+ @property
+ def value(self):
+ """
+ Return the value associated with the field according to its type.
+ Return None on error.
+ """
+ id = self.type
+ value = None
+
+ if id == CTFTypeId.STRING:
+ value = self._get_str()
+ elif id == CTFTypeId.ARRAY:
+ element_decl = self.declaration.element_declaration
+ if ((element_decl.type == CTFTypeId.INTEGER
+ and element_decl.length == 8)
+ and (element_decl.encoding == CTFStringEncoding.ASCII or element_decl.encoding == CTFStringEncoding.UTF8)):
+ value = _bt_python_get_array_string(self._d)
+ else:
+ value = []
+ for i in range(self.declaration.length):
+ element = self._get_array_element_at(i)
+ value.append(element.value)
+ elif id == CTFTypeId.INTEGER:
+ if self.declaration.signedness == 0:
+ value = self._get_uint64()
+ else:
+ value = self._get_int64()
+ elif id == CTFTypeId.ENUM:
+ value = self._get_enum_str()
+ elif id == CTFTypeId.SEQUENCE:
+ element_decl = self.declaration.element_declaration
+ if ((element_decl.type == CTFTypeId.INTEGER
+ and element_decl.length == 8)
+ and (element_decl.encoding == CTFStringEncoding.ASCII or element_decl.encoding == CTFStringEncoding.UTF8)):
+ value = _bt_python_get_sequence_string(self._d)
+ else:
+ seq_len = self._get_sequence_len()
+ value = []
+ for i in range(seq_len):
+ evDef = self._get_sequence_element_at(i)
+ value.append(evDef.value)
+ elif id == CTFTypeId.FLOAT:
+ value = self._get_float()
+ elif id == CTFTypeId.VARIANT:
+ variant = _Definition.__new__(_Definition)
+ variant._d = self._get_variant();
+ value = variant.value
+ elif id == CTFTypeId.STRUCT:
+ value = {}
+ for i in range(self._get_struct_field_count()):
+ member = _Definition(self._get_struct_field_at(i), self.scope)
+ value[member.name] = member.value
+
+ if field_error():
+ raise FieldError("Error occurred while accessing field {} of type {}".format(self.name, CTFTypeId.type_name(id)))
+ return value
+
+ @property
+ def scope(self):
+ """Return the scope of a field or None on error."""
+ return self._s
+
+%}
+
+
+// =================================================================
+// CTF Writer
+// =================================================================
+
+/* =================================================================
+ CLOCK.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_clock_create") bt_ctf_clock_create(const char *name);
+%rename("_bt_ctf_clock_get_name") bt_ctf_clock_get_name(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_get_description") bt_ctf_clock_get_description(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_description") bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc);
+%rename("_bt_ctf_clock_get_frequency") bt_ctf_clock_get_frequency(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_frequency") bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq);
+%rename("_bt_ctf_clock_get_precision") bt_ctf_clock_get_precision(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_precision") bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision);
+%rename("_bt_ctf_clock_get_offset_s") bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_offset_s") bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, uint64_t offset_s);
+%rename("_bt_ctf_clock_get_offset") bt_ctf_clock_get_offset(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_offset") bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, uint64_t offset);
+%rename("_bt_ctf_clock_get_is_absolute") bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_is_absolute") bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute);
+%rename("_bt_ctf_clock_get_time") bt_ctf_clock_get_time(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_set_time") bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time);
+%rename("_bt_ctf_clock_get") bt_ctf_clock_get(struct bt_ctf_clock *clock);
+%rename("_bt_ctf_clock_put") bt_ctf_clock_put(struct bt_ctf_clock *clock);
+
+struct bt_ctf_clock *bt_ctf_clock_create(const char *name);
+const char *bt_ctf_clock_get_name(struct bt_ctf_clock *clock);
+const char *bt_ctf_clock_get_description(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc);
+uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq);
+uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision);
+uint64_t bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, uint64_t offset_s);
+uint64_t bt_ctf_clock_get_offset(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, uint64_t offset);
+int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute);
+uint64_t bt_ctf_clock_get_time(struct bt_ctf_clock *clock);
+int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, uint64_t time);
+void bt_ctf_clock_get(struct bt_ctf_clock *clock);
+void bt_ctf_clock_put(struct bt_ctf_clock *clock);
+
+/* =================================================================
+ EVENT-TYPES.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_field_type_integer_create") bt_ctf_field_type_integer_create(unsigned int size);
+%rename("_bt_ctf_field_type_integer_get_size") bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *integer);
+%rename("_bt_ctf_field_type_integer_get_signed") bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *integer);
+%rename("_bt_ctf_field_type_integer_set_signed") bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *integer, int is_signed);
+%rename("_bt_ctf_field_type_integer_get_base") bt_ctf_field_type_integer_get_base(struct bt_ctf_field_type *integer);
+%rename("_bt_ctf_field_type_integer_set_base") bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *integer, enum bt_ctf_integer_base base);
+%rename("_bt_ctf_field_type_integer_get_encoding") bt_ctf_field_type_integer_get_encoding(struct bt_ctf_field_type *integer);
+%rename("_bt_ctf_field_type_integer_set_encoding") bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *integer, enum ctf_string_encoding encoding);
+%rename("_bt_ctf_field_type_enumeration_create") bt_ctf_field_type_enumeration_create(struct bt_ctf_field_type *integer_container_type);
+%rename("_bt_ctf_field_type_enumeration_get_container_type") bt_ctf_field_type_enumeration_get_container_type(struct bt_ctf_field_type *enumeration);
+%rename("_bt_ctf_field_type_enumeration_add_mapping") bt_ctf_field_type_enumeration_add_mapping(struct bt_ctf_field_type *enumeration, const char *name, int64_t range_start, int64_t range_end);
+%rename("_bt_ctf_field_type_enumeration_add_mapping_unsigned") bt_ctf_field_type_enumeration_add_mapping_unsigned(struct bt_ctf_field_type *enumeration, const char *name, uint64_t range_start, uint64_t range_end);
+%rename("_bt_ctf_field_type_enumeration_get_mapping_count") bt_ctf_field_type_enumeration_get_mapping_count(struct bt_ctf_field_type *enumeration);
+%rename("_bt_ctf_field_type_enumeration_get_mapping") bt_ctf_field_type_enumeration_get_mapping(struct bt_ctf_field_type *enumeration, size_t index, const char **name, int64_t *range_start, int64_t *range_end);
+%rename("_bt_ctf_field_type_enumeration_get_mapping_unsigned") bt_ctf_field_type_enumeration_get_mapping_unsigned(struct bt_ctf_field_type *enumeration, size_t index, const char **name, uint64_t *range_start, uint64_t *range_end);
+%rename("_bt_ctf_field_type_enumeration_get_mapping_index_by_name") bt_ctf_field_type_enumeration_get_mapping_index_by_name(struct bt_ctf_field_type *enumeration, const char *name, size_t *index);
+%rename("_bt_ctf_field_type_enumeration_get_mapping_index_by_value") bt_ctf_field_type_enumeration_get_mapping_index_by_value(struct bt_ctf_field_type *enumeration, int64_t value, size_t *index);
+%rename("_bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value") bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(struct bt_ctf_field_type *enumeration, uint64_t value, size_t *index);
+%rename("_bt_ctf_field_type_floating_point_create") bt_ctf_field_type_floating_point_create(void);
+%rename("_bt_ctf_field_type_floating_point_get_exponent_digits") bt_ctf_field_type_floating_point_get_exponent_digits(struct bt_ctf_field_type *floating_point);
+%rename("_bt_ctf_field_type_floating_point_set_exponent_digits") bt_ctf_field_type_floating_point_set_exponent_digits(struct bt_ctf_field_type *floating_point, unsigned int exponent_digits);
+%rename("_bt_ctf_field_type_floating_point_get_mantissa_digits") bt_ctf_field_type_floating_point_get_mantissa_digits(struct bt_ctf_field_type *floating_point);
+%rename("_bt_ctf_field_type_floating_point_set_mantissa_digits") bt_ctf_field_type_floating_point_set_mantissa_digits(struct bt_ctf_field_type *floating_point, unsigned int mantissa_digits);
+%rename("_bt_ctf_field_type_structure_create") bt_ctf_field_type_structure_create(void);
+%rename("_bt_ctf_field_type_structure_add_field") bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *structure, struct bt_ctf_field_type *field_type, const char *field_name);
+%rename("_bt_ctf_field_type_structure_get_field_count") bt_ctf_field_type_structure_get_field_count(struct bt_ctf_field_type *structure);
