConcurrentLinkedEvictingDeque<E> extends ConcurrentLinkedDeque<E> {
		private int mSize;

		ConcurrentLinkedEvictingDeque(int size) {
		mSize = size;
		}

		@Override
		public boolean add(E elem) {
		synchronized (this) {
		if (size() == mSize) {
		poll();
		}

		return super.add(elem);
		}
		}
		}

		/**
		* A container class to store a record of ContextHubClient registration.
		*/
		private class RegistrationRecord {
		private final String mBroker;
		private final int mAction;
		private final String mDate;

		RegistrationRecord(String broker, @Action int action) {
		mBroker = broker;
		mAction = action;
		Calendar instance = Calendar.getInstance();
		mDate = String.format("%02d", instance.get(Calendar.MONTH) + 1) // Jan == 0
		+ "/" + String.format("%02d", instance.get(Calendar.DAY_OF_MONTH))
		+ " " + String.format("%02d", instance.get(Calendar.HOUR_OF_DAY))
		+ ":" + String.format("%02d", instance.get(Calendar.MINUTE))
		+ ":" + String.format("%02d", instance.get(Calendar.SECOND))
		+ "." + String.format("%03d", instance.get(Calendar.MILLISECOND));
		}

		@Override
		public String toString() {
		String out = "";
		out += mDate + " ";
		out += mAction == ACTION_REGISTERED ? "+ " : "- ";
		out += mBroker;
		if (mAction == ACTION_CANCELLED) {
		out += " (cancelled)";
		}
		return out;
		}
		}

		/* package */ ContextHubClientManager(
		Context context, IContexthub contextHubProxy) {
		mContext = context;
		@@ -96,6 +175,8 @@ import java.util.function.Consumer;
		mContext, mContextHubProxy, this /* clientManager */, contextHubInfo,
		hostEndPointId, clientCallback);
		mHostEndPointIdToClientMap.put(hostEndPointId, broker);
		mRegistrationRecordDeque.add(
		new RegistrationRecord(broker.toString(), ACTION_REGISTERED));
		}

		try {
		@@ -136,6 +217,8 @@ import java.util.function.Consumer;
		hostEndPointId, pendingIntent, nanoAppId);
		mHostEndPointIdToClientMap.put(hostEndPointId, broker);
		registerString = "Registered";
		mRegistrationRecordDeque.add(
		new RegistrationRecord(broker.toString(), ACTION_REGISTERED));
		}
		}

		@@ -178,6 +261,13 @@ import java.util.function.Consumer;
		* @param hostEndPointId the host endpoint ID of the client that has died
		*/
		/* package */ void unregisterClient(short hostEndPointId) {
		ContextHubClientBroker broker = mHostEndPointIdToClientMap.get(hostEndPointId);
		if (broker != null) {
		@Action int action =
		broker.isPendingIntentCancelled() ? ACTION_CANCELLED : ACTION_UNREGISTERED;
		mRegistrationRecordDeque.add(new RegistrationRecord(broker.toString(), action));
		}

		if (mHostEndPointIdToClientMap.remove(hostEndPointId) != null) {
		Log.d(TAG, "Unregistered client with host endpoint ID " + hostEndPointId);
		} else {
		@@ -285,4 +375,20 @@ import java.util.function.Consumer;

		return null;
		}

		@Override
		public String toString() {
		String out = "";
		for (ContextHubClientBroker broker : mHostEndPointIdToClientMap.values()) {
		out += broker + "\n";
		}

		out += "\nRegistration history:\n";
		Iterator<RegistrationRecord> it = mRegistrationRecordDeque.descendingIterator();
		while (it.hasNext()) {
		out += it.next() + "\n";
		}

		return out;
		}
		}

services/core/java/com/android/server/location/ContextHubService.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -795,6 +795,10 @@ public class ContextHubService extends IContextHubService.Stub {
		// Dump nanoAppHash
		mNanoAppStateManager.foreachNanoAppInstanceInfo((info) -> pw.println(info));

		pw.println("");
		pw.println("=================== CLIENTS ====================");
		pw.println(mClientManager);

		// dump eventLog
		}