def _from_response(self, data):
if len(data) != 16:
raise DecodingError('Invalid SEL record length (%d)' % len(data))
self.data = data
# pop will change data, therefore copy it
buffer = ByteBuffer(data)
self.record_id = buffer.pop_unsigned_int(2)
self.type = buffer.pop_unsigned_int(1)
if (self.type != self.TYPE_SYSTEM_EVENT
and self.type not in self.TYPE_OEM_TIMESTAMPED_RANGE
and self.type not in self.TYPE_OEM_NON_TIMESTAMPED_RANGE):
raise DecodingError('Unknown SEL type (0x%02x)' % self.type)
self.timestamp = buffer.pop_unsigned_int(4)
self.generator_id = buffer.pop_unsigned_int(2)
self.evm_rev = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.sensor_number = buffer.pop_unsigned_int(1)
event_desc = buffer.pop_unsigned_int(1)
if event_desc & 0x80:
self.event_direction = EVENT_DEASSERTION
else:
self.event_direction = EVENT_ASSERTION
self.event_type = event_desc & 0x3f
self.event_data = buffer.pop_string(3)
def _encode(self):
if not hasattr(self, '__fields__'):
raise NotImplementedError('You have to overwrite this method')
data = ByteBuffer()
for field in self.__fields__:
field.encode(self, data)
return data.to_string()
def _encode(self):
if not hasattr(self, '__fields__'):
raise NotImplementedError('You have to overwrite this method')
data = ByteBuffer()
for field in self.__fields__:
field.encode(self, data)
return data.to_string()
def _encode(self):
if not hasattr(self, '__fields__'):
return ''
data = ByteBuffer()
for field in self.__fields__:
field.encode(self, data)
return data.tostring()
def _common_header(self, data):
buffer = ByteBuffer(data[:])
try:
self.id = buffer.pop_unsigned_int(2)
self.version = buffer.pop_unsigned_int(1)
self.type = buffer.pop_unsigned_int(1)
self.length = buffer.pop_unsigned_int(1)
except:
raise DecodingError('Invalid SDR length (%d)' % len(data))
def from_response(self, data):
if len(data) < 5:
raise DecodingError('Invalid SDR length (%d)' % len(data))
self.data = data
buffer = ByteBuffer(data[:])
self.id = buffer.pop_unsigned_int(2)
self.version = buffer.pop_unsigned_int(1)
self.type = buffer.pop_unsigned_int(1)
self.lenght = buffer.pop_unsigned_int(1)
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
self.device_slave_address = buffer.pop_unsigned_int(1) >> 1
self.channel_number = buffer.pop_unsigned_int(1) & 0xf
self.power_state_notification = buffer.pop_unsigned_int(1)
self.global_initialization = 0
self.device_capabilities = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self._entity(buffer.pop_slice(2))
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def test_bytebuffer_push_string():
buf = ByteBuffer()
buf.push_string(b'0123')
eq_(buf[0], 0x30)
eq_(buf[1], 0x31)
eq_(buf[2], 0x32)
eq_(buf[3], 0x33)
eq_(buf.tostring(), b'0123')
buf = ByteBuffer()
buf.push_string(b'\x00\xb4')
eq_(buf.tostring(), b'\x00\xb4')
def get_sdr_data_helper(reserve_fn, get_fn, record_id, reservation_id=None):
"""Helper function to retrieve the sdr data using the specified
functions.
This can be used for SDRs from the Sensor Device or form the SDR
repository.
