+class VppTransportShmemIOError(IOError):
+ """ exception communicating with vpp over shared memory """
+
+ def __init__(self, rv, descr):
+ self.rv = rv
+ self.desc = descr
+
+ super(VppTransportShmemIOError, self).__init__(rv, descr)
+
+
+class VppTransport(object):
+ VppTransportShmemIOError = VppTransportShmemIOError
+