| 1 | # SPDX-License-Identifier: MIT |
| 2 | # |
| 3 | # Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com> |
| 4 | |
| 5 | from bt2 import native_bt, object |
| 6 | from bt2 import field as bt2_field |
| 7 | |
| 8 | |
| 9 | def _bt2_stream(): |
| 10 | from bt2 import stream as bt2_stream |
| 11 | |
| 12 | return bt2_stream |
| 13 | |
| 14 | |
| 15 | class _PacketConst(object._SharedObject): |
| 16 | _get_ref = staticmethod(native_bt.packet_get_ref) |
| 17 | _put_ref = staticmethod(native_bt.packet_put_ref) |
| 18 | _borrow_stream_ptr = staticmethod(native_bt.packet_borrow_stream_const) |
| 19 | _borrow_context_field_ptr = staticmethod( |
| 20 | native_bt.packet_borrow_context_field_const |
| 21 | ) |
| 22 | _stream_pycls = property(lambda _: _bt2_stream()._StreamConst) |
| 23 | _create_field_from_ptr = staticmethod(bt2_field._create_field_from_const_ptr) |
| 24 | |
| 25 | @property |
| 26 | def stream(self): |
| 27 | stream_ptr = self._borrow_stream_ptr(self._ptr) |
| 28 | assert stream_ptr is not None |
| 29 | return self._stream_pycls._create_from_ptr_and_get_ref(stream_ptr) |
| 30 | |
| 31 | @property |
| 32 | def context_field(self): |
| 33 | field_ptr = self._borrow_context_field_ptr(self._ptr) |
| 34 | |
| 35 | if field_ptr is None: |
| 36 | return |
| 37 | |
| 38 | return self._create_field_from_ptr( |
| 39 | field_ptr, self._ptr, self._get_ref, self._put_ref |
| 40 | ) |
| 41 | |
| 42 | |
| 43 | class _Packet(_PacketConst): |
| 44 | _borrow_stream_ptr = staticmethod(native_bt.packet_borrow_stream) |
| 45 | _borrow_context_field_ptr = staticmethod(native_bt.packet_borrow_context_field) |
| 46 | _stream_pycls = property(lambda _: _bt2_stream()._Stream) |
| 47 | _create_field_from_ptr = staticmethod(bt2_field._create_field_from_ptr) |