diff --git a/QMP/qmp.py b/QMP/qmp.py index 14ce8b0d05..25655088fb 100644 --- a/QMP/qmp.py +++ b/QMP/qmp.py @@ -43,7 +43,7 @@ class QEMUMonitorProtocol: family = socket.AF_UNIX return socket.socket(family, socket.SOCK_STREAM) - def __json_read(self): + def __json_read(self, only_event=False): while True: data = self.__sockfile.readline() if not data: @@ -51,7 +51,8 @@ class QEMUMonitorProtocol: resp = json.loads(data) if 'event' in resp: self.__events.append(resp) - continue + if not only_event: + continue return resp error = socket.error @@ -106,9 +107,11 @@ class QEMUMonitorProtocol: qmp_cmd['id'] = id return self.cmd_obj(qmp_cmd) - def get_events(self): + def get_events(self, wait=False): """ Get a list of available QMP events. + + @param wait: block until an event is available (bool) """ self.__sock.setblocking(0) try: @@ -118,6 +121,8 @@ class QEMUMonitorProtocol: # No data available pass self.__sock.setblocking(1) + if not self.__events and wait: + self.__json_read(only_event=True) return self.__events def clear_events(self):