from bt2 import native_bt, object, utils
from bt2 import field_class as bt2_field_class
from bt2 import event_class as bt2_event_class
-from bt2 import trace_class as bt2_trace_class
from bt2 import clock_class as bt2_clock_class
from bt2 import value as bt2_value
import collections.abc
+def _bt2_trace_class():
+ from bt2 import trace_class as bt2_trace_class
+
+ return bt2_trace_class
+
+
class _StreamClassConst(object._SharedObject, collections.abc.Mapping):
_get_ref = staticmethod(native_bt.stream_class_get_ref)
_put_ref = staticmethod(native_bt.stream_class_put_ref)
_borrow_default_clock_class_ptr = staticmethod(
native_bt.stream_class_borrow_default_clock_class_const
)
+ _borrow_user_attributes_ptr = staticmethod(
+ native_bt.stream_class_borrow_user_attributes_const
+ )
_event_class_cls = property(lambda _: bt2_event_class._EventClassConst)
- _trace_class_cls = property(lambda _: bt2_trace_class._TraceClassConst)
+ _trace_class_cls = property(lambda _: _bt2_trace_class()._TraceClassConst)
_clock_class_cls = property(lambda _: bt2_clock_class._ClockClassConst)
def __getitem__(self, key):
@property
def user_attributes(self):
- ptr = native_bt.stream_class_borrow_user_attributes(self._ptr)
+ ptr = self._borrow_user_attributes_ptr(self._ptr)
assert ptr is not None
return bt2_value._create_from_ptr_and_get_ref(ptr)
_borrow_default_clock_class_ptr = staticmethod(
native_bt.stream_class_borrow_default_clock_class
)
+ _borrow_user_attributes_ptr = staticmethod(
+ native_bt.stream_class_borrow_user_attributes
+ )
+
_event_class_cls = property(lambda s: bt2_event_class._EventClass)
- _trace_class_cls = property(lambda s: bt2_trace_class._TraceClass)
+ _trace_class_cls = property(lambda s: _bt2_trace_class()._TraceClass)
_clock_class_cls = property(lambda s: bt2_clock_class._ClockClass)
def create_event_class(
specific_context_field_class=None,
payload_field_class=None,
):
+ # Validate parameters before we create the object.
+ bt2_event_class._EventClass._validate_create_params(
+ name,
+ user_attributes,
+ log_level,
+ emf_uri,
+ specific_context_field_class,
+ payload_field_class,
+ )
+
if self.assigns_automatic_event_class_id:
if id is not None:
raise ValueError(
def _user_attributes(self, user_attributes):
value = bt2_value.create_value(user_attributes)
- utils._check_type(value, bt2_value.MapValue)
native_bt.stream_class_set_user_attributes(self._ptr, value._ptr)
_user_attributes = property(fset=_user_attributes)
def _name(self, name):
- utils._check_str(name)
status = native_bt.stream_class_set_name(self._ptr, name)
utils._handle_func_status(status, "cannot set stream class object's name")
_name = property(fset=_name)
def _assigns_automatic_event_class_id(self, auto_id):
- utils._check_bool(auto_id)
- return native_bt.stream_class_set_assigns_automatic_event_class_id(
- self._ptr, auto_id
- )
+ native_bt.stream_class_set_assigns_automatic_event_class_id(self._ptr, auto_id)
_assigns_automatic_event_class_id = property(fset=_assigns_automatic_event_class_id)
def _assigns_automatic_stream_id(self, auto_id):
- utils._check_bool(auto_id)
- return native_bt.stream_class_set_assigns_automatic_stream_id(
- self._ptr, auto_id
- )
+ native_bt.stream_class_set_assigns_automatic_stream_id(self._ptr, auto_id)
_assigns_automatic_stream_id = property(fset=_assigns_automatic_stream_id)
def _set_supports_packets(self, supports, with_begin_cs=False, with_end_cs=False):
- utils._check_bool(supports)
- utils._check_bool(with_begin_cs)
- utils._check_bool(with_end_cs)
-
- if not supports and (with_begin_cs or with_end_cs):
- raise ValueError(
- 'cannot not support packets, but have default clock snapshots'
- )
-
- if not supports and self.packet_context_field_class is not None:
- raise ValueError('stream class already has a packet context field class')
-
native_bt.stream_class_set_supports_packets(
self._ptr, supports, with_begin_cs, with_end_cs
)
def _set_supports_discarded_events(self, supports, with_cs=False):
- utils._check_bool(supports)
- utils._check_bool(with_cs)
-
- if not supports and with_cs:
- raise ValueError(
- 'cannot not support discarded events, but have default clock snapshots'
- )
-
native_bt.stream_class_set_supports_discarded_events(
self._ptr, supports, with_cs
)
_supports_discarded_events = property(fset=_set_supports_discarded_events)
def _set_supports_discarded_packets(self, supports, with_cs):
- utils._check_bool(supports)
- utils._check_bool(with_cs)
-
- if supports and not self.supports_packets:
- raise ValueError(
- 'cannot support discarded packets, but not support packets'
- )
-
- if not supports and with_cs:
- raise ValueError(
- 'cannot not support discarded packets, but have default clock snapshots'
- )
-
native_bt.stream_class_set_supports_discarded_packets(
self._ptr, supports, with_cs
)
_supports_discarded_packets = property(fset=_set_supports_discarded_packets)
