IVGCVSW-3550 Create Command Handler Registry

Change-Id: I51e34068d79ba660ae2f16b22ad2bb8191d473fa
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/profiling/CommandHandlerRegistry.hpp b/src/profiling/CommandHandlerRegistry.hpp
new file mode 100644
index 0000000000..ba81f1790f
--- /dev/null
+++ b/src/profiling/CommandHandlerRegistry.hpp
@@ -0,0 +1,36 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "CommandHandlerFunctor.hpp"
+#include "CommandHandlerKey.hpp"
+
+#include <boost/functional/hash.hpp>
+#include <unordered_map>
+
+struct CommandHandlerHash
+{
+    std::size_t operator() (const CommandHandlerKey& commandHandlerKey) const
+    {
+        std::size_t seed = 0;
+        boost::hash_combine(seed, commandHandlerKey.GetPacketId());
+        boost::hash_combine(seed, commandHandlerKey.GetVersion());
+        return seed;
+    }
+};
+
+class CommandHandlerRegistry
+{
+public:
+    CommandHandlerRegistry() = default;
+
+    void RegisterFunctor(CommandHandlerFunctor* functor, uint32_t packetId, uint32_t version);
+
+    CommandHandlerFunctor* GetFunctor(uint32_t packetId, uint32_t version) const;
+
+private:
+    std::unordered_map<CommandHandlerKey, CommandHandlerFunctor*, CommandHandlerHash> registry;
+};
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