32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
using System.Text;
|
|
using System.Text.Json.Serialization;
|
|
|
|
namespace Logging;
|
|
|
|
public class FileLogger : LoggerBase
|
|
{
|
|
private string logFilePath { get; }
|
|
private const int MaxNumberOfLogFiles = 5;
|
|
|
|
public FileLogger(string logFilePath, TextWriter? stdOut, Encoding? encoding = null) : base (stdOut, encoding)
|
|
{
|
|
this.logFilePath = logFilePath;
|
|
|
|
//Remove oldest logfile if more than MaxNumberOfLogFiles
|
|
string parentFolderPath = Path.GetDirectoryName(logFilePath)!;
|
|
for (int fileCount = new DirectoryInfo(parentFolderPath).EnumerateFiles().Count(); fileCount > MaxNumberOfLogFiles - 1; fileCount--) //-1 because we create own logfile later
|
|
File.Delete(new DirectoryInfo(parentFolderPath).EnumerateFiles().MinBy(file => file.LastWriteTime)!.FullName);
|
|
}
|
|
|
|
protected override void Write(LogMessage logMessage)
|
|
{
|
|
try
|
|
{
|
|
File.AppendAllText(logFilePath, logMessage.ToString());
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
stdOut?.WriteLine(e);
|
|
}
|
|
}
|
|
} |