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Accurate toll calculator

A toll calculator which will receive starting point and destination point from different OBUs, and calculate total toll costs and create invoice

run docker compose upd -d --build to run kafka broker

Summary of what each microservice will do

  • obu \

It's just a mocked obu that will send starting point and dentation for us to process and calculate

  • data_receiver

Will receive data through websocket connection and produce calculated distance to Kafka

  • Listen to the socket for receiving data
  • Validate encoming request
  • Produce to kafka
  • distance_calculator

Will consume data from kafka, and calculate toll price and send it to aggregator microservice using HTTP or gRPC clients

  • Consume to obudata topic
  • Calculate distance for the obu
  • Send calculated distance to aggregator service using gRPC or HTTP clients
  • aggregator

Will receive, aggregate and return invoices for OBUs

  • Will aggregate invoices via gRPC and HTTP
  • Will process, calculate and return invoice for an OBU
  • gateway

Gate way to interact with microservices

  • Has /invoice endpoint, which will get an OBU id
  • Will get invoice for entered OBU from the aggregator service using gRPC or HTTP client
  • Return invoice to user

running project

  • docker compose up -d --build
  • cd data_receiver && make run
  • cd distance_calculator && make run
  • cd aggregator && make run
  • cd obu && make run

to use the gate way endpoint

  • cd gateway && make run

alt