Пример #1
0
func Test_persistInbound_pubrel(t *testing.T) {
	ts := &TestStore{}
	pub := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pub.Qos = 2
	pub.TopicName = "/pub2"
	pub.Payload = []byte{0xCC, 0x06}
	pub.MessageID = 55
	publishKey := inboundKeyFromMID(pub.MessageID)
	ts.Put(publishKey, pub)

	m := packets.NewControlPacket(packets.Pubrel).(*packets.PubrelPacket)
	m.MessageID = 55

	persistInbound(ts, m) // will overwrite publish

	if len(ts.mput) != 2 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #2
0
func Test_persistInbound_puback(t *testing.T) {
	ts := &TestStore{}
	pub := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pub.Qos = 1
	pub.TopicName = "/pub1"
	pub.Payload = []byte{0xCC, 0x04}
	pub.MessageID = 53
	publishKey := inboundKeyFromMID(pub.MessageID)
	ts.Put(publishKey, pub)

	m := packets.NewControlPacket(packets.Puback).(*packets.PubackPacket)
	m.MessageID = 53

	persistInbound(ts, m) // "deletes" packets.Publish from store

	if len(ts.mput) != 1 { // not actually deleted in TestStore
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 1 || ts.mdel[0] != 53 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #3
0
func Test_persistInbound_pubrec(t *testing.T) {
	ts := &TestStore{}
	pub := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pub.Qos = 2
	pub.TopicName = "/pub2"
	pub.Payload = []byte{0xCC, 0x05}
	pub.MessageID = 54
	publishKey := inboundKeyFromMID(pub.MessageID)
	ts.Put(publishKey, pub)

	m := packets.NewControlPacket(packets.Pubrec).(*packets.PubrecPacket)
	m.MessageID = 54

	persistInbound(ts, m)

	if len(ts.mput) != 1 || ts.mput[0] != 54 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #4
0
// Subscribe starts a new subscription. Provide a MessageHandler to be executed when
// a message is published on the topic provided.
func (c *Client) Subscribe(topic string, qos byte, callback MessageHandler) Token {
	token := newToken(packets.Subscribe).(*SubscribeToken)
	DEBUG.Println(CLI, "enter Subscribe")
	if !c.IsConnected() {
		token.err = ErrNotConnected
		token.flowComplete()
		return token
	}
	sub := packets.NewControlPacket(packets.Subscribe).(*packets.SubscribePacket)
	if err := validateTopicAndQos(topic, qos); err != nil {
		token.err = err
		return token
	}
	sub.Topics = append(sub.Topics, topic)
	sub.Qoss = append(sub.Qoss, qos)
	DEBUG.Println(sub.String())

	if callback != nil {
		c.msgRouter.addRoute(topic, callback)
	}

	token.subs = append(token.subs, topic)
	c.oboundP <- &PacketAndToken{p: sub, t: token}
	DEBUG.Println(CLI, "exit Subscribe")
	return token
}
Пример #5
0
// SubscribeMultiple starts a new subscription for multiple topics. Provide a MessageHandler to
// be executed when a message is published on one of the topics provided.
func (c *Client) SubscribeMultiple(filters map[string]byte, callback MessageHandler) Token {
	var err error
	token := newToken(packets.Subscribe).(*SubscribeToken)
	DEBUG.Println(CLI, "enter SubscribeMultiple")
	if !c.IsConnected() {
		token.err = ErrNotConnected
		token.flowComplete()
		return token
	}
	sub := packets.NewControlPacket(packets.Subscribe).(*packets.SubscribePacket)
	if sub.Topics, sub.Qoss, err = validateSubscribeMap(filters); err != nil {
		token.err = err
		return token
	}

	if callback != nil {
		for topic := range filters {
			c.msgRouter.addRoute(topic, callback)
		}
	}
	token.subs = make([]string, len(sub.Topics))
	copy(token.subs, sub.Topics)
	c.oboundP <- &PacketAndToken{p: sub, t: token}
	DEBUG.Println(CLI, "exit SubscribeMultiple")
	return token
}
Пример #6
0
func keepalive(c *Client) {
	DEBUG.Println(PNG, "keepalive starting")
	c.pingOutstanding = false

