mirror of
https://github.com/EQEmu/Server.git
synced 2025-12-11 21:01:29 +00:00
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
#ifndef STRUCTSTRATEGY_H_
|
|
#define STRUCTSTRATEGY_H_
|
|
|
|
class EQApplicationPacket;
|
|
class EQStreamInterface;
|
|
#include "emu_opcodes.h"
|
|
#include "emu_versions.h"
|
|
|
|
#include <string>
|
|
#include <memory>
|
|
|
|
class StructStrategy {
|
|
public:
|
|
//the encoder takes ownership of the supplied packet, and may enqueue multiple resulting packets into the stream
|
|
typedef void(*Encoder)(EQApplicationPacket **p, std::shared_ptr<EQStreamInterface> dest, bool ack_req);
|
|
//the decoder may only edit the supplied packet, producing a single packet for eqemu to consume.
|
|
typedef void (*Decoder)(EQApplicationPacket *p);
|
|
|
|
StructStrategy();
|
|
virtual ~StructStrategy() {}
|
|
|
|
//this method takes an eqemu struct, and enqueues the produced structs into the stream.
|
|
void Encode(EQApplicationPacket **p, std::shared_ptr<EQStreamInterface> dest, bool ack_req) const;
|
|
//this method takes an EQ wire struct, and converts it into an eqemu struct
|
|
void Decode(EQApplicationPacket *p) const;
|
|
|
|
virtual std::string Describe() const = 0;
|
|
virtual const EQ::versions::ClientVersion ClientVersion() const = 0;
|
|
|
|
protected:
|
|
//some common coders:
|
|
//Print an error saying unknown struct/opcode and drop it
|
|
static void ErrorEncoder(EQApplicationPacket **p, std::shared_ptr<EQStreamInterface> dest, bool ack_req);
|
|
static void ErrorDecoder(EQApplicationPacket *p);
|
|
//pass the packet through without modification (emu == EQ) (default)
|
|
static void PassEncoder(EQApplicationPacket **p, std::shared_ptr<EQStreamInterface> dest, bool ack_req);
|
|
static void PassDecoder(EQApplicationPacket *p);
|
|
|
|
Encoder encoders[_maxEmuOpcode];
|
|
Decoder decoders[_maxEmuOpcode];
|
|
};
|
|
|
|
//effectively a singleton, but I decided to do it this way for no apparent reason.
|
|
namespace StructStrategyFactory {
|
|
void RegisterPatch(EmuOpcode first_opcode, const StructStrategy *structs);
|
|
};
|
|
|
|
|
|
#endif /*STRUCTSTRATEGY_H_*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|