def cleanup(self, epoch):
try:
death_row_node = self._keyValueStorage.get('deathrow:' +
str(epoch))
except BaseException:
death_row_node = rlp.encode([])
death_row_nodes = rlp.decode(death_row_node)
pruned = 0
for nodekey in death_row_nodes:
try:
refcount, val = rlp.decode(
self._keyValueStorage.get(b'r:' + nodekey))
if utils.decode_int(refcount) == DEATH_ROW_OFFSET + epoch:
self._keyValueStorage.remove(b'r:' + nodekey)
pruned += 1
except BaseException:
pass
sys.stderr.write('%d nodes successfully pruned\n' % pruned)
# Delete the deathrow after processing it
try:
self._keyValueStorage.remove('deathrow:' + str(epoch))
except BaseException:
pass
# Delete journals that are too old
try:
self._keyValueStorage.remove('journal:' + str(epoch - self.ttl))
except BaseException:
pass
def cleanup(self, epoch):
try:
death_row_node = self._keyValueStorage.get(
'deathrow:' + str(epoch))
except BaseException:
death_row_node = rlp.encode([])
death_row_nodes = rlp.decode(death_row_node)
pruned = 0
for nodekey in death_row_nodes:
try:
refcount, val = rlp.decode(
self._keyValueStorage.get(b'r:' + nodekey))
if utils.decode_int(refcount) == DEATH_ROW_OFFSET + epoch:
self._keyValueStorage.remove(b'r:' + nodekey)
pruned += 1
except BaseException:
pass
sys.stderr.write('%d nodes successfully pruned\n' % pruned)
# Delete the deathrow after processing it
try:
self._keyValueStorage.remove('deathrow:' + str(epoch))
except BaseException:
pass
# Delete journals that are too old
try:
self._keyValueStorage.remove('journal:' + str(epoch - self.ttl))
except BaseException:
pass
def get_refcount(self, k):
try:
o = utils.decode_int(self._keyValueStorage.get(b'r:' + k))[0]
if o >= DEATH_ROW_OFFSET:
return 0
return o
except BaseException:
return 0
def get_refcount(self, k):
try:
o = utils.decode_int(self._keyValueStorage.get(b'r:' + k))[0]
if o >= DEATH_ROW_OFFSET:
return 0
return o
except BaseException:
return 0
def dec_refcount(self, k):
# raise Exception("WHY AM I CHANGING A REFCOUNT?!:?")
node_object = rlp.decode(self._keyValueStorage.get(b'r:' + k))
refcount = utils.decode_int(node_object[0])
if self.logging:
sys.stderr.write('decreasing %s to: %d\n' %
(utils.encode_hex(k), refcount - 1))
assert refcount > 0
self.journal.append([node_object[0], k])
new_refcount = utils.encode_int(refcount - 1)
self._keyValueStorage.put(b'r:' + k,
rlp.encode([new_refcount, node_object[1]]))
if new_refcount == ZERO_ENCODED:
self.death_row.append(k)
def dec_refcount(self, k):
# raise Exception("WHY AM I CHANGING A REFCOUNT?!:?")
node_object = rlp.decode(self._keyValueStorage.get(b'r:' + k))
refcount = utils.decode_int(node_object[0])
if self.logging:
sys.stderr.write('decreasing %s to: %d\n' %
(utils.encode_hex(k), refcount - 1))
if not refcount > 0:
raise ValueError("node object for key {} has {} number "
"of references, expected > 0".format(k, refcount))
self.journal.append([node_object[0], k])
new_refcount = utils.encode_int(refcount - 1)
self._keyValueStorage.put(b'r:' + k,
rlp.encode([new_refcount, node_object[1]]))
if new_refcount == ZERO_ENCODED:
self.death_row.append(k)
def dec_refcount(self, k):
# raise Exception("WHY AM I CHANGING A REFCOUNT?!:?")
node_object = rlp.decode(self._keyValueStorage.get(b'r:' + k))
refcount = utils.decode_int(node_object[0])
if self.logging:
sys.stderr.write('decreasing %s to: %d\n' % (
utils.encode_hex(k), refcount - 1))
if not refcount > 0:
raise ValueError(
"node object for key {} has {} number "
"of references, expected > 0"
.format(k, refcount)
)
self.journal.append([node_object[0], k])
new_refcount = utils.encode_int(refcount - 1)
self._keyValueStorage.put(
b'r:' + k, rlp.encode([new_refcount, node_object[1]]))
if new_refcount == ZERO_ENCODED:
self.death_row.append(k)
def inc_refcount(self, k, v):
# raise Exception("WHY AM I CHANGING A REFCOUNT?!:?")
try:
node_object = rlp.decode(self._keyValueStorage.get(b'r:' + k))
refcount = utils.decode_int(node_object[0])
self.journal.append([node_object[0], k])
if refcount >= DEATH_ROW_OFFSET:
refcount = 0
new_refcount = utils.encode_int(refcount + 1)
self._keyValueStorage.put(b'r:' + k, rlp.encode([new_refcount, v]))
if self.logging:
sys.stderr.write('increasing %s %r to: %d\n' % (
utils.encode_hex(k), v, refcount + 1))
except BaseException:
self._keyValueStorage.put(b'r:' + k, rlp.encode([ONE_ENCODED, v]))
self.journal.append([ZERO_ENCODED, k])
if self.logging:
sys.stderr.write('increasing %s %r to: %d\n' % (
utils.encode_hex(k), v, 1))
def inc_refcount(self, k, v):
# raise Exception("WHY AM I CHANGING A REFCOUNT?!:?")
try:
node_object = rlp.decode(self._keyValueStorage.get(b'r:' + k))
refcount = utils.decode_int(node_object[0])
self.journal.append([node_object[0], k])
if refcount >= DEATH_ROW_OFFSET:
refcount = 0
new_refcount = utils.encode_int(refcount + 1)
self._keyValueStorage.put(b'r:' + k, rlp.encode([new_refcount, v]))
if self.logging:
sys.stderr.write('increasing %s %r to: %d\n' %
(utils.encode_hex(k), v, refcount + 1))
except BaseException:
self._keyValueStorage.put(b'r:' + k, rlp.encode([ONE_ENCODED, v]))
self.journal.append([ZERO_ENCODED, k])
if self.logging:
sys.stderr.write('increasing %s %r to: %d\n' %
(utils.encode_hex(k), v, 1))