添加动态变换端口, 新端口记录到注册表

ScanCodeServer/WebServer.cs

-using System;
+using Microsoft.Win32;
+using System;
 using System.ServiceModel;
 using System.ServiceModel.Web;
+using System.Windows.Forms;
 
 namespace ScanCodeServer
 {
@@ -9,22 +11,37 @@ namespace ScanCodeServer
         private static WebServiceHost _serviceHost;
 
         public static bool IsOpen { private set; get; }
-
+        static WebWork service = new WebWork();
+        static int errcount = 0;
         public static void Open(string url)
         {
+            var u = new Uri(url);
             try
             {
-                WebWork service = new WebWork();
-                _serviceHost = new WebServiceHost(service, new Uri(url));
+                _serviceHost = new WebServiceHost(service, u);
                 _serviceHost.Open();
-                
+                Registry.SetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\ScanCodeServer\\", "port", u.Port);
                 Common.log.Info("Web服务已开启，URL=" + url);
                 IsOpen = true;
             }
+            catch (AddressAlreadyInUseException ex)
+            {
+                Common.log.Info("端口:"+ u.Port + " 被占用");
+                errcount++;
+                if (errcount > 20)
+                {
+                    Environment.Exit(99);
+                    return;
+                }
+                Random a = new Random((int)DateTime.Now.Ticks);
+                var nu = "http://0.0.0.0:"+ a.Next(40000, 60000)+"/";
+                Open(nu);
+            }
             catch (Exception ex)
             {
                 Common.log.Error("WebService Open", ex);
                 IsOpen = false;
+                Environment.Exit(98);
             }
         }