+%rename("_bt_ctf_field_type_structure_get_field") bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *structure, const char **field_name, struct bt_ctf_field_type **field_type, size_t index);
+%rename("_bt_ctf_field_type_structure_get_field_type_by_name") bt_ctf_field_type_structure_get_field_type_by_name(struct bt_ctf_field_type *structure, const char *field_name);
+%rename("_bt_ctf_field_type_variant_create") bt_ctf_field_type_variant_create(struct bt_ctf_field_type *enum_tag, const char *tag_name);
+%rename("_bt_ctf_field_type_variant_get_tag_type") bt_ctf_field_type_variant_get_tag_type(struct bt_ctf_field_type *variant);
+%rename("_bt_ctf_field_type_variant_get_tag_name") bt_ctf_field_type_variant_get_tag_name(struct bt_ctf_field_type *variant);
+%rename("_bt_ctf_field_type_variant_add_field") bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *variant, struct bt_ctf_field_type *field_type, const char *field_name);
+%rename("_bt_ctf_field_type_variant_get_field_type_by_name") bt_ctf_field_type_variant_get_field_type_by_name(struct bt_ctf_field_type *variant, const char *field_name);
+%rename("_bt_ctf_field_type_variant_get_field_type_from_tag") bt_ctf_field_type_variant_get_field_type_from_tag(struct bt_ctf_field_type *variant, struct bt_ctf_field *tag);
+%rename("_bt_ctf_field_type_variant_get_field_count") bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *variant);
+%rename("_bt_ctf_field_type_variant_get_field") bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *variant, const char **field_name, struct bt_ctf_field_type **field_type, size_t index);
+%rename("_bt_ctf_field_type_array_create") bt_ctf_field_type_array_create(struct bt_ctf_field_type *element_type, unsigned int length);
+%rename("_bt_ctf_field_type_array_get_element_type") bt_ctf_field_type_array_get_element_type(struct bt_ctf_field_type *array);
+%rename("_bt_ctf_field_type_array_get_length") bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *array);
+%rename("_bt_ctf_field_type_sequence_create") bt_ctf_field_type_sequence_create(struct bt_ctf_field_type *element_type, const char *length_field_name);
+%rename("_bt_ctf_field_type_sequence_get_element_type") bt_ctf_field_type_sequence_get_element_type(struct bt_ctf_field_type *sequence);
+%rename("_bt_ctf_field_type_sequence_get_length_field_name") bt_ctf_field_type_sequence_get_length_field_name(struct bt_ctf_field_type *sequence);
+%rename("_bt_ctf_field_type_string_create") bt_ctf_field_type_string_create(void);
+%rename("_bt_ctf_field_type_string_get_encoding") bt_ctf_field_type_string_get_encoding(struct bt_ctf_field_type *string_type);
+%rename("_bt_ctf_field_type_string_set_encoding") bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *string_type, enum ctf_string_encoding encoding);
+%rename("_bt_ctf_field_type_get_alignment") bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type);
+%rename("_bt_ctf_field_type_set_alignment") bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, unsigned int alignment);
+%rename("_bt_ctf_field_type_get_byte_order") bt_ctf_field_type_get_byte_order(struct bt_ctf_field_type *type);
+%rename("_bt_ctf_field_type_set_byte_order") bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, enum bt_ctf_byte_order byte_order);
+%rename("_bt_ctf_field_type_get_type_id") bt_ctf_field_type_get_type_id(struct bt_ctf_field_type *type);
+%rename("_bt_ctf_field_type_get") bt_ctf_field_type_get(struct bt_ctf_field_type *type);
+%rename("_bt_ctf_field_type_put") bt_ctf_field_type_put(struct bt_ctf_field_type *type);
+
+struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size);
+int bt_ctf_field_type_integer_get_size(struct bt_ctf_field_type *integer);
+int bt_ctf_field_type_integer_get_signed(struct bt_ctf_field_type *integer);
+int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *integer, int is_signed);
+enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base(struct bt_ctf_field_type *integer);
+int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *integer, enum bt_ctf_integer_base base);
+enum ctf_string_encoding bt_ctf_field_type_integer_get_encoding(struct bt_ctf_field_type *integer);
+int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *integer, enum ctf_string_encoding encoding);
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(struct bt_ctf_field_type *integer_container_type);
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type(struct bt_ctf_field_type *enumeration);
+int bt_ctf_field_type_enumeration_add_mapping(struct bt_ctf_field_type *enumeration, const char *name, int64_t range_start, int64_t range_end);
+int bt_ctf_field_type_enumeration_add_mapping_unsigned(struct bt_ctf_field_type *enumeration, const char *name, uint64_t range_start, uint64_t range_end);
+int64_t bt_ctf_field_type_enumeration_get_mapping_count(struct bt_ctf_field_type *enumeration);
+int bt_ctf_field_type_enumeration_get_mapping(struct bt_ctf_field_type *enumeration, size_t index, const char **OUTPUT, int64_t *OUTPUT, int64_t *OUTPUT);
+int bt_ctf_field_type_enumeration_get_mapping_unsigned(struct bt_ctf_field_type *enumeration, size_t index, const char **OUTPUT, uint64_t *OUTPUT, uint64_t *OUTPUT);
+int bt_ctf_field_type_enumeration_get_mapping_index_by_name(struct bt_ctf_field_type *enumeration, const char *name, size_t *OUTPUT);
+int bt_ctf_field_type_enumeration_get_mapping_index_by_value(struct bt_ctf_field_type *enumeration, int64_t value, size_t *OUTPUT);
+int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(struct bt_ctf_field_type *enumeration, uint64_t value, size_t *OUTPUT);
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void);
+int bt_ctf_field_type_floating_point_get_exponent_digits(struct bt_ctf_field_type *floating_point);
+int bt_ctf_field_type_floating_point_set_exponent_digits(struct bt_ctf_field_type *floating_point, unsigned int exponent_digits);
+int bt_ctf_field_type_floating_point_get_mantissa_digits(struct bt_ctf_field_type *floating_point);
+int bt_ctf_field_type_floating_point_set_mantissa_digits(struct bt_ctf_field_type *floating_point, unsigned int mantissa_digits);
+struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void);
+int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *structure, struct bt_ctf_field_type *field_type, const char *field_name);
+int64_t bt_ctf_field_type_structure_get_field_count(struct bt_ctf_field_type *structure);
+int bt_ctf_field_type_structure_get_field(struct bt_ctf_field_type *structure, const char **OUTPUT, struct bt_ctf_field_type **OUTPUT, size_t index);
+struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name(struct bt_ctf_field_type *structure, const char *field_name);
+struct bt_ctf_field_type *bt_ctf_field_type_variant_create(struct bt_ctf_field_type *enum_tag, const char *tag_name);
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type(struct bt_ctf_field_type *variant);
+const char *bt_ctf_field_type_variant_get_tag_name(struct bt_ctf_field_type *variant);
+int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *variant, struct bt_ctf_field_type *field_type, const char *field_name);
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name(struct bt_ctf_field_type *variant, const char *field_name);
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag(struct bt_ctf_field_type *variant, struct bt_ctf_field *tag);
+int64_t bt_ctf_field_type_variant_get_field_count(struct bt_ctf_field_type *variant);
+int bt_ctf_field_type_variant_get_field(struct bt_ctf_field_type *variant, const char **OUTPUT, struct bt_ctf_field_type **OUTPUT, size_t index);
+struct bt_ctf_field_type *bt_ctf_field_type_array_create(struct bt_ctf_field_type *element_type, unsigned int length);
+struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(struct bt_ctf_field_type *array);
+int64_t bt_ctf_field_type_array_get_length(struct bt_ctf_field_type *array);
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_create(struct bt_ctf_field_type *element_type, const char *length_field_name);
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(struct bt_ctf_field_type *sequence);
+const char *bt_ctf_field_type_sequence_get_length_field_name(struct bt_ctf_field_type *sequence);
+struct bt_ctf_field_type *bt_ctf_field_type_string_create(void);
+enum ctf_string_encoding bt_ctf_field_type_string_get_encoding(struct bt_ctf_field_type *string_type);
+int bt_ctf_field_type_string_set_encoding(struct bt_ctf_field_type *string_type, enum ctf_string_encoding encoding);
+int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type);
+int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, unsigned int alignment);
+enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order(struct bt_ctf_field_type *type);
+int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, enum bt_ctf_byte_order byte_order);
+enum ctf_type_id bt_ctf_field_type_get_type_id(struct bt_ctf_field_type *type);
+void bt_ctf_field_type_get(struct bt_ctf_field_type *type);
+void bt_ctf_field_type_put(struct bt_ctf_field_type *type);
+
+/* =================================================================
