Initial check-in

MediaBrowser.Common/Logging/BaseLogger.cs

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+using System;
+using System.Diagnostics;
+using System.Text;
+using System.Threading;
+
+namespace MediaBrowser.Common.Logging
+{
+    public abstract class BaseLogger
+    {
+        public LogSeverity LogSeverity { get; set; }
+
+        public void LogInfo(string message, params object[] paramList)
+        {
+            LogEntry(message, LogSeverity.Info, paramList);
+        }
+
+        public void LogDebugInfo(string message, params object[] paramList)
+        {
+            LogEntry(message, LogSeverity.Debug, paramList);
+        }
+
+        public void LogError(string message, params object[] paramList)
+        {
+            LogEntry(message, LogSeverity.Error, paramList);
+        }
+
+        public void LogException(string message, Exception exception, params object[] paramList)
+        {
+            StringBuilder builder = new StringBuilder();
+
+            if (exception != null)
+            {
+                var trace = new StackTrace(exception, true);
+                builder.AppendFormat("Exception.  Type={0} Msg={1} Src={2} Method={5} Line={6} Col={7}{4}StackTrace={4}{3}",
+                    exception.GetType().FullName,
+                    exception.Message,
+                    exception.Source,
+                    exception.StackTrace,
+                    Environment.NewLine,
+                    trace.GetFrame(0).GetMethod().Name,
+                    trace.GetFrame(0).GetFileLineNumber(),
+                    trace.GetFrame(0).GetFileColumnNumber());
+            }
+
+            StackFrame frame = new StackFrame(1);
+
+            message = string.Format(message, paramList);
+
+            LogError(string.Format("{0} ( {1} )", message, builder));
+        }
+
+        public void LogWarning(string message, params object[] paramList)
+        {
+            LogEntry(message, LogSeverity.Warning, paramList);
+        }
+
+        private void LogEntry(string message, LogSeverity severity, params object[] paramList)
+        {
+            if (severity < LogSeverity) return;
+            
+            message = string.Format(message, paramList);
+
+            Thread currentThread = Thread.CurrentThread;
+
+            LogRow row = new LogRow()
+            {
+                Severity = severity,
+                Message = message,
+                Category = string.Empty,
+                ThreadId = currentThread.ManagedThreadId,
+                ThreadName = currentThread.Name,
+                Time = DateTime.Now
+            };
+
+            LogEntry(row);
+        }
+
+        protected abstract void LogEntry(LogRow row);
+    }
+}

MediaBrowser.Common/Logging/FileLogger.cs

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+using System;
+using System.IO;
+using System.Text;
+
+namespace MediaBrowser.Common.Logging
+{
+    public class FileLogger : BaseLogger, IDisposable
+    {
+        private string LogDirectory { get; set; }
+        private string CurrentLogFile { get; set; }
+
+        private FileStream FileStream { get; set; }
+
+        public FileLogger(string logDirectory)
+        {
+            LogDirectory = logDirectory;
+        }
+
+        private void EnsureStream()
+        {
+            if (FileStream == null)
+            {
+                if (!Directory.Exists(LogDirectory))
+                {
+                    Directory.CreateDirectory(LogDirectory);
+                }
+
+                DateTime now = DateTime.Now;
+
+                CurrentLogFile = Path.Combine(LogDirectory, now.ToString("dMyyyy") + "-" + now.Ticks + ".log");
+
+                FileStream = new FileStream(CurrentLogFile, FileMode.Append, FileAccess.Write, FileShare.Read);
+            }
+        }
+
+        protected override void LogEntry(LogRow row)
+        {
+            EnsureStream();
+
+            byte[] bytes = new UTF8Encoding().GetBytes(row.ToString() + Environment.NewLine);
+
+            FileStream.Write(bytes, 0, bytes.Length);
+
+            FileStream.Flush();
+        }
+
+        public void Dispose()
+        {
+            if (FileStream != null)
+            {
+                FileStream.Dispose();
+            }
+        }
+    }
+}

