Finn Williams | 2ed809c | 2020-04-20 21:21:07 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
Finn Williams | 9937f93 | 2020-04-29 12:00:24 +0100 | [diff] [blame^] | 8 | #include "common/include/NetworkSockets.hpp" |
Finn Williams | 2ed809c | 2020-04-20 21:21:07 +0100 | [diff] [blame] | 9 | #include "../../../../src/profiling/Packet.hpp" |
| 10 | #include "common/include/SocketConnectionException.hpp" |
| 11 | |
Finn Williams | 9937f93 | 2020-04-29 12:00:24 +0100 | [diff] [blame^] | 12 | #include <string> |
| 13 | #include <atomic> |
| 14 | |
Finn Williams | 2ed809c | 2020-04-20 21:21:07 +0100 | [diff] [blame] | 15 | namespace armnnProfiling |
| 16 | { |
| 17 | |
| 18 | enum class TargetEndianness |
| 19 | { |
| 20 | BeWire, |
| 21 | LeWire |
| 22 | }; |
| 23 | |
| 24 | enum class PacketDirection |
| 25 | { |
| 26 | Sending, |
| 27 | ReceivedHeader, |
| 28 | ReceivedData |
| 29 | }; |
| 30 | class ConnectionHandler; |
| 31 | |
| 32 | class BasePipeServer |
| 33 | { |
| 34 | |
| 35 | public: |
| 36 | |
| 37 | BasePipeServer(armnnUtils::Sockets::Socket clientConnection, bool echoPackets) |
| 38 | : m_ClientConnection(clientConnection) |
| 39 | , m_EchoPackets(echoPackets) |
| 40 | {} |
| 41 | |
| 42 | ~BasePipeServer() |
| 43 | { |
| 44 | // We have set SOCK_CLOEXEC on this socket but we'll close it to be good citizens. |
| 45 | armnnUtils::Sockets::Close(m_ClientConnection); |
| 46 | } |
| 47 | |
| 48 | BasePipeServer(const BasePipeServer&) = delete; |
| 49 | BasePipeServer& operator=(const BasePipeServer&) = delete; |
| 50 | |
| 51 | BasePipeServer(BasePipeServer&&) = delete; |
| 52 | BasePipeServer& operator=(BasePipeServer&&) = delete; |
| 53 | |
| 54 | /// Close the client connection |
| 55 | /// @return 0 if successful |
| 56 | int Close() |
| 57 | { |
| 58 | return armnnUtils::Sockets::Close(m_ClientConnection); |
| 59 | } |
| 60 | |
| 61 | /// Send a packet to the client |
| 62 | /// @return true if a valid packet has been sent. |
| 63 | bool SendPacket(uint32_t packetFamily, uint32_t packetId, const uint8_t* data, uint32_t dataLength); |
| 64 | |
| 65 | /// Set the client socket to nonblocking |
| 66 | /// @return true if successful. |
| 67 | bool SetNonBlocking() |
| 68 | { |
| 69 | return armnnUtils::Sockets::SetNonBlocking(m_ClientConnection); |
| 70 | } |
| 71 | |
| 72 | /// Block on the client connection until a complete packet has been received. |
| 73 | /// @return true if a valid packet has been received. |
| 74 | armnn::profiling::Packet WaitForPacket(uint32_t timeoutMs); |
| 75 | |
| 76 | /// Once the connection is open wait to receive the stream meta data packet from the client. Reading this |
| 77 | /// packet differs from others as we need to determine endianness. |
| 78 | /// @return true only if a valid stream meta data packet has been received. |
| 79 | bool WaitForStreamMetaData(); |
| 80 | |
| 81 | uint32_t GetStreamMetadataVersion() |
| 82 | { |
| 83 | return m_StreamMetaDataVersion; |
| 84 | } |
| 85 | |
| 86 | uint32_t GetStreamMetadataMaxDataLen() |
| 87 | { |
| 88 | return m_StreamMetaDataMaxDataLen; |
| 89 | } |
| 90 | |
| 91 | uint32_t GetStreamMetadataPid() |
| 92 | { |
| 93 | return m_StreamMetaDataPid; |
| 94 | } |
| 95 | |
| 96 | private: |
| 97 | |
| 98 | void EchoPacket(PacketDirection direction, uint8_t* packet, size_t lengthInBytes); |
| 99 | bool ReadFromSocket(uint8_t* packetData, uint32_t expectedLength); |
| 100 | bool ReadHeader(uint32_t headerAsWords[2]); |
| 101 | |
| 102 | armnn::profiling::Packet ReceivePacket(); |
| 103 | |
| 104 | uint32_t ToUint32(uint8_t* data, TargetEndianness endianness); |
| 105 | void InsertU32(uint32_t value, uint8_t* data, TargetEndianness endianness); |
| 106 | |
| 107 | armnnUtils::Sockets::Socket m_ClientConnection; |
| 108 | bool m_EchoPackets; |
| 109 | TargetEndianness m_Endianness; |
| 110 | static const uint32_t PIPE_MAGIC = 0x45495434; |
| 111 | |
| 112 | uint32_t m_StreamMetaDataVersion; |
| 113 | uint32_t m_StreamMetaDataMaxDataLen; |
| 114 | uint32_t m_StreamMetaDataPid; |
| 115 | }; |
| 116 | |
| 117 | } // namespace armnnProfiling |