private async Task StartAsyncCore()
{
var transferModeFeature = _connection.Features.Get <ITransferModeFeature>();
if (transferModeFeature == null)
{
transferModeFeature = new TransferModeFeature();
_connection.Features.Set(transferModeFeature);
}
var requestedTransferMode =
_protocol.Type == ProtocolType.Binary
? TransferMode.Binary
: TransferMode.Text;
transferModeFeature.TransferMode = requestedTransferMode;
await _connection.StartAsync();
var actualTransferMode = transferModeFeature.TransferMode;
_protocolReaderWriter = new HubProtocolReaderWriter(_protocol, GetDataEncoder(requestedTransferMode, actualTransferMode));
_logger.HubProtocol(_protocol.Name);
using (var memoryStream = new MemoryStream())
{
NegotiationProtocol.WriteMessage(new NegotiationMessage(_protocol.Name), memoryStream);
await _connection.SendAsync(memoryStream.ToArray(), _connectionActive.Token);
}
}
private ITransferModeFeature GetOrAddTransferModeFeature()
{
var transferModeFeature = _connection.Features.Get <ITransferModeFeature>();
if (transferModeFeature == null)
{
transferModeFeature = new TransferModeFeature();
_connection.Features.Set(transferModeFeature);
}
transferModeFeature.TransferMode = _protocol.Type == ProtocolType.Binary
? TransferMode.Binary
: TransferMode.Text;
return(transferModeFeature);
}
public Task StartAsync()
{
if (_transferMode.HasValue)
{
var transferModeFeature = Features.Get <ITransferModeFeature>();
if (transferModeFeature == null)
{
transferModeFeature = new TransferModeFeature();
Features.Set(transferModeFeature);
}
transferModeFeature.TransferMode = _transferMode.Value;
}
_started.TrySetResult(null);
return(Task.CompletedTask);
}
private async Task StartAsyncCore()
{
var transferModeFeature = _connection.Features.Get <ITransferModeFeature>();
if (transferModeFeature == null)
{
transferModeFeature = new TransferModeFeature();
_connection.Features.Set(transferModeFeature);
}
var requestedTransferMode =
_protocol.Type == ProtocolType.Binary
? TransferMode.Binary
: TransferMode.Text;
transferModeFeature.TransferMode = requestedTransferMode;
await _connection.StartAsync();
_needKeepAlive = _connection.Features.Get <IConnectionInherentKeepAliveFeature>() == null;
var actualTransferMode = transferModeFeature.TransferMode;
_protocolReaderWriter = new HubProtocolReaderWriter(_protocol, GetDataEncoder(requestedTransferMode, actualTransferMode));
Log.HubProtocol(_logger, _protocol.Name);
_connectionActive = new CancellationTokenSource();
using (var memoryStream = new MemoryStream())
{
Log.SendingHubNegotiate(_logger);
NegotiationProtocol.WriteMessage(new NegotiationMessage(_protocol.Name), memoryStream);
await _connection.SendAsync(memoryStream.ToArray(), _connectionActive.Token);
}
ResetTimeoutTimer();
}
