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psl_typ.py
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# -*- coding: utf-8 -*-
"Base Types for ProSafeLinux Class"
import binascii
import struct
class PslError:
"Error class to map error codes to descriptions"
def __init__(self, code, desc):
"constructor"
self.code = code
self.desc = desc
def get_code(self):
"error code"
return self.code
def get_desc(self):
"human-readable error description"
return self.desc
class PslTyp:
"Base type every other type is inherited by this"
def __init__(self, cmd_id, name):
"constructor"
self.cmd_id = cmd_id
self.name = name
def get_id(self):
"id of the command used by the switch to identify the command"
return self.cmd_id
def get_name(self):
"name used by humans to identify the command"
return self.name
def pack_py(self, value):
"pack a value to a represenation used by the switch"
raise NotImplementedError
def unpack_py(self, value):
"unpack a switch value to a represenation used by the programm"
raise NotImplementedError
def pack_cmd(self, value):
"pack something given from the cmd line"
raise NotImplementedError
def unpack_cmd(self, value):
"unpack something given from the cmd line"
raise NotImplementedError
def print_result(self, value):
"print a result for a query action"
print("%-30s%s" % (self.get_name().capitalize(), value))
def is_setable(self):
"can this command be set like name (not like firmware version)"
return False
def is_queryable(self):
"can the command be queryed like name (not like reboot switch)"
return True
def get_choices(self):
"if there is more than one choice you can query it here"
return None
def get_num_args(self):
"Number of arguments needed to set"
return 1
def get_metavar(self):
"argparse metavar to set"
return None
def get_set_type(self):
"argparse type to set"
return None
def get_set_help(self):
"argparse help argument for set operation"
return None
def allow_multiple(self):
"can this command be set multiple times in one transaction"
return self.get_num_args() > 1
###############################################################################
class PslTypString(PslTyp):
"A String typ line name"
def pack_py(self, value):
return value.encode()
def unpack_py(self, value):
return value.decode()
def pack_cmd(self, value):
return value.encode()
def unpack_cmd(self, value):
return value.decode()
def is_setable(self):
return True
###############################################################################
class PslTypStringQueryOnly(PslTypString):
"a string type which can only be queried but not changed like firmware ver."
def is_setable(self):
return False
###############################################################################
class PslTypPassword(PslTypString):
"a password can be set, but not queried"
def __init__(self, cmd_id, name, setable):
PslTypString.__init__(self, cmd_id, name)
self.setable = setable
def is_queryable(self):
return False
def is_setable(self):
return self.setable
################################################################################
class PslTypBoolean(PslTyp):
" A boolean type, like dhcp on or off"
def pack_py(self, value):
if (value):
return struct.pack(">b", 0x01)
else:
return struct.pack(">b", 0x00)
def unpack_py(self, value):
if len(value)==1:
numval = struct.unpack(">b", value)[0]
else:
numval = struct.unpack(">h",value)[0]
return (numval == 0x01)
def pack_cmd(self, value):
return self.pack_py(value.lowercase == "on")
def unpack_cmd(self, value):
if (self.unpack_py(value)):
return "on"
else:
return "off"
def is_setable(self):
return True
def get_choices(self):
return ["on", "off"]
###############################################################################
class PslTypFiltering(PslTyp):
" Broadcast filtering, like a boolean but 0x00 and 0x03"
def pack_py(self, value):
if (value):
return struct.pack(">b", 0x03)
else:
return struct.pack(">b", 0x00)
def unpack_py(self, value):
numval = struct.unpack(">b", value)[0]
return (numval == 0x03)
def pack_cmd(self, value):
return self.pack_py(value.lowercase == "on")
def unpack_cmd(self, value):
if (self.unpack_py(value)):
return "on"
else:
return "off"
def is_setable(self):
return True
def get_choices(self):
return ["on", "off"]
###############################################################################
class PslTypDHCP(PslTypBoolean):
"DHCP"
