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