Changeset 5593 for branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.Common/3.4/Logger.cs

Timestamp:

03/02/11 15:23:59 (14 years ago)

Author:

cneumuel

Message:

#1233

• changed the way lifecycle methods are called. The new service method TriggerLifecycle checks when the latest cleanup was made and performs one (if necessary). This can also be called by an external program (like a windows task)
• robustified logging

File:

• branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.Common/3.4/Logger.cs (modified) (2 diffs)

branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.Common/3.4/Logger.cs

@@ -1 +1 @@
 using System;
 using System.Diagnostics;
+using System.Security;
+using System.Threading;
 
 namespace HeuristicLab.Services.Hive.Common {
@@ -17 +19 @@
     private EventLog log;
 
+    /// <summary>
+    /// Creating an EventSource requires certain permissions, which by default a IIS AppPool user does not have.
+    /// In this case just ignore security exceptions.
+    /// In order to make this work, the eventsource needs to be created manually
+    /// </summary>
     public Logger(string name, string source) {
-      //if (!EventLog.SourceExists(name)) {
-      //  EventLog.CreateEventSource(source, name);
-      //}
-      //log = new EventLog(name);
-      //log.Source = source;
+      try {
+        if (!EventLog.SourceExists(source)) {
+          EventLog.CreateEventSource(source, name);
+        }
+        log = new EventLog(name);
+        log.Source = source;
+      }
+      catch (SecurityException) { }
     }
 
     public void Log(string message) {
-      //log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Information);
+      try {
+        log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Information);
+      }
+      catch (SecurityException) { }
     }
 
     public void Error(Exception e) {
-      //log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", e.Message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Error);
+      try {
+        log.WriteEntry(string.Format("{0} (AppDomain: {1}, Thread: {2})", e.Message, AppDomain.CurrentDomain.Id, Thread.CurrentThread.ManagedThreadId), EventLogEntryType.Error);
+      }
+      catch (SecurityException) { }
     }
   }