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 import bt2
.message_iterator
31 class _Port(object._SharedObject
):
33 def _get_ref(cls
, ptr
):
34 ptr
= cls
._as
_port
_ptr
(ptr
)
35 return native_bt
.port_get_ref(ptr
)
38 def _put_ref(cls
, ptr
):
39 ptr
= cls
._as
_port
_ptr
(ptr
)
40 return native_bt
.port_put_ref(ptr
)
44 ptr
= self
._as
_port
_ptr
(self
._ptr
)
45 name
= native_bt
.port_get_name(ptr
)
46 assert name
is not None
51 ptr
= self
._as
_port
_ptr
(self
._ptr
)
52 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
57 return bt2
.connection
._Connection
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
60 def is_connected(self
):
61 return self
.connection
is not None
64 class _InputPort(_Port
):
65 _as_port_ptr
= staticmethod(native_bt
.port_input_as_port_const
)
68 class _OutputPort(_Port
):
69 _as_port_ptr
= staticmethod(native_bt
.port_output_as_port_const
)
72 class _UserComponentPort(_Port
):
74 def _as_port_ptr(cls
, ptr
):
75 ptr
= cls
._as
_self
_port
_ptr
(ptr
)
76 return native_bt
.self_component_port_as_port(ptr
)
80 ptr
= self
._as
_port
_ptr
(self
._ptr
)
81 conn_ptr
= native_bt
.port_borrow_connection_const(ptr
)
86 return bt2
.connection
._Connection
._create
_from
_ptr
_and
_get
_ref
(conn_ptr
)
89 class _UserComponentInputPort(_UserComponentPort
, _InputPort
):
90 _as_self_port_ptr
= staticmethod(native_bt
.self_component_port_input_as_self_component_port
)
93 class _UserComponentOutputPort(_UserComponentPort
, _OutputPort
):
94 _as_self_port_ptr
= staticmethod(native_bt
.self_component_port_output_as_self_component_port
)