41 lines
1.2 KiB
C#
41 lines
1.2 KiB
C#
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using System.Text;
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using NLog;
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using NLog.Targets;
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using OliverBooth.Services;
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namespace OliverBooth.Logging;
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/// <summary>
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/// Represents an NLog target which writes its output to a log file on disk.
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/// </summary>
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internal sealed class LogFileTarget : TargetWithLayout
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{
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private readonly LoggingService _loggingService;
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/// <summary>
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/// Initializes a new instance of the <see cref="LogFileTarget" /> class.
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/// </summary>
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/// <param name="name">The name of the log target.</param>
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/// <param name="loggingService">The <see cref="LoggingService" />.</param>
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public LogFileTarget(string name, LoggingService loggingService)
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{
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_loggingService = loggingService;
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Name = name;
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}
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/// <inheritdoc />
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protected override void Write(LogEventInfo logEvent)
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{
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_loggingService.ArchiveLogFilesAsync(false).GetAwaiter().GetResult();
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using FileStream stream = _loggingService.LogFile.Open(FileMode.Append, FileAccess.Write);
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using var writer = new StreamWriter(stream, Encoding.UTF8);
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writer.Write(Layout.Render(logEvent));
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if (logEvent.Exception is { } exception)
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writer.Write($": {exception}");
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writer.WriteLine();
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}
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}
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