1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25
26#ifndef __DATA_STORAGE_LIBRARY_H__
27#define __DATA_STORAGE_LIBRARY_H__
28
29
30
31#include <Security/Security.h>
32#include "AttachedInstance.h"
33#include "Mutex.h"
34
35#include <map>
36
37
38typedef std::map<CSSM_MODULE_HANDLE, AttachedInstance*> InstanceMap;
39
40// a class which creates, deallocates, and finds attached instances
41
42class DataStorageLibrary
43{
44protected:
45
46	CSSM_SPI_ModuleEventHandler mEventHandler;
47	void* mCallbackContext;
48	InstanceMap mInstanceMap;
49	DynamicMutex mInstanceMapMutex;
50
51public:
52	static DataStorageLibrary* gDL;
53	static pthread_mutex_t *gGlobalLock;
54
55	DataStorageLibrary (pthread_mutex_t *globalLock, CSSM_SPI_ModuleEventHandler eventHandler, void* CssmNotifyCallbackCtx);
56	virtual ~DataStorageLibrary ();
57
58	void Attach (const CSSM_GUID *ModuleGuid,
59			     const CSSM_VERSION *Version,
60			     uint32 SubserviceID,
61			     CSSM_SERVICE_TYPE SubserviceType,
62			     CSSM_ATTACH_FLAGS AttachFlags,
63				 CSSM_MODULE_HANDLE ModuleHandle,
64			     CSSM_KEY_HIERARCHY KeyHierarchy,
65			     const CSSM_GUID *CssmGuid,
66			     const CSSM_GUID *ModuleManagerGuid,
67			     const CSSM_GUID *CallerGuid,
68			     const CSSM_UPCALLS *Upcalls,
69			     CSSM_MODULE_FUNCS_PTR *FuncTbl);
70
71	void Detach (CSSM_MODULE_HANDLE moduleHandle);
72
73	virtual AttachedInstance* MakeAttachedInstance () = 0;
74
75	AttachedInstance* HandleToInstance (CSSM_MODULE_HANDLE handle);
76};
77
78
79
80#endif
81