'Setup all of the local callback listeners for resource changes.'

def _setup_change_handlers(self):

    resource_objclass_map = {resources.PORT: ports.Port, resources.SUBNET: subnet.Subnet, resources.NETWORK: network.Network, resources.SECURITY_GROUP: securitygroup.SecurityGroup, resources.SECURITY_GROUP_RULE: securitygroup.SecurityGroupRule}
    self._resource_handlers = {res: _ObjectChangeHandler(res, obj_class, self._rpc_pusher) for (res, obj_class) in resource_objclass_map.items()}