+ EVENT-FIELDS.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_field_create") bt_ctf_field_create(struct bt_ctf_field_type *type);
+%rename("_bt_ctf_field_structure_get_field") bt_ctf_field_structure_get_field(struct bt_ctf_field *structure, const char *name);
+%rename("_bt_ctf_field_array_get_field") bt_ctf_field_array_get_field(struct bt_ctf_field *array, uint64_t index);
+%rename("_bt_ctf_field_sequence_get_length") bt_ctf_field_sequence_get_length(struct bt_ctf_field *sequence);
+%rename("_bt_ctf_field_sequence_set_length") bt_ctf_field_sequence_set_length(struct bt_ctf_field *sequence, struct bt_ctf_field *length_field);
+%rename("_bt_ctf_field_sequence_get_field") bt_ctf_field_sequence_get_field(struct bt_ctf_field *sequence, uint64_t index);
+%rename("_bt_ctf_field_variant_get_field") bt_ctf_field_variant_get_field(struct bt_ctf_field *variant, struct bt_ctf_field *tag);
+%rename("_bt_ctf_field_enumeration_get_container") bt_ctf_field_enumeration_get_container(struct bt_ctf_field *enumeration);
+%rename("_bt_ctf_field_enumeration_get_mapping_name") bt_ctf_field_enumeration_get_mapping_name(struct bt_ctf_field *enumeration);
+%rename("_bt_ctf_field_signed_integer_get_value") bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *integer, int64_t *value);
+%rename("_bt_ctf_field_signed_integer_set_value") bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *integer, int64_t value);
+%rename("_bt_ctf_field_unsigned_integer_get_value") bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *integer, uint64_t *value);
+%rename("_bt_ctf_field_unsigned_integer_set_value") bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *integer, uint64_t value);
+%rename("_bt_ctf_field_floating_point_get_value") bt_ctf_field_floating_point_get_value(struct bt_ctf_field *floating_point, double *value);
+%rename("_bt_ctf_field_floating_point_set_value") bt_ctf_field_floating_point_set_value(struct bt_ctf_field *floating_point, double value);
+%rename("_bt_ctf_field_string_get_value") bt_ctf_field_string_get_value(struct bt_ctf_field *string_field);
+%rename("_bt_ctf_field_string_set_value") bt_ctf_field_string_set_value(struct bt_ctf_field *string_field, const char *value);
+%rename("_bt_ctf_field_get_type") bt_ctf_field_get_type(struct bt_ctf_field *field);
+%rename("_bt_ctf_field_get") bt_ctf_field_get(struct bt_ctf_field *field);
+%rename("_bt_ctf_field_put") bt_ctf_field_put(struct bt_ctf_field *field);
+
+struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type);
+struct bt_ctf_field *bt_ctf_field_structure_get_field(struct bt_ctf_field *structure, const char *name);
+struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *array, uint64_t index);
+struct bt_ctf_field * bt_ctf_field_sequence_get_length(struct bt_ctf_field *sequence);
+int bt_ctf_field_sequence_set_length(struct bt_ctf_field *sequence, struct bt_ctf_field *length_field);
+struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *sequence, uint64_t index);
+struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *variant, struct bt_ctf_field *tag);
+struct bt_ctf_field *bt_ctf_field_enumeration_get_container(struct bt_ctf_field *enumeration);
+const char *bt_ctf_field_enumeration_get_mapping_name(struct bt_ctf_field *enumeration);
+int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *integer, int64_t *OUTPUT);
+int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *integer, int64_t value);
+int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *integer, uint64_t *OUTPUT);
+int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *integer, uint64_t value);
+int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *floating_point, double *OUTPUT);
+int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *floating_point, double value);
+const char *bt_ctf_field_string_get_value(struct bt_ctf_field *string_field);
+int bt_ctf_field_string_set_value(struct bt_ctf_field *string_field, const char *value);
+struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field);
+void bt_ctf_field_get(struct bt_ctf_field *field);
+void bt_ctf_field_put(struct bt_ctf_field *field);
+
+/* =================================================================
+ EVENT.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_event_class_create") bt_ctf_event_class_create(const char *name);
+%rename("_bt_ctf_event_class_get_name") bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_class_get_id") bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_class_set_id") bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, uint32_t id);
+%rename("_bt_ctf_event_class_get_stream_class") bt_ctf_event_class_get_stream_class(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_class_add_field") bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, struct bt_ctf_field_type *type, const char *name);
+%rename("_bt_ctf_event_class_get_field_count") bt_ctf_event_class_get_field_count(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_class_get_field") bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, const char **field_name, struct bt_ctf_field_type **field_type, size_t index);
+%rename("_bt_ctf_event_class_get_field_by_name") bt_ctf_event_class_get_field_by_name(struct bt_ctf_event_class *event_class, const char *name);
+%rename("_bt_ctf_event_class_get") bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_class_put") bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_create") bt_ctf_event_create(struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_event_get_class") bt_ctf_event_get_class(struct bt_ctf_event *event);
+%rename("_bt_ctf_event_get_clock") bt_ctf_event_get_clock(struct bt_ctf_event *event);
+%rename("_bt_ctf_event_get_payload") bt_ctf_event_get_payload(struct bt_ctf_event *event, const char *name);
+%rename("_bt_ctf_event_set_payload") bt_ctf_event_set_payload(struct bt_ctf_event *event, const char *name, struct bt_ctf_field *value);
+%rename("_bt_ctf_event_get_payload_by_index") bt_ctf_event_get_payload_by_index(struct bt_ctf_event *event, size_t index);
+%rename("_bt_ctf_event_get") bt_ctf_event_get(struct bt_ctf_event *event);
+%rename("_bt_ctf_event_put") bt_ctf_event_put(struct bt_ctf_event *event);
+
+struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name);
+const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class);
+int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class);
+int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, uint32_t id);
+struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(struct bt_ctf_event_class *event_class);
+int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, struct bt_ctf_field_type *type, const char *name);
+int64_t bt_ctf_event_class_get_field_count(struct bt_ctf_event_class *event_class);
+int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class, const char **field_name, struct bt_ctf_field_type **field_type, size_t index);
+struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(struct bt_ctf_event_class *event_class, const char *name);
+void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
+void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
+struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class);
+struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event);
+struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event);
+struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, const char *name);
+int bt_ctf_event_set_payload(struct bt_ctf_event *event, const char *name, struct bt_ctf_field *value);
+struct bt_ctf_field *bt_ctf_event_get_payload_by_index(struct bt_ctf_event *event, size_t index);
+void bt_ctf_event_get(struct bt_ctf_event *event);
+void bt_ctf_event_put(struct bt_ctf_event *event);
+
+/* =================================================================
+ STREAM.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_stream_class_create") bt_ctf_stream_class_create(const char *name);
+%rename("_bt_ctf_stream_class_get_name") bt_ctf_stream_class_get_name(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_class_get_clock") bt_ctf_stream_class_get_clock(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_class_set_clock") bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, struct bt_ctf_clock *clock);
+%rename("_bt_ctf_stream_class_get_id") bt_ctf_stream_class_get_id(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_class_set_id") bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, uint32_t id);
+%rename("_bt_ctf_stream_class_add_event_class") bt_ctf_stream_class_add_event_class(struct bt_ctf_stream_class *stream_class, struct bt_ctf_event_class *event_class);
+%rename("_bt_ctf_stream_class_get_event_class_count") bt_ctf_stream_class_get_event_class_count(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_class_get_event_class") bt_ctf_stream_class_get_event_class(struct bt_ctf_stream_class *stream_class, size_t index);
+%rename("_bt_ctf_stream_class_get_event_class_by_name") bt_ctf_stream_class_get_event_class_by_name(struct bt_ctf_stream_class *stream_class, const char *name);
