private void Connected(StompFrame frame)
{
using (_lockObject.Lock())
{
StartIncomingHeartBeatTimer();
if (frame.IsHeartBeat)
{
// nothing else to do
}
else if (frame.Command == StompCommand.Disconnect)
{
DisconnectWithoutLocking();
var keepSession = frame.GetBoolean(StompHeader.NonStandard.KeepSession, false);
if (!keepSession)
{
_serverData.EndSession(_session);
}
_session = null;
}
else
{
try
{
// ReSharper disable PossibleNullReferenceException
_session.ProcessFrame(frame);
// ReSharper restore PossibleNullReferenceException
}
catch (Exception ex)
{
if (ex.IsCorruptedStateException())
{
throw;
}
Log.Error(_logMessagePrefix + "Unexpected error handling " + frame.Command + " frame: " + ex.Message, ex);
try
{
var errorFrame = StompFrameUtils.CreateErrorFrame("internal server error", frame);
_transport.SendFrame(errorFrame);
DisconnectWithoutLocking();
}
catch (InvalidOperationException)
{
// Not ideal, but we can encounter a situation where the transport is shutting down, so if
// we send anything it is going to throw and exception. Because we currently do not have an
// API for checking this, we just handle the exception.
}
}
}
}
}
