mqtt specific components for the impact mbed endpoint library
Dependents: mbed_mqtt_endpoint_ublox_ethernet mbed_mqtt_endpoint_ublox_cellular mbed_mqtt_endpoint_nxp
Diff: MQTTTransport.h
- Revision:
- 0:a3fc1c6ef150
- Child:
- 7:8a4a61202b36
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MQTTTransport.h Wed Mar 26 19:48:35 2014 +0000 @@ -0,0 +1,67 @@ +/* Copyright C2013 Doug Anson, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files the "Software", to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef ___MQTTTRANSPORT_H_ +#define ___MQTTTRANSPORT_H_ + +// Base Class +#include "Transport.h" + +// MQTT Support +#include "PubSubClient.h" + +// MBED to IOC Resource Map +#include "MBEDToIOCResourceMap.h" + +class MQTTTransport : public Transport { + private: + PubSubClient *m_mqtt; + MBEDToIOCResourceMap *m_map; + char m_topic[MQTT_IOC_TOPIC_LEN+1]; + char m_endpoint_name[LIGHT_NAME_LEN+1]; + int m_ping_counter; + int m_ping_countdown; + + public: + MQTTTransport(ErrorHandler *error_handler,void *endpoint,MBEDToIOCResourceMap *map); + virtual ~MQTTTransport(); + + void processMessage(char *message_name,char *payload, unsigned int payload_length); + + virtual bool connect(); + virtual bool disconnect(); + + virtual void checkAndProcess(); + + char *getEndpointNameFromTopic(char *topic); + + bool isPongMessage(char *topic,char *payload,int payload_length); + void processPongMessage(char *payload,int payload_length); + + private: + char *makeID(char *id_template, char *buffer); + void initTopic(); + char *getTopic(); + char *mapIOCResourceToEndpointResource(char *ioc_name); + void sendResult(char *endpoint_name,char *parameter_name,char *value,bool success); + MBEDToIOCResourceMap *getMap(); + + bool sendPingMessage(); +}; + +#endif // ___MQTTTRANSPORT_H_ \ No newline at end of file