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https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
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118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/**************************************************************************************
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* Copyright (c) 2016, Tomoaki Yamaguchi
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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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* Tomoaki Yamaguchi - initial API and implementation and/or initial documentation
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* Tieto Poland Sp. z o.o. - Gateway improvements
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**************************************************************************************/
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#ifndef MQTTSNGATEWAY_SRC_MQTTSNGWTOPIC_H_
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#define MQTTSNGATEWAY_SRC_MQTTSNGWTOPIC_H_
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#include "MQTTSNGWPacket.h"
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#include "MQTTSNPacket.h"
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namespace MQTTSNGW
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{
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/*=====================================
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Class Topic
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======================================*/
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class Topic
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{
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friend class Topics;
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friend class AggregateTopicTable;
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public:
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Topic();
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Topic(string* topic, MQTTSN_topicTypes type);
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~Topic();
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string* getTopicName(void);
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uint16_t getTopicId(void);
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MQTTSN_topicTypes getType(void);
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bool isMatch(string* topicName);
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Topic* duplicate(void);
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void print(void);
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private:
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MQTTSN_topicTypes _type;
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uint16_t _topicId;
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string* _topicName;
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Topic* _next;
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};
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/*=====================================
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Class Topics
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======================================*/
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class Topics
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{
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public:
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Topics();
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~Topics();
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Topic* add(const MQTTSN_topicid* topicid);
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Topic* add(const char* topicName, uint16_t id = 0);
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Topic* getTopicByName(const MQTTSN_topicid* topic);
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Topic* getTopicById(const MQTTSN_topicid* topicid);
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Topic* getFirstTopic(void);
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Topic* getNextTopic(Topic* topic);
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Topic* match(const MQTTSN_topicid* topicid);
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void eraseNormal(void);
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uint16_t getNextTopicId();
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void print(void);
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uint8_t getCount(void);
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private:
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uint16_t _nextTopicId;
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Topic* _first;
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uint8_t _cnt;
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};
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/*=====================================
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Class TopicIdMapElement
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=====================================*/
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class TopicIdMapElement
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{
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friend class TopicIdMap;
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public:
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TopicIdMapElement(uint16_t msgId, uint16_t topicId, MQTTSN_topicid* topic);
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~TopicIdMapElement();
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MQTTSN_topicTypes getTopicType(void);
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uint16_t getTopicId(void);
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private:
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uint16_t _msgId;
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uint16_t _topicId;
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uint8_t _wildcard;
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MQTTSN_topicTypes _type;
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TopicIdMapElement* _next;
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TopicIdMapElement* _prev;
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};
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class TopicIdMap
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{
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public:
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TopicIdMap();
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~TopicIdMap();
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TopicIdMapElement* getElement(uint16_t msgId);
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TopicIdMapElement* add(uint16_t msgId, uint16_t topicId, MQTTSN_topicid* topic);
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void erase(uint16_t msgId);
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void clear(void);
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private:
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uint16_t* _msgIds;
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TopicIdMapElement* _first;
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TopicIdMapElement* _end;
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int _cnt;
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int _maxInflight;
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};
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}
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#endif /* MQTTSNGATEWAY_SRC_MQTTSNGWTOPIC_H_ */
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