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Extending Roster
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martinbach 2013-02-02, 13:55 #1
Member since Mar 2009 · 60 posts
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Subject: Extending Roster
Hi Alex,

I need three more fields in the roster to share them with each mutual subscribed user.
It should work like the absence notice.
Instead the absence status I will exchange two numbers and a short text.

1. Is XEP-0057 the right extension for that?
2. What are the fist steps for me to do this in MatriX?

Best regards

Martin
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Alex 2013-02-02, 14:07 #2
Member since Feb 2003 · 4449 posts · Location: Germany
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Hello,

XEP-0057 is retracted.

When you describe what you are trying to achieve in details I can suggest a solution.
Maybe you can put your stuff in the VCard.

Alex
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martinbach 2013-02-02, 14:47 #3
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Hi Alex,

here is the description:

Each of the mutual subscribed users want to offer two blood pressure parameters (systolisch diastolisch) and a time stamp.
The pressures are meassured automatically and the time stamp is generated too  (two Double   and    a   DateTime).
The blood pressure change each  +-10 seconds.

Each mutual subsribed user should get the current blood parameters of all the other users
1. when he/she logs into the xmpp server the new user receives the current blood paramenters of all active users via the roster data
2. the blood parameters of a user are actualized each time a user sends new data
3. if the user leaves the xmpp server the last blood paramenters are saved so that other users can receive his/her last paramenters with their login via roster.

Hope this helps you to give me a hint how to implement it.

Best regards,

Martin
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Alex 2013-02-02, 17:08 #4
Member since Feb 2003 · 4449 posts · Location: Germany
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Quote by martinbach:
Hope this helps you to give me a hint how to implement it.

very interesting project and perfect use case for PEP or Pubsub.

So I suggest to study the following extensions:
XEP-0060: Publish-Subscribe
XEP-0163: Personal Eventing Protocol

Alex
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martinbach 2013-02-03, 09:44 #5
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Hi Alex,

thank you for the hint.

I agree, PEP (XEP-0163) is what I need.

Do you have a mini example on how to use PEP with Matrix?
(I searched the forum but could find a little snippet for PubSub only)

What I want to send is something like this:

  1. <iq from='maltin1@myxmppserver.net/mobile' type='set' id='pub1'>
  2.  <pubsub xmlns='http://jabber.org/protocol/pubsub'>
  3.     <publish node='http://jabber.org/protocol/tune'>
  4.       <item>
  5.         <bloodpressure xmlns='http://myxmppserver.net/protocol/bloodpressure'>
  6.           <diastolic>80.04</diastolic>
  7.           <systolic>120.55</systolic>
  8.           <timestamp>2013_02_02_23_59_59</timestamp>
  9.           <health>robust</health>
  10.         </bloodpressure>
  11.       </item>
  12.     </publish>
  13.  </pubsub>
  14. </iq>

Best regards,

Martin
This post was edited on 2013-02-03, 10:20 by Alex.
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Alex 2013-02-03, 10:25 #6
Member since Feb 2003 · 4449 posts · Location: Germany
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In the latest MiniClient example there is a Pubsub from with a basic example.

When you run your own closed XMPP network and you need this info always you can also just put the data in the presence.
But once you start to add more medical data and not all the subscribed users care about all data its getting confusing and you start to produce unseeded traffic.

Alex
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Alex 2013-02-03, 10:27 #7
Member since Feb 2003 · 4449 posts · Location: Germany
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In reply to post #5
Quote by martinbach:
I agree, PEP (XEP-0163) is what I need.

XEP-0163 is a simplifies version of XEP-0060. So once you need ore features its easy to upgrade to XEP-0060.

Alex
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martinbach 2013-02-03, 13:39 #8
Member since Mar 2009 · 60 posts
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Hi Alex,

where can I find the latest MiniClient example / Can't find it on your site via Menue or in downloads.
(I have one of 2010 and found another old one attached in the forum a Version for WP7.1 both without PubSub)

Martin
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Alex 2013-02-03, 14:53 #9
Member since Feb 2003 · 4449 posts · Location: Germany
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included in MatriX .NET, first download here:
http://www.ag-software.net/matrix-xmpp-sdk/download/
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