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https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
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First Commit of MQTT-SN Gateway
Add new SensorNetwork XBee Add a sensor network type in a start message. Update MQTTSNClient to avoid build warning. Update WiringPi's functions to my original ones. BugFix check msgId before adding waitdTopicId table. BugFix Process termination procedures Update print curent time in millseconds. update move currentDateTime() to linux directory. Bugfix: blink blue lightiIndicator. Bugfix: Register returns wrong id. change a status of the client to Disconnected. change client status procedure Update README BugFix: change Network Disconnect procedures. Signed-off-by: tomoaki <tomoaki@tomy-tech.com>
This commit is contained in:
tomoaki
218
MQTTSNGateway/src/MQTTGWPacket.h
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218
MQTTSNGateway/src/MQTTGWPacket.h
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/*******************************************************************************
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* Copyright (c) 2009, 2014 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v1.0 which accompany this distribution.
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*
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* The Eclipse Public License is available at
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* http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Ian Craggs - initial API and implementation and/or initial documentation
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* Ian Craggs, Allan Stockdill-Mander - SSL updates
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* Ian Craggs - MQTT 3.1.1 support
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* Tomoaki Yamaguchi - modify codes for MATT-SN Gateway
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*******************************************************************************/
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#ifndef MQTTGWPACKET_H_
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#define MQTTGWPACKET_H_
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#include "Network.h"
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namespace MQTTSNGW
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{
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typedef void* (*pf)(unsigned char, char*, size_t);
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#define BAD_MQTT_PACKET -4
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enum msgTypes
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{
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CONNECT = 1, CONNACK, PUBLISH, PUBACK, PUBREC, PUBREL,
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PUBCOMP, SUBSCRIBE, SUBACK, UNSUBSCRIBE, UNSUBACK,
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PINGREQ, PINGRESP, DISCONNECT
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};
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/**
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* Bitfields for the MQTT header byte.
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*/
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typedef union
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{
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/*unsigned*/ char byte; /**< the whole byte */
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#if defined(REVERSED)
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struct
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{
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unsigned int type : 4; /**< message type nibble */
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bool dup : 1; /**< DUP flag bit */
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unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
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bool retain : 1; /**< retained flag bit */
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} bits;
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#else
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struct
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{
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bool retain : 1; /**< retained flag bit */
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unsigned int qos : 2; /**< QoS value, 0, 1 or 2 */
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bool dup : 1; /**< DUP flag bit */
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unsigned int type : 4; /**< message type nibble */
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} bits;
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#endif
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} Header;
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/**
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* Data for a connect packet.
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*/
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enum MQTT_connackCodes{
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MQTT_CONNECTION_ACCEPTED ,
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MQTT_UNACCEPTABLE_PROTOCOL_VERSION,
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MQTT_IDENTIFIER_REJECTED,
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MQTT_SERVER_UNAVAILABLE,
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MQTT_BAD_USERNAME_OR_PASSWORD,
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MQTT_NOT_AUTHORIZED
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};
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typedef struct
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{
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Header header; /**< MQTT header byte */
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union
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{
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unsigned char all; /**< all connect flags */
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#if defined(REVERSED)
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struct
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{
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bool username : 1; /**< 3.1 user name */
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bool password : 1; /**< 3.1 password */
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bool willRetain : 1; /**< will retain setting */
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unsigned int willQoS : 2; /**< will QoS value */
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bool will : 1; /**< will flag */
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bool cleanstart : 1; /**< cleansession flag */
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int : 1; /**< unused */
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} bits;
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#else
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struct
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{
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int : 1; /**< unused */
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bool cleanstart : 1; /**< cleansession flag */
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bool will : 1; /**< will flag */
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unsigned int willQoS : 2; /**< will QoS value */
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bool willRetain : 1; /**< will retain setting */
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bool password : 1; /**< 3.1 password */
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bool username : 1; /**< 3.1 user name */
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} bits;
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#endif
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} flags; /**< connect flags byte */
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char *Protocol, /**< MQTT protocol name */
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*clientID, /**< string client id */
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*willTopic, /**< will topic */
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*willMsg; /**< will payload */
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int keepAliveTimer; /**< keepalive timeout value in seconds */
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unsigned char version; /**< MQTT version number */
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} Connect;
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/**
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* Data for a willMessage.
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*/
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typedef struct
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{
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char* topic;
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char* msg;
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int retained;
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int qos;
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}willMessages;
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/**
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* Data for a connack packet.
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*/
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typedef struct
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{
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Header header; /**< MQTT header byte */
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union
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{
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unsigned char all; /**< all connack flags */
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#if defined(REVERSED)
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struct
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{
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unsigned int reserved : 7; /**< message type nibble */
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bool sessionPresent : 1; /**< was a session found on the server? */
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} bits;
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#else
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struct
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{
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bool sessionPresent : 1; /**< was a session found on the server? */
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unsigned int reserved : 7; /**< message type nibble */
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} bits;
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#endif
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} flags; /**< connack flags byte */
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char rc; /**< connack return code */
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} Connack;
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/**
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* Data for a publish packet.
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*/
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typedef struct
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{
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Header header; /**< MQTT header byte */
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char* topic; /**< topic string */
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int topiclen;
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int msgId; /**< MQTT message id */
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char* payload; /**< binary payload, length delimited */
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int payloadlen; /**< payload length */
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} Publish;
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/**
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* Data for one of the ack packets.
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*/
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typedef struct
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{
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Header header; /**< MQTT header byte */
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int msgId; /**< MQTT message id */
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} Ack;
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/**
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* Class MQTT Packet
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*/
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class MQTTGWPacket
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{
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public:
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MQTTGWPacket();
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~MQTTGWPacket();
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int recv(Network* network);
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int send(Network* network);
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int getType(void);
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int getPacketData(unsigned char* buf);
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int getPacketLength(void);
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const char* getName(void);
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int getAck(Ack* ack);
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int getCONNACK(Connack* resp);
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int getSUBACK(unsigned short* msgId, unsigned char* rc);
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int getPUBLISH(Publish* pub);
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int setCONNECT(Connect* conect, unsigned char* username, unsigned char* password);
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int setPUBLISH(Publish* pub);
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int setAck(unsigned char msgType, unsigned short msgid);
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int setHeader(unsigned char msgType);
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int setSUBSCRIBE(const char* topic, unsigned char qos, unsigned short msgId);
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int setUNSUBSCRIBE(const char* topics, unsigned short msgid);
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char* getMsgId(char* buf);
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char* print(char* buf);
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private:
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void clearData(void);
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Header _header;
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int _remainingLength;
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unsigned char* _data;
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};
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}
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#endif /* MQTTGWPACKET_H_ */
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