mirror of https://github.com/tidwall/tile38.git
45 lines
952 B
Go
45 lines
952 B
Go
package packets
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
)
|
|
|
|
//PubackPacket is an internal representation of the fields of the
|
|
//Puback MQTT packet
|
|
type PubackPacket struct {
|
|
FixedHeader
|
|
MessageID uint16
|
|
}
|
|
|
|
func (pa *PubackPacket) String() string {
|
|
str := fmt.Sprintf("%s", pa.FixedHeader)
|
|
str += " "
|
|
str += fmt.Sprintf("MessageID: %d", pa.MessageID)
|
|
return str
|
|
}
|
|
|
|
func (pa *PubackPacket) Write(w io.Writer) error {
|
|
var err error
|
|
pa.FixedHeader.RemainingLength = 2
|
|
packet := pa.FixedHeader.pack()
|
|
packet.Write(encodeUint16(pa.MessageID))
|
|
_, err = packet.WriteTo(w)
|
|
|
|
return err
|
|
}
|
|
|
|
//Unpack decodes the details of a ControlPacket after the fixed
|
|
//header has been read
|
|
func (pa *PubackPacket) Unpack(b io.Reader) error {
|
|
pa.MessageID = decodeUint16(b)
|
|
|
|
return nil
|
|
}
|
|
|
|
//Details returns a Details struct containing the Qos and
|
|
//MessageID of this ControlPacket
|
|
func (pa *PubackPacket) Details() Details {
|
|
return Details{Qos: pa.Qos, MessageID: pa.MessageID}
|
|
}
|