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To: LSARC-record@sac.sfbay.sun.com
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Subject: XChat IRC client [LSARC/2008/477 FastTrack timeout 08/01/2008]
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Template Version: @(#)sac_nextcase 1.66 04/17/08 SMI
This information is Copyright 2008 Sun Microsystems
1. Introduction
    1.1. Project/Component Working Name:
	 XChat IRC client
    1.2. Name of Document Author/Supplier:
	 Author:  Laszlo Peter
    1.3  Date of This Document:
	25 July, 2008
4. Technical Description
    See the case directory for more detail

6. Resources and Schedule
    6.4. Steering Committee requested information
   	6.4.1. Consolidation C-team Name:
		JDS - Gnome
    6.5. ARC review type: FastTrack
    6.6. ARC Exposure: open


From John.Fischer@Sun.COM Fri Jul 25 15:08:43 2008
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Date: Fri, 25 Jul 2008 15:08:14 -0700
From: John Fischer <John.Fischer@Sun.COM>
Subject: LSARC/2008/477 - XChat IRC client
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To: lsarc-ext@Sun.COM
Cc: Laszlo Peter <Laszlo.Peter@Sun.COM>
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All,

I am sponsoring this project for Laszlo (Laca) Peter from the
JDS Desktop group in Dublin Ireland.  The case directory contains
this proposal.  I have set the timer for next Friday August 1,
2008.

The project requests a Patch release binding to integrate
the Open Source XChat IRC client.  This project falls into
the Linux familiarity directive.

Thanks,

John

--Boundary_(ID_f62YsC/uFrFyZF7qp9k5SA)
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Title:		XChat IRC client
Case:		LSARC/2008/477
Submitter:	Laszlo Peter
Owner:          
Timeout:	08/01/2008 

1 Project/Component Working Name:

    XChat IRC client
    
2 Description

    XChat is an IRC chat program. It allows users to join multiple IRC
    channels (chat rooms) at the same time, talk publicly, private
    one-on-one conversations etc.  Simple file transfers are also
    possible.  This project integrates the latest available version,
    2.8.6.

    The project team will work with the upstream community, report
    bugs, submit patches.

    Release binding: Patch
    
3 Exported Interfaces

    Interface                       Classification    Comments
    -----------------------------   --------------    --------------------
    /usr/bin/xchat                  Volatile
    /usr/share/pixmaps/xchat.png    Project Private
    /usr/share/applications/xchat.desktop
				    Project Private
    /usr/lib/xchat/plugins          Volatile
    $HOME/.xchat2                   Project Private   configuration and
    				    	              scrollback logs
    org.xchat.service DBus service  Volatile
    SUNWxchat			    Committed	      package name

4 Imported Interfaces

    Interface                       Classification    Comments
    -----------------------------   --------------    --------------------
    perl 5.8.4 (libperl.so.1)       Committed         for perl plugins
    python 2.4 (libpython2.4.so)    Volatile          for python plugins
    tcl 8.4 (libtcl8.4.so)          Uncommitted       for tcl plugins
    libsexy.so.2                    Volatile
    Gtk+ (libgtk-x11-2.0.so.0)      Committed
    DBUS (libdbus-1.so.3)           Volatile
    OpenSSL                         Volatile

--Boundary_(ID_f62YsC/uFrFyZF7qp9k5SA)--

From James.McPherson@sun.com Sat Jul 26 06:43:02 2008
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Date: Sat, 26 Jul 2008 23:42:59 +1000
From: "James C. McPherson" <James.McPherson@sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
In-reply-to: <488A4ECE.3090501@sun.com>
Sender: James.McPherson@sun.com
To: John.Fischer@sun.com
Cc: lsarc-ext@sun.com, Laszlo Peter <Laszlo.Peter@sun.com>
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John Fischer wrote:
> All,
> 
> I am sponsoring this project for Laszlo (Laca) Peter from the
> JDS Desktop group in Dublin Ireland.  The case directory contains
> this proposal.  I have set the timer for next Friday August 1,
> 2008.
> 
> The project requests a Patch release binding to integrate
> the Open Source XChat IRC client.  This project falls into
> the Linux familiarity directive.

4 Imported Interfaces

     Interface                       Classification    Comments
     -----------------------------   --------------    --------------------
...
     DBUS (libdbus-1.so.3)           Volatile



Running any DBUS client application in a zone will cause it
and any other DBUS client application to hang.

Will this delivery of XChat come with a caveat that it's not
usable in a zone, or will there be a workaround built in?

