void
Tlv0_2WireFormat::decodeInterest
(Interest& interest, const uint8_t *input, size_t inputLength,
size_t *signedPortionBeginOffset, size_t *signedPortionEndOffset)
{
struct ndn_NameComponent nameComponents[100];
struct ndn_ExcludeEntry excludeEntries[100];
struct ndn_NameComponent keyNameComponents[100];
InterestLite interestLite
(nameComponents, sizeof(nameComponents) / sizeof(nameComponents[0]),
excludeEntries, sizeof(excludeEntries) / sizeof(excludeEntries[0]),
keyNameComponents, sizeof(keyNameComponents) / sizeof(keyNameComponents[0]));
ndn_Error error;
if ((error = Tlv0_2WireFormatLite::decodeInterest
(interestLite, input, inputLength, signedPortionBeginOffset,
signedPortionEndOffset)))
throw runtime_error(ndn_getErrorString(error));
if (interestLite.getForwardingHintWireEncoding().buf()) {
// Throw any decoding exceptions now before calling set.
DelegationSet delegationSet;
decodeDelegationSet
(delegationSet, interestLite.getForwardingHintWireEncoding().buf(),
interestLite.getForwardingHintWireEncoding().size());
}
interest.set(interestLite, *this);
}
// Imitate Interest::set(const InterestLite& interestLite).
static void
setInterest(PyObject* interest, const InterestLite& interestLite)
{
PyObjectRef name(PyObject_CallMethodObjArgs(interest, str.getName, NULL));
setName(name, interestLite.getName());
// If the value is -1, Interest.setMinSuffixComponents will set to None as desired.
callMethodFromLong
(interest, str.setMinSuffixComponents, interestLite.getMinSuffixComponents());
callMethodFromLong
(interest, str.setMaxSuffixComponents, interestLite.getMaxSuffixComponents());
PyObjectRef keyLocator(PyObject_CallMethodObjArgs
(interest, str.getKeyLocator, NULL));
setKeyLocator(keyLocator, interestLite.getKeyLocator());
PyObjectRef exclude(PyObject_CallMethodObjArgs
(interest, str.getExclude, NULL));
setExclude(exclude, interestLite.getExclude());
callMethodFromLong
(interest, str.setChildSelector, interestLite.getChildSelector());
callMethodFromBool
(interest, str.setMustBeFresh, interestLite.getMustBeFresh());
callMethodFromDouble
(interest, str.setInterestLifetimeMilliseconds,
interestLite.getInterestLifetimeMilliseconds());
if (interestLite.getLinkWireEncoding().buf()) {
PyObjectRef linkWireEncoding(makeBlob(interestLite.getLinkWireEncoding()));
// TODO: Support the wireFormat param.
PyObjectRef ignoreResult(PyObject_CallMethodObjArgs
(interest, str.setLinkWireEncoding, linkWireEncoding.obj, NULL));
}
else
PyObjectRef ignoreResult1(PyObject_CallMethodObjArgs
(interest, str.unsetLink, NULL));
callMethodFromLong
(interest, str.setSelectedDelegationIndex,
interestLite.getSelectedDelegationIndex());
// Set the nonce last so that getNonceChangeCount_ is set correctly.
PyObjectRef nonce(makeBlob(interestLite.getNonce()));
PyObjectRef ignoreResult2(PyObject_CallMethodObjArgs
(interest, str.setNonce, nonce.obj, NULL));
}
/**
* Imitate Interest::get(InterestLite& interestLite).
* @param interest The Python Interest object to get from.
* @param interestLite The InterestLite to update.
* @param pool1 This calls pool1.reset to store a temporary value which must
* remain valid while interestLite is used.
*/
static void
toInterestLite
(PyObject* interest, InterestLite& interestLite, PyObjectRef& pool1)
{
PyObjectRef name(PyObject_CallMethodObjArgs(interest, str.getName, NULL));
toNameLite(name, interestLite.getName());
// If the value is None, PyInt_AsLong returns -1 as desired.
interestLite.setMinSuffixComponents
((int)toLongByMethod(interest, str.getMinSuffixComponents));
interestLite.setMaxSuffixComponents
((int)toLongByMethod(interest, str.getMaxSuffixComponents));
PyObjectRef keyLocator(PyObject_CallMethodObjArgs(interest, str.getKeyLocator, NULL));
toKeyLocatorLite(keyLocator, interestLite.getKeyLocator());
PyObjectRef exclude(PyObject_CallMethodObjArgs(interest, str.getExclude, NULL));
toExcludeLite(exclude, interestLite.getExclude());
interestLite.setChildSelector
((int)toLongByMethod(interest, str.getChildSelector));
interestLite.setMustBeFresh(toBoolByMethod(interest, str.getMustBeFresh));
interestLite.setInterestLifetimeMilliseconds
(toDoubleByMethod(interest, str.getInterestLifetimeMilliseconds));
// TODO: Support the wireFormat param.
