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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com> | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | ||
af4bbfc7 | 23 | from bt2 import native_bt, utils |
81447b5b PP |
24 | import bt2.packet |
25 | import bt2.event | |
81447b5b PP |
26 | import bt2 |
27 | ||
28 | ||
af4bbfc7 SM |
29 | class _Stream(bt2.object._SharedObject): |
30 | _get_ref = staticmethod(native_bt.stream_get_ref) | |
31 | _put_ref = staticmethod(native_bt.stream_put_ref) | |
81447b5b | 32 | |
81447b5b | 33 | @property |
e8ac1aae | 34 | def cls(self): |
af4bbfc7 SM |
35 | stream_class_ptr = native_bt.stream_borrow_class(self._ptr) |
36 | assert stream_class_ptr is not None | |
cfbd7cf3 FD |
37 | return bt2.stream_class._StreamClass._create_from_ptr_and_get_ref( |
38 | stream_class_ptr | |
39 | ) | |
81447b5b PP |
40 | |
41 | @property | |
42 | def name(self): | |
50842bdc | 43 | return native_bt.stream_get_name(self._ptr) |
81447b5b | 44 | |
af4bbfc7 SM |
45 | def _name(self, name): |
46 | utils._check_str(name) | |
47 | native_bt.stream_set_name(self._ptr, name) | |
48 | ||
49 | _name = property(fset=_name) | |
50 | ||
811644b8 PP |
51 | @property |
52 | def id(self): | |
50842bdc | 53 | id = native_bt.stream_get_id(self._ptr) |
811644b8 PP |
54 | return id if id >= 0 else None |
55 | ||
81447b5b | 56 | def create_packet(self): |
26fc5aed | 57 | if not self.cls.supports_packets: |
cfbd7cf3 FD |
58 | raise bt2.Error( |
59 | 'cannot create packet: stream class does not support packets' | |
60 | ) | |
26fc5aed | 61 | |
50842bdc | 62 | packet_ptr = native_bt.packet_create(self._ptr) |
81447b5b PP |
63 | |
64 | if packet_ptr is None: | |
65 | raise bt2.CreationError('cannot create packet object') | |
66 | ||
67 | return bt2.packet._Packet._create_from_ptr(packet_ptr) |