var net = require('net'); var config = require('./config.json'); var daemon = new net.Socket(); var msg = ''; // Current message, per connection. const { ipcRenderer } = require('electron'); setTimeout(connectDAEMON, 500) function connectDAEMON() { console.log('connecting to DAEMON...') //clear message buffer after reconnecting or inital connection msg = ''; daemon.connect(config.daemon_port, config.daemon_host) //client.setTimeout(5000); } daemon.on('connect', function(data) { console.log('DAEMON connection established') }) daemon.on('error', function(data) { console.log('DAEMON connection error'); setTimeout(connectDAEMON, 2000) }); /* client.on('close', function(data) { console.log(' TNC connection closed'); setTimeout(connectTNC, 2000) }); */ daemon.on('end', function(data) { console.log('DAEMON connection ended'); setTimeout(connectDAEMON, 2000) }); //exports.writeCommand = function(command){ writeDaemonCommand = function(command) { // we use the writingCommand function to update our TCPIP state because we are calling this function a lot // if socket openend, we are able to run commands if (daemon.readyState == 'open') { //uiMain.setDAEMONconnection('open') daemon.write(command + '\n'); } if (daemon.readyState == 'closed') { //uiMain.setDAEMONconnection('closed') } if (daemon.readyState == 'opening') { //uiMain.setDAEMONconnection('opening') } let Data = { daemon_connection: daemon.readyState, }; ipcRenderer.send('request-update-daemon-connection', Data); } // "https://stackoverflow.com/questions/9070700/nodejs-net-createserver-large-amount-of-data-coming-in" daemon.on('data', function(data) { data = data.toString('utf8'); /* convert data to string */ msg += data.toString('utf8'); /*append data to buffer so we can stick long data together */ /* check if we reached an EOF, if true, clear buffer and parse JSON data */ if (data.endsWith('}')) { /*console.log(msg)*/ try { /*console.log(msg)*/ data = JSON.parse(msg) } catch (e) { console.log(e); /* "SyntaxError */ } msg = ''; /*console.log("EOF detected!")*/ if (data['COMMAND'] == 'DAEMON_STATE') { let Data = { input_devices: data['INPUT_DEVICES'], output_devices: data['OUTPUT_DEVICES'], tnc_running_state: data['DAEMON_STATE'][0]['STATUS'], ram_usage: data['RAM'], cpu_usage: data['CPU'], version: data['VERSION'], }; ipcRenderer.send('request-update-daemon-state', Data); } ////// check if EOF ... } }); function hexToBytes(hex) { for (var bytes = [], c = 0; c < hex.length; c += 2) bytes.push(parseInt(hex.substr(c, 2), 16)); return bytes; } exports.getDaemonState = function() { //function getDaemonState(){ command = '{"type" : "GET", "command": "DAEMON_STATE"}' writeDaemonCommand(command) } // START TNC // ` `== multi line string exports.startTNC = function(rx_audio, tx_audio, deviceid, deviceport, ptt, serialspeed) { var json_command = JSON.stringify({ type: 'SET', command: 'STARTTNC', parameter: [{ rx_audio: rx_audio, tx_audio: tx_audio, deviceid: deviceid, deviceport: deviceport, ptt: ptt, serialspeed: serialspeed }] }) //console.log(json_command) writeDaemonCommand(json_command) } // STOP TNC exports.stopTNC = function() { command = '{"type" : "SET", "command": "STOPTNC" , "parameter": "---" }' writeDaemonCommand(command) }