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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 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_PACKET_H_
#define MAD_NET_PACKET_H_
#include <cstdlib>
#include <cstring>
#include <netinet/in.h>
namespace Mad {
namespace Net {
class Packet {
public:
enum Type {
TYPE_OK = 0x0000, TYPE_ERROR = 0x0001, TYPE_DISCONNECT = 0x0002,
TYPE_GSSAPI_AUTH = 0x0010, TYPE_IDENTIFY = 0x0011
};
struct Data {
unsigned short type;
unsigned short requestId;
unsigned short reserved;
unsigned short length;
unsigned char data[0];
};
protected:
Data *rawData;
public:
Packet(Type type, unsigned short requestId, const void *data = NULL, unsigned short length = 0) {
rawData = (Data*)std::malloc(sizeof(Data)+length);
rawData->type = htons(type);
rawData->requestId = htons(requestId);
rawData->reserved = 0;
rawData->length = htons(length);
if(length)
std::memcpy(rawData->data, data, length);
}
Packet(const Packet &p) {
rawData = (Data*)std::malloc(p.getRawDataLength());
std::memcpy(rawData, p.rawData, p.getRawDataLength());
}
Packet& operator=(Packet &p) {
if(&p == this)
return *this;
std::free(rawData);
rawData = (Data*)std::malloc(p.getRawDataLength());
std::memcpy(rawData, p.rawData, p.getRawDataLength());
return *this;
}
virtual ~Packet() {
std::free(rawData);
}
Type getType() const {
return (Type)ntohs(rawData->type);
}
unsigned short getRequestId() const {
return ntohs(rawData->requestId);
}
unsigned short getLength() const {
return ntohs(rawData->length);
}
const unsigned char* getData() const {
return rawData->data;
}
const Data* getRawData() const {
return rawData;
}
unsigned long getRawDataLength() const {
return sizeof(Data) + ntohs(rawData->length);
}
};
}
}
#endif /*MAD_NET_PACKET_H_*/
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