From f7c70f43a791dfb29b15fadec71d6d876f8d65b4 Mon Sep 17 00:00:00 2001
From: "Samuele E. Locatelli" <samuele@steamware.net>
Date: Sun, 28 Apr 2019 19:09:03 +0200
Subject: [PATCH] fix connect/disconnect x webDriver (chiude/riapre)

---
 IOB-WIN/IobWPS.cs | 61 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 43 insertions(+), 18 deletions(-)

diff --git a/IOB-WIN/IobWPS.cs b/IOB-WIN/IobWPS.cs
index 3776b484..273eb8fb 100644
--- a/IOB-WIN/IobWPS.cs
+++ b/IOB-WIN/IobWPS.cs
@@ -53,13 +53,13 @@ namespace IOB_WIN
     public IobWPS(AdapterForm caller, IobConfiguration IOBConf) : base(caller, IOBConf)
     {
       // preparo opzione headless x firefox
-#if false
+#if true
       var o = new FirefoxOptions();
       o.AddArgument("-headless");
       driver = new FirefoxDriver(Environment.CurrentDirectory, o);
       // aggiungo timeout x JScripts
       driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(15);
-      driver.Manage().Timeouts().PageLoad = TimeSpan.FromSeconds(15); 
+      driver.Manage().Timeouts().PageLoad = TimeSpan.FromSeconds(15);
 #endif
       // impostazione URI di base
       baseUri = $"http://{IOBConf.cncIpAddr}";
@@ -67,11 +67,11 @@ namespace IOB_WIN
       // test completo funzionalità, da TOGLIERE in prod...     
       baseUri = "https://www.plus2net.com/javascript_tutorial/clock.php";
 #endif
-#if false
+#if true
       // imposto pagina di acquisizione
       driver.Navigate().GoToUrl(baseUri);
-
 #endif
+
       // inizializzo LUT decodifica
       string jsonConf = getOptPar("LUT_CONF");
       if (jsonConf != "")
@@ -101,10 +101,15 @@ namespace IOB_WIN
       try
       {
         // in primis chiudo driver...
-        driver.Quit();
+        if (driver != null)
+        {
+          driver.Quit();
+        }
+      }
+      catch (Exception exc)
+      {
+        lgError(exc, "Eccezione in tryDisconnect");
       }
-      catch
-      { }
       // continuo
       base.stopAdapter(tryRestart, forceDequeue);
     }
@@ -115,23 +120,43 @@ namespace IOB_WIN
       connectionOk = (testPing() == IPStatus.Success);
       if (connectionOk)
       {
-        // preparo opzione headless x firefox
-        var o = new FirefoxOptions();
-        o.AddArgument("-headless");
-        driver = new FirefoxDriver(Environment.CurrentDirectory, o);
-        // aggiungo timeout x JScripts
-        driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(15);
-        driver.Manage().Timeouts().PageLoad = TimeSpan.FromSeconds(15);
-        // imposto pagina di acquisizione
-        driver.Navigate().GoToUrl(baseUri);
+        try
+        {
+          if (driver.SessionId == null)
+          {
+            // preparo opzione headless x firefox
+            var o = new FirefoxOptions();
+            o.AddArgument("-headless");
+            driver = new FirefoxDriver(Environment.CurrentDirectory, o);
+            // aggiungo timeout x JScripts
+            driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(15);
+            driver.Manage().Timeouts().PageLoad = TimeSpan.FromSeconds(15);
+            // imposto pagina di acquisizione
+            driver.Navigate().GoToUrl(baseUri);
+          }
+        }
+        catch (Exception exc)
+        {
+          lgError(exc, "Eccezione in tryConnect");
+        }
       }
     }
 
     public override void tryDisconnect()
     {
       connectionOk = false;
-      // in primis chiudo driver...
-      driver.Quit();
+      try
+      {
+        // in primis chiudo driver...
+        if (driver != null)
+        {
+          driver.Quit();
+        }
+      }
+      catch (Exception exc)
+      {
+        lgError(exc, "Eccezione in tryDisconnect");
+      }
     }