def service_call(self, data):
# if not self.svcb.is_
if self.svcb.is_error():
raise exceptions.SVInstanceErrorException(
error_msg=self.svcb.error_msg)
if self.svcb.is_stop():
raise exceptions.SVInstanceException(
message='The Service Insetance Has been Stopped:%s' %
self.svcb.id)
if not self.svcb.is_ready() or self.svcb.is_suspend():
raise exceptions.SVInstanceStateException(
cur_state=self.svcb.state, need_state=ServiceCtrlBlock.READY)
'''
向线程发送数据，让其处理，等待线程处理完数据，但这只有
1.向线程发送需要处理的数据
2.判断是否为后台程序
(1).是：不等待处理的数据
(2).否：等待线程返回处理的数据，如果在规定的时间内没有返回的数据，则抛出异常
3.返回结果
'''
output_queue = Queue.Queue()
self.__conn_queue.put((data, output_queue))
if self.svcb.is_undaem():
data = output_queue.get(True, 4)
return data
def __set_Thread(self, svthr):
'''
如果svthr为不为空，设置type为异步类型
'''
if svthr is None: return
if not isinstance(svthr, threading.Thread):
raise exceptions.SVInstanceException(message='ErrorThreadType:%s' %
type(svthr))
self[self.SVTHREAD] = weakref.ref(svthr)
def __set_Type(self, svtype):
'''
设置服务的类型，如果服务的类型不在规定的类型里面，抛出异常
'''
svtype = str(svtype)
if svtype not in self.TYPES:
raise exceptions.SVInstanceException(
message='Unkown Service Instance Type:%s' % svtype)
self[self.TYPE] = svtype
def suspend(self):
if self.svcb.is_error():
raise exceptions.SVInstanceErrorException(
error_msg=self.svcb.error_msg)
if self.svcb.is_stop():
raise exceptions.SVInstanceException(
message='The Service Insetance Has been Stopped:%s' %
self.svcb.id)
self.svcb.ready_to_suspend()
def resume(self):
if self.svcb.is_error():
raise exceptions.SVInstanceErrorException(
error_msg=self.svcb.error_msg)
if self.svcb.is_stop():
raise exceptions.SVInstanceException(
message='The Service Insetance Has been Stopped:%s' %
self.svcb.id)
if not self.svcb.is_suspend(): return
self.svcb.suspend_to_ready()
def build_svinstance(self,
sv_inst_id,
user_id,
sv_id,
svtype=ServiceCtrlBlock.UNDAEM):
if self.__svinstant_dict.has_key(sv_inst_id):
raise exceptions.SVInstanceException(
message='The Servcie Instance is Exist:%s' % sv_inst_id)
self.__svinstant_dict[sv_inst_id] = SvInstance(sv_inst_id, user_id,
sv_id, svtype)
def start(self):
# if self.svcb.is_asy() and self.svcb.is_ready():
if self.svcb.is_error():
raise exceptions.SVInstanceErrorException(
error_msg=self.svcb.error_msg)
if self.svcb.is_stop():
raise exceptions.SVInstanceException(
message='The Service Insetance Has been Stopped:%s' %
self.svcb.id)
if not self.svcb.is_builed():
raise exceptions.SVInstanceStateException(
cur_state=self.svcb.state, need_state=ServiceCtrlBlock.BUILDED)
super(SvInstance, self).start()
def close(self):
if self.svcb.is_error():
raise exceptions.SVInstanceErrorException(
error_msg=self.svcb.error_msg)
if self.svcb.is_stop():
raise exceptions.SVInstanceException(
message='The Service Insetance Has been Stopped:%s' %
self.svcb.id)
if self.svcb.is_ready() or self.svcb.is_running(
) or self.svcb.is_suspend():
self.__conn_queue.put((None, None))
self.__conn_queue.join()
self.svcb.to_stop()
def __set_State(self, svstate):
'''
设置SVCB的状态，如果状态值不在STATES中，则抛出异常
如果状态不为ERROR，那么要清空ERROR_MSG
'''
if svstate not in self.STATES:
raise exceptions.SVInstanceException(
message='Unkown Service Instance State:%s' % svstate)
self[self.STATE] = svstate
if svstate != self.ERROR:
self[self.ERROR_MSG] = None
else:
self[self.ERROR_MSG] = 'Unknown Error'
def __set_SvID(self, sv_id):
if not (isinstance(sv_id, str) or isinstance(sv_id, unicode)):
raise exceptions.SVInstanceException(
message='ErrorSV_IDTYPE:%s,user_id=%s' % (type(sv_id), sv_id))
self[self.SV_ID] = str(sv_id)
def __set_UserID(self, user_id):
if not (isinstance(user_id, str) or isinstance(user_id, unicode)):
raise exceptions.SVInstanceException(
message='ErrorUser_IDTYPE:%s,user_id=%s' %
(type(user_id), user_id))
self[self.USER_ID] = str(user_id)
def __set_ID(self, id):
if not isinstance(id, str):
raise exceptions.SVInstanceException(
message='ErrorIDTYPE:%s,id=%s' % (type(id), id))
self[self.ID] = str(id)