Security-55163.44.tar.gz

[apple/security.git] / libsecurity_cdsa_client / lib / multidldb.h

diff --git a/libsecurity_cdsa_client/lib/multidldb.h b/libsecurity_cdsa_client/lib/multidldb.h
new file mode 100644 (file)
index 0000000..efb3364
--- /dev/null
+++ b/libsecurity_cdsa_client/lib/multidldb.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
+ * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
+ * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
+ * specific language governing rights and limitations under the License.
+ */
+
+
+//
+// multidldb interfaces for searching multiple dls or db with a single cursor.
+//
+#ifndef _H_CDSA_CLIENT_MULTIDLDB
+#define _H_CDSA_CLIENT_MULTIDLDB  1
+
+#include <security_cdsa_client/dlclient.h>
+#include <security_cdsa_client/DLDBList.h>
+
+namespace Security
+{
+
+namespace CssmClient
+{
+
+//
+// The MultiDLDb class.
+//
+class MultiDLDbImpl : public ObjectImpl, public DbCursorMaker
+{
+public:
+       struct List : public vector<DLDbIdentifier>, public RefCount
+       {
+               List(const vector<DLDbIdentifier> &list) : vector<DLDbIdentifier>(list) {}
+       };
+
+       struct ListRef : public RefPointer<List>
+       {
+               ListRef() {}
+               ListRef(const vector<DLDbIdentifier> &list) : RefPointer<List>(new List(list)) {}
+       };
+
+       MultiDLDbImpl(const vector<DLDbIdentifier> &list, bool useSecureStorage, const Cssm &cssm);
+       MultiDLDbImpl(const vector<DLDbIdentifier> &list, bool useSecureStorage);
+       virtual ~MultiDLDbImpl();
+
+       Cssm cssm() const { return parent<Cssm>(); }
+       Db database(const DLDbIdentifier &dlDbIdentifier);
+       ListRef listRef() { return mListRef; }
+       void list(const vector<DLDbIdentifier> &list);
+    const vector<DLDbIdentifier> &list() { return *mListRef; }
+
+       // DbCursorMaker
+       virtual DbCursorImpl *newDbCursor(const CSSM_QUERY &query, Allocator &allocator);
+       virtual DbCursorImpl *newDbCursor(uint32 capacity, Allocator &allocator);
+
+protected:
+       void activate();
+       void deactivate();
+
+private:
+       typedef map<DLDbIdentifier, Db> DbMap;
+
+       // Lock protecting this object during changes.
+       Mutex mLock;
+       ListRef mListRef;
+       DbMap mDbMap;
+       bool mUseSecureStorage;
+};
+
+class MultiDLDb : public Object
+{
+public:
+       typedef MultiDLDbImpl Impl;
+
+       explicit MultiDLDb(Impl *impl) : Object(impl) {}
+       MultiDLDb(const vector<DLDbIdentifier> &list, bool useSecureStorage, const Cssm &cssm)
+       : Object(new Impl(list, useSecureStorage, cssm)) {}
+       MultiDLDb(const vector<DLDbIdentifier> &list, bool useSecureStorage)
+       : Object(new Impl(list, useSecureStorage)) {}
+
+       Impl *operator ->() const { return &impl<Impl>(); }
+       Impl &operator *() const { return impl<Impl>(); }
+       
+       // Conversion to DbCursorMaker
+       operator DbCursorMaker &() { return impl<Impl>(); }
+};
+
+}; // end namespace CssmClient
+
+} // end namespace Security
+
+#endif // _H_CDSA_CLIENT_MULTIDLDB