Implement log to file logger (#1494)

* Implement log to file Logger moved to it's own namespace * Add lock to log file
2025-10-14 21:22:49 +00:00 · 2021-03-07 14:23:26 +08:00 · 2021-03-07 14:23:26 +08:00 · 240468ad22
commit 240468ad22
parent 62c985376e
11 changed files with 306 additions and 144 deletions
--- a/MinecraftClient/Logger/FileLogLogger.cs
+++ b/MinecraftClient/Logger/FileLogLogger.cs
@ -0,0 +1,113 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+
+namespace MinecraftClient.Logger
+{
+    public class FileLogLogger : FilteredLogger
+    {
+        private string logFile;
+        private bool prependTimestamp;
+        private object logFileLock = new object();
+
+        public FileLogLogger(string file, bool prependTimestamp = false)
+        {
+            logFile = file;
+            this.prependTimestamp = prependTimestamp;
+            Save("### Log started at " + GetTimestamp() + " ###");
+        }
+
+        private void LogAndSave(string msg)
+        {
+            Log(msg);
+            Save(msg);
+        }
+
+        private void Save(string msg)
+        {
+            try
+            {
+                msg = ChatBot.GetVerbatim(msg);
+                if (prependTimestamp)
+                    msg = GetTimestamp() + ' ' + msg;
+
+                string directory = Path.GetDirectoryName(logFile);
+                if (!String.IsNullOrEmpty(directory) && !Directory.Exists(directory))
+                    Directory.CreateDirectory(directory);
+                lock (logFileLock)
+                {
+                    FileStream stream = new FileStream(logFile, FileMode.OpenOrCreate);
+                    StreamWriter writer = new StreamWriter(stream);
+                    stream.Seek(0, SeekOrigin.End);
+                    writer.WriteLine(msg);
+                    writer.Dispose();
+                    stream.Close();
+                }
+            }
+            catch (Exception e)
+            {
+                // Must use base since we already failed to write log
+                base.Error("Cannot write to log file: " + e.Message);
+                base.Debug("Stack trace: \n" + e.StackTrace);
+            }
+        }
+
+        private static string GetTimestamp()
+        {
+            DateTime time = DateTime.Now;
+            return String.Format("{0}-{1}-{2} {3}:{4}:{5}",
+                time.Year.ToString("0000"),
+                time.Month.ToString("00"),
+                time.Day.ToString("00"),
+                time.Hour.ToString("00"),
+                time.Minute.ToString("00"),
+                time.Second.ToString("00"));
+        }
+
+        public override void Chat(string msg)
+        {
+            if (ChatEnabled)
+            {
+                if (ShouldDisplay(FilterChannel.Chat, msg))
+                {
+                    LogAndSave(msg);
+                }
+                else Debug("[Logger] One Chat message filtered: " + msg);
+            }
+        }
+
+        public override void Debug(string msg)
+        {
+            if (DebugEnabled)
+            {
+                if (ShouldDisplay(FilterChannel.Debug, msg))
+                {
+                    LogAndSave("§8[DEBUG] " + msg);
+                }
+            }
+        }
+
+        public override void Error(string msg)
+        {
+            base.Error(msg);
+            if (ErrorEnabled)
+                Save(msg);
+        }
+
+        public override void Info(string msg)
+        {
+            base.Info(msg);
+            if (InfoEnabled)
+                Save(msg);
+        }
+
+        public override void Warn(string msg)
+        {
+            base.Warn(msg);
+            if (WarnEnabled)
+                Save(msg);
+        }
+    }
+}