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//
// Copyright © 2019 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <CommandHandlerRegistry.hpp>
#include <Packet.hpp>
#include <NetworkSockets.hpp>
#include <atomic>
#include <string>
#include <thread>
#include <TimelineDecoder.hpp>
#include <DirectoryCaptureCommandHandler.hpp>
#include <TimelineCaptureCommandHandler.hpp>
#include <TimelineDirectoryCaptureCommandHandler.hpp>
#include "PeriodicCounterCaptureCommandHandler.hpp"
#include "StreamMetadataCommandHandler.hpp"
#include "PacketVersionResolver.hpp"
namespace armnn
{
namespace gatordmock
{
enum class TargetEndianness
{
BeWire,
LeWire
};
enum class PacketDirection
{
Sending,
ReceivedHeader,
ReceivedData
};
/// A class that implements a Mock Gatord server. It will listen on a specified Unix domain socket (UDS)
/// namespace for client connections. It will then allow opertaions to manage coutners while receiving counter data.
class GatordMockService
{
public:
/// @param registry reference to a command handler registry.
/// @param echoPackets if true the raw packets will be printed to stdout.
GatordMockService(armnnUtils::Sockets::Socket clientConnection, bool echoPackets)
: m_ClientConnection(clientConnection)
, m_PacketsReceivedCount(0)
, m_EchoPackets(echoPackets)
, m_CloseReceivingThread(false)
, m_PacketVersionResolver()
, m_HandlerRegistry()
, m_TimelineDecoder()
, m_StreamMetadataCommandHandler(
0, 0, m_PacketVersionResolver.ResolvePacketVersion(0, 0).GetEncodedValue(), !echoPackets)
, m_CounterCaptureCommandHandler(
0, 4, m_PacketVersionResolver.ResolvePacketVersion(0, 4).GetEncodedValue(), !echoPackets)
, m_DirectoryCaptureCommandHandler(
0, 2, m_PacketVersionResolver.ResolvePacketVersion(0, 2).GetEncodedValue(), !echoPackets)
, m_TimelineCaptureCommandHandler(
1, 1, m_PacketVersionResolver.ResolvePacketVersion(1, 1).GetEncodedValue(), m_TimelineDecoder)
, m_TimelineDirectoryCaptureCommandHandler(
1, 0, m_PacketVersionResolver.ResolvePacketVersion(1, 0).GetEncodedValue(),
m_TimelineCaptureCommandHandler, !echoPackets)
{
m_TimelineDecoder.SetDefaultCallbacks();
m_HandlerRegistry.RegisterFunctor(&m_StreamMetadataCommandHandler);
m_HandlerRegistry.RegisterFunctor(&m_CounterCaptureCommandHandler);
m_HandlerRegistry.RegisterFunctor(&m_DirectoryCaptureCommandHandler);
m_HandlerRegistry.RegisterFunctor(&m_TimelineDirectoryCaptureCommandHandler);
m_HandlerRegistry.RegisterFunctor(&m_TimelineCaptureCommandHandler);
}
~GatordMockService()
{
// We have set SOCK_CLOEXEC on these sockets but we'll close them to be good citizens.
armnnUtils::Sockets::Close(m_ClientConnection);
}
/// Establish the Unix domain socket and set it to listen for connections.
/// @param udsNamespace the namespace (socket address) associated with the listener.
/// @return true only if the socket has been correctly setup.
static bool OpenListeningSocket(armnnUtils::Sockets::Socket listeningSocket,
const std::string udsNamespace,
const int numOfConnections = 1);
/// Once the connection is open wait to receive the stream meta data packet from the client. Reading this
/// packet differs from others as we need to determine endianness.
/// @return true only if a valid stream met data packet has been received.
bool WaitForStreamMetaData();
/// Send a connection acknowledged packet back to the client.
void SendConnectionAck();
/// Send a request counter directory packet back to the client.
void SendRequestCounterDir();
/// Send a activate timeline packet back to the client.
void SendActivateTimelinePacket();
/// Send a deactivate timeline packet back to the client.
void SendDeactivateTimelinePacket();
/// Start the thread that will receive all packets and print them nicely to stdout.
bool LaunchReceivingThread();
/// Return the total number of periodic counter capture packets received since the receive thread started.
