Factory.h

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/* ============================================================
 *
 * This file is part of the RSB project
 *
 * Copyright (C) 2011 Jan Moringen <jmoringe@techfak.uni-bielefeld.de>
 *
 * This file may be licensed under the terms of the
 * GNU Lesser General Public License Version 3 (the ``LGPL''),
 * or (at your option) any later version.
 *
 * Software distributed under the License is distributed
 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
 * express or implied. See the LGPL for the specific language
 * governing rights and limitations.
 *
 * You should have received a copy of the LGPL along with this
 * program. If not, go to http://www.gnu.org/licenses/lgpl.html
 * or write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The development of this software was supported by:
 *   CoR-Lab, Research Institute for Cognition and Robotics
 *     Bielefeld University
 *
 * ============================================================ */

#pragma once

#include <map>

#include <boost/shared_ptr.hpp>
#include <boost/thread/thread.hpp>

#include <boost/asio.hpp>
#include <boost/asio/ip/tcp.hpp>

#include <rsc/logging/Logger.h>

#include <rsc/patterns/Singleton.h>

#include "../AsioServiceContext.h"
#include "Bus.h"
#include "BusServer.h"
#include "Types.h"

namespace rsb {
namespace transport {
namespace socket {

class RSB_EXPORT Factory {
public:
    Factory();
    ~Factory();

    BusPtr getBus(const Server&          serverMode,
                  const std::string&     host,
                  const boost::uint16_t& port,
                  bool                   tcpnodelay);

private:
    typedef std::pair<std::string, boost::uint16_t>          Endpoint;
    typedef boost::shared_ptr<boost::asio::ip::tcp::socket>  SocketPtr;

    typedef boost::shared_ptr<boost::asio::io_service::work> WorkPtr;

    typedef std::map<Endpoint, boost::weak_ptr<Bus> >        BusClientMap;
    typedef std::map<Endpoint, boost::weak_ptr<BusServer> >  BusServerMap;

    rsc::logging::LoggerPtr logger;

    BusClientMap            busClients;
    BusServerMap            busServers;
    boost::mutex            busMutex;

    AsioServiceContextPtr   asioService;

    BusPtr getBusClientFor(const std::string& host,
                           boost::uint16_t    port,
                           bool               tcpnodelay);

    BusServerPtr getBusServerFor(const std::string& host,
                                 boost::uint16_t    port,
                                 bool               tcpnodelay);

    static void checkOptions(BusPtr bus, bool tcpnodelay);

    template<class BusType>
    boost::shared_ptr<BusType> searchInMap(const Endpoint& endpoint,
            bool tcpnodelay,
            std::map<Endpoint, boost::weak_ptr<BusType> >& map);
};

typedef boost::shared_ptr<Factory> FactoryPtr;

RSB_EXPORT FactoryPtr getDefaultFactory();

}
}
}