48 lines
2.0 KiB
C#
48 lines
2.0 KiB
C#
using InnovEnergy.Lib.Utils;
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using Microsoft.Extensions.Logging;
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namespace InnovEnergy.App.SinexcelCommunication.DataLogging;
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public class CustomLogger : ILogger
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{
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private readonly String _LogFilePath;
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//private readonly Int64 _maxFileSizeBytes;
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private readonly Int32 _MaxLogFileCount;
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private Int64 _CurrentFileSizeBytes;
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public CustomLogger(String logFilePath, Int32 maxLogFileCount)
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{
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_LogFilePath = logFilePath;
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_MaxLogFileCount = maxLogFileCount;
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_CurrentFileSizeBytes = File.Exists(logFilePath) ? new FileInfo(logFilePath).Length : 0;
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}
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public IDisposable? BeginScope<TState>(TState state) where TState : notnull => throw new NotImplementedException();
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public Boolean IsEnabled(LogLevel logLevel) => true; // Enable logging for all levels
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public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception, String> formatter)
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{
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var logMessage = formatter(state, exception!);
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// Check the log file count and delete the oldest file if necessary
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var logFileDir = Path.GetDirectoryName(_LogFilePath)!;
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var logFileExt = Path.GetExtension(_LogFilePath);
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var logFileBaseName = Path.GetFileNameWithoutExtension(_LogFilePath);
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var logFiles = Directory
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.GetFiles(logFileDir, $"{logFileBaseName}_*{logFileExt}")
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.OrderBy(file => file)
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.ToList();
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if (logFiles.Count >= _MaxLogFileCount)
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{
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File.Delete(logFiles.First());
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}
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var roundedUnixTimestamp = DateTime.Now.ToUnixTime() % 2 == 0 ? DateTime.Now.ToUnixTime() : DateTime.Now.ToUnixTime() + 1;
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var timestamp = "Timestamp;" + roundedUnixTimestamp + Environment.NewLine;
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var logFileBackupPath = Path.Combine(logFileDir, $"{logFileBaseName}_{DateTime.Now.ToUnixTime()}{logFileExt}");
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File.AppendAllText(logFileBackupPath, timestamp + logMessage + Environment.NewLine);
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}
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} |