def __init__(self, dev_instance, *args, **kwargs):
if not dev_instance.ip_address:
raise DeviceImplementationError(gettext("Ip address required"))
dev_ip_addr = dev_instance.ip_address
if not dev_instance.man_passw:
raise DeviceImplementationError(
gettext(
"For fetch additional device info, snmp community required"
))
super().__init__(dev_instance=dev_instance,
host=dev_ip_addr,
snmp_community=str(dev_instance.man_passw))
def parse_eltex_vlan_map(bitmap: bytes,
table: int = 0) -> Generator[int, None, None]:
"""
https://eltexsl.ru/wp-content/uploads/2016/05/monitoring-i-upravlenie-ethernet-kommutatorami-mes-po-snmp.pdf
:param bitmap: str bit map vlan representation by Eltex version
:param table: Value from 0 to 3. In which table can find vlan id list
:return: VID, vlan id
>>> bitmap = (\
'\\x08\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x02\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'\
)
>>> tuple(EltexSwitch.parse_eltex_vlan_map(bitmap))
(5, 143, 152)
"""
assert isinstance(bitmap, bytes)
if table < 0 or table > 3:
raise DeviceImplementationError("table must be in range 1-3")
r = (bin_num == "1" for octet_num in bitmap
for bin_num in f"{octet_num:08b}")
return ((numer + 1) + (table * 1024) for numer, bit in enumerate(r)
if bit)
def get_ports(self) -> tuple:
# interfaces count
# yield safe_int(self.get_item('.1.3.6.1.2.1.17.1.2.0'))
interfaces_ids = self.get_list(".1.3.6.1.2.1.17.1.4.1.2")
if interfaces_ids is None:
raise DeviceImplementationError("Switch returned null")
interfaces_ids = tuple(
next(interfaces_ids) for _ in range(self.ports_len))
def build_port(i: int, n: int):
speed = self.get_item(".1.3.6.1.2.1.2.2.1.5.%d" % n)
oper_status = safe_int(self.get_item(".1.3.6.1.2.1.2.2.1.7.%d" %
n)) == 1
link_status = safe_int(self.get_item(".1.3.6.1.2.1.2.2.1.8.%d" %
n)) == 1
ep = EltexPort(
dev_interface=self,
num=i + 1,
snmp_num=n,
name=self.get_item(".1.3.6.1.2.1.2.2.1.2.%d" % n), # name
status=oper_status, # status
mac=
b"", # self.get_item('.1.3.6.1.2.1.2.2.1.6.%d' % n), # mac
speed=0 if not link_status else safe_int(speed), # speed
uptime=self.get_item(".1.3.6.1.2.1.2.2.1.9.%d" % n), # UpTime
)
return ep
return tuple(
build_port(i, int(n)) for i, n in enumerate(interfaces_ids))
def _toggle_vlan_on_port(self, vlan: Vlan, port: int, member: bool):
if port > self.ports_len or port < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
# if vlan does not exsists on device, then create it
self._add_vlan_if_not_exists(vlan)
port_member_tagged = self.get_item(".1.3.6.1.2.1.17.7.1.4.3.1.2.%d" %
vlan.vid)
port_member_untag = self.get_item(".1.3.6.1.2.1.17.7.1.4.3.1.4.%d" %
vlan.vid)
if not port_member_tagged or not port_member_untag:
return False
port_member_tagged_map = self._make_ports_map(port_member_tagged)
port_member_untag_map = self._make_ports_map(port_member_untag)
if member:
port_member_untag_map[port - 1] = vlan.native
port_member_tagged_map[port - 1] = True
else:
port_member_untag_map[port - 1] = False
port_member_tagged_map[port - 1] = False
port_member_tagged = self._make_buf_from_ports_map(
port_member_tagged_map)
port_member_untag = self._make_buf_from_ports_map(
port_member_untag_map)
return self.set_multiple(oid_values=[
(".1.3.6.1.2.1.17.7.1.4.3.1.2.%d" % vlan.vid, port_member_tagged,
"OCTETSTR"),
(".1.3.6.1.2.1.17.7.1.4.3.1.4.%d" % vlan.vid, port_member_untag,
"OCTETSTR"),
])
def read_port_vlan_info(self, port: int) -> Vlans:
def _calc_ret(vlan_untagged_egress_oid, vlan_egress_bitmap,
