FreeDATA/gui/main.js

const { app, BrowserWindow, ipcMain, dialog, shell } = require("electron");
const { autoUpdater } = require("electron-updater");
const path = require("path");
const fs = require("fs");
const os = require("os");
const spawn = require("child_process").spawn;

const log = require("electron-log");
const mainLog = log.scope("main");
const daemonProcessLog = log.scope("freedata-daemon");
const mime = require("mime");
const net = require("net");
//Useful for debugging event emitter memory leaks
//require('events').EventEmitter.defaultMaxListeners = 10;
//process.traceProcessWarnings=true;

const sysInfo = log.scope("system information");
sysInfo.info("SYSTEM INFORMATION  -----------------------------  ");
sysInfo.info("APP VERSION : " + app.getVersion());
sysInfo.info("PLATFORM    : " + os.platform());
sysInfo.info("ARCHITECTURE: " + os.arch());
sysInfo.info("FREE  MEMORY: " + os.freemem());
sysInfo.info("TOTAL MEMORY: " + os.totalmem());
sysInfo.info("LOAD AVG    : " + os.loadavg());
sysInfo.info("RELEASE     : " + os.release());
sysInfo.info("TYPE        : " + os.type());
sysInfo.info("VERSION     : " + os.version());
sysInfo.info("UPTIME      : " + os.uptime());

app.setName("FreeDATA");

var appDataFolder =
  process.env.APPDATA ||
  (process.platform == "darwin"
    ? process.env.HOME + "/Library/Application Support"
    : process.env.HOME + "/.config");
var configFolder = path.join(appDataFolder, "FreeDATA");
var configPath = path.join(configFolder, "config.json");

// create config folder if not exists
if (!fs.existsSync(configFolder)) {
  fs.mkdirSync(configFolder);
}

// create config file if not exists with defaults
const configDefaultSettings =
  '{\
                  "tnc_host": "127.0.0.1",\
                  "tnc_port": "3000",\
                  "daemon_host": "127.0.0.1",\
                  "daemon_port": "3001",\
                  "mycall": "AA0AA-0",\
                  "mygrid": "JN40aa",\
                  "radiocontrol" : "disabled",\
                  "hamlib_deviceid": "RIG_MODEL_DUMMY_NOVFO",\
                  "hamlib_deviceport": "ignore",\
                  "hamlib_stop_bits": "ignore",\
                  "hamlib_data_bits": "ignore",\
                  "hamlib_handshake": "ignore",\
                  "hamlib_serialspeed": "ignore",\
                  "hamlib_dtrstate": "ignore",\
                  "hamlib_pttprotocol": "ignore",\
                  "hamlib_ptt_port": "ignore",\
                  "hamlib_dcd": "ignore",\
                  "hamlbib_serialspeed_ptt": "9600",\
                  "hamlib_rigctld_port" : "4532",\
                  "hamlib_rigctld_ip" : "127.0.0.1",\
                  "hamlib_rigctld_path" : "",\
                  "hamlib_rigctld_server_port" : "4532",\
                  "hamlib_rigctld_custom_args": "",\
                  "spectrum": "waterfall",\
                  "tnclocation": "localhost",\
                  "enable_scatter" : "False",\
                  "enable_fft" : "False",\
                  "enable_fsk" : "False",\
                  "low_bandwidth_mode" : "False",\
                  "theme" : "default",\
                  "screen_height" : 430,\
                  "screen_width" : 1050,\
                  "update_channel" : "latest",\
                  "beacon_interval" : 5,\
                  "received_files_folder" : "None",\
                  "tuning_range_fmin" : "-50.0",\
                  "tuning_range_fmax" : "50.0",\
                  "respond_to_cq" : "True",\
                  "rx_buffer_size" : "16", \
                  "enable_explorer" : "False", \
                  "wftheme": 2, \
                  "high_graphics" : "True",\
                  "explorer_stats" : "False", \
                  "auto_tune" : "False", \
                  "enable_is_writing" : "True" \
                  }';

if (!fs.existsSync(configPath)) {
  fs.writeFileSync(configPath, configDefaultSettings);
}

