public override void ChannelActive(IChannelHandlerContext context)
{
var g = group;
if (g.IsNull())
{
ExtensionSettings.Preference.RunLocker(() =>
{
if (group.IsNull())
{
g = group = new DefaultChannelGroup(context.Executor);
}
});
}
var message = $"Welcome to {Dns.GetHostName()} secure chat server!\n";
context.WriteAndFlushAsync(message);
g.Add(context.Channel);
_logger.LogInformation(message);
}