def test_addrs(self, table, *addrs):
"""Test if one or more addresses match a table.
'table' can be either a PFTable instance or a string containing the
table name; 'addrs' can be either PFTableAddr instances or strings.
Return the addresses that match.
"""
if isinstance(table, basestring):
table = pfr_table(pfrt_name=table)
else:
table = pfr_table(pfrt_name=table.name, pfrt_anchor=table.anchor)
_addrs = []
for addr in addrs:
if isinstance(addr, PFTableAddr):
_addrs.append(addr)
else:
_addrs.append(PFTableAddr(addr))
io = pfioc_table(pfrio_table=table, pfrio_esize=sizeof(pfr_addr),
pfrio_size=len(addrs))
buffer = (pfr_addr * len(addrs))(*[a._to_struct() for a in _addrs])
io.pfrio_buffer = addressof(buffer)
with open(self.dev, 'w') as d:
ioctl(d, DIOCRTSTADDRS, io)
return tuple([PFTableAddr(a) for a in buffer[:io.pfrio_size] if a.pfra_fback])
def get_addrs(self, table, buf_size=10):
"""Get the addresses in the specified table.
'table' can be either a PFTable instance or a string containing the
table name. Return a list of PFTableAddr objects.
"""
if isinstance(table, basestring):
table = pfr_table(pfrt_name=table)
else:
table = pfr_table(pfrt_name=table.name, pfrt_anchor=table.anchor)
io = pfioc_table(pfrio_table=table, pfrio_esize=sizeof(pfr_addr))
with open(self.dev, 'w') as d:
while True:
buffer = (pfr_addr * buf_size)()
io.pfrio_buffer = addressof(buffer)
io.pfrio_size = buf_size
ioctl(d, DIOCRGETADDRS, io)
if io.pfrio_size <= buf_size:
break
buf_size = io.pfrio_size
return tuple([PFTableAddr(a) for a in buffer[:io.pfrio_size]])
def set_addrs(self, table, *addrs):
"""Replace the content of a table.
'table' can be either a PFTable instance or a string containing the
table name; 'addrs' can be either PFTableAddr instances or strings.
Return a tuple containing the number of addresses deleted, added and
changed.
"""
if isinstance(table, basestring):
table = pfr_table(pfrt_name=table)
else:
table = pfr_table(pfrt_name=table.name, pfrt_anchor=table.anchor)
_addrs = []
for addr in addrs:
if isinstance(addr, PFTableAddr):
_addrs.append(addr)
else:
_addrs.append(PFTableAddr(addr))
io = pfioc_table(pfrio_table=table, pfrio_esize=sizeof(pfr_addr),
pfrio_size=len(addrs))
buffer = (pfr_addr * len(addrs))(*[a._to_struct() for a in _addrs])
io.pfrio_buffer = addressof(buffer)
with open(self.dev, 'w') as d:
ioctl(d, DIOCRSETADDRS, io)
return (io.pfrio_ndel, io.pfrio_nadd, io.pfrio_nchange)
def del_addrs(self, table, *addrs):
"""Delete one or more addresses from the specified table.
'table' can be either a PFTable instance or a string containing the
table name; 'addrs' can be either PFTableAddr instances or strings.
Return the number of addresses deleted.
"""
if isinstance(table, basestring):
table = pfr_table(pfrt_name=table)
else:
table = pfr_table(pfrt_name=table.name, pfrt_anchor=table.anchor)
_addrs = []
for addr in addrs:
if isinstance(addr, PFTableAddr):
_addrs.append(addr)
else:
_addrs.append(PFTableAddr(addr))
io = pfioc_table(pfrio_table=table, pfrio_esize=sizeof(pfr_addr),
pfrio_size=len(addrs))
buffer = (pfr_addr * len(addrs))(*[a._to_struct() for a in _addrs])
io.pfrio_buffer = addressof(buffer)
with open(self.dev, 'w') as d:
ioctl(d, DIOCRDELADDRS, io)
return io.pfrio_ndel