Merge "ContextHubTestModeManager: Reduce event probabilities" into main (09672b7c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/contexthub/ContextHubTestModeManager.java

+13 −12

Original line number	Diff line number	Diff line
		@@ -29,19 +29,22 @@ import java.util.Random;
		public class ContextHubTestModeManager {
		private static final String TAG = "ContextHubTestModeManager";

		/** Probability (in percent) of duplicating a message. */
		private static final int MESSAGE_DROP_PROBABILITY_PERCENT = 20;
		/** Probability of duplicating a message. */
		private static final double MESSAGE_DROP_PROBABILITY = 0.05;

		/** Probability (in percent) of duplicating a message. */
		private static final int MESSAGE_DUPLICATION_PROBABILITY_PERCENT = 20;
		/** Probability of duplicating a message. */
		private static final double MESSAGE_DUPLICATION_PROBABILITY = 0.05;

		/** The number of total messages to send when the duplicate event happens. */
		/** The number of total messages to send when the duplication event happens. */
		private static final int NUM_MESSAGES_TO_DUPLICATE = 3;

		/** A probability percent for a certain event. */
		private static final int MAX_PROBABILITY_PERCENT = 100;
		/**
		* The seed for the random number generator. This is used to make the
		* test more deterministic.
		*/
		private static final long SEED = 0xDEADBEEF;

		private final Random mRandom = new Random();
		private final Random mRandom = new Random(SEED);

		/**
		* @return whether the message was handled
		@@ -50,8 +53,7 @@ public class ContextHubTestModeManager {
		public boolean handleNanoappMessage(Runnable handleMessage, NanoAppMessage message) {
		if (Flags.reliableMessageDuplicateDetectionService()
		&& message.isReliable()
		&& mRandom.nextInt(MAX_PROBABILITY_PERCENT)
		< MESSAGE_DUPLICATION_PROBABILITY_PERCENT) {
		&& mRandom.nextDouble() < MESSAGE_DUPLICATION_PROBABILITY) {
		Log.i(TAG, "[TEST MODE] Duplicating message ("
		+ NUM_MESSAGES_TO_DUPLICATE
		+ " sends) with message sequence number: "
		@@ -71,8 +73,7 @@ public class ContextHubTestModeManager {
		public boolean sendMessageToContextHub(NanoAppMessage message) {
		if (Flags.reliableMessageRetrySupportService()
		&& message.isReliable()
		&& mRandom.nextInt(MAX_PROBABILITY_PERCENT)
		< MESSAGE_DROP_PROBABILITY_PERCENT) {
		&& mRandom.nextDouble() < MESSAGE_DROP_PROBABILITY) {
		Log.i(TAG, "[TEST MODE] Dropping message with message sequence number: "
		+ message.getMessageSequenceNumber());
		return true;