/** @param args */
public static void main(String[] args) {
int[] arr = {1, 3, 7, 8};
int i;
Integer element;
Stack<Integer> stack = new Stack();
for (i = 0; i < arr.length; i++) {
stack.push(new Integer(arr[i]));
}
System.out.println("Stack: " + stack);
try {
while (true) {
element = stack.pop();
System.out.println("Popped: " + element);
System.out.println("New stack: " + stack);
}
} catch (EmptyStackException e) {
System.out.println(e.getMessage());
}
}
/**
* Task execution code: <br>
* ---------- <br>
* Performed operations: <br>
*
* <ul type="disc">
* <li>Add alarm to position strings, if necessary;
* <li>Send string;
* <li>Check the number of sent strings.
* </ul>
*/
public void run() {
list = new BCListenerCustom();
list.addInfoStato(infoS);
BearerControl.addListener(list);
while (!infoS.isCloseUDPSocketTask()) {
// if(false){
if ((infoS.getInfoFileString(TrkState).equals("ON")
|| (infoS.getInfoFileString(TrkState)).equalsIgnoreCase("ON,FMS"))
&& infoS.getInfoFileString(GPRSProtocol).equals("UDP")
&& ((infoS.getInfoFileInt(TrkIN) != infoS.getInfoFileInt(TrkOUT))
|| !infoS.getDataRAM().equals(""))) {
exitTRKON = false;
try {
// Indicates if GPRS SOCKET is ACTIVE
// System.out.println("TT*UDPSocketTask: START");
infoS.setIfsocketAttivo(true);
destAddressUDP =
"datagram://"
+ infoS.getInfoFileString(DestHost)
+ ":"
+ infoS.getInfoFileString(DestPort);
/*
* Once this task has been started, it is completely
* finished before proceeding to a re-use, even if the
* timeout expires (so there may be a FIX GPRS timeout
* expired!)
*/
try {
try {
while (!InfoStato.getCoda()) Thread.sleep(1L);
} catch (InterruptedException e) {
}
if (infoS.getInfoFileInt(TrkIN) == infoS.getInfoFileInt(TrkOUT)) {
outText = infoS.getDataRAM();
ram = true;
} else {
ram = false;
temp = infoS.getInfoFileInt("TrkOUT");
System.out.println("TT*UDPSocketTask: pointer out - " + temp);
if ((temp >= codaSize) || (temp < 0)) temp = 0;
outText = infoS.getRecord(temp);
new LogError("TT*UDPSocketTask: pointer out - " + temp + " " + outText);
System.out.println("TT*UDPSocketTask: data in queue: " + outText);
}
System.out.println("TT*UDPSocketTask: string to send through GPRS:\r\n" + this.outText);
ctrlSpeed = infoS.getSpeedForTrk();
if (debug_speed) {
ctrlSpeed = infoS.getSpeedGree();
System.out.println("SPEED " + ctrlSpeed);
}
try {
val_insensibgps = Integer.parseInt(infoS.getInfoFileString(InsensibilitaGPS));
} catch (NumberFormatException e) {
val_insensibgps = 0;
}
// new LogError("Actual speed: " + ctrlSpeed + ". Val insens: " + val_insensibgps);
if (ram) {
// System.out.println("ACTUAL SPEED: " + this.ctrlSpeed);
// System.out.println("outText.indexOf(ALARM) " + (this.outText.indexOf("ALARM") >
// 0));
// System.out.println("outText.indexOf(ALIVE) " + (this.outText.indexOf("ALIVE") >
// 0));
// System.out.println("SPEED LIMIT: " + this.val_insensibgps);
// System.out.println("PREVIOUS MESSAGE IS ALIVE: " + this.infoS.getPreAlive());
// System.out.println("SPEED LIMIT: " + this.val_insensibgps);
// System.out.println("PREVIOUS SPEED: " + this.infoS.getPreSpeedDFS());
if (this.ctrlSpeed > this.val_insensibgps) {
System.out.println("Speed check ok.");
infoS.settrasmetti(true);
if (this.infoS.getInvioStop()) {
infoS.setApriGPRS(true);
}
infoS.setInvioStop(false);
} else {
