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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 =
Alexander Afanasyevf6980282014-05-13 18:28:40 -070050 make_shared<boost::asio::posix::stream_descriptor>(ref(getGlobalIoService()));
Davide Pesavento44deacc2014-02-19 10:48:07 +010051
Alexander Afanasyevf6980282014-05-13 18:28:40 -070052 face = make_shared<EthernetFace>(socket, interface, address);
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080053 face->onFail += bind(&EthernetFactory::afterFaceFailed,
Davide Pesaventob60cc122014-03-19 19:26:02 +010054 this, name, address);
55 m_multicastFaces[std::make_pair(name, address)] = face;
Davide Pesavento44deacc2014-02-19 10:48:07 +010056
57 return face;
58}
59
Davide Pesavento44deacc2014-02-19 10:48:07 +010060void
Davide Pesaventob60cc122014-03-19 19:26:02 +010061EthernetFactory::afterFaceFailed(const std::string& interfaceName,
Alexander Afanasyev0eb70652014-02-27 18:35:07 -080062 const ethernet::Address& address)
Davide Pesavento44deacc2014-02-19 10:48:07 +010063{
Davide Pesaventob60cc122014-03-19 19:26:02 +010064 NFD_LOG_DEBUG("afterFaceFailed: " << interfaceName << "/" << address);
65 m_multicastFaces.erase(std::make_pair(interfaceName, address));
Davide Pesavento44deacc2014-02-19 10:48:07 +010066}
67
68shared_ptr<EthernetFace>
Davide Pesaventob60cc122014-03-19 19:26:02 +010069EthernetFactory::findMulticastFace(const std::string& interfaceName,
Alexander Afanasyevd6655302014-02-28 08:41:28 -080070 const ethernet::Address& address) const
Davide Pesavento44deacc2014-02-19 10:48:07 +010071{
Davide Pesaventob60cc122014-03-19 19:26:02 +010072 MulticastFacesMap::const_iterator i = m_multicastFaces.find(std::make_pair(interfaceName, address));
Davide Pesavento44deacc2014-02-19 10:48:07 +010073 if (i != m_multicastFaces.end())
74 return i->second;
75 else
76 return shared_ptr<EthernetFace>();
77}
78
Alexander Afanasyevd6655302014-02-28 08:41:28 -080079void
80EthernetFactory::createFace(const FaceUri& uri,
81 const FaceCreatedCallback& onCreated,
82 const FaceConnectFailedCallback& onConnectFailed)
83{
84 throw Error("EthernetFactory does not support 'createFace' operation");
85}
86
Davide Pesavento44deacc2014-02-19 10:48:07 +010087} // namespace nfd