private static void decodeControlParameters(
ControlParameters controlParameters, TlvDecoder decoder,
bool copy)
{
controlParameters.clear();
int endOffset = decoder
.readNestedTlvsStart(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_ControlParameters);
// decode name
if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.Name, endOffset)) {
Name name = new Name();
decodeName(name, new int[1], new int[1], decoder, copy);
controlParameters.setName(name);
}
// decode face ID
controlParameters.setFaceId((int) decoder
.readOptionalNonNegativeIntegerTlv(
net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_FaceId, endOffset));
// decode URI
if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Uri, endOffset)) {
// Set copy false since we just immediately get the string.
Blob uri = new Blob(decoder.readOptionalBlobTlv(
net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Uri, endOffset), false);
controlParameters.setUri("" + uri);
}
// decode integers
controlParameters.setLocalControlFeature((int) decoder
.readOptionalNonNegativeIntegerTlv(
net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_LocalControlFeature, endOffset));
controlParameters.setOrigin((int) decoder
.readOptionalNonNegativeIntegerTlv(
net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Origin, endOffset));
controlParameters.setCost((int) decoder
.readOptionalNonNegativeIntegerTlv(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Cost,
endOffset));
// set forwarding flags
if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Flags, endOffset)) {
ForwardingFlags flags = new ForwardingFlags();
flags.setNfdForwardingFlags((int) decoder
.readNonNegativeIntegerTlv(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Flags));
controlParameters.setForwardingFlags(flags);
}
// decode strategy
if (decoder.peekType(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Strategy, endOffset)) {
int strategyEndOffset = decoder
.readNestedTlvsStart(net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_Strategy);
decodeName(controlParameters.getStrategy(), new int[1], new int[1],
decoder, copy);
decoder.finishNestedTlvs(strategyEndOffset);
}
// decode expiration period
controlParameters.setExpirationPeriod(decoder
.readOptionalNonNegativeIntegerTlv(
net.named_data.jndn.encoding.tlv.Tlv.ControlParameters_ExpirationPeriod, endOffset));
decoder.finishNestedTlvs(endOffset);
}
/// <summary>
/// Decode input as a EncryptedContent in NDN-TLV and set the fields of the
/// encryptedContent object.
/// </summary>
///
/// <param name="encryptedContent"></param>
/// <param name="input"></param>
/// <param name="copy">unchanged while the Blob values are used.</param>
/// <exception cref="EncodingException">For invalid encoding</exception>
public override void decodeEncryptedContent(EncryptedContent encryptedContent,
ByteBuffer input, bool copy)
{
TlvDecoder decoder = new TlvDecoder(input);
int endOffset = decoder
.readNestedTlvsStart(net.named_data.jndn.encoding.tlv.Tlv.Encrypt_EncryptedContent);
Tlv0_2WireFormat.decodeKeyLocator(net.named_data.jndn.encoding.tlv.Tlv.KeyLocator,
encryptedContent.getKeyLocator(), decoder, copy);
int algorithmType = (int) decoder
.readNonNegativeIntegerTlv(net.named_data.jndn.encoding.tlv.Tlv.Encrypt_EncryptionAlgorithm);
if (algorithmType == net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.AesEcb.getNumericType())
encryptedContent.setAlgorithmType(net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.AesEcb);
else if (algorithmType == net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.AesCbc.getNumericType())
encryptedContent.setAlgorithmType(net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.AesCbc);
else if (algorithmType == net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.RsaPkcs.getNumericType())
encryptedContent.setAlgorithmType(net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.RsaPkcs);
else if (algorithmType == net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.RsaOaep.getNumericType())
encryptedContent.setAlgorithmType(net.named_data.jndn.encrypt.algo.EncryptAlgorithmType.RsaOaep);
else
throw new EncodingException(
"Unrecognized EncryptionAlgorithm code " + algorithmType);
encryptedContent.setInitialVector(new Blob(decoder.readOptionalBlobTlv(
net.named_data.jndn.encoding.tlv.Tlv.Encrypt_InitialVector, endOffset), copy));
encryptedContent.setPayload(new Blob(decoder
.readBlobTlv(net.named_data.jndn.encoding.tlv.Tlv.Encrypt_EncryptedPayload), copy));
decoder.finishNestedTlvs(endOffset);
}