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Diffstat (limited to 'tests/profiling/gatordmock/GatordMockService.hpp')
-rw-r--r-- | tests/profiling/gatordmock/GatordMockService.hpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/profiling/gatordmock/GatordMockService.hpp b/tests/profiling/gatordmock/GatordMockService.hpp new file mode 100644 index 0000000000..1aba2e8a09 --- /dev/null +++ b/tests/profiling/gatordmock/GatordMockService.hpp @@ -0,0 +1,149 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include <string> +#include <thread> +#include <atomic> + +#include "../../src/profiling/CommandHandlerRegistry.hpp" +#include "../../src/profiling/Packet.hpp" + +namespace armnn +{ + +namespace gatordmock +{ + +enum class TargetEndianness +{ + BeWire, LeWire +}; + +enum class PacketDirection +{ + Sending, Received +}; + +/// 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(armnn::profiling::CommandHandlerRegistry& registry, bool echoPackets) + : m_HandlerRegistry(registry) + , m_EchoPackets(echoPackets) + { + m_PacketsReceivedCount.store(0, std::memory_order_relaxed); + } + + ~GatordMockService() + { + // We have set SOCK_CLOEXEC on these sockets but we'll close them to be good citizens. + close(m_ClientConnection); + close(m_ListeningSocket); + } + + /// 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. + bool OpenListeningSocket(std::string udsNamespace); + + /// Block waiting to accept one client to connect to the UDS. + /// @return the file descriptor of the client connection. + int BlockForOneClient(); + + /// 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(); + + /// 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(); + + /// Send the counter list to ArmNN. + void SendPeriodicCounterSelectionList(uint period, std::vector<uint16_t> counters); + + /// Execute the WAIT command from the comamnd file. + void WaitCommand(uint timeout); + + uint32_t GetStreamMetadataVersion() + { + return m_StreamMetaDataVersion; + } + + uint32_t GetStreamMetadataMaxDataLen() + { + return m_StreamMetaDataMaxDataLen; + } + + uint32_t GetStreamMetadataPid() + { + return m_StreamMetaDataPid; + } + +private: + + void ReceiveLoop(GatordMockService& mockService); + + /// 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 u_char* data, uint32_t dataLength); + + void EchoPacket(PacketDirection direction, u_char* packet, size_t lengthInBytes); + + bool ReadHeader(uint32_t headerAsWords[2]); + + bool ReadFromSocket(u_char* packetData, uint32_t expectedLength); + + uint32_t ToUint32(u_char* data, TargetEndianness endianness); + + void InsertU32(uint32_t value, u_char* data, TargetEndianness endianness); + + static const uint32_t PIPE_MAGIC = 0x45495434; + + std::atomic<uint32_t> m_PacketsReceivedCount; + TargetEndianness m_Endianness; + uint32_t m_StreamMetaDataVersion; + uint32_t m_StreamMetaDataMaxDataLen; + uint32_t m_StreamMetaDataPid; + + armnn::profiling::CommandHandlerRegistry& m_HandlerRegistry; + + bool m_EchoPackets; + int m_ListeningSocket; + int m_ClientConnection; + std::thread m_ListeningThread; + std::atomic<bool> m_CloseReceivingThread; +}; +} // namespace gatordmock + +} // namespace armnn + + |