+%rename("_bt_ctf_stream_class_get") bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_class_put") bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_stream_get_discarded_events_count") bt_ctf_stream_get_discarded_events_count(struct bt_ctf_stream *stream, uint64_t *count);
+%rename("_bt_ctf_stream_append_discarded_events") bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, uint64_t event_count);
+%rename("_bt_ctf_stream_append_event") bt_ctf_stream_append_event(struct bt_ctf_stream *stream, struct bt_ctf_event *event);
+%rename("_bt_ctf_stream_flush") bt_ctf_stream_flush(struct bt_ctf_stream *stream);
+%rename("_bt_ctf_stream_get") bt_ctf_stream_get(struct bt_ctf_stream *stream);
+%rename("_bt_ctf_stream_put") bt_ctf_stream_put(struct bt_ctf_stream *stream);
+
+struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name);
+const char *bt_ctf_stream_class_get_name(struct bt_ctf_stream_class *stream_class);
+struct bt_ctf_clock *bt_ctf_stream_class_get_clock(struct bt_ctf_stream_class *stream_class);
+int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, struct bt_ctf_clock *clock);
+int64_t bt_ctf_stream_class_get_id(struct bt_ctf_stream_class *stream_class);
+int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, uint32_t id);
+int bt_ctf_stream_class_add_event_class(struct bt_ctf_stream_class *stream_class, struct bt_ctf_event_class *event_class);
+int64_t bt_ctf_stream_class_get_event_class_count(struct bt_ctf_stream_class *stream_class);
+struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class(struct bt_ctf_stream_class *stream_class, size_t index);
+struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name(struct bt_ctf_stream_class *stream_class, const char *name);
+void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class);
+void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class);
+int bt_ctf_stream_get_discarded_events_count(struct bt_ctf_stream *stream, uint64_t *OUTPUT);
+void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, uint64_t event_count);
+int bt_ctf_stream_append_event(struct bt_ctf_stream *stream, struct bt_ctf_event *event);
+int bt_ctf_stream_flush(struct bt_ctf_stream *stream);
+void bt_ctf_stream_get(struct bt_ctf_stream *stream);
+void bt_ctf_stream_put(struct bt_ctf_stream *stream);
+
+/* =================================================================
+ WRITER.H
+ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
+*/
+%rename("_bt_ctf_writer_create") bt_ctf_writer_create(const char *path);
+%rename("_bt_ctf_writer_create_stream") bt_ctf_writer_create_stream(struct bt_ctf_writer *writer, struct bt_ctf_stream_class *stream_class);
+%rename("_bt_ctf_writer_add_environment_field") bt_ctf_writer_add_environment_field(struct bt_ctf_writer *writer, const char *name, const char *value);
+%rename("_bt_ctf_writer_add_clock") bt_ctf_writer_add_clock(struct bt_ctf_writer *writer, struct bt_ctf_clock *clock);
+%newobject bt_ctf_writer_get_metadata_string;
+%rename("_bt_ctf_writer_get_metadata_string") bt_ctf_writer_get_metadata_string(struct bt_ctf_writer *writer);
+%rename("_bt_ctf_writer_flush_metadata") bt_ctf_writer_flush_metadata(struct bt_ctf_writer *writer);
+%rename("_bt_ctf_writer_set_byte_order") bt_ctf_writer_set_byte_order(struct bt_ctf_writer *writer, enum bt_ctf_byte_order byte_order);
+%rename("_bt_ctf_writer_get") bt_ctf_writer_get(struct bt_ctf_writer *writer);
+%rename("_bt_ctf_writer_put") bt_ctf_writer_put(struct bt_ctf_writer *writer);
+
+struct bt_ctf_writer *bt_ctf_writer_create(const char *path);
+struct bt_ctf_stream *bt_ctf_writer_create_stream(struct bt_ctf_writer *writer, struct bt_ctf_stream_class *stream_class);
+int bt_ctf_writer_add_environment_field(struct bt_ctf_writer *writer, const char *name, const char *value);
+int bt_ctf_writer_add_clock(struct bt_ctf_writer *writer, struct bt_ctf_clock *clock);
+char *bt_ctf_writer_get_metadata_string(struct bt_ctf_writer *writer);
+void bt_ctf_writer_flush_metadata(struct bt_ctf_writer *writer);
+int bt_ctf_writer_set_byte_order(struct bt_ctf_writer *writer, enum bt_ctf_byte_order byte_order);
+void bt_ctf_writer_get(struct bt_ctf_writer *writer);
+void bt_ctf_writer_put(struct bt_ctf_writer *writer);
+
+%pythoncode %{
+
+class CTFWriter:
+ # Used to compare to -1ULL in error checks
+ _MAX_UINT64 = 0xFFFFFFFFFFFFFFFF
+
+ """
+ Enumeration mapping class. start and end values are inclusive.
+ """
+ class EnumerationMapping:
+ def __init__(self, name, start, end):
+ self.name = name
+ self.start = start
+ self.end = end
+
+ class Clock:
+ def __init__(self, name):
+ self._c = _bt_ctf_clock_create(name)
+ if self._c is None:
+ raise ValueError("Invalid clock name.")
+
+ def __del__(self):
+ _bt_ctf_clock_put(self._c)
+
+ """
+ Get the clock's name.
+ """
+ @property
+ def name(self):
+ name = _bt_ctf_clock_get_name(self._c)
+ if name is None:
+ raise ValueError("Invalid clock instance.")
+ return name
+
+ """
+ Get the clock's description. None if unset.
+ """
+ @property
+ def description(self):
+ return _bt_ctf_clock_get_description(self._c)
+
+ """
+ Set the clock's description. The description appears in the clock's TSDL
+ meta-data.
+ """
+ @description.setter
+ def description(self, desc):
+ ret = _bt_ctf_clock_set_description(self._c, str(desc))
+ if ret < 0:
+ raise ValueError("Invalid clock description.")
+
+ """
+ Get the clock's frequency (Hz).
+ """
+ @property
+ def frequency(self):
+ freq = _bt_ctf_clock_get_frequency(self._c)
+ if freq == CTFWriter._MAX_UINT64:
+ raise ValueError("Invalid clock instance")
+ return freq
+
+ """
+ Set the clock's frequency (Hz).
+ """
+ @frequency.setter
+ def frequency(self, freq):
+ ret = _bt_ctf_clock_set_frequency(self._c, freq)
+ if ret < 0:
+ raise ValueError("Invalid frequency value.")
+
+ """
+ Get the clock's precision (in clock ticks).
+ """
+ @property
+ def precision(self):
+ precision = _bt_ctf_clock_get_precision(self._c)
+ if precision == CTFWriter._MAX_UINT64:
+ raise ValueError("Invalid clock instance")
+ return precision
+
+ """
+ Set the clock's precision (in clock ticks).
+ """
+ @precision.setter
+ def precision(self, precision):
+ ret = _bt_ctf_clock_set_precision(self._c, precision)
+
+ """
+ Get the clock's offset in seconds from POSIX.1 Epoch.
+ """
+ @property
+ def offset_seconds(self):
+ offset_s = _bt_ctf_clock_get_offset_s(self._c)
+ if offset_s == CTFWriter._MAX_UINT64:
+ raise ValueError("Invalid clock instance")
+ return offset_s
+
+ """
+ Set the clock's offset in seconds from POSIX.1 Epoch.
+ """
+ @offset_seconds.setter
+ def offset_seconds(self, offset_s):
+ ret = _bt_ctf_clock_set_offset_s(self._c, offset_s)
+ if ret < 0:
+ raise ValueError("Invalid offset value.")
+
+ """
+ Get the clock's offset in ticks from POSIX.1 Epoch + offset in seconds.
+ """
+ @property
+ def offset(self):
+ offset = _bt_ctf_clock_get_offset(self._c)
+ if offset == CTFWriter._MAX_UINT64:
+ raise ValueError("Invalid clock instance")
+ return offset
+
+ """
+ Set the clock's offset in ticks from POSIX.1 Epoch + offset in seconds.
+ """
+ @offset.setter
+ def offset(self, offset):
+ ret = _bt_ctf_clock_set_offset(self._c, offset)
+ if ret < 0:
+ raise ValueError("Invalid offset value.")
+
+ """
+ Get a clock's absolute attribute. A clock is absolute if the clock
+ is a global reference across the trace's other clocks.
+ """
+ @property
+ def absolute(self):
+ is_absolute = _bt_ctf_clock_get_is_absolute(self._c)
+ if is_absolute == -1:
+ raise ValueError("Invalid clock instance")
+ return False if is_absolute == 0 else True
+
+ """
+ Set a clock's absolute attribute. A clock is absolute if the clock
+ is a global reference across the trace's other clocks.
+ """
+ @absolute.setter
+ def absolute(self, is_absolute):
+ ret = _bt_ctf_clock_set_is_absolute(self._c, int(is_absolute))
+ if ret < 0:
+ raise ValueError("Could not set the clock's absolute attribute.")
+
+ """
+ Get the current time in nanoseconds since the clock's origin (offset and
+ offset_s attributes).
+ """
+ @property
+ def time(self):
+ time = _bt_ctf_clock_get_time(self._c)
+ if time == CTFWriter._MAX_UINT64:
+ raise ValueError("Invalid clock instance")
+ return time
+
+ """
+ Set the current time in nanoseconds since the clock's origin (offset and
+ offset_s attributes). The clock's value will be sampled as events are
+ appended to a stream.
+ """
+ @time.setter
+ def time(self, time):
+ ret = _bt_ctf_clock_set_time(self._c, time)
+ if ret < 0:
+ raise ValueError("Invalid time value.")
+
+ class FieldDeclaration:
+ """
+ FieldDeclaration should not be instantiated directly. Instantiate
+ one of the concrete FieldDeclaration classes.
+ """
+ class IntegerBase:
+ # These values are based on the bt_ctf_integer_base enum
+ # declared in event-types.h.
+ INTEGER_BASE_UNKNOWN = -1
+ INTEGER_BASE_BINARY = 2
+ INTEGER_BASE_OCTAL = 8
+ INTEGER_BASE_DECIMAL = 10
+ INTEGER_BASE_HEXADECIMAL = 16
+
+ def __init__(self):
+ if self._ft is None:
+ raise ValueError("FieldDeclaration creation failed.")
