def test_ports_auto(self):
# create two sockets
s1 = NetlinkSocket()
s2 = NetlinkSocket()
# both bind() should succeed
s1.bind()
s2.bind()
# check that ports are different
assert s1.port != s2.port
s1.close()
s2.close()
def tunnel_listp(devname):
s = NetlinkSocket()
s.bind()
msg = ifinfmsg()
nonce = 123
# fill the protocol-specific fields
msg['index'] = 85 # index of the interface
msg['family'] = 18 # address family
# attach NLA -- it MUST be a list / mutable
msg['attrs'] = [['CTRL_ATTR_FAMILY_NAME', "gtp0"]]
# fill generic netlink fields
msg['header']['sequence_number'] = nonce # an unique seq number
msg['header']['pid'] = os.getpid()
msg['header']['type'] = GENL_ID_CTRL
msg['header']['flags'] = NLM_F_REQUEST |\
NLM_F_ACK
# encode the packet
msg.encode()
# send the buffer
s.sendto(msg.data, (0, 0))
s.get()
s.close()
l = 1
print("tthis is a list; {}".format(l))
return list
def test_no_free_ports(self):
require_user('root')
# create and bind 1024 sockets
ports = [NetlinkSocket() for x in range(1024)]
for port in ports:
port.bind()
# create an extra socket
fail = NetlinkSocket()
try:
# bind must fail with KeyError: no free ports available
fail.bind()
except KeyError:
pass
# cleanup
for port in ports:
port.close()
try:
# failed socket shouldn't permit close()
fail.close()
except AssertionError:
pass
def test_ports_fail(self):
s1 = NetlinkSocket(port=0x10)
s2 = NetlinkSocket(port=0x10)
# check if ports are set
assert s1.port == s2.port
# bind the first socket, must succeed
s1.bind()
# bind the second, must fail
try:
s2.bind()
except socket.error as e:
# but it must fail only with errno == 98
if e.errno == 98:
pass
# check the first socket is bound
assert s1.getsockname()[0] != 0
# check the second socket is not bound
assert s2.getsockname()[0] == 0
s1.close()
