blob: 10dbdfd2645966b0246d67a1ed5cdad88cd73ceb [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2014 Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*
* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
**/
#include "face-table.hpp"
#include "forwarder.hpp"
#include "core/logger.hpp"
namespace nfd {
NFD_LOG_INIT("FaceTable");
FaceTable::FaceTable(Forwarder& forwarder)
: m_forwarder(forwarder)
, m_lastFaceId(0)
{
}
FaceTable::~FaceTable()
{
}
void
FaceTable::add(shared_ptr<Face> face)
{
if (face->getId() != INVALID_FACEID &&
m_faces.count(face->getId()) > 0)
{
NFD_LOG_DEBUG("Trying to add existing face id=" << face->getId() << " to the face table");
return;
}
FaceId faceId = ++m_lastFaceId;
face->setId(faceId);
m_faces[faceId] = face;
NFD_LOG_INFO("Added face id=" << faceId << " remote=" << face->getRemoteUri() <<
" local=" << face->getLocalUri());
face->onReceiveInterest += bind(&Forwarder::onInterest,
&m_forwarder, ref(*face), _1);
face->onReceiveData += bind(&Forwarder::onData,
&m_forwarder, ref(*face), _1);
face->onFail += bind(&FaceTable::remove,
this, face);
this->onAdd(face);
}
void
FaceTable::remove(shared_ptr<Face> face)
{
this->onRemove(face);
FaceId faceId = face->getId();
m_faces.erase(faceId);
face->setId(INVALID_FACEID);
NFD_LOG_INFO("Removed face id=" << faceId << " remote=" << face->getRemoteUri() <<
" local=" << face->getLocalUri());
// XXX This clears all subscriptions, because EventEmitter
// does not support only removing Forwarder's subscription
face->onReceiveInterest.clear();
face->onReceiveData .clear();
face->onSendInterest .clear();
face->onSendData .clear();
// don't clear onFail because other functions may need to execute
m_forwarder.getFib().removeNextHopFromAllEntries(face);
}
} // namespace nfd