Delete log files older than one month

v2rayN/v2rayN/Program.cs

@@ -35,6 +35,7 @@ namespace v2rayN
             {
                 Logging.Setup();
                 Utils.SaveLog($"v2rayN start up | {Utils.GetVersion()} | {Utils.GetExePath()}");
+                Logging.ClearLogs();
 
                 //设置语言环境
                 string lang = Utils.RegReadValue(Global.MyRegPath, Global.MyRegKeyLanguage, "zh-Hans");

v2rayN/v2rayN/Tool/Logging.cs

@@ -3,6 +3,9 @@ using log4net.Appender;
 using log4net.Core;
 using log4net.Layout;
 using log4net.Repository.Hierarchy;
+using System;
+using System.IO;
+using System.Threading.Tasks;
 
 namespace v2rayN.Tool
 {
@@ -33,5 +36,31 @@ namespace v2rayN.Tool
             hierarchy.Root.Level = Level.Info;
             hierarchy.Configured = true;
         }
+
+        public static void ClearLogs()
+        {
+            Task.Run(() =>
+            {
+                try
+                {
+                    var now = DateTime.Now.AddMonths(-1);
+                    var dir = Utils.GetPath(@"guiLogs\");
+                    var files = Directory.GetFiles(dir, "*.txt");
+                    foreach (var filePath in files)
+                    {
+                        var file = new FileInfo(filePath);
+                        if (file.CreationTime < now)
+                        {
+                            try
+                            {
+                                file.Delete();
+                            }
+                            catch { }
+                        }
+                    }
+                }
+                catch { }
+            });
+        }
     }
 }