aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/godbus/dbus/transport_generic.go
blob: 718a1ff0219a1586f758a42a1d4d6c984036fbed (plain)
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
package dbus

import (
	"encoding/binary"
	"errors"
	"io"
	"unsafe"
)

var nativeEndian binary.ByteOrder

func detectEndianness() binary.ByteOrder {
	var x uint32 = 0x01020304
	if *(*byte)(unsafe.Pointer(&x)) == 0x01 {
		return binary.BigEndian
	}
	return binary.LittleEndian
}

func init() {
	nativeEndian = detectEndianness()
}

type genericTransport struct {
	io.ReadWriteCloser
}

func (t genericTransport) SendNullByte() error {
	_, err := t.Write([]byte{0})
	return err
}

func (t genericTransport) SupportsUnixFDs() bool {
	return false
}

func (t genericTransport) EnableUnixFDs() {}

func (t genericTransport) ReadMessage() (*Message, error) {
	return DecodeMessage(t)
}

func (t genericTransport) SendMessage(msg *Message) error {
	for _, v := range msg.Body {
		if _, ok := v.(UnixFD); ok {
			return errors.New("dbus: unix fd passing not enabled")
		}
	}
	return msg.EncodeTo(t, nativeEndian)
}