am 3ed28036: am c697ebfd: Merge "Enhancement on ICS data stall polling logic" into ics-mr1 (9a03482c) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+12 −3

Original line number	Diff line number	Diff line
		@@ -3678,11 +3678,20 @@ public final class Settings {
		"pdp_watchdog_max_pdp_reset_fail_count";

		/**
		* The number of milliseconds to delay when checking for data stalls
		* The number of milliseconds to delay when checking for data stalls during
		* non-aggressive detection. (screen is turned off.)
		* @hide
		*/
		public static final String DATA_STALL_ALARM_DELAY_IN_MS =
		"data_stall_alarm_delay_in_ms";
		public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
		"data_stall_alarm_non_aggressive_delay_in_ms";

		/**
		* The number of milliseconds to delay when checking for data stalls during
		* aggressive detection. (screen on or suspected data stall)
		* @hide
		*/
		public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
		"data_stall_alarm_aggressive_delay_in_ms";

		/**
		* The interval in milliseconds at which to check gprs registration

telephony/java/com/android/internal/telephony/DataConnectionTracker.java

+7 −2

Original line number	Diff line number	Diff line
		@@ -212,8 +212,10 @@ public abstract class DataConnectionTracker extends Handler {
		// represents an invalid IP address
		protected static final String NULL_IP = "0.0.0.0";

		// Default for the data stall alarm
		protected static final int DATA_STALL_ALARM_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6;
		// Default for the data stall alarm while non-aggressive stall detection
		protected static final int DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60 * 6;
		// Default for the data stall alarm for aggressive stall detection
		protected static final int DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT = 1000 * 60;
		// If attempt is less than this value we're doing first level recovery
		protected static final int DATA_STALL_NO_RECV_POLL_LIMIT = 1;
		// Tag for tracking stale alarms
		@@ -323,10 +325,12 @@ public abstract class DataConnectionTracker extends Handler {
		mIsScreenOn = true;
		stopNetStatPoll();
		startNetStatPoll();
		restartDataStallAlarm();
		} else if (action.equals(Intent.ACTION_SCREEN_OFF)) {
		mIsScreenOn = false;
		stopNetStatPoll();
		startNetStatPoll();
		restartDataStallAlarm();
		} else if (action.startsWith(getActionIntentReconnectAlarm())) {
		log("Reconnect alarm. Previous state was " + mState);
		onActionIntentReconnectAlarm(intent);
		@@ -622,6 +626,7 @@ public abstract class DataConnectionTracker extends Handler {
		protected abstract String getActionIntentDataStallAlarm();
		protected abstract void startNetStatPoll();
		protected abstract void stopNetStatPoll();
		protected abstract void restartDataStallAlarm();
		protected abstract void restartRadio();
		protected abstract void log(String s);
		protected abstract void loge(String s);

telephony/java/com/android/internal/telephony/cdma/CdmaDataConnectionTracker.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,9 @@ public final class CdmaDataConnectionTracker extends DataConnectionTracker {
		return INTENT_DATA_STALL_ALARM;
		}

		@Override
		protected void restartDataStallAlarm() {}

		@Override
		protected void setState(State s) {
		if (DBG) log ("setState: " + s);

telephony/java/com/android/internal/telephony/gsm/GsmDataConnectionTracker.java

+51 −12

Original line number	Diff line number	Diff line
		@@ -97,13 +97,21 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		private ContentResolver mResolver;

		// Recovery action taken in case of data stall
		class RecoveryAction {
		private static class RecoveryAction {
		public static final int GET_DATA_CALL_LIST = 0;
		public static final int CLEANUP = 1;
		public static final int REREGISTER = 2;
		public static final int RADIO_RESTART = 3;
		public static final int RADIO_RESTART_WITH_PROP = 4;

		private static boolean isAggressiveRecovery(int value) {
		return ((value == RecoveryAction.CLEANUP) \|\|
		(value == RecoveryAction.REREGISTER) \|\|
		(value == RecoveryAction.RADIO_RESTART) \|\|
		(value == RecoveryAction.RADIO_RESTART_WITH_PROP));
		}
		}

		public int getRecoveryAction() {
		int action = Settings.System.getInt(mPhone.getContext().getContentResolver(),
		"radio.data.stall.recovery.action", RecoveryAction.GET_DATA_CALL_LIST);
		@@ -131,6 +139,9 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		static final String APN_ID = "apn_id";
		private boolean canSetPreferApn = false;

		private static final boolean DATA_STALL_SUSPECTED = true;
		private static final boolean DATA_STALL_NOT_SUSPECTED = false;

