void
CommandInterestGenerator::generate
(Interest& interest, KeyChain& keyChain, const Name& certificateName,
WireFormat& wireFormat)
{
MillisecondsSince1970 timestamp = ::round(ndn_getNowMilliseconds());
while (timestamp <= lastTimestamp_)
timestamp += 1.0;
// The timestamp is encoded as a TLV nonNegativeInteger.
TlvEncoder encoder(8);
encoder.writeNonNegativeInteger((uint64_t)timestamp);
interest.getName().append(Blob(encoder.finish()));
// The random value is a TLV nonNegativeInteger too, but we know it is 8 bytes,
// so we don't need to call the nonNegativeInteger encoder.
uint8_t randomBuffer[8];
ndn_Error error;
if ((error = CryptoLite::generateRandomBytes(randomBuffer, sizeof(randomBuffer))))
throw runtime_error(ndn_getErrorString(error));
interest.getName().append(randomBuffer, sizeof(randomBuffer));
keyChain.sign(interest, certificateName, wireFormat);
if (interest.getInterestLifetimeMilliseconds() < 0)
// The caller has not set the interest lifetime, so set it here.
interest.setInterestLifetimeMilliseconds(1000.0);
// We successfully signed the interest, so update the timestamp.
lastTimestamp_ = timestamp;
}
void
CommandInterestGenerator::generate
(Interest& interest, KeyChain& keyChain, const Name& certificateName,
WireFormat& wireFormat)
{
prepareCommandInterestName(interest, wireFormat);
keyChain.sign(interest, certificateName, wireFormat);
if (interest.getInterestLifetimeMilliseconds() < 0)
// The caller has not set the interest lifetime, so set it here.
interest.setInterestLifetimeMilliseconds(1000.0);
}
TEST_F(TestLink, EncodeDecodeInterestWithLink)
{
Link link1;
link1.setName(Name("test"));
link1.addDelegation(10, Name("/test1"));
link1.addDelegation(20, Name("/test2"));
link1.addDelegation(100, Name("/test3"));
keyChain_->sign(link1, certificateName_);
Interest interestA;
interestA.setName(Name("/Test/Encode/Decode/With/Link"));
interestA.setChildSelector(1);
interestA.setInterestLifetimeMilliseconds(10000);
interestA.setLinkWireEncoding(link1.wireEncode());
Blob interestEncoding = interestA.wireEncode();
Interest interestB;
interestB.wireDecode(interestEncoding);
ASSERT_EQ(interestA.getName(), interestB.getName());
Link* link2 = interestB.getLink();
ASSERT_TRUE(link2) << "Interest link object not specified";
const DelegationSet& delegations = link2->getDelegations();
for (size_t i = 0; i < delegations.size(); ++i) {
if (i == 0) {
ASSERT_EQ(10, delegations.get(i).getPreference());
ASSERT_EQ(Name("/test1"), delegations.get(i).getName());
}
if (i == 1) {
ASSERT_EQ(20, delegations.get(i).getPreference());
ASSERT_EQ(Name("/test2"), delegations.get(i).getName());
}
if (i == 2) {
ASSERT_EQ(100, delegations.get(i).getPreference());
ASSERT_EQ(Name("/test3"), delegations.get(i).getName());
}
}
}
