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/*
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
*
* 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 2 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 PacketsBase_h__
#define PacketsBase_h__
#include "AuthCodes.h"
#include "BitStream.h"
#include "Common.h"
#include "Errors.h"
#include "PacketsCommon.h"
#include <string>
#include <boost/asio/ip/tcp.hpp>
using boost::asio::ip::tcp;
namespace Battlenet
{
class BitStream;
class Session;
enum Channel
{
AUTHENTICATION = 0,
CONNECTION = 1,
WOWREALM = 2,
FRIENDS = 3,
PRESENCE = 4,
CHAT = 5,
SUPPORT = 7,
ACHIEVEMENT = 8,
CACHE = 11,
PROFILE = 14
};
struct PacketHeader : public PrintableComponent
{
PacketHeader(uint32 opcode, uint32 channel) : Command(opcode), Channel(channel) { }
PacketHeader() : Command(0), Channel(AUTHENTICATION) { }
uint32 Command;
int32 Channel;
bool operator<(PacketHeader const& right) const
{
if (Command < right.Command)
return true;
if (Command > right.Command)
return false;
return Channel < right.Channel;
}
bool operator==(PacketHeader const& right) const
{
return Command == right.Command && Channel == right.Channel;
}
std::string ToString() const override;
};
class Packet : public PrintableComponent
{
public:
Packet(PacketHeader const& header, BitStream& stream) : _header(header), _stream(stream) { }
virtual ~Packet() { }
PacketHeader const& GetHeader() const { return _header; }
virtual void Write() = 0;
virtual void Read() = 0;
protected:
PacketHeader _header;
BitStream& _stream;
private:
Packet(Packet const& right) = delete;
Packet& operator=(Packet const& right) = delete;
};
class ClientPacket : public Packet
{
public:
ClientPacket(PacketHeader const& header, BitStream& stream) : Packet(header, stream) { }
void Write() override final { ASSERT(!"Write not implemented for client packets."); }
virtual void CallHandler(Session* session);
};
class ServerPacket : public Packet
{
public:
ServerPacket(PacketHeader const& header);
~ServerPacket();
void Read() override final { ASSERT(!"Read not implemented for server packets."); }
uint8* GetData() { return _stream.GetBuffer(); }
uint8 const* GetData() const { return _stream.GetBuffer(); }
size_t GetSize() const { return _stream.GetSize(); }
};
}
#endif // PacketsBase_h__
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