@Override
public Boolean call() throws Exception {
try {
PrintManager.PrintMessage(
this.getTaskId() + " Inserting Data of [" + fileSize + "] Bytes in Cassandra");
// cassandraClient.insertData(new ByteArray((int) fileSize));
return true;
} catch (Exception e) {
PrintManager.PrintException(e);
}
return false;
}
private void postTasks(String strFileName)
throws NumberFormatException, FileNotFoundException, InterruptedException {
stageLock.acquire();
Thread.currentThread().setPriority(8);
Semaphore objSemaphore = new Semaphore(0);
Set<Task> objects = null;
url = getUrl();
qu = new QueueDetails(REQUESTQ, RESPONSEQ, clientName, url);
PrintManager.PrintMessage("creating tasks");
objects = readFileAndMakeTasks(strFileName, clientName);
PrintManager.PrintProdMessage("Posting tasks started " + System.nanoTime());
TaskQueueFactory.getQueue().postTask(objSemaphore, objects, REQUESTQ, url, clientName);
String time = String.valueOf(System.nanoTime());
// check the mode of operation
// Get the already running workers
long numOfWorkers = WorkerMonitor.getNumOfWorkerThreads(hazelClinetObj);
PrintManager.PrintProdMessage("numOfWorkers " + numOfWorkers);
if (numOfWorkers == 0) {
numOfWorkers = 1;
}
long loopCount = objects.size() / (numberofWorkerThreads);
loopCount = loopCount == 0 ? 1 : loopCount;
PrintManager.PrintProdMessage("Number of Cleint Q Advertizements " + loopCount);
DistributedQueue queue = QueueFactory.getQueue();
objSemaphore.acquire();
for (int loopIndex = 0; loopIndex < loopCount; loopIndex++) {
queue.pushToQueue(qu);
}
PrintManager.PrintProdMessage("Cleint Q Advertizements done");
mapClientStatus.putIfAbsent(this.clientName + "," + STARTED, time);
// Start monitoring the Submitted Queue length for completion
new Thread(this).start();
// Start monitoring the Submitted Queue length for reporting
if (monitoringEnabled) {
PrintManager.PrintProdMessage("monitoringEnabled starting Clinet monitor");
new Thread(objClientMonior).start();
}
}
@Override
public void run() {
long startTime = System.currentTimeMillis();
long startMeasureTime = System.currentTimeMillis();
long currtime = startMeasureTime;
int counter = 0;
while (!submittedTasks.isEmpty()) {
currtime = System.currentTimeMillis();
if (currtime - startMeasureTime >= throughputpolltime) {
startMeasureTime = currtime;
PrintManager.PrintProdMessage("Recording throughput " + System.nanoTime() + " " + counter);
mapThroughPutStatus.putIfAbsent(
clientName + "," + System.nanoTime(), String.valueOf(counter));
counter = 0;
}
Task task = TaskQueueFactory.getQueue().retrieveTask(RESPONSEQ, url, clientName);
if (task != null) {
if (task.isMultiTask()) {
for (Task tasks : task.getTasks()) {
PrintManager.PrintMessage("Task[" + tasks.getTaskId() + "]completed");
submittedTasks.remove(tasks.getTaskId());
counter++;
}
} else {
PrintManager.PrintMessage("Task[" + task.getTaskId() + "]completed");
submittedTasks.remove(task.getTaskId());
counter++;
}
}
// Advertise tasks again after some time
if (System.currentTimeMillis() - startTime > pollTime) {
PrintManager.PrintProdMessage(
"PANIC !!! Queue Resubmistions by Client at " + System.nanoTime());
startTime = System.currentTimeMillis();
DistributedQueue queue = QueueFactory.getQueue();
queue.pushToQueue(qu);
}
}
if (monitoringEnabled) {
// Shutdown monitor
objClientMonior.setClientShutoff(true);
}
String time = String.valueOf(System.nanoTime());
String[] valFin = {clientName, String.valueOf(System.nanoTime()), FINISHED};
mapClientStatus.putIfAbsent(this.clientName + "," + FINISHED, time);
if (monitoringEnabled) {
cassandraClient.insertClientStatus(valFin);
try {
Thread.sleep(6000);
} catch (InterruptedException e) {
PrintManager.PrintException(e);
}
}
PrintManager.PrintProdMessage("Shutting down Client " + this.clientName + " at " + time);
// Shutdown hazel
hazelClinetObj.shutdown();
if (monitoringEnabled) {
cassandraClient.close();
}
PrintManager.PrintProdMessage("Lock status" + this.stageLock.hasQueuedThreads());
this.stageLock.release();
}