# we already have that in base PslTypBoolean class, haven't we ?
# def pack_py(self, value):
# if (value):
# # DHCP on
# return struct.pack(">b", 0x01)
# else:
# return struct.pack(">b", 0x00)
###############################################################################
class PslTypAction(PslTypBoolean):
"An action like reset or reboot switch"
def pack_py(self, value):
return struct.pack(">b", 0x01)
def is_queryable(self):
return False
def is_setable(self):
return True
###############################################################################
class PslTypMac(PslTyp):
"the mac address"
def pack_py(self, val):
if (len(val) == 17):
return binascii.unhexlify(val[0:2] + val[3:5] + val[6:8] +
val[9:11] + val[12:14] + val[15:17])
if (len(val) == 12):
return binascii.unhexlify(val)
raise "unkown mac format=" + val
def unpack_py(self, value):
mac = binascii.hexlify(value)
mac = mac.decode() # binascii.hexlify() yields a byte list in Python 3
return (mac[0:2] + ":" + mac[2:4] + ":" + mac[4:6] + ":" + mac[6:8] +
":" + mac[8:10] + ":" + mac[10:12])
def pack_cmd(self, value):
return self.pack_py(value)
def unpack_cmd(self, value):
return self.unpack_py(value)
################################################################################
class PslTypIpv4(PslTyp):
"IPv4 adrresss, gateway or netmask"
def pack_py(self, value):
adr = value.split(".")
if len(adr)!= 4:
raise ValueError("IP address wrong format %s" % value)
for i in range(4):
try:
num = int(adr[i])
except ValueError:
raise ValueError("IP address wrong format %s (String?)" % value)
if num > 255:
raise ValueError("IP address wrong format %s (>255)" % value)
if num < 0:
raise ValueError("IP address wrong format %s (<0)" % value)
return struct.pack(">BBBB", int(adr[0]), int(adr[1]), int(adr[2]),
int(adr[3]))
def unpack_py(self, value):
adr = struct.unpack(">BBBB", value)
return "%d.%d.%d.%d" % (adr[0], adr[1], adr[2], adr[3])
def pack_cmd(self, value):
return self.pack_py(value)
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
################################################################################
class PslTypHex(PslTyp):
"just decode to hex"
def pack_py(self, value):
return binascii.unhexlify(value)
def unpack_py(self, value):
return binascii.hexlify(value).decode()
def pack_cmd(self, value):
return self.pack_py(value)
def unpack_cmd(self, value):
return self.unpack_py(value)
################################################################################
class PslTypDec(PslTyp):
"just decode to decimal"
def pack_py(self, value):
return binascii.unhexlify(value)
def unpack_py(self, value):
# Convert bytes to a hex string then to a decimal integer
# This allows us to convert a big-endian value of unknown length
return int(binascii.hexlify(value).decode(), 16)
def pack_cmd(self, value):
return self.pack_py(value)
def unpack_cmd(self, value):
return self.unpack_py(value)
################################################################################
class PslTypUnknown(PslTypHex):
"Unknown Data"
def unpack_cmd(self, value):
return "Unknown: %s - %s" % (self.name, binascii.hexlify(value))
################################################################################
class PslTypHexNoQuery(PslTypHex):
"not query hex"
def is_queryable(self):
return False
################################################################################
class PslTypEnd(PslTypHex):
"the last cmd of an query is End"
def is_setable(self):
return False
def is_queryable(self):
return False
def print_result(self, value):
pass
################################################################################
class PslTypPortStatus(PslTyp):
"Speed/flow control status per port"
SPEED_NONE = 0x00
SPEED_10MH = 0x01
SPEED_10MF = 0x02
SPEED_100MH = 0x03
SPEED_100MF = 0x04
SPEED_1G = 0x05
speed_to_string = {
SPEED_NONE: "Not conn.",
SPEED_10MH: "10Mbit/s half",
SPEED_10MF: "10Mbit/s",
SPEED_100MH: "100Mbit/s half",
SPEED_100MF: "100Mbit/s",
SPEED_1G: "1Gbit/s"
}
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
rtn = {
"port": struct.unpack(">b", value[0])[0],
"speed": struct.unpack(">b", value[1])[0],
"flow": struct.unpack(">b", value[2])[0]
}
else:
