| // |
| // Copyright © 2020 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #pragma once |
| |
| #include <NetworkSockets.hpp> |
| #include <Packet.hpp> |
| #include <SocketConnectionException.hpp> |
| |
| #include <string> |
| #include <atomic> |
| |
| namespace armnnProfiling |
| { |
| |
| enum class TargetEndianness |
| { |
| BeWire, |
| LeWire |
| }; |
| |
| enum class PacketDirection |
| { |
| Sending, |
| ReceivedHeader, |
| ReceivedData |
| }; |
| class ConnectionHandler; |
| |
| class BasePipeServer |
| { |
| |
| public: |
| |
| BasePipeServer(armnnUtils::Sockets::Socket clientConnection, bool echoPackets) |
| : m_ClientConnection(clientConnection) |
| , m_EchoPackets(echoPackets) |
| {} |
| |
| ~BasePipeServer() |
| { |
| // We have set SOCK_CLOEXEC on this socket but we'll close it to be good citizens. |
| armnnUtils::Sockets::Close(m_ClientConnection); |
| } |
| |
| BasePipeServer(const BasePipeServer&) = delete; |
| BasePipeServer& operator=(const BasePipeServer&) = delete; |
| |
| BasePipeServer(BasePipeServer&&) = delete; |
| BasePipeServer& operator=(BasePipeServer&&) = delete; |
| |
| /// Close the client connection |
| /// @return 0 if successful |
| int Close() |
| { |
| return armnnUtils::Sockets::Close(m_ClientConnection); |
| } |
| |
| /// Send a packet to the client |
| /// @return true if a valid packet has been sent. |
| bool SendPacket(uint32_t packetFamily, uint32_t packetId, const uint8_t* data, uint32_t dataLength); |
| |
| /// Set the client socket to nonblocking |
| /// @return true if successful. |
| bool SetNonBlocking() |
| { |
| return armnnUtils::Sockets::SetNonBlocking(m_ClientConnection); |
| } |
| |
| /// Block on the client connection until a complete packet has been received. |
| /// @return true if a valid packet has been received. |
| armnn::profiling::Packet WaitForPacket(uint32_t timeoutMs); |
| |
| /// 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 meta data packet has been received. |
| bool WaitForStreamMetaData(); |
| |
| uint32_t GetStreamMetadataVersion() |
| { |
| return m_StreamMetaDataVersion; |
| } |
| |
| uint32_t GetStreamMetadataMaxDataLen() |
| { |
| return m_StreamMetaDataMaxDataLen; |
| } |
| |
| uint32_t GetStreamMetadataPid() |
| { |
| return m_StreamMetaDataPid; |
| } |
| |
| private: |
| |
| void EchoPacket(PacketDirection direction, uint8_t* packet, size_t lengthInBytes); |
| bool ReadFromSocket(uint8_t* packetData, uint32_t expectedLength); |
| bool ReadHeader(uint32_t headerAsWords[2]); |
| |
| armnn::profiling::Packet ReceivePacket(); |
| |
| uint32_t ToUint32(uint8_t* data, TargetEndianness endianness); |
| void InsertU32(uint32_t value, uint8_t* data, TargetEndianness endianness); |
| |
| armnnUtils::Sockets::Socket m_ClientConnection; |
| bool m_EchoPackets; |
| TargetEndianness m_Endianness; |
| |
| uint32_t m_StreamMetaDataVersion; |
| uint32_t m_StreamMetaDataMaxDataLen; |
| uint32_t m_StreamMetaDataPid; |
| }; |
| |
| } // namespace armnnProfiling |