/// <summary>
/// Adds the given provider to those used in creating <see cref="ILogger"/> instances.
/// </summary>
/// <param name="provider">The <see cref="ILoggerProvider"/> to add.</param>
public void AddProvider(ILoggerProvider provider)
{
if (CheckDisposed())
{
throw new ObjectDisposedException(nameof(LoggerFactory));
}
lock (_sync)
{
AddProviderRegistration(provider, dispose: true);
foreach (var existingLogger in _loggers)
{
var logger = existingLogger.Value;
var loggerInformation = logger.Loggers;
var newLoggerIndex = loggerInformation.Length;
Array.Resize(ref loggerInformation, loggerInformation.Length + 1);
loggerInformation[newLoggerIndex] = new LoggerInformation(provider, existingLogger.Key);
logger.Loggers = loggerInformation;
(logger.MessageLoggers, logger.ScopeLoggers) = ApplyFilters(logger.Loggers);
}
}
}
/// 根据注册的ILoggerProvider，创建Logger需要的 LoggerInformation[]
private LoggerInformation[] CreateLoggers(string categoryName)
{
var loggers = new LoggerInformation[_providerRegistrations.Count];
for (var i = 0; i < _providerRegistrations.Count; i++)
{
loggers[i] = new LoggerInformation(_providerRegistrations[i].Provider, categoryName);
}
return(loggers);
}