IVGCVSW-3971 Implement the Per-Job Counter Selection command handler

 * Added new PerJobCounterSelectionCommandHandler class
 * The new handler drops the incoming packet without altering the
   state of the profiling service
 * Added unit test

Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
Change-Id: I2b1bb803318a9e6c438391a0985893eb412e7787

1 files changed, 48 insertions, 0 deletions

diff --git a/src/profiling/PerJobCounterSelectionCommandHandler.cpp b/src/profiling/PerJobCounterSelectionCommandHandler.cpp
new file mode 100644
index 0000000000..8892e1457d
--- /dev/null
+++ b/src/profiling/PerJobCounterSelectionCommandHandler.cpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "PerJobCounterSelectionCommandHandler.hpp"
+
+#include <boost/format.hpp>
+
+namespace armnn
+{
+
+namespace profiling
+{
+
+void PerJobCounterSelectionCommandHandler::operator()(const Packet& packet)
+{
+    ProfilingState currentState = m_StateMachine.GetCurrentState();
+    switch (currentState)
+    {
+    case ProfilingState::Uninitialised:
+    case ProfilingState::NotConnected:
+    case ProfilingState::WaitingForAck:
+        throw RuntimeException(boost::str(boost::format("Per-Job Counter Selection Command Handler invoked while in "
+                                                        "an wrong state: %1%")
+                                          % GetProfilingStateName(currentState)));
+    case ProfilingState::Active:
+        // Process the packet
+        if (!(packet.GetPacketFamily() == 0u && packet.GetPacketId() == 5u))
+        {
+            throw armnn::InvalidArgumentException(boost::str(boost::format("Expected Packet family = 0, id = 5 but "
+                                                                           "received family = %1%, id = %2%")
+                                                  % packet.GetPacketFamily()
+                                                  % packet.GetPacketId()));
+        }
+
+        // Silently drop the packet
+
+        break;
+    default:
+        throw RuntimeException(boost::str(boost::format("Unknown profiling service state: %1%")
+                                          % static_cast<int>(currentState)));
+    }
+}
+
+} // namespace profiling
+
+} // namespace armnn