Packets/80221Bundle: fixed message validation

[senf.git] / senf / Packets / 80221Bundle / MIHMessageRegistry.ih

diff --git a/senf/Packets/80221Bundle/MIHMessageRegistry.ih b/senf/Packets/80221Bundle/MIHMessageRegistry.ih
new file mode 100644 (file)
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+++ b/senf/Packets/80221Bundle/MIHMessageRegistry.ih
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+// $Id$
+//
+// Copyright (C) 2010
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Thorsten Horstmann <tho@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+/** \file
+    \brief MIH Message-Registry internal header */
+
+#ifndef IH_SENF_Packets_80221Bundle_MIHMessageRegistry_
+#define IH_SENF_Packets_80221Bundle_MIHMessageRegistry_ 1
+
+// Custom includes
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
+namespace senf {
+
+    namespace detail {
+
+        template<class T, typename Signature>
+        struct has_static_validate_member
+        {
+            template<Signature *>
+            struct helper;
+
+            template<class U>
+            static char test(helper<&U::validate> *);
+
+            template<class U>
+            static char (&test(...))[2];
+
+            static const bool value = sizeof(test<T>(0))==1;
+        };
+
+
+        struct MIHMessageRegistry_EntryBase {
+            virtual ~MIHMessageRegistry_EntryBase() {}
+            virtual void validate(senf::Packet message) const = 0;
+        };
+
+
+        template <class MIHPacket,
+            bool use_validate_member = has_static_validate_member<typename MIHPacket::type, void(MIHPacket)>::value>
+        struct MIHMessageRegistryEntry : MIHMessageRegistry_EntryBase
+        {
+            virtual void validate(senf::Packet message) const {}
+        };
+
+        template <class MIHPacket>
+        struct MIHMessageRegistryEntry<MIHPacket, true> : MIHMessageRegistry_EntryBase
+        {
+            virtual void validate(senf::Packet message) const;
+        };
+
+    }
+}
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
+#endif
+
+
+\f
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
+// End: