+++ /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.clock_snapshot
-import bt2.packet
-import bt2.stream
-import bt2.event
-import bt2
-
-
-def _create_from_ptr(ptr):
- msg_type = native_bt.message_get_type(ptr)
-
- if msg_type not in _MESSAGE_TYPE_TO_CLS:
- raise bt2.Error('unknown message type: {}'.format(msg_type))
-
- return _MESSAGE_TYPE_TO_CLS[msg_type]._create_from_ptr(ptr)
-
-
-class _Message(object._SharedObject):
- _get_ref = staticmethod(native_bt.message_get_ref)
- _put_ref = staticmethod(native_bt.message_put_ref)
-
- @staticmethod
- def _check_has_default_clock_class(clock_class):
- if clock_class is None:
- raise bt2.NonexistentClockSnapshot('cannot get default clock snapshot: stream class has no default clock class')
-
-
-class _MessageWithDefaultClockSnapshot:
- def _get_default_clock_snapshot(self, borrow_clock_snapshot_ptr):
- snapshot_ptr = borrow_clock_snapshot_ptr(self._ptr)
-
- return bt2.clock_snapshot._ClockSnapshot._create_from_ptr_and_get_ref(
- snapshot_ptr, self._ptr, self._get_ref, self._put_ref)
-
-
-class _EventMessage(_Message, _MessageWithDefaultClockSnapshot):
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_event_borrow_default_clock_snapshot_const)
-
- @property
- def default_clock_snapshot(self):
- self._check_has_default_clock_class(self.event.packet.stream.cls.default_clock_class)
- return self._get_default_clock_snapshot(self._borrow_default_clock_snapshot_ptr)
-
- @property
- def event(self):
- event_ptr = native_bt.message_event_borrow_event(self._ptr)
- assert event_ptr is not None
- return bt2.event._Event._create_from_ptr_and_get_ref(
- event_ptr, self._ptr, self._get_ref, self._put_ref)
-
-
-class _PacketMessage(_Message, _MessageWithDefaultClockSnapshot):
- @property
- def default_clock_snapshot(self):
- self._check_has_default_clock_class(self.packet.stream.cls.default_clock_class)
- return self._get_default_clock_snapshot(self._borrow_default_clock_snapshot_ptr)
-
- @property
- def packet(self):
- packet_ptr = self._borrow_packet_ptr(self._ptr)
- assert packet_ptr is not None
- return bt2.packet._Packet._create_from_ptr_and_get_ref(packet_ptr)
-
-
-class _PacketBeginningMessage(_PacketMessage):
- _borrow_packet_ptr = staticmethod(native_bt.message_packet_beginning_borrow_packet)
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_packet_beginning_borrow_default_clock_snapshot_const)
-
-
-class _PacketEndMessage(_PacketMessage):
- _borrow_packet_ptr = staticmethod(native_bt.message_packet_end_borrow_packet)
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_packet_end_borrow_default_clock_snapshot_const)
-
-
-class _StreamMessage(_Message):
- @property
- def stream(self):
- stream_ptr = self._borrow_stream_ptr(self._ptr)
- assert stream_ptr
- return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
-
-
-class _StreamBeginningMessage(_StreamMessage):
- _borrow_stream_ptr = staticmethod(native_bt.message_stream_beginning_borrow_stream)
-
-
-class _StreamEndMessage(_StreamMessage):
- _borrow_stream_ptr = staticmethod(native_bt.message_stream_end_borrow_stream)
-
-
-class _StreamActivityMessage(_Message):
- @property
- def default_clock_snapshot(self):
- self._check_has_default_clock_class(self.stream.cls.default_clock_class)
- status, snapshot_ptr = self._borrow_default_clock_snapshot_ptr(self._ptr)
-
- if status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN:
- snapshot_type = bt2.clock_snapshot._ClockSnapshot
- elif status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_UNKNOWN:
- snapshot_type = bt2.clock_snapshot._UnknownClockSnapshot
- elif status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_INFINITE:
- snapshot_type = bt2.clock_snapshot._InfiniteClockSnapshot
- else:
- raise bt2.Error('cannot borrow default clock snapshot from message')
-
- assert snapshot_ptr is not None
-
- return snapshot_type._create_from_ptr_and_get_ref(
- snapshot_ptr, self._ptr, self._get_ref, self._put_ref)
-
- def _default_clock_snapshot(self, value):
- self._set_default_clock_snapshot_ptr(self._ptr, value)
-
- _default_clock_snapshot = property(fset=_default_clock_snapshot)
-
- @property
- def stream(self):
- stream_ptr = self._borrow_stream_ptr(self._ptr)
- assert stream_ptr
- return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
-
-
-class _StreamActivityBeginningMessage(_StreamActivityMessage):
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_beginning_borrow_default_clock_snapshot_const)
- _set_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_beginning_set_default_clock_snapshot)
- _borrow_stream_ptr = staticmethod(native_bt.message_stream_activity_beginning_borrow_stream)
-
-
-class _StreamActivityEndMessage(_StreamActivityMessage):
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_end_borrow_default_clock_snapshot_const)
- _set_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_end_set_default_clock_snapshot)
- _borrow_stream_ptr = staticmethod(native_bt.message_stream_activity_end_borrow_stream)
-
-
-class _MessageIteratorInactivityMessage(_Message, _MessageWithDefaultClockSnapshot):
- _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_message_iterator_inactivity_borrow_default_clock_snapshot_const)
-
- @property
- def default_clock_snapshot(self):
- # This kind of message always has a default clock class: no
- # need to call self._check_has_default_clock_class() here.
