public static synchronized void updateByteCount(long in, long out) {
long lastIn = mlastByteCount[0];
long lastOut = mlastByteCount[1];
long diffIn = mlastByteCount[2] = in - lastIn;
long diffOut = mlastByteCount[3] = out - lastOut;
mlastByteCount = new long[] {in, out, diffIn, diffOut};
for (ByteCountListener bcl : byteCountListener) {
bcl.updateByteCount(in, out, diffIn, diffOut);
}
}
public static synchronized void addByteCountListener(ByteCountListener bcl) {
bcl.updateByteCount(mlastByteCount[0], mlastByteCount[1], mlastByteCount[2], mlastByteCount[3]);
byteCountListener.add(bcl);
}