/// <summary>
/// Handle an http request.
/// </summary>
/// <param name="streamName">
/// Name of stream for which property values should be set.
/// </param>
/// <param name="requestContext">
/// Context containing HTTP request data, which will also contain associated
/// response upon return.
/// </param>
/// <param name="subpath">
/// Request URI path relative to the stream name associated with this sensor stream
/// handler in the stream handler owner.
/// </param>
/// <returns>
/// Await-able task.
/// </returns>
/// <remarks>
/// Return value should never be null. Implementations should use Task.FromResult(0)
/// if function is implemented synchronously so that callers can await without
/// needing to check for null.
/// </remarks>
public override Task HandleRequestAsync(string streamName, HttpListenerContext requestContext, string subpath)
{
if (streamName == null)
{
throw new ArgumentNullException("streamName");
}
if (requestContext == null)
{
throw new ArgumentNullException("requestContext");
}
if (subpath == null)
{
throw new ArgumentNullException("subpath");
}
if (!InteractionStreamName.Equals(streamName))
{
// Only supported endpoints are related to interaction stream
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
return(SharedConstants.EmptyCompletedTask);
}
var splitPath = KinectRequestHandler.SplitUriSubpath(subpath);
if (splitPath == null)
{
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
return(SharedConstants.EmptyCompletedTask);
}
var pathComponent = splitPath.Item1;
switch (pathComponent)
{
case ClientUriSubpath:
// Only support one client at any one time
if (this.clientRpcChannel != null)
{
if (this.clientRpcChannel.CheckConnectionStatus())
{
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.Conflict);
return(SharedConstants.EmptyCompletedTask);
}
this.clientRpcChannel = null;
}
WebSocketRpcChannel.TryOpenAsync(
requestContext,
channel =>
{
// Check again in case another request came in before connection was established
if (this.clientRpcChannel != null)
{
channel.Dispose();
}
this.clientRpcChannel = channel;
},
channel =>
{
// Only forget the current channel if it matches the channel being closed
if (this.clientRpcChannel == channel)
{
this.clientRpcChannel = null;
}
});
break;
default:
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
break;
}
return(SharedConstants.EmptyCompletedTask);
}
/// <summary>
/// Handle an http request.
/// </summary>
/// <param name="streamName">
/// Name of stream for which property values should be set.
/// </param>
/// <param name="requestContext">
/// Context containing HTTP request data, which will also contain associated
/// response upon return.
/// </param>
/// <param name="subpath">
/// Request URI path relative to the stream name associated with this sensor stream
/// handler in the stream handler owner.
/// </param>
/// <returns>
/// Await-able task.
/// </returns>
/// <remarks>
/// Return value should never be null. Implementations should use Task.FromResult(0)
/// if function is implemented synchronously so that callers can await without
/// needing to check for null.
/// </remarks>
public override Task HandleRequestAsync(string streamName, HttpListenerContext requestContext, string subpath)
{
if (streamName == null)
{
throw new ArgumentNullException("streamName");
}
if (requestContext == null)
{
throw new ArgumentNullException("requestContext");
}
if (subpath == null)
{
throw new ArgumentNullException("subpath");
}
if (!InteractionStreamName.Equals(streamName))
{
// Only supported endpoints are related to interaction stream
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
return SharedConstants.EmptyCompletedTask;
}
var splitPath = KinectRequestHandler.SplitUriSubpath(subpath);
if (splitPath == null)
{
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
return SharedConstants.EmptyCompletedTask;
}
var pathComponent = splitPath.Item1;
switch (pathComponent)
{
case ClientUriSubpath:
// Only support one client at any one time
if (this.clientRpcChannel != null)
{
if (this.clientRpcChannel.CheckConnectionStatus())
{
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.Conflict);
return SharedConstants.EmptyCompletedTask;
}
this.clientRpcChannel = null;
}
WebSocketRpcChannel.TryOpenAsync(
requestContext,
channel =>
{
// Check again in case another request came in before connection was established
if (this.clientRpcChannel != null)
{
channel.Dispose();
}
this.clientRpcChannel = channel;
},
channel =>
{
// Only forget the current channel if it matches the channel being closed
if (this.clientRpcChannel == channel)
{
this.clientRpcChannel = null;
}
});
break;
default:
KinectRequestHandler.CloseResponse(requestContext, HttpStatusCode.NotFound);
break;
}
return SharedConstants.EmptyCompletedTask;
}
