import synapse.common as s_common
import synapse.lib.lmdbslab as s_lmdbslab
[docs]class SlabOffs:
'''
A helper for storing offset integers by iden.
As with all slab objects, this is meant for single-thread async loop use.
'''
def __init__(self, slab: s_lmdbslab.Slab, db: str) -> None:
self.db = slab.initdb(db)
self.slab = slab
[docs] def get(self, iden):
buid = s_common.uhex(iden)
byts = self.slab.get(buid, db=self.db)
if byts is None:
return 0
return s_common.int64un(byts)
[docs] def set(self, iden, offs):
buid = s_common.uhex(iden)
byts = s_common.int64en(offs)
self.slab.put(buid, byts, db=self.db)
[docs] def delete(self, iden):
buid = s_common.uhex(iden)
self.slab.delete(buid, db=self.db)