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EonaCat
2022-09-19 09:07:51 +02:00
parent 12150155da
commit 7783dc07e1
19 changed files with 1318 additions and 1 deletions
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25
EonaCat.Logger.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.3.32811.315
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EonaCat.Logger", "EonaCat.Logger\EonaCat.Logger.csproj", "{DCD1D32E-0F24-4D0F-A6B6-59941C0F9BB7}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{DCD1D32E-0F24-4D0F-A6B6-59941C0F9BB7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{DCD1D32E-0F24-4D0F-A6B6-59941C0F9BB7}.Debug|Any CPU.Build.0 = Debug|Any CPU
{DCD1D32E-0F24-4D0F-A6B6-59941C0F9BB7}.Release|Any CPU.ActiveCfg = Release|Any CPU
{DCD1D32E-0F24-4D0F-A6B6-59941C0F9BB7}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {B01183F3-D85E-45FB-9749-DA281F465A0F}
EndGlobalSection
EndGlobal

13
EonaCat.Logger/Constants.cs Normal file
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namespace EonaCat.Logger
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public static class Constants
{
public static class DateTimeFormats
{
public static string LOGGING { get; } = "yyyy-MM-dd HH:mm:ss";
}
}
}

26
EonaCat.Logger/DllInfo.cs Normal file
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namespace EonaCat.Logger.Helpers
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public static class DllInfo
{
public const string NAME = "EonaCatLogger";
public const string VERSION = "1.0.0";
static DllInfo()
{
bool isDebug = false;
#if DEBUG
isDebug = true;
#endif
VERSION_NAME = isDebug ? "DEBUG" : "RELEASE";
}
internal static string VERSION_NAME { get; }
public static string ApplicationName { get; internal set; } = "EonaCatLogger";
public static ELogType LogLevel { get; internal set; } = ELogType.INFO;
}
}

17
EonaCat.Logger/Enums.cs Normal file
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namespace EonaCat.Logger
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public enum ELogType
{
NONE = 0,
INFO = 1,
WARNING = 2,
ERROR = 3,
TRAFFIC = 4,
DEBUG = 5,
CRITICAL = 6,
TRACE = 7
}
}

64
EonaCat.Logger/EonaCat.Logger.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>
netstandard2.0;
netstandard2.1;
net5.0;
net6.0;
</TargetFrameworks>
<ApplicationIcon>icon.ico</ApplicationIcon>
<Version>1.0.0</Version>
<Authors>EonaCat (Jeroen Saey)</Authors>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Company>EonaCat (Jeroen Saey)</Company>
<PackageIcon>icon.png</PackageIcon>
<PackageProjectUrl>https://www.nuget.org/packages/EonaCat.Logger/</PackageProjectUrl>
<Description>EonaCat.Logger is a logging library created for .NET Standard.</Description>
<PackageReleaseNotes>Public release version</PackageReleaseNotes>
<Copyright>EonaCat (Jeroen Saey)</Copyright>
<PackageTags>EonaCat, Logger, .NET Standard, EonaCatLogger, Log, Writer Jeroen, Saey</PackageTags>
<PackageIconUrl />
<PackageReadmeFile>README.md</PackageReadmeFile>
<GenerateDocumentationFile>True</GenerateDocumentationFile>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<PackageRequireLicenseAcceptance>True</PackageRequireLicenseAcceptance>
</PropertyGroup>
<ItemGroup>
<None Remove="icon.png" />
<None Include="..\LICENSE">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="..\README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Include="icon.png">
<Pack>True</Pack>
<PackagePath></PackagePath>
</None>
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="6.0.0" />
<PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
</ItemGroup>
<ItemGroup>
<None Update="LICENSE.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Update="LICENSE.x">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
<None Update="README.md">
<Pack>True</Pack>
<PackagePath>\</PackagePath>
</None>
</ItemGroup>
</Project>

