mirror of
https://github.com/Luzifer/culmqtt.git
synced 2024-11-14 16:52:42 +00:00
45 lines
961 B
Go
45 lines
961 B
Go
|
package packets
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"io"
|
||
|
)
|
||
|
|
||
|
//UnsubackPacket is an internal representation of the fields of the
|
||
|
//Unsuback MQTT packet
|
||
|
type UnsubackPacket struct {
|
||
|
FixedHeader
|
||
|
MessageID uint16
|
||
|
}
|
||
|
|
||
|
func (ua *UnsubackPacket) String() string {
|
||
|
str := fmt.Sprintf("%s", ua.FixedHeader)
|
||
|
str += " "
|
||
|
str += fmt.Sprintf("MessageID: %d", ua.MessageID)
|
||
|
return str
|
||
|
}
|
||
|
|
||
|
func (ua *UnsubackPacket) Write(w io.Writer) error {
|
||
|
var err error
|
||
|
ua.FixedHeader.RemainingLength = 2
|
||
|
packet := ua.FixedHeader.pack()
|
||
|
packet.Write(encodeUint16(ua.MessageID))
|
||
|
_, err = packet.WriteTo(w)
|
||
|
|
||
|
return err
|
||
|
}
|
||
|
|
||
|
//Unpack decodes the details of a ControlPacket after the fixed
|
||
|
//header has been read
|
||
|
func (ua *UnsubackPacket) Unpack(b io.Reader) error {
|
||
|
ua.MessageID = decodeUint16(b)
|
||
|
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
//Details returns a Details struct containing the Qos and
|
||
|
//MessageID of this ControlPacket
|
||
|
func (ua *UnsubackPacket) Details() Details {
|
||
|
return Details{Qos: 0, MessageID: ua.MessageID}
|
||
|
}
|