static bool
_parse(MetisTlvSkeleton *skeleton)
{
bool success = false;
_MetisTlvFixedHeaderV1 *hdr = (_MetisTlvFixedHeaderV1 *) metisTlvSkeleton_GetPacket(skeleton);
// this function should only be called for version 1 packets
trapUnexpectedStateIf(hdr->version != 1, "Version not 1");
if (_goodPacketType(hdr->packetType) && hdr->headerLength >= sizeof(_MetisTlvFixedHeaderV1)) {
size_t endHeaders = hdr->headerLength;
size_t endPacket = htons(hdr->packetLength);
if (endPacket >= endHeaders) {
if (_isPacketTypeInterest((uint8_t *) hdr)) {
metisTlvSkeleton_SetHopLimit(skeleton, 4, 1);
}
_parsePerHopV1(metisTlvSkeleton_GetPacket(skeleton), sizeof(_MetisTlvFixedHeaderV1), endHeaders, skeleton);
size_t offset = _parseMessage(metisTlvSkeleton_GetPacket(skeleton), endHeaders, endPacket, skeleton);
_parseValidationAlg(metisTlvSkeleton_GetPacket(skeleton), offset, endPacket, skeleton);
success = true;
}
}
return success;
}
static bool
_parse(MetisTlvSkeleton *skeleton)
{
_MetisTlvFixedHeaderV0 *hdr = (_MetisTlvFixedHeaderV0 *) metisTlvSkeleton_GetPacket(skeleton);
size_t headerLength = htons(hdr->headerLength);
size_t endHeaders = FIXED_HEADER_LEN + headerLength;
size_t endPacket = TotalPacketLength(hdr);
trapUnexpectedStateIf(hdr->version != 0, "Version not 0");
switch (hdr->packetType) {
case METIS_PACKET_TYPE_INTEREST:
_parsePerHopV0(metisTlvSkeleton_GetPacket(skeleton), FIXED_HEADER_LEN, endHeaders, skeleton);
_parseInterestV0(metisTlvSkeleton_GetPacket(skeleton), endHeaders, endPacket, skeleton);
break;
case METIS_PACKET_TYPE_CONTENT:
_parsePerHopV0(metisTlvSkeleton_GetPacket(skeleton), FIXED_HEADER_LEN, endHeaders, skeleton);
_parseObjectV0(metisTlvSkeleton_GetPacket(skeleton), endHeaders, endPacket, skeleton);
break;
case METIS_PACKET_TYPE_CONTROL:
_parseControlPlaneInterface(metisTlvSkeleton_GetPacket(skeleton), endHeaders, endPacket, skeleton);
break;
default:
break;
}
return true;
}
