From bc62605b8f4592881dcc6eb74b5d7af089ae3fd0 Mon Sep 17 00:00:00 2001
From: Nikhil Raj <nikhil.raj@arm.com>
Date: Thu, 15 Aug 2019 15:49:45 +0100
Subject: IVGCVSW-3415 Create the Packet Class

Change-Id: Ie59e82e7f87f5ba6496aa8579bc9d40360d90999
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
---
 CMakeLists.txt                        |  2 ++
 src/profiling/Packet.cpp              | 41 +++++++++++++++++++++++++++++++
 src/profiling/Packet.hpp              | 45 +++++++++++++++++++++++++++++++++++
 src/profiling/test/ProfilingTests.cpp | 22 +++++++++++++++++
 4 files changed, 110 insertions(+)
 create mode 100644 src/profiling/Packet.cpp
 create mode 100644 src/profiling/Packet.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 66b8cf4a10..b098a0ac90 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -413,6 +413,8 @@ list(APPEND armnn_sources
     src/armnn/optimizations/SquashEqualSiblings.hpp
     src/profiling/CommandHandlerKey.cpp
     src/profiling/CommandHandlerKey.hpp
+    src/profiling/Packet.cpp
+    src/profiling/Packet.hpp
     third-party/half/half.hpp
     )
 
diff --git a/src/profiling/Packet.cpp b/src/profiling/Packet.cpp
new file mode 100644
index 0000000000..97cb89b517
--- /dev/null
+++ b/src/profiling/Packet.cpp
@@ -0,0 +1,41 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "Packet.hpp"
+
+std::uint32_t Packet::GetHeader() const
+{
+    return m_Header;
+}
+
+std::uint32_t Packet::GetPacketFamily() const
+{
+    return m_PacketFamily;
+}
+
+std::uint32_t Packet::GetPacketId() const
+{
+    return m_PacketId;
+}
+
+std::uint32_t Packet::GetLength() const
+{
+    return m_Length;
+}
+
+const char* Packet::GetData()
+{
+    return m_Data;
+}
+
+std::uint32_t Packet::GetPacketClass() const
+{
+    return (m_PacketId >> 3);
+}
+
+std::uint32_t Packet::GetPacketType() const
+{
+    return (m_PacketId & 7);
+}
\ No newline at end of file
diff --git a/src/profiling/Packet.hpp b/src/profiling/Packet.hpp
new file mode 100644
index 0000000000..0d2ba42af5
--- /dev/null
+++ b/src/profiling/Packet.hpp
@@ -0,0 +1,45 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+
+#include <boost/log/trivial.hpp>
+
+#include <armnn/Exceptions.hpp>
+
+class Packet
+{
+public:
+    Packet(uint32_t header, uint32_t length, const char* data)
+    : m_Header(header), m_Length(length), m_Data(data)
+          {
+              m_PacketId = ((header >> 16) & 1023);
+              m_PacketFamily = (header >> 26);
+
+             if (length == 0)
+             {
+                 if (m_Data != nullptr)
+                 {
+                     throw armnn::Exception("Data should be null");
+                 }
+             }
+          };
+
+    uint32_t GetHeader() const;
+    uint32_t GetPacketFamily() const;
+    uint32_t GetPacketId() const;
+    uint32_t GetLength() const;
+    const char* GetData();
+
+    uint32_t GetPacketClass() const;
+    uint32_t GetPacketType() const;
+
+private:
+    uint32_t m_Header;
+    uint32_t m_PacketFamily;
+    uint32_t m_PacketId;
+    uint32_t m_Length;
+    const char* m_Data;
+};
\ No newline at end of file
diff --git a/src/profiling/test/ProfilingTests.cpp b/src/profiling/test/ProfilingTests.cpp
index 5abab2fb78..1ea8ab96a2 100644
--- a/src/profiling/test/ProfilingTests.cpp
+++ b/src/profiling/test/ProfilingTests.cpp
@@ -4,7 +4,10 @@
 //
 
 #include "../CommandHandlerKey.hpp"
+#include "../Packet.hpp"
 
+#include <cstdint>
+#include <cstring>
 #include <boost/test/unit_test.hpp>
 
 BOOST_AUTO_TEST_SUITE(ExternalProfiling)
@@ -56,4 +59,23 @@ BOOST_AUTO_TEST_CASE(CheckCommandHandlerKeyComparisons)
     BOOST_CHECK(vect == expectedVect);
 }
 
+BOOST_AUTO_TEST_CASE(CheckPacketClass)
+{
+    const char* data = "test";
+    unsigned int length = static_cast<unsigned int>(std::strlen(data));
+
+    Packet packetTest1(472580096,length,data);
+    BOOST_CHECK_THROW(Packet packetTest2(472580096,0,""), armnn::Exception);
+
+    Packet packetTest3(472580096,0, nullptr);
+
+    BOOST_CHECK(packetTest1.GetLength() == length);
+    BOOST_CHECK(packetTest1.GetData() == data);
+
+    BOOST_CHECK(packetTest1.GetPacketFamily() == 7);
+    BOOST_CHECK(packetTest1.GetPacketId() == 43);
+    BOOST_CHECK(packetTest1.GetPacketType() == 3);
+    BOOST_CHECK(packetTest1.GetPacketClass() == 5);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
-- 
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