// $Id$
//
// Copyright (C) 2007
// 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
// 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 AreaRegistry internal header */

#ifndef IH_SENF_Utils_Logger_AreaRegistry_
#define IH_SENF_Utils_Logger_AreaRegistry_ 1

// Custom includes
#include <string>
#include <vector>
#include <list>
#include "Levels.hh"
#include "TimeSource.hh"

//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {
namespace log {

    class Target;

namespace detail {

    class StreamBase;

    /** \brief Internal: Area base class */
    struct AreaBase
    {
        AreaBase();
        virtual ~AreaBase();

        std::string fullName() const;
        virtual std::string v_name() const;

        void init();
        bool alive() const;

        unsigned limit(StreamBase const & stream) const;
        void updateRoutingCache(Target & target, StreamBase const & stream, unsigned limit) const;
        void removeRoutingCache(Target & target, StreamBase const & stream) const;
        void write(time_type timestamp, StreamBase const & stream, unsigned level,
                   std::string const & msg) const;

    private:
        struct RouteEntry {
            RouteEntry(unsigned limit_, Target * target_) : limit(limit_), target(target_) {}
            unsigned limit;
            Target * target;
        };
        typedef std::list<RouteEntry> Routes;
        struct CacheEntry {
            CacheEntry() : limit (DISABLED::value), routes() {}
            unsigned limit;
            Routes routes;
        };
        typedef std::vector<CacheEntry> RoutingCache;
        mutable RoutingCache routingCache_;
        bool alive_;
    };

}}}


//-/////////////////////////////////////////////////////////////////////////////////////////////////
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End: