JSON-RPC over MQTT example

JSON-RPC over MQTT example

Installation

> gem 'json_rpc_over_mqtt_example'

Usage

Setup of the MQTT Broker in your machine. Mosquitto is better.

Setup of the MQTT Broker

• Mac OS X (homebrew)

Install

> brew install mosquitto

Starting MQTT Broker

> launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mosquitto.plist

Connect MQTT subscriber to MQTT Broker

> mosquitto_sub -h localhost -t client

Starting demo server

Starting JSON-RPC over MQTT example demo server.

> json_rpc_over_mqtt_server

Publish message to MQTT Broker

Publish message to a MQTT Broker.

• ping

Publisher

> mosquitto_pub -h localhost -t server -m '{"jsonrpc": "2.0", "id": 2, "method": "ping", "params": {"url": "yahoo.co.jp"}}'

Subscriber

> {"jsonrpc":"2.0","id":2,"result":"OK: yahoo.co.jp"}

• hello world

Publisher

> mosquitto_pub -h localhost -t server -m '{"jsonrpc": "2.0", "id": 1000, "method": "hello_world", "params": {"name": "Bob"}}'

Subscriber

> {"jsonrpc":"2.0","id":1000,"result":"Hello World, Bob!"}

• what time is it

Publisher

> mosquitto_pub -h localhost  -t server -m '{"jsonrpc": "2.0", "id": 1000, "method": "what_time_is_it?"}'

Subscriber

> {"jsonrpc":"2.0","id":1000,"result":"2014-12-31T09:36:47+09:00"}

environments variable

• Broker address

BROKER_ADDRESS

• topic name of server

SERVER_TOPIC_NAME

• topic name of client

CLIENT_TOPIC_NAME

Contributing

1. Fork it ( https://github.com/futoase/json_rpc_over_mqtt_example/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request