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Diffstat (limited to 'profiling/server/src/basePipeServer/BasePipeServer.hpp')
| -rw-r--r-- | profiling/server/src/basePipeServer/BasePipeServer.hpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/profiling/server/src/basePipeServer/BasePipeServer.hpp b/profiling/server/src/basePipeServer/BasePipeServer.hpp new file mode 100644 index 0000000000..a150d76278 --- /dev/null +++ b/profiling/server/src/basePipeServer/BasePipeServer.hpp @@ -0,0 +1,117 @@ +// +// Copyright © 2020 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +//#include <NetworkSockets> +#include <string> +#include <atomic> +#include "../../../../src/armnnUtils/NetworkSockets.hpp" +#include "../../../../src/profiling/Packet.hpp" +#include "common/include/SocketConnectionException.hpp" + +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; + static const uint32_t PIPE_MAGIC = 0x45495434; + + uint32_t m_StreamMetaDataVersion; + uint32_t m_StreamMetaDataMaxDataLen; + uint32_t m_StreamMetaDataPid; +}; + +} // namespace armnnProfiling
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