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EonaCat.Logger/EonaCatCoreLogger/Extensions/FileLoggerFactoryExtensions.cs Normal file
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using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
namespace EonaCat.Logger.Extensions
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
/// <summary>
/// Extensions for adding the <see cref="FileLoggerProvider" /> to the <see cref="ILoggingBuilder" />
/// </summary>
public static class FileLoggerFactoryExtensions
{
/// <summary>
/// Adds a file logger named 'File' to the factory.
/// </summary>
/// <param name="builder">The <see cref="ILoggingBuilder"/> to use.</param>
public static ILoggingBuilder AddFile(this ILoggingBuilder builder)
{
builder.Services.AddSingleton<ILoggerProvider, FileLoggerProvider>();
return builder;
}
/// <summary>
/// Adds a file logger named 'File' to the factory.
/// </summary>
/// <param name="builder">The <see cref="ILoggingBuilder"/> to use.</param>
/// <param name="filenamePrefix">Sets the filename prefix to use for log files</param>
public static ILoggingBuilder AddFile(this ILoggingBuilder builder, string filenamePrefix)
{
builder.AddFile(options => options.FileNamePrefix = filenamePrefix);
return builder;
}
/// <summary>
/// Adds a file logger named 'File' to the factory.
/// </summary>
/// <param name="builder">The <see cref="ILoggingBuilder"/> to use.</param>
/// <param name="configure">Configure an instance of the <see cref="FileLoggerOptions" /> to set logging options</param>
public static ILoggingBuilder AddFile(this ILoggingBuilder builder, Action<FileLoggerOptions> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
builder.AddFile();
builder.Services.Configure(configure);
return builder;
}
}
}

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EonaCat.Logger/EonaCatCoreLogger/FileLoggerOptions.cs Normal file
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using EonaCat.Logger.Internal;
using System;
using System.IO;
namespace EonaCat.Logger
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
/// <summary>
/// Options for file logging.
/// </summary>
public class FileLoggerOptions : BatchingLoggerOptions
{
private int _fileSizeLimit = 200 * 1024 * 1024;
private int _retainedFileCountLimit = 50;
private int _maxRolloverFiles = 10;
public static string DefaultPath => AppDomain.CurrentDomain.RelativeSearchPath ?? AppDomain.CurrentDomain.BaseDirectory;
/// <summary>
/// Gets or sets a strictly positive value representing the maximum log size in bytes or null for no limit.
/// Once the log is full, no more messages will be appended.
/// Defaults to <c>200MB</c>.
/// </summary>
public int FileSizeLimit
{
get => _fileSizeLimit;
set
{
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value), $"{nameof(FileSizeLimit)} must be positive.");
}
_fileSizeLimit = value;
}
}
/// <summary>
/// Gets or sets a strictly positive value representing the maximum retained file count or null for no limit.
/// Defaults to <c>50</c>.
/// </summary>
public int RetainedFileCountLimit
{
get => _retainedFileCountLimit;
set
{
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value), $"{nameof(RetainedFileCountLimit)} must be positive.");
}
_retainedFileCountLimit = value;
}
}
/// <summary>
/// Gets or sets a strictly positive value representing the maximum retained file rollovers or null for no limit.
/// Defaults to <c>10</c>.
/// </summary>
public int MaxRolloverFiles
{
get => _maxRolloverFiles;
set
{
if (value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(value), $"{nameof(MaxRolloverFiles)} must be positive.");
}
_maxRolloverFiles = value;
}
}
/// <summary>
/// Gets or sets the filename prefix to use for log files.
/// Defaults to <c>EonaCat_</c>.
/// </summary>
public string FileNamePrefix { get; set; } = "EonaCat";
/// <summary>
/// The directory in which log files will be written, relative to the app process.
/// Default to <c>executablePath\logs</c>
/// </summary>
/// <returns></returns>
public string LogDirectory { get; set; } = Path.Combine(DefaultPath, "logs");
}
}

