55 lines
1.7 KiB
C#
55 lines
1.7 KiB
C#
using System.Text;
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namespace WpywMail.Native;
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/// <summary>极简日志：控制台 + 文件（超过阈值自动滚动一次）。</summary>
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public static class AppLog
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{
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private const long MaxBytes = 20 * 1024 * 1024;
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private static readonly object Gate = new();
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private static string path = "";
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private static bool consoleEnabled = true;
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public static void Configure(AppConfig config, bool enableConsole = true)
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{
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Directory.CreateDirectory(config.DataDirectory);
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path = Path.Combine(config.DataDirectory, "service.log");
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consoleEnabled = enableConsole;
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Roll();
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Info($"日志系统已启动（版本 {BuildInfo.Version}）。");
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}
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public static void Info(string message) => Write("信息", message);
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public static void Warn(string message) => Write("警告", message);
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public static void Error(string message) => Write("错误", message);
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private static void Write(string level, string message)
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{
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var line = $"{DateTimeOffset.Now:yyyy-MM-dd HH:mm:ss zzz} [{level}] {message}";
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if (consoleEnabled)
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{
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try { Console.WriteLine(line); } catch { }
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}
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if (string.IsNullOrWhiteSpace(path)) return;
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try
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{
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lock (Gate) File.AppendAllText(path, line + Environment.NewLine, new UTF8Encoding(false));
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}
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catch { }
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}
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private static void Roll()
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{
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try
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{
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if (!File.Exists(path)) return;
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var info = new FileInfo(path);
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if (info.Length < MaxBytes) return;
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var backup = path + ".1";
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if (File.Exists(backup)) File.Delete(backup);
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File.Move(path, backup);
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}
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catch { }
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}
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}
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