space/src/LocalForwarder.hpp

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/*  Sirikata
 *  LocalForwarder.hpp
 *
 *  Copyright (c) 2009, Ewen Cheslack-Postava
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of Sirikata nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SIRIKATA_LOCAL_FORWARDER_HPP_
#define _SIRIKATA_LOCAL_FORWARDER_HPP_

#include <sirikata/core/util/Platform.hpp>
#include <sirikata/core/service/PollingService.hpp>
#include <sirikata/core/util/AtomicTypes.hpp>
#include "ObjectConnection.hpp"

namespace Sirikata {

class LocalForwarder : public PollingService {
  public:
    LocalForwarder(SpaceContext* ctx);

    void addActiveConnection(ObjectConnection* conn);

    void removeActiveConnection(const UUID& objid);

    bool tryForward(Sirikata::Protocol::Object::ObjectMessage* msg);
  private:

    virtual void poll();

    typedef std::tr1::unordered_map<UUID, ObjectConnection*, UUID::Hasher> ObjectConnectionMap;

    SpaceContext* mContext;
    ObjectConnectionMap mActiveConnections;
    boost::mutex mMutex;
    // Stats, reported as x per second
    Time mLastStatsTime;
    const String mTimeSeriesForwardedName;
    AtomicValue<uint32> mNumForwarded;
    const String mTimeSeriesDroppedName;
    AtomicValue<uint32> mNumDropped;
};

} // namespace Sirikata

#endif //_SIRIKATA_LOCAL_FORWARDER_HPP_