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EonaCat.Logger/EonaCatCoreLogger/FileLoggerProvider.cs Normal file
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using EonaCat.Logger.Internal;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace EonaCat.Logger
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
/// <summary>
/// An <see cref="ILoggerProvider" /> that writes logs to a file
/// </summary>
[ProviderAlias("File")]
public class FileLoggerProvider : BatchingLoggerProvider
{
private readonly string _path;
private readonly string _fileNamePrefix;
private readonly int _maxFileSize;
private readonly int _maxRetainedFiles;
private readonly int _maxRolloverFiles;
private int _rollOverCount = 0;
public string LogFile { get; private set; }
/// <summary>
/// Creates an instance of the <see cref="FileLoggerProvider" />
/// </summary>
/// <param name="options">The options object controlling the logger</param>
public FileLoggerProvider(IOptions<FileLoggerOptions> options) : base(options)
{
FileLoggerOptions loggerOptions = options.Value;
_path = loggerOptions.LogDirectory;
_fileNamePrefix = loggerOptions.FileNamePrefix;
_maxFileSize = loggerOptions.FileSizeLimit;
_maxRetainedFiles = loggerOptions.RetainedFileCountLimit;
_maxRolloverFiles = loggerOptions.MaxRolloverFiles;
}
/// <inheritdoc />
protected override async Task WriteMessagesAsync(IEnumerable<LogMessage> messages, CancellationToken cancellationToken)
{
Directory.CreateDirectory(_path);
foreach (IGrouping<(int Year, int Month, int Day), LogMessage> group in messages.GroupBy(GetGrouping))
{
LogFile = GetFullName(group.Key);
FileInfo fileInfo = new FileInfo(LogFile);
if (_maxFileSize > 0 && fileInfo.Exists && fileInfo.Length > _maxFileSize)
{
if (_maxRolloverFiles > 0 && _rollOverCount >= 0)
{
if (_rollOverCount < _maxRolloverFiles)
{
fileInfo.CopyTo(LogFile.Replace(".log", $"_{++_rollOverCount}.log"));
File.WriteAllText(LogFile, string.Empty);
}
else
{
bool areFilesDeleted = false;
for (int i = 0; i < _rollOverCount; i++)
{
File.Delete(LogFile.Replace(".log", $"_{i}.log"));
areFilesDeleted = true;
}
if (areFilesDeleted)
{
File.Move(LogFile.Replace(".log", $"_{_rollOverCount}.log"), LogFile.Replace(".log", $"_1.log"));
_rollOverCount = 0;
}
}
}
}
using (StreamWriter streamWriter = File.AppendText(LogFile))
{
foreach (LogMessage item in group)
{
await streamWriter.WriteAsync(item.Message);
}
}
}
DeleteOldLogFiles();
}
private string GetFullName((int Year, int Month, int Day) group)
{
bool hasPrefix = !string.IsNullOrWhiteSpace(_fileNamePrefix);
if (hasPrefix)
{
return Path.Combine(_path, $"{_fileNamePrefix}_{group.Year:0000}{group.Month:00}{group.Day:00}.log");
}
else
{
return Path.Combine(_path, $"{group.Year:0000}{group.Month:00}{group.Day:00}.log");
}
}
private (int Year, int Month, int Day) GetGrouping(LogMessage message)
{
return (message.Timestamp.Year, message.Timestamp.Month, message.Timestamp.Day);
}
/// <summary>
/// Deletes old log files, keeping a number of files defined by <see cref="FileLoggerOptions.RetainedFileCountLimit" />
/// </summary>
protected void DeleteOldLogFiles()
{
if (_maxRetainedFiles > 0)
{
bool hasPrefix = !string.IsNullOrWhiteSpace(_fileNamePrefix);
IEnumerable<FileInfo> files = null;
if (hasPrefix)
{
files = new DirectoryInfo(_path).GetFiles(_fileNamePrefix + "*");
}
else
{
files = new DirectoryInfo(_path).GetFiles("*");
}
files = files.OrderByDescending(file => file.Name).Skip(_maxRetainedFiles);
foreach (FileInfo item in files)
{
item.Delete();
}
}
}
}
}

