void
FibHelper::AddRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face, int32_t metric)
{
NS_LOG_LOGIC("[" << node->GetId() << "]$ route add " << prefix << " via " << face->getLocalUri()
<< " metric " << metric);
ControlParameters parameters;
parameters.setName(prefix);
parameters.setFaceId(face->getId());
parameters.setCost(metric);
AddNextHop(parameters, node);
}
void
Nfdc::strategyChoiceUnset()
{
const std::string& name = m_commandLineArguments[0];
ControlParameters parameters;
parameters.setName(name);
m_controller.start<StrategyChoiceUnsetCommand>(parameters,
bind(&Nfdc::onSuccess, this, _1,
"Successfully unset strategy choice"),
bind(&Nfdc::onError, this, _1, _2,
"Failed to unset strategy choice"));
}
void
FibHelper::RemoveRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face)
{
// Get L3Protocol object
Ptr<L3Protocol> L3protocol = node->GetObject<L3Protocol>();
// Get the forwarder instance
shared_ptr<nfd::Forwarder> m_forwarder = L3protocol->getForwarder();
ControlParameters parameters;
parameters.setName(prefix);
parameters.setFaceId(face->getId());
RemoveNextHop(parameters, node);
}
void
RemoteRegistrator::redoRegistration()
{
NFD_LOG_INFO("redo " << m_regEntries.size()
<< " registration when new Hub connection is built.");
for (auto&& entry : m_regEntries)
{
// make copies to avoid unreasonable overwrite.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startRegistration(parameters.setName(entry.first),
options.setSigningIdentity(entry.first),
m_nRetries);
}
}
void
FibHelper::AddRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face, int32_t metric)
{
NS_LOG_LOGIC("[" << node->GetId() << "]$ route add " << prefix << " via " << face->getLocalUri()
<< " metric " << metric);
// Get L3Protocol object
Ptr<L3Protocol> L3protocol = node->GetObject<L3Protocol>();
// Get the forwarder instance
shared_ptr<nfd::Forwarder> m_forwarder = L3protocol->getForwarder();
ControlParameters parameters;
parameters.setName(prefix);
parameters.setFaceId(face->getId());
parameters.setCost(metric);
AddNextHop(parameters, node);
}
BOOST_FIXTURE_TEST_CASE(UnsignedCommand, AllStrategiesFixture)
{
ControlParameters parameters;
parameters.setName("/test");
parameters.setStrategy("/localhost/nfd/strategy/best-route");
Block encodedParameters(parameters.wireEncode());
Name commandName("/localhost/nfd/strategy-choice");
commandName.append("set");
commandName.append(encodedParameters);
shared_ptr<Interest> command(make_shared<Interest>(commandName));
getFace()->onReceiveData +=
bind(&StrategyChoiceManagerFixture::validateControlResponse, this, _1,
command->getName(), 401, "Signature required");
getManager().onStrategyChoiceRequest(*command);
BOOST_REQUIRE(didCallbackFire());
}
const RegisteredPrefixId*
registerPrefix(const Name& prefix,
const shared_ptr<InterestFilterRecord>& filter,
const RegisterPrefixSuccessCallback& onSuccess,
const RegisterPrefixFailureCallback& onFailure,
uint64_t flags,
const nfd::CommandOptions& options)
{
using namespace nfd;
ControlParameters params;
params.setName(prefix);
params.setFlags(flags);
auto prefixToRegister = make_shared<RegisteredPrefix>(prefix, filter, options);
m_face.m_nfdController->start<RibRegisterCommand>(params,
bind(&Impl::afterPrefixRegistered, this,
prefixToRegister, onSuccess),
bind(onFailure, prefixToRegister->getPrefix(), _2),
options);
return reinterpret_cast<const RegisteredPrefixId*>(prefixToRegister.get());
}
void
RemoteRegistrator::unregisterPrefix(const Name& prefix)
{
if (prefix == REMOTE_HUB_PREFIX)
{
NFD_LOG_INFO("disconnected to hub with prefix: " << prefix);
// for phase 1: suppose there is at most one hub connected.
// if the hub prefix has been unregistered locally, there may
// be no connected hub.
