rtma-js

Javascript rtma/websocket client.

1. Install the latest pyrtma:

   pip install pyrtma

2. Write and build message defs for python and js (see pyrtma documentation):

   python -m pyrtma.compile -i message_defs.yaml --py --js

3. Run Message Manager:

   python -m pyrtma.manager

4. Run Web Manager:

   python -m pyrtma.web_manager -d message_defs.py

5. Import and call rtma-js client from your javascript web app

Installing as dependency

To install rtma-js as a npm package into your react project: npm install rtma-js

Install locally

1. Clone this repo

   git clone github.com/pitt-rnel/rtma-js

2. cd into your project directory

3. NPM install

   Use a relative or absolute path to this rtma-js repo, e.g.

   npm install ../../rtma-js

Using RTMAClient

 import { RTMA } from "climber_message";
 import { RTMAClient } from "rtma-js";

 export default function Main() {    
     const server = "127.0.0.1";
     const port = 5678;
     const module_id = 0;

     const client = new RTMAClient(server, port, module_id);

     //install handlers before connecting
     client.on_connect = () => {
         // subscribe to an array of RTMA messages
         client.subscribe([RTMA.MT.EXAMPLE_MSG]);
     }

     client.on_message = (msg) => {
         // your logic here
         if (msg.header.msg_type === RTMA.MT.EXAMPLE_MSG){
             const data = msg.data;
             const reply_msg = RTMA.MDF.EXAMPLE_MSG_REPLY();
             client.send_message(RTMA.MT.EXAMPLE_MSG_REPLY, reply_msg);
         }
     }

     client.connect();

 }