| // |
| // Copyright © 2020 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| #include "ConnectionHandler.hpp" |
| |
| #include <string.h> |
| |
| using namespace armnnUtils; |
| |
| namespace armnnProfiling |
| { |
| ConnectionHandler::ConnectionHandler(const std::string& udsNamespace, const bool setNonBlocking) |
| { |
| Sockets::Initialize(); |
| m_ListeningSocket = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0); |
| |
| if (-1 == m_ListeningSocket) |
| { |
| throw SocketConnectionException(": Socket construction failed: ", 1, 1); |
| } |
| |
| sockaddr_un udsAddress; |
| memset(&udsAddress, 0, sizeof(sockaddr_un)); |
| // We've set the first element of sun_path to be 0, skip over it and copy the namespace after it. |
| memcpy(udsAddress.sun_path + 1, udsNamespace.c_str(), strlen(udsNamespace.c_str())); |
| udsAddress.sun_family = AF_UNIX; |
| |
| // Bind the socket to the UDS namespace. |
| if (-1 == bind(m_ListeningSocket, reinterpret_cast<const sockaddr*>(&udsAddress), sizeof(sockaddr_un))) |
| { |
| throw SocketConnectionException(": Binding on socket failed: ", m_ListeningSocket, errno); |
| } |
| // Listen for connections. |
| if (-1 == listen(m_ListeningSocket, 1)) |
| { |
| throw SocketConnectionException(": Listen call on socket failed: ", m_ListeningSocket, errno); |
| } |
| |
| if (setNonBlocking) |
| { |
| Sockets::SetNonBlocking(m_ListeningSocket); |
| } |
| } |
| |
| std::unique_ptr<BasePipeServer> ConnectionHandler::GetNewBasePipeServer(const bool echoPackets) |
| { |
| armnnUtils::Sockets::Socket clientConnection = armnnUtils::Sockets::Accept(m_ListeningSocket, nullptr, nullptr, |
| SOCK_CLOEXEC); |
| if (clientConnection < 1) |
| { |
| return nullptr; |
| } |
| return std::make_unique<BasePipeServer>(clientConnection, echoPackets); |
| } |
| |
| } // namespace armnnProfiling |