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https://github.com/etcd-io/etcd.git
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f1ed69e883
Build tags are not compatible with block comments. Also adds copyright header to a few places it was missing.
87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package rafthttp
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import (
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"time"
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"github.com/coreos/etcd/raft/raftpb"
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)
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var (
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emptyMsgProp = raftpb.Message{Type: raftpb.MsgProp}
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)
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type Batcher struct {
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batchedN int
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batchedT time.Time
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batchN int
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batchD time.Duration
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}
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func NewBatcher(n int, d time.Duration) *Batcher {
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return &Batcher{
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batchN: n,
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batchD: d,
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batchedT: time.Now(),
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}
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}
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func (b *Batcher) ShouldBatch(now time.Time) bool {
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b.batchedN++
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batchedD := now.Sub(b.batchedT)
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if b.batchedN >= b.batchN || batchedD >= b.batchD {
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b.Reset(now)
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return false
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}
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return true
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}
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func (b *Batcher) Reset(t time.Time) {
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b.batchedN = 0
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b.batchedT = t
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}
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func canBatch(m raftpb.Message) bool {
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return m.Type == raftpb.MsgAppResp && m.Reject == false
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}
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type ProposalBatcher struct {
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*Batcher
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raftpb.Message
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}
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func NewProposalBatcher(n int, d time.Duration) *ProposalBatcher {
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return &ProposalBatcher{
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Batcher: NewBatcher(n, d),
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Message: emptyMsgProp,
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}
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}
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func (b *ProposalBatcher) Batch(m raftpb.Message) {
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b.Message.From = m.From
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b.Message.To = m.To
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b.Message.Entries = append(b.Message.Entries, m.Entries...)
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}
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func (b *ProposalBatcher) IsEmpty() bool {
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return len(b.Message.Entries) == 0
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}
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func (b *ProposalBatcher) Reset(t time.Time) {
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b.Batcher.Reset(t)
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b.Message = emptyMsgProp
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}
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