Re: [Qemu-devel] For unix domain socket, will only one client could connect to this socket?

[Sam]

Thank you, I think another process connect this socket, so I hanged here.

2017-07-27 18:47 GMT+08:00 Daniel P. Berrange <address@hidden>:

> On Thu, Jul 27, 2017 at 06:37:32PM +0800, Sam wrote:
> > Hi all,
> >
> > I'm working on qemu-qga, and I want to send qmp command from this unix
> > socket, but it hanged there(no response), I don't know if it's connect
> > failed or something?
> >
> > address@hidden ~]# socat
> > > /opt/cloud/workspace/servers/f6fdd093-383b-444e-9bcf-
> dfa81794d465/qga.sock
> > > readline
> > > {"execute": "guest-execute", "session": "4768", "arguments":
> {"commands":
> > > [{"command": "/bin/sh", "arguments": ["sh", "-c", "ping -c 1
> > > 172.16.0.1"]}]}}
>
> Pointless use of shell there. Just directly run ping
>
>   {"command": "/bin/ping", "arguments": ["-c", "1", "172.16.0.1"]}
>
> >
> >
> > My question is, for tcp or udp socket, many client could connect to one
> > server, is unix socket the same? Thank you~
>
> You can only ever have a single client connected, even with tcp/unix
> sockets backends.
>
> Regards,
> Daniel
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