private async Task ClosePrivateAsync(WebSocketCloseStatus status, String description)
{
try
{
if (State == WebSocketState.Closing)
{
// Close payload is two bytes containing the close status followed by a UTF8-encoding of the status description, if it exists.
using (var buffer = new WebSocketSendBuffer())
{
WriteCloseMessage(status, m_closeReceived ? String.Empty : description, buffer);
await SendAsync(buffer.ToMessage(WebSocketMessageType.Close, this));
}
var receiveCloseTask = Task.CompletedTask;
lock ( m_lock )
{
if (!m_closeReceived)
{
receiveCloseTask = ReceiveCloseAsync();
}
}
await receiveCloseTask;
lock ( m_lock )
{
if (State == WebSocketState.Closing)
{
ChangeState(WebSocketState.Closed);
}
}
}
}
catch (Exception ex)
{
Abort(ex);
}
}
public async Task <Boolean> SendAsync(WebSocketMessageType messageType, WebSocketSendBuffer buffer)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
try
{
await SendAsync(buffer.ToMessage(messageType, this));
return(true);
}
catch (Exception ex)
{
WebSocketsEventSource.Log.Error(Id, ex);
OnException?.Invoke(ex);
Abort(ex.Message);
return(false);
}
}