Alternatively, what is the plan to make DBUS zone-friendly?


James C. McPherson
--
Senior Kernel Software Engineer, Solaris
Sun Microsystems
http://blogs.sun.com/jmcp	http://www.jmcp.homeunix.com/blog

From Laszlo.Peter@sun.com Mon Jul 28 00:19:01 2008
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Date: Mon, 28 Jul 2008 19:18:55 +1200
From: "Laszlo (Laca) Peter" <Laszlo.Peter@sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
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Hi James,

On Sat, 2008-07-26 at 23:42 +1000, James C. McPherson wrote:
> 4 Imported Interfaces
> 
>      Interface                       Classification    Comments
>      -----------------------------   --------------    --------------------
> ...
>      DBUS (libdbus-1.so.3)           Volatile
> 
> 
> 
> Running any DBUS client application in a zone will cause it
> and any other DBUS client application to hang.

I believe that the dbus issue in zones is with the system bus,
not the session bus, which XChat uses.  (If the session bus
wasn't working in zones, Trusted JDS coundn't work either.)
Including Brian who is responsible for DBus for more info.

Laca

> Will this delivery of XChat come with a caveat that it's not
> usable in a zone, or will there be a workaround built in?
> 
> Alternatively, what is the plan to make DBUS zone-friendly?




From johnf@sr1-umpk-16.sfbay.sun.com Tue Aug  5 09:36:56 2008
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Date: Tue, 05 Aug 2008 09:36:52 -0700 (PDT)
From: John Fischer <johnf@sr1-umpk-16.sfbay.sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
To: Brian.Cameron@sun.com, James.McPherson@sun.com, laca@sun.com
Cc: John.Fischer@sun.com, lsarc-ext@sun.com
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Brian,

Laca wanted to know if you could answer the following issue
within this case:

> On Sat, 2008-07-26 at 23:42 +1000, James C. McPherson wrote:
> > 4 Imported Interfaces
> >
> >      Interface                       Classification    Comments
> >      -----------------------------   --------------    --------------------
> > ...
> >      DBUS (libdbus-1.so.3)           Volatile
> >
> >
> >
> > Running any DBUS client application in a zone will cause it
> > and any other DBUS client application to hang.
> 
> I believe that the dbus issue in zones is with the system bus,
> not the session bus, which XChat uses.  (If the session bus
> wasn't working in zones, Trusted JDS coundn't work either.)
> Including Brian who is responsible for DBus for more info.

Thanks,

John

From Brian.Cameron@sun.com Thu Aug  7 01:45:37 2008
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Date: Thu, 07 Aug 2008 03:45:32 -0500
From: Brian Cameron <Brian.Cameron@sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
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Laca/James:

Sorry for the slow response.  It took me some time to track down the
information.

This is according to Niall Power:

--begin quote--

I had to fix a Trusted JDS issue where things like trash:// burn://
computer:// etc weren't able to work inside local zones. The problem was
that a per zone D-Bus session wasn't running. Once we got a per zone
D-Bus session running the problem was fixed.

The D-Bus system bus is still inaccessible inside zones though but that
could change in the future as there is work in progress to make global
zone Unix sockets accessible inside zones. Stephen knows more of the
details about that.

--end quote--

And this is according to Stephen Browne, who works on TJDS:

--begin quote--

The only issue with D-Bus is client access to the system bus from a
zone.  Currently cross zone UDS is not permitted although the code has
been written to enable it.

We aren't using it yet (dont need to) and may not do so depending on new
TX device management code and the possible use of a trusted proxy to
communicate from the global zone system bus to zoned clients.

--end quote--

So, I don't believe that James' concern about D-Bus programs hanging
is an issue.  It does seem there are some issues with the system bus
working with zones, but it sounds like TJDS doesn't use that feature
currently.

Brian


> On Sat, 2008-07-26 at 23:42 +1000, James C. McPherson wrote:
>> 4 Imported Interfaces
>>
>>      Interface                       Classification    Comments
>>      -----------------------------   --------------    --------------------
>> ...
>>      DBUS (libdbus-1.so.3)           Volatile
>>
>>
>>
>> Running any DBUS client application in a zone will cause it
>> and any other DBUS client application to hang.
> 
> I believe that the dbus issue in zones is with the system bus,
> not the session bus, which XChat uses.  (If the session bus
> wasn't working in zones, Trusted JDS coundn't work either.)
> Including Brian who is responsible for DBus for more info.
> 
> Laca
> 
>> Will this delivery of XChat come with a caveat that it's not
>> usable in a zone, or will there be a workaround built in?
>>
>> Alternatively, what is the plan to make DBUS zone-friendly?
> 
> 
> 


