mqtt specific components for the impact mbed endpoint library

Dependents:   mbed_mqtt_endpoint_ublox_ethernet mbed_mqtt_endpoint_ublox_cellular mbed_mqtt_endpoint_nxp

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_
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