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Commit 56ebd7da authored by zhoulei's avatar zhoulei Committed by android-build-merger
Browse files

Merge "update time while network is connected" 

am: 465f8527

Change-Id: I863c775015079a21098efd32b570acf8a8b53efa
parents 9374e0b5 465f8527

services/core/java/com/android/server/NetworkTimeUpdateService.java

+26 −27
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ import android.content.IntentFilter; 
import android.content.pm.PackageManager;

import android.database.ContentObserver;

import android.net.ConnectivityManager;

import android.net.ConnectivityManager.NetworkCallback;

import android.net.Network;

import android.os.Binder;

import android.os.Handler;

import android.os.HandlerThread;
@@ -73,6 +75,7 @@ public class NetworkTimeUpdateService extends Binder { 
    private long mNitzTimeSetTime = NOT_SET;

    // TODO: Have a way to look up the timezone we are in

    private long mNitzZoneSetTime = NOT_SET;

    private Network mDefaultNetwork = null;



    private Context mContext;

    private TrustedTime mTime;
@@ -82,6 +85,8 @@ public class NetworkTimeUpdateService extends Binder { 
    private AlarmManager mAlarmManager;

    private PendingIntent mPendingPollIntent;

    private SettingsObserver mSettingsObserver;

    private ConnectivityManager mCM;

    private NetworkTimeUpdateCallback mNetworkTimeUpdateCallback;

    // The last time that we successfully fetched the NTP time.

    private long mLastNtpFetchTime = NOT_SET;

    private final PowerManager.WakeLock mWakeLock;
@@ -103,6 +108,7 @@ public class NetworkTimeUpdateService extends Binder { 
        mContext = context;

        mTime = NtpTrustedTime.getInstance(context);

        mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);

        mCM = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);

        Intent pollIntent = new Intent(ACTION_POLL, null);

        mPendingPollIntent = PendingIntent.getBroadcast(mContext, POLL_REQUEST, pollIntent, 0);
@@ -123,13 +129,12 @@ public class NetworkTimeUpdateService extends Binder { 
    public void systemRunning() {

        registerForTelephonyIntents();

        registerForAlarms();

        registerForConnectivityIntents();



        HandlerThread thread = new HandlerThread(TAG);

        thread.start();

        mHandler = new MyHandler(thread.getLooper());

        // Check the network time on the new thread

        mHandler.obtainMessage(EVENT_POLL_NETWORK_TIME).sendToTarget();

        mNetworkTimeUpdateCallback = new NetworkTimeUpdateCallback();

        mCM.registerDefaultNetworkCallback(mNetworkTimeUpdateCallback, mHandler);



        mSettingsObserver = new SettingsObserver(mHandler, EVENT_AUTO_TIME_CHANGED);

        mSettingsObserver.observe(mContext);
@@ -152,15 +157,10 @@ public class NetworkTimeUpdateService extends Binder { 
            }, new IntentFilter(ACTION_POLL));

    }



    private void registerForConnectivityIntents() {

        IntentFilter intentFilter = new IntentFilter();

        intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);

        mContext.registerReceiver(mConnectivityReceiver, intentFilter);

    }



    private void onPollNetworkTime(int event) {

        // If Automatic time is not set, don't bother.

        if (!isAutomaticTimeRequested()) return;

        // If Automatic time is not set, don't bother. Similarly, if we don't

        // have any default network, don't bother.

        if (!isAutomaticTimeRequested() || mDefaultNetwork == null) return;

        mWakeLock.acquire();

        try {

            onPollNetworkTimeUnderWakeLock(event);
@@ -262,22 +262,6 @@ public class NetworkTimeUpdateService extends Binder { 
        }

    };



    /** Receiver for ConnectivityManager events */

    private BroadcastReceiver mConnectivityReceiver = new BroadcastReceiver() {



        @Override

        public void onReceive(Context context, Intent intent) {

            String action = intent.getAction();

            if (ConnectivityManager.CONNECTIVITY_ACTION.equals(action)) {

                if (DBG) Log.d(TAG, "Received CONNECTIVITY_ACTION ");

                // Don't bother checking if we have connectivity, NtpTrustedTime does that for us.

                Message message = mHandler.obtainMessage(EVENT_NETWORK_CHANGED);

                // Send with a short delay to make sure the network is ready for use

                mHandler.sendMessageDelayed(message, NETWORK_CHANGE_EVENT_DELAY_MS);

            }

        }

    };



    /** Handler to do the network accesses on */

    private class MyHandler extends Handler {
@@ -297,6 +281,21 @@ public class NetworkTimeUpdateService extends Binder { 
        }

    }



    private class NetworkTimeUpdateCallback extends NetworkCallback {

        @Override

        public void onAvailable(Network network) {

            Log.d(TAG, String.format("New default network %s; checking time.", network));

            mDefaultNetwork = network;

            // Running on mHandler so invoke directly.

            onPollNetworkTime(EVENT_NETWORK_CHANGED);

        }



        @Override

        public void onLost(Network network) {

            if (network.equals(mDefaultNetwork)) mDefaultNetwork = null;

        }

    }



    /** Observer to watch for changes to the AUTO_TIME setting */

    private static class SettingsObserver extends ContentObserver {