IProtocolHandler.h

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#pragma once

#include <memory>
#include "IProtocolMessage.h"
#include "common/Types.h"

namespace ai {

typedef uint8_t ClientId;

class IProtocolHandler {
public:
    virtual ~IProtocolHandler() {
    }

    virtual void execute(const ClientId& clientId, const IProtocolMessage& message) = 0;
};

template<class T>
class ProtocolHandler : public IProtocolHandler {
public:
    virtual ~ProtocolHandler ()
    {
    }

    void execute (const ClientId& clientId, const IProtocolMessage& message) override {
        const T *msg = ai_assert_cast<const T*>(&message);
        execute(clientId, msg);
    }

    virtual void execute (const ClientId& clientId, const T* message) = 0;
};

class NopHandler: public IProtocolHandler {
public:
    void execute(const ClientId& /*clientId*/, const IProtocolMessage& /*message*/) override {
    }
};

typedef std::shared_ptr<IProtocolHandler> ProtocolHandlerPtr;

struct ProtocolHandlerNopDeleter {
    void operator()(IProtocolHandler* /* ptr */) {
    }
};

}