-
Notifications
You must be signed in to change notification settings - Fork 6
/
fake_failing_peer.go
46 lines (38 loc) · 1.13 KB
/
fake_failing_peer.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
package graft
import (
"errors"
)
type FailingPeer struct {
receiveRequestVoteCallback func()
receiveAppendEntriesCallback func()
numberOfFails int
successfulResponse VoteResponseMessage
failureAppendEntriesResponse AppendEntriesResponseMessage
successfulAppendEntriesResponse AppendEntriesResponseMessage
Log []LogEntry
}
func (peer *FailingPeer) ReceiveAppendEntries(message AppendEntriesMessage) (AppendEntriesResponseMessage, error) {
if peer.shouldFail() {
return peer.failureAppendEntriesResponse, errors.New("boom")
}
for _, entry := range message.Entries {
peer.Log = append(peer.Log, entry)
}
return peer.successfulAppendEntriesResponse, nil
}
func (peer *FailingPeer) ReceiveRequestVote(message RequestVoteMessage) (VoteResponseMessage, error) {
if peer.shouldFail() {
return VoteResponseMessage{}, errors.New("boom")
}
return peer.successfulResponse, nil
}
func (peer *FailingPeer) shouldFail() bool {
if peer.numberOfFails > 0 {
peer.numberOfFails--
return true
} else if peer.numberOfFails == -1 {
return true
} else {
return false
}
}