// load settings
var config = require(configPath);

//config validation
// check running config against default config.
// if parameter not exists, add it to running config to prevent errors
sysInfo.info("CONFIG VALIDATION  -----------------------------  ");

var parsedConfig = JSON.parse(configDefaultSettings);
for (key in parsedConfig) {
  if (config.hasOwnProperty(key)) {
    sysInfo.info("FOUND SETTTING [" + key + "]: " + config[key]);
  } else {
    sysInfo.error("MISSING SETTTING [" + key + "] : " + parsedConfig[key]);
    config[key] = parsedConfig[key];
    fs.writeFileSync(configPath, JSON.stringify(config, null, 2));
  }
}
sysInfo.info("------------------------------------------  ");

/*
var chatDB = path.join(configFolder, 'chatDB.json')
// create chat database file if not exists
const configContentChatDB = `
{ "chatDB" : [{
    "id" : "00000000",
    "timestamp" : 1234566,
    "mycall" : "AA0AA",
    "dxcall" : "AB0AB",
    "dxgrid" : "JN1200",
    "message" : "hallowelt"
}]
}
`;
if (!fs.existsSync(chatDB)) {
    fs.writeFileSync(chatDB, configContentChatDB);
}
*/

/*
// Creates receivedFiles folder if not exists
// https://stackoverflow.com/a/26227660
var appDataFolder = process.env.HOME
var applicationFolder = path.join(appDataFolder, "FreeDATA");
var receivedFilesFolder = path.join(applicationFolder, "receivedFiles");

// https://stackoverflow.com/a/13544465
fs.mkdir(receivedFilesFolder, {
    recursive: true
}, function(err) {
    console.log(err);
});

*/

let win = null;
let data = null;
let logViewer = null;
var daemonProcess = null;

// create a splash screen
function createSplashScreen() {
  splashScreen = new BrowserWindow({
    height: 250,
    width: 250,
    transparent: true,
    frame: false,
    alwaysOnTop: true,
  });
  splashScreen.loadFile("src/splash.html");
  splashScreen.center();
}

function createWindow() {
  win = new BrowserWindow({
    width: config.screen_width,
    height: config.screen_height,
    show: false,
    autoHideMenuBar: true,
    icon: "src/img/icon.png",
    webPreferences: {
      //preload: path.join(__dirname, 'preload-main.js'),
      backgroundThrottle: false,
      preload: require.resolve("./preload-main.js"),
      nodeIntegration: true,
      contextIsolation: false,
      enableRemoteModule: false,
      sandbox: false,
      //https://stackoverflow.com/questions/53390798/opening-new-window-electron/53393655
      //https://github.com/electron/remote
    },
  });
  // hide menu bar
  win.setMenuBarVisibility(false);

  //open dev tools
  /*win.webContents.openDevTools({
        mode: 'undocked',
        activate: true,
    })
    */
  win.loadFile("src/index.html");

  chat = new BrowserWindow({
    height: 600,
    width: 1000,
    show: false,
    //parent: win,
    webPreferences: {
      preload: require.resolve("./preload-chat.js"),
      nodeIntegration: true,
    },
  });

  chat.loadFile("src/chat-module.html");
  chat.setMenuBarVisibility(false);

  logViewer = new BrowserWindow({
    height: 900,
    width: 600,
    show: false,
    //parent: win,
    webPreferences: {
      preload: require.resolve("./preload-log.js"),
      nodeIntegration: true,
    },
  });

  logViewer.loadFile("src/log-module.html");
  logViewer.setMenuBarVisibility(false);

  // Emitted when the window is closed.
  logViewer.on("close", function (evt) {
    if (logViewer !== null) {
      evt.preventDefault();
      logViewer.hide();
    } else {
      this.close();
    }
  });

