Added file logger and default values for usernames, passwords.

WebsitePanel.Installer/Sources/WebsitePanel.WIXInstaller/Common/WiXLogFileListener.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Text;
+using Microsoft.Deployment.WindowsInstaller;
+
+namespace WebsitePanel.WIXInstaller.Common
+{
+    public class WiXLogFileListener : TraceListener
+    {
+        public const uint FileFlushSize = 4096;
+        public const string DefaultLogFile = "WSPInstallation.log.txt";
+        public static string LogFile { get; private set; }
+        private StringBuilder m_Ctx;
+        static WiXLogFileListener()
+        {
+            LogFile = Path.Combine(Path.GetTempPath() + DefaultLogFile);
+        }
+        public WiXLogFileListener(string LogFileName = DefaultLogFile)
+            : base("WiXLogFileListener")
+        {
+            m_Ctx = new StringBuilder();
+        }
+        ~WiXLogFileListener()
+        {
+            Dispose(false);
+        }
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+            Flush(true);
+        }
+        public override void Write(string Value)
+        {
+            m_Ctx.Append(Value);
+            Flush();
+        }
+        public override void WriteLine(string Value)
+        {
+            m_Ctx.AppendLine(Value);
+            Flush();
+        }
+        private void Flush(bool Force = false)
+        {
+            if(m_Ctx.Length >= FileFlushSize || Force)
+            {
+                using (var FileCtx = new StreamWriter(LogFile, true))
+                {
+                    FileCtx.Write(m_Ctx.ToString());
+                }
+                m_Ctx.Clear();
+            }
+        }
+    }
+}