// caller must lock under mu
private void cleanupOnClose(Exception ex)
{
lock (pingLock)
{
pingTimer?.Dispose();
pingTimer = null;
}
// Unsubscribe only if we have a connection...
if (nc != null && !nc.IsClosed())
{
ackSubscription?.Unsubscribe();
pingSubscription?.Unsubscribe();
}
// fail all pending pubs...
PublishAck pa;
var keys = pubAckMap.Keys;
foreach (string guid in keys)
{
if (pubAckMap.Remove(guid, out pa))
{
pa.InvokeHandler(guid, ex == null ? "Connection Closed." : ex.Message);
}
}
}
internal PublishAck removeAck(string guid)
{
PublishAck a;
lock (mu)
{
pubAckMap.Remove(guid, out a, 0);
}
return(a);
}