def _get_int_value(self, message, value):
bin_len = self.length.decode_lengths(message)[0] * 8
min = pow(-2, (bin_len - 1))
max = pow(2, (bin_len - 1)) - 1
if not min <= to_int(value) <= max:
raise AssertionError('Value %s out of range (%d..%d)' %
(value, min, max))
return to_twos_comp(value, bin_len)
def _get_int_value(self, message, value):
bin_len = self.length.decode_lengths(message)[0] * 8
min = pow(-2, (bin_len - 1))
max = pow(2, (bin_len - 1)) - 1
if not min <= to_int(value) <= max:
raise AssertionError('Value %s out of range (%d..%d)'
% (value, min, max))
return to_twos_comp(value, bin_len)
def _matches(self, header, fields, header_filter):
if header_filter:
if header_filter not in fields:
raise AssertionError('Trying to filter messages by header field %s, but no value has been set for %s' %
(header_filter, header_filter))
field = header[header_filter]
if field._type == 'chars':
if fields[header_filter].startswith('REGEXP:'):
try:
regexp = fields[header_filter].split(':')[1].strip()
return bool(re.match(regexp, field.ascii))
except re.error as e:
raise Exception("Invalid RegEx Error : " + str(e))
return field.ascii == fields[header_filter]
if field._type == 'uint':
return field.uint == to_int(fields[header_filter])
if header[header_filter].bytes != to_bin(fields[header_filter]):
return False
return True
def _matches(self, header, fields, header_filter):
if header_filter:
if header_filter not in fields:
raise AssertionError(
'Trying to filter messages by header field %s, but no value has been set for %s'
% (header_filter, header_filter))
field = header[header_filter]
if field._type == 'chars':
if fields[header_filter].startswith('REGEXP:'):
try:
regexp = fields[header_filter].split(':')[1].strip()
return bool(re.match(regexp, field.ascii))
except re.error as e:
raise Exception("Invalid RegEx Error : " + str(e))
return field.ascii == fields[header_filter]
if field._type == 'uint':
return field.uint == to_int(fields[header_filter])
if header[header_filter].bytes != to_bin(fields[header_filter]):
return False
return True
def _apply_mask_to_values(self, forced_pattern, value):
val = forced_pattern[1:-1].split('&')[0].strip()
mask = forced_pattern[1:-1].split('&')[1].strip()
return to_int(val) & to_int(mask), to_int(
to_0xhex(value)) & to_int(mask)
def _apply_mask_to_values(self, forced_pattern, value):
val = forced_pattern[1:-1].split('&')[0].strip()
mask = forced_pattern[1:-1].split('&')[1].strip()
return to_int(val) & to_int(mask), to_int(to_0xhex(value)) & to_int(mask)