-
Notifications
You must be signed in to change notification settings - Fork 14
/
ledger_peersInfo.go
121 lines (107 loc) · 2.73 KB
/
ledger_peersInfo.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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
package ledger
import (
"errors"
"strings"
"github.com/qlcchain/go-qlc/common/storage"
"github.com/qlcchain/go-qlc/common/types"
)
type PeerInfoStore interface {
AddPeerInfo(info *types.PeerInfo) error
GetPeerInfo(peerID string) (*types.PeerInfo, error)
GetPeersInfo(fn func(info *types.PeerInfo) error) error
CountPeersInfo() (uint64, error)
UpdatePeerInfo(value *types.PeerInfo) error
AddOrUpdatePeerInfo(value *types.PeerInfo) error
}
func (l *Ledger) AddPeerInfo(info *types.PeerInfo) error {
k, err := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo, []byte(info.PeerID))
if err != nil {
return err
}
v, err := info.Serialize()
if err != nil {
return err
}
_, err = l.store.Get(k)
if err == nil {
return ErrPeerExists
} else if err != storage.KeyNotFound {
return err
}
return l.store.Put(k, v)
}
func (l *Ledger) GetPeerInfo(peerID string) (*types.PeerInfo, error) {
key, err := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo, []byte(peerID))
if err != nil {
return nil, err
}
pi := new(types.PeerInfo)
val, err := l.store.Get(key)
if err != nil {
if err == storage.KeyNotFound {
return nil, ErrPovHeaderNotFound
}
return nil, err
}
if err := pi.Deserialize(val); err != nil {
return nil, err
}
return pi, nil
}
func (l *Ledger) GetPeersInfo(fn func(info *types.PeerInfo) error) error {
errStr := make([]string, 0)
prefix, _ := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo)
err := l.store.Iterator(prefix, nil, func(key []byte, val []byte) error {
pi := new(types.PeerInfo)
if err := pi.Deserialize(val); err != nil {
l.logger.Errorf("deserialize peerInfo error: %s", err)
errStr = append(errStr, err.Error())
return nil
}
if err := fn(pi); err != nil {
l.logger.Errorf("process peerInfo error: %s", err)
errStr = append(errStr, err.Error())
}
return nil
})
if err != nil {
return err
}
if len(errStr) != 0 {
return errors.New(strings.Join(errStr, ", "))
}
return nil
}
func (l *Ledger) CountPeersInfo() (uint64, error) {
prefix, _ := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo)
return l.store.Count(prefix)
}
func (l *Ledger) UpdatePeerInfo(value *types.PeerInfo) error {
k, err := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo, []byte(value.PeerID))
if err != nil {
return err
}
v, err := value.Serialize()
if err != nil {
return err
}
_, err = l.store.Get(k)
if err != nil {
if err == storage.KeyNotFound {
return ErrPeerNotFound
}
return err
}
return l.store.Put(k, v)
}
func (l *Ledger) AddOrUpdatePeerInfo(value *types.PeerInfo) error {
k, err := storage.GetKeyOfParts(storage.KeyPrefixPeerInfo, []byte(value.PeerID))
if err != nil {
return err
}
v, err := value.Serialize()
if err != nil {
return err
}
return l.store.Put(k, v)
}