  // Emitted when the window is closed.
  win.on("closed", function () {
    console.log("closing all windows.....");
    /*
        win = null;
        chat = null;
        logViewer = null;
        */
    close_all();
  });

  win.once("ready-to-show", () => {
    log.transports.file.level = "debug";
    autoUpdater.logger = log.scope("updater");

    autoUpdater.channel = config.update_channel;

    autoUpdater.autoInstallOnAppQuit = false;
    autoUpdater.autoDownload = true;
    autoUpdater.checkForUpdatesAndNotify();
    //autoUpdater.quitAndInstall();
  });

  chat.on("closed", function () {});

  // https://stackoverflow.com/questions/44258831/only-hide-the-window-when-closing-it-electron
  chat.on("close", function (evt) {
    evt.preventDefault();
    chat.hide();
  });
}

app.whenReady().then(() => {
  // show splash screen
  createSplashScreen();

  // create main window
  createWindow();

  // wait some time, then close splash screen and show main windows
  setTimeout(function () {
    splashScreen.close();
    win.show();
  }, 3000);

  //Generate daemon binary path
  var daemonPath = "";
  switch (os.platform().toLowerCase()) {
    case "darwin":
    case "linux":
      daemonPath = path.join(process.resourcesPath, "tnc", "freedata-daemon");

      break;
    case "win32":
    case "win64":
      daemonPath = path.join(
        process.resourcesPath,
        "tnc",
        "freedata-daemon.exe"
      );
      break;
    default:
      console.log("Unhandled OS Platform: ", os.platform());
      break;
  }

  //Start daemon binary if it exists
  if (fs.existsSync(daemonPath)) {
    mainLog.info("Starting freedata-daemon binary");
    daemonProcess = spawn(daemonPath, [], {
      cwd: path.join(daemonPath, ".."),
    });
    // return process messages
    daemonProcess.on("error", (err) => {
      daemonProcessLog.error(`error when starting daemon: ${err}`);
    });
    daemonProcess.on("message", (data) => {
      daemonProcessLog.info(`${data}`);
    });
    daemonProcess.stdout.on("data", (data) => {
      daemonProcessLog.info(`${data}`);
    });
    daemonProcess.stderr.on("data", (data) => {
      daemonProcessLog.info(`${data}`);
      let arg = {
        entry: `${data}`,
      };
      // send info to log only if log screen available
      // it seems an error occurs when updating
      if (logViewer !== null && logViewer !== "") {
        try {
          logViewer.webContents.send("action-update-log", arg);
        } catch (e) {
          // empty for keeping error stuff silent
          // this is important to avoid error messages if we are going to close the app while
          // an logging information will be pushed to the logger
        }
      }
    });
    daemonProcess.on("close", (code) => {
      daemonProcessLog.warn(`daemonProcess exited with code ${code}`);
    });
  } else {
    daemonProcess = null;
    daemonPath = null;
    mainLog.info("Daemon binary doesn't exist--normal for dev environments.");
  }
  win.send("action-set-app-version", app.getVersion());
});

app.on("activate", () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow();
  }
});

app.on("window-all-closed", () => {
  close_all();
});

// IPC HANDLER
//Show/update task bar/button progressbar
ipcMain.on("request-show-electron-progressbar", (event, data) => {
  win.setProgressBar(data / 100);
});

ipcMain.on("request-show-chat-window", () => {
  chat.show();
});

// UPDATE TNC CONNECTION
ipcMain.on("request-update-tnc-ip", (event, data) => {
  win.webContents.send("action-update-tnc-ip", data);
});

// UPDATE DAEMON CONNECTION
ipcMain.on("request-update-daemon-ip", (event, data) => {
  win.webContents.send("action-update-daemon-ip", data);
});

ipcMain.on("request-update-tnc-state", (event, arg) => {
  win.webContents.send("action-update-tnc-state", arg);
  //data.webContents.send('action-update-tnc-state', arg);
});

