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//
// Copyright © 2019 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "CommandHandler.hpp"
#include "ProfilingService.hpp"
#include <common/include/Logging.hpp>
#if defined(ARMNN_DISABLE_THREADS)
#include <common/include/IgnoreUnused.hpp>
#endif
namespace arm
{
namespace pipe
{
void CommandHandler::Start(IProfilingConnection& profilingConnection)
{
if (IsRunning())
{
return;
}
#if !defined(ARMNN_DISABLE_THREADS)
if (m_CommandThread.joinable())
{
m_CommandThread.join();
}
#endif
m_IsRunning.store(true);
m_KeepRunning.store(true);
#if !defined(ARMNN_DISABLE_THREADS)
m_CommandThread = std::thread(&CommandHandler::HandleCommands, this, std::ref(profilingConnection));
#else
IgnoreUnused(profilingConnection);
#endif
}
void CommandHandler::Stop()
{
m_KeepRunning.store(false);
#if !defined(ARMNN_DISABLE_THREADS)
if (m_CommandThread.joinable())
{
m_CommandThread.join();
}
#endif
}
void CommandHandler::HandleCommands(IProfilingConnection& profilingConnection)
{
do
{
try
{
arm::pipe::Packet packet = profilingConnection.ReadPacket(m_Timeout.load());
if (packet.IsEmpty())
{
// Nothing to do, continue
continue;
}
arm::pipe::Version version = m_PacketVersionResolver.ResolvePacketVersion(packet.GetPacketFamily(),
packet.GetPacketId());
arm::pipe::CommandHandlerFunctor* commandHandlerFunctor =
m_CommandHandlerRegistry.GetFunctor(packet.GetPacketFamily(),
packet.GetPacketId(),
version.GetEncodedValue());
ARM_PIPE_ASSERT(commandHandlerFunctor);
commandHandlerFunctor->operator()(packet);
}
catch (const arm::pipe::TimeoutException&)
{
if (m_StopAfterTimeout.load())
{
m_KeepRunning.store(false);
}
}
catch (const arm::pipe::ProfilingException& e)
{
// Log the error and continue
ARM_PIPE_LOG(warning) << "An error has occurred when handling a command: " << e.what();
// Did we get here because the socket failed?
if ( !profilingConnection.IsOpen() )
{
// We're going to stop processing commands.
// This will leave the thread idle. There is no mechanism to restart the profiling service when the
// connection is lost.
m_KeepRunning.store(false);
}
}
catch (...)
{
// Log the error and continue
ARM_PIPE_LOG(warning) << "An unknown error has occurred when handling a command";
// Did we get here because the socket failed?
if ( !profilingConnection.IsOpen() )
{
// We're going to stop processing commands.
// This will leave the thread idle. There is no mechanism to restart the profiling service when the
// connection is lost.
m_KeepRunning.store(false);
}
}
}
while (m_KeepRunning.load());
m_IsRunning.store(false);
}
} // namespace pipe
} // namespace arm
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