Telecom Emergency call diagnostics logger (cb209010) · Commits · e / os / android_packages_services_Telecomm

src/com/android/server/telecom/Call.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -3914,6 +3914,10 @@ public class Call implements CreateConnectionResponse, EventManager.Loggable,
		return mCallDirection == CALL_DIRECTION_UNKNOWN;
		}

		public boolean isOutgoing() {
		return mCallDirection == CALL_DIRECTION_OUTGOING;
		}

		/**
		* Determines if this call is in a disconnecting state.
		*

src/com/android/server/telecom/CallAnomalyWatchdog.java

+6 −1

Original line number	Diff line number	Diff line
		@@ -43,6 +43,8 @@ import java.util.stream.Collectors;
		* Watchdog class responsible for detecting potential anomalous conditions for {@link Call}s.
		*/
		public class CallAnomalyWatchdog extends CallsManagerListenerBase implements Call.Listener {
		private final EmergencyCallDiagnosticLogger mEmergencyCallDiagnosticLogger;

		/**
		* Class used to track the call state as it pertains to the watchdog. The watchdog cares about
		* both the call state and whether a {@link ConnectionService} has finished creating the
		@@ -146,11 +148,13 @@ public class CallAnomalyWatchdog extends CallsManagerListenerBase implements Cal

		public CallAnomalyWatchdog(ScheduledExecutorService executorService,
		TelecomSystem.SyncRoot lock,
		Timeouts.Adapter timeoutAdapter, ClockProxy clockProxy) {
		Timeouts.Adapter timeoutAdapter, ClockProxy clockProxy,
		EmergencyCallDiagnosticLogger emergencyCallDiagnosticLogger) {
		mScheduledExecutorService = executorService;
		mLock = lock;
		mTimeoutAdapter = timeoutAdapter;
		mClockProxy = clockProxy;
		mEmergencyCallDiagnosticLogger = emergencyCallDiagnosticLogger;
		}

		/**
		@@ -357,6 +361,7 @@ public class CallAnomalyWatchdog extends CallsManagerListenerBase implements Cal
		mAnomalyReporter.reportAnomaly(
		WATCHDOG_DISCONNECTED_STUCK_EMERGENCY_CALL_UUID,
		WATCHDOG_DISCONNECTED_STUCK_EMERGENCY_CALL_MSG);
		mEmergencyCallDiagnosticLogger.reportStuckCall(call);
		} else {
		mAnomalyReporter.reportAnomaly(
		WATCHDOG_DISCONNECTED_STUCK_CALL_UUID,

src/com/android/server/telecom/CallsManager.java

+21 −4

Original line number	Diff line number	Diff line
		@@ -117,6 +117,7 @@ import com.android.server.telecom.bluetooth.BluetoothRouteManager;
		import com.android.server.telecom.bluetooth.BluetoothStateReceiver;
		import com.android.server.telecom.callfiltering.BlockCheckerAdapter;
		import com.android.server.telecom.callfiltering.BlockCheckerFilter;
		import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
		import com.android.server.telecom.callfiltering.CallFilterResultCallback;
		import com.android.server.telecom.callfiltering.CallFilteringResult;
		import com.android.server.telecom.callfiltering.CallFilteringResult.Builder;
		@@ -124,11 +125,9 @@ import com.android.server.telecom.callfiltering.CallScreeningServiceFilter;
		import com.android.server.telecom.callfiltering.DirectToVoicemailFilter;
		import com.android.server.telecom.callfiltering.DndCallFilter;
		import com.android.server.telecom.callfiltering.IncomingCallFilterGraph;
		import com.android.server.telecom.callfiltering.BlockedNumbersAdapter;
		import com.android.server.telecom.callredirection.CallRedirectionProcessor;
		import com.android.server.telecom.components.ErrorDialogActivity;
		import com.android.server.telecom.components.TelecomBroadcastReceiver;
		import com.android.server.telecom.settings.BlockedNumbersUtil;
		import com.android.server.telecom.stats.CallFailureCause;
		import com.android.server.telecom.ui.AudioProcessingNotification;
		import com.android.server.telecom.ui.CallRedirectionTimeoutDialogActivity;
		@@ -440,6 +439,8 @@ public class CallsManager extends Call.ListenerBase
		private final RoleManagerAdapter mRoleManagerAdapter;
		private final CallEndpointController mCallEndpointController;
		private final CallAnomalyWatchdog mCallAnomalyWatchdog;

