def _handshake_msg(cnxn_id=None, req_id=None):
"""Msg for starting a session with the topology server"""
if cnxn_id is None:
cnxn_id = uuid.uuid4() # Random uuid
if req_id is None:
req_id = uuid.uuid4() # Random uuid
request = topology_api_pb2.Request()
request.handshake.cnxn_id.msb, request.handshake.cnxn_id.lsb = utils.split_uuid(cnxn_id)
request.handshake.req_id.msb, request.handshake.req_id.lsb = utils.split_uuid(req_id)
return request
def _handshake_msg(cnxn_id=None, req_id=None):
"""Msg for starting a session with the topology server"""
if cnxn_id is None:
cnxn_id = uuid.uuid4() # Random uuid
if req_id is None:
req_id = uuid.uuid4() # Random uuid
request = topology_api_pb2.Request()
request.handshake.cnxn_id.msb, request.handshake.cnxn_id.lsb = (
utils.split_uuid(cnxn_id))
request.handshake.req_id.msb, request.handshake.req_id.lsb = (
utils.split_uuid(req_id))
return request
def _get_msg(req_id, kind, obj_uuid):
"""Msg for fetching resources from the topology api with the specified type
Returns:
- A topology_pb2.update object if obj_uuid is specified, or
- a topology_api_pb2.Response.snapshot of all the uuids of the
specified kind.
"""
request = topology_api_pb2.Request()
request.get.req_id.msb, request.get.req_id.lsb = utils.split_uuid(req_id)
request.get.type = kind
if obj_uuid is not None:
request.get.id.msb, request.get.id.lsb = utils.split_uuid(obj_uuid)
return request
def _get_msg(req_id, kind, obj_uuid):
"""Msg for fetching resources from the topology api with the specified type
Returns:
- A topology_pb2.update object if obj_uuid is specified, or
- a topology_api_pb2.Response.snapshot of all the uuids of the
specified kind.
"""
request = topology_api_pb2.Request()
request.get.req_id.msb, request.get.req_id.lsb = (utils.split_uuid(req_id))
request.get.type = kind
if obj_uuid is not None:
request.get.id.msb, request.get.id.lsb = utils.split_uuid(obj_uuid)
return request
def _bye_msg(req_id):
"""Msg for notifying the server of the end of session
Returns a message that can be sent to server to notify of the end of the
current session, whereupon the server is free to close the socket
"""
request = topology_api_pb2.Request()
request.bye.req_id.msb, request.bye.req_id.lsb = utils.split_uuid(req_id)
return request
def _bye_msg(req_id):
"""Msg for notifying the server of the end of session
Returns a message that can be sent to server to notify of the end of the
current session, whereupon the server is free to close the socket
"""
request = topology_api_pb2.Request()
request.bye.req_id.msb, request.bye.req_id.lsb = (utils.split_uuid(req_id))
return request
