Eric Newberry
49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2018, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NFD_DAEMON_FACE_SOCKET_UTILS_HPP
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#define NFD_DAEMON_FACE_SOCKET_UTILS_HPP
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#include "core/common.hpp"
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namespace nfd {
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namespace face {
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/** \brief obtain send queue length from a specified system socket
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* \param fd file descriptor of the socket
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* \retval QUEUE_UNSUPPORTED this operation is unsupported on the current platform
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* \retval QUEUE_ERROR there was an error retrieving the send queue length
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*
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* On Linux, ioctl() is used to obtain the value of SIOCOUTQ from the socket.
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* On macOS, getsockopt() is used to obtain the value of SO_NWRITE from the socket.
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*/
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ssize_t
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getTxQueueLength(int fd);
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} // namespace face
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} // namespace nfd
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#endif // NFD_DAEMON_FACE_SOCKET_UTILS_HPP
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