io.netty.handler.codec.mqtt.MqttConnAckMessage Java Examples

The following examples show how to use io.netty.handler.codec.mqtt.MqttConnAckMessage. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

6 votes

private MqttConnAckMessage executeNormalChannelRead0(String clientId, boolean cleanSession, ChannelId channelId)
		throws Exception {
	MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNECT, false, MqttQoS.AT_MOST_ONCE, false,
			10);
	MqttConnectVariableHeader variableHeader = new MqttConnectVariableHeader("MQTT", 4, true, true, true, 0, true,
			cleanSession, 60);
	MqttConnectPayload payload = new MqttConnectPayload(clientId, "willtopic", "willmessage", "username",
			"password");

	MqttConnectMessage msg = new MqttConnectMessage(fixedHeader, variableHeader, payload);

	ChannelId cid = channelId == null ? TestUtil.newChannelId(clientId, false) : channelId;

	EmbeddedChannel channel = new EmbeddedChannel(cid, new ConnectReceiver());

	channel.writeInbound(msg);

	return channel.readOutbound();
}

Example #2

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

6 votes

@Test
public void testCONNECTION_REFUSED_NOT_AUTHORIZED() throws Exception {
	Authorizer prev = Plugins.INSTANCE.put(Authorizer.class, new Authorizer() {
		@Override
		public Plugin clone() {
			return this;
		}

		@Override
		public boolean isAuthorized(String clientId, String username) {
			return false;
		}
	});

	MqttConnAckMessage ret = executeNormalChannelRead0(TestUtil.newClientId(), true, null);

	Assert.assertEquals(ret.variableHeader().connectReturnCode(),
			MqttConnectReturnCode.CONNECTION_REFUSED_NOT_AUTHORIZED);

	Plugins.INSTANCE.put(Authorizer.class, prev);
}

Example #3

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

6 votes

@Test
public void testCONNECTION_REFUSED_SERVER_UNAVAILABLE() throws Exception {
	ServiceChecker prev = Plugins.INSTANCE.put(ServiceChecker.class, new ServiceChecker() {
		@Override
		public Plugin clone() {
			return this;
		}

		@Override
		public boolean isServiceAvailable() {
			return false;
		}
	});

	MqttConnAckMessage ret = executeNormalChannelRead0(TestUtil.newClientId(), true, null);

	Assert.assertEquals(ret.variableHeader().connectReturnCode(),
			MqttConnectReturnCode.CONNECTION_REFUSED_SERVER_UNAVAILABLE);

	Plugins.INSTANCE.put(ServiceChecker.class, prev);
}

Example #4

Source File: MqttClientHandler.java From ext-opensource-netty with Mozilla Public License 2.0

5 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msgx) throws Exception {
	if (msgx == null) {return ;}
	MqttMessage msg = (MqttMessage) msgx;
	NettyLog.debug("read: {}", msg.fixedHeader().messageType());
	MqttFixedHeader mqttFixedHeader = msg.fixedHeader();
	switch (mqttFixedHeader.messageType()) {
	case CONNACK:
		clientProtocolProcess.processConnectBack(ctx.channel(), (MqttConnAckMessage) msg);
		break;
	case UNSUBACK:
		clientProtocolProcess.processUnSubBack(ctx.channel(), msg);
		break;
	case PUBLISH:
		clientProtocolProcess.processPublish(ctx.channel(), (MqttPublishMessage) msg);
		break;
	case PUBACK:
		clientProtocolProcess.processPubAck(ctx.channel(), msg);
		break;
	case PUBREC:
		clientProtocolProcess.processPubRec(ctx.channel(), msg);
		break;
	case PUBREL:
		clientProtocolProcess.processPubRel(ctx.channel(), msg);
		break;
	case PUBCOMP:
		clientProtocolProcess.processPubComp(ctx.channel(), msg);
		break;
	case SUBACK:
		clientProtocolProcess.processSubAck(ctx.channel(), (MqttSubAckMessage) msg);
		break;
	default:
		break;
	}
}

Example #5

Source File: ClientProtocolProcess.java From ext-opensource-netty with Mozilla Public License 2.0

