runtime/internal/flow/conn/types.vdl

// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package conn

import "v.io/v23/security"

// Blessings is used to transport blessings between the two ends of a Conn.
// Since blessings can be large, we try not to send them more than once by
// associating them with an integer key (BKey). Thereafter we refer to them
// by their key.
type Blessings struct {
	Blessings security.WireBlessings
	BKey uint64
}

// Discharges is used to transport discharges between the two ends of a Conn.
// Since discharges can be large, we try not to send them more than once by
// associating them with an integer key (DKey). Thereafter we refer to them
// by their key.
// Discharges also contains the BKey of the blessings with which the discharges
// are associated with.
type Discharges struct {
	Discharges []security.WireDischarge
	DKey, BKey uint64
}

// BlessingsFlowMessage is used to send either a Blessings or Discharges object
// over the wire.
type BlessingsFlowMessage union {
	Blessings Blessings
	Discharges Discharges
}