Only try to launch tnc binary if it exists.

gui/main.js

@@ -316,74 +316,42 @@ app.whenReady().then(() => {
         win.show();
     }, 3000);
 
-    // start daemon by checking os
+    //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:
+
+            break;
+    }
+
+    //Start daemon binary if it exists
+    if (fs.existsSync(daemonPath)){
         mainLog.info('Starting freedata-daemon binary');
-
+        daemonProcess = spawn(daemonPath,[],
-    if(os.platform()=='darwin'){
-        daemonProcess = spawn(path.join(process.resourcesPath, 'tnc', 'freedata-daemon'), [],
             {
-                cwd: path.join(process.resourcesPath, 'tnc'),              
+                cwd: path.join(daemonPath,".."),
             });
-    }    
-    
-    /*
-    process.resourcesPath -->
-    /tmp/.mount_FreeDAUQYfKb/resources
-    
-    __dirname -->
-    /tmp/.mount_FreeDAUQYfKb/resources/app.asar
-    */
-
-    if(os.platform()=='linux'){
-
-    /*
-    var folder = path.join(process.resourcesPath, 'tnc');
-    //var folder = path.join(__dirname, 'extraResources', 'tnc');
-    console.log(folder);
-    fs.readdir(folder, (err, files) => {
-        console.log(files);
-    });
-    */
-
-        daemonProcess = spawn(path.join(process.resourcesPath, 'tnc', 'freedata-daemon'), [],
-            {   
-                cwd: path.join(process.resourcesPath, 'tnc'),              
-            });        
-    }
-
-    
-    if(os.platform()=='win32' || os.platform()=='win64'){
-        // for windows the relative path via path.join(__dirname) is not needed for some reason 
-        //daemonProcess = exec('\\tnc\\daemon.exe', [])
-        
-        daemonProcess = spawn(path.join(process.resourcesPath, 'tnc', 'freedata-daemon.exe'), [],
-            {   
-                cwd: path.join(process.resourcesPath, 'tnc'),              
-            });
-                
-    }
-
         // 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}`
             };
@@ -398,23 +366,23 @@ app.whenReady().then(() => {
                     // 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.")
+    }
+});
 
-
+app.on('activate', () => {
-
-    app.on('activate', () => {
     if (BrowserWindow.getAllWindows().length === 0) {
         createWindow();
     }
-    })
 })
 
-
 app.on('window-all-closed', () => {
     close_all();
 
@@ -782,6 +750,7 @@ function close_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)