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Re: [Qemu-devel] Multiple QMP socket clients
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] Multiple QMP socket clients |
Date: |
Tue, 11 Oct 2016 14:11:07 +0100 |
User-agent: |
Mutt/1.7.0 (2016-08-17) |
On Tue, Oct 11, 2016 at 12:26:37PM +0200, Samuel Ortiz wrote:
> Hi,
>
> On a qemu instance started with a qmp unix socket:
>
> -qmp unix:/tmp/ctrl.sock,server,nowait
>
> I am trying to have multiple clients working on that socket but
> although the qmp server seems to accept the connections, only the first
> connected client gets his request processed. The next client requests
> will just hang until the first one exits.
>
> Is that an intended behaviour ?
Yes, the character device code is designed around the idea of a single
endpoint.
In the case of the monitor you could work around it by adding multiple
-qmp arguemnts, each with different socket. Of course you have to make
sure each client doesn't trample on the other client when doing this.
Regards,
Daniel
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