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DataPRO/DbAPI/Logging/LogManager.cs

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+using DTS.Common.Utilities.Logging;
+using System;
+using System.Diagnostics;
+using System.IO;
+using static DTS.Common.Utilities.Logging.APILogger;
+
+namespace DbAPI.Logging
+{
+    internal class LogManager
+    {
+        public static Sink DBAPILogWriter;
+        private static TextLogger _LogWriter;
+        private static object MyLock = new object();
+        private static int _MinLog = (int)(TraceEventType.Error | TraceEventType.Warning);
+        public enum LogEvents
+        {
+            Message,
+            Connections,
+            Login,
+            Information,
+            DataRecorders,
+            Graphs,
+            CalculatedChannels,
+            Sensors,
+            TestSetups,
+            RegionsOfInterest,
+            Tags
+        }
+        public static void Initialize(int logSize, string path, int minLog)
+        {
+            lock (MyLock)
+            {
+                if (null != _LogWriter) { return; }
+                _MinLog = minLog;
+                _LogWriter = new TextLogger(Path.Combine(path, "DB.log"), OnWriteException, logSize);
+                _LogWriter.ReRollLog = true;
+                _LogWriter.LogStartMessage = GetLogStartMessage();
+                DBAPILogWriter = LogMsg;
+            }
+        }
+        public static void Log(TraceEventType eventType, LogEvents logEvent, string msg)
+        {
+            if ((_MinLog & (int)eventType) != (int)eventType) { return; } //don't log
+            var dt = DateTime.Now;
+            LogMsg($"{dt.Year}-{dt.Month:00}-{dt.Day:00} {dt.Hour:00}:{dt.Minute:00}:{dt.Second:00}.{dt.Millisecond:000} {eventType} - {logEvent} - {msg}");
+        }
+        public static void OnWriteException(Exception ex)
+        {
+            Console.Error.WriteLine(ex.Message);
+        }
+        private static void LogMsg(string msg)
+        {
+            try
+            {
+                _LogWriter.LogMessage(msg);
+            }
+            catch (Exception) { }
+        }
+        private static string GetLogStartMessage()
+        {
+            return string.Format("DB API\r\n" +
+                $"OS:          {Environment.OSVersion}\r\n" +
+                $"MachineName: {Environment.MachineName}\r\n" +
+                $"Environment: {Environment.Version} \r\n\n" +
+                "=====================================\r\n");
+        }
+    }
+}