Files
stgsharp/StgSharp.Common/Internal/DefaultLog.cs
T

126 lines
4.3 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="DefaultLog"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Graphics.OpenGL;
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
namespace StgSharp.Internal
{
internal static unsafe partial class DefaultLog
{
private const long MaxLogFileSize = 10 * 1024 * 1024; // 10 MB
private static LogType _currentLogLevel = LogType.Info;
internal static readonly GCHandle ssc_logHandle =
GCHandle.Alloc(new byte[512], GCHandleType.Pinned);
internal static SemaphoreSlim logSyncSemaphore = new(1, 1);
internal static void InternalAppendLog(string log)
{
if (!File.Exists(Native.LogPath))
{
FileStream stream = File.Create(Native.LogPath);
stream.Close();
}
using (StreamWriter logStream = File.AppendText(Native.LogPath)) {
logStream.WriteLine(log);
}
}
internal static void InternalWriteLog(string logLine, LogType logType)
{
if (logType < _currentLogLevel) {
return;
}
logSyncSemaphore.Wait();
try
{
RotateLogFile();
if (!File.Exists(Native.LogPath))
{
FileStream stream = File.Create(Native.LogPath);
stream.Close();
}
using (StreamWriter logStream = File.AppendText(Native.LogPath)) {
logStream.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{logType}] {logLine}");
}
}
finally
{
_ = logSyncSemaphore.Release();
}
}
internal static void InternalWriteLog(string beforeTime, string logLine, LogType logType)
{
logSyncSemaphore.Wait();
if (!File.Exists(Native.LogPath))
{
FileStream stream = File.Create(Native.LogPath);
stream.Close();
}
using (StreamWriter logStream = File.AppendText(Native.LogPath))
{
logStream.WriteLine(beforeTime);
logStream.WriteLine($"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{logType}] {logLine}");
}
_ = logSyncSemaphore.Release(1);
}
internal static void SetLogLevel(LogType logLevel)
{
_currentLogLevel = logLevel;
}
private static void RotateLogFile()
{
if (File.Exists(Native.LogPath) && new FileInfo(Native.LogPath).Length > MaxLogFileSize)
{
string backupFile = Native.LogPath + ".backup";
if (File.Exists(backupFile)) {
File.Delete(backupFile);
}
File.Move(Native.LogPath, backupFile);
}
}
}
}