| // |
| // Copyright © 2019 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include "SocketProfilingConnection.hpp" |
| |
| #include <fcntl.h> |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| #include <cerrno> |
| #include <string> |
| |
| namespace armnn |
| { |
| namespace profiling |
| { |
| |
| SocketProfilingConnection::SocketProfilingConnection() |
| { |
| memset(m_Socket, 0, sizeof(m_Socket)); |
| // Note: we're using Linux specific SOCK_CLOEXEC flag. |
| m_Socket[0].fd = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0); |
| if (m_Socket[0].fd == -1) |
| { |
| throw armnn::Exception(std::string(": Socket construction failed: ") + strerror(errno)); |
| } |
| |
| // Connect to the named unix domain socket. |
| struct sockaddr_un server{}; |
| memset(&server, 0, sizeof(sockaddr_un)); |
| // As m_GatorNamespace begins with a null character we need to ignore that when getting its length. |
| memcpy(server.sun_path, m_GatorNamespace, strlen(m_GatorNamespace + 1) + 1); |
| server.sun_family = AF_UNIX; |
| if (0 != connect(m_Socket[0].fd, reinterpret_cast<const sockaddr*>(&server), sizeof(sockaddr_un))) |
| { |
| close(m_Socket[0].fd); |
| throw armnn::Exception(std::string(": Cannot connect to stream socket: ") + strerror(errno)); |
| } |
| |
| // Our socket will only be interested in polling reads. |
| m_Socket[0].events = POLLIN; |
| |
| // Make the socket non blocking. |
| const int currentFlags = fcntl(m_Socket[0].fd, F_GETFL); |
| if (0 != fcntl(m_Socket[0].fd, F_SETFL, currentFlags | O_NONBLOCK)) |
| { |
| close(m_Socket[0].fd); |
| throw armnn::Exception(std::string(": Failed to set socket as non blocking: ") + strerror(errno)); |
| } |
| } |
| |
| bool SocketProfilingConnection::IsOpen() |
| { |
| // Dummy return value, function not implemented |
| return true; |
| } |
| |
| void SocketProfilingConnection::Close() |
| { |
| // Function not implemented |
| } |
| |
| bool SocketProfilingConnection::WritePacket(const char* buffer, uint32_t length) |
| { |
| // Dummy return value, function not implemented |
| return true; |
| } |
| |
| Packet SocketProfilingConnection::ReadPacket(uint32_t timeout) |
| { |
| // Dummy return value, function not implemented |
| return {472580096, 0, nullptr}; |
| } |
| |
| } // namespace profiling |
| } // namespace armnn |