5 votes

/**
 * B - S, B - P
 * @param channel
 * @param msg
 */
public void processConnectBack(Channel channel, MqttConnAckMessage msg) {
	MqttConnAckVariableHeader mqttConnAckVariableHeader = msg.variableHeader();
	String sErrorMsg = "";
	switch (mqttConnAckVariableHeader.connectReturnCode()) {
	case CONNECTION_ACCEPTED:
		clientProcess.loginFinish(true, null);
		return;
	case CONNECTION_REFUSED_BAD_USER_NAME_OR_PASSWORD:
		sErrorMsg = "用户名密码错误";
		break;
	case CONNECTION_REFUSED_IDENTIFIER_REJECTED:
		sErrorMsg = "clientId不允许链接";
		break;
	case CONNECTION_REFUSED_SERVER_UNAVAILABLE:
		sErrorMsg = "服务不可用";
		break;
	case CONNECTION_REFUSED_UNACCEPTABLE_PROTOCOL_VERSION:
		sErrorMsg = "mqtt 版本不可用";
		break;
	case CONNECTION_REFUSED_NOT_AUTHORIZED:
		sErrorMsg = "未授权登录";
		break;
	default:
		break;
	}

	clientProcess.loginFinish(false, new LoginException(sErrorMsg));
	channel.close();
}

Example #6

Source File: MqttProtocolHandler.java From joyqueue with Apache License 2.0

5 votes

private MqttConnAckMessage sendAckToClient(Channel client, MqttConnectMessage connectMessage, MqttConnectReturnCode ackCode, boolean sessionPresent) {

        MqttFixedHeader mqttFixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, connectMessage.fixedHeader().qosLevel(), false, 0);
        MqttConnAckMessage connAckMessage = (MqttConnAckMessage) MqttMessageFactory.newMessage(
                mqttFixedHeader,
                new MqttConnAckVariableHeader(ackCode, sessionPresent),
                null);
        client.writeAndFlush(connAckMessage);
        return connAckMessage;
    }

Example #7

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

5 votes

@Test
public void nonCleanSession() throws Exception {
	String clientId = TestUtil.newClientId();

	MqttConnAckMessage ret = executeNormalChannelRead0(clientId, false, null);

	Assert.assertEquals(ret.variableHeader().connectReturnCode(), MqttConnectReturnCode.CONNECTION_ACCEPTED);
}

Example #8

Source File: MqttMessageFactory.java From lannister with Apache License 2.0

5 votes

public static MqttConnAckMessage connack(MqttConnectReturnCode returnCode, boolean sessionPresent) {
	MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false,
			2);
	MqttConnAckVariableHeader variableHeader = new MqttConnAckVariableHeader(returnCode, sessionPresent);

	return new MqttConnAckMessage(fixedHeader, variableHeader);
}

Example #9

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

5 votes

@Test
public void testCleanSessionWithoutClientIdReturnFalse() throws Exception {
	Settings.INSTANCE.setProperty("mqttserver.acceptEmptyClientId", "false");
	MqttConnAckMessage ret = executeNormalChannelRead0("", true, null);

	Assert.assertEquals(MqttConnectReturnCode.CONNECTION_REFUSED_IDENTIFIER_REJECTED,
			ret.variableHeader().connectReturnCode());
	Settings.INSTANCE.setProperty("mqttserver.acceptEmptyClientId", "true");
}

Example #10

Source File: MQTTProtocolHandler.java From activemq-artemis with Apache License 2.0

4 votes

void sendConnack(MqttConnectReturnCode returnCode) {
   MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
   MqttConnAckVariableHeader varHeader = new MqttConnAckVariableHeader(returnCode, true);
   MqttConnAckMessage message = new MqttConnAckMessage(fixedHeader, varHeader);
   sendToClient(message);
}

Example #11

Source File: MqttHardwareLoginHandler.java From blynk-server with GNU General Public License v3.0