// TODO: Catch exceptions from getLinkWireEncoding.
pool1.reset(PyObject_CallMethodObjArgs(interest, str.getLinkWireEncoding, NULL));
PyObjectRef linkWireEncodingArray(PyObject_GetAttr(pool1, str._array));
if (linkWireEncodingArray.obj == Py_None)
interestLite.setLinkWireEncoding(BlobLite());
else
interestLite.setLinkWireEncoding(toBlobLiteFromArray(linkWireEncodingArray));
interestLite.setSelectedDelegationIndex
((int)toLongByMethod(interest, str.getSelectedDelegationIndex));
}
/**
* Imitate Interest::get(InterestLite& interestLite).
* @param interest The Python Interest object to get from.
* @param interestLite The InterestLite to update.
* @param pool1 This calls pool1.reset to store a temporary value which must
* remain valid while interestLite is used.
* @param pool2 This calls pool2.reset to store a temporary value which must
* remain valid while interestLite is used.
*/
static void
toInterestLite
(PyObject* interest, InterestLite& interestLite, PyObjectRef& pool1,
PyObjectRef& pool2)
{
PyObjectRef name(PyObject_CallMethodObjArgs(interest, str.getName, NULL));
toNameLite(name, interestLite.getName());
// If the value is None, PyInt_AsLong returns -1 as desired.
interestLite.setMinSuffixComponents
((int)toLongByMethod(interest, str.getMinSuffixComponents));
interestLite.setMaxSuffixComponents
((int)toLongByMethod(interest, str.getMaxSuffixComponents));
PyObjectRef keyLocator(PyObject_CallMethodObjArgs(interest, str.getKeyLocator, NULL));
toKeyLocatorLite(keyLocator, interestLite.getKeyLocator());
PyObjectRef exclude(PyObject_CallMethodObjArgs(interest, str.getExclude, NULL));
toExcludeLite(exclude, interestLite.getExclude());
interestLite.setChildSelector
((int)toLongByMethod(interest, str.getChildSelector));
interestLite.setMustBeFresh(toBoolByMethod(interest, str.getMustBeFresh));
interestLite.setInterestLifetimeMilliseconds
(toDoubleByMethod(interest, str.getInterestLifetimeMilliseconds));
interestLite.setNonce(toBlobLiteByMethod(interest, str.getNonce));
interestLite.setApplicationParameters(toBlobLiteByMethod(interest, str.getApplicationParameters));
PyObjectRef forwardingHint
(PyObject_CallMethodObjArgs(interest, str.getForwardingHint, NULL));
if (toLongByMethod(forwardingHint, str.size) > 0) {
// InterestLite only stores the encoded delegation set. Cache the wire
// encoding in pool2 long enough to encode the Interest.
// TODO: Support the wireFormat param.
// TODO: Catch exceptions from wireEncode.
pool2.reset(PyObject_CallMethodObjArgs
(forwardingHint, str.wireEncode, NULL));
PyObjectRef forwardingHintWireEncodingArray
(PyObject_GetAttr(pool2, str._array));
interestLite.setForwardingHintWireEncoding
(toBlobLiteFromArray(forwardingHintWireEncodingArray));
}
else
interestLite.setForwardingHintWireEncoding(BlobLite());
// TODO: Support the wireFormat param.
// TODO: Catch exceptions from getLinkWireEncoding.
pool1.reset(PyObject_CallMethodObjArgs(interest, str.getLinkWireEncoding, NULL));
PyObjectRef linkWireEncodingArray(PyObject_GetAttr(pool1, str._array));
if (linkWireEncodingArray.obj == Py_None)
interestLite.setLinkWireEncoding(BlobLite());
else
interestLite.setLinkWireEncoding(toBlobLiteFromArray(linkWireEncodingArray));
interestLite.setSelectedDelegationIndex
((int)toLongByMethod(interest, str.getSelectedDelegationIndex));
}
