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status.go
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status.go
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// Copyright 2018 The tiglabs raft 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 (
"fmt"
"time"
)
// DownReplica down replica
type DownReplica struct {
NodeID uint64
DownSeconds int
}
// ReplicaStatus replica status
type ReplicaStatus struct {
Match uint64 // 复制进度
Commit uint64 // commmit位置
Next uint64
State string
Snapshoting bool
Paused bool
Active bool
LastActive time.Time
Inflight int
}
// Status raft status
type Status struct {
ID uint64
NodeID uint64
Leader uint64
Term uint64
Index uint64
Commit uint64
Applied uint64
Vote uint64
PendQueue int
RecvQueue int
AppQueue int
Stopped bool
RestoringSnapshot bool
State string // leader、follower、candidate
Replicas map[uint64]*ReplicaStatus
}
func (s *Status) String() string {
st := "running"
if s.Stopped {
st = "stopped"
} else if s.RestoringSnapshot {
st = "snapshot"
}
j := fmt.Sprintf(`{"id":"%v","nodeID":"%v","state":"%v","leader":"%v","term":"%v","index":"%v","commit":"%v","applied":"%v","vote":"%v","pendingQueue":"%v",
"recvQueue":"%v","applyQueue":"%v","status":"%v","replication":{`, s.ID, s.NodeID, s.State, s.Leader, s.Term, s.Index, s.Commit, s.Applied, s.Vote, s.PendQueue, s.RecvQueue, s.AppQueue, st)
if len(s.Replicas) == 0 {
j += "}}"
} else {
for k, v := range s.Replicas {
p := "false"
if v.Paused {
p = "true"
}
subj := fmt.Sprintf(`"%v":{"match":"%v","commit":"%v","next":"%v","state":"%v","paused":"%v","inflight":"%v","active":"%v"},`, k, v.Match, v.Commit, v.Next, v.State, p, v.Inflight, v.Active)
j += subj
}
j = j[:len(j)-1] + "}}"
}
return j
}