/// <summary>
/// Constructor.
/// <para>The IOptionsMonitor provides the OnChange() method which is called when the user alters the settings of this provider in the appsettings.json file.</para>
/// </summary>
public WebLoggerProvider(IOptionsMonitor <WebLoggerOptions> settings, IWebLoggerDestination webLoggerDestination)
: this(settings.CurrentValue, webLoggerDestination)
{
// https://docs.microsoft.com/en-us/aspnet/core/fundamentals/change-tokens
SettingsChangeToken = settings.OnChange(settings =>
{
_settings = settings;
});
}
/// <summary>
/// Adds the file logger provider, aliased as 'Web', in the available services as singleton and binds the file logger options class to the 'File' section of the appsettings.json file.
/// </summary>
public static ILoggingBuilder AddWebLogger(this ILoggingBuilder builder, IWebLoggerDestination webLoggerDestination, Action <WebLoggerOptions> configure)
{
if (configure is null)
{
throw new ArgumentNullException(nameof(configure));
}
builder.AddWebLogger(webLoggerDestination);
builder.Services.Configure(configure);
return(builder);
}
/// <summary>
/// Adds the file logger provider, aliased as 'Web', in the available services as singleton and binds the file logger options class to the 'Web' section of the appsettings.json file.
/// </summary>
public static ILoggingBuilder AddWebLogger(this ILoggingBuilder builder, IWebLoggerDestination webLoggerDestination)
{
builder.AddConfiguration();
builder.Services.TryAddSingleton <ILoggerProvider>((serviceProvider) =>
{
IOptionsMonitor <WebLoggerOptions> options = serviceProvider.GetRequiredService <IOptionsMonitor <WebLoggerOptions> >();
return(new WebLoggerProvider(options, webLoggerDestination));
});
builder.Services.TryAddSingleton <IConfigureOptions <WebLoggerOptions>, WebLoggerOptionsSetup>();
builder.Services.TryAddSingleton <IOptionsChangeTokenSource <WebLoggerOptions>, LoggerProviderOptionsChangeTokenSource <WebLoggerOptions, WebLoggerProvider> >();
return(builder);
}
/// <summary>
/// Constructor
/// </summary>
public WebLoggerProvider(WebLoggerOptions settings, IWebLoggerDestination webLoggerDestination)
{
_webLoggerDestination = webLoggerDestination;
_settings = settings;
}
public IWebLoggerDestination Add(string id, IWebLoggerDestination destination)
{
_destinations.TryAdd(id, destination);
return(destination);
}
