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Davide Pesavento44deacc2014-02-19 10:48:07 +01001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/**
Steve DiBenedettoef04f272014-06-04 14:28:31 -06003 * 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 * The University of Memphis
Alexander Afanasyev9bcbc7c2014-04-06 19:37:37 -070010 *
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/>.
Steve DiBenedettoef04f272014-06-04 14:28:31 -060024 */
Davide Pesavento44deacc2014-02-19 10:48:07 +010025
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080026#include "ethernet-factory.hpp"
Steve DiBenedettobf6a93d2014-03-21 14:03:02 -060027#include "core/logger.hpp"
Davide Pesavento44deacc2014-02-19 10:48:07 +010028#include "core/global-io.hpp"
Davide Pesaventob60cc122014-03-19 19:26:02 +010029#include "core/network-interface.hpp"
Davide Pesavento44deacc2014-02-19 10:48:07 +010030
31#include <boost/algorithm/string/predicate.hpp>
32#include <pcap/pcap.h>
33
34namespace nfd {
35
Davide Pesavento1bdef282014-04-08 20:59:50 +020036NFD_LOG_INIT("EthernetFactory");
Davide Pesavento44deacc2014-02-19 10:48:07 +010037
38shared_ptr<EthernetFace>
Davide Pesaventob60cc122014-03-19 19:26:02 +010039EthernetFactory::createMulticastFace(const shared_ptr<NetworkInterfaceInfo> &interface,
40 const ethernet::Address &address)
Davide Pesavento44deacc2014-02-19 10:48:07 +010041{
Davide Pesavento44deacc2014-02-19 10:48:07 +010042 if (!address.isMulticast())
43 throw Error(address.toString() + " is not a multicast address");
44
Davide Pesaventob60cc122014-03-19 19:26:02 +010045 const std::string& name = interface->name;
46 shared_ptr<EthernetFace> face = findMulticastFace(name, address);
Davide Pesavento44deacc2014-02-19 10:48:07 +010047 if (face)
48 return face;
49
50 shared_ptr<boost::asio::posix::stream_descriptor> socket =
Alexander Afanasyevf6980282014-05-13 18:28:40 -070051 make_shared<boost::asio::posix::stream_descriptor>(ref(getGlobalIoService()));
Davide Pesavento44deacc2014-02-19 10:48:07 +010052
Alexander Afanasyevf6980282014-05-13 18:28:40 -070053 face = make_shared<EthernetFace>(socket, interface, address);
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080054 face->onFail += bind(&EthernetFactory::afterFaceFailed,
Davide Pesaventob60cc122014-03-19 19:26:02 +010055 this, name, address);
56 m_multicastFaces[std::make_pair(name, address)] = face;
Davide Pesavento44deacc2014-02-19 10:48:07 +010057
58 return face;
59}
60
Davide Pesavento44deacc2014-02-19 10:48:07 +010061void
Davide Pesaventob60cc122014-03-19 19:26:02 +010062EthernetFactory::afterFaceFailed(const std::string& interfaceName,
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080063 const ethernet::Address& address)
Davide Pesavento44deacc2014-02-19 10:48:07 +010064{
Davide Pesaventob60cc122014-03-19 19:26:02 +010065 NFD_LOG_DEBUG("afterFaceFailed: " << interfaceName << "/" << address);
66 m_multicastFaces.erase(std::make_pair(interfaceName, address));
Davide Pesavento44deacc2014-02-19 10:48:07 +010067}
68
69shared_ptr<EthernetFace>
Davide Pesaventob60cc122014-03-19 19:26:02 +010070EthernetFactory::findMulticastFace(const std::string& interfaceName,
Alexander Afanasyevd6655302014-02-28 08:41:28 -080071 const ethernet::Address& address) const
Davide Pesavento44deacc2014-02-19 10:48:07 +010072{
Alexander Afanasyev5959b012014-06-02 19:18:12 +030073 MulticastFaceMap::const_iterator i =
74 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
Steve DiBenedettoef04f272014-06-04 14:28:31 -060089std::list<shared_ptr<const Channel> >
90EthernetFactory::getChannels() const
91{
92 return std::list<shared_ptr<const Channel> >();
93}
94
Davide Pesavento44deacc2014-02-19 10:48:07 +010095} // namespace nfd