		private final EmergencyCallDiagnosticLogger mEmergencyCallDiagnosticLogger;
		private final CallStreamingController mCallStreamingController;
		private final BlockedNumbersAdapter mBlockedNumbersAdapter;
		private final TransactionManager mTransactionManager;
		@@ -552,7 +553,9 @@ public class CallsManager extends Call.ListenerBase
		Ringer.AccessibilityManagerAdapter accessibilityManagerAdapter,
		Executor asyncTaskExecutor,
		BlockedNumbersAdapter blockedNumbersAdapter,
		TransactionManager transactionManager) {
		TransactionManager transactionManager,
		EmergencyCallDiagnosticLogger emergencyCallDiagnosticLogger) {

		mContext = context;
		mLock = lock;
		mPhoneNumberUtilsAdapter = phoneNumberUtilsAdapter;
		@@ -569,6 +572,7 @@ public class CallsManager extends Call.ListenerBase
		mTimeoutsAdapter = timeoutsAdapter;
		mEmergencyCallHelper = emergencyCallHelper;
		mCallerInfoLookupHelper = callerInfoLookupHelper;
		mEmergencyCallDiagnosticLogger = emergencyCallDiagnosticLogger;

		mDtmfLocalTonePlayer =
		new DtmfLocalTonePlayer(new DtmfLocalTonePlayer.ToneGeneratorProxy());
		@@ -653,6 +657,7 @@ public class CallsManager extends Call.ListenerBase
		mListeners.add(mProximitySensorManager);
		mListeners.add(audioProcessingNotification);
		mListeners.add(callAnomalyWatchdog);
		mListeners.add(mEmergencyCallDiagnosticLogger);
		mListeners.add(mCallStreamingController);

		// this needs to be after the mCallAudioManager
		@@ -1277,6 +1282,10 @@ public class CallsManager extends Call.ListenerBase
		return mEmergencyCallHelper;
		}

		EmergencyCallDiagnosticLogger getEmergencyCallDiagnosticLogger() {
		return mEmergencyCallDiagnosticLogger;
		}

		public DefaultDialerCache getDefaultDialerCache() {
		return mDefaultDialerCache;
		}
		@@ -5378,7 +5387,7 @@ public class CallsManager extends Call.ListenerBase
		*
		* @param pw The {@code IndentingPrintWriter} to write the state to.
		*/
		public void dump(IndentingPrintWriter pw) {
		public void dump(IndentingPrintWriter pw, String[] args) {
		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
		if (mCalls != null) {
		pw.println("mCalls: ");
		@@ -5440,6 +5449,14 @@ public class CallsManager extends Call.ListenerBase
		mCallAnomalyWatchdog.dump(pw);
		pw.decreaseIndent();
		}

		if (mEmergencyCallDiagnosticLogger != null) {
		pw.println("mEmergencyCallDiagnosticLogger:");
		pw.increaseIndent();
		mEmergencyCallDiagnosticLogger.dump(pw, args);
		pw.decreaseIndent();
		}

		if (mDefaultDialerCache != null) {
		pw.println("mDefaultDialerCache:");
		pw.increaseIndent();

src/com/android/server/telecom/EmergencyCallDiagnosticLogger.java

0 → 100644

+438 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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.server.telecom;

		import static android.telephony.TelephonyManager.EmergencyCallDiagnosticParams;

		import android.os.BugreportManager;
		import android.os.DropBoxManager;
		import android.provider.DeviceConfig;
		import android.telecom.DisconnectCause;
		import android.telecom.Log;
		import android.telephony.TelephonyManager;
		import android.util.LocalLog;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.util.IndentingPrintWriter;

		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.List;
		import java.util.Map;
		import java.util.concurrent.ConcurrentHashMap;
		import java.util.concurrent.Executor;