table_no) -> Vlans:
vlan_untagged_egress = self.get_item(vlan_untagged_egress_oid)
vlan_untagged_egress = list(
self.parse_eltex_vlan_map(vlan_untagged_egress,
table=table_no))
is_native = next(
(v == 1
for i, v in enumerate(vlan_untagged_egress, 1) if i >= port),
False)
return (Vlan(vid=vid,
title=self._get_vid_name(vid=vid),
native=is_native)
for vid in self.parse_eltex_vlan_map(vlan_egress_bitmap,
table=table_no))
if port > self.ports_len or port < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
port = port + 48
# rldot1qPortVlanStaticEgressList1to1024
vlan_egress = self.get_item("1.3.6.1.4.1.89.48.68.1.1.%d" % port)
if vlan_egress:
return _calc_ret(
# rldot1qPortVlanStaticUntaggedEgressList1to1024
vlan_untagged_egress_oid="1.3.6.1.4.1.89.48.68.1.5.%d" % port,
vlan_egress_bitmap=vlan_egress,
table_no=0,
)
# rldot1qPortVlanStaticEgressList1025to2048
vlan_egress = self.get_item("1.3.6.1.4.1.89.48.68.1.2.%d" % port)
if vlan_egress:
return _calc_ret(
# rldot1qPortVlanStaticUntaggedEgressList1025to2048
vlan_untagged_egress_oid="1.3.6.1.4.1.89.48.68.1.6.%d" % port,
vlan_egress_bitmap=vlan_egress,
table_no=1,
)
# rldot1qPortVlanStaticEgressList2049to3072
vlan_egress = self.get_item("1.3.6.1.4.1.89.48.68.1.3.%d" % port)
if vlan_egress:
return _calc_ret(
# rldot1qPortVlanStaticUntaggedEgressList2049to3072
vlan_untagged_egress_oid="1.3.6.1.4.1.89.48.68.1.7.%d" % port,
vlan_egress_bitmap=vlan_egress,
table_no=2,
)
# rldot1qPortVlanStaticEgressList3073to4094
vlan_egress = self.get_item("1.3.6.1.4.1.89.48.68.1.4.%d" % port)
if vlan_egress:
return _calc_ret(
# rldot1qPortVlanStaticUntaggedEgressList3073to4094
vlan_untagged_egress_oid="1.3.6.1.4.1.89.48.68.1.8.%d" % port,
vlan_egress_bitmap=vlan_egress,
table_no=3,
)
def scan_ports(self, request, pk=None):
device = self.get_object()
manager = device.get_manager_object_switch()
if not issubclass(manager.__class__, BaseSwitchInterface):
raise DeviceImplementationError(
"Expected BaseSwitchInterface subclass")
ports = manager.get_ports()
return Response(data=tuple(p.to_dict() for p in ports))
def apply_vlan_config(self, serializer):
device = self.device
if not device:
raise DeviceImplementationError("device could not found")
port_num = serializer.data.get("port_num")
if not port_num:
raise DeviceImplementationError("port_num field required")
mng = device.get_manager_object_switch()
vlans_data = serializer.data.get("vlans")
if not vlans_data:
raise DeviceImplementationError("vlans field required")
vlans_gen = (Vlan(**v) for v in vlans_data)
mng.attach_vlans_to_port(vlan_list=vlans_gen, port_num=port_num)
def attach_vlans_to_port(self, vlan_list: Vlans, port_num: int) -> tuple:
if port_num > self.ports_len or port_num < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
results = tuple(
self._toggle_vlan_on_port(vlan=v, port=port_num, member=True)
for v in vlan_list)
return results
def _make_ports_map(data: AnyStr) -> List[bool]:
if isinstance(data, bytes):
data = data[:4]
else:
raise DeviceImplementationError(
"data must be instance of bytes, %s got instead" %
data.__class__)
i = int.from_bytes(data, "big")
return list(v == "1" for v in f"{i:032b}")
def remove_from_olt(ip_addr: str, telnet_login: str, telnet_passw: str, telnet_prompt: str, int_name: str):
if not re.match(expect_util.IP4_ADDR_REGEX, ip_addr):
raise expect_util.ExpectValidationError("ip address for OLT not valid")
# Split "EPON0/1:17" for fiber_num - 1, and onu_num - 17
try:
fiber_num, onu_num = int_name.split("/")[1].split(":")
fiber_num, onu_num = safe_int(fiber_num), safe_int(onu_num)
except (IndexError, ValueError):
raise DeviceImplementationError("Device interface unexpected")
if onu_num < 1 or onu_num > 64:
raise DeviceImplementationError("Onu num must be in range 1-64")
# Enter
ch = expect_util.MySpawn("telnet %s" % ip_addr)
ch.timeout = 15
ch.expect_exact("Username: "******"Password: "******"Authentication failed!", "%s>" % telnet_prompt])
if choice == 0:
raise DeviceConsoleError(gettext("Wrong login or password for telnet access"))
# enable privileges
ch.do_cmd("enable", "%s#" % telnet_prompt)
# enter to config
ch.do_cmd("config", "%s_config#" % telnet_prompt)
fiber_prompt = "%s_config_epon0/%d#" % (telnet_prompt, fiber_num)
# enter to fiber
ch.do_cmd("int EPON0/%d" % fiber_num, fiber_prompt)
# unbind onu
ch.do_cmd("no epon bind-onu sequence %d" % onu_num, fiber_prompt)
# end removing
ch.close()
return True
def scan_units_unregistered(self, request, pk=None):
device = self.get_object()
manager = device.get_manager_object_olt()
if hasattr(manager, "get_fibers"):
unregistered = []
for fb in manager.get_fibers():
for unr in manager.get_units_unregistered(int(
fb.get("fb_id"))):
unregistered.append(unr)
return Response(unregistered)
return DeviceImplementationError(
"Manager has not get_fibers attribute")
def _set_vlans_on_port(self, vlan_list: Vlans, port_num: int):
if port_num > self.ports_len or port_num < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
port_num = port_num + 48
vids = (v.vid for v in vlan_list)
bit_maps = self.make_eltex_map_vlan(vids=vids)
oids = []
for tbl_num, bitmap in bit_maps.items():
oids.append(("1.3.6.1.4.1.89.48.68.1.%d.%d" % (tbl_num, port_num),
bitmap, "x"))
return self.set_multiple(oids)
def read_mac_address_vlan(self, vid: int) -> Macs:
vid = safe_int(vid)
if vid > 4095 or vid < 1:
raise DeviceImplementationError("VID must be in range 1-%d" % 4095)
fdb = self.get_list_with_oid(".1.3.6.1.2.1.17.7.1.2.2.1.2.%d" % vid)
vid_name = self._get_vid_name(vid)
for port_num, oid in fdb:
fdb_mac = ":".join("%.2x" % int(i) for i in oid[-6:])
yield MacItem(vid=vid,
name=vid_name,
mac=fdb_mac,
port=safe_int(port_num))
def __init__(self, dev_instance, *args, **kwargs):
dev_ip_addr = None
if dev_instance.ip_address:
dev_ip_addr = dev_instance.ip_address
else:
parent_device = dev_instance.parent_dev
if parent_device is not None and parent_device.ip_address:
dev_ip_addr = parent_device.ip_address
if dev_ip_addr is None:
raise DeviceImplementationError(
gettext(
"Ip address or parent device with ip address required for ONU device"
))
if not dev_instance.man_passw:
raise DeviceImplementationError(
gettext(
"For fetch additional device info, snmp community required"
))
super().__init__(dev_instance=dev_instance,
host=dev_ip_addr,
snmp_community=str(dev_instance.man_passw),
*args,
**kwargs)
def read_mac_address_port(self, port_num: int) -> Macs:
if port_num > self.ports_len or port_num < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
fdb = self.get_list_with_oid(".1.3.6.1.2.1.17.7.1.2.2.1.2")
for fdb_port, oid in fdb:
if port_num != int(fdb_port):
continue
vid = safe_int(oid[-7:-6][0])
fdb_mac = ":".join("%.2x" % int(i) for i in oid[-6:])
vid_name = self._get_vid_name(vid)
yield MacItem(vid=vid,
name=vid_name,
mac=fdb_mac,
port=safe_int(port_num))
def scan_onu_list(self, request, pk=None):
device = self.get_object()
