implement auto port detect for web bridge

ElectronNET.API/BridgeSettings.cs

@@ -3,5 +3,6 @@
     public static class BridgeSettings
     {
         public static string SocketPort { get; set; }
+        public static string WebPort { get; set; }
     }
 }

ElectronNET.API/WebHostBuilderExtensions.cs

@@ -13,12 +13,16 @@ namespace ElectronNET.API
                 {
                     BridgeSettings.SocketPort = argument.ToUpper().Replace("/ELECTRONPORT=", "");
                     Console.WriteLine("Use Electron Port: " + BridgeSettings.SocketPort);
+                } else if(argument.ToUpper().Contains("ELECTRONWEBPORT"))
+                {
+                    BridgeSettings.WebPort = argument.ToUpper().Replace("/ELECTRONWEBPORT=", "");
                 }
             }
 
             if(IsElectronActive())
             {
-                builder.UseContentRoot(AppDomain.CurrentDomain.BaseDirectory);
+                builder.UseContentRoot(AppDomain.CurrentDomain.BaseDirectory)
+                    .UseUrls("http://0.0.0.0:" + BridgeSettings.WebPort);
             }
 
             return builder;

ElectronNET.Host/main.js

@@ -2,12 +2,11 @@ const { app, BrowserWindow, Notification } = require('electron');
 const fs = require('fs');
 const path = require('path');
 const process = require('child_process').spawn;
-let io, window, apiProcess;
-
-const portfinder = require('portfinder');
+const portfinder = require('detect-port');
+let io, window, apiProcess, loadURL;
 
 app.on('ready', () => {
-    portfinder.getPort((error, port) => {
+    portfinder(8000, (error, port) => {
         startSocketApiBridge(port);
     });
 });
@@ -24,7 +23,7 @@ function startSocketApiBridge(port) {
             options.show = true;
 
             window = new BrowserWindow(options);
-            window.loadURL('http://localhost:5000');
+            window.loadURL(loadURL);
 
             window.on('closed', function () {
                 mainWindow = null;
@@ -39,18 +38,22 @@ function startSocketApiBridge(port) {
     });
 }
 
-function startAspCoreBackend(port) {
-    //  run server
-    var binPath = path.join(__dirname, 'bin');
-    fs.readdir(binPath, (error, files) => {
-        const exeFiles = files.filter((name) => name.indexOf('.exe') > -1);
-        const exeFileName = exeFiles[0];
-        const apipath = path.join(binPath, exeFileName);
-        apiProcess = process(apipath, ['/electronPort=' + port]);
+function startAspCoreBackend(electronPort) {
+    portfinder(8000, (error, electronWebPort) => {
+        loadURL = `http://localhost:${electronWebPort}`
+        const arguments = [`/electronPort=${electronPort}`, `/electronWebPort=${electronWebPort}`];
 
-        apiProcess.stdout.on('data', (data) => {
-            var text = data.toString();
-            console.log(`stdout: ${data.toString()}`);
+        var binPath = path.join(__dirname, 'bin');
+        fs.readdir(binPath, (error, files) => {
+            const exeFiles = files.filter((name) => name.indexOf('.exe') > -1);
+            const exeFileName = exeFiles[0];
+            const apipath = path.join(binPath, exeFileName);
+            apiProcess = process(apipath, arguments);
+    
+            apiProcess.stdout.on('data', (data) => {
+                var text = data.toString();
+                console.log(`stdout: ${data.toString()}`);
+            });
         });
     });
 }

ElectronNET.Host/package-lock.json

@@ -18,6 +18,11 @@
         "negotiator": "0.6.1"
       }
     },
+    "address": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/address/-/address-1.0.3.tgz",
+      "integrity": "sha512-z55ocwKBRLryBs394Sm3ushTtBeg6VAeuku7utSoSnsJKvKcnXFIyC6vh27n3rXyxSgkJBBCAvyOn7gSUcTYjg=="
+    },
     "after": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
@@ -59,11 +64,6 @@
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
-    "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -311,6 +311,15 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
+    "detect-port": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/detect-port/-/detect-port-1.2.1.tgz",
+      "integrity": "sha512-2KWLTLsfpi/oYPGNBEniPcFzr1GW/s+Xq/4hJmTQRdE8ULuRwGnRPuVhS/cf+Z4ZEXNo7EO2f6oydHJQd94KMg==",
+      "requires": {
+        "address": "1.0.3",
+        "debug": "2.6.9"
+      }
+    },
     "ecc-jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
@@ -963,16 +972,6 @@
         "pinkie": "2.0.4"
       }
     },
-    "portfinder": {
-      "version": "1.0.13",
-      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.13.tgz",
-      "integrity": "sha1-uzLs2HwnEErm7kS1o8y/Drsa7ek=",
-      "requires": {
-        "async": "1.5.2",
-        "debug": "2.6.9",
-        "mkdirp": "0.5.0"
-      }
-    },
     "pretty-bytes": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-1.0.4.tgz",

ElectronNET.Host/package.json

@@ -10,8 +10,8 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "detect-port": "^1.2.1",
     "electron": "^1.7.8",
-    "portfinder": "^1.0.13",
     "socket.io": "^2.0.3"
   }
 }