use of org.libresonic.player.domain.TransferStatus in project libresonic by Libresonic.
the class StatusChartController method handleRequest.
@RequestMapping(method = RequestMethod.GET)
public synchronized ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
String type = request.getParameter("type");
int index = Integer.parseInt(request.getParameter("index"));
List<TransferStatus> statuses = Collections.emptyList();
if ("stream".equals(type)) {
statuses = statusService.getAllStreamStatuses();
} else if ("download".equals(type)) {
statuses = statusService.getAllDownloadStatuses();
} else if ("upload".equals(type)) {
statuses = statusService.getAllUploadStatuses();
}
if (index < 0 || index >= statuses.size()) {
return null;
}
TransferStatus status = statuses.get(index);
TimeSeries series = new TimeSeries("Kbps", Millisecond.class);
TransferStatus.SampleHistory history = status.getHistory();
long to = System.currentTimeMillis();
long from = to - status.getHistoryLengthMillis();
Range range = new DateRange(from, to);
if (!history.isEmpty()) {
TransferStatus.Sample previous = history.get(0);
for (int i = 1; i < history.size(); i++) {
TransferStatus.Sample sample = history.get(i);
long elapsedTimeMilis = sample.getTimestamp() - previous.getTimestamp();
long bytesStreamed = Math.max(0L, sample.getBytesTransfered() - previous.getBytesTransfered());
double kbps = (8.0 * bytesStreamed / 1024.0) / (elapsedTimeMilis / 1000.0);
series.addOrUpdate(new Millisecond(new Date(sample.getTimestamp())), kbps);
previous = sample;
}
}
// Compute moving average.
series = MovingAverage.createMovingAverage(series, "Kbps", 20000, 5000);
// Find min and max values.
double min = 100;
double max = 250;
for (Object obj : series.getItems()) {
TimeSeriesDataItem item = (TimeSeriesDataItem) obj;
double value = item.getValue().doubleValue();
if (item.getPeriod().getFirstMillisecond() > from) {
min = Math.min(min, value);
max = Math.max(max, value);
}
}
// Add 10% to max value.
max *= 1.1D;
// Subtract 10% from min value.
min *= 0.9D;
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(series);
JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
Paint background = new GradientPaint(0, 0, Color.lightGray, 0, IMAGE_HEIGHT, Color.white);
plot.setBackgroundPaint(background);
XYItemRenderer renderer = plot.getRendererForDataset(dataset);
renderer.setSeriesPaint(0, Color.blue.darker());
renderer.setSeriesStroke(0, new BasicStroke(2f));
// Set theme-specific colors.
Color bgColor = getBackground(request);
Color fgColor = getForeground(request);
chart.setBackgroundPaint(bgColor);
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setRange(range);
domainAxis.setTickLabelPaint(fgColor);
domainAxis.setTickMarkPaint(fgColor);
domainAxis.setAxisLinePaint(fgColor);
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setRange(new Range(min, max));
rangeAxis.setTickLabelPaint(fgColor);
rangeAxis.setTickMarkPaint(fgColor);
rangeAxis.setAxisLinePaint(fgColor);
ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, IMAGE_WIDTH, IMAGE_HEIGHT);
return null;
}
use of org.libresonic.player.domain.TransferStatus in project libresonic by Libresonic.
the class TransferService method getUploadInfo.
/**
* Returns info about any ongoing upload within the current session.
* @return Info about ongoing upload.
*/
public UploadInfo getUploadInfo() {
HttpSession session = WebContextFactory.get().getSession();
TransferStatus status = (TransferStatus) session.getAttribute(UploadController.UPLOAD_STATUS);
if (status != null) {
return new UploadInfo(status.getBytesTransfered(), status.getBytesTotal());
}
return new UploadInfo(0L, 0L);
}
use of org.libresonic.player.domain.TransferStatus in project libresonic by Libresonic.
the class StatusService method getPlayStatuses.
public synchronized List<PlayStatus> getPlayStatuses() {
Map<String, PlayStatus> result = new LinkedHashMap<String, PlayStatus>();
for (PlayStatus remotePlay : remotePlays) {
if (!remotePlay.isExpired()) {
result.put(remotePlay.getPlayer().getId(), remotePlay);
}
}
List<TransferStatus> statuses = new ArrayList<TransferStatus>();
statuses.addAll(inactiveStreamStatuses.values());
statuses.addAll(streamStatuses);
for (TransferStatus streamStatus : statuses) {
Player player = streamStatus.getPlayer();
File file = streamStatus.getFile();
if (file == null) {
continue;
}
MediaFile mediaFile = mediaFileService.getMediaFile(file);
if (player == null || mediaFile == null) {
continue;
}
Date time = new Date(System.currentTimeMillis() - streamStatus.getMillisSinceLastUpdate());
result.put(player.getId(), new PlayStatus(mediaFile, player, time));
}
return new ArrayList<PlayStatus>(result.values());
}
use of org.libresonic.player.domain.TransferStatus in project libresonic by Libresonic.
the class StatusService method createStatus.
private synchronized TransferStatus createStatus(Player player, List<TransferStatus> statusList) {
TransferStatus status = new TransferStatus();
status.setPlayer(player);
statusList.add(status);
return status;
}
use of org.libresonic.player.domain.TransferStatus in project libresonic by Libresonic.
the class StatusService method getAllStreamStatuses.
public synchronized List<TransferStatus> getAllStreamStatuses() {
List<TransferStatus> result = new ArrayList<TransferStatus>(streamStatuses);
// Add inactive status for those players that have no active status.
Set<String> activePlayers = new HashSet<String>();
for (TransferStatus status : streamStatuses) {
activePlayers.add(status.getPlayer().getId());
}
for (Map.Entry<String, TransferStatus> entry : inactiveStreamStatuses.entrySet()) {
if (!activePlayers.contains(entry.getKey())) {
result.add(entry.getValue());
}
}
return result;
}
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