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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 | ||
a728f6c3 | 23 | from bt2 import native_bt, utils |
c946c9de PP |
24 | from bt2 import object as bt2_object |
25 | from bt2 import packet as bt2_packet | |
26 | from bt2 import event as bt2_event | |
3c978533 | 27 | from bt2 import trace as bt2_trace |
c946c9de | 28 | from bt2 import stream_class as bt2_stream_class |
81447b5b PP |
29 | import bt2 |
30 | ||
31 | ||
c946c9de | 32 | class _Stream(bt2_object._SharedObject): |
a728f6c3 SM |
33 | _get_ref = staticmethod(native_bt.stream_get_ref) |
34 | _put_ref = staticmethod(native_bt.stream_put_ref) | |
81447b5b | 35 | |
81447b5b | 36 | @property |
c88be1c8 | 37 | def cls(self): |
a728f6c3 SM |
38 | stream_class_ptr = native_bt.stream_borrow_class(self._ptr) |
39 | assert stream_class_ptr is not None | |
c946c9de | 40 | return bt2_stream_class._StreamClass._create_from_ptr_and_get_ref( |
61d96b89 FD |
41 | stream_class_ptr |
42 | ) | |
81447b5b PP |
43 | |
44 | @property | |
45 | def name(self): | |
839d52a5 | 46 | return native_bt.stream_get_name(self._ptr) |
81447b5b | 47 | |
a728f6c3 SM |
48 | def _name(self, name): |
49 | utils._check_str(name) | |
50 | native_bt.stream_set_name(self._ptr, name) | |
51 | ||
52 | _name = property(fset=_name) | |
53 | ||
f6a5e476 PP |
54 | @property |
55 | def id(self): | |
839d52a5 | 56 | id = native_bt.stream_get_id(self._ptr) |
f6a5e476 PP |
57 | return id if id >= 0 else None |
58 | ||
81447b5b | 59 | def create_packet(self): |
37a93d41 | 60 | if not self.cls.supports_packets: |
3b2be708 | 61 | raise ValueError( |
61d96b89 FD |
62 | 'cannot create packet: stream class does not support packets' |
63 | ) | |
37a93d41 | 64 | |
839d52a5 | 65 | packet_ptr = native_bt.packet_create(self._ptr) |
81447b5b PP |
66 | |
67 | if packet_ptr is None: | |
614743a5 | 68 | raise bt2._MemoryError('cannot create packet object') |
81447b5b | 69 | |
c946c9de | 70 | return bt2_packet._Packet._create_from_ptr(packet_ptr) |
3c978533 FD |
71 | |
72 | @property | |
73 | def trace(self): | |
74 | trace_ptr = native_bt.stream_borrow_trace(self._ptr) | |
75 | assert trace_ptr is not None | |
76 | return bt2_trace._Trace._create_from_ptr_and_get_ref(trace_ptr) |