Security-222.tar.gz

[apple/security.git] / cdsa / cdsa_utilities / callback.h

diff --git a/cdsa/cdsa_utilities/callback.h b/cdsa/cdsa_utilities/callback.h
deleted file mode 100644 (file)
index 8b5f9f8..0000000
--- a/cdsa/cdsa_utilities/callback.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * 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.
- */
-
-
-//
-// Encapsulate the callback mechanism of CSSM.
-//
-#ifndef _H_CALLBACK
-#define _H_CALLBACK
-
-#include <Security/utilities.h>
-#include <Security/threading.h>
-#include <map>
-
-#ifdef _CPP_CALLBACK
-#pragma export on
-#endif
-
-namespace Security
-{
-
-//
-// A single module-specific callback as requested by the user.
-//
-class ModuleCallback {
-public:
-       ModuleCallback() : mCallback(0), mContext(0) { }
-    ModuleCallback(CSSM_API_ModuleEventHandler callback, void *context)
-    : mCallback(callback), mContext(context) { }
-
-    void operator () (CSSM_MODULE_EVENT event,
-                      const Guid &guid, uint32 subId,
-                      CSSM_SERVICE_TYPE serviceType) const;
-
-    operator bool () const { return mCallback || mContext; }
-    bool operator ! () const { return !bool(*this); }
-
-    bool operator == (const ModuleCallback &cb) const
-    { return mCallback == cb.mCallback && mContext == cb.mContext; }
-    bool operator < (const ModuleCallback &cb) const
-    { return mCallback < cb.mCallback
-        || mCallback == cb.mCallback && mContext < cb.mContext; }
-
-private:
-    CSSM_API_ModuleEventHandler mCallback;
-    void *mContext;
-};
-
-
-//
-// A set of callbacks that can be invoked automatically in a thread-safe manner.
-// THREADS: The set itself is not interlocked by the ModuleCallbackSet class; you
-// are responsible for ensuring single access to the set object. The class ensures
-// that any threads it spawns to execute the callbacks will not step on each other
-// or on you, and that you will not be able to erase() a callback while it has
-// activity scheduled against it. This also applies to the invocation method
-// (operator ()) - you must lock against multiple accesses to it until it returns.
-//
-class ModuleCallbackSet {
-public:
-    unsigned int size() const { return callbacks.size(); }
-    void insert(const ModuleCallback &newCallback);
-    void erase(const ModuleCallback &oldCallback);
-
-    void operator () (CSSM_MODULE_EVENT event,
-                      const Guid &guid, uint32 subId,
-                      CSSM_SERVICE_TYPE serviceType) const;
-
-private:
-    // note mutex *: we don't want to rely on copy-ability of Mutex objects
-    typedef multimap<ModuleCallback, CountingMutex *> CallbackMap;
-    mutable CallbackMap callbacks;
-
-    struct Runner : public Thread {
-        Runner(CallbackMap &inCallbacks,
-               CSSM_MODULE_EVENT inEvent,
-               const Guid &inGuid,
-               uint32 inSSId,
-               CSSM_SERVICE_TYPE inServiceType)
-        : callbacks(inCallbacks), event(inEvent), guid(inGuid),
-        subserviceId(inSSId), serviceType(inServiceType) { }
-        
-        CallbackMap callbacks; // note that we share the CountingMutex * values!
-        const CSSM_MODULE_EVENT event;
-        const Guid guid;
-        const uint32 subserviceId;
-        const CSSM_SERVICE_TYPE serviceType;
-
-        void action();
-    };
-};
-
-} // end namespace Security
-
-#ifdef _CPP_CALLBACK
-#pragma export off
-#endif
-
-#endif //_H_CALLBACK