nwfnet: callback tables weak keys

diff --git a/net/nwfnet.lua b/net/nwfnet.lua
index f3388153ac8a53c5a1c052b44032122ecf16d7ca..348da5b4fb7fb44bdbbdd3e54fe3d323ebd2a3fd 100644 (file)
--- a/net/nwfnet.lua
+++ b/net/nwfnet.lua
@@ -1,9 +1,9 @@
 -- Just callback registries
 local nwfnet   = {}
   -- possible events: wstaconn, wstagoip, wstadscn, wstadtmo; sntpsync, sntperr ; mqttconn, mqttdscn
-nwfnet.onnet   = {}
+nwfnet.onnet   = setmetatable({}, {__mode = "k"})
   -- specifically mqtt message events
-nwfnet.onmqtt  = {}
+nwfnet.onmqtt  = setmetatable({}, {__mode = "k"})
 function nwfnet:runnet(e,...) for _,v in pairs(nwfnet.onnet) do v(e,...) end end
 function nwfnet:runmqtt(...) for _,v in pairs(nwfnet.onmqtt) do v(...) end end
 return nwfnet