ConnectionGraph2.h

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/*
 *  Original work: Copyright (c) 2014, Oculus VR, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  RakNet License.txt file in the licenses directory of this source tree. An additional grant 
 *  of patent rights can be found in the RakNet Patents.txt file in the same directory.
 *
 *
 *  Modified work: Copyright (c) 2017, SLikeSoft UG (haftungsbeschränkt)
 *
 *  This source code was modified by SLikeSoft. Modifications are licensed under the MIT-style
 *  license found in the license.txt file in the root directory of this source tree.
 */



#include "NativeFeatureIncludes.h"
#if _RAKNET_SUPPORT_ConnectionGraph2==1

#ifndef __CONNECTION_GRAPH_2_H
#define __CONNECTION_GRAPH_2_H

#include "memoryoverride.h"
#include "types.h"
#include "PluginInterface2.h"
#include "DS_List.h"
#include "DS_WeightedGraph.h"
#include "GetTime.h"
#include "Export.h"

namespace SLNet
{
class RakPeerInterface;

class RAK_DLL_EXPORT ConnectionGraph2 : public PluginInterface2
{
public:

    // GetInstance() and DestroyInstance(instance*)
    STATIC_FACTORY_DECLARATIONS(ConnectionGraph2)

    ConnectionGraph2();
    ~ConnectionGraph2();

    bool GetConnectionListForRemoteSystem(RakNetGUID remoteSystemGuid, SystemAddress *saOut, RakNetGUID *guidOut, unsigned int *outLength);

    bool ConnectionExists(RakNetGUID g1, RakNetGUID g2);

    uint16_t GetPingBetweenSystems(RakNetGUID g1, RakNetGUID g2) const;

    RakNetGUID GetLowestAveragePingSystem(void) const;

    void SetAutoProcessNewConnections(bool b);

    bool GetAutoProcessNewConnections(void) const;

    void AddParticipant(const SystemAddress &systemAddress, RakNetGUID rakNetGUID);

    void GetParticipantList(DataStructures::OrderedList<RakNetGUID, RakNetGUID> &participantList);

    struct SystemAddressAndGuid
    {
        SystemAddress systemAddress;
        RakNetGUID guid;
        uint16_t sendersPingToThatSystem;
    };
    static int SystemAddressAndGuidComp( const SystemAddressAndGuid &key, const SystemAddressAndGuid &data );

    struct RemoteSystem
    {
        DataStructures::OrderedList<SystemAddressAndGuid,SystemAddressAndGuid,ConnectionGraph2::SystemAddressAndGuidComp> remoteConnections;
        RakNetGUID guid;
    };
    static int RemoteSystemComp( const RakNetGUID &key, RemoteSystem * const &data );
    
protected:
    virtual void OnClosedConnection(const SystemAddress &systemAddress, RakNetGUID rakNetGUID, PI2_LostConnectionReason lostConnectionReason );
    virtual void OnNewConnection(const SystemAddress &systemAddress, RakNetGUID rakNetGUID, bool isIncoming);
    virtual PluginReceiveResult OnReceive(Packet *packet);

    // List of systems I am connected to, which in turn stores which systems they are connected to
    DataStructures::OrderedList<RakNetGUID, RemoteSystem*, ConnectionGraph2::RemoteSystemComp> remoteSystems;

    bool autoProcessNewConnections;

};

} // namespace SLNet

#endif // #ifndef __CONNECTION_GRAPH_2_H

#endif // _RAKNET_SUPPORT_*