4 votes

private static MqttConnAckMessage createConnAckMessage(MqttConnectReturnCode code) {
    MqttFixedHeader mqttFixedHeader =
            new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 2);
    MqttConnAckVariableHeader mqttConnAckVariableHeader = new MqttConnAckVariableHeader(code, true);
    return new MqttConnAckMessage(mqttFixedHeader, mqttConnAckVariableHeader);
}

Example #12

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

4 votes

@Test
public void testCleanSessionWithoutClientIdReturnTrue() throws Exception {
	MqttConnAckMessage ret = executeNormalChannelRead0("", true, null);

	Assert.assertEquals(MqttConnectReturnCode.CONNECTION_ACCEPTED, ret.variableHeader().connectReturnCode());
}

Example #13

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

4 votes

@Test
public void testDefaultChannelRead0() throws Exception {
	MqttConnAckMessage ret = executeNormalChannelRead0(TestUtil.newClientId(), true, null);

	Assert.assertEquals(ret.variableHeader().connectReturnCode(), MqttConnectReturnCode.CONNECTION_ACCEPTED);
}

Example #14

Source File: ConnectReceiver.java From lannister with Apache License 2.0

4 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, MqttConnectMessage msg) throws Exception {
	logger.debug("packet incoming [message={}]", msg.toString());

	Session session = Session.NEXUS.get(ctx.channel().id());
	if (session != null) {
		session.dispose(true); // [MQTT-3.1.0-2]
		return;
	}

	boolean cleanSession = msg.variableHeader().isCleanSession();
	String clientId = msg.payload().clientIdentifier();

	if (Strings.isNullOrEmpty(clientId)) {
		clientId = generateClientId(ctx, cleanSession);

		if (clientId == null) { return; }
	}

	if (!filterPlugins(ctx, msg)) { return; }

	session = Session.NEXUS.get(clientId); // [MQTT-3.1.2-4]
	boolean sessionPresent = !cleanSession && session != null; // [MQTT-3.2.2-1],[MQTT-3.2.2-2],[MQTT-3.2.2-3]

	String clientIp = ctx.channel().remoteAddress() instanceof InetSocketAddress
			? ((InetSocketAddress) ctx.channel().remoteAddress()).getAddress().getHostAddress() : "0.0.0.0";
	int clientPort = ctx.channel().remoteAddress() instanceof InetSocketAddress
			? ((InetSocketAddress) ctx.channel().remoteAddress()).getPort() : -1;

	if (cleanSession) {
		if (session != null) {
			session.dispose(false); // [MQTT-3.1.4-2]
		}
		session = newSession(msg, cleanSession, clientId, clientIp, clientPort); // [MQTT-3.1.2-6]
	}
	else if (session == null) { // [MQTT-3.1.2-4]
		session = newSession(msg, cleanSession, clientId, clientIp, clientPort);
	}

	Session.NEXUS.put(session, ctx);

	processRetainedWill(session);

	final Session sessionFinal = session;
	final MqttConnAckMessage acceptMsg = MqttMessageFactory.connack(MqttConnectReturnCode.CONNECTION_ACCEPTED,
			sessionPresent); // [MQTT-3.1.4-4]
	final String log = acceptMsg.toString();

	session.send(acceptMsg, f -> { // [MQTT-3.2.0-1]
		if (!f.isSuccess()) {
			logger.error("packet outgoing failed [{}] {}", log, f.cause());
			return;
		}

		ctx.channel().eventLoop().execute(
				() -> Plugins.INSTANCE.get(ConnectEventListener.class).connectHandled(new ConnectEventArgs() {
					@Override
					public String clientId() {
						return sessionFinal.clientId();
					}

					@Override
					public IMessage will() {
						return sessionFinal.will();
					}

					@Override
					public Boolean cleanSession() {
						return sessionFinal.cleanSession();
					}

					@Override
					public MqttConnectReturnCode returnCode() {
						return MqttConnectReturnCode.CONNECTION_ACCEPTED;
					}
				}));

		if (!sessionFinal.cleanSession()) {
			sessionFinal.completeRemainedMessages(); // [MQTT-4.4.0-1]
		}
	});
}

