-
Notifications
You must be signed in to change notification settings - Fork 108
/
store.go
159 lines (141 loc) · 4.5 KB
/
store.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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
package admin
import (
"container/list"
"sync"
"google.golang.org/protobuf/types/known/timestamppb"
gmqtt "github.com/xiaodingding/iotfast/server/mqtt"
"github.com/xiaodingding/iotfast/server/mqtt/config"
"github.com/xiaodingding/iotfast/server/mqtt/server"
)
type store struct {
clientMu sync.RWMutex
clientIndexer *Indexer
subMu sync.RWMutex
subIndexer *Indexer
config config.Config
statsReader server.StatsReader
subscriptionService server.SubscriptionService
}
func newStore(statsReader server.StatsReader, config config.Config) *store {
return &store{
clientIndexer: NewIndexer(),
subIndexer: NewIndexer(),
statsReader: statsReader,
config: config,
}
}
func (s *store) addSubscription(clientID string, sub *gmqtt.Subscription) {
s.subMu.Lock()
defer s.subMu.Unlock()
subInfo := &Subscription{
TopicName: sub.GetFullTopicName(),
Id: sub.ID,
Qos: uint32(sub.QoS),
NoLocal: sub.NoLocal,
RetainAsPublished: sub.RetainAsPublished,
RetainHandling: uint32(sub.RetainHandling),
ClientId: clientID,
}
key := clientID + "_" + sub.GetFullTopicName()
s.subIndexer.Set(key, subInfo)
}
func (s *store) removeSubscription(clientID string, topicName string) {
s.subMu.Lock()
defer s.subMu.Unlock()
s.subIndexer.Remove(clientID + "_" + topicName)
}
func (s *store) addClient(client server.Client) {
c := newClientInfo(client, uint32(s.config.MQTT.MaxQueuedMsg))
s.clientMu.Lock()
s.clientIndexer.Set(c.ClientId, c)
s.clientMu.Unlock()
}
func (s *store) setClientDisconnected(clientID string) {
s.clientMu.Lock()
defer s.clientMu.Unlock()
l := s.clientIndexer.GetByID(clientID)
if l == nil {
return
}
l.Value.(*Client).DisconnectedAt = timestamppb.Now()
}
func (s *store) removeClient(clientID string) {
s.clientMu.Lock()
s.clientIndexer.Remove(clientID)
s.clientMu.Unlock()
}
// GetClientByID returns the client information for the given client id.
func (s *store) GetClientByID(clientID string) *Client {
s.clientMu.RLock()
defer s.clientMu.RUnlock()
c := s.getClientByIDLocked(clientID)
fillClientInfo(c, s.statsReader)
return c
}
func newClientInfo(client server.Client, maxQueue uint32) *Client {
clientOptions := client.ClientOptions()
rs := &Client{
ClientId: clientOptions.ClientID,
Username: clientOptions.Username,
KeepAlive: int32(clientOptions.KeepAlive),
Version: int32(client.Version()),
RemoteAddr: client.Connection().RemoteAddr().String(),
LocalAddr: client.Connection().LocalAddr().String(),
ConnectedAt: timestamppb.New(client.ConnectedAt()),
DisconnectedAt: nil,
SessionExpiry: clientOptions.SessionExpiry,
MaxInflight: uint32(clientOptions.MaxInflight),
MaxQueue: maxQueue,
}
return rs
}
func (s *store) getClientByIDLocked(clientID string) *Client {
if i := s.clientIndexer.GetByID(clientID); i != nil {
return i.Value.(*Client)
}
return nil
}
func fillClientInfo(c *Client, stsReader server.StatsReader) {
if c == nil {
return
}
sts, ok := stsReader.GetClientStats(c.ClientId)
if !ok {
return
}
c.SubscriptionsCurrent = uint32(sts.SubscriptionStats.SubscriptionsCurrent)
c.SubscriptionsTotal = uint32(sts.SubscriptionStats.SubscriptionsTotal)
c.PacketsReceivedBytes = sts.PacketStats.BytesReceived.Total
c.PacketsReceivedNums = sts.PacketStats.ReceivedTotal.Total
c.PacketsSendBytes = sts.PacketStats.BytesSent.Total
c.PacketsSendNums = sts.PacketStats.SentTotal.Total
c.MessageDropped = sts.MessageStats.GetDroppedTotal()
c.InflightLen = uint32(sts.MessageStats.InflightCurrent)
c.QueueLen = uint32(sts.MessageStats.QueuedCurrent)
}
// GetClients
func (s *store) GetClients(page, pageSize uint) (rs []*Client, total uint32, err error) {
rs = make([]*Client, 0)
fn := func(elem *list.Element) {
c := elem.Value.(*Client)
fillClientInfo(c, s.statsReader)
rs = append(rs, elem.Value.(*Client))
}
s.clientMu.RLock()
defer s.clientMu.RUnlock()
offset, n := GetOffsetN(page, pageSize)
s.clientIndexer.Iterate(fn, offset, n)
return rs, uint32(s.clientIndexer.Len()), nil
}
// GetSubscriptions
func (s *store) GetSubscriptions(page, pageSize uint) (rs []*Subscription, total uint32, err error) {
rs = make([]*Subscription, 0)
fn := func(elem *list.Element) {
rs = append(rs, elem.Value.(*Subscription))
}
s.subMu.RLock()
defer s.subMu.RUnlock()
offset, n := GetOffsetN(page, pageSize)
s.subIndexer.Iterate(fn, offset, n)
return rs, uint32(s.subIndexer.Len()), nil
}