+
+ def __del__(self):
+ _bt_ctf_field_type_put(self._ft)
+
+ @staticmethod
+ def _create_field_declaration_from_native_instance(native_field_declaration):
+ type_dict = {
+ CTFTypeId.INTEGER : CTFWriter.IntegerFieldDeclaration,
+ CTFTypeId.FLOAT : CTFWriter.FloatFieldDeclaration,
+ CTFTypeId.ENUM : CTFWriter.EnumerationFieldDeclaration,
+ CTFTypeId.STRING : CTFWriter.StringFieldDeclaration,
+ CTFTypeId.STRUCT : CTFWriter.StructureFieldDeclaration,
+ CTFTypeId.VARIANT : CTFWriter.VariantFieldDeclaration,
+ CTFTypeId.ARRAY : CTFWriter.ArrayFieldDeclaration,
+ CTFTypeId.SEQUENCE : CTFWriter.SequenceFieldDeclaration
+ }
+
+ field_type_id = _bt_ctf_field_type_get_type_id(native_field_declaration)
+ if field_type_id == CTFTypeId.UNKNOWN:
+ raise TypeError("Invalid field instance")
+
+ declaration = CTFWriter.Field.__new__(CTFWriter.Field)
+ declaration._ft = native_field_declaration
+ declaration.__class__ = type_dict[field_type_id]
+ return declaration
+
+ """
+ Get the field declaration's alignment. Returns -1 on error.
+ """
+ @property
+ def alignment(self):
+ return _bt_ctf_field_type_get_alignment(self._ft)
+
+ """
+ Set the field declaration's alignment. Defaults to 1 (bit-aligned). However,
+ some types, such as structures and string, may impose other alignment
+ constraints.
+ """
+ @alignment.setter
+ def alignment(self, alignment):
+ ret = _bt_ctf_field_type_set_alignment(self._ft, alignment)
+ if ret < 0:
+ raise ValueError("Invalid alignment value.")
+
+ """
+ Get the field declaration's byte order. One of the ByteOrder's constant.
+ """
+ @property
+ def byte_order(self):
+ return _bt_ctf_field_type_get_byte_order(self._ft)
+
+ """
+ Set the field declaration's byte order. Use constants defined in the ByteOrder
+ class.
+ """
+ @byte_order.setter
+ def byte_order(self, byte_order):
+ ret = _bt_ctf_field_type_set_byte_order(self._ft, byte_order)
+ if ret < 0:
+ raise ValueError("Could not set byte order value.")
+
+ class IntegerFieldDeclaration(FieldDeclaration):
+ """
+ Create a new integer field declaration of the given size.
+ """
+ def __init__(self, size):
+ self._ft = _bt_ctf_field_type_integer_create(size)
+ super().__init__()
+
+ """
+ Get an integer's size.
+ """
+ @property
+ def size(self):
+ ret = _bt_ctf_field_type_integer_get_size(self._ft)
+ if ret < 0:
+ raise ValueError("Could not get Integer's size attribute.")
+ else:
+ return ret
+
+ """
+ Get an integer's signedness attribute.
+ """
+ @property
+ def signed(self):
+ ret = _bt_ctf_field_type_integer_get_signed(self._ft)
+ if ret < 0:
+ raise ValueError("Could not get Integer's signed attribute.")
+ elif ret > 0:
+ return True
+ else:
+ return False
+
+ """
+ Set an integer's signedness attribute.
+ """
+ @signed.setter
+ def signed(self, signed):
+ ret = _bt_ctf_field_type_integer_set_signed(self._ft, signed)
+ if ret < 0:
+ raise ValueError("Could not set Integer's signed attribute.")
+
+ """
+ Get the integer's base used to pretty-print the resulting trace.
+ Returns a constant from the FieldDeclaration.IntegerBase class.
+ """
+ @property
+ def base(self):
+ return _bt_ctf_field_type_integer_get_base(self._ft)
+
+ """
+ Set the integer's base used to pretty-print the resulting trace.
+ The base must be a constant of the FieldDeclarationIntegerBase class.
+ """
+ @base.setter
+ def base(self, base):
+ ret = _bt_ctf_field_type_integer_set_base(self._ft, base)
+ if ret < 0:
+ raise ValueError("Could not set Integer's base.")
+
+ """
+ Get the integer's encoding (one of the constants of the
+ CTFStringEncoding class).
+ Returns a constant from the CTFStringEncoding class.
+ """
+ @property
+ def encoding(self):
+ return _bt_ctf_field_type_integer_get_encoding(self._ft)
+
+ """
+ An integer encoding may be set to signal that the integer must be printed
+ as a text character. Must be a constant from the CTFStringEncoding class.
+ """
+ @encoding.setter
+ def encoding(self, encoding):
+ ret = _bt_ctf_field_type_integer_set_encoding(self._ft, encoding)
+ if ret < 0:
+ raise ValueError("Could not set Integer's encoding.")
+
+ class EnumerationFieldDeclaration(FieldDeclaration):
+ """
+ Create a new enumeration field declaration with the given underlying container type.
+ """
+ def __init__(self, integer_type):
+ if integer_type is None or not isinstance(integer_type, CTFWriter.IntegerFieldDeclaration):
+ raise TypeError("Invalid integer container.")
+
+ self._ft = _bt_ctf_field_type_enumeration_create(integer_type._ft)
+ super().__init__()
+
+ """
+ Get the enumeration's underlying container type.
+ """
+ @property
+ def container(self):
+ ret = _bt_ctf_field_type_enumeration_get_container_type(self._ft)
+ if ret is None:
+ raise TypeError("Invalid enumeration declaration")
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(ret)
+
+ """
+ Add a mapping to the enumeration. The range's values are inclusive.
+ """
+ def add_mapping(self, name, range_start, range_end):
+ if range_start < 0 or range_end < 0:
+ ret = _bt_ctf_field_type_enumeration_add_mapping(self._ft, str(name), range_start, range_end)
+ else:
+ ret = _bt_ctf_field_type_enumeration_add_mapping_unsigned(self._ft, str(name), range_start, range_end)
+
+ if ret < 0:
+ raise ValueError("Could not add mapping to enumeration declaration.")
+
+ """
+ Generator returning instances of EnumerationMapping.
+ """
+ @property
+ def mappings(self):
+ signed = self.container.signed
+
+ count = _bt_ctf_field_type_enumeration_get_mapping_count(self._ft)
+ for i in range(count):
+ if signed:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping(self._ft, i)
+ else:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping_unsigned(self._ft, i)
+
+ if len(ret) != 3:
+ raise TypeError("Could not get Enumeration mapping at index {}".format(i))
+ name, range_start, range_end = ret
+ yield CTFWriter.EnumerationMapping(name, range_start, range_end)
+
+ """
+ Get a mapping by name (EnumerationMapping).
+ """
+ def get_mapping_by_name(self, name):
+ ret, index = _bt_ctf_field_type_enumeration_get_mapping_index_by_name(self._ft, name);
+ if ret < 0:
+ return None
+
+ if self.container.signed:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping(self._ft, index)
+ else:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping_unsigned(self._ft, index)
+
+ if len(ret) != 3:
+ raise TypeError("Could not get Enumeration mapping at index {}".format(i))
+ name, range_start, range_end = ret
+ return CTFWriter.EnumerationMapping(name, range_start, range_end)
+
+ """
+ Get a mapping by value (EnumerationMapping).
+ """
+ def get_mapping_by_value(self, value):
+ if value < 0:
+ ret, index = _bt_ctf_field_type_enumeration_get_mapping_index_by_value(self._ft, value);
+ else:
+ ret, index = _bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(self._ft, value);
+
+ if ret < 0:
+ return None
+
+ if self.container.signed:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping(self._ft, index)
+ else:
+ ret = _bt_python_ctf_field_type_enumeration_get_mapping_unsigned(self._ft, index)
+
+ if len(ret) != 3:
+ raise TypeError("Could not get Enumeration mapping at index {}".format(i))
+ name, range_start, range_end = ret
+ return CTFWriter.EnumerationMapping(name, range_start, range_end)
+
+ class FloatFieldDeclaration(FieldDeclaration):
+ FLT_EXP_DIG = 8
+ DBL_EXP_DIG = 11
+ FLT_MANT_DIG = 24
+ DBL_MANT_DIG = 53
+
+ """
+ Create a new floating point field declaration.
+ """
+ def __init__(self):
+ self._ft = _bt_ctf_field_type_floating_point_create()
+ super().__init__()
+
+ """
+ Get the number of exponent digits used to store the floating point field.
+ """
+ @property
+ def exponent_digits(self):
+ ret = _bt_ctf_field_type_floating_point_get_exponent_digits(self._ft)
+ if ret < 0:
+ raise TypeError("Could not get Floating point exponent digit count")
+ return ret
+
+ """
+ Set the number of exponent digits to use to store the floating point field.
+ The only values currently supported are FLT_EXP_DIG and DBL_EXP_DIG which
+ are defined as constants of this class.
+ """
+ @exponent_digits.setter
+ def exponent_digits(self, exponent_digits):
+ ret = _bt_ctf_field_type_floating_point_set_exponent_digits(self._ft, exponent_digits)
+ if ret < 0:
+ raise ValueError("Could not set exponent digit count.")
+
+ """
+ Get the number of mantissa digits used to store the floating point field.
+ """
+ @property
+ def mantissa_digits(self):
+ ret = _bt_ctf_field_type_floating_point_get_mantissa_digits(self._ft)
+ if ret < 0:
+ raise TypeError("Could not get Floating point mantissa digit count")
+ return ret
+
+ """
+ Set the number of mantissa digits to use to store the floating point field.
