erlang - ejabberd: get users (version & os) when connect to the server -


i'm trying read users os "windows xp, windows 7, linux .... etc" when connected i'm working on ejabberd 2.1.x nothing shown me.

what i'm doing :

-module(mod_test).  -behaviour(gen_mod).  %% gen_mod callbacks -export([start/2, stop/1]).  %% hook handlers -export([user_send_packet/3, filter_packet/1]).  -include("ejabberd.hrl"). -include("jlib.hrl").  -define(procname, ejabberd_mod_filter).  start(host, _opts) ->     ejabberd_hooks:add(user_send_packet, host, ?module, user_send_packet, 75),     ejabberd_hooks:add(filter_packet, global, ?module, filter_packet, 75),     ok.  stop(host) ->     ejabberd_hooks:delete(filter_packet, global, ?module, filter_packet, 75),     ejabberd_hooks:delete(user_send_packet, host, ?module, user_send_packet, 75),     ok.  user_send_packet(_from, _to, _packet) ->     ok.  filter_packet({from, to, packet}) ->     io:format("~p", [packet]), filter_packet(arg) ->     arg.

it's return users data (status, resource, caps ... etc) else (version, os, client name) there way ?

i belive there away cuz in (muc chat) there many bot if type :

version some_user

return me msg :

name : psi+ version : 1.1 os : windows xp

but don't know how this.

you can information sending "software version" request client described in xep-0092. ejabberd doesn't do, may have write code tracking responses yourself. (the basic idea server sends request id, , needs check responses same id, taking timeouts , errors account.)


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