1 # The MIT License (MIT)
3 # Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com>
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:
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
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
23 from bt2
import native_bt
, utils
24 from bt2
import object as bt2_object
25 from bt2
import packet
as bt2_packet
26 from bt2
import trace
as bt2_trace
27 from bt2
import stream_class
as bt2_stream_class
31 class _Stream(bt2_object
._SharedObject
):
32 _get_ref
= staticmethod(native_bt
.stream_get_ref
)
33 _put_ref
= staticmethod(native_bt
.stream_put_ref
)
37 stream_class_ptr
= native_bt
.stream_borrow_class(self
._ptr
)
38 assert stream_class_ptr
is not None
39 return bt2_stream_class
._StreamClass
._create
_from
_ptr
_and
_get
_ref
(
45 return native_bt
.stream_get_name(self
._ptr
)
47 def _name(self
, name
):
48 utils
._check
_str
(name
)
49 native_bt
.stream_set_name(self
._ptr
, name
)
51 _name
= property(fset
=_name
)
55 id = native_bt
.stream_get_id(self
._ptr
)
56 return id if id >= 0 else None
58 def create_packet(self
):
59 if not self
.cls
.supports_packets
:
61 'cannot create packet: stream class does not support packets'
64 packet_ptr
= native_bt
.packet_create(self
._ptr
)
66 if packet_ptr
is None:
67 raise bt2
._MemoryError('cannot create packet object')
69 return bt2_packet
._Packet
._create
_from
_ptr
(packet_ptr
)
73 trace_ptr
= native_bt
.stream_borrow_trace(self
._ptr
)
74 assert trace_ptr
is not None
75 return bt2_trace
._Trace
._create
_from
_ptr
_and
_get
_ref
(trace_ptr
)
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