+ The only values currently supported are FLT_MANT_DIG and DBL_MANT_DIG which
+ are defined as constants of this class.
+ """
+ @mantissa_digits.setter
+ def mantissa_digits(self, mantissa_digits):
+ ret = _bt_ctf_field_type_floating_point_set_mantissa_digits(self._ft, mantissa_digits)
+ if ret < 0:
+ raise ValueError("Could not set mantissa digit count.")
+
+ class StructureFieldDeclaration(FieldDeclaration):
+ """
+ Create a new structure field declaration.
+ """
+ def __init__(self):
+ self._ft = _bt_ctf_field_type_structure_create()
+ super().__init__()
+
+ """
+ Add a field of type "field_type" to the structure.
+ """
+ def add_field(self, field_type, field_name):
+ ret = _bt_ctf_field_type_structure_add_field(self._ft, field_type._ft, str(field_name))
+ if ret < 0:
+ raise ValueError("Could not add field to structure.")
+
+ """
+ Generator returning the structure's field as tuples of (field name, field declaration).
+ """
+ @property
+ def fields(self):
+ count = _bt_ctf_field_type_structure_get_field_count(self._ft)
+ if count < 0:
+ raise TypeError("Could not get Structure field count")
+
+ for i in range(count):
+ field_name = _bt_python_ctf_field_type_structure_get_field_name(self._ft, i)
+ if field_name is None:
+ raise TypeError("Could not get Structure field name at index {}".format(i))
+
+ field_type_native = _bt_python_ctf_field_type_structure_get_field_type(self._ft, i)
+ if field_type_native is None:
+ raise TypeError("Could not get Structure field type at index {}".format(i))
+
+ field_type = CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+ yield (field_name, field_type)
+
+ """
+ Get a field declaration by name (FieldDeclaration).
+ """
+ def get_field_by_name(self, name):
+ field_type_native = _bt_ctf_field_type_structure_get_field_type_by_name(self._ft, name)
+ if field_type_native is None:
+ raise TypeError("Could not find Structure field with name {}".format(name))
+
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+
+ class VariantFieldDeclaration(FieldDeclaration):
+ """
+ Create a new variant field declaration.
+ """
+ def __init__(self, enum_tag, tag_name):
+ if enum_tag is None or not isinstance(enum_tag, CTFWriter.EnumerationFieldDeclaration):
+ raise TypeError("Invalid tag type; must be of type EnumerationFieldDeclaration.")
+
+ self._ft = _bt_ctf_field_type_variant_create(enum_tag._ft, str(tag_name))
+ super().__init__()
+
+ """
+ Get the variant's tag name.
+ """
+ @property
+ def tag_name(self):
+ ret = _bt_ctf_field_type_variant_get_tag_name(self._ft)
+ if ret is None:
+ raise TypeError("Could not get Variant tag name")
+ return ret
+
+ """
+ Get the variant's tag type.
+ """
+ @property
+ def tag_type(self):
+ ret = _bt_ctf_field_type_variant_get_tag_type(self._ft)
+ if ret is None:
+ raise TypeError("Could not get Variant tag type")
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(ret)
+
+ """
+ Add a field of type "field_type" to the variant.
+ """
+ def add_field(self, field_type, field_name):
+ ret = _bt_ctf_field_type_variant_add_field(self._ft, field_type._ft, str(field_name))
+ if ret < 0:
+ raise ValueError("Could not add field to variant.")
+
+ """
+ Generator returning the variant's field as tuples of (field name, field declaration).
+ """
+ @property
+ def fields(self):
+ count = _bt_ctf_field_type_variant_get_field_count(self._ft)
+ if count < 0:
+ raise TypeError("Could not get Variant field count")
+
+ for i in range(count):
+ field_name = _bt_python_ctf_field_type_variant_get_field_name(self._ft, i)
+ if field_name is None:
+ raise TypeError("Could not get Variant field name at index {}".format(i))
+
+ field_type_native = _bt_python_ctf_field_type_variant_get_field_type(self._ft, i)
+ if field_type_native is None:
+ raise TypeError("Could not get Variant field type at index {}".format(i))
+
+ field_type = CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+ yield (field_name, field_type)
+
+ """
+ Get a field declaration by name (FieldDeclaration).
+ """
+ def get_field_by_name(self, name):
+ field_type_native = _bt_ctf_field_type_variant_get_field_type_by_name(self._ft, name)
+ if field_type_native is None:
+ raise TypeError("Could not find Variant field with name {}".format(name))
+
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+
+ """
+ Get a field declaration from tag (EnumerationField).
+ """
+ def get_field_from_tag(self, tag):
+ field_type_native = _bt_ctf_field_type_variant_get_field_type_from_tag(self._ft, tag._f)
+ if field_type_native is None:
+ raise TypeError("Could not find Variant field with tag value {}".format(tag.value))
+
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+
+ class ArrayFieldDeclaration(FieldDeclaration):
+ """
+ Create a new array field declaration.
+ """
+ def __init__(self, element_type, length):
+ self._ft = _bt_ctf_field_type_array_create(element_type._ft, length)
+ super().__init__()
+
+ """
+ Get the array's element type.
+ """
+ @property
+ def element_type(self):
+ ret = _bt_ctf_field_type_array_get_element_type(self._ft)
+ if ret is None:
+ raise TypeError("Could not get Array element type")
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(ret)
+
+ """
+ Get the array's length.
+ """
+ @property
+ def length(self):
+ ret = _bt_ctf_field_type_array_get_length(self._ft)
+ if ret < 0:
+ raise TypeError("Could not get Array length")
+ return ret
+
+ class SequenceFieldDeclaration(FieldDeclaration):
+ """
+ Create a new sequence field declaration.
+ """
+ def __init__(self, element_type, length_field_name):
+ self._ft = _bt_ctf_field_type_sequence_create(element_type._ft, str(length_field_name))
+ super().__init__()
+
+ """
+ Get the sequence's element type.
+ """
+ @property
+ def element_type(self):
+ ret = _bt_ctf_field_type_sequence_get_element_type(self._ft)
+ if ret is None:
+ raise TypeError("Could not get Sequence element type")
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(ret)
+
+ """
+ Get the sequence's length field name.
+ """
+ @property
+ def length_field_name(self):
+ ret = _bt_ctf_field_type_sequence_get_length_field_name(self._ft)
+ if ret is None:
+ raise TypeError("Could not get Sequence length field name")
+ return ret
+
+ class StringFieldDeclaration(FieldDeclaration):
+ """
+ Create a new string field declaration.
+ """
+ def __init__(self):
+ self._ft = _bt_ctf_field_type_string_create()
+ super().__init__()
+
+ """
+ Get a string declaration's encoding (a constant from the CTFStringEncoding class).
+ """
+ @property
+ def encoding(self):
+ return _bt_ctf_field_type_string_get_encoding(self._ft)
+
+ """
+ Set a string declaration's encoding. Must be a constant from the CTFStringEncoding class.
+ """
+ @encoding.setter
+ def encoding(self, encoding):
+ ret = _bt_ctf_field_type_string_set_encoding(self._ft, encoding)
+ if ret < 0:
+ raise ValueError("Could not set string encoding.")
+
+ """
+ Create an instance of a field.
+ """
+ @staticmethod
+ def create_field(field_type):
+ if field_type is None or not isinstance(field_type, CTFWriter.FieldDeclaration):
+ raise TypeError("Invalid field_type. Type must be a FieldDeclaration-derived class.")
+
+ if isinstance(field_type, CTFWriter.IntegerFieldDeclaration):
+ return CTFWriter.IntegerField(field_type)
+ elif isinstance(field_type, CTFWriter.EnumerationFieldDeclaration):
+ return CTFWriter.EnumerationField(field_type)
+ elif isinstance(field_type, CTFWriter.FloatFieldDeclaration):
+ return CTFWriter.FloatFieldingPoint(field_type)
+ elif isinstance(field_type, CTFWriter.StructureFieldDeclaration):
+ return CTFWriter.StructureField(field_type)
+ elif isinstance(field_type, CTFWriter.VariantFieldDeclaration):
+ return CTFWriter.VariantField(field_type)
+ elif isinstance(field_type, CTFWriter.ArrayFieldDeclaration):
+ return CTFWriter.ArrayField(field_type)
+ elif isinstance(field_type, CTFWriter.SequenceFieldDeclaration):
+ return CTFWriter.SequenceField(field_type)
+ elif isinstance(field_type, CTFWriter.StringFieldDeclaration):
+ return CTFWriter.StringField(field_type)
+
+ class Field:
+ """
+ Base class, do not instantiate.
+ """
+ def __init__(self, field_type):
+ if not isinstance(field_type, CTFWriter.FieldDeclaration):
+ raise TypeError("Invalid field_type argument.")
+
+ self._f = _bt_ctf_field_create(field_type._ft)
+ if self._f is None:
+ raise ValueError("Field creation failed.")