Example #15

Source File: MqttTransportHandler.java From iotplatform with Apache License 2.0

4 votes

private MqttConnAckMessage createMqttConnAckMsg(MqttConnectReturnCode returnCode) {
  MqttFixedHeader mqttFixedHeader = new MqttFixedHeader(CONNACK, false, AT_MOST_ONCE, false, 0);
  MqttConnAckVariableHeader mqttConnAckVariableHeader = new MqttConnAckVariableHeader(returnCode, true);
  return new MqttConnAckMessage(mqttFixedHeader, mqttConnAckVariableHeader);
}

Example #16

Source File: MqttProtocolHandler.java From joyqueue with Apache License 2.0

4 votes

public void processConnect(Channel client, MqttConnectMessage connectMessage) {
    String clientId = connectMessage.payload().clientIdentifier();
    boolean isCleanSession = connectMessage.variableHeader().isCleanSession();

    //验证版本
    if (!connectMessage.variableHeader().name().equals("MQTT") ||
            connectMessage.variableHeader().version() != MqttVersion.MQTT_3_1_1.protocolLevel()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("CONN clientID: <{}>, 版本不对断开连接: <{}>", clientId, connectMessage.toString());
        }
        sendAckToClient(client, connectMessage, MqttConnectReturnCode.CONNECTION_REFUSED_UNACCEPTABLE_PROTOCOL_VERSION, false);
        return;
    }

    MqttConnectReturnCode resultCode = checkAuth(connectMessage);
    if (!(resultCode == MqttConnectReturnCode.CONNECTION_ACCEPTED) ||
            Strings.isNullOrEmpty(clientId)) {
        sendAckToClient(client, connectMessage, resultCode, false);
        return;
    }
    addConnection(client, connectMessage, clientId);

    //处理心跳包时间，把心跳包时长和一些其他属性都添加到会话中，方便以后使用
    initializeKeepAliveTimeout(client, connectMessage, clientId);
    storeWillMessage(clientId, connectMessage);

    sessionManager.addSession(clientId, isCleanSession);

    MqttConnAckMessage okResp = sendAckToClient(client, connectMessage, MqttConnectReturnCode.CONNECTION_ACCEPTED, !isCleanSession);

    if (okResp.variableHeader().connectReturnCode().byteValue() != MqttConnectReturnCode.CONNECTION_ACCEPTED.byteValue()) {
        LOG.info("CONNECT-none-accepted clientID: <{}>, ConnectionStatus: <{}>, client-address: <{}>, server-address: <{}>",
                clientId,
                okResp.variableHeader().connectReturnCode().byteValue(),
                client.remoteAddress(),
                client.localAddress()
        );
    }

    consumerManager.fireConsume(clientId);

    LOG.info("CONNECT successful, clientID: {}, client-address: <{}>, server-address: <{}>", clientId, client.remoteAddress(), client.localAddress());
}

Example #17

Source File: MessageUtil.java From iot-mqtt with Apache License 2.0

4 votes

public static MqttConnAckMessage getConnectAckMessage(MqttConnectReturnCode returnCode,boolean sessionPresent){
    MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0);
    MqttConnAckVariableHeader variableHeade = new MqttConnAckVariableHeader(returnCode,sessionPresent);
    return new MqttConnAckMessage(fixedHeader,variableHeade);
}

Example #18

Source File: MqttProtocolUtil.java From ext-opensource-netty with Mozilla Public License 2.0

4 votes

public static MqttConnAckMessage connAckMessage(MqttConnectReturnCode code, boolean sessionPresent) {
	return (MqttConnAckMessage) MqttMessageFactory.newMessage(
			new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0),
			new MqttConnAckVariableHeader(code, sessionPresent), null);
}

Example #19

Source File: ConnectReceiverTest.java From lannister with Apache License 2.0

3 votes

@Test
public void cleanSessionOnSameClientIdSession() throws Exception {
	String clientId = TestUtil.newClientId();

	executeNormalChannelRead0(clientId, true, null);

	MqttConnAckMessage ret = executeNormalChannelRead0(clientId, true, null);

	Assert.assertEquals(ret.variableHeader().connectReturnCode(), MqttConnectReturnCode.CONNECTION_ACCEPTED);
}