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
24 from bt2
import component
as bt2_component
25 from bt2
import connection
as bt2_connection
26 from bt2
import message
as bt2_message
30 def _create_from_ptr_and_get_ref(ptr
, port_type
):
31 cls
= _PORT_TYPE_TO_PYCLS
.get(port_type
, None)
34 raise TypeError('unknown port type: {}'.format(port_type
))
36 return cls
._create
_from
_ptr
_and
_get
_ref
(ptr
)
39 def _create_self_from_ptr_and_get_ref(ptr
, port_type
):
40 cls
= _PORT_TYPE_TO_USER_PYCLS
.get(port_type
, None)
43 raise TypeError('unknown port type: {}'.format(port_type
))
45 return cls
._create
_from
_ptr
_and
_get
_ref
(ptr
)
48 class _Port(object._SharedObject
):
50 def _get_ref(cls
, ptr
):
51 ptr
= cls
._as
_port
_ptr
(ptr
)
52 return native_bt
.port_get_ref(ptr
)
55 def _put_ref(cls
, ptr
):
56 ptr
= cls
._as
_port
_ptr
(ptr
)
57 return native_bt
.port_put_ref(ptr
)
61 ptr
= self
._as
_port
_ptr
(self
._ptr
)
62 name
= native_bt
.port_get_name(ptr
)
63 assert name
is not None
68 ptr
= self
._as
_port
_ptr
(self
._ptr
)
69 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
74 return bt2_connection
._Connection
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
77 def is_connected(self
):
78 return self
.connection
is not None
81 class _InputPort(_Port
):
82 _as_port_ptr
= staticmethod(native_bt
.port_input_as_port_const
)
85 class _OutputPort(_Port
):
86 _as_port_ptr
= staticmethod(native_bt
.port_output_as_port_const
)
89 class _UserComponentPort(_Port
):
91 def _as_port_ptr(cls
, ptr
):
92 ptr
= cls
._as
_self
_port
_ptr
(ptr
)
93 return native_bt
.self_component_port_as_port(ptr
)
97 ptr
= self
._as
_port
_ptr
(self
._ptr
)
98 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
103 return bt2_connection
._Connection
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
107 ptr
= self
._as
_self
_port
_ptr
(self
._ptr
)
108 return native_bt
.self_component_port_get_data(ptr
)
111 class _UserComponentInputPort(_UserComponentPort
, _InputPort
):
112 _as_self_port_ptr
= staticmethod(
113 native_bt
.self_component_port_input_as_self_component_port
117 class _UserComponentOutputPort(_UserComponentPort
, _OutputPort
):
118 _as_self_port_ptr
= staticmethod(
119 native_bt
.self_component_port_output_as_self_component_port
123 _PORT_TYPE_TO_PYCLS
= {
124 native_bt
.PORT_TYPE_INPUT
: _InputPort
,
125 native_bt
.PORT_TYPE_OUTPUT
: _OutputPort
,
129 _PORT_TYPE_TO_USER_PYCLS
= {
130 native_bt
.PORT_TYPE_INPUT
: _UserComponentInputPort
,
131 native_bt
.PORT_TYPE_OUTPUT
: _UserComponentOutputPort
,