The Cayenne MQTT mbed Library provides functions to easily connect to the Cayenne IoT project builder.
Fork of Cayenne-MQTT-mbed by
Diff: src/CayenneMQTTClient/NetworkInterface.h
- Revision:
- 0:09ef59d2d0f7
- Child:
- 11:532406b58e8f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/CayenneMQTTClient/NetworkInterface.h Fri Oct 07 17:21:45 2016 +0000 @@ -0,0 +1,45 @@ +/* +The MIT License(MIT) + +Cayenne MQTT Client Library +Copyright (c) 2016 myDevices + +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 _NETWORKINTERFACE_h +#define _NETWORKINTERFACE_h + +// Interface for the platform specific Network class used by MQTTClient. You do not need to derive your Network class from this interface +// but your platform specific Network class must provide the same functions. +class NetworkInterface +{ +public: + /** + * Read data from the network. + * @param[out] buffer Buffer that receives the data + * @param[in] len Buffer length + * @param[in] timeout_ms Timeout for the read operation, in milliseconds + * @return 1 for success, any other value for error + */ + virtual int read(unsigned char* buffer, int len, int timeout_ms) = 0; + + /** + * Write data to the network. + * @param[in] buffer Buffer that contains data to write + * @param[in] len Number of bytes to write + * @param[in] timeout_ms Timeout for the write operation, in milliseconds + * @return Number of bytes written on success, a negative value for error + */ + virtual int write(unsigned char* buffer, int len, int timeout_ms) = 0; +}; + +#endif