From Darren.Moffat@sun.com Thu Aug  7 02:44:19 2008
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Date: Thu, 07 Aug 2008 10:43:44 +0100
From: Darren J Moffat <Darren.Moffat@sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
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Brian Cameron wrote:
> --begin quote--
> 
> I had to fix a Trusted JDS issue where things like trash:// burn://
> computer:// etc weren't able to work inside local zones. The problem was
> that a per zone D-Bus session wasn't running. Once we got a per zone
> D-Bus session running the problem was fixed.
> 
> The D-Bus system bus is still inaccessible inside zones though but that
> could change in the future as there is work in progress to make global
> zone Unix sockets accessible inside zones. Stephen knows more of the
> details about that.
> 
> --end quote--

LSARC 2008/506 appears to be the case that covers this.  It appears that 
it could be made to work for the D-BUs system bus UNIX domain sockets 
too.  However I don't think that case should be extended to do so as 
some analysis of the sensitivity of the information on the system bus 
may be needed first.

-- 
Darren J Moffat

From Stephen.Browne@sun.com Thu Aug  7 02:51:52 2008
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From: Stephen Browne <Stephen.Browne@sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
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On Thu, 2008-08-07 at 10:43, Darren J Moffat wrote:

> Brian Cameron wrote:
> > --begin quote--
> > 
> > I had to fix a Trusted JDS issue where things like trash:// burn://
> > computer:// etc weren't able to work inside local zones. The problem was
> > that a per zone D-Bus session wasn't running. Once we got a per zone
> > D-Bus session running the problem was fixed.
> > 
> > The D-Bus system bus is still inaccessible inside zones though but that
> > could change in the future as there is work in progress to make global
> > zone Unix sockets accessible inside zones. Stephen knows more of the
> > details about that.
> > 
> > --end quote--
> 
> LSARC 2008/506 appears to be the case that covers this.  It appears that 
> it could be made to work for the D-BUs system bus UNIX domain sockets 
> too.  However I don't think that case should be extended to do so as 
> some analysis of the sensitivity of the information on the system bus 
> may be needed first.


Right.  Which is why even if we can do UDS across zones for dbus, its
more likely that I will implement some other proxy mechanism for
specific dbus system messages (using the existing pipes between the
stripe and the zoned xagents) if and when the need arises.

Stephen.



> 
> -- 
> Darren J Moffat

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<BODY>
<BR>
On Thu, 2008-08-07 at 10:43, Darren J Moffat wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE><I>Brian Cameron wrote:
&gt; --begin quote--
&gt; 
&gt; I had to fix a Trusted JDS issue where things like trash:// burn://
&gt; computer:// etc weren't able to work inside local zones. The problem was
&gt; that a per zone D-Bus session wasn't running. Once we got a per zone
&gt; D-Bus session running the problem was fixed.
&gt; 
&gt; The D-Bus system bus is still inaccessible inside zones though but that
&gt; could change in the future as there is work in progress to make global
&gt; zone Unix sockets accessible inside zones. Stephen knows more of the
&gt; details about that.
&gt; 
&gt; --end quote--

LSARC 2008/506 appears to be the case that covers this.  It appears that 
it could be made to work for the D-BUs system bus UNIX domain sockets 
too.  However I don't think that case should be extended to do so as 
some analysis of the sensitivity of the information on the system bus 
may be needed first.</I></PRE>
</BLOCKQUOTE>
<BR>
Right.&nbsp; Which is why even if we can do UDS across zones for dbus, its more likely that I will implement some other proxy mechanism for specific dbus system messages (using the existing pipes between the stripe and the zoned xagents) if and when the need arises.<BR>
<BR>
Stephen.<BR>
<BR>
<BR>
<BLOCKQUOTE TYPE=CITE>
<PRE><I>
-- 
Darren J Moffat</I></PRE>
</BLOCKQUOTE>
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Date: Mon, 18 Aug 2008 11:26:27 -0700 (PDT)
From: John Fischer <johnf@sr1-umpk-16.sfbay.sun.com>
Subject: Re: LSARC/2008/477 - XChat IRC client
To: Darren.Moffat@sun.com, Stephen.Browne@sun.com
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All,

The timer having expired with the last remaining issue being
answer I am marking this case approved.

Thanks,

John