		/**
		* The EmergencyCallDiagnosticsLogger monitors information required to diagnose potential outgoing
		* ecall failures on the device. When a potential failure is detected, it calls a Telephony API to
		* persist relevant information (dumpsys, logcat etc.) to the dropbox. This acts as a central place
		* to determine when and what to collect.
		*
		* <p>When a bugreport is triggered, this module will read the dropbox entries and add them to the
		* telecom dump.
		*/
		public class EmergencyCallDiagnosticLogger extends CallsManagerListenerBase
		implements Call.Listener {

		public static final int REPORT_REASON_RANGE_START = -1; //!!DO NOT CHANGE
		public static final int REPORT_REASON_RANGE_END = 5; //increment this and add new reason above
		public static final int COLLECTION_TYPE_BUGREPORT = 10;
		public static final int COLLECTION_TYPE_TELECOM_STATE = 11;
		public static final int COLLECTION_TYPE_TELEPHONY_STATE = 12;
		public static final int COLLECTION_TYPE_LOGCAT_BUFFERS = 13;
		private static final int REPORT_REASON_STUCK_CALL_DETECTED = 0;
		private static final int REPORT_REASON_INACTIVE_CALL_TERMINATED_BY_USER_AFTER_DELAY = 1;
		private static final int REPORT_REASON_CALL_FAILED = 2;
		private static final int REPORT_REASON_CALL_CREATED_BUT_NEVER_ADDED = 3;
		private static final int REPORT_REASON_SHORT_DURATION_AFTER_GOING_ACTIVE = 4;
		private static final String DROPBOX_TAG = "ecall_diagnostic_data";
		private static final String ENABLE_BUGREPORT_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS =
		"enable_bugreport_collection_for_emergency_call_diagnostics";
		private static final String ENABLE_TELECOM_DUMP_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS =
		"enable_telecom_dump_collection_for_emergency_call_diagnostics";

		private static final String ENABLE_LOGCAT_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS =
		"enable_logcat_collection_for_emergency_call_diagnostics";
		private static final String ENABLE_TELEPHONY_DUMP_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS =
		"enable_telephony_dump_collection_for_emergency_call_diagnostics";

		private static final String DUMPSYS_ARG_FOR_DIAGNOSTICS = "EmergencyDiagnostics";

		// max text size to read from dropbox entry
		private static final int DEFAULT_MAX_READ_BYTES_PER_DROP_BOX_ENTRY = 500000;
		private static final String MAX_BYTES_PER_DROP_BOX_ENTRY = "max_bytes_per_dropbox_entry";
		private static final int MAX_DROPBOX_ENTRIES_TO_DUMP = 6;

		private final Timeouts.Adapter mTimeoutAdapter;
		// This map holds all calls, but keeps pruning non-emergency calls when we can determine it
		private final Map<Call, CallEventTimestamps> mEmergencyCallsMap = new ConcurrentHashMap<>(2);
		private final DropBoxManager mDropBoxManager;
		private final LocalLog mLocalLog = new LocalLog(10);
		private final TelephonyManager mTelephonyManager;
		private final BugreportManager mBugreportManager;
		private final Executor mAsyncTaskExecutor;
		private final ClockProxy mClockProxy;

		public EmergencyCallDiagnosticLogger(
		TelephonyManager tm,
		BugreportManager brm,
		Timeouts.Adapter timeoutAdapter, DropBoxManager dropBoxManager,
		Executor asyncTaskExecutor, ClockProxy clockProxy) {
		mTimeoutAdapter = timeoutAdapter;
		mDropBoxManager = dropBoxManager;
		mTelephonyManager = tm;
		mBugreportManager = brm;
		mAsyncTaskExecutor = asyncTaskExecutor;
		mClockProxy = clockProxy;
		}

		// this calculates time from ACTIVE --> removed
		private static long getCallTimeInActiveStateSec(CallEventTimestamps ts) {
		if (ts.getCallActiveTime() == 0 \|\| ts.getCallRemovedTime() == 0) {
		return 0;
		} else {
		return (ts.getCallRemovedTime() - ts.getCallActiveTime()) / 1000;
		}
		}

