# THE SOFTWARE.
from bt2 import native_bt, object, utils
-import uuid as uuidp
-import numbers
import bt2
-import bt2.clock_snapshot as clock_snapshot
+import uuid as uuidp
class ClockClassOffset:
def cycles(self):
return self._cycles
- def __hash__(self):
- return hash((self.seconds, self.cycles))
-
def __eq__(self, other):
if not isinstance(other, self.__class__):
# not comparing apples to apples
return (self.seconds, self.cycles) == (other.seconds, other.cycles)
-class ClockClass(object._SharedObject):
+class _ClockClass(object._SharedObject):
_get_ref = staticmethod(native_bt.clock_class_get_ref)
_put_ref = staticmethod(native_bt.clock_class_put_ref)
- def __init__(self, name, frequency, description=None, precision=None,
- offset=None, is_absolute=None, uuid=None):
- utils._check_str(name)
- utils._check_uint64(frequency)
- ptr = native_bt.clock_class_create(name, frequency)
-
- if ptr is None:
- raise bt2.CreationError('cannot create clock class object')
-
- super().__init__(ptr)
-
- if description is not None:
- self.description = description
-
- if frequency is not None:
- self.frequency = frequency
-
- if precision is not None:
- self.precision = precision
-
- if offset is not None:
- self.offset = offset
-
- if is_absolute is not None:
- self.is_absolute = is_absolute
-
- if uuid is not None:
- self.uuid = uuid
-
- def __eq__(self, other):
- if type(self) is not type(other):
- # not comparing apples to apples
- return False
-
- self_props = (
- self.name,
- self.description,
- self.frequency,
- self.precision,
- self.offset,
- self.is_absolute,
- self.uuid
- )
- other_props = (
- other.name,
- other.description,
- other.frequency,
- other.precision,
- other.offset,
- other.is_absolute,
- other.uuid
- )
- return self_props == other_props
-
- def __copy__(self):
- return ClockClass(name=self.name, description=self.description,
- frequency=self.frequency, precision=self.precision,
- offset=self.offset, is_absolute=self.is_absolute,
- uuid=self.uuid)
-
- def __deepcopy__(self, memo):
- cpy = self.__copy__()
- memo[id(self)] = cpy
- return cpy
-
- def __hash__(self):
- return hash((
- self.name,
- self.description,
- self.frequency,
- self.precision,
- self.offset.seconds,
- self.offset.cycles,
- self.is_absolute,
- self.uuid))
-
@property
def name(self):
- name = native_bt.clock_class_get_name(self._ptr)
- assert(name is not None)
- return name
+ return native_bt.clock_class_get_name(self._ptr)
- @name.setter
- def name(self, name):
+ def _name(self, name):
utils._check_str(name)
ret = native_bt.clock_class_set_name(self._ptr, name)
utils._handle_ret(ret, "cannot set clock class object's name")
+ _name = property(fset=_name)
+
@property
def description(self):
return native_bt.clock_class_get_description(self._ptr)
- @description.setter
- def description(self, description):
+ def _description(self, description):
utils._check_str(description)
ret = native_bt.clock_class_set_description(self._ptr, description)
utils._handle_ret(ret, "cannot set clock class object's description")
+ _description = property(fset=_description)
+
@property
def frequency(self):
- frequency = native_bt.clock_class_get_frequency(self._ptr)
- assert(frequency >= 1)
- return frequency
+ return native_bt.clock_class_get_frequency(self._ptr)
- @frequency.setter
- def frequency(self, frequency):
+ def _frequency(self, frequency):
utils._check_uint64(frequency)
- ret = native_bt.clock_class_set_frequency(self._ptr, frequency)
- utils._handle_ret(ret, "cannot set clock class object's frequency")
+ native_bt.clock_class_set_frequency(self._ptr, frequency)
+
+ _frequency = property(fset=_frequency)
@property
def precision(self):
precision = native_bt.clock_class_get_precision(self._ptr)
- assert(precision >= 0)
return precision
- @precision.setter
- def precision(self, precision):
+ def _precision(self, precision):
utils._check_uint64(precision)
- ret = native_bt.clock_class_set_precision(self._ptr, precision)
- utils._handle_ret(ret, "cannot set clock class object's precision")
+ native_bt.clock_class_set_precision(self._ptr, precision)
+
+ _precision = property(fset=_precision)
@property
def offset(self):
- ret, offset_s = native_bt.clock_class_get_offset_s(self._ptr)
- assert(ret == 0)
- ret, offset_cycles = native_bt.clock_class_get_offset_cycles(self._ptr)
- assert(ret == 0)
+ offset_s, offset_cycles = native_bt.clock_class_get_offset(self._ptr)
return ClockClassOffset(offset_s, offset_cycles)
- @offset.setter
- def offset(self, offset):
+ def _offset(self, offset):
utils._check_type(offset, ClockClassOffset)
- ret = native_bt.clock_class_set_offset_s(self._ptr, offset.seconds)
- utils._handle_ret(ret, "cannot set clock class object's offset (seconds)")
- ret = native_bt.clock_class_set_offset_cycles(self._ptr, offset.cycles)
- utils._handle_ret(ret, "cannot set clock class object's offset (cycles)")
+ native_bt.clock_class_set_offset(self._ptr, offset.seconds, offset.cycles)
+
+ _offset = property(fset=_offset)
@property
- def is_absolute(self):
- is_absolute = native_bt.clock_class_is_absolute(self._ptr)
- assert(is_absolute >= 0)
- return is_absolute > 0
+ def origin_is_unix_epoch(self):
+ return native_bt.clock_class_origin_is_unix_epoch(self._ptr)
- @is_absolute.setter
- def is_absolute(self, is_absolute):
- utils._check_bool(is_absolute)
- ret = native_bt.clock_class_set_is_absolute(self._ptr, int(is_absolute))
- utils._handle_ret(ret, "cannot set clock class object's absoluteness")
+ def _origin_is_unix_epoch(self, origin_is_unix_epoch):
+ utils._check_bool(origin_is_unix_epoch)
+ native_bt.clock_class_set_origin_is_unix_epoch(self._ptr, int(origin_is_unix_epoch))
+
+ _origin_is_unix_epoch = property(fset=_origin_is_unix_epoch)
@property
def uuid(self):
return uuidp.UUID(bytes=uuid_bytes)
- @uuid.setter
- def uuid(self, uuid):
+ def _uuid(self, uuid):
utils._check_type(uuid, uuidp.UUID)
- ret = native_bt.clock_class_set_uuid(self._ptr, uuid.bytes)
- utils._handle_ret(ret, "cannot set clock class object's UUID")
+ native_bt.clock_class_set_uuid(self._ptr, uuid.bytes)
+
+ _uuid = property(fset=_uuid)
+
+ def cycles_to_ns_from_origin(self, cycles):
+ utils._check_uint64(cycles)
+ ret, ns = native_bt.clock_class_cycles_to_ns_from_origin(self._ptr, cycles)
+
+ error_msg = "cannot convert clock value to nanoseconds from origin for given clock class"
+
+ if ret == native_bt.CLOCK_CLASS_STATUS_OVERFLOW:
+ raise OverflowError(error_msg)
- def __call__(self, cycles):
- return clock_snapshot._ClockSnapshot(self._ptr, cycles)
+ utils._handle_ret(ret, error_msg)
+ return ns
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