/*
ipcMain.on('request-update-data-state', (event, arg) => {
    //win.webContents.send('action-update-data-state', arg);
    //data.webContents.send('action-update-data-state', arg);
});

ipcMain.on('request-update-heard-stations', (event, arg) => {
    win.webContents.send('action-update-heard-stations', arg);
});
*/
ipcMain.on("request-update-daemon-state", (event, arg) => {
  win.webContents.send("action-update-daemon-state", arg);
});

ipcMain.on("request-update-hamlib-test", (event, arg) => {
  win.webContents.send("action-update-hamlib-test", arg);
});

ipcMain.on("request-update-tnc-connection", (event, arg) => {
  win.webContents.send("action-update-tnc-connection", arg);
});

ipcMain.on("request-update-daemon-connection", (event, arg) => {
  win.webContents.send("action-update-daemon-connection", arg);
});

ipcMain.on("run-tnc-command", (event, arg) => {
  win.webContents.send("run-tnc-command", arg);
});

ipcMain.on("tnc-fec-iswriting", (event, arg) => {
  win.webContents.send("run-tnc-command-fec-iswriting");
});

ipcMain.on("request-update-rx-buffer", (event, arg) => {
  win.webContents.send("action-update-rx-buffer", arg);
});

/*
ipcMain.on('request-update-rx-msg-buffer', (event, arg) => {
    chat.webContents.send('action-update-rx-msg-buffer', arg);
});
*/
ipcMain.on("request-new-msg-received", (event, arg) => {
  chat.webContents.send("action-new-msg-received", arg);
});
ipcMain.on("request-update-transmission-status", (event, arg) => {
  chat.webContents.send("action-update-transmission-status", arg);
  win.webContents.send("action-update-transmission-status", arg);
});

ipcMain.on("request-update-reception-status", (event, arg) => {
  win.webContents.send("action-update-reception-status", arg);
});

ipcMain.on("request-open-tnc-log", () => {
  logViewer.show();
});

//file selector
ipcMain.on("get-file-path", (event, data) => {
  dialog
    .showOpenDialog({
      defaultPath: path.join(__dirname, "../"),
      buttonLabel: "Select rigctld",
      properties: ["openFile"],
    })
    .then((filePaths) => {
      win.webContents.send("return-file-paths", { path: filePaths });
    });
});

//folder selector
ipcMain.on("get-folder-path", (event, data) => {
  dialog
    .showOpenDialog({
      defaultPath: path.join(__dirname, "../"),
      buttonLabel: "Select folder",
      properties: ["openDirectory"],
    })
    .then((folderPaths) => {
      win.webContents.send("return-folder-paths", { path: folderPaths });
    });
});

//open folder
ipcMain.on("open-folder", (event, data) => {
  shell.showItemInFolder(data.path);
});

//select file
ipcMain.on("select-file", (event, data) => {
  dialog
    .showOpenDialog({
      defaultPath: path.join(__dirname, "../"),
      buttonLabel: "Select file",
      properties: ["openFile"],
    })
    .then((filepath) => {
      console.log(filepath.filePaths[0]);

      try {
        //fs.readFile(filepath.filePaths[0], 'utf8',  function (err, data) {
        //Has to be binary
        fs.readFile(filepath.filePaths[0], "binary", function (err, data) {
          console.log(data.length);

          console.log(data);

          var filename = path.basename(filepath.filePaths[0]);
          var mimeType = mime.getType(filename);
          console.log(mimeType);
          if (mimeType == "" || mimeType == null) {
            mimeType = "plain/text";
          }
          chat.webContents.send("return-selected-files", {
            data: data,
            mime: mimeType,
            filename: filename,
          });
        });
      } catch (err) {
        console.log(err);
      }
    });
});

