-
Notifications
You must be signed in to change notification settings - Fork 4
/
tcpudp.go
74 lines (61 loc) · 1.47 KB
/
tcpudp.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
// Unless explicitly stated otherwise all files in this repository are licensed
// under the MIT License.
// This product includes software developed at Guance Cloud (https://www.guance.com/).
// Copyright 2021-present Guance, Inc.
package logger
import (
"fmt"
"net"
"strings"
)
type remoteEndpoint struct {
protocol string
host string
tcpConn *net.TCPConn
udpConn *net.UDPConn
}
func newRemoteSync(proto, iphost string) (*remoteEndpoint, error) {
switch strings.ToLower(proto) {
case SchemeTCP:
addr, err := net.ResolveTCPAddr("tcp", iphost)
if err != nil {
return nil, err
}
conn, err := net.DialTCP("tcp", nil, addr)
if err != nil {
return nil, err
}
return &remoteEndpoint{
protocol: proto,
host: iphost,
tcpConn: conn,
}, nil
case SchemeUDP:
addr, err := net.ResolveUDPAddr("udp", iphost)
if err != nil {
return nil, err
}
conn, err := net.DialUDP("udp", nil, addr)
if err != nil {
return nil, err
}
return &remoteEndpoint{
protocol: proto,
host: iphost,
udpConn: conn,
}, nil
default:
return nil, fmt.Errorf("unknown remote protocol: %s", proto)
}
}
func (te *remoteEndpoint) Write(data []byte) (int, error) {
switch strings.ToLower(te.protocol) {
case SchemeTCP:
return te.tcpConn.Write(data)
case SchemeUDP:
return te.udpConn.Write(data)
default:
return -1, fmt.Errorf("unknown remote protocol: %s", te.protocol)
}
}
func (te *remoteEndpoint) Sync() error { return nil } // do nothing