@parallaxcontrol/node-red-control/biamp-tesira/biamp-tesira-command.js

A comprehensive package of Node-RED nodes designed to seamlessly integrate with the Parallax Control Engine, offering enhanced control capabilities for AV Automation.

const fs = require('fs');
const { exec } = require('child_process');
const net = require('net');
//send command to device
module.exports = function (RED) {
    function BiampTesiraCommand(config) {
        RED.nodes.createNode(this, config);
        var node = this;

        this.ipAddress = config.ip;
        this.username = config.user;
        this.password = config.pass;

        // Path to the named pipe for sending commands and reading responses
        //const pipePath = '/var/www/html/commands/ssh_command_output_pipe';
        //let pipeStream = null;

 

        // Start reading from the pipe as soon as the node is initialized
        //readPipe();

        node.on('input', function(msg) {
            let command; 

            // Construct the command string
            command = `/var/www/html/commands/ssh_command_pipe.sh "${msg.payload}"`;
            //command = `/usr/bin/expect /var/www/html/commands/send_cmd.exp "${msg.payload}"`;
            

            // Run the command script
            //msg.payload = `biamp-tesira-command.js, Sending command to ssh_command_pipe.sh: ${command}`;
            //node.send(msg);
            exec(command, (error, stdout, stderr) => {
                if (error) {
                    msg.payload = `Error in biamp-tesira-command.js, Sending command to ssh_command_pipe.sh: ${error}, ${stdout}, ${stderr}`;
                    node.send(msg);
                    node.warn(`Error: ${stderr}`);
                    node.error(`Error: ${stderr}`, msg);
                    node.status({ fill: "red", shape: "dot", text: "Error" });
                    return;
                }
            });
            
            
        });
    }

    RED.nodes.registerType("biamp-tesira-command", BiampTesiraCommand);
};