//save file to folder
ipcMain.on("save-file-to-folder", (event, data) => {
  console.log(data.file);

  dialog.showSaveDialog({ defaultPath: data.filename }).then((filepath) => {
    console.log(filepath.filePath);
    console.log(data.file);

    try {
      let arraybuffer = Buffer.from(data.file, "base64").toString("utf-8");
      console.log(arraybuffer);
      //Has to be binary
      fs.writeFile(
        filepath.filePath,
        arraybuffer,
        "binary",
        function (err, data) {}
      );
    } catch (err) {
      console.log(err);
    }
  });
});

//tnc messages START --------------------------------------

// FEC iswriting received
ipcMain.on("request-show-fec-toast-iswriting", (event, data) => {
  //win.webContents.send("action-show-fec-toast-iswriting", data);
  chat.webContents.send("action-show-feciswriting", data);
});

// CQ TRANSMITTING
ipcMain.on("request-show-cq-toast-transmitting", (event, data) => {
  win.webContents.send("action-show-cq-toast-transmitting", data);
});

// CQ RECEIVED
ipcMain.on("request-show-cq-toast-received", (event, data) => {
  win.webContents.send("action-show-cq-toast-received", data);
});

// QRV TRANSMITTING
ipcMain.on("request-show-qrv-toast-transmitting", (event, data) => {
  win.webContents.send("action-show-qrv-toast-transmitting", data);
});

// QRV RECEIVED
ipcMain.on("request-show-qrv-toast-received", (event, data) => {
  win.webContents.send("action-show-qrv-toast-received", data);
});

// BEACON TRANSMITTING
ipcMain.on("request-show-beacon-toast-transmitting", (event, data) => {
  win.webContents.send("action-show-beacon-toast-transmitting", data);
});

// BEACON RECEIVED
ipcMain.on("request-show-beacon-toast-received", (event, data) => {
  win.webContents.send("action-show-beacon-toast-received", data);
});

// PING TRANSMITTING
ipcMain.on("request-show-ping-toast-transmitting", (event, data) => {
  win.webContents.send("action-show-ping-toast-transmitting", data);
});

// PING RECEIVED
ipcMain.on("request-show-ping-toast-received", (event, data) => {
  win.webContents.send("action-show-ping-toast-received", data);
});

// PING RECEIVED ACK
ipcMain.on("request-show-ping-toast-received-ack", (event, data) => {
  win.webContents.send("action-show-ping-toast-received-ack", data);
});

// ARQ DATA CHANNEL OPENING
ipcMain.on("request-show-arq-toast-datachannel-opening", (event, data) => {
  win.webContents.send("action-show-arq-toast-datachannel-opening", data);
});

// ARQ DATA CHANNEL WAITING
ipcMain.on("request-show-arq-toast-datachannel-waiting", (event, data) => {
  win.webContents.send("action-show-arq-toast-datachannel-waiting", data);
});

// ARQ DATA CHANNEL OPEN
ipcMain.on("request-show-arq-toast-datachannel-opened", (event, data) => {
  win.webContents.send("action-show-arq-toast-datachannel-opened", data);
});

// ARQ DATA RECEIVED OPENER
ipcMain.on(
  "request-show-arq-toast-datachannel-received-opener",
  (event, data) => {
    win.webContents.send(
      "action-show-arq-toast-datachannel-received-opener",
      data
    );
  }
);

// ARQ TRANSMISSION FAILED
ipcMain.on("request-show-arq-toast-transmission-failed", (event, data) => {
  win.webContents.send("action-show-arq-toast-transmission-failed", data);
});

// ARQ TRANSMISSION FAILED
ipcMain.on("request-show-arq-toast-transmission-failed-ver", (event, data) => {
  win.webContents.send("action-show-arq-toast-transmission-failed-ver", data);
});

// ARQ TRANSMISSION RECEIVING
ipcMain.on("request-show-arq-toast-transmission-receiving", (event, data) => {
  win.webContents.send("action-show-arq-toast-transmission-receiving", data);
});