	for {
		select {
		case <-c.stop:
			DEBUG.Println(PNG, "keepalive stopped")
			c.workers.Done()
			return
		default:
			last := uint(time.Since(c.lastContact.get()).Seconds())
			//DEBUG.Printf("%s last contact: %d (timeout: %d)", PNG, last, uint(c.options.KeepAlive.Seconds()))
			if last > uint(c.options.KeepAlive.Seconds()) {
				if !c.pingOutstanding {
					DEBUG.Println(PNG, "keepalive sending ping")
					ping := packets.NewControlPacket(packets.Pingreq).(*packets.PingreqPacket)
					//We don't want to wait behind large messages being sent, the Write call
					//will block until it it able to send the packet.
					ping.Write(c.conn)
					c.pingOutstanding = true
				} else {
					CRITICAL.Println(PNG, "pingresp not received, disconnecting")
					c.workers.Done()
					c.internalConnLost(errors.New("pingresp not received, disconnecting"))
					return
				}
			}
			time.Sleep(1 * time.Second)
		}
	}
}
Пример #7
0
func newConnectMsgFromOptions(options *ClientOptions) *packets.ConnectPacket {
	m := packets.NewControlPacket(packets.Connect).(*packets.ConnectPacket)

	m.CleanSession = options.CleanSession
	m.WillFlag = options.WillEnabled
	m.WillRetain = options.WillRetained
	m.ClientIdentifier = options.ClientID

	if options.WillEnabled {
		m.WillQos = options.WillQos
		m.WillTopic = options.WillTopic
		m.WillMessage = options.WillPayload
	}

	if options.Username != "" {
		m.UsernameFlag = true
		m.Username = options.Username
		//mustn't have password without user as well
		if options.Password != "" {
			m.PasswordFlag = true
			m.Password = []byte(options.Password)
		}
	}

	m.KeepaliveTimer = uint16(options.KeepAlive)

	return m
}
Пример #8
0
func Test_MatchAndDispatch(t *testing.T) {
	calledback := make(chan bool)

	cb := func(c *Client, m Message) {
		calledback <- true
	}

	pub := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pub.Qos = 2
	pub.TopicName = "a"
	pub.Payload = []byte("foo")

	msgs := make(chan *packets.PublishPacket)

	router, stopper := newRouter()
	router.addRoute("a", cb)

	router.matchAndDispatch(msgs, true, nil)

	msgs <- pub

	<-calledback

	stopper <- true

	select {
	case msgs <- pub:
		t.Errorf("msgs should not have a listener")
	default:
	}

}
Пример #9
0
func Test_NewPingReqMessage(t *testing.T) {
	pr := packets.NewControlPacket(packets.Pingreq).(*packets.PingreqPacket)
	if pr.MessageType != packets.Pingreq {
		t.Errorf("NewPingReqMessage bad msg type: %v", pr.MessageType)
	}
	if pr.RemainingLength != 0 {
		t.Errorf("NewPingReqMessage bad remlen, expected 0, got %d", pr.RemainingLength)
	}

	exp := []byte{
		0xC0,
		0x00,
	}

	var buf bytes.Buffer
	pr.Write(&buf)
	bs := buf.Bytes()

	if len(bs) != 2 {
		t.Errorf("NewPingReqMessage.Bytes() wrong length: %d", len(bs))
	}

	if exp[0] != bs[0] || exp[1] != bs[1] {
		t.Errorf("NewPingMessage.Bytes() wrong")
	}
}
Пример #10
0
// Publish will publish a message with the specified QoS
// and content to the specified topic.
// Returns a read only channel used to track
// the delivery of the message.
func (c *Client) Publish(topic string, qos byte, retained bool, payload interface{}) Token {
	token := newToken(packets.Publish).(*PublishToken)
	DEBUG.Println(CLI, "enter Publish")
	if !c.IsConnected() {
		token.err = ErrNotConnected
		token.flowComplete()
		return token
	}
	pub := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pub.Qos = qos
	pub.TopicName = topic
	pub.Retain = retained
	switch payload.(type) {
	case string:
		pub.Payload = []byte(payload.(string))
	case []byte:
		pub.Payload = payload.([]byte)
	default:
		token.err = errors.New("Unknown payload type")
		token.flowComplete()
		return token
	}

