Basic mqtt subscriber and publisher library based on PAHO Library

Basic mqtt subscriber, publisher library based on PAHO Library

STEP 1 : PAHO MQTT CLIENT Library Installation

1. git clone https://github.com/eclipse/paho.mqtt.c.git
2. brew install doxygen
3. cd paho.mqtt.c
4. make
5. sudo make install

In the event of compilation error do the following

1. Open 'Makefile'
2. Search for the following lines and comment them

    #   - $(INSTALL_DATA) ${blddir}/doc/MQTTClient/man/man3/MQTTClient.h.3 $(DESTDIR)${man3dir}
    #   - $(INSTALL_DATA) ${blddir}/doc/MQTTAsync/man/man3/MQTTAsync.h.3 $(DESTDIR)${man3dir}

3. Save the file and exit

Clean and Recompile

1. sudo make clean
2. sudo rm /usr/local/lib/libpaho-mqtt* #removes old libraries
3. make
4. sudo make install

STEP 2 : Compiling the library

1. git clone https://github.com/vikilabs/mqtt_client_library.git 
2. cd src
3. make
4. shared library and static library is generated at "../lib" directory

STEP 3: Example programs using the library

1. cd ../examples
2. ./compile.sh
3. ./mqtt_sub   # This executable starts mqtt subscriber
4. ./mqtt_pub   # This executable starts mqtt publisher