"""
if reservation_id is None:
reservation_id = reserve_fn()
(next_id, data) = get_fn(reservation_id, record_id, 0, 5)
header = ByteBuffer(data)
record_id = header.pop_unsigned_int(2)
record_version = header.pop_unsigned_int(1)
record_type = header.pop_unsigned_int(1)
record_payload_length = header.pop_unsigned_int(1)
record_length = record_payload_length + 5
record_data = ByteBuffer(data)
offset = len(record_data)
max_req_len = 20
retry = 20
# now get the other record data
while True:
retry -= 1
if retry == 0:
raise RetryError()
length = max_req_len
if (offset + length) > record_length:
length = record_length - offset
try:
(next_id, data) = get_fn(reservation_id, record_id, offset, length)
except CompletionCodeError, e:
if e.cc == constants.CC_CANT_RET_NUM_REQ_BYTES:
# reduce max lenght
max_req_len -= 4
if max_req_len <= 0:
retry = 0
else:
Assert
record_data.append_array(data[:])
offset = len(record_data)
if len(record_data) >= record_length:
break
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self._common_record_key(buffer.pop_slice(3))
# record body bytes
self._entity(buffer.pop_slice(2))
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.reserved = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def sel_entries(self):
"""Generator which returns all SEL entries."""
req = create_request_by_name('GetSelInfo')
rsp = self.send_message(req)
check_completion_code(rsp.completion_code)
if rsp.entries == 0:
return
reservation_id = self.get_sel_reservation_id()
next_record_id = 0
while True:
req = create_request_by_name('GetSelEntry')
req.reservation_id = reservation_id
req.record_id = next_record_id
req.offset = 0
self.max_req_len = 0xff # read entire record
record_data = ByteBuffer()
while True:
req.length = self.max_req_len
if (self.max_req_len != 0xff
and (req.offset + req.length) > 16):
req.length = 16 - req.offset
rsp = self.send_message(req)
if rsp.completion_code == constants.CC_CANT_RET_NUM_REQ_BYTES:
if self.max_req_len == 0xff:
self.max_req_len = 16
else:
self.max_req_len -= 1
continue
else:
check_completion_code(rsp.completion_code)
record_data.append_array(rsp.record_data)
req.offset = len(record_data)
if len(record_data) >= 16:
break
next_record_id = rsp.next_record_id
yield SelEntry(record_data)
if next_record_id == 0xffff:
break
def sel_entries(self):
"""Generator which returns all SEL entries."""
req = create_request_by_name('GetSelInfo')
rsp = self.send_message(req)
check_completion_code(rsp.completion_code)
if rsp.entries == 0:
return
reservation_id = self.get_sel_reservation_id()
next_record_id = 0
while True:
req = create_request_by_name('GetSelEntry')
req.reservation_id = reservation_id
req.record_id = next_record_id
req.offset = 0
self.max_req_len = 0xff # read entire record
record_data = ByteBuffer()
while True:
req.length = self.max_req_len
if (self.max_req_len != 0xff
and (req.offset + req.length) > 16):
req.length = 16 - req.offset
rsp = self.send_message(req)
if rsp.completion_code == constants.CC_CANT_RET_NUM_REQ_BYTES:
if self.max_req_len == 0xff:
self.max_req_len = 16
else:
self.max_req_len -= 1
continue
else:
check_completion_code(rsp.completion_code)
record_data.append_array(rsp.record_data)
req.offset = len(record_data)
if len(record_data) >= 16:
break
next_record_id = rsp.next_record_id
yield SelEntry(record_data)
if next_record_id == 0xffff:
break
def test_bytebuffer_push_unsigned_int():
buf = ByteBuffer((1, 0))
buf.push_unsigned_int(255, 1)
eq_(buf[0], 1)
eq_(buf[1], 0)
eq_(buf[2], 255)
buf.push_unsigned_int(255, 2)
eq_(buf[3], 255)
eq_(buf[4], 0)
buf.push_unsigned_int(256, 2)
eq_(buf[5], 0)
eq_(buf[6], 1)
def get_sdr_data_helper(reserve_fn, get_fn, record_id, reservation_id=None):
"""Helper function to retrieve the sdr data using the specified
functions.
This can be used for SDRs from the Sensor Device or form the SDR
repository.