	DEBUG.Println(CLI, "sending publish message, topic:", topic)
	c.obound <- &PacketAndToken{p: pub, t: token}
	return token
}
Пример #11
0
func Test_FileStore_Get(t *testing.T) {
	storedir := "/tmp/TestStore/_get"
	f := NewFileStore(storedir)
	f.Open()
	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 1
	pm.TopicName = "/a/b/c"
	pm.Payload = []byte{0xBE, 0xEF, 0xED}
	pm.MessageID = 120

	key := outboundKeyFromMID(pm.MessageID)
	f.Put(key, pm)

	if !exists(storedir + "/o.120.msg") {
		t.Fatalf("message not in store")
	}

	exp := []byte{
		/* msg type */
		0x32, // qos 1

		/* remlen */
		0x0d,

		/* topic, msg id in varheader */
		0x00, // length of topic
		0x06,
		0x2F, // /
		0x61, // a
		0x2F, // /
		0x62, // b
		0x2F, // /
		0x63, // c

		/* msg id (is always 2 bytes) */
		0x00,
		0x78,

		/*payload */
		0xBE,
		0xEF,
		0xED,
	}

	m := f.Get(key)

	if m == nil {
		t.Fatalf("message not retreived from store")
	}

	var msg bytes.Buffer
	m.Write(&msg)
	if !bytes.Equal(exp, msg.Bytes()) {
		t.Fatal("message from store not same as what went in", msg.Bytes())
	}
}
Пример #12
0
func Test_MemoryStore_Get(t *testing.T) {
	m := NewMemoryStore()
	m.Open()
	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 1
	pm.TopicName = "/a/b/c"
	pm.Payload = []byte{0xBE, 0xEF, 0xED}
	pm.MessageID = 120

	key := outboundKeyFromMID(pm.MessageID)
	m.Put(key, pm)

	if len(m.messages) != 1 {
		t.Fatalf("message not in store")
	}

	exp := []byte{
		/* msg type */
		0x32, // qos 1

		/* remlen */
		0x0d,

		/* topic, msg id in varheader */
		0x00, // length of topic
		0x06,
		0x2F, // /
		0x61, // a
		0x2F, // /
		0x62, // b
		0x2F, // /
		0x63, // c

		/* msg id (is always 2 bytes) */
		0x00,
		0x78,

		/*payload */
		0xBE,
		0xEF,
		0xED,
	}

	msg := m.Get(key)

	if msg == nil {
		t.Fatalf("message not retreived from store")
	}

	var buf bytes.Buffer
	msg.Write(&buf)
	if !bytes.Equal(exp, buf.Bytes()) {
		t.Fatalf("message from store not same as what went in")
	}
}
Пример #13
0
func (c *client) process(in, out chan packets.ControlPacket) {
	conn := c.conn
	for {
		cp, err := packets.ReadPacket(conn)
		if err != nil {
			log.Printf("%s\n", err.Error())
			if err == io.EOF {
				return
			}
		}
		switch cp.(type) {
		case *packets.PublishPacket:
			log.Printf("%s\n", cp.String())
			p := cp.(*packets.PublishPacket)
			log.Printf("%s\n", p.TopicName)

			c.hms.Publish(p.TopicName, p.Payload)
			if p.Qos == 1 {
				pa := packets.NewControlPacket(packets.Puback).(*packets.PubackPacket)
				pa.MessageID = p.MessageID
				pa.Write(conn)
			}

		case *packets.ConnectPacket:
			log.Printf("%s\n", cp.String())
			p := cp.(*packets.ConnectPacket)
			log.Printf("%s\n", p.ProtocolName)
			c.id = p.ClientIdentifier
			ca := packets.NewControlPacket(packets.Connack).(*packets.ConnackPacket)
			ca.Write(conn)

		case *packets.SubscribePacket:
			p := cp.(*packets.SubscribePacket)
			c.hms.Subscribe(p.Topics[0], c.id)
			if p.Qos > 0 {
				pa := packets.NewControlPacket(packets.Suback).(*packets.SubackPacket)
				pa.MessageID = p.MessageID
				pa.Write(conn)
			}
		}
	}
}
Пример #14
0
func Test_MemoryStore_write(t *testing.T) {
	m := NewMemoryStore()
	m.Open()

