| // Copyright 2015 The etcd Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package raft |
| |
| import ( |
| pb "github.com/coreos/etcd/raft/raftpb" |
| ) |
| |
| func applyToStore(ents []pb.Entry) {} |
| func sendMessages(msgs []pb.Message) {} |
| func saveStateToDisk(st pb.HardState) {} |
| func saveToDisk(ents []pb.Entry) {} |
| |
| func ExampleNode() { |
| c := &Config{} |
| n := StartNode(c, nil) |
| defer n.Stop() |
| |
| // stuff to n happens in other goroutines |
| |
| // the last known state |
| var prev pb.HardState |
| for { |
| // Ready blocks until there is new state ready. |
| rd := <-n.Ready() |
| if !isHardStateEqual(prev, rd.HardState) { |
| saveStateToDisk(rd.HardState) |
| prev = rd.HardState |
| } |
| |
| saveToDisk(rd.Entries) |
| go applyToStore(rd.CommittedEntries) |
| sendMessages(rd.Messages) |
| } |
| } |