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packet_service.go
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/
packet_service.go
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package libimobiledevice
import (
"bytes"
"encoding/binary"
"fmt"
"howett.net/plist"
)
var _ Packet = (*servicePacket)(nil)
type servicePacket struct {
length uint32
body []byte
}
func (p *servicePacket) Pack() ([]byte, error) {
buf := new(bytes.Buffer)
b := make([]byte, 4)
binary.BigEndian.PutUint32(b, p.length)
buf.Write(b)
buf.Write(p.body)
return buf.Bytes(), nil
}
func (p *servicePacket) Unpack(buffer *bytes.Buffer) (pkt Packet, err error) {
respPkt := new(servicePacket)
if err = binary.Read(buffer, binary.BigEndian, &respPkt.length); err != nil {
return nil, fmt.Errorf("packet (service) unpack: %w", err)
}
respPkt.body = buffer.Bytes()
return respPkt, nil
}
func (p *servicePacket) Unmarshal(v interface{}) (err error) {
_, err = plist.Unmarshal(p.body, v)
return
}
func (p *servicePacket) String() string {
return fmt.Sprintf("Length: %d\n%s", p.length, p.body)
}