Re: [Qemu-devel] qemu-guest-agent question

[Michael Roth <mdroth@linux.vnet.ibm.com>]

Quoting Michael Roth (2015-10-21 10:10:40)
> Quoting Vasiliy Tolstov (2015-10-19 08:41:35)
> > I'm try to understand sources of qga and have a question-  does agent
> > execute commands synchronous or if i'm send firstly long running
> > command and after that send  short lived command, short lived command
> > response can be sended before first command result?
> > Thanks!
> 
> Yes, commands are executed asynchronously. guest-exec kicks them off and
> returns a handle. guest-exec-status can be called later with that handle
> to check on the status of the command. If the command has completed,
> guest-exec-status will report the return status, along with stdout/stderr
> if capture mode was enabled. Multiple commands can be issued/running at
> any one time.
> 
> The documentation in qemu.git/qga/qapi-schema.json has more exact details.

I assumed you were referring to 'commands' via the recent
guest-exec command that was added, but in case that's not what you were
asking about:

The guest agent commands themselves are synchronous, and qga will
process and respond to requests as it recieves them, one at a time,
from start to finish.

> 
> > 
> > -- 
> > Vasiliy Tolstov,
> > e-mail: v.tolstov@selfip.ru
> >