1// Copyright 2015 CoreOS, Inc.
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 rafthttp
16
17import (
18	"github.com/coreos/etcd/pkg/types"
19	"github.com/coreos/etcd/raft/raftpb"
20)
21
22type remote struct {
23	id       types.ID
24	status   *peerStatus
25	pipeline *pipeline
26}
27
28func startRemote(tr *Transport, urls types.URLs, local, to, cid types.ID, r Raft, errorc chan error) *remote {
29	picker := newURLPicker(urls)
30	status := newPeerStatus(to)
31	return &remote{
32		id:       to,
33		status:   status,
34		pipeline: newPipeline(tr, picker, local, to, cid, status, nil, r, errorc),
35	}
36}
37
38func (g *remote) send(m raftpb.Message) {
39	select {
40	case g.pipeline.msgc <- m:
41	default:
42		if g.status.isActive() {
43			plog.MergeWarningf("dropped internal raft message to %s since sending buffer is full (bad/overloaded network)", g.id)
44		}
45		plog.Debugf("dropped %s to %s since sending buffer is full", m.Type, g.id)
46	}
47}
48
49func (g *remote) stop() {
50	g.pipeline.stop()
51}
52