| 123456789101112131415161718192021222324252627282930313233 |
- from libc.stdint cimport uint32_t, uint64_t
- from lakesuperior.store.ldp_rs.term cimport Buffer
- # Seed for computing the term hash.
- #
- # This is a 16-byte string that will be split up into two ``uint64``
- # numbers to make up the ``spookyhash_128`` seeds.
- #
- # TODO This should be made configurable.
- DEF _TERM_HASH_SEED = b'\xff\xf2Q\xf2j\x0bG\xc1\x8a}\xca\x92\x98^y\x12'
- cdef enum:
- HLEN_32 = sizeof(uint32_t)
- HLEN_64 = sizeof(uint64_t)
- HLEN_128 = sizeof(uint64_t) * 2
- ctypedef uint32_t Hash32
- ctypedef uint64_t Hash64
- ctypedef uint64_t DoubleHash64[2]
- ctypedef unsigned char Hash128[HLEN_128]
- cdef:
- uint32_t term_hash_seed32
- uint64_t term_hash_seed64_1, term_hash_seed64_2
- unsigned char TERM_HASH_SEED[16]
- int hash32(const Buffer *message, Hash32 *hash) except -1
- int hash64(const Buffer *message, Hash64 *hash) except -1
- int hash128(const Buffer *message, Hash128 *hash) except -1
- TERM_HASH_SEED = _TERM_HASH_SEED
|
