/*
 * ErrorPacket.h
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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/>.
 */

#ifndef MAD_NET_PACKETS_ERRORPACKET_H_
#define MAD_NET_PACKETS_ERRORPACKET_H_

#include "../Packet.h"
#include <Common/Exception.h>

namespace Mad {
namespace Net {
namespace Packets {

class ErrorPacket : public Packet {
  protected:
    struct ErrorData {
      uint32_t errorCode;
      uint32_t subCode;
      uint32_t subSubCode;
      uint8_t where[0];
    };

    ErrorData *errorData;

  public:
    ErrorPacket(Type type, uint16_t requestId, const Common::Exception &exception);

    ErrorPacket(const Packet &p) : Packet(p) {
      if(getLength() < sizeof(ErrorData))
        setLength(sizeof(ErrorData));

      errorData = (ErrorData*)&rawData->data;
    }

    ErrorPacket(const ErrorPacket &p) : Packet(p) {
      errorData = (ErrorData*)&rawData->data;
    }

    ErrorPacket& operator=(const Packet &p);

    ErrorPacket& operator=(const ErrorPacket &p) {
      return (*this = (Packet)p);
    }

    Common::Exception getException() const {
      return Common::Exception(
          std::string((char*)errorData->where, getLength()-sizeof(ErrorData)), (Common::Exception::ErrorCode)ntohl(errorData->errorCode),
          ntohl(errorData->subCode), ntohl(errorData->subSubCode)
      );
    }
};

}
}
}

#endif /* MAD_NET_PACKETS_ERRORPACKET_H_ */