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EonaCat.Logger/EonaCatCoreLogger/Internal/BatchingLogger.cs Normal file
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using Microsoft.Extensions.Logging;
using System;
using System.Text;
namespace EonaCat.Logger.Internal
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class BatchingLogger : ILogger
{
private readonly BatchingLoggerProvider _provider;
private readonly string _category;
public BatchingLogger(BatchingLoggerProvider loggerProvider, string categoryName)
{
_provider = loggerProvider;
_category = categoryName;
}
public IDisposable BeginScope<TState>(TState state)
{
return null;
}
public bool IsEnabled(LogLevel logLevel)
{
if (logLevel == LogLevel.None)
{
return false;
}
return true;
}
public void Log<TState>(DateTimeOffset timestamp, LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
{
if (!IsEnabled(logLevel))
{
return;
}
StringBuilder builder = new StringBuilder();
builder.Append(timestamp.ToString("yyyy-MM-dd HH:mm:ss.fff zzz"));
builder.Append(" [");
builder.Append(logLevel.ToString());
builder.Append("] ");
builder.Append(_category);
builder.Append(": ");
builder.AppendLine(formatter(state, exception));
if (exception != null)
{
builder.AppendLine(exception.ToString());
}
_provider.AddMessage(timestamp, builder.ToString());
}
public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
{
Log(DateTimeOffset.Now, logLevel, eventId, state, exception, formatter);
}
}
}

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EonaCat.Logger/EonaCatCoreLogger/Internal/BatchingLoggerOptions.cs Normal file
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using System;
namespace EonaCat.Logger.Internal
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class BatchingLoggerOptions
{
private int _batchSize = 32;
private int _backgroundQueueSize;
private TimeSpan _flushPeriod = TimeSpan.FromSeconds(1);
/// <summary>
/// Gets or sets the period after which logs will be flushed to the store.
/// </summary>
public TimeSpan FlushPeriod
{
get => _flushPeriod;
set
{
if (value <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException(nameof(value), $"{nameof(FlushPeriod)} must be positive.");
}
_flushPeriod = value;
}
}
/// <summary>
/// Gets or sets the maximum size of the background log message queue or less than 1 for no limit.
/// After maximum queue size is reached log event sink would start blocking.
/// Defaults to <c>0</c>.
/// </summary>
public int BackgroundQueueSize
{
get => _backgroundQueueSize;
set
{
_backgroundQueueSize = value;
}
}
/// <summary>
/// Gets or sets a maximum number of events to include in a single batch or less than 1 for no limit.
/// </summary>
public int BatchSize
{
get => _batchSize;
set
{
_batchSize = value;
}
}
/// <summary>
/// Gets or sets value indicating if logger accepts and queues writes.
/// </summary>
public bool IsEnabled { get; set; }
}
}