		// this calculates time from call created --> removed
		private static long getTotalCallTimeSec(CallEventTimestamps ts) {
		if (ts.getCallRemovedTime() == 0 \|\| ts.getCallCreatedTime() == 0) {
		return 0;
		} else {
		return (ts.getCallRemovedTime() - ts.getCallCreatedTime()) / 1000;
		}
		}

		//determines what to collect based on fail reason
		//if COLLECTION_TYPE_BUGREPORT is present in the returned list, then that
		//should be the only collection type in the list
		@VisibleForTesting
		public static List<Integer> getDataCollectionTypes(int reason) {
		switch (reason) {
		case REPORT_REASON_SHORT_DURATION_AFTER_GOING_ACTIVE:
		return Arrays.asList(COLLECTION_TYPE_TELECOM_STATE);
		case REPORT_REASON_CALL_CREATED_BUT_NEVER_ADDED:
		return Arrays.asList(
		COLLECTION_TYPE_TELECOM_STATE, COLLECTION_TYPE_TELEPHONY_STATE);
		case REPORT_REASON_CALL_FAILED:
		case REPORT_REASON_INACTIVE_CALL_TERMINATED_BY_USER_AFTER_DELAY:
		case REPORT_REASON_STUCK_CALL_DETECTED:
		return Arrays.asList(
		COLLECTION_TYPE_TELECOM_STATE,
		COLLECTION_TYPE_TELEPHONY_STATE,
		COLLECTION_TYPE_LOGCAT_BUFFERS);
		default:
		}
		return new ArrayList<>();
		}

		private int getMaxBytesPerDropboxEntry() {
		return DeviceConfig.getInt(DeviceConfig.NAMESPACE_TELEPHONY,
		MAX_BYTES_PER_DROP_BOX_ENTRY, DEFAULT_MAX_READ_BYTES_PER_DROP_BOX_ENTRY);
		}

		@VisibleForTesting
		public Map<Call, CallEventTimestamps> getEmergencyCallsMap() {
		return mEmergencyCallsMap;
		}

		private void triggerDiagnosticsCollection(Call call, int reason) {
		Log.i(this, "Triggering diagnostics for call %s reason: %d", call.getId(), reason);
		List<Integer> dataCollectionTypes = getDataCollectionTypes(reason);
		boolean invokeTelephonyPersistApi = false;
		CallEventTimestamps ts = mEmergencyCallsMap.get(call);
		EmergencyCallDiagnosticParams dp =
		new EmergencyCallDiagnosticParams();
		for (Integer dataCollectionType : dataCollectionTypes) {
		switch (dataCollectionType) {
		case COLLECTION_TYPE_TELECOM_STATE:
		if (isTelecomDumpCollectionEnabled()) {
		dp.setTelecomDumpSysCollection(true);
		invokeTelephonyPersistApi = true;
		}
		break;
		case COLLECTION_TYPE_TELEPHONY_STATE:
		if (isTelephonyDumpCollectionEnabled()) {
		dp.setTelephonyDumpSysCollection(true);
		invokeTelephonyPersistApi = true;
		}
		break;
		case COLLECTION_TYPE_LOGCAT_BUFFERS:
		if (isLogcatCollectionEnabled()) {
		dp.setLogcatCollection(true, ts.getCallCreatedTime());
		invokeTelephonyPersistApi = true;
		}
		break;
		case COLLECTION_TYPE_BUGREPORT:
		if (isBugreportCollectionEnabled()) {
		mAsyncTaskExecutor.execute(new Runnable() {
		@Override
		public void run() {
		persistBugreport();
		}
		});
		}
		break;
		default:
		}
		}
		if (invokeTelephonyPersistApi) {
		mAsyncTaskExecutor.execute(new Runnable() {
		@Override
		public void run() {
		Log.i(this, "Requesting Telephony to persist data %s", dp.toString());
		try {
		mTelephonyManager.persistEmergencyCallDiagnosticData(DROPBOX_TAG, dp);
		} catch (Exception e) {
		Log.w(this,
		"Exception while invoking "
		+ "Telephony#persistEmergencyCallDiagnosticData %s",
		e.toString());
		}
		}
		});
		}
		}

		private boolean isBugreportCollectionEnabled() {
		return DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_TELEPHONY,
		ENABLE_BUGREPORT_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS,
		false);
		}

