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Date: Wed, 26 Sep 2012 14:17:37 -0300
From: Luiz Capitulino <lcapitulino@redhat.com>
Message-ID: <20120926141737.5c5da5ee@doriath.home>
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Subject: Re: [Qemu-devel] [PATCH v2 32/45] qmp: add pull_event function
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kwolf@redhat.com, jcody@redhat.com, qemu-devel@nongnu.org

On Wed, 26 Sep 2012 17:56:38 +0200
Paolo Bonzini <pbonzini@redhat.com> wrote:

> This function is unlike get_events in that it makes it easy to process
> one event at a time.  This is useful in the mirroring test cases, where
> we want to process just one event (BLOCK_JOB_ERROR) and leave the others
> to a helper function.
> 
> Cc: Luiz Capitulino <lcapitulino@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Acked-by: Luiz Capitulino <lcapitulino@redhat.com>

> ---
>  QMP/qmp.py | 20 ++++++++++++++++++++
>  1 file modificato, 20 inserzioni(+)
> 
> diff --git a/QMP/qmp.py b/QMP/qmp.py
> index 36ecc1d..7a598f1 100644
> --- a/QMP/qmp.py
> +++ b/QMP/qmp.py
> @@ -134,6 +134,26 @@ class QEMUMonitorProtocol:
>              raise Exception(ret['error']['desc'])
>          return ret['return']
>  
> +    def pull_event(self, wait=False):
> +        """
> +        Get and delete the first available QMP event.
> +
> +        @param wait: block until an event is available (bool)
> +        """
> +        self.__sock.setblocking(0)
> +        try:
> +            self.__json_read()
> +        except socket.error, err:
> +            if err[0] == errno.EAGAIN:
> +                # No data available
> +                pass
> +        self.__sock.setblocking(1)
> +        if not self.__events and wait:
> +            self.__json_read(only_event=True)
> +        event = self.__events[0]
> +        del self.__events[0]
> +        return event
> +
>      def get_events(self, wait=False):
>          """
>          Get a list of available QMP events.