- return self._get_default_clock_snapshot(self._borrow_default_clock_snapshot_ptr)
-
-
-class _DiscardedMessage(_Message, _MessageWithDefaultClockSnapshot):
- @property
- def stream(self):
- stream_ptr = self._borrow_stream_ptr(self._ptr)
- assert stream_ptr
- return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
-
- @property
- def count(self):
- avail, count = self._get_count(self._ptr)
- if avail is native_bt.PROPERTY_AVAILABILITY_AVAILABLE:
- return count
-
- def _set_count(self, count):
- utils._check_uint64(count)
- self._set_count(self._ptr, count)
-
- _count = property(fset=_set_count)
-
- def _check_has_default_clock_snapshots(self):
- if not self._has_default_clock_snapshots:
- raise bt2.NonexistentClockSnapshot('cannot get default clock snapshot: such a message has no clock snapshots for this stream class')
-
- @property
- def beginning_default_clock_snapshot(self):
- self._check_has_default_clock_snapshots()
- return self._get_default_clock_snapshot(self._borrow_beginning_clock_snapshot_ptr)
-
- @property
- def end_default_clock_snapshot(self):
- self._check_has_default_clock_snapshots()
- return self._get_default_clock_snapshot(self._borrow_end_clock_snapshot_ptr)
-
-
-class _DiscardedEventsMessage(_DiscardedMessage):
- _borrow_stream_ptr = staticmethod(native_bt.message_discarded_events_borrow_stream_const)
- _get_count = staticmethod(native_bt.message_discarded_events_get_count)
- _set_count = staticmethod(native_bt.message_discarded_events_set_count)
- _borrow_beginning_clock_snapshot_ptr = staticmethod(native_bt.message_discarded_events_borrow_beginning_default_clock_snapshot_const)
- _borrow_end_clock_snapshot_ptr = staticmethod(native_bt.message_discarded_events_borrow_end_default_clock_snapshot_const)
-
- @property
- def _has_default_clock_snapshots(self):
- return self.stream.cls.discarded_events_have_default_clock_snapshots
-
-
-class _DiscardedPacketsMessage(_DiscardedMessage):
- _borrow_stream_ptr = staticmethod(native_bt.message_discarded_packets_borrow_stream_const)
- _get_count = staticmethod(native_bt.message_discarded_packets_get_count)
- _set_count = staticmethod(native_bt.message_discarded_packets_set_count)
- _borrow_beginning_clock_snapshot_ptr = staticmethod(native_bt.message_discarded_packets_borrow_beginning_default_clock_snapshot_const)
- _borrow_end_clock_snapshot_ptr = staticmethod(native_bt.message_discarded_packets_borrow_end_default_clock_snapshot_const)
-
- @property
- def _has_default_clock_snapshots(self):
- return self.stream.cls.discarded_packets_have_default_clock_snapshots
-
-
-_MESSAGE_TYPE_TO_CLS = {
- native_bt.MESSAGE_TYPE_EVENT: _EventMessage,
- native_bt.MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: _MessageIteratorInactivityMessage,
- native_bt.MESSAGE_TYPE_STREAM_BEGINNING: _StreamBeginningMessage,
- native_bt.MESSAGE_TYPE_STREAM_END: _StreamEndMessage,
- native_bt.MESSAGE_TYPE_PACKET_BEGINNING: _PacketBeginningMessage,
- native_bt.MESSAGE_TYPE_PACKET_END: _PacketEndMessage,
- native_bt.MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: _StreamActivityBeginningMessage,
- native_bt.MESSAGE_TYPE_STREAM_ACTIVITY_END: _StreamActivityEndMessage,
- native_bt.MESSAGE_TYPE_DISCARDED_EVENTS: _DiscardedEventsMessage,
- native_bt.MESSAGE_TYPE_DISCARDED_PACKETS: _DiscardedPacketsMessage,
-}
projects / babeltrace.git / blobdiff