		private boolean isTelecomDumpCollectionEnabled() {
		return DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_TELEPHONY,
		ENABLE_TELECOM_DUMP_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS,
		true);
		}

		private boolean isLogcatCollectionEnabled() {
		return DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_TELEPHONY,
		ENABLE_LOGCAT_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS,
		true);
		}

		private boolean isTelephonyDumpCollectionEnabled() {
		return DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_TELEPHONY,
		ENABLE_TELEPHONY_DUMP_COLLECTION_FOR_EMERGENCY_CALL_DIAGNOSTICS,
		true);
		}

		private void persistBugreport() {
		if (isBugreportCollectionEnabled()) {
		// TODO:
		}
		}

		private boolean shouldTrackCall(Call call) {
		return (call != null && call.isEmergencyCall() && call.isOutgoing());
		}

		public void reportStuckCall(Call call) {
		if (shouldTrackCall(call)) {
		Log.i(this, "Triggering diagnostics for stuck call %s", call.getId());
		triggerDiagnosticsCollection(call, REPORT_REASON_STUCK_CALL_DETECTED);
		call.removeListener(this);
		mEmergencyCallsMap.remove(call);
		}
		}

		@Override
		public void onStartCreateConnection(Call call) {
		if (shouldTrackCall(call)) {
		long currentTime = mClockProxy.currentTimeMillis();
		call.addListener(this);
		Log.i(this, "Tracking call %s timestamp: %d", call.getId(), currentTime);
		mEmergencyCallsMap.put(call, new CallEventTimestamps(currentTime));
		}
		}

		@Override
		public void onCreateConnectionFailed(Call call) {
		if (shouldTrackCall(call)) {
		Log.i(this, "Triggering diagnostics for call %s that was never added", call.getId());
		triggerDiagnosticsCollection(call, REPORT_REASON_CALL_CREATED_BUT_NEVER_ADDED);
		call.removeListener(this);
		mEmergencyCallsMap.remove(call);
		}
		}

		/**
		* Override of {@link CallsManagerListenerBase} to track when calls are removed
		*
		* @param call the call
		*/
		@Override
		public void onCallRemoved(Call call) {
		if (call != null && (mEmergencyCallsMap.get(call) != null)) {
		call.removeListener(this);

		CallEventTimestamps ts = mEmergencyCallsMap.get(call);
		long currentTime = mClockProxy.currentTimeMillis();
		ts.setCallRemovedTime(currentTime);

		maybeTriggerDiagnosticsCollection(call, ts);
		mEmergencyCallsMap.remove(call);
		}
		}

		// !NOTE!: this method should only be called after we get onCallRemoved
		private void maybeTriggerDiagnosticsCollection(Call removedCall, CallEventTimestamps ts) {
		Log.i(this, "Evaluating emergency call for diagnostic logging: %s", removedCall.getId());
		boolean wentActive = (ts.getCallActiveTime() != 0);
		long callActiveTimeSec = (wentActive ? getCallTimeInActiveStateSec(ts) : 0);
		long timeSinceCallCreatedSec = getTotalCallTimeSec(ts);
		int dc = removedCall.getDisconnectCause().getCode();

		if (wentActive) {
		if (callActiveTimeSec
		< mTimeoutAdapter.getEmergencyCallActiveTimeThresholdMillis() / 1000) {
		// call connected but did not go on for long
		triggerDiagnosticsCollection(
		removedCall, REPORT_REASON_SHORT_DURATION_AFTER_GOING_ACTIVE);
		}
		} else {

		if (dc == DisconnectCause.LOCAL
		&& timeSinceCallCreatedSec
		> mTimeoutAdapter.getEmergencyCallTimeBeforeUserDisconnectThresholdMillis()
		/ 1000) {
		// call was disconnected by the user (but not immediately)
		triggerDiagnosticsCollection(
		removedCall, REPORT_REASON_INACTIVE_CALL_TERMINATED_BY_USER_AFTER_DELAY);
		} else if (dc != DisconnectCause.LOCAL) {
		// this can be a case for a full bugreport
		triggerDiagnosticsCollection(removedCall, REPORT_REASON_CALL_FAILED);
		}
		}
		}