// ARQ TRANSMISSION RECEIVED
ipcMain.on("request-show-arq-toast-transmission-received", (event, data) => {
  win.webContents.send("action-show-arq-toast-transmission-received", data);
});

// ARQ TRANSMISSION TRANSMITTING
ipcMain.on(
  "request-show-arq-toast-transmission-transmitting",
  (event, data) => {
    win.webContents.send(
      "action-show-arq-toast-transmission-transmitting",
      data
    );
  }
);

// ARQ TRANSMISSION TRANSMITTED
ipcMain.on("request-show-arq-toast-transmission-transmitted", (event, data) => {
  win.webContents.send("action-show-arq-toast-transmission-transmitted", data);
});

// ARQ SESSION CONNECTING
ipcMain.on("request-show-arq-toast-session-connecting", (event, data) => {
  win.webContents.send("action-show-arq-toast-session-connecting", data);
});

// ARQ SESSION WAITING
ipcMain.on("request-show-arq-toast-session-waiting", (event, data) => {
  win.webContents.send("action-show-arq-toast-session-waiting", data);
});

// ARQ SESSION CONNECTED
ipcMain.on("request-show-arq-toast-session-connected", (event, data) => {
  win.webContents.send("action-show-arq-toast-session-connected", data);
});

// ARQ SESSION CLOSE
ipcMain.on("request-show-arq-toast-session-close", (event, data) => {
  win.webContents.send("action-show-arq-toast-session-close", data);
});

// ARQ SESSION FAILED
ipcMain.on("request-show-arq-toast-session-failed", (event, data) => {
  win.webContents.send("action-show-arq-toast-session-failed", data);
});

//tnc messages END --------------------------------------

//restart and install udpate
ipcMain.on("request-restart-and-install", (event, data) => {
  close_sub_processes();
  autoUpdater.quitAndInstall();
});

// LISTENER FOR UPDATER EVENTS
autoUpdater.on("update-available", (info) => {
  mainLog.info("update available");

  let arg = {
    status: "update-available",
    info: info,
  };
  win.webContents.send("action-updater", arg);
});

autoUpdater.on("update-not-available", (info) => {
  mainLog.info("update not available");
  let arg = {
    status: "update-not-available",
    info: info,
  };
  win.webContents.send("action-updater", arg);
});

autoUpdater.on("update-downloaded", (info) => {
  mainLog.info("update downloaded");
  let arg = {
    status: "update-downloaded",
    info: info,
  };
  win.webContents.send("action-updater", arg);
  // we need to call this at this point.
  // if an update is available and we are force closing the app
  // the entire screen crashes...
  //mainLog.info('quit application and install update');
  //autoUpdater.quitAndInstall();
});

autoUpdater.on("checking-for-update", () => {
  mainLog.info("checking for update");
  let arg = {
    status: "checking-for-update",
    version: app.getVersion(),
  };
  win.webContents.send("action-updater", arg);
});

autoUpdater.on("download-progress", (progress) => {
  let arg = {
    status: "download-progress",
    progress: progress,
  };
  win.webContents.send("action-updater", arg);
});

autoUpdater.on("error", (error) => {
  mainLog.info("update error");
  let arg = {
    status: "error",
    progress: error,
  };
  win.webContents.send("action-updater", arg);
  mainLog.error("AUTO UPDATER : " + error);
});

function close_sub_processes() {
  mainLog.warn("closing sub processes");

