func (self *Momonga) SendMessage(topic string, message []byte, qos int) {
msg := codec.NewPublishMessage()
msg.TopicName = topic
msg.Payload = message
msg.QosLevel = qos
self.SendPublishMessage(msg, "", false)
}
func (self *MyConnection) Publish(TopicName string, Payload []byte, QosLevel int, retain bool, opaque interface{}) {
sb := codec.NewPublishMessage()
sb.TopicName = TopicName
sb.Payload = Payload
sb.QosLevel = QosLevel
state := self.GetState()
if state == STATE_CONNECTED || state == STATE_CONNECTING {
if retain {
sb.Retain = 1
}
if sb.QosLevel < 0 {
self.logger.Error("QoS under zero. %s: %#v", self.Id, sb)
return
}
if sb.QosLevel > 0 {
id := self.InflightTable.NewId()
sb.PacketIdentifier = id
self.InflightTable.Register(id, sb, nil)
}
e := self.writeMessage(sb)
if e != nil {
if v, ok := self.Events["error"].(func(error)); ok {
v(e)
}
}
self.invalidateTimer()
} else {
self.OfflineQueue = append(self.OfflineQueue, sb)
}
}
func (self *Momonga) setupCallback() {
self.OutGoingTable.SetOnFinish(func(id uint16, message codec.Message, opaque interface{}) {
switch message.GetType() {
case codec.PACKET_TYPE_PUBLISH:
p := message.(*codec.PublishMessage)
if p.QosLevel == 2 {
ack := codec.NewPubcompMessage()
ack.PacketIdentifier = p.PacketIdentifier
// TODO: WHAAAT? I don't remember this
// if conn != nil {
// conn.WriteMessageQueue(ack)
// }
}
break
default:
log.Debug("1Not supported; %d", message.GetType())
}
})
// For now
if self.EnableSys {
msg := codec.NewPublishMessage()
msg.TopicName = "$SYS/broker/broker/version"
msg.Payload = []byte("0.1.0")
msg.Retain = 1
self.SendPublishMessage(msg, "", false)
}
}
func (self *Momonga) SendWillMessage(conn Connection) {
will := conn.GetWillMessage()
msg := codec.NewPublishMessage()
msg.TopicName = will.Topic
msg.Payload = []byte(will.Message)
msg.QosLevel = int(will.Qos)
self.SendPublishMessage(msg, conn.GetId(), conn.IsBridge())
}
func (s *DummyPlugSuite) TestDummyPlug(c *C) {
engine := CreateEngine()
// 2) Running Engine
go engine.Run()
p := NewDummyPlug(engine)
p.Switch <- true
mux := NewMmuxConnection()
p.SetState(STATE_CONNECTED)
mux.DisableCleanSession()
mux.SetId(p.GetId())
mux.Attach(p)
// Memo: Normally, engine has correct relation ship between mux and iteself. this is only need for test
engine.Connections[p.GetId()] = mux
sub := mqtt.NewSubscribeMessage()
sub.Payload = append(sub.Payload, mqtt.SubscribePayload{
TopicPath: "/debug/1",
RequestedQos: uint8(1),
})
sub.Payload = append(sub.Payload, mqtt.SubscribePayload{
TopicPath: "/debug/2",
RequestedQos: uint8(2),
})
sub.PacketIdentifier = 1
engine.Subscribe(sub, mux)
pub := mqtt.NewPublishMessage()
pub.TopicName = "/debug/1"
pub.Payload = []byte("hello")
pub.QosLevel = 1
engine.SendPublishMessage(pub, "dummy", false)
pub = mqtt.NewPublishMessage()
pub.TopicName = "/debug/2"
pub.Payload = []byte("hello")
pub.QosLevel = 2
engine.SendPublishMessage(pub, "dummy", false)
// TODO: How do i test this?
