blob: 96077d38bcb3554427f6b3c181426d6ce80a3890 [file] [log] [blame]
/*
* Author: Jeff Thompson
*
* BSD license, See the LICENSE file for more information.
*/
#include "BinaryXMLEncoder.h"
#include "BinaryXMLDecoder.h"
#include "BinaryXMLName.h"
#include "BinaryXMLInterest.h"
char *ndn_decodeBinaryXMLInterest(struct ndn_Interest *interest, struct ndn_BinaryXMLDecoder *decoder)
{
char *error;
if (error = ndn_BinaryXMLDecoder_readElementStartDTag(decoder, ndn_BinaryXML_DTag_Interest))
return error;
if (error = ndn_decodeBinaryXMLName(&interest->name, decoder))
return error;
if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
(decoder, ndn_BinaryXML_DTag_MinSuffixComponents, &interest->minSuffixComponents))
return error;
if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
(decoder, ndn_BinaryXML_DTag_MaxSuffixComponents, &interest->maxSuffixComponents))
return error;
int gotExpectedTag;
if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_PublisherPublicKeyDigest, &gotExpectedTag))
return error;
if (gotExpectedTag) {
if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
(decoder, ndn_BinaryXML_DTag_PublisherPublicKeyDigest, 0, &interest->publisherPublicKeyDigest,
&interest->publisherPublicKeyDigestLength))
return error;
}
else {
interest->publisherPublicKeyDigest = 0;
interest->publisherPublicKeyDigestLength = 0;
}
// TODO: Implement exclude
if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
(decoder, ndn_BinaryXML_DTag_ChildSelector, &interest->childSelector))
return error;
if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
(decoder, ndn_BinaryXML_DTag_AnswerOriginKind, &interest->answerOriginKind))
return error;
if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
(decoder, ndn_BinaryXML_DTag_Scope, &interest->scope))
return error;
if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_InterestLifetime, &gotExpectedTag))
return error;
if (gotExpectedTag) {
unsigned char *interestLifetime;
unsigned int interestLifetimeLength;
if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
(decoder, ndn_BinaryXML_DTag_InterestLifetime, 0, &interestLifetime, &interestLifetimeLength))
return error;
interest->interestLifetime = 1000 *
ndn_BinaryXMLDecoder_bigEndianToUnsignedInt(interestLifetime, interestLifetimeLength) / 4096;
}
else
interest->interestLifetime = -1;
if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_Nonce, &gotExpectedTag))
return error;
if (gotExpectedTag) {
if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
(decoder, ndn_BinaryXML_DTag_Nonce, 0, &interest->nonce, &interest->nonceLength))
return error;
}
else {
interest->nonce = 0;
interest->nonceLength = 0;
}
if (error = ndn_BinaryXMLDecoder_readElementClose(decoder))
return error;
return 0;
}