def __split_unit(self, readable_value):
if RealNumber(readable_value).is_type():
if self._default_unit is None:
raise UnitNotFoundError(
"unit not found",
value=readable_value,
available_units=_get_unit_msg(self._text_units),
)
return (readable_value, self._default_unit)
if not String(readable_value).is_type():
raise TypeError("readable_value must be a string")
for unit in self._units:
try:
if unit.regexp.search(readable_value):
number = unit.regexp.split(readable_value)[0]
if not RealNumber(number).is_type():
continue
return (number, unit)
except TypeError:
continue
raise UnitNotFoundError(
"unit not found",
value=readable_value,
available_units=_get_unit_msg(self._text_units),
)
def validate_netem_parameter(self):
self.validate_bandwidth_rate()
self.__validate_network_delay()
self.__validate_packet_loss_rate()
self.__validate_packet_duplicate_rate()
self.__validate_corruption_rate()
self.__validate_reordering_rate()
self.__validate_reordering_and_delay()
netem_param_value_list = [
self.bandwidth_rate,
self.__packet_loss_rate,
self.__packet_duplicate_rate,
self.__corruption_rate,
self.__reordering_rate,
]
if all([
not RealNumber(netem_param_value).is_type()
or netem_param_value <= 0
for netem_param_value in netem_param_value_list
] + [
self.__latency_time <= HumanReadableTime(
Tc.ValueRange.LatencyTime.MIN)
]):
raise ParameterError(
"there are no valid net emulation parameters found. "
"at least one or more following parameters are required: "
"--rate, --delay, --loss, --duplicate, --corrupt, --reordering"
)
def validate_netem_parameter(self):
self.validate_bandwidth_rate()
self.__validate_network_delay()
self.__validate_packet_loss_rate()
self.__validate_packet_duplicate_rate()
self.__validate_corruption_rate()
self.__validate_reordering_rate()
self.__validate_reordering_and_delay()
netem_param_values = [
self.__packet_loss_rate,
self.__packet_duplicate_rate,
self.__corruption_rate,
self.__reordering_rate,
]
if self.__bandwidth_rate:
netem_param_values.append(self.__bandwidth_rate.kilo_bps)
check_results = [
not RealNumber(netem_param_value).is_type() or netem_param_value <= 0
for netem_param_value in netem_param_values
]
if self.__latency_time:
check_results.append(self.__latency_time <= hr.Time(Tc.ValueRange.LatencyTime.MIN))
if all(check_results):
raise hr.ParameterError(
"there are no valid net emulation parameters found. "
"at least one or more following parameters are required: "
"--rate, --delay, --loss, --duplicate, --corrupt, --reordering"
)
def __exeute_method(self, method, value):
try:
result = getattr(self.typeclass(value, self.strict_level),
method)()
if method == "validate":
result = "-"
except (TypeError, typepy.TypeConversionError):
return '"E"'
# for string tests
if NullString(result, StrictLevel.MAX).is_type():
return '""'
strict_level = StrictLevel.MAX
typeobj = Integer(result, strict_level)
if typeobj.is_type():
return typeobj.convert()
typeobj = RealNumber(result, strict_level)
if typeobj.is_type():
return typeobj.convert()
if String(result, strict_level).is_type():
return '"{}"'.format(result)
if Infinity(result, strict_level).is_type():
return '"inf"'
if Nan(result, strict_level).is_type():
return '"nan"'
return result
def get_integer_digit(value):
from typepy import RealNumber, TypeConversionError
float_type = RealNumber(value)
try:
abs_value = abs(float_type.convert())
except TypeConversionError:
raise ValueError(
"the value must be a number: value='{}' type='{}'".format(value, type(value))
)
if abs_value.is_zero():
return 1
try:
return len(text_type(abs_value.quantize(Decimal("1."), rounding=decimal.ROUND_DOWN)))
except decimal.InvalidOperation as e:
raise ValueError(e)
def __get_additional_format_len(self) -> int:
if not RealNumber(self.data, strip_ansi_escape=False).is_type():
return 0
format_len = 0
if Decimal(self.data) < 0:
# for minus character
format_len += 1
return format_len
def test_normal_send_parse(self, transmitter, ping_parser, host, count):
transmitter.destination = host
transmitter.count = count
result = transmitter.ping()
ping_parser.parse(result.stdout)
assert ping_parser.packet_transmit >= count
assert RealNumber(ping_parser.packet_receive).is_type()
assert RealNumber(ping_parser.packet_loss_rate).is_type()
assert RealNumber(ping_parser.packet_loss_count).is_type()
assert RealNumber(ping_parser.packet_duplicate_rate).is_type()
assert RealNumber(ping_parser.packet_duplicate_count).is_type()
assert RealNumber(ping_parser.rtt_min).is_type()
assert RealNumber(ping_parser.rtt_avg).is_type()
assert RealNumber(ping_parser.rtt_max).is_type()
assert RealNumber(ping_parser.rtt_mdev).is_type()
def test_normal_send_parse(self, transmitter, ping_parser, host, count):
transmitter.destination = host
transmitter.count = count
result = transmitter.ping()
stats = ping_parser.parse(result.stdout)
assert stats.packet_transmit >= count
assert RealNumber(stats.packet_receive).is_type()
assert RealNumber(stats.packet_loss_rate).is_type()
assert RealNumber(stats.packet_loss_count).is_type()
assert RealNumber(stats.packet_duplicate_rate).is_type()
assert RealNumber(stats.packet_duplicate_count).is_type()
assert RealNumber(stats.rtt_min).is_type()
assert RealNumber(stats.rtt_avg).is_type()
assert RealNumber(stats.rtt_max).is_type()
assert RealNumber(stats.rtt_mdev).is_type()
assert IcmpReplyKey.TIMESTAMP not in stats.icmp_replies[0]
def get_integer_digit(value):
from typepy import RealNumber, TypeConversionError
float_type = RealNumber(value)
try:
abs_value = abs(float_type.convert())
except TypeConversionError:
raise ValueError(
"the value must be a number: value='{}' type='{}'".format(
value, type(value)))
if abs_value.is_zero():
return 1
try:
return len(
text_type(
abs_value.quantize(Decimal("1."),
rounding=decimal.ROUND_DOWN)))
except decimal.InvalidOperation as e:
raise ValueError(e)
def is_invalid_param(rate, delay, packet_loss, packet_duplicate, corrupt,
reordering):
param_values = [packet_loss, packet_duplicate, corrupt, reordering]
print("rate={}, params={}".format(rate, param_values))
is_invalid = all([
not RealNumber(param_value).is_type() or param_value <= 0
for param_value in param_values
] + [hr.Time(delay, hr.Time.Unit.MILLISECOND).milliseconds <= 0])
try:
hr.BitPerSecond(rate).bps
except (TypeError, ValueError):
pass
else:
is_invalid = False
return is_invalid
def is_invalid_param(rate, delay, packet_loss, packet_duplicate, corrupt,
reordering):
param_value_list = [packet_loss, packet_duplicate, corrupt, reordering]
print(param_value_list)
is_invalid = all([
not RealNumber(param_value).is_type() or param_value <= 0
for param_value in param_value_list
] + [HumanReadableTime(delay) <= HumanReadableTime("0ms")])
try:
Humanreadable(rate, kilo_size=1000).to_bit()
except (TypeError, ValueError):
pass
else:
is_invalid = False
return is_invalid
def validate_bandwidth_rate(self):
if typepy.is_null_string(self.__bandwidth_rate):
return
# convert bandwidth string [K/M/G bit per second] to a number
bandwidth_rate = Humanreadable(self.__bandwidth_rate,
kilo_size=KILO_SIZE).to_kilo_bit()
if not RealNumber(bandwidth_rate).is_type():
raise ParameterError("bandwidth_rate must be a number",
value=bandwidth_rate)
if bandwidth_rate <= 0:
raise ParameterError("bandwidth_rate must be greater than zero",
value=bandwidth_rate)
no_limit_kbits = get_no_limit_kbits(self.__device)
if bandwidth_rate > no_limit_kbits:
raise ParameterError(
"exceed bandwidth rate limit",
value="{} kbps".format(bandwidth_rate),
expected="less than {} kbps".format(no_limit_kbits),
)
def update(self, value):
store_value = RealNumber(value).try_convert()
if store_value is None:
return
self.__value_list.append(store_value)
