Security-55163.44.tar.gz

[apple/security.git] / libsecurity_cssm / lib / modload_plugin.h

diff --git a/libsecurity_cssm/lib/modload_plugin.h b/libsecurity_cssm/lib/modload_plugin.h
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+/*
+ * Copyright (c) 2000-2001,2003-2004 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The 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.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+//
+// modload_plugin - loader interface for dynamically loaded plugin modules
+//
+#ifndef _H_MODLOAD_PLUGIN
+#define _H_MODLOAD_PLUGIN
+
+#include "modloader.h"
+
+
+namespace Security {
+
+
+//
+// A LoadablePlugin implements itself as a LoadableBundle
+//
+class LoadablePlugin : public Plugin, public LoadableBundle {
+public:
+    LoadablePlugin(const char *path);
+    
+    void load();
+    void unload();
+    bool isLoaded() const;
+
+       CSSM_SPI_ModuleLoadFunction load;
+       CSSM_SPI_ModuleUnloadFunction unload;
+       CSSM_SPI_ModuleAttachFunction attach;
+       CSSM_SPI_ModuleDetachFunction detach;
+        
+private:
+       PluginFunctions mFunctions;
+
+    template <class FunctionType>
+    void findFunction(FunctionType * &func, const char *name)
+    { func = (FunctionType *)lookupSymbol(name); }
+};
+
+
+} // end namespace Security
+
+
+#endif //_H_MODLOAD_PLUGIN