public static List <String> GetBannedIPList()
{
string cachekey = "bannedipaddresses";
if (HttpRuntime.Cache[cachekey] == null)
{
List <String> bannedIPs = BannedIPAddress.GetAllBannedIPs();
int cacheTimeout = 120;
String pathToCacheDependencyFile
= HttpContext.Current.Server.MapPath(
"~/Data/bannedipcachedependency.config");
if (pathToCacheDependencyFile != null)
{
EnsureCacheFile(pathToCacheDependencyFile);
}
CacheDependency cacheDependency
= new CacheDependency(pathToCacheDependencyFile);
DateTime absoluteExpiration = DateTime.Now.AddSeconds(cacheTimeout);
TimeSpan slidingExpiration = TimeSpan.Zero;
CacheItemPriority priority = CacheItemPriority.Default;
CacheItemRemovedCallback callback = null;
HttpRuntime.Cache.Insert(
cachekey,
bannedIPs,
cacheDependency,
absoluteExpiration,
slidingExpiration,
priority,
callback);
}
return(HttpRuntime.Cache[cachekey] as List <String>);
}