rtn = {
"port": value[0],
"speed": value[1],
"flow": value[2]
}
return rtn
def is_setable(self):
return False
def print_result(self, value):
print("%-30s%4s%20s%15s" % ("Status:", "Port",
"Speed", "Flow control"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
speed = self.speed_to_string[row["speed"]]
flow = "Enabled"
if row["flow"] == 0:
flow = "Disabled"
print("%-30s%4d%20s%15s" % ("", row["port"], speed, flow))
def unpack_cmd(self, value):
return self.unpack_py(value)
################################################################################
class PslTypAdminPortStatus(PslTyp):
"Max speed/flow control per port"
SPEED_DISABLE = 0x00
SPEED_AUTO = 0x01
SPEED_10MH = 0x02
SPEED_10MF = 0x03
SPEED_100MH = 0x04
SPEED_100MF = 0x05
speed_to_string = {
SPEED_DISABLE: "Disable",
SPEED_AUTO: "Auto",
SPEED_10MH: "10M half",
SPEED_10MF: "10M",
SPEED_100MH: "100M half",
SPEED_100MF: "100M",
}
string_to_speed = {
"DISABLE":SPEED_DISABLE,
"AUTO":SPEED_AUTO,
"10MH":SPEED_10MH,
"10M":SPEED_10MF,
"100MH":SPEED_100MH,
"100M":SPEED_100MF,
}
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
rtn = {
"port": struct.unpack(">b", value[0])[0],
"speed": struct.unpack(">b", value[1])[0],
"flow": struct.unpack(">b", value[2])[0]
}
else:
rtn = {
"port": value[0],
"speed": value[1],
"flow": value[2]
}
return rtn
def pack_py(self, value):
port = int(value[0])
speed = self.string_to_speed[value[1].upper()]
flow = (value[2].lower() == "on")
rtn = struct.pack(">bbb", port, speed, flow)
return rtn
def unpack_cmd(self, value):
return self.unpack_py(value)
def print_result(self, value):
print("%-30s%4s%20s%15s" % ("Status:", "Port",
"Speed", "Flow control"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
speed = self.speed_to_string[row["speed"]]
flow = "On"
if row["flow"] == 0:
flow = "Off"
print("%-30s%4d%20s%15s" % ("", row["port"], speed, flow))
def is_queryable(self):
return True
def is_setable(self):
return True
def get_num_args(self):
return 3
def get_metavar(self):
return ("PORT", "SPEED", "FLOW")
def get_set_help(self):
out = "SPEED can be: NONE,AUTO,10MH,10M,100MH,100M, FLOW can be: ON, OFF"
return out
################################################################################
class PslTypPortStat(PslTyp):
"how many bytes are received/send on each port"
def unpack_py(self, val):
# Python 3 uses an array of bytes, Python 2 uses a string
values = struct.unpack("!b6Q", val)
rtn = {
"port": values[0],
"rec": values[1],
"send": values[2],
"pkt": values[3],
"bcst": values[4],
"mcst": values[5],
"error": values[6]
}
return rtn
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return False
def print_result(self, value):
print("%-30s%4s%15s%15s%15s%15s%15s%15s" % ("Port Statistic:", "Port",
"Rec.", "Send", "Packets",
"Broadcast pkt", "Multicast pkt",
"CRC errors"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%4d%15d%15d%15d%15d%15d%15d" % ("",
row["port"], row["rec"],
row["send"], row["pkt"],
row["bcst"], row["mcst"],
row["error"]))
################################################################################
class PslTypBandwidth(PslTyp):
"limit bandwidth"
SPEED_LIMIT_NONE = 0x0000
SPEED_LIMIT_512K = 0x0001
SPEED_LIMIT_1M = 0x0002
SPEED_LIMIT_2M = 0x0003
SPEED_LIMIT_4M = 0x0004
SPEED_LIMIT_8M = 0x0005
SPEED_LIMIT_16M = 0x0006
SPEED_LIMIT_32M = 0x0007
SPEED_LIMIT_64M = 0x0008
SPEED_LIMIT_128M = 0x0009
SPEED_LIMIT_256M = 0x000a
SPEED_LIMIT_512M = 0x000b
speed_to_string = {
SPEED_LIMIT_NONE: " NONE ",
SPEED_LIMIT_512K: " 0.5M",
SPEED_LIMIT_1M: " 1.0M",
SPEED_LIMIT_2M: " 2.0M",
SPEED_LIMIT_4M: " 4.0M",
SPEED_LIMIT_8M: " 8.0M",
SPEED_LIMIT_16M: " 16.0M",
SPEED_LIMIT_32M: " 32.0M",
SPEED_LIMIT_64M: " 64.0M",
SPEED_LIMIT_128M: "128.0M",
SPEED_LIMIT_256M: "256.0M",
SPEED_LIMIT_512M: "512.0M"
}
string_to_speed = {
"NONE":SPEED_LIMIT_NONE,
"512K":SPEED_LIMIT_512K,
"1M":SPEED_LIMIT_1M,
"2M":SPEED_LIMIT_2M,
"4M":SPEED_LIMIT_4M,
"8M":SPEED_LIMIT_8M,
"16M":SPEED_LIMIT_16M,
"32M":SPEED_LIMIT_32M,
"64M":SPEED_LIMIT_64M,
"128M":SPEED_LIMIT_128M,
"256M":SPEED_LIMIT_256M,
"512M":SPEED_LIMIT_512M
}
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
rtn = {
"port": struct.unpack(">b", value[0])[0],
