| Yukai Tu | 0a49d34 | 2015-09-13 12:54:22 +0800 | [diff] [blame] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| 2 | /** |
| 3 | * Copyright (c) 2014-2015, Regents of the University of California, |
| 4 | * Arizona Board of Regents, |
| 5 | * Colorado State University, |
| 6 | * University Pierre & Marie Curie, Sorbonne University, |
| 7 | * Washington University in St. Louis, |
| 8 | * Beijing Institute of Technology, |
| 9 | * The University of Memphis. |
| 10 | * |
| 11 | * This file is part of NFD (Named Data Networking Forwarding Daemon). |
| 12 | * See AUTHORS.md for complete list of NFD authors and contributors. |
| 13 | * |
| 14 | * NFD is free software: you can redistribute it and/or modify it under the terms |
| 15 | * of the GNU General Public License as published by the Free Software Foundation, |
| 16 | * either version 3 of the License, or (at your option) any later version. |
| 17 | * |
| 18 | * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| 19 | * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| 20 | * PURPOSE. See the GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License along with |
| 23 | * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>. |
| 24 | */ |
| 25 | |
| 26 | #include "multicast-udp-transport.hpp" |
| 27 | |
| 28 | namespace nfd { |
| 29 | namespace face { |
| 30 | |
| 31 | NFD_LOG_INCLASS_2TEMPLATE_SPECIALIZATION_DEFINE(DatagramTransport, MulticastUdpTransport::protocol, |
| 32 | Multicast, "MulticastUdpTransport"); |
| 33 | |
| 34 | MulticastUdpTransport::MulticastUdpTransport(const protocol::endpoint& localEndpoint, |
| 35 | const protocol::endpoint& multicastGroup, |
| 36 | protocol::socket&& recvSocket, |
| 37 | protocol::socket&& sendSocket) |
| 38 | : DatagramTransport(std::move(recvSocket)) |
| 39 | , m_multicastGroup(multicastGroup) |
| 40 | , m_sendSocket(std::move(sendSocket)) |
| 41 | { |
| 42 | this->setLocalUri(FaceUri(localEndpoint)); |
| 43 | this->setRemoteUri(FaceUri(multicastGroup)); |
| 44 | this->setPersistency(ndn::nfd::FACE_PERSISTENCY_PERMANENT); |
| 45 | this->setLinkType(ndn::nfd::LINK_TYPE_MULTI_ACCESS); |
| 46 | |
| 47 | NFD_LOG_FACE_INFO("Creating transport"); |
| 48 | } |
| 49 | |
| 50 | void |
| 51 | MulticastUdpTransport::doSend(Transport::Packet&& packet) |
| 52 | { |
| 53 | NFD_LOG_FACE_TRACE(__func__); |
| 54 | |
| 55 | m_sendSocket.async_send_to(boost::asio::buffer(packet.packet), m_multicastGroup, |
| 56 | bind(&MulticastUdpTransport::handleSend, this, |
| 57 | boost::asio::placeholders::error, |
| 58 | boost::asio::placeholders::bytes_transferred, |
| 59 | packet.packet)); |
| 60 | } |
| 61 | |
| 62 | void |
| 63 | MulticastUdpTransport::doClose() |
| 64 | { |
| 65 | if (m_sendSocket.is_open()) { |
| 66 | NFD_LOG_FACE_TRACE("Closing sending socket"); |
| 67 | |
| 68 | // Cancel all outstanding operations and close the socket. |
| 69 | // Use the non-throwing variants and ignore errors, if any. |
| 70 | boost::system::error_code error; |
| 71 | m_sendSocket.cancel(error); |
| 72 | m_sendSocket.close(error); |
| 73 | } |
| 74 | |
| 75 | DatagramTransport::doClose(); |
| 76 | } |
| 77 | |
| 78 | } // namespace face |
| 79 | } // namespace nfd |