114 lines
3.3 KiB
C#
114 lines
3.3 KiB
C#
// -----------------------------------------------------------------------------
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// file="DefaultLog"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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// -----------------------------------------------------------------------------
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Threading;
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namespace Nitload.Common.Internal
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{
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internal static unsafe partial class DefaultLog
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{
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private const long MaxLogFileSize = 10 * 1024 * 1024; // 10 MB
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private static LogType _currentLogLevel = LogType.Info;
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internal static readonly GCHandle ssc_logHandle =
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GCHandle.Alloc(new byte[512], GCHandleType.Pinned);
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internal static SemaphoreSlim logSyncSemaphore = new(1, 1);
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internal static void InternalAppendLog(
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string log
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)
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{
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if (!File.Exists(Native.LogPath))
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{
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FileStream stream = File.Create(Native.LogPath);
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stream.Close();
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}
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using (StreamWriter logStream = File.AppendText(Native.LogPath)) {
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logStream.WriteLine(log);
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}
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}
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internal static void InternalWriteLog(
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string logLine,
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LogType logType
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)
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{
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if (logType < _currentLogLevel) {
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return;
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}
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logSyncSemaphore.Wait();
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try
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{
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RotateLogFile();
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if (!File.Exists(Native.LogPath))
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{
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FileStream stream = File.Create(Native.LogPath);
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stream.Close();
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}
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using (StreamWriter logStream = File.AppendText(Native.LogPath)) {
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logStream.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{logType}] {logLine}");
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}
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}
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finally
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{
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_ = logSyncSemaphore.Release();
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}
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}
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internal static void InternalWriteLog(
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string beforeTime,
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string logLine,
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LogType logType
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)
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{
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logSyncSemaphore.Wait();
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if (!File.Exists(Native.LogPath))
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{
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FileStream stream = File.Create(Native.LogPath);
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stream.Close();
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}
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using (StreamWriter logStream = File.AppendText(Native.LogPath))
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{
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logStream.WriteLine(beforeTime);
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logStream.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{logType}] {logLine}");
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}
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_ = logSyncSemaphore.Release(1);
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}
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internal static void SetLogLevel(
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LogType logLevel
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)
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{
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_currentLogLevel = logLevel;
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}
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private static void RotateLogFile()
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{
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if (File.Exists(Native.LogPath) && new FileInfo(Native.LogPath).Length > MaxLogFileSize)
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{
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string backupFile = Native.LogPath + ".backup";
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if (File.Exists(backupFile)) {
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File.Delete(backupFile);
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}
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File.Move(Native.LogPath, backupFile);
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}
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}
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}
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}
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