from bt2 import field_class as bt2_field_class
from bt2 import trace as bt2_trace
from bt2 import trace_class as bt2_trace_class
+from bt2 import value as bt2_value
import collections.abc
import functools
-class _StreamClassIterator(collections.abc.Iterator):
- def __init__(self, trace_class):
- self._trace_class = trace_class
- self._at = 0
-
- def __next__(self):
- if self._at == len(self._trace_class):
- raise StopIteration
-
- borrow_stream_class_fn = (
- native_bt.trace_class_borrow_stream_class_by_index_const
- )
- sc_ptr = borrow_stream_class_fn(self._trace_class._ptr, self._at)
- assert sc_ptr
- id = native_bt.stream_class_get_id(sc_ptr)
- assert id >= 0
- self._at += 1
- return id
-
-
def _trace_class_destruction_listener_from_native(user_listener, trace_class_ptr):
trace_class = bt2_trace_class._TraceClass._create_from_ptr_and_get_ref(
trace_class_ptr
# Instantiate a trace of this class.
- def __call__(self, name=None, uuid=None, env=None):
+ def __call__(self, name=None, user_attributes=None, uuid=None, environment=None):
trace_ptr = native_bt.trace_create(self._ptr)
if trace_ptr is None:
if name is not None:
trace._name = name
+ if user_attributes is not None:
+ trace._user_attributes = user_attributes
+
if uuid is not None:
trace._uuid = uuid
- if env is not None:
- for key, value in env.items():
- trace.env[key] = value
+ if environment is not None:
+ for key, value in environment.items():
+ trace.environment[key] = value
return trace
self,
id=None,
name=None,
+ user_attributes=None,
packet_context_field_class=None,
event_common_context_field_class=None,
default_clock_class=None,
if name is not None:
sc._name = name
+ if user_attributes is not None:
+ sc._user_attributes = user_attributes
+
if event_common_context_field_class is not None:
sc._event_common_context_field_class = event_common_context_field_class
)
return sc
+ @property
+ def user_attributes(self):
+ ptr = native_bt.trace_class_borrow_user_attributes(self._ptr)
+ assert ptr is not None
+ return bt2_value._create_from_ptr_and_get_ref(ptr)
+
+ def _user_attributes(self, user_attributes):
+ value = bt2_value.create_value(user_attributes)
+ utils._check_type(value, bt2_value.MapValue)
+ native_bt.trace_class_set_user_attributes(self._ptr, value._ptr)
+
+ _user_attributes = property(fset=_user_attributes)
+
@property
def assigns_automatic_stream_class_id(self):
return native_bt.trace_class_assigns_automatic_stream_class_id(self._ptr)
# Field class creation methods.
- def _check_create_status(self, ptr, type_name):
+ def _check_field_class_create_status(self, ptr, type_name):
if ptr is None:
raise bt2._MemoryError('cannot create {} field class'.format(type_name))
+ @staticmethod
+ def _set_field_class_user_attrs(fc, user_attributes):
+ if user_attributes is not None:
+ fc._user_attributes = user_attributes
+
+ def create_bool_field_class(self, user_attributes=None):
+ field_class_ptr = native_bt.field_class_bool_create(self._ptr)
+ self._check_field_class_create_status(field_class_ptr, 'boolean')
+ fc = bt2_field_class._BoolFieldClass._create_from_ptr(field_class_ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
+
+ def create_bit_array_field_class(self, length, user_attributes=None):
+ utils._check_uint64(length)
+
+ if length < 1 or length > 64:
+ raise ValueError(
+ 'invalid length {}: expecting a value in the [1, 64] range'.format(
+ length
+ )
+ )
+
+ field_class_ptr = native_bt.field_class_bit_array_create(self._ptr, length)
+ self._check_field_class_create_status(field_class_ptr, 'bit array')
+ fc = bt2_field_class._BitArrayFieldClass._create_from_ptr(field_class_ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
+
def _create_integer_field_class(
- self, create_func, py_cls, type_name, field_value_range, preferred_display_base
+ self,
+ create_func,
+ py_cls,
+ type_name,
+ field_value_range,
+ preferred_display_base,
+ user_attributes,
):
field_class_ptr = create_func(self._ptr)
- self._check_create_status(field_class_ptr, type_name)
+ self._check_field_class_create_status(field_class_ptr, type_name)
field_class = py_cls._create_from_ptr(field_class_ptr)
if preferred_display_base is not None:
field_class._preferred_display_base = preferred_display_base
+ self._set_field_class_user_attrs(field_class, user_attributes)
return field_class
def create_signed_integer_field_class(
- self, field_value_range=None, preferred_display_base=None
+ self, field_value_range=None, preferred_display_base=None, user_attributes=None
):
return self._create_integer_field_class(
native_bt.field_class_integer_signed_create,
'signed integer',
field_value_range,
preferred_display_base,
+ user_attributes,
)
def create_unsigned_integer_field_class(
- self, field_value_range=None, preferred_display_base=None
+ self, field_value_range=None, preferred_display_base=None, user_attributes=None
):
return self._create_integer_field_class(
native_bt.field_class_integer_unsigned_create,
