Message Data Broker

Introduction

Message data broker is a message broker that runs in the MEC server. The current version use ActiveMQ 5.15.11. This repositoty contains:

• A Message Broker to be deployed in the MEC, which is ActiveMQ (src/)
• An example of sender and receive in python (examples/activemq_clients)

The instruction to build the ActiveMQ source code are available into the REDME in src/ (a Make file with the commands is available).

Development instructions

Message Broker can be found in src/ folder

• sudo docker-compose up -d
• open http://:8161
  • manage ActiveMQ broker
  • admin/admin
  • you can see created topics

Builing the Message DataBroker

To build the activemq source code with docker, creating the image and saving the image.

make build-image

If you already saved locally the image, then the image could be loaded:

make load

To clean the loaded image: make clean

Then to run the docker-compose containing the activemq configuration:

make run

and to stop it:

make stop

Not required but a command to build and check the docker-compose is provided also:

make build

Examples

Have a look at the folder with the examples to run the senders:

• cits_sender_python: a python sender and receiver that run an AMQP sender simulating a number of vehicles that send messages with some properties attached.
  • pip dependencies
  • python-qpid-proton
• image_sender_python: a python sender and receiver that run an AMQP sender simulating a number of vehicle that sends images (different size, but all the same)

Look at the examples README for more details.

• cits_receiver_python: a python example to receive messages from AMQP events

• python3 sender.py -a amqp://user:password@<your_ip>:5673/topic://cits

Conclusion

#TODO