  // closing the tnc binary if not closed when closing application and also our daemon which has been started by the gui
  try {
    if (daemonProcess != null) {
      daemonProcess.kill();
    }
  } catch (e) {
    mainLog.error(e);
  }

  mainLog.warn("closing tnc and daemon");
  try {
    if (os.platform() == "win32" || os.platform() == "win64") {
      spawn("Taskkill", ["/IM", "freedata-tnc.exe", "/F"]);
      spawn("Taskkill", ["/IM", "freedata-daemon.exe", "/F"]);
    }

    if (os.platform() == "linux") {
      spawn("pkill", ["-9", "freedata-tnc"]);
      spawn("pkill", ["-9", "freedata-daemon"]);
    }

    if (os.platform() == "darwin") {
      spawn("pkill", ["-9", "freedata-tnc"]);
      spawn("pkill", ["-9", "freedata-daemon"]);
    }
  } catch (e) {
    mainLog.error(e);
  }
}

function close_all() {
  // function for closing the application with closing all used processes

  close_sub_processes();

  mainLog.warn("quitting app");

  win.destroy();
  chat.destroy();
  logViewer.destroy();

  app.quit();
}

// RUN RIGCTLD
ipcMain.on("request-start-rigctld", (event, data) => {
  try {
    let rigctld_proc = spawn(data.path, data.parameters);

    rigctld_proc.on("exit", function (code) {
      console.log("rigctld process exited with code " + code);

      // if rigctld crashes, error code is -2
      // then we are going to restart rigctld
      // this "fixes" a problem with latest rigctld on raspberry pi
      //if (code == -2){
      //    setTimeout(ipcRenderer.send('request-start-rigctld', data), 500);
      //}
      //let rigctld_proc = spawn(data.path, data.parameters);
    });
  } catch (e) {
    console.log(e);
  }

  /*
    const rigctld = exec(data.path, data.parameters);
    rigctld.stdout.on("data", data => {
        console.log(`stdout: ${data}`);
    });
    */
});

// STOP RIGCTLD
ipcMain.on("request-stop-rigctld", (event, data) => {
  mainLog.warn("closing rigctld");
  try {
    if (os.platform() == "win32" || os.platform() == "win64") {
      spawn("Taskkill", ["/IM", "rigctld.exe", "/F"]);
    }

    if (os.platform() == "linux") {
      spawn("pkill", ["-9", "rigctld"]);
    }

    if (os.platform() == "darwin") {
      spawn("pkill", ["-9", "rigctld"]);
    }
  } catch (e) {
    mainLog.error(e);
  }
});

// CHECK RIGCTLD CONNECTION
// create new socket so we are not reopening every time a new one
var rigctld_connection = new net.Socket();
var rigctld_connection_state = false;
var rigctld_events_wired = false;

ipcMain.on("request-check-rigctld", (event, data) => {
  try {
    let Data = {
      state: "unknown",
    };

    if (!rigctld_connection_state) {
      rigctld_connection = new net.Socket();
      rigctld_events_wired = false;
      rigctld_connection.connect(data.port, data.ip);
    }

    // Check if we have created a new socket object and attach listeners if not already created
    if (typeof rigctld_connection != "undefined" && !rigctld_events_wired) {
      rigctld_connection.on("connect", function () {
        rigctld_events_wired = true;
        mainLog.info("Starting rigctld event listeners");
        rigctld_connection_state = true;
        Data["state"] =
          "connection possible - (" + data.ip + ":" + data.port + ")";
        if (win !== null && win !== "" && typeof win != "undefined") {
          // try catch for being sure we have a clean app close
          try {
            win.webContents.send("action-check-rigctld", Data);
          } catch (e) {
            console.log(e);
          }
        }
      });

      rigctld_connection.on("error", function () {
        rigctld_connection_state = false;
        Data["state"] = "unknown/stopped - (" + data.ip + ":" + data.port + ")";
        if (win !== null && win !== "" && typeof win != "undefined") {
          // try catch for being sure we have a clean app close
          try {
            win.webContents.send("action-check-rigctld", Data);
          } catch (e) {
            console.log(e);
          }
        }
      });

      rigctld_connection.on("end", function () {
        rigctld_connection_state = false;
      });
    }
  } catch (e) {
    console.log(e);
  }
});