def _parseMessageBundle(self, messageBundle):
if self.logger.isEnabledFor(logging.VERBOSE):
self.logger.log(logging.VERBOSE, 'Processing message bundle')
offset = 8
while offset < messageBundle['length']:
(messageType,
length) = struct.unpack('>LL',
messageBundle['data'][offset:offset + 8])
if messageType != definitions.MESSAGE_TYPE_EVENT_DATA:
raise estreamer.ParsingException(
'Bundle item expected MESSAGE_TYPE_EVENT_DATA but got: {0}'
.format(messageType))
message = {
'version': 1,
'messageType': messageType,
'length': length
}
if length > 0:
dataStart = offset + 8
dataEnd = offset + 8 + length
message['data'] = messageBundle['data'][dataStart:dataEnd]
self._send(message)
offset = offset + 8 + length
def create( filepath ):
"""Creates a new settings object and initialises logging"""
if not os.path.isfile( filepath ):
raise estreamer.EncoreException(
'Settings file: {0} does not exist or is not a file'.format(
filepath ))
with open( filepath, 'r' ) as configFile:
try:
config = json.load( configFile )
settings = Settings( config )
return settings
except ValueError:
raise estreamer.ParsingException('Invalid JSON in settings file')