+
+ def __del__(self):
+ _bt_ctf_field_put(self._f)
+
+ @staticmethod
+ def _create_field_from_native_instance(native_field_instance):
+ type_dict = {
+ CTFTypeId.INTEGER : CTFWriter.IntegerField,
+ CTFTypeId.FLOAT : CTFWriter.FloatFieldingPoint,
+ CTFTypeId.ENUM : CTFWriter.EnumerationField,
+ CTFTypeId.STRING : CTFWriter.StringField,
+ CTFTypeId.STRUCT : CTFWriter.StructureField,
+ CTFTypeId.VARIANT : CTFWriter.VariantField,
+ CTFTypeId.ARRAY : CTFWriter.ArrayField,
+ CTFTypeId.SEQUENCE : CTFWriter.SequenceField
+ }
+
+ field_type = _bt_python_get_field_type(native_field_instance)
+ if field_type == CTFTypeId.UNKNOWN:
+ raise TypeError("Invalid field instance")
+
+ field = CTFWriter.Field.__new__(CTFWriter.Field)
+ field._f = native_field_instance
+ field.__class__ = type_dict[field_type]
+ return field
+
+ @property
+ def declaration(self):
+ native_field_type = _bt_ctf_field_get_type(self._f)
+ if native_field_type is None:
+ raise TypeError("Invalid field instance")
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(native_field_type)
+
+ class IntegerField(Field):
+ """
+ Get an integer field's value.
+ """
+ @property
+ def value(self):
+ signedness = _bt_python_field_integer_get_signedness(self._f)
+ if signedness < 0:
+ raise TypeError("Invalid integer instance.")
+
+ if signedness == 0:
+ ret, value = _bt_ctf_field_unsigned_integer_get_value(self._f)
+ else:
+ ret, value = _bt_ctf_field_signed_integer_get_value(self._f)
+
+ if ret < 0:
+ raise ValueError("Could not get integer field value.")
+ return value
+
+ """
+ Set an integer field's value.
+ """
+ @value.setter
+ def value(self, value):
+ if not isinstance(value, int):
+ raise TypeError("IntegerField's value must be an int")
+
+ signedness = _bt_python_field_integer_get_signedness(self._f)
+ if signedness < 0:
+ raise TypeError("Invalid integer instance.")
+
+ if signedness == 0:
+ ret = _bt_ctf_field_unsigned_integer_set_value(self._f, value)
+ else:
+ ret = _bt_ctf_field_signed_integer_set_value(self._f, value)
+
+ if ret < 0:
+ raise ValueError("Could not set integer field value.")
+
+ class EnumerationField(Field):
+ """
+ Return the enumeration's underlying container field (an integer field).
+ """
+ @property
+ def container(self):
+ container = CTFWriter.IntegerField.__new__(CTFWriter.IntegerField)
+ container._f = _bt_ctf_field_enumeration_get_container(self._f)
+ if container._f is None:
+ raise TypeError("Invalid enumeration field type.")
+ return container
+
+ """
+ Get the enumeration field's mapping name.
+ """
+ @property
+ def value(self):
+ value = _bt_ctf_field_enumeration_get_mapping_name(self._f)
+ if value is None:
+ raise ValueError("Could not get enumeration's mapping name.")
+ return value
+
+ """
+ Set the enumeration field's value. Must be an integer as mapping names
+ may be ambiguous.
+ """
+ @value.setter
+ def value(self, value):
+ if not isinstance(value, int):
+ raise TypeError("EnumerationField value must be an int")
+ self.container.value = value
+
+ class FloatFieldingPoint(Field):
+ """
+ Get a floating point field's value.
+ """
+ @property
+ def value(self):
+ ret, value = _bt_ctf_field_floating_point_get_value(self._f)
+ if ret < 0:
+ raise ValueError("Could not get floating point field value.")
+ return value
+
+ """
+ Set a floating point field's value.
+ """
+ @value.setter
+ def value(self, value):
+ if not isinstance(value, int) and not isinstance(value, float):
+ raise TypeError("Value must be either a float or an int")
+
+ ret = _bt_ctf_field_floating_point_set_value(self._f, float(value))
+ if ret < 0:
+ raise ValueError("Could not set floating point field value.")
+
+ class StructureField(Field):
+ """
+ Get the structure's field corresponding to the provided field name.
+ """
+ def field(self, field_name):
+ native_instance = _bt_ctf_field_structure_get_field(self._f, str(field_name))
+ if native_instance is None:
+ raise ValueError("Invalid field_name provided.")
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ class VariantField(Field):
+ """
+ Return the variant's selected field. The "tag" field is the selector enum field.
+ """
+ def field(self, tag):
+ native_instance = _bt_ctf_field_variant_get_field(self._f, tag._f)
+ if native_instance is None:
+ raise ValueError("Invalid tag provided.")
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ class ArrayField(Field):
+ """
+ Return the array's field at position "index".
+ """
+ def field(self, index):
+ native_instance = _bt_ctf_field_array_get_field(self._f, index)
+ if native_instance is None:
+ raise IndexError("Invalid index provided.")
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ class SequenceField(Field):
+ """
+ Get the sequence's length field (IntegerField).
+ """
+ @property
+ def length(self):
+ native_instance = _bt_ctf_field_sequence_get_length(self._f)
+ if native_instance is None:
+ length = -1
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ """
+ Set the sequence's length field (IntegerField).
+ """
+ @length.setter
+ def length(self, length_field):
+ if not isinstance(length_field, CTFWriter.IntegerField):
+ raise TypeError("Invalid length field.")
+ if length_field.declaration.signed:
+ raise TypeError("Sequence field length must be unsigned")
+ ret = _bt_ctf_field_sequence_set_length(self._f, length_field._f)
+ if ret < 0:
+ raise ValueError("Could not set sequence length.")
+
+ """
+ Return the sequence's field at position "index".
+ """
+ def field(self, index):
+ native_instance = _bt_ctf_field_sequence_get_field(self._f, index)
+ if native_instance is None:
+ raise ValueError("Could not get sequence element at index.")
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ class StringField(Field):
+ """
+ Get a string field's value.
+ """
+ @property
+ def value(self):
+ return _bt_ctf_field_string_get_value(self._f)
+
+ """
+ Set a string field's value.
+ """
+ @value.setter
+ def value(self, value):
+ ret = _bt_ctf_field_string_set_value(self._f, str(value))
+ if ret < 0:
+ raise ValueError("Could not set string field value.")
+
+ class EventClass:
+ """
+ Create a new event class of the given name.
+ """
+ def __init__(self, name):
+ self._ec = _bt_ctf_event_class_create(name)
+ if self._ec is None:
+ raise ValueError("Event class creation failed.")
+
+ def __del__(self):
+ _bt_ctf_event_class_put(self._ec)
+
+ """
+ Add a field of type "field_type" to the event class.
+ """
+ def add_field(self, field_type, field_name):
+ ret = _bt_ctf_event_class_add_field(self._ec, field_type._ft, str(field_name))
+ if ret < 0:
+ raise ValueError("Could not add field to event class.")
+
+ """
+ Get the event class' name.
+ """
+ @property
+ def name(self):
+ name = _bt_ctf_event_class_get_name(self._ec)
+ if name is None:
+ raise TypeError("Could not get EventClass name")
+ return name
+
+ """
+ Get the event class' id. Returns a negative value if unset.
+ """
+ @property
+ def id(self):
+ id = _bt_ctf_event_class_get_id(self._ec)
+ if id < 0:
+ raise TypeError("Could not get EventClass id")
+ return id
+
+ """
+ Set the event class' id. Throws a TypeError if the event class
+ is already registered to a stream class.
+ """
+ @id.setter
+ def id(self, id):
+ ret = _bt_ctf_event_class_set_id(self._ec, id)
+ if ret < 0:
+ raise TypeError("Can't change an Event Class's id after it has been assigned to a stream class")
+
+ """
+ Get the event class' stream class. Returns None if unset.
+ """
+ @property
+ def stream_class(self):
+ stream_class_native = _bt_ctf_event_class_get_stream_class(self._ec)
+ if stream_class_native is None:
+ return None
+ stream_class = CTFWriter.StreamClass.__new__(CTFWriter.StreamClass)
+ stream_class._sc = stream_class_native
+ return stream_class
+
+ """
+ Generator returning the event class' fields as tuples of (field name, field declaration).
+ """
+ @property
+ def fields(self):
+ count = _bt_ctf_event_class_get_field_count(self._ec)
+ if count < 0:
+ raise TypeError("Could not get EventClass' field count")
+
+ for i in range(count):
+ field_name = _bt_python_ctf_event_class_get_field_name(self._ec, i)
+ if field_name is None:
+ raise TypeError("Could not get EventClass' field name at index {}".format(i))
+
+ field_type_native = _bt_python_ctf_event_class_get_field_type(self._ec, i)
+ if field_type_native is None:
+ raise TypeError("Could not get EventClass' field type at index {}".format(i))
+
+ field_type = CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+ yield (field_name, field_type)
+
+ """
+ Get a field declaration by name (FieldDeclaration).