MediaBrowser.Common/Logging/LogRow.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MediaBrowser.Common.Logging
+{
+    public struct LogRow
+    {
+
+        const string TimePattern = "h:mm:ss.fff tt d/M/yyyy";
+
+
+        public LogSeverity Severity { get; set; }
+        public string Message { get; set; }
+        public string Category { get; set; }
+        public int ThreadId { get; set; }
+        public string ThreadName { get; set; }
+        public DateTime Time { get; set; }
+
+        public string ShortMessage
+        {
+            get
+            {
+                var message = Message;
+                if (message.Length > 120)
+                {
+                    message = Message.Substring(0, 120).Replace(Environment.NewLine, " ") + " ... ";
+                }
+                return message;
+            }
+        }
+
+        public string FullDescription
+        {
+            get
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("Time: {0}", Time);
+                sb.AppendLine();
+                sb.AppendFormat("Thread Id: {0} {1}", ThreadId, ThreadName);
+                sb.AppendLine();
+                sb.AppendLine(Message);
+                return sb.ToString();
+            }
+        }
+
+        public override string ToString()
+        {
+            StringBuilder builder = new StringBuilder();
+            builder.Append(Time.ToString(TimePattern))
+                .Append(" , ")
+                .Append(Enum.GetName(typeof(LogSeverity), Severity))
+                .Append(" , ")
+                .Append(Encode(Message))
+                .Append(" , ")
+                .Append(Encode(Category))
+                .Append(" , ")
+                .Append(ThreadId)
+                .Append(" , ")
+                .Append(Encode(ThreadName));
+            return builder.ToString();
+        }
+
+        private string Encode(string str)
+        {
+            return (str ?? "").Replace(",", ",,").Replace(Environment.NewLine, " [n] ");
+        }
+
+        public static LogRow FromString(string message)
+        {
+            var split = splitString(message);
+            return new LogRow()
+            {
+                Time = DateTime.ParseExact(split[0], TimePattern, null),
+                Severity = (LogSeverity)Enum.Parse(typeof(LogSeverity), split[1]),
+                Message = split[2],
+                Category = split[3],
+                ThreadId = int.Parse(split[4]),
+                ThreadName = split[5]
+            };
+        }
+
+        static string[] splitString(string message)
+        {
+            List<string> items = new List<string>();
+            bool gotComma = false;
+
+            StringBuilder currentItem = new StringBuilder();
+
+            foreach (var chr in message)
+            {
+
+                if (chr == ',' && gotComma)
+                {
+                    gotComma = false;
+                    currentItem.Append(',');
+                }
+                else if (chr == ',')
+                {
+                    gotComma = true;
+                }
+                else if (gotComma)
+                {
+                    items.Add(currentItem.ToString().Replace(" [n] ", Environment.NewLine).Trim());
+                    currentItem = new StringBuilder();
+                    gotComma = false;
+                }
+                else
+                {
+                    currentItem.Append(chr);
+                }
+
+            }
+            items.Add(currentItem.ToString().Replace("[n]", Environment.NewLine).Trim());
+            return items.ToArray();
+        }
+    }
+}

MediaBrowser.Common/Logging/LogSeverity.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Common.Logging
+{
+    [Flags]
+    public enum LogSeverity
+    {
+        None = 0,
+        Debug = 1,
+        Info = 2,
+        Warning = 4,
+        Error = 8
+    }
+}

MediaBrowser.Common/Logging/Logger.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Common.Logging
+{
+    public static class Logger
+    {
+        public static BaseLogger LoggerInstance { get; set; }
+
+        public static void LogInfo(string message, params object[] paramList)
+        {
+            LoggerInstance.LogInfo(message, paramList);
+        }
+
+        public static void LogDebugInfo(string message, params object[] paramList)
+        {
+            LoggerInstance.LogDebugInfo(message, paramList);
+        }
+
+        public static void LogError(string message, params object[] paramList)
+        {
+            LoggerInstance.LogError(message, paramList);
+        }
+
+        public static void LogException(string message, Exception ex, params object[] paramList)
+        {
+            LoggerInstance.LogException(message, ex, paramList);
+        }
+
+        public static void LogWarning(string message, params object[] paramList)
+        {
+            LoggerInstance.LogWarning(message, paramList);
+        }
+    }
+}