def _packet_context_field_class(self, packet_context_field_class):
+ status = native_bt.stream_class_set_packet_context_field_class(
+ self._ptr, packet_context_field_class._ptr
+ )
+ utils._handle_func_status(
+ status, "cannot set stream class' packet context field class"
+ )
+
+ _packet_context_field_class = property(fset=_packet_context_field_class)
+
+ def _event_common_context_field_class(self, event_common_context_field_class):
+ set_context_fn = native_bt.stream_class_set_event_common_context_field_class
+ status = set_context_fn(self._ptr, event_common_context_field_class._ptr)
+ utils._handle_func_status(
+ status, "cannot set stream class' event context field type"
+ )
+
+ _event_common_context_field_class = property(fset=_event_common_context_field_class)
+
+ def _default_clock_class(self, clock_class):
+ native_bt.stream_class_set_default_clock_class(self._ptr, clock_class._ptr)
+
+ _default_clock_class = property(fset=_default_clock_class)
+
+ @classmethod
+ def _validate_create_params(
+ cls,
+ name,
+ user_attributes,
+ packet_context_field_class,
+ event_common_context_field_class,
+ default_clock_class,
+ assigns_automatic_event_class_id,
+ assigns_automatic_stream_id,
+ supports_packets,
+ packets_have_beginning_default_clock_snapshot,
+ packets_have_end_default_clock_snapshot,
+ supports_discarded_events,
+ discarded_events_have_default_clock_snapshots,
+ supports_discarded_packets,
+ discarded_packets_have_default_clock_snapshots,
+ ):
+ # Name
+ if name is not None:
+ utils._check_str(name)
+
+ # User attributes
+ if user_attributes is not None:
+ value = bt2_value.create_value(user_attributes)
+ utils._check_type(value, bt2_value.MapValue)
+
+ # Packet context field class
if packet_context_field_class is not None:
+ if not supports_packets:
+ raise ValueError(
+ 'cannot have a packet context field class without supporting packets'
+ )
+
utils._check_type(
packet_context_field_class, bt2_field_class._StructureFieldClass
)
- if not self.supports_packets:
- raise ValueError('stream class does not support packets')
-
- status = native_bt.stream_class_set_packet_context_field_class(
- self._ptr, packet_context_field_class._ptr
- )
- utils._handle_func_status(
- status, "cannot set stream class' packet context field class"
- )
-
- _packet_context_field_class = property(fset=_packet_context_field_class)
-
- def _event_common_context_field_class(self, event_common_context_field_class):
+ # Event common context field class
if event_common_context_field_class is not None:
utils._check_type(
event_common_context_field_class, bt2_field_class._StructureFieldClass
)
- set_context_fn = native_bt.stream_class_set_event_common_context_field_class
- status = set_context_fn(self._ptr, event_common_context_field_class._ptr)
- utils._handle_func_status(
- status, "cannot set stream class' event context field type"
+ # Default clock class
+ if default_clock_class is not None:
+ utils._check_type(default_clock_class, bt2_clock_class._ClockClass)
+
+ # Assigns automatic event class id
+ utils._check_bool(assigns_automatic_event_class_id)
+
+ # Assigns automatic stream id
+ utils._check_bool(assigns_automatic_stream_id)
+
+ # Packets
+ utils._check_bool(supports_packets)
+ utils._check_bool(packets_have_beginning_default_clock_snapshot)
+ utils._check_bool(packets_have_end_default_clock_snapshot)
+
+ if not supports_packets:
+ if packets_have_beginning_default_clock_snapshot:
+ raise ValueError(
+ 'cannot not support packets, but have packet beginning default clock snapshot'
+ )
+ if packets_have_end_default_clock_snapshot:
+ raise ValueError(
+ 'cannot not support packets, but have packet end default clock snapshots'
+ )
+
+ # Discarded events
+ utils._check_bool(supports_discarded_events)
+ utils._check_bool(discarded_events_have_default_clock_snapshots)
+
+ if (
+ not supports_discarded_events
+ and discarded_events_have_default_clock_snapshots
+ ):
+ raise ValueError(
+ 'cannot not support discarded events, but have default clock snapshots for discarded event messages'
)
- _event_common_context_field_class = property(fset=_event_common_context_field_class)
+ # Discarded packets
+ utils._check_bool(supports_discarded_packets)
+ utils._check_bool(discarded_packets_have_default_clock_snapshots)
- def _default_clock_class(self, clock_class):
- utils._check_type(clock_class, bt2_clock_class._ClockClass)
- native_bt.stream_class_set_default_clock_class(self._ptr, clock_class._ptr)
+ if supports_discarded_packets and not supports_packets:
+ raise ValueError(
+ 'cannot support discarded packets, but not support packets'
+ )
- _default_clock_class = property(fset=_default_clock_class)
+ if (
+ not supports_discarded_packets
+ and discarded_packets_have_default_clock_snapshots
+ ):
+ raise ValueError(
+ 'cannot not support discarded packets, but have default clock snapshots for discarded packet messages'
+ )