if ((outText.indexOf("ALARM") > 0) || (outText.indexOf("ALIVE") > 0)) {
System.out.println("Alarm");
infoS.settrasmetti(true);
infoS.setApriGPRS(true);
} else {
if ((!infoS.getPreAlive())
&& (ctrlSpeed <= val_insensibgps)
&& (infoS.getPreSpeedDFS() > val_insensibgps)) {
System.out.println(
"Speed check less then insensitivity, previous speed is greater");
infoS.settrasmetti(true);
if (infoS.getInvioStop() == true) {
infoS.setApriGPRS(true);
}
infoS.setInvioStop(false);
} else {
System.out.println("Speed check failed.");
if (infoS.getInvioStop() == false) {
System.out.println("Send stop coordinate.");
infoS.settrasmetti(true);
infoS.setInvioStop(true);
infoS.setChiudiGPRS(true);
// new LogError("Send stop.");
}
}
}
}
if (this.outText.indexOf("ALIVE") > 0) {
System.out.println("ALIVE MESSAGE");
infoS.setPreAlive(true);
} else {
infoS.setPreAlive(false);
System.out.println("NO ALIVE MESSAGE");
}
} else {
// new LogError("From store.");
infoS.settrasmetti(true);
infoS.setChiudiGPRS(false);
}
// new LogError("Transmission status: " + infoS.gettrasmetti());
if (infoS.gettrasmetti() == true) {
infoS.settrasmetti(false);
if (infoS.getApriGPRS() == true) {
close = false;
infoS.setTRKstate(true);
try {
semAT.getCoin(5);
infoS.setATexec(true);
mbox2.write("at^smong\r");
while (infoS.getATexec()) {
Thread.sleep(whileSleep);
}
infoS.setATexec(true);
mbox2.write("at+cgatt=1\r");
while (infoS.getATexec()) {
Thread.sleep(whileSleep);
}
semAT.putCoin();
} catch (Exception e) {
}
// Open GPRS Channel
try {
udpConn = (UDPDatagramConnection) Connector.open(destAddressUDP);
} catch (Exception e) {
System.out.println("TT*UDPSocketTask: Connector.open");
}
infoS.setApriGPRS(false);
}
try {
// mem2 = r.freeMemory();
// System.out.println("Free memory after allocation: " + mem2);
if ((outText == null) || (outText.indexOf("null") >= 0)) {
outText =
infoS.getInfoFileString(Header)
+ ","
+ infoS.getInfoFileString(IDtraker)
+ defaultGPS
+ ",<ERROR>*00";
buff = outText.getBytes();
}
System.out.println("OPEN DATAGRAM");
System.out.println(outText);
dgram = udpConn.newDatagram(outText.length());
buff = new byte[outText.length()];
System.out.println("SEND DATAGRAM");
buff = outText.getBytes();
new LogError("outText = " + outText);
dgram.setData(buff, 0, buff.length);
udpConn.send(dgram);
int gprsCount = 0;
answer = "";
String ack = infoS.getInfoFileString(Ackn);
if (!infoS.getInfoFileString(Ackn).equals("")) {
while (true) {
dgram.reset();
dgram.setLength(infoS.getInfoFileString(Ackn).length() + 1);
udpConn.receive(dgram);
byte[] data = dgram.getData();
answer = new String(data);
answer = answer.substring(0, ack.length());
if (debug) {
System.out.println("ACK: " + answer);
}
if (answer.equals(ack)) {
new LogError("ACK");
if (debug) System.out.println("ACK RECEIVED");
break;
} else {
if (debug) System.out.println("WAITING ACK");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
gprsCount++;
}
if (gprsCount > 15) {
new LogError("NACK");
infoS.setReboot();
errorSent = true;
break;
}
}
}
} catch (Exception err) {
System.out.println("TT*UDPSocketTask: Exception err");
new LogError("TT*UDPSocketTask: Exception during out text" + err.getMessage());
infoS.setReboot();
errorSent = true;
break;
}
// new LogError(outText);
if (debug) System.out.println(outText);
if (infoS.getChiudiGPRS() == true) {
