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PDK-sink-node-drvier

This document describes the source code for the 'toIot' iot platform sink node, which is almost used in raspberry Pi

This codes runs on a Raspbrerry Pi and communicates with Arduino via mqtt protocol. In this code, Raspberry Pi plays the role of mqtt subscriber and broker , and also plays the role of kafka producer. When various sensor values are received from Arduino and transmitted , the Raspberry Pi, which operates this code, organizes the values with timestamp and sends them to kafka.

Raspberry Pi is a sink node that not only communicates with toIot's web server. Raspberry Pi has a seperate web server to communicate by handling requests from toiot's web server

Result

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Installation

- Git

sink node must have an mqtt broker, an mqtt subscriber, and aThe web server that will respond to requests from the backend.

  • Mqtt Broker
    As an MQTT broker,we used eclipse-mosquitto, which is very lightweight and fully supports most functions that an MQTT broker should have. It is also suitable for use on small devices.
    To install mosquitto, see https://mosquitto.org/download/ for details on installing binaries for various platforms. In this project, we used version 1.6.12

  • sink-node-webserver
    The web server we are going to put on the sink node is based on the flask framework.

    1. Clone the repo
    $ git clone https://github.com/SSU-NC/toiot-sink-node-driver
    $ cd toiot-sink-node-driver
    
    1. Install the dependencies:
    $ pip3 install -r requirements.txt
    

Quick Start

First start the mqtt broker,Mosquitto:

 $ mosquitto -v 

The default port is 1883, but you could change the port by modifiying mosquitto.conf file.

Then start the sink-node web server : There are three variables you should fill in

 $ cd toiot-sink-node-driver/app
 $ python3 run.py --b='MQTT_BROKER_IP' --k='KAFKA_BROKER_IP' --w='SINK_NODE_WEBSERVER_IP'

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  • Python 100.0%