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Answer 1

A:

Per XMPP's XEP-0060, it is possible for Owner of the PubSub node to make items on the node expire in a very distant future.

When creating a node, you may want to set the following attributes to make items on the node never expire.

<field var='pubsub#persist_items' type='boolean' label='Persist items to storage'>
  <value>1</value>
</field>
<field var='pubsub#max_items' type='text-single' label='Max # of items to persist'>
  <value>999999</value>
</field>
<field var='pubsub#item_expire' type='text-single' label='Time after which to automatically purge items'>
  <value>999999999999</value>
</field>

Source: http://xmpp.org/extensions/xep-0060.html#owner-configure

Then when you want to retrieve all the items, you can probably do this to retrieve the data:

<iq type='get'
    from='[email protected]/barracks'
    to='pubsub.shakespeare.lit'
    id='items1'>
  <pubsub xmlns='http://jabber.org/protocol/pubsub'&gt;
    <items node='princely_musings'/>
  </pubsub>
</iq>

Source: http://xmpp.org/extensions/xep-0060.html#subscriber-retrieve-requestall

Would this solve your problem?

DashK 2010-09-30 22:13:36

If your intent is to persist all items, then omit the max_items attribute altogether instead of setting it to an arbitrarily large value. Same for item_expire. This also assumes of course that the server has implemented the more recent version of the spec that has the expire attribute.

Robin 2010-10-06 16:14:09

Answer 2

A:

Well thanks for the reply, There was a problem in my form configuration in which persist items was set to false by default.So I configured the node as you suggested.But again I am facing some problem on page refresh.I will explain you with an example. In my application user A logs in and create a node and on successful creation it sends request to user B, now user B subscribe to the node created by user A.Now if any user does a page refresh I send an IQ stanza of type get to get all the missed events like the one you mentioned above.But I am getting error 400 subid-required.

<body rid='430432056' xmlns='http://jabber.org/protocol/httpbind' sid='dca8aafc'><iq to='pubsub.abc' type='get' xmlns='jabber:client' id='3408:sendIQ'><pubsub xmlns='http://jabber.org/protocol/pubsub'&gt;&lt;items node='3821poU5zq7nhn1'/></pubsub></iq></body>

In response I am getting:

  <body xmlns='http://jabber.org/protocol/httpbind'&gt;&lt;iq type="error" id="3408:sendIQ" from="pubsub.abc" to="test@abc/dca8aafc"><pubsub xmlns="http://jabber.org/protocol/pubsub"&gt;&lt;items node="3821poU5zq7nhn1"/></pubsub><error code="400" type="modify"><bad-request xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/><subid-required xmlns="http://jabber.org/protocol/pubsub#errors"/&gt;&lt;/error&gt;&lt;/iq&gt;&lt;/body&gt;

So can help me where I am getting wrong.Also I read the link http://xmpp.org/extensions/xep-0060.html#owner-configure point : 6.5.9.1 which says If the requesting entity has multiple subscriptions to the node but does not specify a subscription ID, the service MUST return a error to the subscriber.So does it mean that I am subscribing to the same node again? I checked if thats the case but I am subscribing only once.So just figuring out where things are getting wrong.

Thanx.

Dharmesh 2010-10-01 07:50:37

Are you using OpenFire? That is is a known bug http://issues.igniterealtime.org/browse/OF-8. It just means that you will have to include the subid in your request.

Robin 2010-10-06 16:11:38

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