//////////////////////////////////// // Tests from ndn-cxx interest.t.cpp //////////////////////////////////// public void testInterestLinkObject() { Link link1 = new Link(); link1.setName(new Name("test")); link1.addDelegation(10, new Name("/test1")); link1.addDelegation(20, new Name("/test2")); link1.addDelegation(100, new Name("/test3")); try { keyChain.sign(link1, certificateName); } catch (SecurityException ex) { Assert.Fail(ex.Message); } Blob linkEncoding = link1.wireEncode(); Interest interestA = new Interest(); Link link2 = null; try { interestA.setLinkWireEncoding(linkEncoding); link2 = interestA.getLink(); } catch (Exception ex_0) { Assert.Fail(ex_0.Message); } Assert.AssertTrue(link2 != null); Name name = link2.getName(); Assert.AssertEquals(new Name("test"), name); DelegationSet delegations = link2.getDelegations(); for (int i = 0; i < delegations.size(); ++i) { if (i == 0) { Assert.AssertEquals(10, delegations.get(i).getPreference()); Assert.AssertEquals(new Name("/test1"), delegations.get(i).getName()); } if (i == 1) { Assert.AssertEquals(20, delegations.get(i).getPreference()); Assert.AssertEquals(new Name("/test2"), delegations.get(i).getName()); } if (i == 2) { Assert.AssertEquals(100, delegations.get(i).getPreference()); Assert.AssertEquals(new Name("/test3"), delegations.get(i).getName()); } } interestA.setLinkWireEncoding(new Blob(LINK, false)); Link link3 = null; try { link3 = interestA.getLink(); } catch (Exception ex_1) { Assert.Fail(ex_1.Message); } Assert.AssertEquals(2, link3.getDelegations().size()); interestA.unsetLink(); Assert.AssertEquals(false, interestA.hasLink()); }
/// <summary> /// Decode input as an interest in NDN-TLV and set the fields of the interest /// object. /// </summary> /// /// <param name="interest">The Interest object whose fields are updated.</param> /// <param name="input"></param> /// <param name="signedPortionBeginOffset">name component and ends just before the final name component (which is assumed to be a signature for a signed interest).</param> /// <param name="signedPortionEndOffset">name component and ends just before the final name component (which is assumed to be a signature for a signed interest).</param> /// <param name="copy">unchanged while the Blob values are used.</param> /// <exception cref="EncodingException">For invalid encoding.</exception> public override void decodeInterest(Interest interest, ByteBuffer input, int[] signedPortionBeginOffset, int[] signedPortionEndOffset, bool copy) { TlvDecoder decoder = new TlvDecoder(input); int endOffset = decoder.readNestedTlvsStart(net.named_data.jndn.encoding.tlv.Tlv.Interest); decodeName(interest.getName(), signedPortionBeginOffset, signedPortionEndOffset, decoder, copy); if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.Selectors, endOffset)) decodeSelectors(interest, decoder, copy); // Require a Nonce, but don't force it to be 4 bytes. ByteBuffer nonce = decoder.readBlobTlv(net.named_data.jndn.encoding.tlv.Tlv.Nonce); interest.setInterestLifetimeMilliseconds(decoder .readOptionalNonNegativeIntegerTlv(net.named_data.jndn.encoding.tlv.Tlv.InterestLifetime, endOffset)); if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.Data, endOffset)) { // Get the bytes of the Link TLV. int linkBeginOffset = decoder.getOffset(); int linkEndOffset = decoder.readNestedTlvsStart(net.named_data.jndn.encoding.tlv.Tlv.Data); decoder.seek(linkEndOffset); interest.setLinkWireEncoding( new Blob(decoder.getSlice(linkBeginOffset, linkEndOffset), copy), this); } else interest.unsetLink(); interest.setSelectedDelegationIndex((int) decoder .readOptionalNonNegativeIntegerTlv(net.named_data.jndn.encoding.tlv.Tlv.SelectedDelegation, endOffset)); if (interest.getSelectedDelegationIndex() >= 0 && !interest.hasLink()) throw new EncodingException( "Interest has a selected delegation, but no link object"); // Set the nonce last because setting other interest fields clears it. interest.setNonce(new Blob(nonce, copy)); decoder.finishNestedTlvs(endOffset); }