[ejabberd] exmpp_component and PubSub

Ian Wilkinson the.ian.wilkinson at googlemail.com
Tue Dec 1 21:05:05 MSK 2009


Hi Mickaël,

Version info below:

Macintosh-4:bin iw$ ./ejabberdctl status
The node ejabberd at localhost is started with status: started
ejabberd 2.1.0 is running in that node

Macintosh-4:exmpp-trunk iw$ svn info
Path: .
URL: http://svn.process-one.net/exmpp/trunk
Repository Root: http://svn.process-one.net/exmpp
Repository UUID: 3f697acf-4316-0410-a1d2-ad6631db6a7d
Revision: 871
Node Kind: directory
Schedule: normal
Last Changed Author: badlop
Last Changed Rev: 871
Last Changed Date: 2009-11-25 15:02:26 +0000 (Wed, 25 Nov 2009)


many thanks,
ian

2009/12/1 Mickaël Rémond <mickael.remond at process-one.net>

> Hello,
>
> It might depend on the version of ejabberd you are using and thius the
> version of pubsub.
>
> Le 1 déc. 2009 à 18:44, Ian Wilkinson a écrit :
>
> Hi,
>
> My apologies if this is the wrong list for posting the following.
>
> I'm currently doing discovery on the exmpp_component, specifically,
> around PubSub support.
>
> I have used the "Scalable XMPP bots" series
> (
> http://www.process-one.net/en/blogs/article/scalable_xmpp_bots_with_erlang_and_exmpp_part_i/
> )
> to provide the early learning.
>
> From that, I produced an external component (modelled after the
> web_status_component), and
> included the service within the installed ejabberd configuration. I
> instrumented this component to log iq,
> message and presence packets.
>
> However, when I attempt to retrieve subscriptions from the component (
> http://xmpp.org/extensions/xep-0060.html#entity-subscriptions), I see no
> logging from the
> component, and the ejabberd.log is indicating the service is unavailable.
>
> I'm including the shell session, ejabberd configuration, and ejabberd.log
> output.
>
> Have I made some dumb assumptions, or should I be seeing some initial
> logging
> from the external component I launched.
>
> many thanks,
> ian
>
>
> 1> hugin_feed_component:start_link().
> ...
> {ok,<0.69.0>}
> 2> Session = exmpp_session:start().
> <0.86.0>
> 3> Jid = exmpp_jid:make("iw", "macintosh-4.local").
> {jid,<<"iw at macintosh-4.local">>,<<"iw">>,
>      <<"macintosh-4.local">>,undefined}
> 4> exmpp_session:auth_basic_digest(Session, Jid, "secret").
> ok
> 5> exmpp_session:connect_TCP(Session, "localhost", 5222).
> "3670992088"
>
> 6> Iq = exmpp_client_pubsub:get_subscriptions("feeds.macintosh-4.local").
> {xmlel,'jabber:client',[],iq,
>        [{xmlattr,undefined,type,<<"get">>},
>         {xmlattr,undefined,to,<<"feeds.macintosh-4.local">>},
>         {xmlattr,undefined,id,<<"pubsub-396429316">>}],
>        [{xmlel,'http://jabber.org/protocol/pubsub',[],pubsub,[],
>                [{xmlel,'http://jabber.org/protocol/pubsub',[],
>                        subscriptions,[],[]}]}]}
> 7> Iq2 = exmpp_stanza:set_sender(Iq, Jid).
> {xmlel,'jabber:client',[],iq,
>       [{xmlattr,undefined,type,<<"get">>},
>        {xmlattr,undefined,to,<<"feeds.macintosh-4.local">>},
>        {xmlattr,undefined,id,<<"pubsub-396429316">>},
>        {xmlattr,undefined,from,<<"iw at macintosh-4.local">>}],
>       [{xmlel,'http://jabber.org/protocol/pubsub',[],pubsub,[],
>               [{xmlel,'http://jabber.org/protocol/pubsub',[],
>                       subscriptions,[],[]}]}]}
> 8> io:format("~s~n", [exmpp_stanza:to_list(Iq2)]).
> <iq type="get" to="feeds.macintosh-4.local" id="pubsub-396429316" from="
> iw at macintosh-4.local"><pubsub xmlns="http://jabber.org/protocol/pubsub
> "><subscriptions/></pubsub></iq>
> ok
> 9> exmpp_session:send_packet(Session, Iq2).
> <<"pubsub-396429316">>
>
>
> From the ejabberd.cfg:
>
>   {8889, ejabberd_service, [
>                            {access, all},
>                            {shaper_rule, fast},
>                            {ip, {127, 0, 0, 1}},
>                            {hosts, ["feeds.macintosh-4.local"],
>                            [{password, "secret"}]
>                            }
>                            ]
>   },
>
>
> From the ejabberd.log:
>
> =INFO REPORT==== 2009-12-01 16:39:08 ===
> I(<0.362.0>:ejabberd_service:217) : Route registered for service
> "feeds.macintosh-4.local"
>
> ...
>
> =INFO REPORT==== 2009-12-01 16:45:34 ===
> D(<0.381.0>:ejabberd_c2s:1376) : Send XML on stream = "<iq
> from='macintosh-4.local' id='pubsub-396429316' type='error'><error
> code='503' type='cancel'><service-unavailable
> xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error></iq>"
>
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>
>
> --
> Mickaël Rémond
>  http://www.process-one.net/
>
>
>
>
>
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>
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