+++ /dev/null
-# The MIT License (MIT)
-#
-# Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-from bt2 import native_bt, object, utils
-import bt2.field_types
-import collections.abc
-import bt2.ctf_writer
-import bt2.stream
-import copy
-import bt2
-
-
-class _EventClassIterator(collections.abc.Iterator):
- def __init__(self, stream_class):
- self._stream_class = stream_class
- self._at = 0
-
- def __next__(self):
- if self._at == len(self._stream_class):
- raise StopIteration
-
- ec_ptr = native_bt.ctf_stream_class_get_event_class_by_index(self._stream_class._ptr,
- self._at)
- assert(ec_ptr)
- ev_id = native_bt.ctf_event_class_get_id(ec_ptr)
- native_bt.put(ec_ptr)
- utils._handle_ret(ev_id, "cannot get event class object's ID")
- self._at += 1
- return ev_id
-
-
-class StreamClass(object._Object, collections.abc.Mapping):
- def __init__(self, name=None, id=None, packet_context_field_type=None,
- event_header_field_type=None, event_context_field_type=None,
- event_classes=None):
- ptr = native_bt.ctf_stream_class_create_empty(None)
-
- if ptr is None:
- raise bt2.CreationError('cannot create stream class object')
-
- super().__init__(ptr)
-
- if name is not None:
- self.name = name
-
- if id is not None:
- self.id = id
-
- if packet_context_field_type is not None:
- self.packet_context_field_type = packet_context_field_type
-
- if event_header_field_type is not None:
- self.event_header_field_type = event_header_field_type
-
- if event_context_field_type is not None:
- self.event_context_field_type = event_context_field_type
-
- if event_classes is not None:
- for event_class in event_classes:
- self.add_event_class(event_class)
-
- def __getitem__(self, key):
- utils._check_int64(key)
- ec_ptr = native_bt.ctf_stream_class_get_event_class_by_id(self._ptr,
- key)
-
- if ec_ptr is None:
- raise KeyError(key)
-
- return bt2.EventClass._create_from_ptr(ec_ptr)
-
- def __len__(self):
- count = native_bt.ctf_stream_class_get_event_class_count(self._ptr)
- assert(count >= 0)
- return count
-
- def __iter__(self):
- return _EventClassIterator(self)
-
- def add_event_class(self, event_class):
- utils._check_type(event_class, bt2.EventClass)
- ret = native_bt.ctf_stream_class_add_event_class(self._ptr, event_class._ptr)
- utils._handle_ret(ret, "cannot add event class object to stream class object's")
-
- @property
- def trace(self):
- tc_ptr = native_bt.ctf_stream_class_get_trace(self._ptr)
-
- if tc_ptr is not None:
- return bt2.Trace._create_from_ptr(tc_ptr)
-
- @property
- def name(self):
- return native_bt.ctf_stream_class_get_name(self._ptr)
-
- @name.setter
- def name(self, name):
- utils._check_str(name)
- ret = native_bt.ctf_stream_class_set_name(self._ptr, name)
- utils._handle_ret(ret, "cannot set stream class object's name")
-
- @property
- def id(self):
- id = native_bt.ctf_stream_class_get_id(self._ptr)
-
- if id < 0:
- return
-
- return id
-
- @id.setter
- def id(self, id):
- utils._check_int64(id)
- ret = native_bt.ctf_stream_class_set_id(self._ptr, id)
- utils._handle_ret(ret, "cannot set stream class object's ID")
-
- @property
- def clock(self):
- clock_ptr = native_bt.ctf_stream_class_get_clock(self._ptr)
-
- if clock_ptr is None:
- return
-
- return bt2.ctf_writer.CtfWriterClock._create_from_ptr(clock_ptr)
-
- @clock.setter
- def clock(self, clock):
- utils._check_type(clock, bt2.ctf_writer.CtfWriterClock)
- ret = native_bt.ctf_stream_class_set_clock(self._ptr, clock._ptr)
- utils._handle_ret(ret, "cannot set stream class object's CTF writer clock object")
-
- @property
- def packet_context_field_type(self):
- ft_ptr = native_bt.ctf_stream_class_get_packet_context_type(self._ptr)
-
- if ft_ptr is None:
- return
-
- return bt2.field_types._create_from_ptr(ft_ptr)
-
