bzr commit into wex-installer-1.0 branch (reggie.burnett:203)

[Reggie Burnett]

#At file:///C:/work/wex/installer/ based on revid:[e-mail]-20100920205009-qsrdtlu6is23n3z5

  203 Reggie Burnett	2010-09-22
      lays the groundwork for our new logging system and gives an example of how to use it internally and how a user would attach to the stream with app.config

    added:
      WexInstaller/Core/Logger.cs
      WexInstaller/Core/LoggerListener.cs
    modified:
      WexInstaller/Core/ProductManager.cs
      WexInstaller/Program.cs
      WexInstaller/WexInstaller.csproj
      WexInstaller/app.config
=== added file 'WexInstaller/Core/Logger.cs'
=== added file 'WexInstaller/Core/Logger.cs'
--- a/WexInstaller/Core/Logger.cs	1970-01-01 00:00:00 +0000
+++ b/WexInstaller/Core/Logger.cs	2010-09-22 22:25:30 +0000
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Diagnostics;
+
+namespace WexInstaller.Core
+{
+    public class Logger 
+    {
+        private static TraceSource source = new TraceSource("mysql-universal-installer");
+        private static LoggerListener listener;
+
+        static Logger()
+        {
+            listener = new LoggerListener();
+            source.Listeners.Add(listener);
+        }
+
+        public static void LogInformation(string message)
+        {
+            source.TraceInformation(message);
+            source.Flush();
+        }
+
+        public static void LogException(Exception ex)
+        {
+            //source.TraceEvent(TraceEventType.
+        }
+    }
+}

=== added file 'WexInstaller/Core/LoggerListener.cs'
--- a/WexInstaller/Core/LoggerListener.cs	1970-01-01 00:00:00 +0000
+++ b/WexInstaller/Core/LoggerListener.cs	2010-09-22 22:25:30 +0000
@@ -0,0 +1,64 @@
+using System.Text;
+using System.IO;
+using System.Diagnostics;
+
+namespace WexInstaller.Core
+{
+    class LoggerListener : TraceListener
+    {
+        private TextWriterTraceListener textFile;
+        private List<string> buffer = new List<string>();
+
+        public override void Write(string message)
+        {
+            CheckTextFile();
+            if (textFile != null)
+            {
+                textFile.Write(message);
+                textFile.Flush();
+            }
+            else
+                buffer.Add(message);

+        }
+
+        public override void WriteLine(string message)
+        {
+            Write(message + Environment.NewLine);
+        }
+
+        private void CheckTextFile()
+        {
+            if (textFile != null || 
+                String.IsNullOrEmpty(InstallerConfiguration.HomeDir)) return;
+
+            string logPath = InstallerConfiguration.HomeDir + "\\Logs";
+            if (!Directory.Exists(logPath))
+                Directory.CreateDirectory(logPath);
+
+            string logFile = String.Format("{0}\\installer.log", logPath);
+            if (File.Exists(logFile))
+                BackupLogFile(logPath, logFile);
+            textFile = new TextWriterTraceListener(logFile);
+            foreach (string msg in buffer)
+                textFile.Write(msg);
+            buffer.Clear();
+        }
+
+        private void BackupLogFile(string logPath, string logFile)
+        {
+            int i = 0;
+            while (true)
+            {
+                string backupFile = String.Format("{0}\\installer_log.{1}", logPath, i);
+                if (!File.Exists(backupFile))
+                {
+                    File.Move(logFile, backupFile);
+                    break;
+                }
+                i++;
+            }
+        }
+    }
+}

=== modified file 'WexInstaller/Core/ProductManager.cs'
--- a/WexInstaller/Core/ProductManager.cs	2010-09-15 21:17:03 +0000
+++ b/WexInstaller/Core/ProductManager.cs	2010-09-22 22:25:30 +0000
@@ -48,6 +48,8 @@
 
         public static void Load()
         {
+            Logger.LogInformation("ProductManager.Load starting");
+
             if (File.Exists(InstallerConfiguration.TempManifest))
                 File.Delete(InstallerConfiguration.TempManifest);
 

=== modified file 'WexInstaller/Program.cs'
--- a/WexInstaller/Program.cs	2010-08-18 22:27:39 +0000
+++ b/WexInstaller/Program.cs	2010-09-22 22:25:30 +0000
@@ -16,6 +16,8 @@
         [STAThread]
         static void Main()
         {
+            Logger.LogInformation("Installer starting up.");
+
             InstallerConfiguration.Load();
 
             Application.EnableVisualStyles();
@@ -26,6 +28,7 @@
             Application.Run(new MainForm());
 
             InstallerConfiguration.Save();
+            Logger.LogInformation("Installer exit");
         }
 
 /*        static bool ProcessCommandLineArguments()

=== modified file 'WexInstaller/WexInstaller.csproj'
--- a/WexInstaller/WexInstaller.csproj	2010-09-15 17:29:29 +0000
+++ b/WexInstaller/WexInstaller.csproj	2010-09-22 22:25:30 +0000
@@ -109,6 +109,8 @@
       <DependentUpon>ResourcesPage.cs</DependentUpon>
     </Compile>
     <Compile Include="Core\Installer.cs" />
+    <Compile Include="Core\Logger.cs" />
+    <Compile Include="Core\LoggerListener.cs" />
     <Compile Include="Core\MsiInterop.cs" />
     <Compile Include="Core\MysqlSCM.cs">
       <SubType>Component</SubType>

=== modified file 'WexInstaller/app.config'
--- a/WexInstaller/app.config	2010-09-17 16:38:02 +0000
+++ b/WexInstaller/app.config	2010-09-22 22:25:30 +0000
@@ -1,3 +1,24 @@
 <?xml version="1.0"?>
 <configuration>
-<startup><supportedRuntime version="v2.0.50727"/></startup></configuration>
+<startup><supportedRuntime version="v2.0.50727"/></startup>
+
+  <system.diagnostics>
+    <sources>
+      <source name="mysql-universal-installer"
+              switchName="sourceSwitch" 
+              switchType="System.Diagnostics.SourceSwitch">
+        <listeners>
+          <add name="text"
+            type="System.Diagnostics.TextWriterTraceListener" 
+               initializeData="c:\users\reggie\desktop\Data.log" 
+               traceOutputOptions="DateTime">
+          </add>
+        </listeners>
+      </source>
+    </sources>
+    <switches>
+      <add name="sourceSwitch" value="All"/>
+    </switches>
+  </system.diagnostics>
+
+</configuration>

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