"limit": struct.unpack(">h", value[3::])[0],
"rest": binascii.hexlify(value[1:3]),
}
else:
rtn = {
"port": value[0],
"limit": struct.unpack(">h", value[3::])[0],
"rest": binascii.hexlify(value[1:3]).decode(),
}
return rtn
def pack_py(self, value):
limit = self.string_to_speed[value[1]]
rtn = struct.pack(">bbbh", int(value[0]), 0, 0, limit)
return rtn
def print_result(self, value):
print("%-30s%4s%15s %s" % (self.get_name().capitalize(), "Port",
"Limit", "FIXME"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%4d%15s %s " % ("",
row["port"],
self.speed_to_string[row["limit"]],
row["rest"]))
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
def get_num_args(self):
return 2
def get_metavar(self):
return ("PORT", "LIMIT")
def get_set_help(self):
out = "LIMIT can be: NONE,512K,1M,2M,4M,16M,32M,64M,128M,256M,512M"
return out
################################################################################
class PslTypVlanId(PslTyp):
"Vlan ports are binary coded"
BIN_PORTS = {1: 0x80,
2: 0x40,
3: 0x20,
4: 0x10,
5: 0x08,
6: 0x04,
7: 0x02,
8: 0x01
}
def set_total_ports(self, total_ports):
# Calculate number of bytes required to store bitmap of all ports
self.total_ports = total_ports
self.num_port_bytes = (total_ports + 7) // 8
def unpack_ports(self, port_bitmap, start = 0, length = 0):
if length == 0:
length = len(port_bitmap) - start
port_bitmap = port_bitmap[start:start + length]
port_list = []
base = 0
# Bytes are a bitmap of the ports from left-to-right
# (so most-significant bit in the first byte is port 1)
for ports in struct.unpack("%uB" % len(port_bitmap), port_bitmap):
for port in list(self.BIN_PORTS.keys()):
if (ports & self.BIN_PORTS[port] > 0):
port_list.append(port + base)
base += 8
return port_list
def pack_ports(self, ports):
"helper method to pack ports to binary"
port_list = [0] * self.num_port_bytes
if ports == "":
return port_list
if type(ports) is not list:
ports = ports.split(",")
for port in ports:
port = int(port)
base = (port - 1) // 8
if base < len(port_list):
port_list[base] |= self.BIN_PORTS[((port - 1) % 8) + 1]
else:
raise ValueError("Port '{}' is out of range".format(port))
# Return a packed structure here to allow compatibility with
# Python2 that will not allow multiple tuples to be unpacked in one
# line so the results from multple calls to 'pack_ports' cannot be
# passed to struct.pack unless we return a single value here (and not
# a tuple)
return struct.pack("%uB" % len(port_list), *port_list)
def unpack_py(self, value):
out_ports = self.unpack_ports(value, 2)
rtn = {
"vlan_id": struct.unpack(">h", value[0:2])[0],
"ports": out_ports
}
return rtn
def pack_py(self, value):
ports = self.pack_ports(value[1])
return struct.pack(">h%us" % len(ports), int(value[0]), ports)
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
def get_num_args(self):
return 2
def get_metavar(self):
return ("VLAN_ID", "PORTS")
def print_result(self, value):
print("%-30s%7s %s" % (self.get_name().capitalize(), "VLAN_ID",
"Ports"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%7d %s" % ("",
int(row["vlan_id"]),
",".join([str(x) for x in row["ports"]])))
################################################################################
class PslTypVlan802Id(PslTypVlanId):
"802Vlan is binary coded"
def unpack_py(self, value):
port_len = (len(value) - 1) // 2
out_member_ports = self.unpack_ports(value, 2, port_len)
out_tagged_ports = self.unpack_ports(value, 2 + port_len, port_len)
rtn = {
"vlan_id": struct.unpack(">h", value[0:2])[0],
"member_ports":out_member_ports,
"tagged_ports": out_tagged_ports
}
return rtn
def pack_py(self, value):
members = self.pack_ports(value[1])
tagged = self.pack_ports(value[2])
rtn = struct.pack(">h%us%us" % (len(members), len(tagged)), int(value[0]), members, tagged)
return rtn
def unpack_cmd(self, value):
return self.unpack_py(value)
def get_num_args(self):
return 3
def get_metavar(self):
return ("VLAN_ID", "MEMBER_PORTS", "TAGGED_PORTS")
def print_result(self, value):
print("%-30s%7s %18s %18s" % (self.get_name().capitalize(), "VLAN_ID",
"Member ports","Tagged ports"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%7d %18s %18s" % ("",
int(row["vlan_id"]),
