211 lines
4.3 KiB
C++
211 lines
4.3 KiB
C++
/****
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Cache.h
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CoryWest@Microsoft.Com
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The schema caching routines to improve browsing performance.
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Copyright July 1997, Microsoft Corporation
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****/
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#include "nodetype.h"
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#ifndef __CACHE_H_INCLUDED__
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#define __CACHE_H_INCLUDED__
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//
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// The schema class objects.
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//
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#define HASH_TABLE_SIZE 1000
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class SchemaObject;
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class ListEntry;
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class SchemaObjectCache {
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//
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// We let certain routines walk the hash table
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// to populate the list views.
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//
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friend class Component;
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friend class ComponentData;
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friend class CSchmMgmtSelect;
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friend class ClassGeneralPage;
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friend HRESULT StringListToColumnList(
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ComponentData* pScopeControl,
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CStringList& refstringlist,
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ListEntry **ppNewList );
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private:
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//
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// A rudimentary hash table with no resizing.
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//
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BOOLEAN fInitialized;
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UINT buckets;
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SchemaObject** hash_table;
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UINT CalculateHashKey( CString HashKey );
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//
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// The server sorted lists of elements.
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//
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SchemaObject* pSortedClasses;
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SchemaObject* pSortedAttribs;
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public:
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//
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// Initialize and cleanup the cache.
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//
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SchemaObjectCache();
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~SchemaObjectCache();
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//
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// Access routines. ReleaseRef() must be called after every
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// LookupSchemaObject when the caller is done with the the
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// SchemaObject pointer.
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//
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// LookupSchemaObject takes an object type because there
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// may be a class and an attribute with the same ldapDisplayName.
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//
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HRESULT InsertSchemaObject( SchemaObject* Object );
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HRESULT InsertSortedSchemaObject( SchemaObject *Object );
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SchemaObject* LookupSchemaObject( CString ldapDisplayName,
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SchmMgmtObjectType ObjectType );
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SchemaObject* LookupSchemaObjectByCN( LPCTSTR pszCN,
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SchmMgmtObjectType objectType );
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VOID ReleaseRef( SchemaObject* pObject );
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//
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// Load and reload.
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//
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HRESULT LoadCache( VOID );
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HRESULT ProcessSearchResults( IDirectorySearch *pDSSearch,
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ADS_SEARCH_HANDLE hSearchHandle,
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SchmMgmtObjectType ObjectType );
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VOID InsertSortedTail( SchemaObject* pObject );
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ListEntry* MakeColumnList( PADS_SEARCH_COLUMN pColumn );
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VOID FreeColumnList( ListEntry *pListHead );
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VOID FreeAll( );
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//
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// The scope control that this is the cache for.
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//
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VOID SetScopeControl( ComponentData *pScope ) {
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pScopeControl = pScope;
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}
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//
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// Has the schema been loaded
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//
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BOOLEAN IsSchemaLoaded() { return fInitialized; }
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ComponentData *pScopeControl;
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};
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class SchemaObject {
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private:
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public:
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//
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// The hash chain variable.
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//
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SchemaObject* pNext;
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SchemaObject* pSortedListFlink;
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SchemaObject* pSortedListBlink;
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//
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// Constructors.
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//
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SchemaObject();
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~SchemaObject();
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//
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// The common object information.
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// The ldap display name is the hash key.
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//
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CString ldapDisplayName;
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CString commonName;
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CString description;
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//
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// If this is an object that we have added, it
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// will have an oid here and we should refer to
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// the object by its oid since that is the only
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// way we can guarantee that the ds will know
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// the object.
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//
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CString oid;
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//
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// If this object is defunct, do not show it in the
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// classes or attributes select box!
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//
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BOOL isDefunct;
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SchmMgmtObjectType schemaObjectType;
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//
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// Class object specific data for the cache.
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//
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DWORD dwClassType;
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ListEntry *systemMayContain;
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ListEntry *mayContain;
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ListEntry *systemMustContain;
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ListEntry *mustContain;
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ListEntry *systemAuxiliaryClass;
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ListEntry *auxiliaryClass;
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CString subClassOf;
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//
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// Attribute object specific data for the cache.
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//
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UINT SyntaxOrdinal;
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};
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class ListEntry {
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private:
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public:
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ListEntry *pNext;
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CString Attribute;
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ListEntry() { pNext = NULL; }
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~ListEntry() { ; }
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};
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#endif
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