/// <summary>
/// Validate the options fo minimum data
/// </summary>
/// <param name="options">Logger options</param>
protected virtual void ValidateOptions(ReadonlyLoggerOptions options)
{
if (options.SizePerFile.SizeInBytes <= 1000)
{
throw new ArgumentException("The file size have to be positive and at least 1000 bytes", nameof(options));
}
if (string.IsNullOrWhiteSpace(options.FileName))
{
throw new ArgumentException("The file name should be set", nameof(options));
}
}
/// <summary>
/// Initialize from readonly options
/// </summary>
/// <param name="readOnlyOptions">Read only options</param>
public static LoggerOptions CopyFromReadonly(ReadonlyLoggerOptions readOnlyOptions)
{
return(new LoggerOptions
{
FileName = readOnlyOptions.FileName,
IsCompressed = readOnlyOptions.IsCompressed,
Level = readOnlyOptions.Level,
ArchiveCount = readOnlyOptions.ArchiveCount,
SizePerFile = readOnlyOptions.SizePerFile,
IsArchiveOnStart = readOnlyOptions.IsArchiveOnStart,
Filter = readOnlyOptions.Filter,
LogMessageLayout = readOnlyOptions.LogMessageLayout,
LogToDebugStream = readOnlyOptions.LogToDebugStream
});
}
/// <inheritdoc />
public virtual void ApplyConfiguration(LoggerOptions options)
{
CurrentOptions = options ?? throw new ArgumentNullException(nameof(options), "Null options are not allowed");
// Validate options
ValidateOptions(CurrentOptions);
// Reconfigure NLog
var fileTarget = new NLog.Targets.FileTarget("FileLog")
{
FileName = options.FileName,
ArchiveNumbering = NLog.Targets.ArchiveNumberingMode.DateAndSequence,
ArchiveOldFileOnStartup = options.IsArchiveOnStart,
Layout = options.LogMessageLayout ?? NLOG_LAYOUT,
EnableArchiveFileCompression = options.IsCompressed,
ArchiveAboveSize = options.SizePerFile.SizeInBytes,
MaxArchiveFiles = options.ArchiveCount
};
var configuration = new NLog.Config.LoggingConfiguration();
configuration.AddTarget(fileTarget);
// Configure rule
var filter = string.IsNullOrWhiteSpace(options.Filter) ? "*" : options.Filter;
var fileRule = new NLog.Config.LoggingRule(filter, options.Level.ToNLog(), fileTarget);
configuration.LoggingRules.Add(fileRule);
// Debug
if (options.LogToDebugStream)
{
var debugTarget = new NLog.Targets.DebuggerTarget("DebugLog")
{
Layout = options.LogMessageLayout ?? NLOG_LAYOUT
};
configuration.AddTarget(debugTarget);
var debugRule = new NLog.Config.LoggingRule(filter, options.Level.ToNLog(), debugTarget);
configuration.LoggingRules.Add(debugRule);
}
// Set configuration
NLog.LogManager.Configuration = configuration;
}
