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package packets
import (
"fmt"
"github.com/pborman/uuid"
"io"
)
//PubrecPacket is an internal representation of the fields of the
//Pubrec MQTT packet
type PubrecPacket struct {
FixedHeader
MessageID uint16
uuid uuid.UUID
}
func (pr *PubrecPacket) String() string {
str := fmt.Sprintf("%s\n", pr.FixedHeader)
str += fmt.Sprintf("MessageID: %d", pr.MessageID)
return str
}
func (pr *PubrecPacket) Write(w io.Writer) error {
var err error
pr.FixedHeader.RemainingLength = 2
packet := pr.FixedHeader.pack()
packet.Write(encodeUint16(pr.MessageID))
_, err = packet.WriteTo(w)
return err
}
//Unpack decodes the details of a ControlPacket after the fixed
//header has been read
func (pr *PubrecPacket) Unpack(b io.Reader) {
pr.MessageID = decodeUint16(b)
}
//Details returns a Details struct containing the Qos and
//MessageID of this ControlPacket
func (pr *PubrecPacket) Details() Details {
return Details{Qos: pr.Qos, MessageID: pr.MessageID}
}
//UUID returns the unique ID assigned to the ControlPacket when
//it was originally received. Note: this is not related to the
//MessageID field for MQTT packets
func (pr *PubrecPacket) UUID() uuid.UUID {
return pr.uuid
}
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