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# Copyright (c) 2022 Intel and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from InputFormat import InputFormat
def ByteArrayToString(data):
if len(data) == 0:
return ""
sb = []
for i in range(len(data) - 1):
sb.append("%02x" % data[i])
sb.append("%02x" % data[len(data) - 1])
return sb
def ToNum(exp):
if exp == None:
return True, None
exp = exp.strip()
if exp.startswith("0x"):
out = int(exp, 16)
else:
try:
out = int(exp)
except:
return False, None
return True, out
def ToIPv4Address(exp):
ipv4 = [0] * 4
exp = exp.strip()
tokens = exp.split(".")
if len(tokens) != 4:
return False, bytes(4)
for i in range(4):
u8 = int(tokens[i])
if u8 == None:
return False, bytes(4)
ipv4[i] = u8
return True, bytes(ipv4)
def ToIPv6Address(exp):
ipv6 = [0] * 16
exp = exp.strip()
tokens = exp.split(":")
if len(tokens) != 8:
return False, bytes(16)
for i in range(8):
u16 = int(tokens[i], 16)
if u16 == None:
return False, bytes(16)
ipv6[i * 2] = u16 >> 8
ipv6[i * 2 + 1] = u16 & 0xFF
return True, bytes(ipv6)
def ToMacAddress(exp):
mac = [0] * 6
exp = exp.strip()
tokens = exp.split(":")
if len(tokens) != 6:
return False, bytes(6)
for i in range(6):
u8 = int(tokens[i], 16)
if u8 == None:
return False, bytes(6)
mac[i] = u8
return True, bytes(mac)
def ToByteArray(exp):
exp = exp.strip()
tokens = exp.split(",")
tmp = [] * len(tokens)
for i in range(len(tokens)):
_, num = ToNum(tokens[i])
if num == 0:
return False, bytes(len(tokens))
tmp[i] = ToNum(tokens[i])
return True, bytes(tmp)
def Verify(format, expression):
if (
format == InputFormat.u8
or format == InputFormat.u16
or format == InputFormat.u32
or format == InputFormat.u64
):
return ToNum(expression)
elif format == InputFormat.ipv4:
return ToIPv4Address(expression)
elif format == InputFormat.ipv6:
return ToIPv6Address(expression)
elif format == InputFormat.mac:
return ToMacAddress(expression)
elif format == InputFormat.bytearray:
return ToByteArray(expression)
else:
return False, 0
def IncreaseValue(expression, size):
if expression == None:
return str(size)
_, num = ToNum(expression)
return str(num + size)
def Equal(exp, val):
if exp == None:
num_1 = 0
else:
_, num_1 = ToNum(exp)
if not num_1:
return False
_, num_2 = ToNum(val)
if not num_2:
return False
return num_1 == num_2
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