void reset() {
Log.d(TAG, "reset EMABudgeter");
resetMinTimes();
resetBudgets();
// reset the budgets at 4am
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
int hour=0;
do {
cal.roll(Calendar.HOUR_OF_DAY, true);
hour = cal.get(Calendar.HOUR_OF_DAY);
if (hour == 0) {
cal.roll(Calendar.DAY_OF_YEAR, true);
}
} while (hour != EMABudgeter.RESET_BUDGET_HOUR);
timeToReset = cal.getTimeInMillis();
String s = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(cal.getTime());
Log.d(TAG, "timeToReset = " + s);
}
void updateBudget(String itemDesc, long timestamp) {
if (timeToReset == 0 || timeToReset <= timestamp) {
Log.d(TAG, "Resetting budgeter");
reset();
}
remainingItemBudget.put(itemDesc, remainingItemBudget.get(itemDesc) - 1);
remainingBudget--;
lastTime = timestamp;
Log.d(TAG, "Updating budget for " + itemDesc + " to " + remainingItemBudget.get(itemDesc));
Log.d(TAG, "Updating total remaining budget to " + remainingBudget);
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
Log.d(TAG, "adusting for screen resolution (" + width + ", " + height + ")");
pixelWidth = width;
pixelHeight = height;
resetWindowWidths();
}
public void receiveBuffer(int sensorID, int[] buffer, long[] timestamps,
int startNewData, int endNewData) {
if (Log.DEBUG) Log.d("FeatureCalculation", "sensor ID = " + sensorID);
if (active) {
if (mapping!=null && !mapping.isEmpty()) {
if (featureRunner== null || !featureRunner.isAlive()) {
Log.d("FeatureCalculation","Init FeatureRunner");
featureRunner = FeatureRunner.getInstance();
featureRunner.start();
}
featureRunner.addBuffer(new FeatureData(sensorID,buffer,timestamps));
}
}
}
void resetBudgets() {
Log.d(TAG, "reseting budgets to initial amounts");
remainingItemBudget.clear();
Set<String> keys = totalItemBudget.keySet();
for (String key : keys) {
remainingItemBudget.put(key, totalItemBudget.get(key));
}
remainingBudget = totalBudget;
}
public void finalize() {
active = false;
INSTANCE = null;
SensorBus.getInstance().unsubscribe(this);
if(featureRunner!= null && featureRunner.isAlive()) {
featureRunner.stop();
}
featureRunner= null;
Log.d(TAG, "Destroyed FeatureCalculation");
}
boolean checkBudget(String itemDesc) {
long now = System.currentTimeMillis();
if (timeToReset == 0 || timeToReset <= now) {
Log.d(TAG, "Resetting budgeter");
reset();
}
int itemBudget = 0;
if (remainingItemBudget.containsKey(itemDesc)) {
itemBudget = remainingItemBudget.get(itemDesc);
}
boolean pass = itemBudget > 0 && now > lastTime + minTimeBeforeNext && remainingBudget > 0;
if (pass)
Log.d(TAG, "budget check passed - can trigger " + itemDesc + " EMA");
else
Log.d(TAG, "budget check failed - cannot trigger " + itemDesc + " EMA");
return pass;
}
void removeItem(String itemDesc) {
Log.d(TAG, "Removing " + itemDesc);
remainingItemBudget.remove(itemDesc);
totalItemBudget.remove(itemDesc);
}
void addOrUpdateItem(String itemDesc, int budget) {
Log.d(TAG, "Adding " + itemDesc + " with budget of " + budget);
this.totalItemBudget.put(itemDesc, budget);
this.remainingItemBudget.put(itemDesc, budget);
}
void setMinTimeBeforeNext(long minTimeBeforeNext) {
Log.d(TAG, "At least " + minTimeBeforeNext + "ms before next EMA");
this.minTimeBeforeNext = minTimeBeforeNext;
}
void setTotalBudget(int totalBudget) {
Log.d(TAG, "Total EMA budget set to " + totalBudget);
this.totalBudget = totalBudget;
remainingBudget = totalBudget;
}
public void loadChargesFromDB() {
dataLogger = null;
// this is for loading and saving to db
// only works with the db for now
File root = Environment.getExternalStorageDirectory();
if (Constants.LOGTODB) {
dataLogger = DatabaseLogger.getInstance(this);
}
else {
return;
}
try {
Cursor c = dataLogger.readEMA(0, System.currentTimeMillis());
if (c!=null) {
if (c.moveToFirst()) {
do {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
int hour=0;
do {
cal.roll(Calendar.HOUR_OF_DAY, false);
hour = cal.get(Calendar.HOUR_OF_DAY);
if (hour == 23) {
cal.roll(Calendar.DAY_OF_YEAR, false);
}
} while (hour != EMABudgeter.RESET_BUDGET_HOUR);
long lastResetTime = cal.getTimeInMillis();
// int trigger = c.getInt(c.getColumnIndex("trigger_type"));
// if (trigger == EMALogConstants.TYPE_CONTEXT_CHANGE || trigger == EMALogConstants.TYPE_CONTEXT_TIME || trigger == EMALogConstants.TYPE_INTERRUPTED_BY_CONTEXT_CHANGE || trigger == EMALogConstants.TYPE_INTERRUPTED_BY_CONTEXT_TIME) {
long timestamp = c.getLong(c.getColumnIndex("prompt_timestamp"));
if (timestamp > lastResetTime) {
String models = c.getString(c.getColumnIndex("context"));
long now = System.currentTimeMillis();
String[] modelsArray = models.split(" ");
if (modelsArray.length == 1) {
updateBudget("other", now);
}
else {
updateBudget(modelsArray[0], now);
}
}
} while (c.moveToNext());
}
c.close();
}
} catch (Exception e) {
if (Log.DEBUG) Log.d("StressInferenceIncentiveManager", e.getLocalizedMessage());
}
Log.d(TAG, "Loaded budgets from DB");
dataLogger = null;
DatabaseLogger.releaseInstance(this);
}
void resetMinTimes() {
Log.d(TAG, "reset time since last EMA");
lastTime = 0;
}
void removeAllItems() {
Log.d(TAG, "removing all items from budget");
remainingItemBudget.clear();
totalItemBudget.clear();
}