Make load monitoring log level configurable

This introduces a new optional configuration parameter called
"LogLevelMonitoring" to adjust the log level of those messages related
to the load monitoring of the service.

Fixes #50

ATxCommon/Serializables/ServiceConfig.cs

@@ -78,6 +78,11 @@ namespace ATxCommon.Serializables
         /// </summary>
         public string LogLevel { get; set; } = "Info";
 
+        /// <summary>
+        /// Log level to use for performance monitoring messages. Default: "Trace"
+        /// </summary>
+        public string LogLevelMonitoring { get; set; } = "Trace";
+
         /// <summary>
         /// Enable debug messages from the RoboSharp library. Default: false.
         /// </summary>
@@ -255,6 +260,28 @@ namespace ATxCommon.Serializables
         [XmlIgnore]
         public string ErrorPath => Path.Combine(ManagedPath, "ERROR");
 
+        /// <summary>
+        /// The LogLevel to be used for performance monitoring messages.
+        /// </summary>
+        [XmlIgnore]
+        public LogLevel MonitoringLogLevel {
+            get {
+                switch (LogLevelMonitoring) {
+                    case "Warn":
+                        return global::NLog.LogLevel.Warn;
+                    case "Info":
+                        return global::NLog.LogLevel.Info;
+                    case "Debug":
+                        return global::NLog.LogLevel.Debug;
+                    case "Trace":
+                        return global::NLog.LogLevel.Trace;
+                    default:
+                        return global::NLog.LogLevel.Info;
+                }
+            }
+        }
+
+
         #endregion
 
 
@@ -470,6 +497,7 @@ namespace ATxCommon.Serializables
                 "\n" +
                 "############### OPTIONAL PARAMETERS ###############\n" +
                 $"LogLevel: {LogLevel}\n" +
+                $"LogLevelMonitoring: {LogLevelMonitoring}\n" +
                 $"ServiceTimer: {ServiceTimer} ms\n" +
                 $"MarkerFile: {MarkerFile}\n" +
                 $"GracePeriod: {GracePeriod} days (" +

ATxCommon/Serializables/ServiceStatus.cs

@@ -317,9 +317,11 @@ namespace ATxCommon.Serializables
             Serialize();
 
             if (suspended) {
-                Log.Trace("Service suspended. Reason(s): [{0}]", description);
+                Log.Log(_config.MonitoringLogLevel,
+                    "Service suspended. Reason(s): [{0}]", description);
             } else {
-                Log.Trace("Service resuming operation ({0}).", description);
+                Log.Log(_config.MonitoringLogLevel,
+                    "Service resuming operation ({0}).", description);
             }
         }
         

Resources/conf/config.common.xml

@@ -33,6 +33,9 @@
     <!-- LogLevel: one of "Warn", "Info", "Debug", "Trace" -->
     <LogLevel>Debug</LogLevel>
 
+    <!-- LogLevelMonitoring: load monitoring log level, default "Trace". -->
+    <LogLevelMonitoring>Trace</LogLevelMonitoring>
+
     <!-- DebugRoboSharp: enable debug messages from the RoboSharp library. -->
     <DebugRoboSharp>true</DebugRoboSharp>