+ error("No such connection module: "..name.. (err and (" ("..err..")") or ""), 0);
+ end
+
+ local interface = (udata and udata.interface) or h.default_interface or "*";
+ local port = (udata and udata.port) or h.default_port or error("Can't start listener "..name.." because no port was specified, and it has no default port", 0);
+ local mode = (udata and udata.mode) or h.default_mode or 1;
+ local ssl = (udata and udata.ssl) or nil;
+ local autossl = udata and udata.type == "ssl";
+
+ if autossl and not ssl then
+ return nil, "no ssl context";