"""
if reservation_id is None:
reservation_id = reserve_fn()
(next_id, data) = get_fn(reservation_id, record_id, 0, 5)
header = ByteBuffer(data)
record_id = header.pop_unsigned_int(2)
record_version = header.pop_unsigned_int(1)
record_type = header.pop_unsigned_int(1)
record_payload_length = header.pop_unsigned_int(1)
record_length = record_payload_length + 5
record_data = ByteBuffer(data)
offset = len(record_data)
max_req_len = 20
retry = 20
# now get the other record data
while True:
retry -= 1
if retry == 0:
raise RetryError()
length = max_req_len
if (offset + length) > record_length:
length = record_length - offset
try:
(next_id, data) = get_fn(reservation_id, record_id, offset, length)
except CompletionCodeError as e:
if e.cc == constants.CC_CANT_RET_NUM_REQ_BYTES:
# reduce max lenght
max_req_len -= 4
if max_req_len <= 0:
retry = 0
else:
raise CompletionCodeError(e.cc)
record_data.extend(data[:])
offset = len(record_data)
if len(record_data) >= record_length:
break
return (next_id, record_data)
def _decode(self, data):
if not hasattr(self, '__fields__'):
raise NotImplementedError('You have to overwrite this method')
data = ByteBuffer(data)
cc = None
for field in self.__fields__:
try:
field.decode(self, data)
except CompletionCodeError, e:
# stop decoding on completion code != 0
cc = e.cc
break
def from_response(self, data):
if len(data) < 5:
raise DecodingError('Invalid SDR length (%d)' % len(data))
self.data = data
buffer = ByteBuffer(data[:])
self.id = buffer.pop_unsigned_int(2)
self.version = buffer.pop_unsigned_int(1)
self.type = buffer.pop_unsigned_int(1)
self.lenght = buffer.pop_unsigned_int(1)
def from_data(self, data):
buffer = ByteBuffer(data[5:])
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.reserved = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def from_data(self, data):
buffer = ByteBuffer(data[5:])
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.sensor_initialization = buffer.pop_unsigned_int(1)
self.capabilities = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
self.units_1 = buffer.pop_unsigned_int(1)
self.units_2 = buffer.pop_unsigned_int(1)
self.units_3 = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.positive_going_hysteresis = buffer.pop_unsigned_int(1)
self.negative_going_hysteresis = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
# record body bytes
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
# byte 11
initialization = buffer.pop_unsigned_int(1)
self.initialization = []
if initialization & 0x40:
self.initialization.append('scanning')
if initialization & 0x20:
self.initialization.append('events')
if initialization & 0x10:
self.initialization.append('thresholds')
if initialization & 0x08:
self.initialization.append('hysteresis')
if initialization & 0x04:
self.initialization.append('type')
if initialization & 0x02:
self.initialization.append('default_event_generation')
if initialization & 0x01:
self.initialization.append('default_scanning')
# byte 12 - sensor capabilities
capabilities = buffer.pop_unsigned_int(1)
self.capabilities = []
# ignore sensor
if capabilities & 0x80:
self.capabilities.append('ignore_sensor')
# sensor auto re-arm support
if capabilities & 0x40:
self.capabilities.append('auto_rearm')
# sensor hysteresis support
HYSTERESIS_MASK = 0x30
HYSTERESIS_IS_NOT_SUPPORTED = 0x00
HYSTERESIS_IS_READABLE = 0x10
HYSTERESIS_IS_READ_AND_SETTABLE = 0x20
HYSTERESIS_IS_FIXED = 0x30
if capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_NOT_SUPPORTED:
self.capabilities.append('hysteresis_not_supported')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READABLE:
