-
-
Notifications
You must be signed in to change notification settings - Fork 273
/
packet_tracer.go
67 lines (53 loc) · 1.26 KB
/
packet_tracer.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
package interception
import (
"time"
"github.com/safing/portmaster/service/network/packet"
)
type tracedPacket struct {
start time.Time
packet.Packet
}
func tracePacket(p packet.Packet) packet.Packet {
return &tracedPacket{
start: time.Now(),
Packet: p,
}
}
func (p *tracedPacket) markServed(v string) {
if packetMetricsDestination == "" {
return
}
metrics.record(p, v)
}
func (p *tracedPacket) Accept() error {
defer p.markServed("accept")
return p.Packet.Accept()
}
func (p *tracedPacket) Block() error {
defer p.markServed("block")
return p.Packet.Block()
}
func (p *tracedPacket) Drop() error {
defer p.markServed("drop")
return p.Packet.Drop()
}
func (p *tracedPacket) PermanentAccept() error {
defer p.markServed("perm-accept")
return p.Packet.PermanentAccept()
}
func (p *tracedPacket) PermanentBlock() error {
defer p.markServed("perm-block")
return p.Packet.PermanentBlock()
}
func (p *tracedPacket) PermanentDrop() error {
defer p.markServed("perm-drop")
return p.Packet.PermanentDrop()
}
func (p *tracedPacket) RerouteToNameserver() error {
defer p.markServed("reroute-ns")
return p.Packet.RerouteToNameserver()
}
func (p *tracedPacket) RerouteToTunnel() error {
defer p.markServed("reroute-tunnel")
return p.Packet.RerouteToTunnel()
}