}
func (s *EngineSuite) BenchmarkSimple(c *C) {
log.SetupLogging("error", "stdout")
engine := CreateEngine()
go engine.Run()
mock := &MockConnection{}
conn := NewMyConnection(nil)
conn.SetMyConnection(mock)
conn.SetId("debug")
hndr := NewHandler(conn, engine)
conn.SetOpaque(hndr)
msg := codec.NewConnectMessage()
msg.Magic = []byte("MQTT")
msg.Version = uint8(4)
msg.Identifier = "debug"
msg.CleanSession = true
msg.KeepAlive = uint16(0) // Ping is annoyed at this time
codec.WriteMessageTo(msg, mock)
// 6) just call conn.ParseMessage(). then handler will work.
r, err := conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_CONNECT)
// NOTE: Client turn. don't care this.
time.Sleep(time.Millisecond)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_CONNACK)
for i := 0; i < c.N; i++ {
// (Client) Publish
pub := codec.NewPublishMessage()
pub.TopicName = "/debug"
pub.Payload = []byte("hello")
codec.WriteMessageTo(pub, mock)
// (Server)
conn.ParseMessage()
}
// That's it.
engine.Terminate()
}
func (s *EngineSuite) TestBasic(c *C) {
log.SetupLogging("error", "stdout")
// This test introduce how to setup custom MQTT server
// 1) You need to setup Momonga engine like this.
engine := CreateEngine()
// 2) Running Engine
go engine.Run()
// 3) engine expects net.Conn (see MockConnection)
mock := &MockConnection{}
conn := NewMyConnection(nil)
conn.SetMyConnection(mock)
conn.SetId("debug")
// 4) setup handler. This handler implementation is example.
// you can customize behaviour with On method.
hndr := NewHandler(conn, engine)
conn.SetOpaque(hndr)
// 5) Now,
msg := codec.NewConnectMessage()
msg.Magic = []byte("MQTT")
msg.Version = uint8(4)
msg.Identifier = "debug"
msg.CleanSession = true
msg.KeepAlive = uint16(0) // Ping is annoyed at this time
codec.WriteMessageTo(msg, mock)
// 6) just call conn.ParseMessage(). then handler will work.
r, err := conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_CONNECT)
// NOTE: Client turn. don't care this.
time.Sleep(time.Millisecond)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_CONNACK)
// Subscribe
sub := codec.NewSubscribeMessage()
sub.Payload = append(sub.Payload, codec.SubscribePayload{TopicPath: "/debug"})
sub.PacketIdentifier = 1
codec.WriteMessageTo(sub, mock)
// (Server)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_SUBSCRIBE)
rsub := r.(*codec.SubscribeMessage)
c.Assert(rsub.PacketIdentifier, Equals, uint16(1))
c.Assert(rsub.Payload[0].TopicPath, Equals, "/debug")
// (Client) suback
time.Sleep(time.Millisecond)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_SUBACK)
// (Client) Publish
pub := codec.NewPublishMessage()
pub.TopicName = "/debug"
pub.Payload = []byte("hello")
codec.WriteMessageTo(pub, mock)
// (Server)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_PUBLISH)
rpub := r.(*codec.PublishMessage)
c.Assert(rpub.TopicName, Equals, "/debug")
// (Client) received publish message
time.Sleep(time.Millisecond)
r, err = conn.ParseMessage()
rp := r.(*codec.PublishMessage)
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_PUBLISH)
c.Assert(rp.TopicName, Equals, "/debug")
c.Assert(string(rp.Payload), Equals, "hello")
// okay, now disconnect from server
dis := codec.NewDisconnectMessage()
codec.WriteMessageTo(dis, mock)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
c.Assert(r.GetType(), Equals, codec.PACKET_TYPE_DISCONNECT)
// then, receive EOF from server.
time.Sleep(time.Millisecond)
r, err = conn.ParseMessage()
c.Assert(err, Equals, nil)
// That's it.
engine.Terminate()
}
