From patchwork Thu Oct 18 14:49:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v3,15/16] qmp: add pull_event function Date: Thu, 18 Oct 2012 04:49:29 -0000 From: Paolo Bonzini X-Patchwork-Id: 192367 Message-Id: <1350571770-9836-16-git-send-email-pbonzini@redhat.com> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com 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. Acked-by: Luiz Capitulino Signed-off-by: Paolo Bonzini --- QMP/qmp.py | 20 ++++++++++++++++++++ 1 file modificato, 20 inserzioni(+) diff --git a/QMP/qmp.py b/QMP/qmp.py index 32510a1..c551df1 100644 --- a/QMP/qmp.py +++ b/QMP/qmp.py @@ -136,6 +136,26 @@ 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.