blob: f23b6a738563d4ea42a3a0f89d9e5ba7a5bc1376 [file] [log] [blame]
khenaidoo59ce9dd2019-11-11 13:05:32 -05001// Copyright 2016 The etcd Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package v3rpc
16
17import (
18 "go.etcd.io/etcd/etcdserver"
19 pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
20)
21
22type header struct {
23 clusterID int64
24 memberID int64
25 sg etcdserver.RaftStatusGetter
26 rev func() int64
27}
28
29func newHeader(s *etcdserver.EtcdServer) header {
30 return header{
31 clusterID: int64(s.Cluster().ID()),
32 memberID: int64(s.ID()),
33 sg: s,
34 rev: func() int64 { return s.KV().Rev() },
35 }
36}
37
38// fill populates pb.ResponseHeader using etcdserver information
39func (h *header) fill(rh *pb.ResponseHeader) {
40 if rh == nil {
41 plog.Panic("unexpected nil resp.Header")
42 }
43 rh.ClusterId = uint64(h.clusterID)
44 rh.MemberId = uint64(h.memberID)
45 rh.RaftTerm = h.sg.Term()
46 if rh.Revision == 0 {
47 rh.Revision = h.rev()
48 }
49}