def send_batch(nl, b, portid):
fd = nl.get_fd()
size = b.size()
try:
nl.sendto(b.head())
except Exception as e:
print("mnl_socket_sendto: %s" % e, file=sys.stderr)
raise
while True:
rlist, _wlist, _xlist = select.select([fd], [], [], 0.0)
if not fd in rlist:
break
try:
rcv_buf = nl.recv(mnl.MNL_SOCKET_BUFFER_SIZE)
if len(rcv_buf) == 0: break
except Exception as e:
print("mnl_socket_recvfrom: %s" % e, file=sys.stderr)
raise
try:
mnl.cb_run2(rcv_buf, 0, portid, None, None, CB_CTL_ARRAY)
except Exception as e:
print("mnl_cb_run2: %s" % e, file=sys.stderr)
raise
def test_cb_run(self):
self.assertEqual(mnl.cb_run(self.nlmsghdr_noop, 1, 1, None, None), mnl.MNL_CB_OK)
self.assertEqual(mnl.cb_run(self.nlmsghdr_mintype, 1, 1, None, None), mnl.MNL_CB_OK)
try:
mnl.cb_run(self.nlmsghdr_error, 1, 1, None, None)
except OSError as e:
self.assertEquals(e.errno, errno.EPERM)
else:
self.fail("not raise OSError")
@mnl.mnl_cb_t
def cb_data(h, d):
d is not None and d.append(h.nlmsg_type)
if h.nlmsg_type == 0xff:
ctypes.set_errno(errno.ENOBUFS)
return mnl.MNL_CB_ERROR
elif h.nlmsg_type == 0x7f: return mnl.MNL_CB_STOP
else: return mnl.MNL_CB_OK
l = []
try:
mnl.cb_run(self.nlmsghdr_typeFF, 1, 1, cb_data, l)
except OSError as e:
self.assertEquals(e.errno, errno.ENOBUFS)
else:
self.fail("not raise OSError")
l = []
ret = mnl.cb_run(self.nlmsghdr_type7F, 1, 1, cb_data, l)
self.assertEqual(ret, mnl.MNL_CB_STOP)
self.assertEqual(l[0], netlink.NLMSG_MIN_TYPE)
self.assertEqual(l[1], 0x7f)
try:
mnl.cb_run(self.nlmsghdr_pid2, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.ESRCH)
else:
self.fail("not raise OSError")
try:
mnl.cb_run(self.nlmsghdr_seq2, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.EPROTO)
else:
self.fail("not raise OSError")
# Python2.5 returns -1 but could not get EINTR?
if sys.version_info < (2, 6):
ret = mnl.cb_run2(self.nlmsghdr_intr, 1, 1, cb_data, None)
self.assertEquals(ret, mnl.MNL_CB_ERROR)
else:
try:
mnl.cb_run2(self.nlmsghdr_intr, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.EINTR)
else:
self.fail("not raise OSError")
def test_cb_run2(self):
self.assertEqual(mnl.cb_run2(self.nlmsghdr_noop, 1, 1, None, None), mnl.MNL_CB_OK)
self.assertEqual(mnl.cb_run2(self.nlmsghdr_mintype, 1, 1, None, None), mnl.MNL_CB_OK)
try:
mnl.cb_run2(self.nlmsghdr_error, 1, 1, None, None)
except OSError as e:
self.assertEquals(e.errno, errno.EPERM)
else:
self.fail("not raise OSError")
@mnl.mnl_cb_t
def cb_data(h, d):
d is not None and d.append(h.nlmsg_type)
if h.nlmsg_type == 0xff:
ctypes.set_errno(errno.ENOBUFS)
return mnl.MNL_CB_ERROR
elif h.nlmsg_type == 0x7f: return mnl.MNL_CB_STOP
else: return mnl.MNL_CB_OK
l = []
try:
mnl.cb_run2(self.nlmsghdr_typeFF, 1, 1, cb_data, l)
except OSError as e:
self.assertEquals(e.errno, errno.ENOBUFS)
else:
self.fail("not raise OSError")
l = []
ret = mnl.cb_run2(self.nlmsghdr_type7F, 1, 1, cb_data, l)
self.assertEqual(ret, mnl.MNL_CB_STOP)
self.assertEqual(l[0], netlink.NLMSG_MIN_TYPE)
self.assertEqual(l[1], 0x7f)
try:
mnl.cb_run2(self.nlmsghdr_pid2, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.ESRCH)
else:
self.fail("not raise OSError")
try:
mnl.cb_run2(self.nlmsghdr_seq2, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.EPROTO)
else:
self.fail("not raise OSError")
# Python2.5 returns -1 but could not get EINTR?
if sys.version_info < (2, 6):
ret = mnl.cb_run2(self.nlmsghdr_intr, 1, 1, cb_data, None)
self.assertEquals(ret, mnl.MNL_CB_ERROR)
else:
try:
mnl.cb_run2(self.nlmsghdr_intr, 1, 1, cb_data, None)
except OSError as e:
self.assertEqual(e.errno, errno.EINTR)
else:
self.fail("not raise OSError")
# with crl cb
@mnl.nlmsg_cb
def cb_done(nlh, d):
return mnl.MNL_CB_STOP
@mnl.nlmsg_cb
def cb_overrun(nlh, d):
set_errno(errno.ENOSPC)
return mnl.MNL_CB_ERROR
@mnl.nlmsg_cb
def cb_err(nlh, d):
err = nlh.get_payload_as(netlink.Nlmsgerr)
if nlh.nlmsg_len < nlh.size(netlink.Nlmsgerr.csize()):
set_errno(errno.EBADMSG)
return mnl.MNL_CB_ERROR
if err.error < 0:
en = - err.error
else:
en = err.error
if errno == 0:
return mnl.MNL_CB_STOP
else:
set_errno(en)
return mnl.MNL_CB_ERROR
cb_ctls = {netlink.NLMSG_OVERRUN: cb_overrun,
netlink.NLMSG_DONE: cb_done,
netlink.NLMSG_ERROR: cb_err}
self.assertEqual(mnl.cb_run2(self.nlmsghdr_noop, 1, 1, None, None, cb_ctls), mnl.MNL_CB_OK)
self.assertEqual(mnl.cb_run2(self.nlmsghdr_done, 1, 1, None, None, cb_ctls), mnl.MNL_CB_STOP)
try:
mnl.cb_run2(self.nlmsghdr_overrun, 1, 1, None, None, cb_ctls)
except OSError as e:
self.assertEqual(e.errno, errno.ENOSPC)
else:
self.fail("not raise OSError")
try:
mnl.cb_run2(self.nlmsghdr_error, 1, 1, None, None, cb_ctls)
except OSError as e:
self.assertEqual(e.errno, errno.EPERM)
else:
self.fail("not raise OSError")