'unsigned integer',
field_value_range,
preferred_display_base,
+ user_attributes,
)
def create_signed_enumeration_field_class(
- self, field_value_range=None, preferred_display_base=None
+ self, field_value_range=None, preferred_display_base=None, user_attributes=None
):
return self._create_integer_field_class(
native_bt.field_class_enumeration_signed_create,
'signed enumeration',
field_value_range,
preferred_display_base,
+ user_attributes,
)
def create_unsigned_enumeration_field_class(
- self, field_value_range=None, preferred_display_base=None
+ self, field_value_range=None, preferred_display_base=None, user_attributes=None
):
return self._create_integer_field_class(
native_bt.field_class_enumeration_unsigned_create,
'unsigned enumeration',
field_value_range,
preferred_display_base,
+ user_attributes,
)
- def create_real_field_class(self, is_single_precision=False):
+ def create_real_field_class(self, is_single_precision=False, user_attributes=None):
field_class_ptr = native_bt.field_class_real_create(self._ptr)
- self._check_create_status(field_class_ptr, 'real')
+ self._check_field_class_create_status(field_class_ptr, 'real')
field_class = bt2_field_class._RealFieldClass._create_from_ptr(field_class_ptr)
field_class._is_single_precision = is_single_precision
+ self._set_field_class_user_attrs(field_class, user_attributes)
return field_class
- def create_structure_field_class(self):
+ def create_structure_field_class(self, user_attributes=None):
field_class_ptr = native_bt.field_class_structure_create(self._ptr)
- self._check_create_status(field_class_ptr, 'structure')
-
- return bt2_field_class._StructureFieldClass._create_from_ptr(field_class_ptr)
+ self._check_field_class_create_status(field_class_ptr, 'structure')
+ fc = bt2_field_class._StructureFieldClass._create_from_ptr(field_class_ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
- def create_string_field_class(self):
+ def create_string_field_class(self, user_attributes=None):
field_class_ptr = native_bt.field_class_string_create(self._ptr)
- self._check_create_status(field_class_ptr, 'string')
+ self._check_field_class_create_status(field_class_ptr, 'string')
+ fc = bt2_field_class._StringFieldClass._create_from_ptr(field_class_ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
- return bt2_field_class._StringFieldClass._create_from_ptr(field_class_ptr)
-
- def create_static_array_field_class(self, elem_fc, length):
+ def create_static_array_field_class(self, elem_fc, length, user_attributes=None):
utils._check_type(elem_fc, bt2_field_class._FieldClass)
utils._check_uint64(length)
ptr = native_bt.field_class_array_static_create(self._ptr, elem_fc._ptr, length)
- self._check_create_status(ptr, 'static array')
-
- return bt2_field_class._StaticArrayFieldClass._create_from_ptr_and_get_ref(ptr)
+ self._check_field_class_create_status(ptr, 'static array')
+ fc = bt2_field_class._StaticArrayFieldClass._create_from_ptr_and_get_ref(ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
- def create_dynamic_array_field_class(self, elem_fc, length_fc=None):
+ def create_dynamic_array_field_class(
+ self, elem_fc, length_fc=None, user_attributes=None
+ ):
utils._check_type(elem_fc, bt2_field_class._FieldClass)
length_fc_ptr = None
ptr = native_bt.field_class_array_dynamic_create(
self._ptr, elem_fc._ptr, length_fc_ptr
)
- self._check_create_status(ptr, 'dynamic array')
- return bt2_field_class._DynamicArrayFieldClass._create_from_ptr(ptr)
+ self._check_field_class_create_status(ptr, 'dynamic array')
+ fc = bt2_field_class._DynamicArrayFieldClass._create_from_ptr(ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
+
+ def create_option_field_class(
+ self, content_fc, selector_fc=None, user_attributes=None
+ ):
+ utils._check_type(content_fc, bt2_field_class._FieldClass)
+
+ selector_fc_ptr = None
+
+ if selector_fc is not None:
+ utils._check_type(selector_fc, bt2_field_class._BoolFieldClass)
+ selector_fc_ptr = selector_fc._ptr
+
+ ptr = native_bt.field_class_option_create(
+ self._ptr, content_fc._ptr, selector_fc_ptr
+ )
+ self._check_field_class_create_status(ptr, 'option')
+ fc = bt2_field_class._create_field_class_from_ptr_and_get_ref(ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
- def create_variant_field_class(self, selector_fc=None):
+ def create_variant_field_class(self, selector_fc=None, user_attributes=None):
selector_fc_ptr = None
if selector_fc is not None:
selector_fc_ptr = selector_fc._ptr
ptr = native_bt.field_class_variant_create(self._ptr, selector_fc_ptr)
- self._check_create_status(ptr, 'variant')
- return bt2_field_class._create_field_class_from_ptr_and_get_ref(ptr)
+ self._check_field_class_create_status(ptr, 'variant')
+ fc = bt2_field_class._create_field_class_from_ptr_and_get_ref(ptr)
+ self._set_field_class_user_attrs(fc, user_attributes)
+ return fc
# Add a listener to be called when the trace class is destroyed.
projects / babeltrace.git / blobdiff