/// @return number of periodic counter capture packets received.
uint32_t GetPacketsReceivedCount()
{
return m_PacketsReceivedCount.load(std::memory_order_acquire);
}
/// This is a placeholder method to prevent main exiting. It can be removed once the
/// command handling code is added.
void WaitForReceivingThread();
// @return true only if the receive thread is closed or closing.
bool ReceiveThreadRunning()
{
return !m_CloseReceivingThread.load();
}
/// Send the counter list to ArmNN.
void SendPeriodicCounterSelectionList(uint32_t period, std::vector<uint16_t> counters);
/// Execute the WAIT command from the comamnd file.
void WaitCommand(uint32_t timeout);
uint32_t GetStreamMetadataVersion()
{
return m_StreamMetaDataVersion;
}
uint32_t GetStreamMetadataMaxDataLen()
{
return m_StreamMetaDataMaxDataLen;
}
uint32_t GetStreamMetadataPid()
{
return m_StreamMetaDataPid;
}
profiling::DirectoryCaptureCommandHandler& GetDirectoryCaptureCommandHandler()
{
return m_DirectoryCaptureCommandHandler;
}
timelinedecoder::TimelineDecoder& GetTimelineDecoder()
{
return m_TimelineDecoder;
}
timelinedecoder::TimelineDirectoryCaptureCommandHandler& GetTimelineDirectoryCaptureCommandHandler()
{
return m_TimelineDirectoryCaptureCommandHandler;
}
private:
void ReceiveLoop(GatordMockService& mockService);
int MainLoop(armnn::profiling::CommandHandlerRegistry& registry, armnnUtils::Sockets::Socket m_ClientConnection);
/// Block on the client connection until a complete packet has been received. This is a placeholder function to
/// enable early testing of the tool.
/// @return true if a valid packet has been received.
armnn::profiling::Packet WaitForPacket(uint32_t timeoutMs);
armnn::profiling::Packet ReceivePacket();
bool SendPacket(uint32_t packetFamily, uint32_t packetId, const uint8_t* data, uint32_t dataLength);
void EchoPacket(PacketDirection direction, uint8_t* packet, size_t lengthInBytes);
bool ReadHeader(uint32_t headerAsWords[2]);
bool ReadFromSocket(uint8_t* packetData, uint32_t expectedLength);
uint32_t ToUint32(uint8_t* data, TargetEndianness endianness);
void InsertU32(uint32_t value, uint8_t* data, TargetEndianness endianness);
static const uint32_t PIPE_MAGIC = 0x45495434;
TargetEndianness m_Endianness;
uint32_t m_StreamMetaDataVersion;
uint32_t m_StreamMetaDataMaxDataLen;
uint32_t m_StreamMetaDataPid;
armnnUtils::Sockets::Socket m_ClientConnection;
std::atomic<uint32_t> m_PacketsReceivedCount;
bool m_EchoPackets;
std::thread m_ListeningThread;
std::atomic<bool> m_CloseReceivingThread;
profiling::PacketVersionResolver m_PacketVersionResolver;
profiling::CommandHandlerRegistry m_HandlerRegistry;
timelinedecoder::TimelineDecoder m_TimelineDecoder;
gatordmock::StreamMetadataCommandHandler m_StreamMetadataCommandHandler;
gatordmock::PeriodicCounterCaptureCommandHandler m_CounterCaptureCommandHandler;
profiling::DirectoryCaptureCommandHandler m_DirectoryCaptureCommandHandler;
timelinedecoder::TimelineCaptureCommandHandler m_TimelineCaptureCommandHandler;
timelinedecoder::TimelineDirectoryCaptureCommandHandler m_TimelineDirectoryCaptureCommandHandler;
};
} // namespace gatordmock
} // namespace armnn
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