public async Task <DuplexStreamingResult <bool, bool> > Connect()
{
var streaming = GetDuplexStreamingContext <bool, bool>();
var id = ConnectionContext.GetConnectionId(Context);
var cancellationTokenSource = ConnectionContext.Register(id);
try
{
// send to connect complete.
await streaming.WriteAsync(true).ConfigureAwait(false);
// wait client disconnect.
// if client send complete event, safe unsubscribe of heartbeat.
await streaming.MoveNext();
}
catch (RpcException)
{
// ok, cancelled.
}
finally
{
ConnectionContext.Unregister(id);
cancellationTokenSource.Cancel();
}
return(streaming.Result());
}
public async Task <DuplexStreamingResult <Nil, Nil> > Connect()
{
var streaming = GetDuplexStreamingContext <Nil, Nil>();
var id = ConnectionContext.GetConnectionId(Context);
var cancellationTokenSource = ConnectionContext.Register(id);
try
{
// send to connect complete.
await streaming.WriteAsync(Nil.Default).ConfigureAwait(false);
// receive client hearbeat ping.
while (await streaming.MoveNext().ConfigureAwait(false))
{
}
}
catch (RpcException)
{
// ok, cancelled.
}
finally
{
ConnectionContext.Unregister(id);
cancellationTokenSource.Cancel();
}
return(streaming.Result());
}