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

The following examples show how to use io.netty.handler.codec.mqtt.MqttConnAckVariableHeader. 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: Connect.java    From WeEvent with Apache License 2.0 5 votes vote down vote up 
public MqttMessage processConnect(MqttConnectMessage msg, SessionContext sessionData) {
    MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_LEAST_ONCE, false, 0);

    String clientId = sessionData.getClientId();
    if (StringUtils.isBlank(clientId)) {
        log.error("clientId is empty, reject");
        return MqttMessageFactory.newMessage(fixedHeader,
                new MqttConnAckVariableHeader(MqttConnectReturnCode.CONNECTION_REFUSED_IDENTIFIER_REJECTED, false), null);
    }

    // verify userName and password
    String username = msg.payload().userName();
    String password = msg.payload().passwordInBytes() == null ? null : new String(msg.payload().passwordInBytes(), StandardCharsets.UTF_8);
    if (!this.authService.verifyUserName(username, password)) {
        log.error("verify account failed, reject");
        return MqttMessageFactory.newMessage(fixedHeader,
                new MqttConnAckVariableHeader(MqttConnectReturnCode.CONNECTION_REFUSED_BAD_USER_NAME_OR_PASSWORD, false), null);
    }

    if (this.sessionStore.existSession(clientId)) {
        log.info("exist client id, force to delete the older");
        this.sessionStore.removeSession(clientId);
    }

    // store new session
    this.sessionStore.addSession(clientId, sessionData);

    log.info("MQTT connected, clientId: {}", clientId);
    return MqttMessageFactory.newMessage(fixedHeader,
            new MqttConnAckVariableHeader(MqttConnectReturnCode.CONNECTION_ACCEPTED, false), null);
}
Example #2
Source File: ClientProtocolProcess.java    From ext-opensource-netty with Mozilla Public License 2.0 5 votes vote down vote up 
/**
 * 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 #3
Source File: MqttProtocolHandler.java    From joyqueue with Apache License 2.0 5 votes vote down vote up 
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 #4
Source File: MqttMessageFactory.java    From lannister with Apache License 2.0 5 votes vote down vote up 
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 #5
Source File: MqttProtocolUtil.java    From ext-opensource-netty with Mozilla Public License 2.0 4 votes vote down vote up 
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 #6
Source File: MessageUtil.java    From iot-mqtt with Apache License 2.0 4 votes vote down vote up 
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 #7
Source File: MqttTransportHandler.java    From iotplatform with Apache License 2.0 4 votes vote down vote up 
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 #8
Source File: MqttHardwareLoginHandler.java    From blynk-server with GNU General Public License v3.0 4 votes vote down vote up 
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 #9
Source File: MQTTProtocolHandler.java    From activemq-artemis with Apache License 2.0 4 votes vote down vote up 
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);
}