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Diffstat (limited to 'src/com/isode/stroke/streamstack/WhitespacePingLayer.java')
-rw-r--r-- | src/com/isode/stroke/streamstack/WhitespacePingLayer.java | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/com/isode/stroke/streamstack/WhitespacePingLayer.java b/src/com/isode/stroke/streamstack/WhitespacePingLayer.java new file mode 100644 index 0000000..09d3af8 --- /dev/null +++ b/src/com/isode/stroke/streamstack/WhitespacePingLayer.java @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2010 Remko Tron¨on + * Licensed under the GNU General Public License v3. + * See Documentation/Licenses/GPLv3.txt for more information. + */ +/* + * Copyright (c) 2011, Isode Limited, London, England. + * All rights reserved. + */ +package com.isode.stroke.streamstack; + +import com.isode.stroke.base.ByteArray; +import com.isode.stroke.network.Timer; +import com.isode.stroke.network.TimerFactory; +import com.isode.stroke.signals.Slot; + +public class WhitespacePingLayer extends StreamLayer { + + private static final int TIMEOUT_MILLISECONDS = 60000; + + public WhitespacePingLayer(TimerFactory timerFactory) { + isActive = false; + timer = timerFactory.createTimer(TIMEOUT_MILLISECONDS); + timer.onTick.connect(new Slot() { + public void call() { + handleTimerTick(); + } + }); + } + + public void writeData(ByteArray data) { + writeDataToChildLayer(data); + } + + public void handleDataRead(ByteArray data) { + writeDataToParentLayer(data); + } + + private void handleTimerTick() { + timer.stop(); + writeDataToChildLayer(new ByteArray(" ")); + timer.start(); + } + + public void setActive() { + isActive = true; + timer.start(); + } + + public void setInactive() { + timer.stop(); + isActive = false; + } + + public boolean getIsActive() { + return isActive; + } + + private boolean isActive; + private Timer timer; +} |