/**
* The call() method that broadcast intents before the measurement starts and after the
* measurement finishes.
*/
@Override
public MeasurementResult[] call() throws MeasurementError {
MeasurementResult[] results = null;
PhoneUtils phoneUtils = PhoneUtils.getPhoneUtils();
try {
phoneUtils.acquireWakeLock();
broadcastMeasurementStart();
contextCollector.setInterval(realTask.getDescription().contextIntervalSec);
contextCollector.startCollector();
results = realTask.call();
ArrayList<HashMap<String, String>> contextResults = contextCollector.stopCollector();
for (MeasurementResult r : results) {
r.addContextResults(contextResults);
r.getDeviceProperty().dnResolvability = contextCollector.dnsConnectivity;
r.getDeviceProperty().ipConnectivity = contextCollector.ipConnectivity;
}
} catch (MeasurementError e) {
Logger.e("User measurement " + realTask.getDescriptor() + " has failed");
Logger.e(e.getMessage());
results = MeasurementResult.getFailureResult(realTask, e);
} catch (Exception e) {
Logger.e("User measurement " + realTask.getDescriptor() + " has failed");
Logger.e("Unexpected Exception: " + e.getMessage());
results = MeasurementResult.getFailureResult(realTask, e);
} finally {
broadcastMeasurementEnd(results);
MeasurementTask currentTask = scheduler.getCurrentTask();
if (currentTask != null && currentTask.equals(realTask)) {
scheduler.setCurrentTask(null);
}
phoneUtils.releaseWakeLock();
}
return results;
}
private void doCheckin() {
Logger.i("doCheckin() called");
scheduler = parent.getScheduler();
if (scheduler != null) {
lastCheckinTimeText.setText("Checking in...");
scheduler.handleCheckin(true);
}
}
/** Notify the scheduler that this task is started */
private void broadcastMeasurementStart() {
Intent intent = new Intent();
intent.setAction(UpdateIntent.MEASUREMENT_PROGRESS_UPDATE_ACTION);
intent.putExtra(UpdateIntent.TASK_PRIORITY_PAYLOAD, MeasurementTask.USER_PRIORITY);
intent.putExtra(UpdateIntent.TASK_STATUS_PAYLOAD, Config.TASK_STARTED);
intent.putExtra(UpdateIntent.TASKID_PAYLOAD, realTask.getTaskId());
intent.putExtra(UpdateIntent.CLIENTKEY_PAYLOAD, realTask.getKey());
scheduler.sendBroadcast(intent);
}
private void updateLastCheckinTime() {
Logger.i("updateLastCheckinTime() called");
scheduler = parent.getScheduler();
if (scheduler != null) {
Date lastCheckin = scheduler.getLastCheckinTime();
if (lastCheckin != null) {
lastCheckinTimeText.setText("Last checkin " + lastCheckin);
} else {
lastCheckinTimeText.setText("No checkins yet");
}
}
}
private void updateConsole() {
Logger.i("updateConsole() called");
scheduler = parent.getScheduler();
if (scheduler != null) {
AbstractCollection<MeasurementTask> tasks = scheduler.getTaskQueue();
consoleContent.clear();
taskMap.clear();
for (MeasurementTask task : tasks) {
String taskStr = task.toString();
consoleContent.add(taskStr);
taskMap.put(taskStr, task.getDescription().key);
}
}
updateLastCheckinTime();
}
/**
* Notify the scheduler that this task is finished executing. The result can be completed, paused
* or failed due to exception
*
* @param results Results of the task
*/
private void broadcastMeasurementEnd(MeasurementResult[] results) {
Intent intent = new Intent();
intent.setAction(UpdateIntent.MEASUREMENT_PROGRESS_UPDATE_ACTION);
// TODO fixed one value priority for all users task?
intent.putExtra(UpdateIntent.TASK_PRIORITY_PAYLOAD, MeasurementTask.USER_PRIORITY);
intent.putExtra(UpdateIntent.TASKID_PAYLOAD, realTask.getTaskId());
intent.putExtra(UpdateIntent.CLIENTKEY_PAYLOAD, realTask.getKey());
if (results != null) {
// TODO only single task can be paused
if (results[0].getTaskProgress() == TaskProgress.PAUSED) {
intent.putExtra(UpdateIntent.TASK_STATUS_PAYLOAD, Config.TASK_PAUSED);
} else {
intent.putExtra(UpdateIntent.TASK_STATUS_PAYLOAD, Config.TASK_FINISHED);
intent.putExtra(UpdateIntent.RESULT_PAYLOAD, results);
}
scheduler.sendBroadcast(intent);
}
}
/** Handles the deletion of the measurement tasks when the user clicks the context menu */
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
switch (item.getItemId()) {
case R.id.ctxMenuDeleteTask:
scheduler = parent.getScheduler();
if (scheduler != null) {
String selectedTaskString = consoleContent.getItem(longClickedItemPosition);
String taskKey = taskMap.get(selectedTaskString);
if (taskKey != null) {
scheduler.removeTaskByKey(taskKey);
}
}
updateConsole();
return true;
default:
}
return false;
}