self.capabilities.append('hysteresis_readable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READ_AND_SETTABLE:
self.capabilities.append('hysteresis_read_and_setable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_FIXED:
self.capabilities.append('hysteresis_fixed')
# sensor threshold support
THRESHOLD_MASK = 0x30
THRESHOLD_IS_NOT_SUPPORTED = 0x00
THRESHOLD_IS_READABLE = 0x10
THRESHOLD_IS_READ_AND_SETTABLE = 0x20
THRESHOLD_IS_FIXED = 0x30
if capabilities & THRESHOLD_MASK == THRESHOLD_IS_NOT_SUPPORTED:
self.capabilities.append('threshold_not_supported')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READABLE:
self.capabilities.append('threshold_readable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READ_AND_SETTABLE:
self.capabilities.append('threshold_read_and_setable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_FIXED:
self.capabilities.append('threshold_fixed')
# sensor event message control support
if (capabilities & 0x03) is 0:
pass
if (capabilities & 0x03) is 1:
pass
if (capabilities & 0x03) is 2:
pass
if (capabilities & 0x03) is 3:
pass
self.sensor_type_code = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
# byte 21, 22, 23
units_1 = buffer.pop_unsigned_int(1)
units_2 = buffer.pop_unsigned_int(1)
units_3 = buffer.pop_unsigned_int(1)
self.analog_data_format = (units_1 >> 6) & 0x3
self.rate_unit = (units_1 >> 3) >> 0x7
self.modifier_unit = (units_1 >> 1) & 0x2
self.percentage = units_1 & 0x1
# byte 24
self.linearization = buffer.pop_unsigned_int(1) & 0x7f
# byte 25, 26
m = buffer.pop_unsigned_int(1)
m_tol = buffer.pop_unsigned_int(1)
self.m = (m & 0xff) | ((m_tol & 0xc0) << 2)
self.tolerance = (m_tol & 0x3f)
# byte 27, 28, 29
b = buffer.pop_unsigned_int(1)
b_acc = buffer.pop_unsigned_int(1)
acc_accexp = buffer.pop_unsigned_int(1)
self.b = (b & 0xff) | ((b_acc & 0xc0) << 2)
self.b = self._convert_complement(self.b, 10)
self.accuracy = (b_acc & 0x3f) | ((acc_accexp & 0xf0) << 4)
self.accuracy_exp = (acc_accexp & 0x0c) >> 2
# byte 30
rexp_bexp = buffer.pop_unsigned_int(1)
self.k2 = (rexp_bexp & 0xf0) >> 4
# convert 2s complement
#if self.k2 & 0x8: # 4bit
# self.k2 = -0x10 + self.k2
self.k2 = self._convert_complement(self.k2, 4)
self.k1 = rexp_bexp & 0x0f
# convert 2s complement
#if self.k1 & 0x8:
# self.k1 = -0x10 + self.k1
self.k1 = self._convert_complement(self.k1, 4)
# byte 31
analog_characteristics = buffer.pop_unsigned_int(1)
self.analog_characteristic = []
if analog_characteristics & 0x01:
self.analog_characteristic.append('nominal_reading')
if analog_characteristics & 0x02:
self.analog_characteristic.append('normal_max')
if analog_characteristics & 0x04:
self.analog_characteristic.append('normal_min')
self.nominal_reading = buffer.pop_unsigned_int(1)
self.normal_maximum = buffer.pop_unsigned_int(1)
self.normal_minimum = buffer.pop_unsigned_int(1)
self.sensor_maximum_reading = buffer.pop_unsigned_int(1)
self.sensor_minimum_reading = buffer.pop_unsigned_int(1)
self.threshold = {}
self.threshold['unr'] = buffer.pop_unsigned_int(1)
self.threshold['ucr'] = buffer.pop_unsigned_int(1)
self.threshold['unc'] = buffer.pop_unsigned_int(1)
self.threshold['lnr'] = buffer.pop_unsigned_int(1)
self.threshold['lcr'] = buffer.pop_unsigned_int(1)
self.threshold['lnc'] = buffer.pop_unsigned_int(1)
self.hysteresis = {}
self.hysteresis['positive_going'] = buffer.pop_unsigned_int(1)
self.hysteresis['negative_going'] = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(2)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def test_bytebuffer_pop_slice_error():
buf = ByteBuffer(b'\x30\x31\x32\x33')
buf.pop_slice(5)
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