+ """
+ def get_field_by_name(self, name):
+ field_type_native = _bt_ctf_event_class_get_field_by_name(self._ec, name)
+ if field_type_native is None:
+ raise TypeError("Could not find EventClass field with name {}".format(name))
+ return CTFWriter.FieldDeclaration._create_field_declaration_from_native_instance(field_type_native)
+
+ class Event:
+ """
+ Create a new event of the given event class.
+ """
+ def __init__(self, event_class):
+ if not isinstance(event_class, CTFWriter.EventClass):
+ raise TypeError("Invalid event_class argument.")
+
+ self._e = _bt_ctf_event_create(event_class._ec)
+ if self._e is None:
+ raise ValueError("Event creation failed.")
+
+ def __del__(self):
+ _bt_ctf_event_put(self._e)
+
+ """
+ Get the event's class.
+ """
+ @property
+ def event_class(self):
+ event_class_native = _bt_ctf_event_get_class(self._e)
+ if event_class_native is None:
+ return None
+ event_class = CTFWriter.EventClass.__new__(CTFWriter.EventClass)
+ event_class._ec = event_class_native
+ return event_class
+
+ """
+ Get a clock from event. Returns None if the event's class
+ is not registered to a stream class.
+ """
+ def clock(self):
+ clock_instance = _bt_ctf_event_get_clock(self._e)
+ if clock_instance is None:
+ return None
+ clock = CTFWriter.Clock.__new__(CTFWriter.Clock)
+ clock._c = clock_instance
+ return clock
+
+ """
+ Get a field from event.
+ """
+ def payload(self, field_name):
+ native_instance = _bt_ctf_event_get_payload(self._e, str(field_name))
+ if native_instance is None:
+ raise ValueError("Could not get event payload.")
+ return CTFWriter.Field._create_field_from_native_instance(native_instance)
+
+ """
+ Set a manually created field as an event's payload.
+ """
+ def set_payload(self, field_name, value_field):
+ if not isinstance(value, CTFWriter.Field):
+ raise TypeError("Invalid value type.")
+ ret = _bt_ctf_event_set_payload(self._e, str(field_name), value_field._f)
+ if ret < 0:
+ raise ValueError("Could not set event field payload.")
+
+ class StreamClass:
+ """
+ Create a new stream class of the given name.
+ """
+ def __init__(self, name):
+ self._sc = _bt_ctf_stream_class_create(name)
+ if self._sc is None:
+ raise ValueError("Stream class creation failed.")
+
+ def __del__(self):
+ _bt_ctf_stream_class_put(self._sc)
+
+ """
+ Get a stream class' name.
+ """
+ @property
+ def name(self):
+ name = _bt_ctf_stream_class_get_name(self._sc)
+ if name is None:
+ raise TypeError("Could not get StreamClass name")
+ return name
+
+ """
+ Get a stream class' clock.
+ """
+ @property
+ def clock(self):
+ clock_instance = _bt_ctf_stream_class_get_clock(self._sc)
+ if clock_instance is None:
+ return None
+ clock = CTFWriter.Clock.__new__(CTFWriter.Clock)
+ clock._c = clock_instance
+ return clock
+
+ """
+ Assign a clock to a stream class.
+ """
+ @clock.setter
+ def clock(self, clock):
+ if not isinstance(clock, CTFWriter.Clock):
+ raise TypeError("Invalid clock type.")
+
+ ret = _bt_ctf_stream_class_set_clock(self._sc, clock._c)
+ if ret < 0:
+ raise ValueError("Could not set stream class clock.")
+
+ """
+ Get a stream class' id.
+ """
+ @property
+ def id(self):
+ ret = _bt_ctf_stream_class_get_id(self._sc)
+ if ret < 0:
+ raise TypeError("Could not get StreamClass id")
+ return ret
+
+ """
+ Assign an id to a stream class.
+ """
+ @id.setter
+ def id(self, id):
+ ret = _bt_ctf_stream_class_set_id(self._sc, id)
+ if ret < 0:
+ raise TypeError("Could not set stream class id.")
+
+ """
+ Generator returning the stream class' event classes.
+ """
+ @property
+ def event_classes(self):
+ count = _bt_ctf_stream_class_get_event_class_count(self._sc)
+ if count < 0:
+ raise TypeError("Could not get StreamClass' event class count")
+
+ for i in range(count):
+ event_class_native = _bt_ctf_stream_class_get_event_class(self._sc, i)
+ if event_class_native is None:
+ raise TypeError("Could not get StreamClass' event class at index {}".format(i))
+
+ event_class = CTFWriter.EventClass.__new__(CTFWriter.EventClass)
+ event_class._ec = event_class_native
+ yield event_class
+
+ """
+ Add an event class to a stream class. New events can be added even after a
+ stream has been instantiated and events have been appended. However, a stream
+ will not accept events of a class that has not been registered beforehand.
+ """
+ def add_event_class(self, event_class):
+ if not isinstance(event_class, CTFWriter.EventClass):
+ raise TypeError("Invalid event_class type.")
+
+ ret = _bt_ctf_stream_class_add_event_class(self._sc, event_class._ec)
+ if ret < 0:
+ raise ValueError("Could not add event class.")
+
+ class Stream:
+ """
+ Create a stream of the given class.
+ """
+ def __init__(self, stream_class):
+ if not isinstance(stream_class, CTFWriter.StreamClass):
+ raise TypeError("Invalid stream_class type.")
+
+ self._s = _bt_ctf_stream_create(stream_class._sc)
+ if self._s is None:
+ raise ValueError("Stream creation failed.")
+
+ def __del__(self):
+ _bt_ctf_stream_put(self._s)
+
+ """
+ Get a stream's discarded event count.
+ """
+ @property
+ def discarded_events(self):
+ ret, count = _bt_ctf_stream_get_discarded_events_count(self._s)
+ if ret < 0:
+ raise ValueError("Could not get the stream's discarded events count")
+ return count
+
+ """
+ Increase the current packet's discarded event count.
+ """
+ def append_discarded_events(self, event_count):
+ _bt_ctf_stream_append_discarded_events(self._s, event_count)
+
+ """
+ Append "event" to the stream's current packet. The stream's associated clock
+ will be sampled during this call. The event shall not be modified after
+ being appended to a stream.
+ """
+ def append_event(self, event):
+ ret = _bt_ctf_stream_append_event(self._s, event._e)
+ if ret < 0:
+ raise ValueError("Could not append event to stream.")
+
+ """
+ The stream's current packet's events will be flushed to disk. Events
+ subsequently appended to the stream will be added to a new packet.
+ """
+ def flush(self):
+ ret = _bt_ctf_stream_flush(self._s)
+ if ret < 0:
+ raise ValueError("Could not flush stream.")
+
+ class Writer:
+ """
+ Create a new writer that will produce a trace in the given path.
+ """
+ def __init__(self, path):
+ self._w = _bt_ctf_writer_create(path)
+ if self._w is None:
+ raise ValueError("Writer creation failed.")
+
+ def __del__(self):
+ _bt_ctf_writer_put(self._w)
+
+ """
+ Create a new stream instance and register it to the writer.
+ """
+ def create_stream(self, stream_class):
+ if not isinstance(stream_class, CTFWriter.StreamClass):
+ raise TypeError("Invalid stream_class type.")
+
+ stream = CTFWriter.Stream.__new__(CTFWriter.Stream)
+ stream._s = _bt_ctf_writer_create_stream(self._w, stream_class._sc)
+ return stream
+
+ """
+ Add an environment field to the trace.
+ """
+ def add_environment_field(self, name, value):
+ ret = _bt_ctf_writer_add_environment_field(self._w, str(name), str(value))
+ if ret < 0:
+ raise ValueError("Could not add environment field to trace.")
+
+ """
+ Add a clock to the trace. Clocks assigned to stream classes must be
+ registered to the writer.
+ """
+ def add_clock(self, clock):
+ ret = _bt_ctf_writer_add_clock(self._w, clock._c)
+ if ret < 0:
+ raise ValueError("Could not add clock to Writer.")
+
+ """
+ Get the trace's TSDL meta-data.
+ """
+ @property
+ def metadata(self):
+ return _bt_ctf_writer_get_metadata_string(self._w)
+
+ """
+ Flush the trace's metadata to the metadata file.
+ """
+ def flush_metadata(self):
+ _bt_ctf_writer_flush_metadata(self._w)
+
+ """
+ Get the trace's byte order. Must be a constant from the ByteOrder
+ class.
+ """
+ @property
+ def byte_order(self):
+ raise NotImplementedError("Getter not implemented.")
+
+ """
+ Set the trace's byte order. Must be a constant from the ByteOrder
+ class. Defaults to BYTE_ORDER_NATIVE, the host machine's endianness.
+ """
+ @byte_order.setter
+ def byte_order(self, byte_order):
+ ret = _bt_ctf_writer_set_byte_order(self._w, byte_order)
+ if ret < 0:
+ raise ValueError("Could not set trace's byte order.")