Macro spawn_server_processor

macro_rules! spawn_server_processor {
    ($const_config:                 expr,
     $channel_type:                 tt,
     $socket_server:                expr,
     $remote_messages:              ty,
     $local_messages:               ty,
     $connection_events_handler_fn: expr,
     $dialog_processor_builder_fn:  expr) => { ... };
}

See CompositeSocketServer::spawn_processor().