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EonaCat.Logger/EonaCatCoreLogger/Internal/BatchingLoggerProvider.cs Normal file
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using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
namespace EonaCat.Logger.Internal
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public abstract class BatchingLoggerProvider : ILoggerProvider
{
private readonly List<LogMessage> _currentBatch = new List<LogMessage>();
private readonly TimeSpan _interval;
private readonly int _queueSize;
private readonly int _batchSize;
private BlockingCollection<LogMessage> _messageQueue;
private Task _outputTask;
private CancellationTokenSource _cancellationTokenSource;
protected BatchingLoggerProvider(IOptions<BatchingLoggerOptions> options)
{
BatchingLoggerOptions loggerOptions = options.Value;
if (loggerOptions.BatchSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(loggerOptions.BatchSize), $"{nameof(loggerOptions.BatchSize)} must be a positive number.");
}
if (loggerOptions.FlushPeriod <= TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException(nameof(loggerOptions.FlushPeriod), $"{nameof(loggerOptions.FlushPeriod)} must be longer than zero.");
}
_interval = loggerOptions.FlushPeriod;
_batchSize = loggerOptions.BatchSize;
_queueSize = loggerOptions.BackgroundQueueSize;
Start();
}
protected abstract Task WriteMessagesAsync(IEnumerable<LogMessage> messages, CancellationToken token);
private async Task ProcessLogQueue(object state)
{
while (!_cancellationTokenSource.IsCancellationRequested)
{
int limit = _batchSize <= 0 ? int.MaxValue : _batchSize;
while (limit > 0 && _messageQueue.TryTake(out LogMessage message))
{
_currentBatch.Add(message);
limit--;
}
if (_currentBatch.Count > 0)
{
try
{
await WriteMessagesAsync(_currentBatch, _cancellationTokenSource.Token);
}
catch
{
// ignored
}
_currentBatch.Clear();
}
await IntervalAsync(_interval, _cancellationTokenSource.Token);
}
}
protected virtual Task IntervalAsync(TimeSpan interval, CancellationToken cancellationToken)
{
return Task.Delay(interval, cancellationToken);
}
internal void AddMessage(DateTimeOffset timestamp, string message)
{
if (!_messageQueue.IsAddingCompleted)
{
try
{
_messageQueue.Add(new LogMessage { Message = message, Timestamp = timestamp }, _cancellationTokenSource.Token);
}
catch
{
//cancellation token canceled or CompleteAdding called
}
}
}
private void Start()
{
_messageQueue = _queueSize == 0 ?
new BlockingCollection<LogMessage>(new ConcurrentQueue<LogMessage>()) :
new BlockingCollection<LogMessage>(new ConcurrentQueue<LogMessage>(), _queueSize);
_cancellationTokenSource = new CancellationTokenSource();
_outputTask = Task.Factory.StartNew(
ProcessLogQueue,
null,
TaskCreationOptions.LongRunning);
}
private void Stop()
{
_cancellationTokenSource.Cancel();
_messageQueue.CompleteAdding();
try
{
_outputTask.Wait(_interval);
}
catch (TaskCanceledException)
{
}
catch (AggregateException exception) when (exception.InnerExceptions.Count == 1 && exception.InnerExceptions[0] is TaskCanceledException)
{
}
}
public void Dispose()
{
Stop();
}
public ILogger CreateLogger(string categoryName)
{
return new BatchingLogger(this, categoryName);
}
}
}

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EonaCat.Logger/EonaCatCoreLogger/Internal/LogMessage.cs Normal file
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using System;
namespace EonaCat.Logger.Internal
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public struct LogMessage
{
public DateTimeOffset Timestamp { get; set; }
public string Message { get; set; }
}
}

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EonaCat.Logger/EonaCatCoreLogger/Models/EonaCatLogMessage.cs Normal file
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using EonaCat.Logger;
using EonaCat.Logger.Helpers;
using System;
namespace EonaCatLogger.EonaCatCoreLogger.Models
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class EonaCatLogMessage
{
public DateTime DateTime { get; internal set; }
public string Message { get; internal set; }
public ELogType LogType { get; internal set; }
public override string ToString()
{
return $"[{EnumHelper<ELogType>.ToString(LogType)}] [{DateTime.ToString(Constants.DateTimeFormats.LOGGING)}] {Message}";
}
}
}