		@Override
		protected void onActionIntentReconnectAlarm(Intent intent) {
		if (DBG) log("GPRS reconnect alarm. Previous state was " + mState);
		@@ -586,7 +597,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		if (getOverallState() == State.CONNECTED) {
		if (DBG) log("onDataConnectionAttached: start polling notify attached");
		startNetStatPoll();
		startDataStallAlarm();
		startDataStallAlarm(DATA_STALL_NOT_SUSPECTED);
		notifyDataConnection(Phone.REASON_DATA_ATTACHED);
		} else {
		// update APN availability so that APN can be enabled.
		@@ -1267,7 +1278,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		// setState(State.CONNECTED);
		mPhone.notifyDataConnection(apnContext.getReason(), apnContext.getApnType());
		startNetStatPoll();
		startDataStallAlarm();
		startDataStallAlarm(DATA_STALL_NOT_SUSPECTED);
		// reset reconnect timer
		apnContext.getDataConnection().resetRetryCount();
		}
		@@ -1433,10 +1444,12 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		Settings.Secure.PDP_WATCHDOG_TRIGGER_PACKET_COUNT,
		NUMBER_SENT_PACKETS_OF_HANG);

		boolean suspectedStall = DATA_STALL_NOT_SUSPECTED;
		if (mSentSinceLastRecv >= hangWatchdogTrigger) {
		if (DBG) {
		log("onDataStallAlarm: tag=" + tag + " do recovery action=" + getRecoveryAction());
		}
		suspectedStall = DATA_STALL_SUSPECTED;
		sendMessage(obtainMessage(EVENT_DO_RECOVERY));
		} else {
		if (VDBG) {
		@@ -1444,7 +1457,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		" pkts since last received, < watchdogTrigger=" + hangWatchdogTrigger);
		}
		}
		startDataStallAlarm();
		startDataStallAlarm(suspectedStall);
		}


		@@ -1610,12 +1623,24 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {

		}

		private void startDataStallAlarm() {
		int delayInMs = Settings.Secure.getInt(mResolver,
		Settings.Secure.DATA_STALL_ALARM_DELAY_IN_MS,
		DATA_STALL_ALARM_DELAY_IN_MS_DEFAULT);
		private void startDataStallAlarm(boolean suspectedStall) {
		int nextAction = getRecoveryAction();
		int delayInMs;

		// If screen is on or data stall is currently suspected, set the alarm
		// with an aggresive timeout.
		if (mIsScreenOn \|\| suspectedStall \|\| RecoveryAction.isAggressiveRecovery(nextAction)) {
		delayInMs = Settings.Secure.getInt(mResolver,
		Settings.Secure.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS,
		DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS_DEFAULT);
		} else {
		delayInMs = Settings.Secure.getInt(mResolver,
		Settings.Secure.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS,
		DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS_DEFAULT);
		}

		mDataStallAlarmTag += 1;
		if (DBG) {
		if (VDBG) {
		log("startDataStallAlarm: tag=" + mDataStallAlarmTag +
		" delay=" + (delayInMs / 1000) + "s");
		}
		@@ -1634,7 +1659,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		AlarmManager am =
		(AlarmManager) mPhone.getContext().getSystemService(Context.ALARM_SERVICE);

		if (DBG) {
		if (VDBG) {
		log("stopDataStallAlarm: current tag=" + mDataStallAlarmTag +
		" mDataStallAlarmIntent=" + mDataStallAlarmIntent);
		}
		@@ -1645,6 +1670,20 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		}
		}

		@Override
		protected void restartDataStallAlarm() {
		// To be called on screen status change.
		// Do not cancel the alarm if it is set with aggressive timeout.
		int nextAction = getRecoveryAction();

		if (RecoveryAction.isAggressiveRecovery(nextAction)) {
		if (DBG) log("data stall recovery action is pending. not resetting the alarm.");
		return;
		}
		stopDataStallAlarm();
		startDataStallAlarm(DATA_STALL_NOT_SUSPECTED);
		}

		private void notifyNoData(GsmDataConnection.FailCause lastFailCauseCode,
		ApnContext apnContext) {
		if (DBG) log( "notifyNoData: type=" + apnContext.getApnType());
		@@ -2059,7 +2098,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		if (isConnected()) {
		if (!mPhone.getServiceStateTracker().isConcurrentVoiceAndDataAllowed()) {
		startNetStatPoll();
		startDataStallAlarm();
		startDataStallAlarm(DATA_STALL_NOT_SUSPECTED);
		notifyDataConnection(Phone.REASON_VOICE_CALL_ENDED);
		} else {
		// clean slate after call end.
		@@ -2401,7 +2440,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
		mIsPsRestricted = false;
		if (isConnected()) {
		startNetStatPoll();
		startDataStallAlarm();
		startDataStallAlarm(DATA_STALL_NOT_SUSPECTED);
		} else {
		// TODO: Should all PDN states be checked to fail?
		if (mState == State.FAILED) {