// $Id$
//
// Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-// Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+// Stefan Bund <g0dil@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
// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#ifndef IH_PacketRegistryImpl_
-#define IH_PacketRegistryImpl_ 1
+/** \file
+ \brief PacketRegistry internal header */
+
+#ifndef IH_SENF_Packets_PacketRegistry_
+#define IH_SENF_Packets_PacketRegistry_ 1
// Custom includes
-#include "Packet.hh"
-#include "DataPacket.hh"
-#include "typeidvalue.hh"
+#include <ext/functional>
+#include <boost/intrusive_ptr.hpp>
+#include <boost/iterator/transform_iterator.hpp>
+#include "../Utils/TypeIdValue.hh"
///////////////////////////////ih.p////////////////////////////////////////
namespace senf {
-namespace impl {
+ /** \brief Registry entry
- struct PkReg_Entry {
- virtual ~PkReg_Entry() {}
- virtual void registerInterpreter(Packet const * p,
- Packet::iterator b, Packet::iterator e) = 0;
- virtual Packet::ptr reinterpret(Packet * p) = 0;
+ Value returned by a registry lookup
+ */
+ struct PkReg_Entry
+ : public intrusive_refcount
+ {
+ virtual ~PkReg_Entry();
+ virtual Packet::factory_t factory() const = 0;
+ ///< Get factory of the registered packet type
+ virtual std::string name() const = 0;
};
- template <class OtherPacket>
+namespace detail {
+
+ /** \brief Internal: Registry entry implementation for a specific packet type
+
+ \internal
+ */
+ template <class PacketType>
struct PkReg_EntryImpl
: public PkReg_Entry
{
- virtual void registerInterpreter(Packet const * p, Packet::iterator b, Packet::iterator e);
- virtual Packet::ptr reinterpret(Packet * p);
+ virtual Packet::factory_t factory() const;
+ virtual std::string name() const;
+ };
+
+ /** \brief Internal: Registry implementation base-class and registry of registries
+
+ \internal
+ */
+ class PacketRegistryImplBase
+ : private boost::noncopyable
+ {
+ public:
+ virtual ~PacketRegistryImplBase();
+
+ static void dump(std::ostream & os);
+
+ protected:
+ typedef std::map<std::string, PacketRegistryImplBase*> RegistryMap;
+ static RegistryMap & registries();
+
+ private:
+ virtual void v_dump(std::ostream & os) = 0;
};
+ /** \brief Internal: Singleton class implementing the packet registry.
+ \internal
+ */
template <class KeyType>
- class PacketRegistryImpl : private boost::noncopyable
+ class PacketRegistryImpl
+ : public PacketRegistryImplBase
{
public:
+ typedef KeyType key_t;
+ typedef PkReg_Entry Entry;
+
+ private:
+ typedef boost::intrusive_ptr<Entry> Entry_ptr;
+ typedef std::map<key_t, Entry_ptr> PacketMap;
+ typedef std::map<senf::TypeIdValue, key_t> ReversePacketMap;
+
+ public:
///////////////////////////////////////////////////////////////////////////
// Types
- typedef KeyType key_t;
-
- typedef impl::PkReg_Entry Entry;
+ typedef boost::transform_iterator< ::__gnu_cxx::select1st<typename PacketMap::value_type>,
+ typename PacketMap::const_iterator > iterator;
///////////////////////////////////////////////////////////////////////////
///\name Structors and default members
///@{
- // default default constructor
- // no copy constructor
- // no copy assignment
- // default destructor
- // no conversion constructors
+ PacketRegistryImpl(std::string const & name);
///@}
///////////////////////////////////////////////////////////////////////////
- template <class OtherPacket>
+ template <class PacketType>
void registerPacket(key_t key);
key_t key(senf::TypeIdValue const & type);
+ boost::optional<key_t> key(senf::TypeIdValue const & type, bool);
- Entry * lookup(key_t key);
+ Entry const & lookup(key_t key);
+ Entry const * lookup(key_t key, bool);
+
+ iterator begin() const;
+ iterator end() const;
protected:
private:
- template <class OtherPacket>
- static void registerInterpreter(Packet * p, Packet::iterator b, Packet::iterator e);
-
- typedef boost::shared_ptr<Entry> Entry_ptr;
- typedef std::map<key_t, Entry_ptr> PacketMap;
- typedef std::map<senf::TypeIdValue, key_t> ReversePacketMap;
+ virtual void v_dump(std::ostream & os);
PacketMap registry_;
ReversePacketMap reverseRegistry_;
};
- extern PkReg_EntryImpl<DataPacket> pkreg_dataEntry;
-
}}
///////////////////////////////ih.e////////////////////////////////////////