Merge changes from topics "handover_in_progress", "voice_rat_switch_count"... (2594c8e8) · Commits · e / os / android_frameworks_opt_telephony

proto/src/persist_atoms.proto

+1 −0

Original line number	Diff line number	Diff line
		@@ -276,6 +276,7 @@ message VoiceCallSession {
		optional int32 last_known_rat = 33;
		optional int32 fold_state = 34;
		optional int64 rat_switch_count_after_connected = 35;
		optional bool handover_in_progress = 36;

		// Internal use only
		optional int64 setup_begin_millis = 10001;

src/java/com/android/internal/telephony/metrics/DataConnectionStateTracker.java

0 → 100644

+189 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.internal.telephony.metrics;

		import android.os.Handler;
		import android.os.HandlerExecutor;
		import android.os.HandlerThread;
		import android.telephony.PreciseDataConnectionState;
		import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyCallback;
		import android.telephony.TelephonyManager;
		import android.util.SparseArray;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.telephony.Phone;

		import java.util.HashMap;
		import java.util.List;
		import java.util.concurrent.Executor;

		/**
		* This Tracker is monitoring precise data connection states for each APNs which are used for IMS
		* calling such as IMS and Emergency APN. It uses a SparseArray to track each SIM's connection
		* state.
		* The tracker is started by {@link VoiceCallSessionStats} and update the states to
		* VoiceCallSessionStats directly.
		*/
		public class DataConnectionStateTracker {
		private static final SparseArray<DataConnectionStateTracker> sDataConnectionStateTracker =
		new SparseArray<>();
		private final Executor mExecutor;
		private Phone mPhone;
		private int mSubId;
		private HashMap<Integer, PreciseDataConnectionState> mLastPreciseDataConnectionState =
		new HashMap<>();
		private PreciseDataConnectionStateListenerImpl mDataConnectionStateListener;

		private final SubscriptionManager.OnSubscriptionsChangedListener mSubscriptionsChangedListener =
		new SubscriptionManager.OnSubscriptionsChangedListener() {
		@Override
		public void onSubscriptionsChanged() {
		if (mPhone == null) {
		return;
		}
		int newSubId = mPhone.getSubId();
		if (mSubId == newSubId
		\|\| newSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
		return;
		}

		unregisterTelephonyListener();
		mSubId = newSubId;
		registerTelephonyListener(mSubId);
		}
		};

		private DataConnectionStateTracker() {
		HandlerThread handlerThread =
		new HandlerThread(DataConnectionStateTracker.class.getSimpleName());
		handlerThread.start();
		mExecutor = new HandlerExecutor(new Handler(handlerThread.getLooper()));
		}

		/** Getting or Creating DataConnectionStateTracker based on phoneId */
		public static synchronized DataConnectionStateTracker getInstance(int phoneId) {
		DataConnectionStateTracker dataConnectionStateTracker =
		sDataConnectionStateTracker.get(phoneId);
		if (dataConnectionStateTracker != null) {
		return dataConnectionStateTracker;
		}

		dataConnectionStateTracker = new DataConnectionStateTracker();
		sDataConnectionStateTracker.put(phoneId, dataConnectionStateTracker);
		return dataConnectionStateTracker;
		}

		/** Starting to monitor the precise data connection states */
		public void start(Phone phone) {
		mPhone = phone;
		mSubId = mPhone.getSubId();
		registerTelephonyListener(mSubId);
		SubscriptionManager mSubscriptionManager = mPhone.getContext()
		.getSystemService(SubscriptionManager.class);
		if (mSubscriptionManager != null) {
		mSubscriptionManager
		.addOnSubscriptionsChangedListener(mExecutor, mSubscriptionsChangedListener);
		}
		}

		/** Stopping monitoring for the precise data connection states */
		public void stop() {
		if (mPhone == null) {
		return;
		}
		SubscriptionManager mSubscriptionManager = mPhone.getContext()
		.getSystemService(SubscriptionManager.class);
		if (mSubscriptionManager != null) {
		mSubscriptionManager
		.removeOnSubscriptionsChangedListener(mSubscriptionsChangedListener);
		}
		unregisterTelephonyListener();
		mPhone = null;
		mLastPreciseDataConnectionState.clear();
		}

		/** Returns data state of the last notified precise data connection state for apn type */
		public int getDataState(int apnType) {
		if (!mLastPreciseDataConnectionState.containsKey(apnType)) {
		return TelephonyManager.DATA_UNKNOWN;
		}
		return mLastPreciseDataConnectionState.get(apnType).getState();
		}

		private void registerTelephonyListener(int subId) {
		if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
		return;
		}
		TelephonyManager telephonyManager =
		mPhone.getContext().getSystemService(TelephonyManager.class);
		if (telephonyManager != null) {
		mDataConnectionStateListener = new PreciseDataConnectionStateListenerImpl(mExecutor);
		mDataConnectionStateListener.register(telephonyManager.createForSubscriptionId(subId));
		}
		}

		private void unregisterTelephonyListener() {
		if (mDataConnectionStateListener != null) {
		mDataConnectionStateListener.unregister();
		mDataConnectionStateListener = null;
		}
		}

		@VisibleForTesting
		public void notifyDataConnectionStateChanged(PreciseDataConnectionState connectionState) {
		List<Integer> apnTypes = connectionState.getApnSetting().getApnTypes();
		if (apnTypes != null) {
		for (int apnType : apnTypes) {
		mLastPreciseDataConnectionState.put(apnType, connectionState);
		}
		}

		mPhone.getVoiceCallSessionStats().onPreciseDataConnectionStateChanged(connectionState);
		}

		private class PreciseDataConnectionStateListenerImpl extends TelephonyCallback
		implements TelephonyCallback.PreciseDataConnectionStateListener {
		private final Executor mExecutor;
		private TelephonyManager mTelephonyManager = null;

		PreciseDataConnectionStateListenerImpl(Executor executor) {
		mExecutor = executor;
		}

		public void register(TelephonyManager tm) {
		if (tm == null) {
		return;
		}
		mTelephonyManager = tm;
		mTelephonyManager.registerTelephonyCallback(mExecutor, this);
		}

		public void unregister() {
		if (mTelephonyManager != null) {
		mTelephonyManager.unregisterTelephonyCallback(this);
		mTelephonyManager = null;
		}
		}

		@Override
		public void onPreciseDataConnectionStateChanged(
		PreciseDataConnectionState connectionState) {
		notifyDataConnectionStateChanged(connectionState);
		}
		}
		}

src/java/com/android/internal/telephony/metrics/MetricsCollector.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -977,7 +977,8 @@ public class MetricsCollector implements StatsManager.StatsPullAtomCallback {
		session.callDuration,
		session.lastKnownRat,
		session.foldState,
		session.ratSwitchCountAfterConnected);
		session.ratSwitchCountAfterConnected,
		session.handoverInProgress);
		}

		private static StatsEvent buildStatsEvent(IncomingSms sms) {

src/java/com/android/internal/telephony/metrics/VoiceCallSessionStats.java

+60 −0

Original line number	Diff line number	Diff line
		@@ -47,8 +47,10 @@ import android.telephony.Annotation.NetworkType;
		import android.telephony.AnomalyReporter;
		import android.telephony.DisconnectCause;
		import android.telephony.NetworkRegistrationInfo;
		import android.telephony.PreciseDataConnectionState;
		import android.telephony.ServiceState;
		import android.telephony.TelephonyManager;
		import android.telephony.data.ApnSetting;
		import android.telephony.ims.ImsReasonInfo;
		import android.telephony.ims.ImsStreamMediaProfile;
		import android.util.LongSparseArray;
		@@ -163,6 +165,8 @@ public class VoiceCallSessionStats {
		public VoiceCallSessionStats(int phoneId, Phone phone) {
		mPhoneId = phoneId;
		mPhone = phone;

		DataConnectionStateTracker.getInstance(phoneId).start(phone);
		}

		/* CS calls */
		@@ -395,6 +399,14 @@ public class VoiceCallSessionStats {
		}
		}

		/** Updates internal states when IMS/Emergency PDN/PDU state changes */
		public synchronized void onPreciseDataConnectionStateChanged(
		PreciseDataConnectionState connectionState) {
		if (hasCalls()) {
		updateVoiceCallSessionBearerState(connectionState);
		}
		}

		/* internal */

		/** Handles ringing MT call getting accepted. */
		@@ -455,6 +467,7 @@ public class VoiceCallSessionStats {
		proto.isMultiparty = conn.isMultiparty();
		proto.lastKnownRat = rat;
		proto.videoEnabled = videoState != VideoProfile.STATE_AUDIO_ONLY ? true : false;
		proto.handoverInProgress = isHandoverInProgress(bearer, proto.isEmergency);

		// internal fields for tracking
		if (getDirection(conn) == VOICE_CALL_SESSION__DIRECTION__CALL_DIRECTION_MT) {
		@@ -686,6 +699,17 @@ public class VoiceCallSessionStats {
		return mPhone.getSignalStrength().getLevel();
		}

		private boolean isHandoverInProgress(int bearer, boolean isEmergency) {
		// If the call is not IMS, the bearer will not be able to handover
		if (bearer != VOICE_CALL_SESSION__BEARER_AT_END__CALL_BEARER_IMS) {
		return false;
		}

		int apnType = isEmergency ? ApnSetting.TYPE_EMERGENCY : ApnSetting.TYPE_IMS;
		int dataState = DataConnectionStateTracker.getInstance(mPhoneId).getDataState(apnType);
		return dataState == TelephonyManager.DATA_HANDOVER_IN_PROGRESS;
		}

		/**
		* This is a copy of ServiceStateStats.getVoiceRat(Phone, ServiceState, int) with minimum fix
		* required for tracking EPSFB correctly.
		@@ -928,4 +952,40 @@ public class VoiceCallSessionStats {

		return map;
		}

		private void updateVoiceCallSessionBearerState(PreciseDataConnectionState connectionState) {
		ApnSetting apnSetting = connectionState.getApnSetting();
		if (apnSetting == null) {
		return;
		}

		int apnTypes = apnSetting.getApnTypeBitmask();
		if ((apnTypes & ApnSetting.TYPE_IMS) == 0
		&& (apnTypes & ApnSetting.TYPE_EMERGENCY) == 0) {
		return;
		}

		for (int i = 0; i < mCallProtos.size(); i++) {
		VoiceCallSession proto = mCallProtos.valueAt(i);
		if (proto.bearerAtEnd == VOICE_CALL_SESSION__BEARER_AT_END__CALL_BEARER_IMS) {
		if (!proto.isEmergency && (apnTypes & ApnSetting.TYPE_IMS) != 0) {
		updateHandoverState(proto, connectionState.getState());
		}
		if (proto.isEmergency && (apnTypes & ApnSetting.TYPE_EMERGENCY) != 0) {
		updateHandoverState(proto, connectionState.getState());
		}
		}
		}
		}

		private void updateHandoverState(VoiceCallSession proto, int dataState) {
		switch (dataState) {
		case TelephonyManager.DATA_HANDOVER_IN_PROGRESS:
		proto.handoverInProgress = true;
		break;
		default:
		// All other states are considered as not in handover
		proto.handoverInProgress = false;
		}
		}
		}

tests/telephonytests/src/com/android/internal/telephony/metrics/VoiceCallSessionStatsTest.java

+343 −2

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