void
Node::expressInterestHelper
(uint64_t pendingInterestId,
const ptr_lib::shared_ptr<const Interest>& interestCopy,
const OnData& onData, const OnTimeout& onTimeout, WireFormat* wireFormat,
Face* face)
{
ptr_lib::shared_ptr<PendingInterest> pendingInterest(new PendingInterest
(pendingInterestId, interestCopy, onData, onTimeout));
pendingInterestTable_.push_back(pendingInterest);
if (interestCopy->getInterestLifetimeMilliseconds() >= 0.0)
// Set up the timeout.
face->callLater
(interestCopy->getInterestLifetimeMilliseconds(),
bind(&Node::processInterestTimeout, this, pendingInterest));
// Special case: For timeoutPrefix_ we don't actually send the interest.
if (!timeoutPrefix_.match(interestCopy->getName())) {
Blob encoding = interestCopy->wireEncode(*wireFormat);
if (encoding.size() > getMaxNdnPacketSize())
throw runtime_error
("The encoded interest size exceeds the maximum limit getMaxNdnPacketSize()");
transport_->send(*encoding);
}
}
ptr_lib::shared_ptr<ValidationRequest>
SelfVerifyPolicyManager::checkVerificationPolicy
(const ptr_lib::shared_ptr<Data>& data, int stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
{
// wireEncode returns the cached encoding if available.
if (verify(data->getSignature(), data->wireEncode()))
onVerified(data);
else
onVerifyFailed(data);
// No more steps, so return a null ValidationRequest.
return ptr_lib::shared_ptr<ValidationRequest>();
}
ptr_lib::shared_ptr<ValidationRequest>
SelfVerifyPolicyManager::checkVerificationPolicy
(const ptr_lib::shared_ptr<Interest>& interest, int stepCount,
const OnVerifiedInterest& onVerified,
const OnVerifyInterestFailed& onVerifyFailed, WireFormat& wireFormat)
{
// Decode the last two name components of the signed interest
ptr_lib::shared_ptr<Signature> signature =
wireFormat.decodeSignatureInfoAndValue
(interest->getName().get(-2).getValue().buf(),
interest->getName().get(-2).getValue().size(),
interest->getName().get(-1).getValue().buf(),
interest->getName().get(-1).getValue().size());
// wireEncode returns the cached encoding if available.
if (verify(signature.get(), interest->wireEncode()))
onVerified(interest);
else
onVerifyFailed(interest);
// No more steps, so return a null ValidationRequest.
return ptr_lib::shared_ptr<ValidationRequest>();
}