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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
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 3 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, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plNetTransport_h
#define plNetTransport_h
#include "hsTypes.h"
#include "hsStlUtils.h"
//
// The transport class handles the details of sending net msgs to
// the server or to groups of clients (members).
// It hides whether we are playing in P2P mode or C/S mode.
// It is currently used only clientside but is general enough to
// be used by a server as well.
//
class plKey;
class plNetTransportMember;
typedef std::vector<plNetTransportMember*> plMembersList;
class plNetMessage;
class plNetTransport
{
private:
plMembersList fMembers; // master list of all members in the game, server is member[0]
std::vector<plMembersList> fChannelGroups; // members grouped by channel
void IUnSubscribeToAllChannelGrps(plNetTransportMember* mbr);
void IRemoveMember(plNetTransportMember* mbr);
public:
plNetTransport() {}
~plNetTransport();
void DumpState();
// master list ops
void GetMemberListDistSorted(plNetTransportMember**& listPtr) const; // allocates and sorts array
int FindMember(const plKey avKey) const; // return array index or -1
int FindMember(UInt32 playerID) const; // return array index or -1
int FindMember(const plNetTransportMember* mbr); // return array index or -1
int AddMember(plNetTransportMember* mbr); // to master list, if not there
hsBool RemoveMember(plNetTransportMember* mbr); // from master list and all channels
hsBool RemoveMember(int idx); // from master list and all channels
int GetNumMembers() const { return fMembers.size(); }
plNetTransportMember* GetMember(int i) const { return i>=0 && i<fMembers.size() ? fMembers[i] : nil; }
void ClearMembers();
// channel group ops
void SubscribeToChannelGrp(plNetTransportMember* mbr, int channel);
hsBool UnSubscribeToChannelGrp(plNetTransportMember* mbr, int channel);
void GetSubscriptions(plNetTransportMember* mbr, std::vector<int>* channels) const;
void ClearChannelGrp(int channel);
void SetNumChannels(int n);
int SendMsg(int channel, plNetMessage* msg) const;
};
#endif // plNetTransport_h