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//
// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "CommandHandlerFunctor.hpp"
#include "CommandHandlerKey.hpp"
#include <functional>
#include <unordered_map>
namespace arm
{
namespace pipe
{
struct CommandHandlerHash
{
std::size_t operator() (const CommandHandlerKey& commandHandlerKey) const
{
std::size_t seed = 0;
std::hash<uint32_t> hasher;
seed ^= hasher(commandHandlerKey.GetPacketId()) + 0x9e3779b9 + (seed<<6) + (seed>>2);
seed ^= hasher(commandHandlerKey.GetVersion()) + 0x9e3779b9 + (seed<<6) + (seed>>2);
return seed;
}
};
class CommandHandlerRegistry
{
public:
CommandHandlerRegistry() = default;
void RegisterFunctor(CommandHandlerFunctor* functor, uint32_t familyId, uint32_t packetId, uint32_t version);
void RegisterFunctor(CommandHandlerFunctor* functor);
CommandHandlerFunctor* GetFunctor(uint32_t familyId, uint32_t packetId, uint32_t version) const;
private:
std::unordered_map<CommandHandlerKey, CommandHandlerFunctor*, CommandHandlerHash> registry;
};
} // namespace pipe
} // namespace arm
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