manager = device.get_manager_object_olt()
if not issubclass(manager.__class__, BasePONInterface):
raise DeviceImplementationError(
"Expected BasePONInterface subclass")
def chunk_cook(chunk: dict) -> bytes:
chunk_json = json_dumps(chunk,
ensure_ascii=False,
cls=JSONBytesEncoder)
chunk_json = "%s\n" % chunk_json
format_string = "{:%ds}" % chunk_max_len
dat = format_string.format(chunk_json)
return dat.encode()[:chunk_max_len]
try:
onu_list = manager.scan_onu_list()
item_size = next(onu_list)
chunk_max_len = next(onu_list)
r = StreamingHttpResponse(streaming_content=(chunk_cook({
"number":
p.num,
"title":
p.name,
"status":
p.status,
"mac_addr":
p.mac,
"signal":
p.signal,
"uptime":
str(RuTimedelta(seconds=p.uptime / 100)) if p.uptime else None,
"fiberid":
p.fiberid,
}) for p in onu_list))
r["Content-Length"] = item_size * chunk_max_len
r["Cache-Control"] = "no-store"
r["Content-Type"] = "application/octet-stream"
return r
except StopIteration:
pass
return Response("No all fetched")
def make_eltex_map_vlan(vids: Iterable[int]) -> Dict[int, bytes]:
"""
https://eltexsl.ru/wp-content/uploads/2016/05/monitoring-i-upravlenie-ethernet-kommutatorami-mes-po-snmp.pdf
:param vids: Vlan id iterable collection
:return: bytes bit map vlan representation by Eltex version
with index of table in dict key
>>> EltexSwitch.make_eltex_map_vlan([3100])
{3: b'\\x00\\x00\\x00\\x10\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'}
>>> EltexSwitch.make_eltex_map_vlan([5, 6, 143, 152])
{0: b'\\x0c\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x02
\\x01\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00
\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00'}
"""
vids = list(vids)
vids.sort()
res = {}
for vid in vids:
if vid > 4095 or vid < 1:
raise DeviceImplementationError("VID must be in range 1-%d" %
4095)
table_no = int(math.floor(vid / 1024))
vid -= int(math.floor(vid / 1024)) * 1024
if res.get(table_no) is None:
res[table_no] = 0
res[table_no] |= 1 << (1024 - vid)
for k in res.keys():
res[k] = res[k].to_bytes(128, "big")
return res
def read_port_vlan_info(self, port: int) -> Vlans:
if port > self.ports_len or port < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
vid = 1
while True:
member_ports, vid = self.get_next_keyval(
".1.3.6.1.2.1.17.7.1.4.3.1.2.%d" % vid)
if not member_ports:
break
if isinstance(member_ports, str):
member_ports = member_ports.encode()
vid = safe_int(vid)
if vid in (0, 1):
break
member_ports = self._make_ports_map(member_ports[:4])
if not member_ports[port - 1]:
continue
untagged_members = self.get_item("1.3.6.1.2.1.17.7.1.4.3.1.4.%d" %
vid)
untagged_members = self._make_ports_map(untagged_members[:4])
name = self._get_vid_name(vid)
yield Vlan(vid=vid, title=name, native=untagged_members[port - 1])
def read_mac_address_port(self, port_num: int) -> Macs:
if port_num > self.ports_len or port_num < 1:
raise DeviceImplementationError("Port must be in range 1-%d" %
self.ports_len)
try:
ports_map = {
int(i): n + 1
for n, i in enumerate(self.get_list(".1.3.6.1.2.1.2.2.1.1"))
if int(i) > 0
}
except ValueError:
return
for fdb_port, oid in self.get_list_with_oid(
".1.3.6.1.2.1.17.7.1.2.2.1.2"):
real_fdb_port_num = ports_map.get(int(fdb_port))
if port_num != real_fdb_port_num:
continue
vid = safe_int(oid[-7:-6][0])
fdb_mac = ":".join("%.2x" % int(i) for i in oid[-6:])
vid_name = self._get_vid_name(vid)
yield MacItem(vid=vid,
name=vid_name,
mac=fdb_mac,
port=real_fdb_port_num)