Fix: Disable HTTP KeepAlive

To improve support for proxy servers which do not support this
optimisation.
See:
http://discoict.com.au/forum/support/2013/2/connection-issues,-lwt,-updates-etc.aspx

Disco.BI/BI/Interop/Community/UpdateCheck.cs

@@ -56,6 +56,15 @@ namespace Disco.BI.Interop.Community
             var DiscoBIVersion = CurrentDiscoVersion();
 
             HttpWebRequest webRequest = (HttpWebRequest)HttpWebRequest.Create(UpdateUrl(db));
+
+            // Added: 2013-02-08 G#
+            // Fix for Proxy Servers which dont support KeepAlive
+            webRequest.KeepAlive = false;
+            // End Added: 2013-02-08 G#
+
+            if (!UseProxy)
+                webRequest.Proxy = new WebProxy();
+            
             webRequest.ContentType = "application/json";
             webRequest.Method = WebRequestMethods.Http.Post;
             webRequest.UserAgent = string.Format("Disco/{0} (Update)", DiscoBIVersion);
@@ -151,6 +160,10 @@ namespace Disco.BI.Interop.Community
                 var DiscoBIVersion = CurrentDiscoVersion();
 
                 HttpWebRequest wReq = (HttpWebRequest)HttpWebRequest.Create("http://broadband.doe.wan/ipsearch/showresult.php");
+                // Added: 2013-02-08 G#
+                // Fix for Proxy Servers which dont support KeepAlive
+                webRequest.KeepAlive = false;
+                // End Added: 2013-02-08 G#
                 if (!useProxy)
                     wReq.Proxy = new WebProxy(); // Empty Proxy Config
                 wReq.Method = WebRequestMethods.Http.Post;

Disco.BI/BI/Interop/Community/UpdateCheckTask.cs

@@ -75,8 +75,9 @@ namespace Disco.BI.Interop.Community
                 {
                     UpdateCheck.Check(db, true, this.Status);
                 }
-                catch (Exception)
+                catch (Exception ex)
                 {
+                    ScheduledTasksLog.LogScheduledTaskException(this.Status.TaskName, this.Status.SessionId, this.Status.TaskType, ex);
                     // Could be proxy error - try again without proxy:
                     UpdateCheck.Check(db, false, this.Status);
                 }

Disco.BI/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.2.0207.1853")]
+[assembly: AssemblyVersion("1.2.0208.1156")]
-[assembly: AssemblyFileVersion("1.2.0207.1853")]
+[assembly: AssemblyFileVersion("1.2.0208.1156")]

Disco.Web/Global.asax.cs

@@ -158,11 +158,18 @@ namespace Disco.Web
             }
             if (!string.IsNullOrWhiteSpace(Address))
             {
-                WebProxy p = new WebProxy(new Uri(string.Format("http://{0}:{1}", Address, Port)));
+                WebProxy p = new WebProxy(Address, Port);
+                p.BypassProxyOnLocal = true;
                 if (!string.IsNullOrWhiteSpace(Username))
                 {
                     p.Credentials = new NetworkCredential(Username, Password);
                 }
+                else
+                {
+                    // Added 2013-02-08 G#
+                    // Improve support for Integrated Windows Authentication
+                    p.UseDefaultCredentials = true;
+                }
                 WebRequest.DefaultWebProxy = p;
             }
             else

Disco.Web/Models/InitialConfig/CompleteModel.cs

@@ -57,6 +57,10 @@ namespace Disco.Web.Models.InitialConfig
                 try
                 {
                     HttpWebRequest wReq = (HttpWebRequest)HttpWebRequest.Create("http://discoict.com.au/");
+                    // Added: 2013-02-08 G#
+                    // Fix for Proxy Servers which dont support KeepAlive
+                    wReq.KeepAlive = false;
+                    // End Added: 2013-02-08 G#
                     wReq.Method = WebRequestMethods.Http.Get;
                     wReq.UserAgent = string.Format("Disco/{0} (Initial Config; Org: {1})", DiscoApplication.Version, DiscoApplication.OrganisationName);
                     using (HttpWebResponse wRes = (HttpWebResponse)wReq.GetResponse())

Disco.Web/Models/InitialConfig/WelcomeModel.cs

@@ -57,6 +57,10 @@ namespace Disco.Web.Models.InitialConfig
             try
             {
                 HttpWebRequest wReq = (HttpWebRequest)HttpWebRequest.Create("http://broadband.doe.wan/ipsearch/showresult.php");
+                // Added: 2013-02-08 G#
+                // Fix for Proxy Servers which dont support KeepAlive
+                wReq.KeepAlive = false;
+                // End Added: 2013-02-08 G#
                 if (!useProxy)
                     wReq.Proxy = new WebProxy(); // Empty Proxy Config
                 wReq.Method = WebRequestMethods.Http.Post;

Disco.Web/Properties/AssemblyInfo.cs

@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 //
 // You can specify all the values or you can default the Revision and Build Numbers 
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("1.2.0207.1727")]
+[assembly: AssemblyVersion("1.2.0208.1156")]
-[assembly: AssemblyFileVersion("1.2.0207.1727")]
+[assembly: AssemblyFileVersion("1.2.0208.1156")]