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Re: [libvirt] Re: [Qemu-devel] [PATCH 1/6] Allow multiple monitor device

From: Gerd Hoffmann
Subject: Re: [libvirt] Re: [Qemu-devel] [PATCH 1/6] Allow multiple monitor devices (v2)
Date: Tue, 14 Apr 2009 10:28:16 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090324 Fedora/3.0-2.1.beta2.fc11 Thunderbird/3.0b2


Personally, I think relying on asynchronous events to provide reliable
status is a bad idea.  Management connections can and will get
disconnected, buffers will get filled and event notifications will be

I somehow like the idea from someone (Jamie?) somewhere in this thread to model the notification like unix signals. Just flag that something changed. Don't carry the actual info, just ping the management app, which in turn must use "info <whatever>" to get the details.

That solves the queuing issue. I also closes the command vs. notification races. Management apps don't need new parsers, the existing "info <foo>" parser(s) will do just fine.


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