def stop(self):
if self.runner:
if self.runner.is_running:
self.runner.stop()
else:
message = 'Attempting to stop() before start() was invoked.'
log.warning(message)
self.runner.stop()
return message
else:
raise ProtocolError('Stop called before a session has been configured.')
def terminate(self, request):
status = Status.OK
message = ''
if self.factory.transfer_sessions:
message = 'Terminating with file tranfer sessions in progress. '
log.warning(message)
for session in self.factory.transfer_sessions:
self.factory.transferComplete(session)
message += self.daq_server.terminate() or ''
if message:
status = Status.OKISH
self.sendResponse(status, message)
def start(self):
if self.runner:
if not self.runner.is_running:
self.runner.start()
else:
message = 'Calling start() before stop() has been called. Data up to this point will be lost.'
log.warning(message)
self.runner.stop()
self.runner.start()
return message
else:
raise ProtocolError('Start called before a session has been configured.')
def terminate(self, request):
status = Status.OK
message = ''
if self.factory.transfer_sessions:
message = 'Terminating with file tranfer sessions in progress. '
log.warning(message)
for session in self.factory.transfer_sessions:
self.factory.transferComplete(session)
message += self.daq_server.terminate() or ''
if message:
status = Status.OKISH
self.sendResponse(status, message)
def stop(self):
if self.runner:
if self.runner.is_running:
self.runner.stop()
else:
message = 'Attempting to stop() before start() was invoked.'
log.warning(message)
self.runner.stop()
return message
else:
raise ProtocolError(
'Stop called before a session has been configured.')
def start(self):
if self.runner:
if not self.runner.is_running:
self.runner.start()
else:
message = 'Calling start() before stop() has been called. Data up to this point will be lost.'
log.warning(message)
self.runner.stop()
self.runner.start()
return message
else:
raise ProtocolError(
'Start called before a session has been configured.')
def configure(self, config_string):
message = None
if self.runner:
message = 'Configuring a new session before previous session has been terminated.'
log.warning(message)
if self.runner.is_running:
self.runner.stop()
config = DeviceConfiguration.deserialize(config_string)
config.validate()
self.output_directory = self._create_output_directory()
self.labels = config.labels
log.info('Writing port files to {}'.format(self.output_directory))
self.runner = DaqRunner(config, self.output_directory)
return message
def configure(self, config_string):
message = None
if self.runner:
message = 'Configuring a new session before previous session has been terminated.'
log.warning(message)
if self.runner.is_running:
self.runner.stop()
config = DeviceConfiguration.deserialize(config_string)
config.validate()
self.output_directory = self._create_output_directory()
self.labels = config.labels
log.info('Writing port files to {}'.format(self.output_directory))
self.runner = DaqRunner(config, self.output_directory)
return message
def terminate(self):
message = None
if self.runner:
if self.runner.is_running:
message = 'Terminating session before runner has been stopped.'
log.warning(message)
self.runner.stop()
self.runner = None
if self.output_directory and os.path.isdir(self.output_directory):
shutil.rmtree(self.output_directory)
self.output_directory = None
log.info('Session terminated.')
else: # Runner has not been created.
message = 'Attempting to close session before it has been configured.'
log.warning(message)
return message
def terminate(self):
message = None
if self.runner:
if self.runner.is_running:
message = 'Terminating session before runner has been stopped.'
log.warning(message)
self.runner.stop()
self.runner = None
if self.output_directory and os.path.isdir(self.output_directory):
shutil.rmtree(self.output_directory)
self.output_directory = None
log.info('Session terminated.')
else: # Runner has not been created.
message = 'Attempting to close session before it has been configured.'
log.warning(message)
return message
def connectionMade(self):
if os.path.isfile(self.path):
log.warning('overriding existing file.')
os.remove(self.path)
self.fh = open(self.path, 'w')
def connectionMade(self):
if os.path.isfile(self.path):
log.warning('overriding existing file.')
os.remove(self.path)
self.fh = open(self.path, 'w')
