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/*
* Packet.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 Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_NET_PACKET_H_
#define MAD_NET_PACKET_H_
#include "export.h"
#include <cstdlib>
#include <cstring>
#include <boost/cstdint.hpp>
#ifdef _WIN32
# include <winsock2.h>
#else
# include <netinet/in.h>
#endif
namespace Mad {
namespace Net {
class MAD_NET_EXPORT Packet {
public:
struct Header {
boost::uint32_t length;
boost::uint16_t requestId;
boost::uint16_t reserved;
};
protected:
Header *rawData;
public:
Packet(boost::uint16_t requestId, const void *data = 0, boost::uint32_t length = 0);
Packet(const Packet &p) {
rawData = reinterpret_cast<Header*>(std::malloc(p.getRawDataLength()));
std::memcpy(rawData, p.rawData, p.getRawDataLength());
}
virtual ~Packet() {
std::free(rawData);
}
Packet& operator=(const Packet &p);
boost::uint16_t getRequestId() const {
return ntohs(rawData->requestId);
}
boost::uint32_t getLength() const {
return ntohl(rawData->length);
}
const boost::uint8_t* getData() const {
return reinterpret_cast<boost::uint8_t*>(rawData)+sizeof(Header);
}
const boost::uint8_t* getRawData() const {
return reinterpret_cast<boost::uint8_t*>(rawData);
}
unsigned long getRawDataLength() const {
return sizeof(Header) + getLength();
}
};
}
}
#endif /*MAD_NET_PACKET_H_*/
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