-
Notifications
You must be signed in to change notification settings - Fork 465
/
mgr.go
89 lines (78 loc) · 1.5 KB
/
mgr.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
package rule
import (
"net"
"sync"
"github.com/lwch/natpass/code/client/conn"
)
// Link link interface
type Link interface {
GetID() string
// GetBytes rx, tx
GetBytes() (uint64, uint64)
// GetPackets rx, tx
GetPackets() (uint64, uint64)
}
// Rule rule interface
type Rule interface {
GetName() string
GetPort() uint16
GetTypeName() string
}
// LinkedRule linked rule interface
type LinkedRule interface {
NewLink(id, remote string, localConn net.Conn, remoteConn *conn.Conn) Link
GetRemote() string
GetTarget() string
GetLinks() []Link
OnDisconnect(string)
}
// Mgr rule manager
type Mgr struct {
sync.RWMutex
rules []Rule
}
// New new rule manager
func New() *Mgr {
return &Mgr{}
}
// Add add rule
func (mgr *Mgr) Add(rule Rule) {
mgr.Lock()
defer mgr.Unlock()
mgr.rules = append(mgr.rules, rule)
}
// GetLinked get rule by name
func (mgr *Mgr) GetLinked(name, remote string) LinkedRule {
mgr.RLock()
defer mgr.RUnlock()
for _, r := range mgr.rules {
lr, ok := r.(LinkedRule)
if !ok {
continue
}
if r.GetName() == name && lr.GetRemote() == remote {
return lr
}
}
return nil
}
// Range range rules
func (mgr *Mgr) Range(fn func(Rule)) {
mgr.RLock()
defer mgr.RUnlock()
for _, t := range mgr.rules {
fn(t)
}
}
// OnDisconnect on disconnect message
func (mgr *Mgr) OnDisconnect(id string) {
var links []LinkedRule
mgr.Range(func(r Rule) {
if lr, ok := r.(LinkedRule); ok {
links = append(links, lr)
}
})
for _, link := range links {
go link.OnDisconnect(id)
}
}