tcp_content.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD 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, version 2.
 * OpenTTD 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 OpenTTD. If not, see <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef NETWORK_CORE_TCP_CONTENT_H
#define NETWORK_CORE_TCP_CONTENT_H
 
#include "os_abstraction.h"
#include "tcp.h"
#include "packet.h"
#include "../../debug.h"
#include "tcp_content_type.h"

enum class PacketContentType : uint8_t {
  ClientInfoList, 
  ClientInfoID, 
  ClientInfoExternalID, 
  ClientInfoExternalIDMD5, 
  ServerInfo, 
  ClientContent, 
  ServerContent, 
};

template <> struct IsEnumPacketType<PacketContentType> {
  static constexpr bool value = true; 
};

class NetworkContentSocketHandler : public NetworkTCPSocketHandler {
protected:
  bool ReceiveInvalidPacket(PacketContentType type);

  virtual bool ReceiveClientInfoList(Packet &p);

  virtual bool ReceiveClientInfoID(Packet &p);

  virtual bool ReceiveClientInfoExternalID(Packet &p);

  virtual bool ReceiveClientInfoExternalIDMD5(Packet &p);

  virtual bool ReceiveServerInfo(Packet &p);

  virtual bool ReceiveClientContent(Packet &p);

  virtual bool ReceiveServerContent(Packet &p);
 
  bool HandlePacket(Packet &p);
public:
  NetworkContentSocketHandler(SOCKET s = INVALID_SOCKET) :
    NetworkTCPSocketHandler(s)
  {
  }

  ~NetworkContentSocketHandler() override
  {
    /* Virtual functions get called statically in destructors, so make it explicit to remove any confusion. */
    this->CloseSocket();
  }
 
  bool ReceivePackets();
};
 
Subdirectory GetContentInfoSubDir(ContentType type);
 
#endif /* NETWORK_CORE_TCP_CONTENT_H */