blob: f59ff14b72567950e7a06702d4e2e8bcd53c7c54 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (C) 2014 Named Data Networking Project
* See COPYING for copyright and distribution information.
*/
#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 << " uri=" << face->getUri());
face->onReceiveInterest += bind(&Forwarder::onInterest,
&m_forwarder, boost::ref(*face), _1);
face->onReceiveData += bind(&Forwarder::onData,
&m_forwarder, boost::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 << " uri=" << face->getUri());
// XXX This clears all subscriptions, because EventEmitter
// does not support only removing Forwarder's subscription
face->onReceiveInterest.clear();
face->onReceiveData .clear();
// don't clear onFail because other functions may need to execute
m_forwarder.getFib().removeNextHopFromAllEntries(face);
}
} // namespace nfd