		/**
		* Override of {@link com.android.server.telecom.CallsManager.CallsManagerListener} to track
		* call state changes.
		*
		* @param call the call
		* @param oldState its old state
		* @param newState the new state
		*/
		@Override
		public void onCallStateChanged(Call call, int oldState, int newState) {

		if (call != null && mEmergencyCallsMap.get(call) != null && newState == CallState.ACTIVE) {
		CallEventTimestamps ts = mEmergencyCallsMap.get(call);
		if (ts != null) {
		long currentTime = mClockProxy.currentTimeMillis();
		ts.setCallActiveTime(currentTime);
		}
		}
		}

		private void dumpDiagnosticDataFromDropbox(IndentingPrintWriter pw) {
		pw.increaseIndent();
		pw.println("PERSISTED DIAGNOSTIC DATA FROM DROP BOX");
		int totalEntriesDumped = 0;
		long currentTime = mClockProxy.currentTimeMillis();
		long entriesAfterTime =
		currentTime - (mTimeoutAdapter.getDaysBackToSearchEmergencyDiagnosticEntries() * 24
		* 60L * 60L * 1000L);
		Log.i(this, "current time: %d entriesafter: %d", currentTime, entriesAfterTime);
		DropBoxManager.Entry entry;
		entry = mDropBoxManager.getNextEntry(DROPBOX_TAG, entriesAfterTime);
		while (entry != null) {
		Log.i(this, "found entry with ts: %d", entry.getTimeMillis());
		String content[] = entry.getText(getMaxBytesPerDropboxEntry()).split(
		System.lineSeparator());
		long entryTime = entry.getTimeMillis();
		if (content != null) {
		pw.increaseIndent();
		pw.println("------------BEGIN ENTRY (" + entryTime + ")--------");
		for (String line : content) {
		pw.println(line);
		}
		pw.println("--------END ENTRY--------");
		pw.decreaseIndent();
		totalEntriesDumped++;
		}
		entry = mDropBoxManager.getNextEntry(DROPBOX_TAG, entryTime);
		if (totalEntriesDumped > MAX_DROPBOX_ENTRIES_TO_DUMP) {
		/*
		Since Emergency calls are a rare/once in a lifetime time occurrence for most users,
		we should not be seeing too many entries. This code just guards against edge case
		like load testing, b2b failures etc. We may accumulate a lot of dropbox entries in
		such cases, but we limit to dumping only MAX_DROPBOX_ENTRIES_TO_DUMP in the
		bugreport

		The Dropbox API in its current state does not allow to query Entries in reverse
		chronological order efficiently.
		*/

		Log.i(this, "Skipping dump for remaining entries. dumped :%d", totalEntriesDumped);
		break;
		}
		}
		pw.println("END OF PERSISTED DIAGNOSTIC DATA FROM DROP BOX");
		pw.decreaseIndent();
		}

		public void dump(IndentingPrintWriter pw, String[] args) {
		pw.increaseIndent();
		mLocalLog.dump(pw);
		pw.decreaseIndent();
		if (args != null && args.length > 0 && args[0].equals(DUMPSYS_ARG_FOR_DIAGNOSTICS)) {
		//dont read dropbox entries since this dump is triggered by telephony for diagnostics
		Log.i(this, "skipped dumping diagnostic data");
		return;
		}
		dumpDiagnosticDataFromDropbox(pw);
		}

		private static class CallEventTimestamps {

		private final long mCallCreatedTime;
		private long mCallActiveTime;
		private long mCallRemovedTime;

		public CallEventTimestamps(long createdTime) {
		mCallCreatedTime = createdTime;
		}

		public long getCallActiveTime() {
		return mCallActiveTime;
		}

		public void setCallActiveTime(long callActiveTime) {
		this.mCallActiveTime = callActiveTime;
		}

		public long getCallCreatedTime() {
		return mCallCreatedTime;
		}

		public long getCallRemovedTime() {
		return mCallRemovedTime;
		}

		public void setCallRemovedTime(long callRemovedTime) {
		this.mCallRemovedTime = callRemovedTime;
		}
		}
		}

src/com/android/server/telecom/TelecomServiceImpl.java

+7 −6

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