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104 lines
2.1 KiB
104 lines
2.1 KiB
/*
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* Copyright (c) 2013 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Seth Hoenig
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* Allan Stockdill-Mander
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* Mike Robertson
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*/
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package mqtt
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import (
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"github.com/eclipse/paho.mqtt.golang/packets"
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)
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// Message defines the externals that a message implementation must support
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// these are received messages that are passed to the callbacks, not internal
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// messages
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type Message interface {
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Duplicate() bool
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Qos() byte
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Retained() bool
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Topic() string
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MessageID() uint16
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Payload() []byte
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}
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type message struct {
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duplicate bool
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qos byte
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retained bool
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topic string
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messageID uint16
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payload []byte
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}
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func (m *message) Duplicate() bool {
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return m.duplicate
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}
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func (m *message) Qos() byte {
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return m.qos
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}
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func (m *message) Retained() bool {
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return m.retained
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}
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func (m *message) Topic() string {
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return m.topic
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}
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func (m *message) MessageID() uint16 {
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return m.messageID
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}
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func (m *message) Payload() []byte {
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return m.payload
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}
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func messageFromPublish(p *packets.PublishPacket) Message {
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return &message{
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duplicate: p.Dup,
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qos: p.Qos,
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retained: p.Retain,
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topic: p.TopicName,
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messageID: p.MessageID,
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payload: p.Payload,
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}
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}
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func newConnectMsgFromOptions(options *ClientOptions) *packets.ConnectPacket {
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m := packets.NewControlPacket(packets.Connect).(*packets.ConnectPacket)
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m.CleanSession = options.CleanSession
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m.WillFlag = options.WillEnabled
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m.WillRetain = options.WillRetained
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m.ClientIdentifier = options.ClientID
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if options.WillEnabled {
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m.WillQos = options.WillQos
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m.WillTopic = options.WillTopic
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m.WillMessage = options.WillPayload
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}
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if options.Username != "" {
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m.UsernameFlag = true
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m.Username = options.Username
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//mustn't have password without user as well
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if options.Password != "" {
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m.PasswordFlag = true
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m.Password = []byte(options.Password)
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}
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}
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m.Keepalive = uint16(options.KeepAlive.Seconds())
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return m
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}
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