Example #1
0
func TestServiceFutureSurvival(t *testing.T) {
	connect := connectPacket()
	connect.ClientID = "test"
	connect.CleanSession = false

	connack := connackPacket()
	connack.SessionPresent = true

	publish1 := packet.NewPublishPacket()
	publish1.Message.Topic = "test"
	publish1.Message.Payload = []byte("test")
	publish1.Message.QOS = 1
	publish1.PacketID = 1

	publish2 := packet.NewPublishPacket()
	publish2.Message.Topic = "test"
	publish2.Message.Payload = []byte("test")
	publish2.Message.QOS = 1
	publish2.Dup = true
	publish2.PacketID = 1

	puback := packet.NewPubackPacket()
	puback.PacketID = 1

	broker1 := tools.NewFlow().
		Receive(connect).
		Send(connack).
		Receive(publish1).
		Close()

	broker2 := tools.NewFlow().
		Receive(connect).
		Send(connack).
		Receive(publish2).
		Send(puback).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker1, broker2)

	config := NewConfigWithClientID("tcp://localhost:"+port, "test")
	config.CleanSession = false

	s := NewService()

	s.Start(config)

	err := s.Publish("test", []byte("test"), 1, false).Wait()
	assert.NoError(t, err)

	s.Stop(true)

	<-done
}
Example #2
0
func TestClientSessionResumption(t *testing.T) {
	connect := connectPacket()
	connect.ClientID = "test"
	connect.CleanSession = false

	publish1 := packet.NewPublishPacket()
	publish1.Message.Topic = "test"
	publish1.Message.Payload = []byte("test")
	publish1.Message.QOS = 1
	publish1.PacketID = 1

	puback1 := packet.NewPubackPacket()
	puback1.PacketID = 1

	broker := tools.NewFlow().
		Receive(connect).
		Send(connackPacket()).
		Receive(publish1).
		Send(puback1).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	c := New()
	c.Session.SavePacket(outgoing, publish1)
	c.Session.PacketID()
	c.Callback = errorCallback(t)

	config := NewConfig("tcp://localhost:" + port)
	config.ClientID = "test"
	config.CleanSession = false

	connectFuture, err := c.Connect(config)
	assert.NoError(t, err)
	assert.NoError(t, connectFuture.Wait())
	assert.False(t, connectFuture.SessionPresent)
	assert.Equal(t, packet.ConnectionAccepted, connectFuture.ReturnCode)

	time.Sleep(20 * time.Millisecond)

	err = c.Disconnect()
	assert.NoError(t, err)

	<-done

	pkts, err := c.Session.AllPackets(outgoing)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(pkts))
}
Example #3
0
func TestClientDisconnectWithTimeout(t *testing.T) {
	publish := packet.NewPublishPacket()
	publish.Message.Topic = "test"
	publish.Message.Payload = []byte("test")
	publish.Message.QOS = 1
	publish.PacketID = 1

	puback := packet.NewPubackPacket()
	puback.PacketID = 1

	wait := func() {
		time.Sleep(100 * time.Millisecond)
	}

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(publish).
		Run(wait).
		Send(puback).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	c := New()
	c.Callback = errorCallback(t)

	connectFuture, err := c.Connect(NewConfig("tcp://localhost:" + port))
	assert.NoError(t, err)
	assert.NoError(t, connectFuture.Wait())
	assert.False(t, connectFuture.SessionPresent)
	assert.Equal(t, packet.ConnectionAccepted, connectFuture.ReturnCode)

	publishFuture, err := c.Publish("test", []byte("test"), 1, false)
	assert.NoError(t, err)
	assert.NotNil(t, publishFuture)

	err = c.Disconnect(10 * time.Second)
	assert.NoError(t, err)

	<-done

	assert.NoError(t, publishFuture.Wait())

	list, err := c.Session.AllPackets(outgoing)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(list))
}
Example #4
0
// handle an incoming PublishPacket
func (c *Client) processPublish(publish *packet.PublishPacket) error {
	if publish.Message.QOS == 1 {
		// prepare puback packet
		puback := packet.NewPubackPacket()
		puback.PacketID = publish.PacketID

		// acknowledge qos 1 publish
		err := c.send(puback, true)
		if err != nil {
			return c.die(err, false)
		}
	}

	if publish.Message.QOS == 2 {
		// store packet
		err := c.Session.SavePacket(incoming, publish)
		if err != nil {
			return c.die(err, true)
		}

		// prepare pubrec packet
		pubrec := packet.NewPubrecPacket()
		pubrec.PacketID = publish.PacketID

		// acknowledge qos 2 publish
		err = c.send(pubrec, true)
		if err != nil {
			return c.die(err, false)
		}
	}

	if publish.Message.QOS <= 1 {
		// call callback
		if c.Callback != nil {
			c.Callback(&publish.Message, nil)
		}
	}

	return nil
}
Example #5
0
func TestClientPublishSubscribeQOS1(t *testing.T) {
	subscribe := packet.NewSubscribePacket()
	subscribe.Subscriptions = []packet.Subscription{{Topic: "test", QOS: 1}}
	subscribe.PacketID = 1

	suback := packet.NewSubackPacket()
	suback.ReturnCodes = []uint8{1}
	suback.PacketID = 1

	publish := packet.NewPublishPacket()
	publish.Message.Topic = "test"
	publish.Message.Payload = []byte("test")
	publish.Message.QOS = 1
	publish.PacketID = 2

	puback := packet.NewPubackPacket()
	puback.PacketID = 2

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(subscribe).
		Send(suback).
		Receive(publish).
		Send(puback).
		Send(publish).
		Receive(puback).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	wait := make(chan struct{})

	c := New()
	c.Callback = func(msg *packet.Message, err error) {
		assert.NoError(t, err)
		assert.Equal(t, "test", msg.Topic)
		assert.Equal(t, []byte("test"), msg.Payload)
		assert.Equal(t, uint8(1), msg.QOS)
		assert.False(t, msg.Retain)
		close(wait)
	}

	future, err := c.Connect(NewConfig("tcp://localhost:" + port))
	assert.NoError(t, err)
	assert.NoError(t, future.Wait())
	assert.False(t, future.SessionPresent)
	assert.Equal(t, packet.ConnectionAccepted, future.ReturnCode)

	subscribeFuture, err := c.Subscribe("test", 1)
	assert.NoError(t, err)
	assert.NoError(t, subscribeFuture.Wait())
	assert.Equal(t, []uint8{1}, subscribeFuture.ReturnCodes)

	publishFuture, err := c.Publish("test", []byte("test"), 1, false)
	assert.NoError(t, err)
	assert.NoError(t, publishFuture.Wait())

	<-wait

	err = c.Disconnect()
	assert.NoError(t, err)

	<-done

	in, err := c.Session.AllPackets(incoming)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(in))

	out, err := c.Session.AllPackets(outgoing)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(out))
}