def enumerate(self):
index, res = 0, self.header()
while bitmap.size(res) > 1:
# check to see if the msize moves us to a header bit that's unset
if bitmap.int(bitmap.get(res, 0, 1)) == 0:
fixup = bitmap.runlength(res, 0, 0)
logging.warn('Index {:d} of header is not set. Possibly corrupt? Forced to consume {:d} bits.'.format(index, fixup))
res, _ = bitmap.consume(res, fixup)
if bitmap.size(res) == 0: break
# search for how long this run is
msize = bitmap.runlength(res, 0, 1) + 1
yield index, msize
# consume msize bits
index += msize
res, _ = bitmap.consume(res, msize)
return
def used(self):
m, res = self.getparent(magazine_t), self.header()
index = m['mag_bytes_free_at_start'].int() / self.QUANTUM
sentinel = (m['num_bytes_in_magazine'].int() - m['mag_bytes_free_at_end'].int()) / self.QUANTUM
while index <= sentinel:
# check to see if the msize moves us to a header bit that's unset
if bitmap.int(bitmap.get(res, 0, 1)) == 0:
fixup = bitmap.runlength(res, 0, 0)
logging.warn('Index {:d} of header is not set. Possibly corrupt? Forced to consume {:d} bits.'.format(index, fixup))
res, _ = bitmap.consume(res, fixup)
if bitmap.size(res) == 0: break
# search for how long this run is
msize = bitmap.runlength(res, 0, 1) + 1
yield index, msize
# consume msize bits
index += msize
res, _ = bitmap.consume(res, msize)
return
def enumerate(self):
index, res = 0, self.header()
while bitmap.size(res) > 1:
# check to see if the msize moves us to a header bit that's unset
if bitmap.int(bitmap.get(res, 0, 1)) == 0:
fixup = bitmap.runlength(res, 0, 0)
logging.warn(
'Index {:d} of header is not set. Possibly corrupt? Forced to consume {:d} bits.'
.format(index, fixup))
res, _ = bitmap.consume(res, fixup)
if bitmap.size(res) == 0: break
# search for how long this run is
msize = bitmap.runlength(res, 0, 1) + 1
yield index, msize
# consume msize bits
index += msize
res, _ = bitmap.consume(res, msize)
return
def used(self):
m, res = self.getparent(magazine_t), self.header()
index = m['mag_bytes_free_at_start'].int() / self.QUANTUM
sentinel = (m['num_bytes_in_magazine'].int() -
m['mag_bytes_free_at_end'].int()) / self.QUANTUM
while index <= sentinel:
# check to see if the msize moves us to a header bit that's unset
if bitmap.int(bitmap.get(res, 0, 1)) == 0:
fixup = bitmap.runlength(res, 0, 0)
logging.warn(
'Index {:d} of header is not set. Possibly corrupt? Forced to consume {:d} bits.'
.format(index, fixup))
res, _ = bitmap.consume(res, fixup)
if bitmap.size(res) == 0: break
# search for how long this run is
msize = bitmap.runlength(res, 0, 1) + 1
yield index, msize
# consume msize bits
index += msize
res, _ = bitmap.consume(res, msize)
return
def msizeQ(self, index):
index = self.__check_header(index)
res = self.header()
return bitmap.runlength(res, 0, index+1) + 1
def msizeQ(self, index):
index = self.__check_header(index)
res = self.header()
return bitmap.runlength(res, 0, index + 1) + 1
