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exponential smoothing for I/O graph

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This commit is contained in:
Sebastian Stenzel
2015-10-28 16:40:50 +01:00
parent b404e52670
commit 5fefa3c6d4
1 changed files with 13 additions and 4 deletions
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17
main/ui/src/main/java/org/cryptomator/ui/controllers/UnlockedController.java
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@@ -146,10 +146,13 @@ public class UnlockedController extends AbstractFXMLViewController {
private class IoSamplingAnimationHandler implements EventHandler<ActionEvent> {
private static final double BYTES_TO_MEGABYTES_FACTOR = 1.0 / IO_SAMPLING_INTERVAL / 1024.0 / 1024.0;
private static final double SMOOTHING_FACTOR = 0.3;
private final CryptorIOSampling sampler;
private final Series<Number, Number> decryptedBytes;
private final Series<Number, Number> encryptedBytes;
private int step = 0;
private double oldDecBytes = 0;
private double oldEncBytes = 0;
public IoSamplingAnimationHandler(CryptorIOSampling sampler, Series<Number, Number> decryptedBytes, Series<Number, Number> encryptedBytes) {
this.sampler = sampler;
@@ -161,14 +164,20 @@ public class UnlockedController extends AbstractFXMLViewController {
public void handle(ActionEvent event) {
step++;
final double decryptedMb = sampler.pollDecryptedBytes(true) * BYTES_TO_MEGABYTES_FACTOR;
decryptedBytes.getData().add(new Data<Number, Number>(step, decryptedMb));
final double decBytes = sampler.pollDecryptedBytes(true);
final double smoothedDecBytes = oldDecBytes + SMOOTHING_FACTOR * (decBytes - oldDecBytes);
final double smoothedDecMb = smoothedDecBytes * BYTES_TO_MEGABYTES_FACTOR;
oldDecBytes = smoothedDecBytes;
decryptedBytes.getData().add(new Data<Number, Number>(step, smoothedDecMb));
if (decryptedBytes.getData().size() > IO_SAMPLING_STEPS) {
decryptedBytes.getData().remove(0);
}
final double encrypteddMb = sampler.pollEncryptedBytes(true) * BYTES_TO_MEGABYTES_FACTOR;
encryptedBytes.getData().add(new Data<Number, Number>(step, encrypteddMb));
final double encBytes = sampler.pollEncryptedBytes(true);
final double smoothedEncBytes = oldEncBytes + SMOOTHING_FACTOR * (encBytes - oldEncBytes);
final double smoothedEncMb = smoothedEncBytes * BYTES_TO_MEGABYTES_FACTOR;
oldEncBytes = smoothedEncBytes;
encryptedBytes.getData().add(new Data<Number, Number>(step, smoothedEncMb));
if (encryptedBytes.getData().size() > IO_SAMPLING_STEPS) {
encryptedBytes.getData().remove(0);
}