Chapril/xmpp.chapril.org-ejabberd
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New mod_echo option client_version for the educational example

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Badlop 2010-06-18 15:55:37 +02:00
parent 6942d0bcc3
commit 8cef084bd2
1 changed files with 12 additions and 8 deletions
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src/mod_echo.erl
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@ -41,7 +41,7 @@
-include("ejabberd.hrl"). -include("ejabberd.hrl").
-record(state, {host}). -record(state, {host, client_version}).
-define(PROCNAME, ejabberd_mod_echo). -define(PROCNAME, ejabberd_mod_echo).
@ -87,8 +87,9 @@ stop(Host) ->
%%-------------------------------------------------------------------- %%--------------------------------------------------------------------
init([Host, Opts]) -> init([Host, Opts]) ->
MyHost = gen_mod:get_opt_host(Host, Opts, "echo.@HOST@"), MyHost = gen_mod:get_opt_host(Host, Opts, "echo.@HOST@"),
ClientVersion = gen_mod:get_opt(client_version, Opts, false),
ejabberd_router:register_route(MyHost), ejabberd_router:register_route(MyHost),
{ok, #state{host = MyHost}}. {ok, #state{host = MyHost, client_version = ClientVersion}}.
%%-------------------------------------------------------------------- %%--------------------------------------------------------------------
%% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} | %% Function: %% handle_call(Request, From, State) -> {reply, Reply, State} |
@ -122,7 +123,7 @@ handle_info({route, From, To, Packet}, State) ->
undefined -> exmpp_stanza:reply_with_error(Packet, 'bad-request'); undefined -> exmpp_stanza:reply_with_error(Packet, 'bad-request');
_ -> Packet _ -> Packet
end, end,
do_client_version(disabled, To, From), % Put 'enabled' to enable it do_client_version(State#state.client_version, To, From),
ejabberd_router:route(To, From, Packet2), ejabberd_router:route(To, From, Packet2),
{noreply, State}; {noreply, State};
handle_info(_Info, State) -> handle_info(_Info, State) ->
@ -150,9 +151,12 @@ code_change(_OldVsn, State, _Extra) ->
%% Example of routing XMPP packets using Erlang's message passing %% Example of routing XMPP packets using Erlang's message passing
%%-------------------------------------------------------------------- %%--------------------------------------------------------------------
%% To enable this educational example, edit the function handle_info: %% To enable this educational example, configure the module option
%% replace the argument 'disabled' with 'enabled' in the call to the %% client_version like this:
%% function do_client_version. %% {modules, [
%% {mod_echo, [{client_version, true}]},
%% ...
%% ]}.
%% ejabberd provides a method to receive XMPP packets using Erlang's %% ejabberd provides a method to receive XMPP packets using Erlang's
%% message passing mechanism. %% message passing mechanism.
@ -169,9 +173,9 @@ code_change(_OldVsn, State, _Extra) ->
%% using exactly the same JID. We add a (mostly) random resource to %% using exactly the same JID. We add a (mostly) random resource to
%% try to guarantee that the received response matches the request sent. %% try to guarantee that the received response matches the request sent.
%% Finally, the received response is printed in the ejabberd log file. %% Finally, the received response is printed in the ejabberd log file.
do_client_version(disabled, _From, _To) -> do_client_version(false, _From, _To) ->
ok; ok;
do_client_version(enabled, From, To) -> do_client_version(true, From, To) ->
%% It is important to identify this process and packet %% It is important to identify this process and packet
Random_resource = integer_to_list(random:uniform(100000)), Random_resource = integer_to_list(random:uniform(100000)),
From2 = exmpp_jid:full(From,Random_resource), From2 = exmpp_jid:full(From,Random_resource),