List of usage examples for io.netty.handler.codec.mqtt MqttMessageType CONNACK
MqttMessageType CONNACK
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From source file:com.caricah.iotracah.server.mqttserver.transform.IOTMqttTransformerImpl.java
License:Apache License
@Override public MqttMessage toServerMessage(IOTMessage internalMessage) { switch (internalMessage.getMessageType()) { case PublishMessage.MESSAGE_TYPE: PublishMessage pubMsg = (PublishMessage) internalMessage; //We generate a publish message. MqttPublishVariableHeader respVariableHeader = new MqttPublishVariableHeader(pubMsg.getTopic(), pubMsg.getMessageId());/*w ww. j av a 2s . co m*/ MqttFixedHeader respFixedHeader = new MqttFixedHeader(MqttMessageType.PUBLISH, pubMsg.getIsDuplicate(), MqttQoS.valueOf(pubMsg.getQos()), pubMsg.getIsRetain(), 0); ByteBuf content = Unpooled.wrappedBuffer((byte[]) pubMsg.getPayload()); return MqttMessageFactory.newMessage(respFixedHeader, respVariableHeader, content); case AcknowledgeMessage.MESSAGE_TYPE: //Generate a PUBACK for qos 1 messages. AcknowledgeMessage ackMsg = (AcknowledgeMessage) internalMessage; MqttFixedHeader ackFixedHeader = new MqttFixedHeader(MqttMessageType.PUBACK, ackMsg.isDup(), MqttQoS.valueOf(ackMsg.getQos()), ackMsg.isRetain(), 0); MqttMessageIdVariableHeader msgIdVariableHeader = MqttMessageIdVariableHeader .from(ackMsg.getMessageId()); return MqttMessageFactory.newMessage(ackFixedHeader, msgIdVariableHeader, null); case PublishReceivedMessage.MESSAGE_TYPE: //We need to generate a PUBREC message to acknowledge reception of message. PublishReceivedMessage pubrec = (PublishReceivedMessage) internalMessage; MqttFixedHeader recFixedHeader = new MqttFixedHeader(MqttMessageType.PUBREC, false, MqttQoS.valueOf(pubrec.getQos()), false, 0); msgIdVariableHeader = MqttMessageIdVariableHeader.from(pubrec.getMessageId()); return MqttMessageFactory.newMessage(recFixedHeader, msgIdVariableHeader, null); case ReleaseMessage.MESSAGE_TYPE: //We need to generate a PUBREL message to release cached message. ReleaseMessage pubrel = (ReleaseMessage) internalMessage; MqttFixedHeader relFixedHeader = new MqttFixedHeader(MqttMessageType.PUBREL, pubrel.isDup(), MqttQoS.valueOf(pubrel.getQos()), false, 0); msgIdVariableHeader = MqttMessageIdVariableHeader.from(pubrel.getMessageId()); return MqttMessageFactory.newMessage(relFixedHeader, msgIdVariableHeader, null); case CompleteMessage.MESSAGE_TYPE: //We need to generate a PUBCOMP message to acknowledge finalization of transmission of qos 2 message. CompleteMessage destroyMessage = (CompleteMessage) internalMessage; MqttFixedHeader compFixedHeader = new MqttFixedHeader(MqttMessageType.PUBCOMP, false, MqttQoS.valueOf(destroyMessage.getQos()), false, 0); msgIdVariableHeader = MqttMessageIdVariableHeader.from(destroyMessage.getMessageId()); return MqttMessageFactory.newMessage(compFixedHeader, msgIdVariableHeader, null); case Ping.MESSAGE_TYPE: Ping ping = (Ping) internalMessage; //We need to generate a PINGRESP message to respond to a PINGREQ. recFixedHeader = new MqttFixedHeader(MqttMessageType.PINGRESP, ping.isDup(), MqttQoS.valueOf(ping.getQos()), ping.isRetain(), 0); return MqttMessageFactory.newMessage(recFixedHeader, null, null); case ConnectAcknowledgeMessage.MESSAGE_TYPE: ConnectAcknowledgeMessage connAck = (ConnectAcknowledgeMessage) internalMessage; MqttFixedHeader connAckFixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, connAck.isDup(), MqttQoS.valueOf(connAck.getQos()), connAck.isRetain(), 0); MqttConnAckVariableHeader conAckVariableHeader = new MqttConnAckVariableHeader(connAck.getReturnCode()); //Todo: Raise netty codec issue for lack of codec 3.2.2.2 Session Present flag. return MqttMessageFactory.newMessage(connAckFixedHeader, conAckVariableHeader, null); case SubscribeAcknowledgeMessage.MESSAGE_TYPE: SubscribeAcknowledgeMessage subAckMsg = (SubscribeAcknowledgeMessage) internalMessage; MqttSubAckPayload payload = new MqttSubAckPayload(subAckMsg.getGrantedQos()); MqttFixedHeader subAckFixedHeader = new MqttFixedHeader(MqttMessageType.SUBACK, subAckMsg.isDup(), MqttQoS.valueOf(subAckMsg.getQos()), subAckMsg.isRetain(), 0); MqttMessageIdVariableHeader subAckVariableHeader = MqttMessageIdVariableHeader .from(subAckMsg.getMessageId()); return MqttMessageFactory.newMessage(subAckFixedHeader, subAckVariableHeader, payload); case UnSubscribeAcknowledgeMessage.MESSAGE_TYPE: UnSubscribeAcknowledgeMessage unSubAckMsg = (UnSubscribeAcknowledgeMessage) internalMessage; respFixedHeader = new MqttFixedHeader(MqttMessageType.UNSUBACK, unSubAckMsg.isDup(), MqttQoS.valueOf(unSubAckMsg.getQos()), unSubAckMsg.isRetain(), 0); MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader .from(unSubAckMsg.getMessageId()); return MqttMessageFactory.newMessage(respFixedHeader, variableHeader, null); default: /** * * Internally these are not expected to get here. * In such cases we just return a null * and log this anomaly as a gross error. * * * if(internalMessage instanceof ConnectMessage || * internalMessage instanceof SubscribeMessage || * internalMessage instanceof UnSubscribeMessage || * internalMessage instanceof DisconnectMessage || * internalMessage instanceof WillMessage ){ * } **/ return null; } }
From source file:io.netty.example.mqtt.heartBeat.MqttHeartBeatBrokerHandler.java
License:Apache License
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { MqttMessage mqttMessage = (MqttMessage) msg; System.out.println("Received MQTT message: " + mqttMessage); switch (mqttMessage.fixedHeader().messageType()) { case CONNECT: MqttFixedHeader connackFixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0); MqttConnAckVariableHeader mqttConnAckVariableHeader = new MqttConnAckVariableHeader( MqttConnectReturnCode.CONNECTION_ACCEPTED, false); MqttConnAckMessage connack = new MqttConnAckMessage(connackFixedHeader, mqttConnAckVariableHeader); ctx.writeAndFlush(connack);// w w w .j a va2 s.c o m break; case PINGREQ: MqttFixedHeader pingreqFixedHeader = new MqttFixedHeader(MqttMessageType.PINGRESP, false, MqttQoS.AT_MOST_ONCE, false, 0); MqttMessage pingResp = new MqttMessage(pingreqFixedHeader); ctx.writeAndFlush(pingResp); break; case DISCONNECT: ctx.close(); break; default: System.out.println("Unexpected message type: " + mqttMessage.fixedHeader().messageType()); ReferenceCountUtil.release(msg); ctx.close(); } }
From source file:io.vertx.mqtt.impl.MqttEndpointImpl.java
License:Apache License
private MqttEndpointImpl connack(MqttConnectReturnCode returnCode, boolean sessionPresent) { MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0);//ww w. j av a 2 s. co m MqttConnAckVariableHeader variableHeader = new MqttConnAckVariableHeader(returnCode, sessionPresent); io.netty.handler.codec.mqtt.MqttMessage connack = MqttMessageFactory.newMessage(fixedHeader, variableHeader, null); this.write(connack); // if a server sends a CONNACK packet containing a non zero return code it MUST then close the Network Connection (MQTT 3.1.1 spec) if (returnCode != MqttConnectReturnCode.CONNECTION_ACCEPTED) { this.close(); } else { this.isConnected = true; } return this; }
From source file:net.anyflow.lannister.message.MessageFactory.java
License:Apache License
public static MqttConnAckMessage connack(MqttConnectReturnCode returnCode, boolean sessionPresent) { MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 2);/*from w w w . ja v a2 s.co m*/ MqttConnAckVariableHeader variableHeader = new MqttConnAckVariableHeader(returnCode, sessionPresent); return new MqttConnAckMessage(fixedHeader, variableHeader); }
From source file:org.apache.activemq.artemis.core.protocol.mqtt.MQTTProtocolHandler.java
License:Apache License
void sendConnack(MqttConnectReturnCode returnCode) { MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.CONNACK, false, MqttQoS.AT_MOST_ONCE, false, 0);/*from w w w. j a va 2 s . c om*/ MqttConnAckVariableHeader varHeader = new MqttConnAckVariableHeader(returnCode, true); MqttConnAckMessage message = new MqttConnAckMessage(fixedHeader, varHeader); sendToClient(message); }