IVGCVSW-4595 Add IFileOnlyPacketHandlers to file only profiling connection

Change-Id: Ib49a8cbbf323da4109cdab9750e6c4d276e484b7
Signed-off-by: Jim Flynn <jim.flynn@arm.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/include/armnn/profiling/ILocalPacketHandler.hpp b/include/armnn/profiling/ILocalPacketHandler.hpp
new file mode 100644
index 0000000000..a2b9d5fd56
--- /dev/null
+++ b/include/armnn/profiling/ILocalPacketHandler.hpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+
+#include <armnn/utility/IgnoreUnused.hpp>
+
+#include <cstdint>
+#include <memory>
+#include <vector>
+
+namespace armnn
+{
+
+namespace profiling
+{
+// forward declare to prevent a circular dependency
+class Packet;
+class IProfilingConnection;
+
+class ILocalPacketHandler
+{
+public:
+    virtual ~ILocalPacketHandler() {};
+
+    /// @return lists the headers of the packets that this handler accepts
+    ///         only these packets will get sent to this handler.
+    ///         If this function returns an empty list then ALL packets
+    ///         will be sent to the PacketHandler i.e. a universal handler.
+    virtual std::vector<uint32_t> GetHeadersAccepted() = 0;
+
+    /// process the packet
+    virtual void HandlePacket(const Packet& packet) = 0;
+
+    /// Set a profiling connection on the handler. Only need to implement this
+    /// function if the handler will be writing data back to the profiled application.
+    virtual void SetConnection(IProfilingConnection* profilingConnection) {armnn::IgnoreUnused(profilingConnection);}
+};
+
+using ILocalPacketHandlerPtr = std::unique_ptr<ILocalPacketHandler>;
+using ILocalPacketHandlerSharedPtr = std::shared_ptr<ILocalPacketHandler>;
+
+} // namespace profiling
+
+} // namespace armnn
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