/// <summary>
/// Adds a memory logger with settings object.
/// </summary>
public static ILoggerFactory AddMemory(
this ILoggerFactory factory,
IMemoryLoggerSettings settings)
{
factory.AddProvider(new MemoryLoggerProvider(settings));
return(factory);
}
public MemoryLoggerProvider(Func <string, LogLevel, bool> filter, int maxLogCount = 200)
{
_filter = filter;
_settings = new MemoryLoggerSettings()
{
MaxLogCount = maxLogCount
};
}
public MemoryLoggerProvider(Func<string, LogLevel, bool> filter, int maxLogCount = 200)
{
_filter = filter;
_settings = new MemoryLoggerSettings()
{
MaxLogCount = maxLogCount
};
}
/// <summary>
///
/// </summary>
/// <param name="filter"></param>
/// <param name="maxLogCount"></param>
/// <param name="logLineFormatter"></param>
public MemoryLoggerProvider(Func <string, LogLevel, bool> filter,
int maxLogCount = 200,
Func <LogLevel, string, string, Exception, string> logLineFormatter = null)
{
this.logLineFormatter = logLineFormatter;
_filter = filter;
_settings = new MemoryLoggerSettings()
{
MaxLogCount = maxLogCount
};
}
/// <summary>
/// Coustructor with settings object
/// </summary>
/// <param name="settings">settings object</param>
public MemoryLoggerProvider(IMemoryLoggerSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_settings = settings;
if (_settings.ChangeToken != null)
{
_settings.ChangeToken.RegisterChangeCallback(OnConfigurationReload, null);
}
}
public MemoryLoggerProvider(IMemoryLoggerSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
_settings = settings;
if (_settings.ChangeToken != null)
{
_settings.ChangeToken.RegisterChangeCallback(OnConfigurationReload, null);
}
}
private void OnConfigurationReload(object state)
{
// The settings object needs to change here, because the old one is probably holding on
// to an old change token.
_settings = _settings.Reload();
foreach (var logger in _loggers.Values)
{
logger.Filter = GetFilter(logger.Name, _settings);
}
// The token will change each time it reloads, so we need to register again.
if (_settings?.ChangeToken != null)
{
_settings.ChangeToken.RegisterChangeCallback(OnConfigurationReload, null);
}
}
private void OnConfigurationReload(object state)
{
// The settings object needs to change here, because the old one is probably holding on
// to an old change token.
_settings = _settings.Reload();
foreach (var logger in _loggers.Values)
{
logger.Filter = GetFilter(logger.Name, _settings);
}
// The token will change each time it reloads, so we need to register again.
if (_settings?.ChangeToken != null)
{
_settings.ChangeToken.RegisterChangeCallback(OnConfigurationReload, null);
}
}
private Func <string, LogLevel, bool> GetFilter(string name, IMemoryLoggerSettings settings)
{
if (_filter != null)
{
return(_filter);
}
if (settings != null)
{
foreach (var prefix in GetKeyPrefixes(name))
{
LogLevel level;
if (settings.TryGetSwitch(prefix, out level))
{
return((n, l) => l >= level);
}
}
}
return((n, l) => false);
}
private Func<string, LogLevel, bool> GetFilter(string name, IMemoryLoggerSettings settings)
{
if (_filter != null)
{
return _filter;
}
if (settings != null)
{
foreach (var prefix in GetKeyPrefixes(name))
{
LogLevel level;
if (settings.TryGetSwitch(prefix, out level))
{
return (n, l) => l >= level;
}
}
}
return (n, l) => false;
}
/// <summary>
/// Adds a memory logger with settings object.
/// </summary>
public static ILoggerFactory AddMemory(
this ILoggerFactory factory,
IMemoryLoggerSettings settings)
{
factory.AddProvider(new MemoryLoggerProvider(settings));
return factory;
}