	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 1
	pm.TopicName = "/a/b/c"
	pm.Payload = []byte{0xBE, 0xEF, 0xED}
	pm.MessageID = 91
	key := inboundKeyFromMID(pm.MessageID)
	m.Put(key, pm)

	if len(m.messages) != 1 {
		t.Fatalf("message not in store")
	}
}
Пример #15
0
// Disconnect will end the connection with the server, but not before waiting
// the specified number of milliseconds to wait for existing work to be
// completed.
func (c *Client) Disconnect(quiesce uint) {
	if !c.IsConnected() {
		WARN.Println(CLI, "already disconnected")
		return
	}
	DEBUG.Println(CLI, "disconnecting")
	c.setConnected(false)

	dm := packets.NewControlPacket(packets.Disconnect).(*packets.DisconnectPacket)
	dt := newToken(packets.Disconnect)
	c.oboundP <- &PacketAndToken{p: dm, t: dt}

	// wait for work to finish, or quiesce time consumed
	dt.WaitTimeout(time.Duration(quiesce) * time.Millisecond)
	c.disconnect()
}
Пример #16
0
func Test_persistInbound_connack(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Connack)
	persistInbound(ts, m)

	if len(ts.mput) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #17
0
func Test_persistOutbound_disconnect(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Disconnect)
	persistOutbound(ts, m)

	if len(ts.mput) != 0 {
		t.Fatalf("persistOutbound put message it should not have")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistOutbound get message it should not have")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistOutbound del message it should not have")
	}
}
Пример #18
0
func Test_persistOutbound_pubrel(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Pubrel).(*packets.PubrelPacket)
	m.MessageID = 43

	persistOutbound(ts, m)

	if len(ts.mput) != 1 || ts.mput[0] != 43 {
		t.Fatalf("persistOutbound put message it should not have")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistOutbound get message it should not have")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistOutbound del message it should not have")
	}
}
Пример #19
0
func Test_persistOutbound_unsubscribe(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Unsubscribe).(*packets.UnsubscribePacket)
	m.Topics = []string{"/posub"}
	m.MessageID = 45
	persistOutbound(ts, m)

	if len(ts.mput) != 1 || ts.mput[0] != 45 {
		t.Fatalf("persistOutbound put message it should not have")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistOutbound get message it should not have")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistOutbound del message it should not have")
	}
}
Пример #20
0
func Test_FileStore_write(t *testing.T) {
	storedir := "/tmp/TestStore/_write"
	f := NewFileStore(storedir)
	f.Open()

	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 1
	pm.TopicName = "a/b/c"
	pm.Payload = []byte{0xBE, 0xEF, 0xED}
	pm.MessageID = 91

	key := inboundKeyFromMID(pm.MessageID)
	f.Put(key, pm)

	if !exists(storedir + "/i.91.msg") {
		t.Fatalf("message not in store")
	}

}
Пример #21
0
// Unsubscribe will end the subscription from each of the topics provided.
// Messages published to those topics from other clients will no longer be
// received.
func (c *Client) Unsubscribe(topics ...string) Token {
	token := newToken(packets.Unsubscribe).(*UnsubscribeToken)
	DEBUG.Println(CLI, "enter Unsubscribe")
	if !c.IsConnected() {
		token.err = ErrNotConnected
		token.flowComplete()
		return token
	}
	unsub := packets.NewControlPacket(packets.Unsubscribe).(*packets.UnsubscribePacket)
	unsub.Topics = make([]string, len(topics))
	copy(unsub.Topics, topics)

	c.oboundP <- &PacketAndToken{p: unsub, t: token}
	for _, topic := range topics {
		c.msgRouter.deleteRoute(topic)
	}