261
EonaCat.Logger/Extensions/OffsetStream.cs Normal file
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using System;
using System.IO;
namespace EonaCat.Extensions
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class OffsetStream : Stream
{
private const int BUFFERSIZE = 4096;
public OffsetStream(Stream stream, long offset = 0, long length = 0, bool readOnly = false, bool ownStream = false)
{
if (stream.CanSeek)
{
if (offset > stream.Length)
{
throw new EndOfStreamException();
}
BaseStreamOffset = offset;
if (length > stream.Length - offset)
{
throw new EndOfStreamException();
}
if (length == 0)
{
Length1 = stream.Length - offset;
}
else
{
Length1 = length;
}
}
else
{
BaseStreamOffset = 0;
Length1 = length;
}
BaseStream = stream;
ReadOnly = readOnly;
OwnStream = ownStream;
}
protected override void Dispose(bool disposing)
{
if (Disposed)
{
return;
}
if (disposing)
{
if (OwnStream & (BaseStream != null))
{
BaseStream.Dispose();
}
}
Disposed = true;
base.Dispose(disposing);
}
public override bool CanRead => BaseStream.CanRead;
public override bool CanSeek => BaseStream.CanSeek;
public override bool CanWrite => BaseStream.CanWrite && !ReadOnly;
public override long Length => Length1;
public override long Position
{
get => Position1;
set
{
if (value > Length1)
{
throw new EndOfStreamException();
}
if (!BaseStream.CanSeek)
{
throw new NotSupportedException("Cannot seek stream.");
}
Position1 = value;
}
}
public override void Flush()
{
if (ReadOnly)
{
throw new IOException("OffsetStream is read only.");
}
BaseStream.Flush();
}
public override int Read(byte[] buffer, int offset, int count)
{
if (count < 1)
{
throw new ArgumentOutOfRangeException("Count cannot be less than 1.");
}
if (Position1 >= Length1)
{
return 0;
}
if (count > Length1 - Position1)
{
count = Convert.ToInt32(Length1 - Position1);
}
if (BaseStream.CanSeek)
{
BaseStream.Position = BaseStreamOffset + Position1;
}
int bytesRead = BaseStream.Read(buffer, offset, count);
Position1 += bytesRead;
return bytesRead;
}
public override long Seek(long offset, SeekOrigin origin)
{
if (!BaseStream.CanSeek)
{
throw new IOException("Stream is not seekable.");
}
long pos;
switch (origin)
{
case SeekOrigin.Begin:
pos = offset;
break;
case SeekOrigin.Current:
pos = Position1 + offset;
break;
case SeekOrigin.End:
pos = Length1 + offset;
break;
default:
pos = 0;
break;
}
if (pos < 0 || pos >= Length1)
{
throw new EndOfStreamException("OffsetStream reached begining/end of stream.");
}
Position1 = pos;
return pos;
}
public override void SetLength(long value)
{
if (ReadOnly)
{
throw new IOException("OffsetStream is read only.");
}
BaseStream.SetLength(BaseStreamOffset + value);
Length1 = value;
}
public override void Write(byte[] buffer, int offset, int count)
{
if (ReadOnly)
{
throw new IOException("OffsetStream is read only.");
}
if (count < 1)
{
return;
}
long pos = Position1 + count;
if (pos > Length1)
{
throw new EndOfStreamException("OffsetStream reached end of stream.");
}
if (BaseStream.CanSeek)
{
BaseStream.Position = BaseStreamOffset + Position1;
}
BaseStream.Write(buffer, offset, count);
Position1 = pos;
}
public long BaseStreamOffset { get; private set; }
public Stream BaseStream { get; }
public long Length1 { get; set; }
public long Position1 { get; set; }
public bool ReadOnly { get; }
public bool Disposed { get; set; }
public bool OwnStream { get; }
public void Reset(long offset, long length, long position)
{
BaseStreamOffset = offset;
Length1 = length;
Position1 = position;
}
public void WriteTo(Stream stream)
{
WriteTo(stream, BUFFERSIZE);
}
public void WriteTo(Stream stream, int bufferSize)
{
if (!BaseStream.CanSeek)
{
throw new IOException("Stream is not seekable.");
}
if (Length1 < bufferSize)
{
bufferSize = Convert.ToInt32(Length1);
}
long previousPosition = Position1;
Position1 = 0;
try
{
CopyTo(stream, bufferSize);
}
finally
{
Position1 = previousPosition;
}
}
}
}

53
EonaCat.Logger/Helpers/EnumHelper.cs Normal file
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using System;
using System.Collections.Generic;
namespace EonaCat.Logger.Helpers
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
internal static class EnumHelper<T>
where T : struct
{
static EnumHelper()
{
string[] names = Enum.GetNames(typeof(T));
T[] values = (T[])Enum.GetValues(typeof(T));
Names = new Dictionary<T, string>(names.Length);
Values = new Dictionary<string, T>(names.Length * 2);
for (int i = 0; i < names.Length; i++)
{
Names[values[i]] = names[i];
Values[names[i]] = values[i];
Values[names[i].ToLower()] = values[i];
}
}
public static Dictionary<T, string> Names { get; }
public static Dictionary<string, T> Values { get; private set; }
public static string ToString(T value)
{
return Names.TryGetValue(value, out string result) ? result : Convert.ToInt64(value).ToString();
}
public static bool TryParse(string input, bool ignoreCase, out T value)
{
if (string.IsNullOrEmpty(input))
{
value = default;
return false;
}
return Values.TryGetValue(ignoreCase ? input.ToLower() : input, out value);
}
internal static T Parse(string input, bool ignoreCase, T defaultValue)
{
return TryParse(input, ignoreCase, out T result) ? result : defaultValue;
}
}
}