infoS.setTRKstate(false);
try {
System.out.println("TT*UDPSocketTask: close UDP");
udpConn.close();
} catch (NullPointerException e) {
infoS.setChiudiGPRS(false);
}
infoS.setChiudiGPRS(false);
}
}
System.out.println("BEARER: " + infoS.getGprsState());
if (!infoS.getGprsState()) {
errorSent = true;
System.out.println("BEARER ERROR");
new LogError("BEARER ERROR");
}
if (ram) {
if (!errorSent) {
infoS.setDataRAM("");
}
} else {
if (!errorSent) {
temp++;
if (temp >= codaSize || temp < 0) temp = 0;
infoS.setInfoFileInt(TrkOUT, "" + temp);
file.setImpostazione(TrkOUT, "" + temp);
InfoStato.getFile();
file.writeSettings();
InfoStato.freeFile();
}
errorSent = false;
}
InfoStato.freeCoda();
infoS.setIfsocketAttivo(false);
Thread.sleep(100);
if (errorSent) {
close = true;
semAT.putCoin(); // release AT interface
infoS.setIfsocketAttivo(false);
infoS.setApriGPRS(false);
infoS.setChiudiGPRS(false);
}
// r.gc(); // request garbage collection
// mem2 = r.freeMemory();
// System.out.println("Free memory after collecting" + " discarded Integers: " + mem2);
} catch (IOException e) {
close = true;
String msgExcept = e.getMessage();
System.out.println("TT*UDPSocketTask: exception: " + msgExcept);
// new LogError("SocketGPRStask IOException: " + e);
infoS.setIfsocketAttivo(false);
infoS.setApriGPRS(false);
infoS.setChiudiGPRS(false);
} catch (EmptyStackException e) {
close = true;
// System.out.println("exception: " + e.getMessage());
e.printStackTrace();
// new LogError("SocketGPRStask EmptyStackException");
infoS.setIfsocketAttivo(false);
infoS.setApriGPRS(false);
infoS.setChiudiGPRS(false);
} // catch
} catch (Exception e) {
close = true;
// new LogError("SocketGPRSTask generic Exception");
infoS.setIfsocketAttivo(false);
infoS.setApriGPRS(false);
infoS.setChiudiGPRS(false);
}
if (close) {
try {
semAT.getCoin(5);
infoS.setATexec(true);
mbox2.write("at^smong\r");
while (infoS.getATexec()) {
Thread.sleep(whileSleep);
}
semAT.putCoin();
} catch (Exception e) {
}
try {
// System.out.println("***************CLOSE******************");
try {
udpConn.close();
} catch (NullPointerException e) {
}
// System.out.println("***************CLOSED******************");
infoS.setTRKstate(false);
infoS.setEnableCSD(true);
semAT.getCoin(5);
// Close GPRS channel
// System.out.println("SocketGPRSTask: KILL GPRS");
infoS.setATexec(true);
mbox2.write("at+cgatt=0\r");
while (infoS.getATexec()) {
Thread.sleep(whileSleep);
}
semAT.putCoin();
Thread.sleep(5000);
} catch (InterruptedException e) {
} catch (IOException e) {
} catch (Exception e) {
}
System.out.println("WAIT - DISCONNECT GPRS");
for (countDownException = 0; countDownException < 100; countDownException++) {
if (infoS.isCloseUDPSocketTask()) break;
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
}
infoS.setApriGPRS(true);
}
} else {
try {
if (infoS.getInfoFileString(TrkState).equals("OFF")) {
infoS.setTRKstate(false);
infoS.setEnableCSD(true);
semAT.putCoin(); // release AT interface
try {
semAT.getCoin(5);
// Close GPRS channel
// System.out.println("SocketGPRSTask: TRK OFF KILL GPRS");
infoS.setATexec(true);
mbox2.write("at+cgatt=0\r");
while (infoS.getATexec()) {
Thread.sleep(whileSleep);
}
semAT.putCoin();
} catch (InterruptedException e) {
}
}
Thread.sleep(2000);
} catch (InterruptedException e) {
}
}
} // while
} // run