61 lines
1.9 KiB
C#
61 lines
1.9 KiB
C#
namespace KronaStaffTerminal.Services;
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public static class CrashLogService
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{
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private const long MaximumLogSize = 1_048_576;
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private static readonly object Gate = new();
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private static readonly string LogDirectory = Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData),
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"Krona",
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"StaffTerminal",
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"logs");
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public static void Write(Exception exception)
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{
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try
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{
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lock (Gate)
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{
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Directory.CreateDirectory(LogDirectory);
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var path = Path.Combine(LogDirectory, "crash.log");
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RotateIfNeeded(path);
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var entry = $"[{DateTimeOffset.Now:O}]{Environment.NewLine}{exception}{Environment.NewLine}{Environment.NewLine}";
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File.AppendAllText(path, entry);
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}
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}
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catch
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{
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// Logging must never replace the original application failure.
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}
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}
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public static void WriteDiagnostic(string message)
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{
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try
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{
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lock (Gate)
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{
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Directory.CreateDirectory(LogDirectory);
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var path = Path.Combine(LogDirectory, "diagnostic.log");
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RotateIfNeeded(path);
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var entry = $"[{DateTimeOffset.Now:O}] {message}{Environment.NewLine}";
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File.AppendAllText(path, entry);
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}
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}
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catch
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{
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// Diagnostics must never throw
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}
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}
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private static void RotateIfNeeded(string path)
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{
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if (!File.Exists(path) || new FileInfo(path).Length < MaximumLogSize) return;
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for (var index = 3; index >= 1; index--)
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{
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var source = index == 1 ? path : $"{path}.{index - 1}";
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var destination = $"{path}.{index}";
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if (File.Exists(source)) File.Move(source, destination, true);
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}
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}
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}
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