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/**
* Global Sensor Networks (GSN) Source Code
* Copyright (c) 2006-2016, Ecole Polytechnique Federale de Lausanne (EPFL)
*
* This file is part of GSN.
*
* GSN 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.
*
* GSN 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 GSN. If not, see output = new ArrayList < DataField >();
for ( int i = 0 ; i < FIELD_NAMES.length ; i++ ) {
output.add( new DataField( FIELD_NAMES[ i ] , FIELD_TYPES_STRING[ i ] , FIELD_DESCRIPTION[ i ] ) );
}
outputStructure = output.toArray( new DataField[] {} );
return true;
}
public void run ( ) {
try {
// setup the socket connection
xmlSocket = new Socket(host, port);
rd = new BufferedReader(new InputStreamReader(xmlSocket.getInputStream()));
} catch (IOException e){
logger.warn(" The xml socket connection is not set up.");
logger.warn(" Cannot read from xmlSocket. ");}
// s = "";
logger.info("Is Timestamp Unique: " + isTimeStampUnique());
while ( isActive( ) ) {
getxml = false;
try {
Thread.sleep(rate);
} catch (InterruptedException e) {
logger.error(e.getMessage(),e);
} // sleep
try { // try 1
char[] c = new char[6000];
// initialize this char[]
for (int j = 0; j < c.length; j++){
c[j] = 0;
}
try {
rd.read(c);
} catch (Exception e) {
// TODO: handle exception
logger.warn("** Read Exception **");
} // try read
for (int j = 0; j < c.length; j++){
s = s + c[j];
}
s = s.trim();
getxml = true;
while (getxml) {
getxml = false;
try{
indexS = s.indexOf("", (indexS+17));
}catch (Exception e){
logger.error( e.getMessage( ) , e );}
if ((indexS >= 0) && (indexE > indexS + 17)) {
bs = s.substring(indexS, indexE + 13);
processXmlString(bs);
getxml = true;
}
if (s.length() > (indexE + 13)) {
s = s.substring((indexE + 14));
}
else {
s = "";
}
}
} catch (Exception e) { // try 1
logger.error( e.getMessage( ) , e );}
} // while ( isActive( )
} // run()
// for GSNv2
public void dispose ( ) {
threadCounter--;
}
// for release 1249
public void finalize ( ) {
threadCounter--;
}
public String getWrapperName() {
return "eKoWrapper";
}
public DataField[] getOutputFormat ( ) {
return outputStructure;
}
public void processXmlString(String xmls) {
try {
Thread.sleep(5);
} catch (InterruptedException e) {
logger.error(e.getMessage(),e);
}
try { // try 4
logger.info("[Try 4] xmls: "+ xmls);
//logger.info("getxml : "+ getxml);
// Create instance of DocumentBuilderFactory
domfac = DocumentBuilderFactory.newInstance();
try { // try 3
// Get the DocumentBuilder
dombuilder = domfac.newDocumentBuilder();
} catch (ParserConfigurationException e){ // try 3
logger.info(e.getMessage( ) , e );
}
try { // try 2
// Create instance of input source
ins = new InputSource();
// Initialize this input source as xmls
ins.setCharacterStream(new StringReader(xmls));
// Pass xmls stream to XML Parser
doc = dombuilder.parse(ins);
} catch (SAXException e){ // try 2
logger.info(e.getMessage( ) , e );
} catch (NullPointerException e){
logger.info(e.getMessage( ) , e );}
// Get the root element of XML packet
Element root = doc.getDocumentElement();
// Get the first level Node list
NodeList fields = root.getChildNodes();
// Get all fields' name
// start of second layer for 3
// Element 0 is eN2100 Internal Sensors
packetName = fields.item(0).getTextContent();
/* The remaining elements are in the form:
*
* nodeId
* nodeid // only some element and not used here.
* 2
* uint16
*
*/
// Reset sensor values
batteryV = null;
solarV = null;
enTemp = null;
soilMoisture = null;
soilTemp = null;
EtDp = null;
EtVWC = null;
EtEc = null;
EtTemp = null;
es1201Temp = null;
es1201Humidity = null;
es1201Dp = null;
for(int i=1; i
* 2 // only in eN2100
* 1
* eN2100_internal_sensor_results
*
*/
sensorTable = null;
if (amType.equals(11)) {
Element internal_field = (Element)fields.item(fields.getLength() - 1);
Element sensorTableEle=(Element)internal_field.getElementsByTagName("sensorTable").item(0);
sensorTable = sensorTableEle.getTextContent();
}
// end of second layer for 3
logger.info("amType: " +amType +" Node ID: " + nodeid + " Packet Name " + packetName );
try { // try 1
streamEle = new StreamElement( FIELD_NAMES , FIELD_TYPES , new Serializable [ ] { amType, nodeid, packetName,
batteryV, solarV, enTemp,
soilMoisture, soilTemp,
es1201Temp, es1201Humidity, es1201Dp,
EtDp, EtVWC, EtEc, EtTemp,
sensorTable } );
postStreamElement (streamEle);
}catch (Exception e){ // try 1
logger.info(e.getMessage( ) , e );}
}catch (Exception e) { // try 4
logger.error( e.getMessage( ) , e );}
}
public boolean isTimeStampUnique() {
return false;
}
}