276
EonaCat.Logger/Managers/LogManager.cs Normal file
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using EonaCat.Extensions;
using EonaCat.Logger.Extensions;
using EonaCat.Logger.Helpers;
using EonaCatLogger.EonaCatCoreLogger.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.IO;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace EonaCat.Logger.Managers
{
// This file is part of the EonaCat project(s) which is released under the Apache License.
// See the LICENSE file or go to https://EonaCat.com/License for full license details.
public class LogManager : IDisposable
{
private readonly object _batton = new object();
private DateTime _logDate;
private ILoggerProvider LoggerProvider { get; set; }
private ILoggerFactory LoggerFactory { get; set; }
private ILogger Logger { get; set; }
public string CurrentLogFile => LoggerProvider != null ? ((FileLoggerProvider)LoggerProvider).LogFile : string.Empty;
public bool IsRunning { get; private set; }
public StreamWriter Output { get; private set; }
public string LogFolderPath { get; set; } = "logs";
public FileLoggerOptions FileLoggerOptions { get; private set; }
public int FileSizeLimit { get; set; } = 200 * 1024 * 1024;
public string CategoryName { get; set; }
private LogManager Instance { get; set; }
private bool _disposed;
protected virtual void Dispose(bool disposing)
{
lock (this)
{
if (_disposed)
{
return;
}
if (disposing)
{
StopLogging();
}
_disposed = true;
}
}
public void Dispose()
{
Dispose(true);
}
public static async Task DownloadLogAsync(HttpResponse response, string logFile, long limit)
{
using (FileStream fileStream = new FileStream(logFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
response.ContentType = "text/plain";
response.Headers.Add("Content-Disposition", "attachment;filename=" + Path.GetFileName(logFile));
if (limit > fileStream.Length)
{
limit = fileStream.Length;
}
using (OffsetStream offsetStream = new OffsetStream(fileStream, 0, limit))
{
using (Stream stream = response.Body)
{
offsetStream.CopyTo(stream);
if (fileStream.Length > limit)
{
byte[] buffer = Encoding.UTF8.GetBytes("####___EonaCatLogger_TRUNCATED___####");
await stream.WriteAsync(buffer, 0, buffer.Length);
}
}
}
}
}
private void StartNewLog()
{
DateTime now = DateTime.Now;
if (IsRunning && now.Date > _logDate.Date)
{
StopLogging();
}
IsRunning = true;
IServiceCollection serviceCollection = new ServiceCollection();
CreateDefaultFileLoggerOptions();
serviceCollection.AddLogging(builder => builder.AddFile(configuration =>
{
configuration.BackgroundQueueSize = FileLoggerOptions.BackgroundQueueSize;
configuration.BatchSize = FileLoggerOptions.BatchSize;
configuration.FileNamePrefix = FileLoggerOptions.FileNamePrefix;
configuration.FileSizeLimit = FileLoggerOptions.FileSizeLimit;
configuration.FlushPeriod = FileLoggerOptions.FlushPeriod;
configuration.IsEnabled = FileLoggerOptions.IsEnabled;
configuration.LogDirectory = FileLoggerOptions.LogDirectory;
configuration.RetainedFileCountLimit = FileLoggerOptions.RetainedFileCountLimit;
}));
var serviceProvider = serviceCollection.BuildServiceProvider();
LoggerProvider = serviceProvider.GetService<ILoggerProvider>();
LoggerFactory = serviceProvider.GetService<ILoggerFactory>();