	DEBUG.Println(CLI, "exit Unsubscribe")
	return token
}
Пример #22
0
func Test_persistInbound_unsuback(t *testing.T) {
	ts := &TestStore{}

	m := packets.NewControlPacket(packets.Unsuback).(*packets.UnsubackPacket)
	m.MessageID = 58

	persistInbound(ts, m)

	if len(ts.mput) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 1 || ts.mdel[0] != 58 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #23
0
func Test_persistInbound_pubcomp(t *testing.T) {
	ts := &TestStore{}

	m := packets.NewControlPacket(packets.Pubcomp).(*packets.PubcompPacket)
	m.MessageID = 56

	persistInbound(ts, m)

	if len(ts.mput) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 1 || ts.mdel[0] != 56 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #24
0
func Test_persistOutbound_publish_2(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	m.Qos = 2
	m.TopicName = "/popub2"
	m.Payload = []byte{0xBB, 0x00}
	m.MessageID = 42
	persistOutbound(ts, m)

	if len(ts.mput) != 1 || ts.mput[0] != 42 {
		t.Fatalf("persistOutbound put message it should not have")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistOutbound get message it should not have")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistOutbound del message it should not have")
	}
}
Пример #25
0
func Test_persistInbound_publish_2(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	m.Qos = 2
	m.TopicName = "/pipub2"
	m.Payload = []byte{0xCC, 0x03}
	m.MessageID = 52
	persistInbound(ts, m)

	if len(ts.mput) != 1 || ts.mput[0] != 52 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistInbound in bad state")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistInbound in bad state")
	}
}
Пример #26
0
func Test_FileStore_All(t *testing.T) {
	storedir := "/tmp/TestStore/_all"
	f := NewFileStore(storedir)
	f.Open()
	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 2
	pm.TopicName = "/t/r/v"
	pm.Payload = []byte{0x01, 0x02}
	pm.MessageID = 121

	key := outboundKeyFromMID(pm.MessageID)
	f.Put(key, pm)

	keys := f.All()
	if len(keys) != 1 {
		t.Fatalf("FileStore.All does not have the messages")
	}

	if keys[0] != "o.121" {
		t.Fatalf("FileStore.All has wrong key")
	}
}
Пример #27
0
func Test_persistOutbound_connect(t *testing.T) {
	ts := &TestStore{}
	m := packets.NewControlPacket(packets.Connect).(*packets.ConnectPacket)
	m.Qos = 0
	m.Username = "******"
	m.Password = []byte("pass")
	m.ClientIdentifier = "cid"
	//m := newConnectMsg(false, false, QOS_ZERO, false, "", nil, "cid", "user", "pass", 10)
	persistOutbound(ts, m)

	if len(ts.mput) != 0 {
		t.Fatalf("persistOutbound put message it should not have")
	}

	if len(ts.mget) != 0 {
		t.Fatalf("persistOutbound get message it should not have")
	}

	if len(ts.mdel) != 0 {
		t.Fatalf("persistOutbound del message it should not have")
	}
}
Пример #28
0
func Test_MemoryStore_Reset(t *testing.T) {
	m := NewMemoryStore()
	m.Open()

	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 2
	pm.TopicName = "/f/r/s"
	pm.Payload = []byte{0xAB}
	pm.MessageID = 81

	key := outboundKeyFromMID(pm.MessageID)
	m.Put(key, pm)

	if len(m.messages) != 1 {
		t.Fatalf("message not in memstore")
	}

	m.Reset()

	if len(m.messages) != 0 {
		t.Fatalf("reset did not clear memstore")
	}
}
Пример #29
0
func Test_MemoryStore_Del(t *testing.T) {
	m := NewMemoryStore()
	m.Open()

	pm := packets.NewControlPacket(packets.Publish).(*packets.PublishPacket)
	pm.Qos = 1
	pm.TopicName = "/a/b/c"
	pm.Payload = []byte{0xBE, 0xEF, 0xED}
	pm.MessageID = 17

	key := outboundKeyFromMID(pm.MessageID)

	m.Put(key, pm)

	if len(m.messages) != 1 {
		t.Fatalf("message not in store")
	}

	m.Del(key)

	if len(m.messages) != 1 {
		t.Fatalf("message still exists after deletion")
	}
}
Пример #30
0
// receive Message objects on ibound
// store messages if necessary
// send replies on obound
// delete messages from store if necessary
func alllogic(c *Client) {