- @packet_context_field_type.setter
- def packet_context_field_type(self, packet_context_field_type):
- packet_context_field_type_ptr = None
-
- if packet_context_field_type is not None:
- utils._check_type(packet_context_field_type, bt2.field_types._FieldType)
- packet_context_field_type_ptr = packet_context_field_type._ptr
-
- ret = native_bt.ctf_stream_class_set_packet_context_type(self._ptr,
- packet_context_field_type_ptr)
- utils._handle_ret(ret, "cannot set stream class object's packet context field type")
-
- @property
- def event_header_field_type(self):
- ft_ptr = native_bt.ctf_stream_class_get_event_header_type(self._ptr)
-
- if ft_ptr is None:
- return
-
- return bt2.field_types._create_from_ptr(ft_ptr)
-
- @event_header_field_type.setter
- def event_header_field_type(self, event_header_field_type):
- event_header_field_type_ptr = None
-
- if event_header_field_type is not None:
- utils._check_type(event_header_field_type, bt2.field_types._FieldType)
- event_header_field_type_ptr = event_header_field_type._ptr
-
- ret = native_bt.ctf_stream_class_set_event_header_type(self._ptr,
- event_header_field_type_ptr)
- utils._handle_ret(ret, "cannot set stream class object's event header field type")
-
- @property
- def event_context_field_type(self):
- ft_ptr = native_bt.ctf_stream_class_get_event_context_type(self._ptr)
-
- if ft_ptr is None:
- return
-
- return bt2.field_types._create_from_ptr(ft_ptr)
-
- @event_context_field_type.setter
- def event_context_field_type(self, event_context_field_type):
- event_context_field_type_ptr = None
-
- if event_context_field_type is not None:
- utils._check_type(event_context_field_type, bt2.field_types._FieldType)
- event_context_field_type_ptr = event_context_field_type._ptr
-
- ret = native_bt.ctf_stream_class_set_event_context_type(self._ptr,
- event_context_field_type_ptr)
- utils._handle_ret(ret, "cannot set stream class object's event context field type")
-
- def __call__(self, name=None, id=None):
- if name is not None:
- utils._check_str(name)
-
- if id is None:
- stream_ptr = native_bt.ctf_stream_create(self._ptr, name)
- else:
- stream_ptr = native_bt.ctf_stream_create_with_id(self._ptr, name, id)
-
- if stream_ptr is None:
- raise bt2.CreationError('cannot create stream object')
-
- return bt2.stream._create_from_ptr(stream_ptr)
-
- def __eq__(self, other):
- if type(other) is not type(self):
- return False
-
- if self.addr == other.addr:
- return True
-
- self_event_classes = list(self.values())
- other_event_classes = list(other.values())
- self_props = (
- self_event_classes,
- self.name,
- self.id,
- self.packet_context_field_type,
- self.event_header_field_type,
- self.event_context_field_type,
- self.clock,
- )
- other_props = (
- other_event_classes,
- other.name,
- other.id,
- other.packet_context_field_type,
- other.event_header_field_type,
- other.event_context_field_type,
- other.clock,
- )
-
- return self_props == other_props
-
- def _copy(self, ft_copy_func, ev_copy_func):
- cpy = StreamClass()
-
- if self.id is not None:
- cpy.id = self.id
-
- if self.name is not None:
- cpy.name = self.name
-
- if self.clock is not None:
- cpy.clock = self.clock
-
- cpy.packet_context_field_type = ft_copy_func(self.packet_context_field_type)
- cpy.event_header_field_type = ft_copy_func(self.event_header_field_type)
- cpy.event_context_field_type = ft_copy_func(self.event_context_field_type)
-
- for event_class in self.values():
- cpy.add_event_class(ev_copy_func(event_class))
-
- return cpy
-
- def __copy__(self):
- return self._copy(lambda ft: ft, copy.copy)
-
- def __deepcopy__(self, memo):
- cpy = self._copy(copy.deepcopy, copy.deepcopy)
- memo[id(self)] = cpy
- return cpy
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