private void ShowConnectionStatus(ConnectionEvent connEv)
{
// Category to string
var msg = connEv.Description;
// 1) Update connection expander header
ConnectionExpander.Header = connEv.EventTypeString;
// 2) Update the status label
SetConnectionStatusText(text: msg, isProblem: connEv.IsError);
// 3) In status log, show the message with a timestamp and the numeric status ID
var fullMsg = string.Format("{0} {1}{2}",
DateTime.Now.ToString("d.M. H.mm.ss"),
msg,
Environment.NewLine
);
ConnectionLogTextBox.AppendText(fullMsg);
// Scrolling the status log to the bottom
ConnectionLogTextBox.ScrollToEnd();
}
/// <summary>
/// Sends a connection event. Use this for errors.
/// </summary>
/// <param name="connMaint">Whether connection is still being maintained or at least tried to reconnect.</param>
/// <param name="evType">Event type.</param>
/// <param name="exc">Related exception.</param>
protected void SendConnectionEvent(bool connMaint, ConnectionEventType evType, Exception exc)
{
bool disposedTemp;
lock (m_lockObject)
{
disposedTemp = m_disposed;
}
// No callbacks after dispose except termination.
// If dispose is called right after the condition, the callback can
// occur after it, but this is unlikely and unimportant.
if (disposedTemp &&
evType != ConnectionEventType.TerminatingConnectionByUser &&
evType != ConnectionEventType.ConnectionTerminatedByUser)
{
return;
}
// Event related to an error?
if (exc != null)
{
var errorReason = AmqpErrorHandler.GetErrorReason(exc);
var description = GenerateDescription(evType, errorReason.ToString());
var connEvent = new ConnectionEvent(connMaint: connMaint, evType: evType,
desc: description, errReason: errorReason, excep: exc);
b_connectionEventCallback(connEvent);
}
else
{
var description = GenerateDescription(evType, "");
var connEvent = new ConnectionEvent(connMaint: connMaint, evType: evType, desc: description);
b_connectionEventCallback(connEvent);
}
}