	DEBUG.Println(NET, "logic started")

	for {
		DEBUG.Println(NET, "logic waiting for msg on ibound")

		select {
		case msg := <-c.ibound:
			DEBUG.Println(NET, "logic got msg on ibound")
			//persist_ibound(c.persist, msg)
			switch msg.(type) {
			case *packets.PingrespPacket:
				DEBUG.Println(NET, "received pingresp")
				c.pingOutstanding = false
			case *packets.SubackPacket:
				sa := msg.(*packets.SubackPacket)
				DEBUG.Println(NET, "received suback, id:", sa.MessageID)
				token := c.getToken(sa.MessageID).(*SubscribeToken)
				DEBUG.Println(NET, "granted qoss", sa.GrantedQoss)
				for i, qos := range sa.GrantedQoss {
					token.subResult[token.subs[i]] = qos
				}
				token.flowComplete()
				go c.freeID(sa.MessageID)
			case *packets.UnsubackPacket:
				ua := msg.(*packets.UnsubackPacket)
				DEBUG.Println(NET, "received unsuback, id:", ua.MessageID)
				token := c.getToken(ua.MessageID).(*UnsubscribeToken)
				token.flowComplete()
				go c.freeID(ua.MessageID)
			case *packets.PublishPacket:
				pp := msg.(*packets.PublishPacket)
				DEBUG.Println(NET, "received publish, msgId:", pp.MessageID)
				DEBUG.Println(NET, "putting msg on onPubChan")
				switch pp.Qos {
				case 2:
					c.incomingPubChan <- pp
					DEBUG.Println(NET, "done putting msg on incomingPubChan")
					pr := packets.NewControlPacket(packets.Pubrec).(*packets.PubrecPacket)
					pr.MessageID = pp.MessageID
					DEBUG.Println(NET, "putting pubrec msg on obound")
					c.oboundP <- &PacketAndToken{p: pr, t: nil}
					DEBUG.Println(NET, "done putting pubrec msg on obound")
				case 1:
					c.incomingPubChan <- pp
					DEBUG.Println(NET, "done putting msg on incomingPubChan")
					pa := packets.NewControlPacket(packets.Puback).(*packets.PubackPacket)
					pa.MessageID = pp.MessageID
					DEBUG.Println(NET, "putting puback msg on obound")
					c.oboundP <- &PacketAndToken{p: pa, t: nil}
					DEBUG.Println(NET, "done putting puback msg on obound")
				case 0:
					select {
					case c.incomingPubChan <- pp:
						DEBUG.Println(NET, "done putting msg on incomingPubChan")
					case err, ok := <-c.errors:
						DEBUG.Println(NET, "error while putting msg on pubChanZero")
						// We are unblocked, but need to put the error back on so the outer
						// select can handle it appropriately.
						if ok {
							go func(errVal error, errChan chan error) {
								errChan <- errVal
							}(err, c.errors)
						}
					}
				}
			case *packets.PubackPacket:
				pa := msg.(*packets.PubackPacket)
				DEBUG.Println(NET, "received puback, id:", pa.MessageID)
				// c.receipts.get(msg.MsgId()) <- Receipt{}
				// c.receipts.end(msg.MsgId())
				c.getToken(pa.MessageID).flowComplete()
				c.freeID(pa.MessageID)
			case *packets.PubrecPacket:
				prec := msg.(*packets.PubrecPacket)
				DEBUG.Println(NET, "received pubrec, id:", prec.MessageID)
				prel := packets.NewControlPacket(packets.Pubrel).(*packets.PubrelPacket)
				prel.MessageID = prec.MessageID
				select {
				case c.oboundP <- &PacketAndToken{p: prel, t: nil}:
				case <-time.After(time.Second):
				}
			case *packets.PubrelPacket:
				pr := msg.(*packets.PubrelPacket)
				DEBUG.Println(NET, "received pubrel, id:", pr.MessageID)
				pc := packets.NewControlPacket(packets.Pubcomp).(*packets.PubcompPacket)
				pc.MessageID = pr.MessageID
				select {
				case c.oboundP <- &PacketAndToken{p: pc, t: nil}:
				case <-time.After(time.Second):
				}
			case *packets.PubcompPacket:
				pc := msg.(*packets.PubcompPacket)
				DEBUG.Println(NET, "received pubcomp, id:", pc.MessageID)
				c.getToken(pc.MessageID).flowComplete()
				c.freeID(pc.MessageID)
			}
		case <-c.stop:
			WARN.Println(NET, "logic stopped")
			return
		case err := <-c.errors:
			ERROR.Println(NET, "logic got error")
			c.internalConnLost(err)
			return
		}
		c.lastContact.update()
	}
}