CategoryName = CategoryName ?? string.Empty;
Logger = LoggerFactory.CreateLogger(CategoryName);
if (!Directory.Exists(FileLoggerOptions.LogDirectory))
{
Directory.CreateDirectory(FileLoggerOptions.LogDirectory);
}
_logDate = now;
Write(now, "EonaCatLogger started.");
}
private void CreateDefaultFileLoggerOptions()
{
if (FileLoggerOptions == null)
{
FileLoggerOptions = new FileLoggerOptions
{
LogDirectory = LogFolderPath,
FileSizeLimit = FileSizeLimit
};
}
}
private void WriteToFile(EonaCatLogMessage EonaCatLogMessage)
{
if (EonaCatLogMessage.LogType == ELogType.CRITICAL)
{
Instance.Logger.LogCritical(EonaCatLogMessage.Message);
}
else if (EonaCatLogMessage.LogType == ELogType.DEBUG)
{
Instance.Logger.LogDebug(EonaCatLogMessage.Message);
}
else if (EonaCatLogMessage.LogType == ELogType.ERROR)
{
Instance.Logger.LogError(EonaCatLogMessage.Message);
}
else if (EonaCatLogMessage.LogType == ELogType.INFO)
{
Instance.Logger.LogInformation(EonaCatLogMessage.Message);
}
else if (EonaCatLogMessage.LogType == ELogType.TRACE)
{
Instance.Logger.LogTrace(EonaCatLogMessage.Message);
}
else if (EonaCatLogMessage.LogType == ELogType.TRAFFIC)
{
Instance.Logger.LogTrace($"[TRAFFIC] {EonaCatLogMessage.Message}");
}
else if (EonaCatLogMessage.LogType == ELogType.WARNING)
{
Instance.Logger.LogWarning(EonaCatLogMessage.Message);
}
}
private void Write(DateTime dateTime, string message, ELogType logType = ELogType.INFO)
{
var EonaCatMessage = new EonaCatLogMessage { DateTime = dateTime, Message = message, LogType = logType };
WriteToFile(EonaCatMessage);
}
private LogManager()
{
// Do nothing
}
public LogManager(FileLoggerOptions fileLoggerOptions)
{
FileLoggerOptions = fileLoggerOptions;
SetupLogManager();
}
private void SetupLogManager()
{
AppDomain.CurrentDomain.ProcessExit += ProcessExit;
Instance = this;
_logDate = DateTime.Now;
StartNewLog();
}
private void ProcessExit(object sender, EventArgs e)
{
Instance?.StopLogging();
Thread.Sleep(1000);
}
private void StopLogging()
{
Write(DateTime.Now, "EonaCatLogger stopped.");
IsRunning = false;
}
public LogManager(string logFolder = null, bool defaultPrefix = true)
{
CreateDefaultFileLoggerOptions();
if (logFolder != null)
{
FileLoggerOptions.LogDirectory = logFolder;
}
if (defaultPrefix)
{
FileLoggerOptions.FileNamePrefix = "EonaCat";
}
else
{
FileLoggerOptions.FileNamePrefix = string.Empty;
}
SetupLogManager();
}
public void Write(Exception exception)
{
Write(exception.ToString());
}
public void Write(string message, ELogType logType = ELogType.INFO, ELogType? logLevel = null)
{
lock (_batton)
{
if (logLevel == null)
{
logLevel = DllInfo.LogLevel;
}
if (logType == ELogType.CRITICAL || logLevel.GetValueOrDefault() <= logType)
{
DateTime now = DateTime.Now;
if (!IsRunning)
{
StartNewLog();
}
Write(now, $"{DllInfo.ApplicationName}: {message}", logType);
}
}
}
public void DeleteCurrentLogFile()
{
lock (this)
{
if (!string.IsNullOrWhiteSpace(CurrentLogFile))
{
File.Delete(CurrentLogFile);
}
StartNewLog();
}
}
}
}

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2
README.md
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# EonaCat.Logger # EonaCat.Logger
EonaCat Logger EonaCat Logger
Log application information to log files