| // 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 rafthttp |
| |
| import ( |
| "github.com/coreos/etcd/pkg/types" |
| "github.com/coreos/etcd/raft/raftpb" |
| ) |
| |
| type remote struct { |
| id types.ID |
| status *peerStatus |
| pipeline *pipeline |
| } |
| |
| func startRemote(tr *Transport, urls types.URLs, id types.ID) *remote { |
| picker := newURLPicker(urls) |
| status := newPeerStatus(id) |
| pipeline := &pipeline{ |
| peerID: id, |
| tr: tr, |
| picker: picker, |
| status: status, |
| raft: tr.Raft, |
| errorc: tr.ErrorC, |
| } |
| pipeline.start() |
| |
| return &remote{ |
| id: id, |
| status: status, |
| pipeline: pipeline, |
| } |
| } |
| |
| func (g *remote) send(m raftpb.Message) { |
| select { |
| case g.pipeline.msgc <- m: |
| default: |
| if g.status.isActive() { |
| plog.MergeWarningf("dropped internal raft message to %s since sending buffer is full (bad/overloaded network)", g.id) |
| } |
| plog.Debugf("dropped %s to %s since sending buffer is full", m.Type, g.id) |
| sentFailures.WithLabelValues(types.ID(m.To).String()).Inc() |
| } |
| } |
| |
| func (g *remote) stop() { |
| g.pipeline.stop() |
| } |
| |
| func (g *remote) Pause() { |
| g.stop() |
| } |
| |
| func (g *remote) Resume() { |
| g.pipeline.start() |
| } |