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tambunanw #1
User title: Welly
Member since Jul 2011 · 57 posts · Location: Jakarta
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Subject: Server to Server Communication
Hi Alex,


1. Is multihops message passing between client from one server to another server via intermediary server possible using XMPP ?

Client A -> Server A -> Server B -> Server C -> Client C

can we do some workaround about this using internal server component ? does this violates the specs ?

2. can we collect the presence to one server to another centralized server using internal component server ?
This one is only required for centralized monitoring.


Need your advice
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Alex #2
Member since Feb 2003 · 4322 posts · Location: Germany
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Quote by tambunanw:
1. Is multihops message passing between client from one server to another server via intermediary server possible using XMPP ?

Client A -> Server A -> Server B -> Server C -> Client C

no, not by default. In XMPP you never have multiple server hops. When client1@server1 sends a stanza to client2@server2 then the flow is always the following.

client1 => server1 => server2 => client2

Quote by tambunanw:
can we do some workaround about this using internal server component ? does this violates the specs ?
There is always a workaround. But because I don't have any details about your use what and what you are trying to achieve I have no suggestions right now.

Quote by tambunanw:
2. can we collect the presence to one server to another centralized server using internal component server ?
This one is only required for centralized monitoring.
when your component is subscribed to all your users then it gets the presence of all your users. You can do the same with a bot client.
Collecting presences is probably easier when you modify the code of your server, or write a module or plugin for your server when the server API allows this.

Alex
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tambunanw #3
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hi Alex,

I want to create a stanza like this one for s2s communication. the namespace is jabber:server.

  1. <stream:stream
  2.       from='im.example.com'
  3.       to='example.net'
  4.       version='1.0'
  5.       xmlns='jabber:server'
  6.       xmlns:stream='http://etherx.jabber.org/streams'>

I can't use MatriX.Xmpp.Client for that, because it has jabber:client in it's namespace
Is there any way to change that ?
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Alex #4
Member since Feb 2003 · 4322 posts · Location: Germany
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  1. /// <summary>
  2. /// Represents a XMPP Server to server stream header
  3. /// </summary>
  4. public class Stream : Base.Stream
  5. {
  6.     public Stream()
  7.     {
  8.         SetAttribute("xmlns", Uri.SERVER);
  9.     }
  10. }

I make all the server classes public. So you can use them when I upload a new release tonight in the MatriX.Xmpp.Server namespace.

Alex
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tambunanw #5
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Member since Jul 2011 · 57 posts · Location: Jakarta
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ok Alex,

thanks a lot. i hope you can notify me when that's available.

:)
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Alex #6
Member since Feb 2003 · 4322 posts · Location: Germany
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Quote by tambunanw on 2012-04-24, 10:00:
thanks a lot. i hope you can notify me when that's available.

I have uploaded a new binary build.
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tambunanw #7
User title: Welly
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thanks alex. :)
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