Handle emergency call back mode correctly (4494c906) · Commits · e / os / android_frameworks_base

services/java/com/android/server/WifiService.java

+4 −4

Original line number	Diff line number	Diff line
		@@ -840,7 +840,7 @@ public class WifiService extends IWifiManager.Stub {
		* of WifiLock & device idle status unless wifi enabled status is toggled
		*/

		mWifiStateMachine.setDriverStart(true);
		mWifiStateMachine.setDriverStart(true, mEmergencyCallbackMode);
		mWifiStateMachine.reconnectCommand();
		}

		@@ -854,7 +854,7 @@ public class WifiService extends IWifiManager.Stub {
		* TODO: if a stop is issued, wifi is brought up only by startWifi
		* unless wifi enabled status is toggled
		*/
		mWifiStateMachine.setDriverStart(false);
		mWifiStateMachine.setDriverStart(false, mEmergencyCallbackMode);
		}


		@@ -1074,11 +1074,11 @@ public class WifiService extends IWifiManager.Stub {
		mWifiStateMachine.setWifiEnabled(true);
		mWifiStateMachine.setScanOnlyMode(
		strongestLockMode == WifiManager.WIFI_MODE_SCAN_ONLY);
		mWifiStateMachine.setDriverStart(true);
		mWifiStateMachine.setDriverStart(true, mEmergencyCallbackMode);
		mWifiStateMachine.setHighPerfModeEnabled(strongestLockMode
		== WifiManager.WIFI_MODE_FULL_HIGH_PERF);
		} else {
		mWifiStateMachine.setDriverStart(false);
		mWifiStateMachine.setDriverStart(false, mEmergencyCallbackMode);
		}
		} else {
		mWifiStateMachine.setWifiEnabled(false);

wifi/java/android/net/wifi/WifiStateMachine.java

+19 −6

Original line number	Diff line number	Diff line
		@@ -368,6 +368,10 @@ public class WifiStateMachine extends StateMachine {
		private static final int SUCCESS = 1;
		private static final int FAILURE = -1;

		/* Phone in emergency call back mode */
		private static final int IN_ECM_STATE = 1;
		private static final int NOT_IN_ECM_STATE = 0;

		/**
		* The maximum number of times we will retry a connection to an access point
		* for which we have failed in acquiring an IP address from DHCP. A value of
		@@ -778,11 +782,11 @@ public class WifiStateMachine extends StateMachine {
		/**
		* TODO: doc
		*/
		public void setDriverStart(boolean enable) {
		public void setDriverStart(boolean enable, boolean ecm) {
		if (enable) {
		sendMessage(CMD_START_DRIVER);
		} else {
		sendMessage(CMD_STOP_DRIVER);
		sendMessage(obtainMessage(CMD_STOP_DRIVER, ecm ? IN_ECM_STATE : NOT_IN_ECM_STATE, 0));
		}
		}

		@@ -2576,16 +2580,25 @@ public class WifiStateMachine extends StateMachine {
		WifiNative.setBluetoothCoexistenceScanModeCommand(mBluetoothConnectionActive);
		break;
		case CMD_STOP_DRIVER:
		/* Already doing a delayed stop */
		if (mInDelayedStop) {
		int mode = message.arg1;

		/* Already doing a delayed stop && not in ecm state */
		if (mInDelayedStop && mode != IN_ECM_STATE) {
		if (DBG) log("Already in delayed stop");
		break;
		}
		mInDelayedStop = true;
		mDelayedStopCounter++;
		if (DBG) log("Delayed stop message " + mDelayedStopCounter);
		sendMessageDelayed(obtainMessage(CMD_DELAYED_STOP_DRIVER, mDelayedStopCounter,
		0), DELAYED_DRIVER_STOP_MS);

		if (mode == IN_ECM_STATE) {
		/* send a shut down immediately */
		sendMessage(obtainMessage(CMD_DELAYED_STOP_DRIVER, mDelayedStopCounter, 0));
		} else {
		/* send regular delayed shut down */
		sendMessageDelayed(obtainMessage(CMD_DELAYED_STOP_DRIVER,
		mDelayedStopCounter, 0), DELAYED_DRIVER_STOP_MS);
		}
		break;
		case CMD_START_DRIVER:
		if (mInDelayedStop) {