diff options
Diffstat (limited to 'QMP/qmp.py')
-rw-r--r-- | QMP/qmp.py | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/QMP/qmp.py b/QMP/qmp.py index 36ecc1dfae..c551df1ed7 100644 --- a/QMP/qmp.py +++ b/QMP/qmp.py @@ -49,7 +49,6 @@ class QEMUMonitorProtocol: return socket.socket(family, socket.SOCK_STREAM) def __negotiate_capabilities(self): - self.__sockfile = self.__sock.makefile() greeting = self.__json_read() if greeting is None or not greeting.has_key('QMP'): raise QMPConnectError @@ -73,7 +72,7 @@ class QEMUMonitorProtocol: error = socket.error - def connect(self): + def connect(self, negotiate=True): """ Connect to the QMP Monitor and perform capabilities negotiation. @@ -83,7 +82,9 @@ class QEMUMonitorProtocol: @raise QMPCapabilitiesError if fails to negotiate capabilities """ self.__sock.connect(self.__address) - return self.__negotiate_capabilities() + self.__sockfile = self.__sock.makefile() + if negotiate: + return self.__negotiate_capabilities() def accept(self): """ @@ -95,6 +96,7 @@ class QEMUMonitorProtocol: @raise QMPCapabilitiesError if fails to negotiate capabilities """ self.__sock, _ = self.__sock.accept() + self.__sockfile = self.__sock.makefile() return self.__negotiate_capabilities() def cmd_obj(self, qmp_cmd): @@ -134,6 +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. @@ -161,3 +183,8 @@ class QEMUMonitorProtocol: def close(self): self.__sock.close() self.__sockfile.close() + + timeout = socket.timeout + + def settimeout(self, timeout): + self.__sock.settimeout(timeout) |