class EventBusClient(object):
def __init__(self, outbound_channel, associated_resources):
self.resources = []
self.associated_resources = associated_resources
self.connection_manager = ConnectionManager(self.associated_resources)
self.eventbus = None
self.outbound_channel = outbound_channel
def __get_resource(self, resource_id):
for resource in self.associated_resources:
if resource['id'] == resource_id:
return resource
return None
def __get_resource_address(self, resource_id):
resource = self.__get_resource(resource_id)
return resource['address'] if resource != None else None
#Handler for errors and msg
def messagehandler(self, message):
print 'Request received from eventbus'
print message
thread = None
if message != None:
body = message['body']
action = body['action'].upper()
if action == 'CONNECT':
thread = ConnectionThread(self.eventbus, self.outbound_channel,
self.connection_manager, body)
elif action == 'DISCONNECT':
thread = DisconnectionThread(self.eventbus,
self.outbound_channel,
self.connection_manager, body)
elif action == 'INQUIRY':
self.resources = []
thread = InquiryThread(self.eventbus, self.outbound_channel,
self.resources, body,
self.associated_resources)
elif action == 'READ' or action == 'WRITE':
if 'resourceId' in body:
resource_id = body['resourceId']
if self.connection_manager.contains_address(
self.__get_resource_address(resource_id)):
btsocket = self.connection_manager.get_btsocket_by_id(
resource_id)
thread = PersistentCommunicationThread(
self.eventbus, self.outbound_channel, btsocket,
body)
else:
address = self.__get_resource_address(resource_id)
if address != None:
thread = CommunicationThread(
self.eventbus, self.outbound_channel, address,
body)
else:
response = {
'message': {
'error':
'Could not find resource with ID equal to '
+ resource_id
},
'id': body['id']
}
self.eventbus.send(self.outbound_channel, response)
else:
response = {
'message': {
'resources':
list(
set(self.connection_manager.
get_connected_resources()))
},
'id': body['id']
}
self.eventbus.send(self.outbound_channel, response)
else:
response = {
'message': {
'error': 'Invalid action: ' + action
},
'id': body['id']
}
self.eventbus.send(self.outbound_channel, response)
else:
print 'no msg found'
if thread != None:
thread.start()
