string CreateKey(Type protocolType, Type serverType, bool excludeSchemeHostPort = false, string keySuffix = null)
{
//
// we want to use the hostname to cache since for documentation, WSDL
// contains the cache hostname, but we definitely don't want to cache the query string!
//
string protocolTypeName = protocolType.FullName;
string serverTypeName = serverType.FullName;
string typeHandleString = serverType.TypeHandle.Value.ToString();
string url = excludeSchemeHostPort ? Request.Url.AbsolutePath : Request.Url.GetLeftPart(UriPartial.Path);
int length = protocolTypeName.Length + url.Length + serverTypeName.Length + typeHandleString.Length;
StringBuilder sb = new StringBuilder(length);
sb.Append(protocolTypeName);
sb.Append(url);
sb.Append(serverTypeName);
sb.Append(typeHandleString);
if (keySuffix != null)
{
sb.Append(keySuffix);
}
CreateCustomKeyForAspNetWebServiceMetadataCache createKey = ServerProtocol.GetCreateCustomKeyForAspNetWebServiceMetadataCacheDelegate(serverType);
return(createKey(protocolType, serverType, sb.ToString()));
}
static CreateCustomKeyForAspNetWebServiceMetadataCache GetCreateCustomKeyForAspNetWebServiceMetadataCacheDelegate(Type serverType)
{
PartialTrustHelpers.FailIfInPartialTrustOutsideAspNet();
string key = "CreateCustomKeyForAspNetWebServiceMetadataCache-" + serverType.FullName;
CreateCustomKeyForAspNetWebServiceMetadataCache result = (CreateCustomKeyForAspNetWebServiceMetadataCache)HttpRuntime.Cache.Get(key);
if (result == null)
{
MethodInfo createKeyMethod = serverType.GetMethod(
"CreateCustomKeyForAspNetWebServiceMetadataCache",
BindingFlags.Public | BindingFlags.Static | BindingFlags.ExactBinding | BindingFlags.FlattenHierarchy,
null,
new Type[] { typeof(Type), typeof(Type), typeof(string) },
null);
if (createKeyMethod == null)
{
result = ServerProtocol.DefaultCreateCustomKeyForAspNetWebServiceMetadataCache;
}
else
{
result = delegate(Type pt, Type st, string originalString)
{
return((string)createKeyMethod.Invoke(null, new object[] { pt, st, originalString }));
};
}
HttpRuntime.Cache.Add(key, result, null, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null);
}
return(result);
}