self.device_access_address = buffer.pop_unsigned_int(1) >> 1
self.fru_device_id = buffer.pop_unsigned_int(1)
self.logical_physical = buffer.pop_unsigned_int(1)
self.channel_number = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(1)
self.device_type = buffer.pop_unsigned_int(1)
self.device_type_modifier= buffer.pop_unsigned_int(1)
self._entity(buffer.pop_slice(2))
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def test_bytebuffer_pop_unsigned_int_error():
buf = ByteBuffer((0, 0))
buf.pop_unsigned_int(3)
def test_bytebuffer_init_from_tuple():
buf = ByteBuffer((0xf8,))
eq_(buf.array, array('B', [0xf8]))
def test_bytebuffer_init_from_list():
buf = ByteBuffer([0xf8])
eq_(buf.array, array('B', [0xf8]))
def test_bytebuffer_initi_fromstring():
buf = ByteBuffer(b'\xf8')
eq_(buf.array, array('B', [0xf8]))
def from_data(self, data):
buffer = ByteBuffer(data[5:])
self.device_slave_address = buffer.pop_unsigned_int(1) >> 1
self.channel_number = buffer.pop_unsigned_int(1) & 0xf
self.power_state_notification = buffer.pop_unsigned_int(1)
self.global_initialization = 0
self.device_capabilities = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def from_data(self, data):
buffer = ByteBuffer(data[5:])
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.reserved = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
# record body bytes
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
# byte 11
initialization = buffer.pop_unsigned_int(1)
self.initialization = []
if initialization & 0x40:
self.initialization.append('scanning')
if initialization & 0x20:
self.initialization.append('events')
if initialization & 0x10:
self.initialization.append('thresholds')
if initialization & 0x08:
self.initialization.append('hysteresis')
if initialization & 0x04:
self.initialization.append('type')
if initialization & 0x02:
self.initialization.append('default_event_generation')
if initialization & 0x01:
self.initialization.append('default_scanning')
# byte 12 - sensor capabilities
capabilities = buffer.pop_unsigned_int(1)
self.capabilities = []
# ignore sensor
if capabilities & 0x80:
self.capabilities.append('ignore_sensor')
# sensor auto re-arm support
if capabilities & 0x40:
self.capabilities.append('auto_rearm')
# sensor hysteresis support
HYSTERESIS_MASK = 0x30
HYSTERESIS_IS_NOT_SUPPORTED = 0x00
HYSTERESIS_IS_READABLE = 0x10
HYSTERESIS_IS_READ_AND_SETTABLE = 0x20
HYSTERESIS_IS_FIXED = 0x30
if capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_NOT_SUPPORTED:
self.capabilities.append('hysteresis_not_supported')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READABLE:
self.capabilities.append('hysteresis_readable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_READ_AND_SETTABLE:
self.capabilities.append('hysteresis_read_and_setable')
elif capabilities & HYSTERESIS_MASK == HYSTERESIS_IS_FIXED:
self.capabilities.append('hysteresis_fixed')
# sensor threshold support
THRESHOLD_MASK = 0x30
THRESHOLD_IS_NOT_SUPPORTED = 0x00
THRESHOLD_IS_READABLE = 0x10
THRESHOLD_IS_READ_AND_SETTABLE = 0x20
THRESHOLD_IS_FIXED = 0x30
if capabilities & THRESHOLD_MASK == THRESHOLD_IS_NOT_SUPPORTED:
self.capabilities.append('threshold_not_supported')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READABLE:
self.capabilities.append('threshold_readable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_READ_AND_SETTABLE:
self.capabilities.append('threshold_read_and_setable')
elif capabilities & THRESHOLD_MASK == THRESHOLD_IS_FIXED:
self.capabilities.append('threshold_fixed')
# sensor event message control support
if (capabilities & 0x03) is 0:
pass
if (capabilities & 0x03) is 1:
pass
if (capabilities & 0x03) is 2:
pass
if (capabilities & 0x03) is 3:
pass
self.sensor_type_code = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
# byte 21, 22, 23
units_1 = buffer.pop_unsigned_int(1)
units_2 = buffer.pop_unsigned_int(1)
units_3 = buffer.pop_unsigned_int(1)
self.analog_data_format = (units_1 >> 6) & 0x3
self.rate_unit = (units_1 >> 3) >> 0x7
self.modifier_unit = (units_1 >> 1) & 0x2
self.percentage = units_1 & 0x1
# byte 24
self.linearization = buffer.pop_unsigned_int(1) & 0x7f
# byte 25, 26
m = buffer.pop_unsigned_int(1)
m_tol = buffer.pop_unsigned_int(1)
self.m = (m & 0xff) | ((m_tol & 0xc0) << 2)
self.tolerance = (m_tol & 0x3f)
# byte 27, 28, 29
b = buffer.pop_unsigned_int(1)
b_acc = buffer.pop_unsigned_int(1)
acc_accexp = buffer.pop_unsigned_int(1)
self.b = (b & 0xff) | ((b_acc & 0xc0) << 2)
self.b = self._convert_complement(self.b, 10)
self.accuracy = (b_acc & 0x3f) | ((acc_accexp & 0xf0) << 4)
self.accuracy_exp = (acc_accexp & 0x0c) >> 2
# byte 30
rexp_bexp = buffer.pop_unsigned_int(1)
self.k2 = (rexp_bexp & 0xf0) >> 4
# convert 2s complement
#if self.k2 & 0x8: # 4bit
# self.k2 = -0x10 + self.k2
self.k2 = self._convert_complement(self.k2, 4)
self.k1 = rexp_bexp & 0x0f
# convert 2s complement
#if self.k1 & 0x8:
# self.k1 = -0x10 + self.k1
self.k1 = self._convert_complement(self.k1, 4)
# byte 31
analog_characteristics = buffer.pop_unsigned_int(1)
self.analog_characteristic = []
if analog_characteristics & 0x01:
self.analog_characteristic.append('nominal_reading')
if analog_characteristics & 0x02:
self.analog_characteristic.append('normal_max')
if analog_characteristics & 0x04:
self.analog_characteristic.append('normal_min')
self.nominal_reading = buffer.pop_unsigned_int(1)
self.normal_maximum = buffer.pop_unsigned_int(1)
self.normal_minimum = buffer.pop_unsigned_int(1)
self.sensor_maximum_reading = buffer.pop_unsigned_int(1)
self.sensor_minimum_reading = buffer.pop_unsigned_int(1)
self.threshold = {}
self.threshold['unr'] = buffer.pop_unsigned_int(1)
self.threshold['ucr'] = buffer.pop_unsigned_int(1)
self.threshold['unc'] = buffer.pop_unsigned_int(1)
self.threshold['lnr'] = buffer.pop_unsigned_int(1)
self.threshold['lcr'] = buffer.pop_unsigned_int(1)
self.threshold['lnc'] = buffer.pop_unsigned_int(1)
self.hysteresis = {}
self.hysteresis['positive_going'] = buffer.pop_unsigned_int(1)
self.hysteresis['negative_going'] = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(2)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self.device_access_address = buffer.pop_unsigned_int(1) >> 1
self.fru_device_id = buffer.pop_unsigned_int(1)
self.logical_physical = buffer.pop_unsigned_int(1)
self.channel_number = buffer.pop_unsigned_int(1)
# record body bytes
self.reserved = buffer.pop_unsigned_int(1)
self.device_type = buffer.pop_unsigned_int(1)
self.device_type_modifier= buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def _from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self._common_record_key(buffer.pop_slice(3))
# record body bytes
self._entity(buffer.pop_slice(2))
self.sensor_initialization = buffer.pop_unsigned_int(1)
self.capabilities = buffer.pop_unsigned_int(1)
self.sensor_type_code = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
self.units_1 = buffer.pop_unsigned_int(1)
self.units_2 = buffer.pop_unsigned_int(1)
self.units_3 = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.positive_going_hysteresis = buffer.pop_unsigned_int(1)
self.negative_going_hysteresis = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.tostring()
def encode(self):
data = ByteBuffer()
self.field.encode(self, data)
return data
def decode(self, data):
data = ByteBuffer(data)
