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Davide Pesavento44deacc2014-02-19 10:48:07 +01001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/**
Alexander Afanasyev9bcbc7c2014-04-06 19:37:37 -07003 * Copyright (c) 2014 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 *
10 * This file is part of NFD (Named Data Networking Forwarding Daemon).
11 * See AUTHORS.md for complete list of NFD authors and contributors.
12 *
13 * NFD is free software: you can redistribute it and/or modify it under the terms
14 * of the GNU General Public License as published by the Free Software Foundation,
15 * either version 3 of the License, or (at your option) any later version.
16 *
17 * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
18 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
19 * PURPOSE. See the GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along with
22 * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
23 **/
Davide Pesavento44deacc2014-02-19 10:48:07 +010024
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080025#include "ethernet-factory.hpp"
Steve DiBenedettobf6a93d2014-03-21 14:03:02 -060026#include "core/logger.hpp"
Davide Pesavento44deacc2014-02-19 10:48:07 +010027#include "core/global-io.hpp"
Davide Pesaventob60cc122014-03-19 19:26:02 +010028#include "core/network-interface.hpp"
Davide Pesavento44deacc2014-02-19 10:48:07 +010029
30#include <boost/algorithm/string/predicate.hpp>
31#include <pcap/pcap.h>
32
33namespace nfd {
34
Davide Pesavento1bdef282014-04-08 20:59:50 +020035NFD_LOG_INIT("EthernetFactory");
Davide Pesavento44deacc2014-02-19 10:48:07 +010036
37shared_ptr<EthernetFace>
Davide Pesaventob60cc122014-03-19 19:26:02 +010038EthernetFactory::createMulticastFace(const shared_ptr<NetworkInterfaceInfo> &interface,
39 const ethernet::Address &address)
Davide Pesavento44deacc2014-02-19 10:48:07 +010040{
Davide Pesavento44deacc2014-02-19 10:48:07 +010041 if (!address.isMulticast())
42 throw Error(address.toString() + " is not a multicast address");
43
Davide Pesaventob60cc122014-03-19 19:26:02 +010044 const std::string& name = interface->name;
45 shared_ptr<EthernetFace> face = findMulticastFace(name, address);
Davide Pesavento44deacc2014-02-19 10:48:07 +010046 if (face)
47 return face;
48
49 shared_ptr<boost::asio::posix::stream_descriptor> socket =
50 make_shared<boost::asio::posix::stream_descriptor>(boost::ref(getGlobalIoService()));
51
52 face = make_shared<EthernetFace>(boost::cref(socket),
53 boost::cref(interface),
54 boost::cref(address));
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080055 face->onFail += bind(&EthernetFactory::afterFaceFailed,
Davide Pesaventob60cc122014-03-19 19:26:02 +010056 this, name, address);
57 m_multicastFaces[std::make_pair(name, address)] = face;
Davide Pesavento44deacc2014-02-19 10:48:07 +010058
59 return face;
60}
61
Davide Pesavento44deacc2014-02-19 10:48:07 +010062void
Davide Pesaventob60cc122014-03-19 19:26:02 +010063EthernetFactory::afterFaceFailed(const std::string& interfaceName,
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080064 const ethernet::Address& address)
Davide Pesavento44deacc2014-02-19 10:48:07 +010065{
Davide Pesaventob60cc122014-03-19 19:26:02 +010066 NFD_LOG_DEBUG("afterFaceFailed: " << interfaceName << "/" << address);
67 m_multicastFaces.erase(std::make_pair(interfaceName, address));
Davide Pesavento44deacc2014-02-19 10:48:07 +010068}
69
70shared_ptr<EthernetFace>
Davide Pesaventob60cc122014-03-19 19:26:02 +010071EthernetFactory::findMulticastFace(const std::string& interfaceName,
Alexander Afanasyevd6655302014-02-28 08:41:28 -080072 const ethernet::Address& address) const
Davide Pesavento44deacc2014-02-19 10:48:07 +010073{
Davide Pesaventob60cc122014-03-19 19:26:02 +010074 MulticastFacesMap::const_iterator i = m_multicastFaces.find(std::make_pair(interfaceName, address));
Davide Pesavento44deacc2014-02-19 10:48:07 +010075 if (i != m_multicastFaces.end())
76 return i->second;
77 else
78 return shared_ptr<EthernetFace>();
79}
80
Alexander Afanasyevd6655302014-02-28 08:41:28 -080081void
82EthernetFactory::createFace(const FaceUri& uri,
83 const FaceCreatedCallback& onCreated,
84 const FaceConnectFailedCallback& onConnectFailed)
85{
86 throw Error("EthernetFactory does not support 'createFace' operation");
87}
88
Davide Pesavento44deacc2014-02-19 10:48:07 +010089} // namespace nfd