2014-10-18 02:41:22 +04:00
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/*
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Copyright 2014 CoreOS, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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2014-08-23 02:45:39 +04:00
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package raft
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2014-08-28 05:53:18 +04:00
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import (
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pb "github.com/coreos/etcd/raft/raftpb"
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)
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2014-09-16 04:35:02 +04:00
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func applyToStore(ents []pb.Entry) {}
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func sendMessages(msgs []pb.Message) {}
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func saveStateToDisk(st pb.HardState) {}
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func saveToDisk(ents []pb.Entry) {}
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2014-08-23 02:45:39 +04:00
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func Example_Node() {
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2014-09-17 23:23:44 +04:00
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n := StartNode(0, nil, 0, 0)
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2014-08-23 02:45:39 +04:00
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2014-08-24 03:06:55 +04:00
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// stuff to n happens in other goroutines
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2014-08-23 02:45:39 +04:00
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2014-08-23 03:53:56 +04:00
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// the last known state
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2014-09-16 04:35:02 +04:00
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var prev pb.HardState
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2014-08-23 02:45:39 +04:00
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for {
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// ReadState blocks until there is new state ready.
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2014-08-27 02:28:21 +04:00
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rd := <-n.Ready()
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2014-09-17 00:55:00 +04:00
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if !isHardStateEqual(prev, rd.HardState) {
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2014-09-16 04:35:02 +04:00
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saveStateToDisk(rd.HardState)
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prev = rd.HardState
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2014-08-23 02:45:39 +04:00
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}
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2014-08-27 03:19:49 +04:00
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saveToDisk(rd.Entries)
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go applyToStore(rd.CommittedEntries)
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sendMessages(rd.Messages)
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2014-08-23 02:45:39 +04:00
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}
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}
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