private static TimeSpan GetMaximumAgeLimitFromRegistry(ExpirationLimit limit)
{
TimeSpan result;
using (RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("SYSTEM\\CurrentControlSet\\Services\\MSExchange RBAC", false))
{
int num;
string name;
switch (limit)
{
case ExpirationLimit.RunspaceRefresh:
num = 60;
name = "MaximumAge";
break;
case ExpirationLimit.ExternalAccountRunspaceTermination:
num = 1440;
name = "MaximumAgeExternalAccount";
break;
default:
throw new ArgumentOutOfRangeException("limit");
}
if (registryKey != null)
{
object value = registryKey.GetValue(name);
if (value != null && value is int)
{
int num2 = (int)value;
if (num2 > 0)
{
num = num2;
}
}
}
result = TimeSpan.FromMinutes((double)num);
}
return(result);
}
private bool IsMaximumAgeLimitExceeded(ExpirationLimit limit)
{
return(DateTime.UtcNow >= this.maxAgeLimits[(int)limit]);
}
public static TimeSpan GetMaximumAgeLimit(ExpirationLimit limit)
{
ExchangeExpiringRunspaceConfiguration.RefreshLimitsFromRegistryIfNeeded();
return(ExchangeExpiringRunspaceConfiguration.ExpiryPeriods[(int)limit]);
}
private void SetMaxAgeLimit(ExpirationLimit limit)
{
this.maxAgeLimits[(int)limit] = DateTime.UtcNow.Add(ExchangeExpiringRunspaceConfiguration.GetMaximumAgeLimit(limit));
}