m_hasConnectedHub = false;
clearRefreshEvents();
return;
}
if (!m_hasConnectedHub)
{
NFD_LOG_INFO("no hub connected when unregistering " << prefix);
return;
}
std::pair<Name, size_t> identity = findIdentityForRegistration(prefix);
if (0 == identity.second)
{
NFD_LOG_INFO("no proper identity found for unregistering " << prefix);
return;
}
Name prefixForRegistration;
if (identity.first.size() == identity.second)
{
prefixForRegistration = identity.first;
}
else
{
prefixForRegistration = identity.first.getPrefix(-1);
}
RegisteredEntryIt iRegEntry = m_regEntries.find(prefixForRegistration);
if (m_regEntries.end() == iRegEntry)
{
NFD_LOG_INFO("no existing entry found when unregistering " << prefix);
return;
}
for (auto&& entry : m_rib)
{
if (prefixForRegistration.isPrefixOf(entry.first) &&
findIdentityForRegistration(entry.first) == identity)
{
NFD_LOG_INFO("this identity should be kept for other rib entry: "
<< entry.first);
return;
}
}
scheduler::cancel(iRegEntry->second);
m_regEntries.erase(iRegEntry);
// make copies of m_controlParameters and m_commandOptions to
// avoid unreasonable overwriting during concurrent registration
// and unregistration.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startUnregistration(parameters.setName(prefixForRegistration).unsetCost(),
options.setSigningIdentity(identity.first),
m_nRetries);
}
void
RemoteRegistrator::registerPrefix(const Name& prefix)
{
if (LOCAL_REGISTRATION_PREFIX.isPrefixOf(prefix))
{
NFD_LOG_INFO("local registration only for " << prefix);
return;
}
bool isHubPrefix = prefix == REMOTE_HUB_PREFIX;
if (isHubPrefix)
{
NFD_LOG_INFO("this is a prefix registered by some hub: " << prefix);
m_hasConnectedHub = true;
redoRegistration();
return;
}
if (!m_hasConnectedHub)
{
NFD_LOG_INFO("no hub connected when registering " << prefix);
return;
}
std::pair<Name, size_t> identity = findIdentityForRegistration(prefix);
if (0 == identity.second)
{
NFD_LOG_INFO("no proper identity found for registering " << prefix);
return;
}
Name prefixForRegistration;
if (identity.first.size() == identity.second)
{
prefixForRegistration = identity.first;
}
else
{
prefixForRegistration = identity.first.getPrefix(-1);
}
if (m_regEntries.find(prefixForRegistration) != m_regEntries.end())
{
NFD_LOG_INFO("registration already in process for " << prefix);
return;
}
// make copies of m_controlParameters and m_commandOptions to
// avoid unreasonable overwriting during concurrent registration
// and unregistration.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startRegistration(parameters.setName(prefixForRegistration),
options.setSigningIdentity(identity.first),
m_nRetries);
}
void
Node::nfdRegisterPrefix
(uint64_t registeredPrefixId, const ptr_lib::shared_ptr<const Name>& prefix,
const OnInterestCallback& onInterest, const OnRegisterFailed& onRegisterFailed,
const ForwardingFlags& flags, KeyChain& commandKeyChain,
const Name& commandCertificateName, WireFormat& wireFormat, Face* face)
{
if (!&commandKeyChain)
throw runtime_error
("registerPrefix: The command KeyChain has not been set. You must call setCommandSigningInfo.");
if (commandCertificateName.size() == 0)
throw runtime_error
("registerPrefix: The command certificate name has not been set. You must call setCommandSigningInfo.");
ControlParameters controlParameters;
controlParameters.setName(*prefix);
controlParameters.setForwardingFlags(flags);
ptr_lib::shared_ptr<Interest> commandInterest(new Interest());
if (isLocal()) {
commandInterest->setName(Name("/localhost/nfd/rib/register"));
// The interest is answered by the local host, so set a short timeout.
commandInterest->setInterestLifetimeMilliseconds(2000.0);
}
else {
commandInterest->setName(Name("/localhop/nfd/rib/register"));
// The host is remote, so set a longer timeout.
commandInterest->setInterestLifetimeMilliseconds(4000.0);
}
// NFD only accepts TlvWireFormat packets.
commandInterest->getName().append
(controlParameters.wireEncode(*TlvWireFormat::get()));
makeCommandInterest
(*commandInterest, commandKeyChain, commandCertificateName,
*TlvWireFormat::get());
if (registeredPrefixId != 0) {
uint64_t interestFilterId = 0;
if (onInterest) {
// registerPrefix was called with the "combined" form that includes the
// callback, so add an InterestFilterEntry.
interestFilterId = getNextEntryId();
setInterestFilter
(interestFilterId, ptr_lib::make_shared<const InterestFilter>(*prefix),
onInterest, face);
}
registeredPrefixTable_.push_back
(ptr_lib::shared_ptr<RegisteredPrefix>(new RegisteredPrefix
(registeredPrefixId, prefix, interestFilterId)));
}
// Send the registration interest.
RegisterResponse response
(ptr_lib::shared_ptr<RegisterResponse::Info>(new RegisterResponse::Info
(this, prefix, onInterest, onRegisterFailed, flags, wireFormat, face)));
// It is OK for func_lib::function make a copy of the function object because
// the Info is in a ptr_lib::shared_ptr.
expressInterest
(getNextEntryId(), commandInterest, response, response, wireFormat, face);
}