def get(self):
guid = int(self.get_argument("pairing-guid"), 16)
if PairingRecord.find(guid) is not None:
sid = util.generate_sessionid(guid)
node = dacpy.types.build_node(("mlog", [("mstt", 200), ("mlid", sid)]))
self.write(node.serialize())
else:
raise web.HTTPError(503)