",".join([str(x) for x in row["member_ports"]]),
",".join([str(x) for x in row["tagged_ports"]])))
################################################################################
class PslTypVlanPVID(PslTyp):
"The PVID"
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
rtn = {
"port": struct.unpack(">B", value[0])[0],
"vlan_id": struct.unpack(">h", value[1:])[0]
}
else:
rtn = {
"port": value[0],
"vlan_id": struct.unpack(">h", value[1:])[0]
}
return rtn
def pack_py(self, value):
# value = value.encode()
rtn = struct.pack(">Bh", int(value[0]), int(value[1]))
return rtn
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
def get_num_args(self):
return 2
def get_metavar(self):
return ("PORT","VLAN_ID")
def get_set_type(self):
return int
def print_result(self, value):
print("%-30s%4s %s" % (self.get_name().capitalize(), "Port",
"VLAN_ID"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%4d %7d" % ("",
row["port"],
row["vlan_id"]))
def get_set_help(self):
return "an untagged package on PORT will get this VLAN_ID"
################################################################################
class PslTypDeleteVlan(PslTyp):
"Delete vlan"
def unpack_py(self, value):
return struct.unpack(">h", value)[0]
def pack_py(self, value):
rtn = struct.pack(">h", int(value))
return rtn
def pack_cmd(self, value):
return self.pack_py(value)
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_queryable(self):
return False
def is_setable(self):
return True
def get_num_args(self):
return 1
def allow_multiple(self):
return True
################################################################################
class UnknownValueException(Exception):
"Found something which I don't know"
class PslTypQosMode(PslTyp):
"Quality of service is port_based or 802.1p"
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
val = struct.unpack(">B", value[0])[0]
else:
val = value[0]
if (val == 0x01):
return "port_based"
if (val == 0x02):
return "802.1p"
return val
def pack_py(self, value):
if (value == "802.1p"):
return struct.pack(">B", 0x02)
if (value == "port_based"):
return struct.pack(">B", 0x01)
raise UnknownValueException("Unknown value %s" % value)
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
def get_choices(self):
return ["port_based","802.1p"]
################################################################################
class PslTypPortBasedQOS(PslTyp):
"Port based quality of service"
QOS_PRIORITY = {
0x01:"HIGH",
0x02:"MIDDLE",
0x03:"NORMAL",
0x04:"LOW"
}
def unpack_py(self, value):
# Python 3 uses an array of bytes, Python 2 uses a string
if type(value) is str:
rtn = {
"port": struct.unpack(">B", value[0])[0],
"qos": self.QOS_PRIORITY[struct.unpack(">B", value[1:])[0]]
}
else:
rtn = {
"port": value[0],
"qos": self.QOS_PRIORITY[struct.unpack(">B", value[1:])[0]]
}
return rtn
def pack_py(self, value):
qos = None
for k in list(self.QOS_PRIORITY.keys()):
val = self.QOS_PRIORITY[k]
if val == value[1]:
qos = k
if qos == None:
raise UnknownValueException("Unknown value %s" % value[1])
return struct.pack(">BB", int(value[0]), qos)
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True
def get_num_args(self):
return 2
def get_metavar(self):
return ("PORT","QOS")
def get_set_help(self):
return "QOS can be HIGH, MIDDLE, NORMAL, or LOW"
def print_result(self, value):
print("%-30s%4s %s" % (self.get_name().capitalize(), "Port",
"Priority"))
# Make sure we have a list of values (even if it's just a list of one)
if type(value) != list:
value = [value]
for row in value:
print("%-30s%4d %s" % ("",
row["port"],
row["qos"]))
################################################################################
class PslTypIGMPSnooping(PslTyp):
"IGMP Snooping"
def unpack_py(self, value):
enabled = struct.unpack(">h", value[0:2])[0]
if (enabled == 0):
return None
if (enabled == 0x0001):
# VLAN Id
return struct.unpack(">h", value[2:])[0]
raise UnknownValueException("Unknown value %d" % enabled)
def pack_py(self, value):
if (value == "none"):
return struct.pack(">hh", 0, 0)
return struct.pack(">hh", 0x0001, int(value))
def unpack_cmd(self, value):
return self.unpack_py(value)
def is_setable(self):
return True