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