self.field.decode(self, data)
def test_bytebuffer_pop_unsigned_int():
buf = ByteBuffer((1, 0, 0, 0))
eq_(buf.pop_unsigned_int(1), 1)
buf = ByteBuffer((0, 1, 0, 0))
eq_(buf.pop_unsigned_int(2), 0x100)
buf = ByteBuffer((0, 0, 1, 0))
eq_(buf.pop_unsigned_int(3), 0x10000)
buf = ByteBuffer((0, 0, 0, 1))
eq_(buf.pop_unsigned_int(4), 0x1000000)
def from_data(self, data):
buffer = ByteBuffer(data[5:])
self.owner_id = buffer.pop_unsigned_int(1)
self.owner_lun = buffer.pop_unsigned_int(1) & 0x3
self.number = buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.sensor_initialization = buffer.pop_unsigned_int(1)
self.capabilities = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.event_reading_type_code = buffer.pop_unsigned_int(1)
self.assertion_mask = buffer.pop_unsigned_int(2)
self.deassertion_mask = buffer.pop_unsigned_int(2)
self.discrete_reading_mask = buffer.pop_unsigned_int(2)
self.units_1 = buffer.pop_unsigned_int(1)
self.units_2 = buffer.pop_unsigned_int(1)
self.units_3 = buffer.pop_unsigned_int(1)
self.record_sharing = buffer.pop_unsigned_int(2)
self.positive_going_hysteresis = buffer.pop_unsigned_int(1)
self.negative_going_hysteresis = buffer.pop_unsigned_int(1)
self.reserved = buffer.pop_unsigned_int(3)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def test_bytebuffer_pop_string():
buf = ByteBuffer(b'\x30\x31\x32\x33')
eq_(buf.pop_string(2), b'01')
eq_(buf.tostring(), b'23')
def from_data(self, data):
buffer = ByteBuffer(data[5:])
# record key bytes
self.device_access_address = buffer.pop_unsigned_int(1) >> 1
self.fru_device_id = buffer.pop_unsigned_int(1)
self.logical_physical = buffer.pop_unsigned_int(1)
self.channel_number = buffer.pop_unsigned_int(1)
# record body bytes
self.reserved = buffer.pop_unsigned_int(1)
self.device_type = buffer.pop_unsigned_int(1)
self.device_type_modifier = buffer.pop_unsigned_int(1)
self.entity_id = buffer.pop_unsigned_int(1)
self.entity_instance = buffer.pop_unsigned_int(1)
self.oem = buffer.pop_unsigned_int(1)
self.device_id_string_type_length = buffer.pop_unsigned_int(1)
self.device_id_string = buffer.to_string()
def test_bytebuffer_tostring():
buf = ByteBuffer(b'\x30\x31\x32\x33')
eq_(buf.tostring(), b'0123')
def test_bytebuffer_pop_slice():
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(1)
eq_(buf.tostring(), b'123')
eq_(cut.tostring(), b'0')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(2)
eq_(buf.tostring(), b'23')
eq_(cut.tostring(), b'01')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(3)
eq_(buf.tostring(), b'3')
eq_(cut.tostring(), b'012')
buf = ByteBuffer(b'\x30\x31\x32\x33')
cut = buf.pop_slice(4)
eq_(buf.tostring(), b'')
eq_(cut.tostring(), b'0123')
def from_response(self, data):
if len(data) != 16:
raise DecodingError('Invalid SEL record length (%d)' % len(data))
self.data = data
# pop will change data, therefore copy it
buffer = ByteBuffer(data)
self.record_id = buffer.pop_unsigned_int(2)
self.type = buffer.pop_unsigned_int(1)
if (self.type != self.TYPE_SYSTEM_EVENT
and self.type not in self.TYPE_OEM_TIMESTAMPED_RANGE
and self.type not in self.TYPE_OEM_NON_TIMESTAMPED_RANGE):
raise DecodingError('Unknown SEL type (0x%02x)' % self.type)
self.timestamp = buffer.pop_unsigned_int(4)
self.generator_id = buffer.pop_unsigned_int(2)
self.evm_rev = buffer.pop_unsigned_int(1)
self.sensor_type = buffer.pop_unsigned_int(1)
self.sensor_number = buffer.pop_unsigned_int(1)
event_desc = buffer.pop_unsigned_int(1)
if event_desc & 0x80:
self.event_direction = EVENT_DEASSERTION
else:
self.event_direction = EVENT_ASSERTION
self.event_type = event_desc & 0x3f
self.event_data = buffer.pop_string(3)