iphone - ejabberd offline_message_hook not called -

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i'm trying ejabberd server send offline push notifications using custom offline_message_hook module. problem hook never seems called. i've tried setting priority of hook 0, 49, , 50 still doesn't work.

this code module:

% name of module must match file name -module(mod_offline_push).  %% every ejabberd module implements gen_mod behavior %% gen_mod behavior requires 2 functions: start/2 , stop/1 -behaviour(gen_mod).  %% public methods module -export([start/2, stop/1, create_message/3]).  %% included writing ejabberd log file -include("ejabberd.hrl").  %% ejabberd functions jid manipulation called jlib. -include("jlib.hrl").  start(_host, _opt) ->     ?info_msg("mod_offline_push loading", []),     inets:start(),     ?info_msg("http client started", []),     ejabberd_hooks:add(offline_message_hook, _host, ?module, create_message, 0).  stop (_host) ->     ?info_msg("stopping mod_offline_push", []),     ejabberd_hooks:delete(offline_message_hook, _host, ?module, create_message, 0).  create_message(_from, _to, packet) ->     ?info_msg("creting offline message", []),     type = xml:get_tag_attr_s("type", packet),     froms = xml:get_tag_attr_s("from", packet),     tos = xml:get_tag_attr_s("to", packet),     if (type == "chat") ->         post_offline_message(froms, tos)     end.  post_offline_message(from, to) ->     ?info_msg("posting ~p ~p~n",[from, to]),      httpc:request(post, {"http://host.com/push.php",[],      "application/x-www-form-urlencoded",      lists:concat(["from=", from,"&to=", to])}, [], []),     ?info_msg("post request sent", []).

pass host or global hook, rather _host. hook needs registered specific host or global hook.


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