1 # The MIT License (MIT)
3 # Copyright (c) 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
, object
26 def _bt2_connection():
27 from bt2
import connection
as bt2_connection
32 def _create_from_const_ptr_and_get_ref(ptr
, port_type
):
33 cls
= _PORT_TYPE_TO_PYCLS
.get(port_type
, None)
36 raise TypeError('unknown port type: {}'.format(port_type
))
38 return cls
._create
_from
_ptr
_and
_get
_ref
(ptr
)
41 def _create_self_from_ptr_and_get_ref(ptr
, port_type
):
42 cls
= _PORT_TYPE_TO_USER_PYCLS
.get(port_type
, None)
45 raise TypeError('unknown port type: {}'.format(port_type
))
47 return cls
._create
_from
_ptr
_and
_get
_ref
(ptr
)
50 class _PortConst(object._SharedObject
):
52 def _get_ref(cls
, ptr
):
53 ptr
= cls
._as
_port
_ptr
(ptr
)
54 return native_bt
.port_get_ref(ptr
)
57 def _put_ref(cls
, ptr
):
58 ptr
= cls
._as
_port
_ptr
(ptr
)
59 return native_bt
.port_put_ref(ptr
)
63 ptr
= self
._as
_port
_ptr
(self
._ptr
)
64 name
= native_bt
.port_get_name(ptr
)
65 assert name
is not None
70 ptr
= self
._as
_port
_ptr
(self
._ptr
)
71 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
76 return _bt2_connection()._ConnectionConst
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
79 def is_connected(self
):
80 return self
.connection
is not None
83 class _InputPortConst(_PortConst
):
84 _as_port_ptr
= staticmethod(native_bt
.port_input_as_port_const
)
87 class _OutputPortConst(_PortConst
):
88 _as_port_ptr
= staticmethod(native_bt
.port_output_as_port_const
)
91 class _UserComponentPort(_PortConst
):
93 def _as_port_ptr(cls
, ptr
):
94 ptr
= cls
._as
_self
_port
_ptr
(ptr
)
95 return native_bt
.self_component_port_as_port(ptr
)
99 ptr
= self
._as
_port
_ptr
(self
._ptr
)
100 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
105 return _bt2_connection()._ConnectionConst
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
109 ptr
= self
._as
_self
_port
_ptr
(self
._ptr
)
110 return native_bt
.self_component_port_get_data(ptr
)
113 class _UserComponentInputPort(_UserComponentPort
, _InputPortConst
):
114 _as_self_port_ptr
= staticmethod(
115 native_bt
.self_component_port_input_as_self_component_port
119 class _UserComponentOutputPort(_UserComponentPort
, _OutputPortConst
):
120 _as_self_port_ptr
= staticmethod(
121 native_bt
.self_component_port_output_as_self_component_port
125 _PORT_TYPE_TO_PYCLS
= {
126 native_bt
.PORT_TYPE_INPUT
: _InputPortConst
,
127 native_bt
.PORT_TYPE_OUTPUT
: _OutputPortConst
,
131 _PORT_TYPE_TO_USER_PYCLS
= {
132 native_bt
.PORT_TYPE_INPUT
: _UserComponentInputPort
,
133 native_bt
.PORT_TYPE_OUTPUT
: _UserComponentOutputPort
,