private async Task <WebCastData> GetStreamInfo(WebSocket webSocket, CancellationToken cancellation)
{
while (webSocket.IsConnected && !cancellation.IsCancellationRequested)
{
WebSocketMessageReadStream message = await webSocket.ReadMessageAsync(cancellation).ConfigureAwait(false);
if (message == null)
{
continue;
}
if (message.MessageType != WebSocketMessageType.Text)
{
throw new Exception("Hello must be said");
}
string messageContent;
using (StreamReader streamReader = new StreamReader(message, Encoding.UTF8))
{
messageContent = await streamReader.ReadToEndAsync();
}
WebCastMessage webCastMessage = messageContent.FromJson <WebCastMessage>();
if (webCastMessage.Type == "hello")
{
WebCastMessage helloMessage = webCastMessage;
_logger.Debug($"Mount point: {webSocket.HttpRequest.RequestUri}");
_logger.Debug($"MIME type: {webCastMessage.Data.Mime}");
_logger.Debug($"Audio channels: {webCastMessage.Data.Audio.Channels}");
if (webCastMessage.Data.Mime == "audio/mpeg")
{
_logger.Debug($"Audio bitrate: {webCastMessage.Data.Audio.BitRate}");
}
helloMessage.Data.MountPoint = Regex.Replace(webSocket.HttpRequest.RequestUri.OriginalString, @"^/", string.Empty);
return(helloMessage.Data);
}
break;
}
_logger.Error("Say hello first!");
throw new Exception("Should have said hello");
}
private IConnectableObservable <byte[]> CreateObserver(WebSocket webSocket)
{
return(Observable.Create <byte[]>(async(observer, cancellation) =>
{
try
{
while (webSocket.IsConnected && !cancellation.IsCancellationRequested)
{
WebSocketMessageReadStream message =
await webSocket.ReadMessageAsync(cancellation)
.ConfigureAwait(false);
if (message == null)
{
continue;
}
switch (message.MessageType)
{
case WebSocketMessageType.Text:
string messageContent;
using (StreamReader streamReader =
new StreamReader(message, Encoding.UTF8))
{
messageContent = await streamReader.ReadToEndAsync();
}
WebCastMessage webCastMessage =
messageContent.FromJson <WebCastMessage>();
switch (webCastMessage.Type)
{
case "metadata":
_logger.Debug("Metadata received: {webCastMessage.Data}");
break;
default:
_logger.Warning("Invalid message");
break;
}
break;
case WebSocketMessageType.Binary:
byte[] bytes = message.ReadFully();
observer.OnNext(bytes);
break;
}
}
observer.OnCompleted();
}
catch (Exception exception)
{
_logger.Error(exception, "Error Handling connection");
observer.OnError(exception);
}
return Disposable.Create(webSocket.Dispose);
})
.Publish());
}
