/*
*
* Goko
* Copyright (C) 2013 PsyKo
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.goko.tools.serial.jssc.service;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.goko.core.common.GkUtils;
import org.goko.core.common.exception.GkException;
import org.goko.core.log.GkLog;
import jssc.SerialPortEvent;
import jssc.SerialPortEventListener;
import jssc.SerialPortException;
public class JsscSerialListenerDeamon implements Runnable, SerialPortEventListener{
/** LOG */
private static final GkLog LOG = GkLog.getLogger(JsscSerialListenerDeamon.class);
/** Outgoing queue */
private BlockingQueue<List<Byte>> queue;
/** The service holding the serial port */
private JsscSerialConnectionService jsscService;
/** Stop indicator */
private boolean stopped;
public JsscSerialListenerDeamon(JsscSerialConnectionService jsscService) {
this.queue = new LinkedBlockingQueue<List<Byte>>();
this.jsscService = jsscService;
}
public void addAll(String buffer){
queue.add(GkUtils.toBytesList(buffer));
}
@Override
public void serialEvent(SerialPortEvent serialPortEvent) {
if(serialPortEvent.isRXCHAR() && serialPortEvent.getEventValue() > 0){ // Data available
int dataAvailableCount = serialPortEvent.getEventValue();
try {
byte buffer[] = jsscService.getSerialPort().readBytes(dataAvailableCount);
if(buffer != null && buffer.length > 0){
queue.add( GkUtils.toBytesList(buffer));
}
} catch (SerialPortException e) {
LOG.error(e);
}
}else if(serialPortEvent.isERR()){
LOG.error(serialPortEvent.toString() + " error : " +serialPortEvent.getEventValue());
try {
jsscService.disconnect();
} catch (GkException e) {
LOG.error(e);
}
}
}
/** (inheritDoc)
* @see java.lang.Runnable#run()
*/
@Override
public void run() {
List<Byte> notifiedBuffer = new ArrayList<Byte>();
while(!stopped){
try {
notifiedBuffer = queue.take();
jsscService.notifyInputListeners(notifiedBuffer);
} catch (InterruptedException e) {
LOG.error(e);
}
}
}
public void stop(){
stopped = true;
}
}