private async Task OnBinaryMessageReceived(WebSocketHandler handler, byte[] bytes, string conversationId, string watermark)
{
int musicId = BitConverter.ToInt32(bytes, 0);
int startIdx = BitConverter.ToInt32(bytes, sizeof(int));
Trace.TraceInformation(String.Format("get id {0}", musicId));
Trace.TraceInformation(String.Format("start from {0}", startIdx));
Uri uri = new Uri(baseURL + String.Format("{0}.wav", musicId));
CloudFile file = new CloudFile(uri, storageCredentials);
Trace.TraceInformation(uri.AbsoluteUri);
byte[] totalBytes = new byte[file.Properties.Length];
try
{
using (AutoResetEvent waitHandle = new AutoResetEvent(false))
{
ICancellableAsyncResult result = file.BeginDownloadRangeToByteArray(totalBytes, 0, null, null, ar => waitHandle.Set(), null);
waitHandle.WaitOne();
}
} catch (Exception ex)
{
Trace.TraceError(ex.ToString());
}
Trace.TraceInformation(String.Format("File length {0}", totalBytes.Length));
totalBytes = totalBytes.Skip(startIdx).ToArray();
await handler.SendBinary(totalBytes, cts.Token);
}
