1// 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 "github.com/coreos/etcd/etcdserver" 19 pb "github.com/coreos/etcd/etcdserver/etcdserverpb" 20) 21 22type header struct { 23 clusterID int64 24 memberID int64 25 raftTimer etcdserver.RaftTimer 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 raftTimer: 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 rh.ClusterId = uint64(h.clusterID) 41 rh.MemberId = uint64(h.memberID) 42 rh.RaftTerm = h.raftTimer.Term() 43 if rh.Revision == 0 { 44 rh.Revision = h.rev() 45 } 46} 47