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1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 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 | ||
23 | from bt2 import native_bt, object, utils | |
fa4c33e3 | 24 | import bt2.message_iterator |
f6a5e476 PP |
25 | import collections.abc |
26 | import bt2.port | |
27 | import copy | |
28 | import bt2 | |
29 | ||
30 | ||
31 | def _handle_status(status, gen_error_msg): | |
32 | if status == native_bt.CONNECTION_STATUS_GRAPH_IS_CANCELED: | |
33 | raise bt2.GraphCanceled | |
34 | elif status == native_bt.CONNECTION_STATUS_IS_ENDED: | |
35 | raise bt2.ConnectionEnded | |
36 | elif status < 0: | |
37 | raise bt2.Error(gen_error_msg) | |
38 | ||
39 | ||
40 | def _create_private_from_ptr(ptr): | |
41 | obj = _PrivateConnection._create_from_ptr(ptr) | |
41765449 | 42 | obj._pub_ptr = native_bt.connection_from_private(ptr) |
f6a5e476 PP |
43 | assert(obj._pub_ptr) |
44 | return obj | |
45 | ||
46 | ||
c3044a97 | 47 | class _Connection(object._SharedObject): |
f6a5e476 PP |
48 | @staticmethod |
49 | def _downstream_port(ptr): | |
50 | port_ptr = native_bt.connection_get_downstream_port(ptr) | |
51 | utils._handle_ptr(port_ptr, "cannot get connection object's downstream port object") | |
52 | return bt2.port._create_from_ptr(port_ptr) | |
53 | ||
54 | @staticmethod | |
55 | def _upstream_port(ptr): | |
56 | port_ptr = native_bt.connection_get_upstream_port(ptr) | |
57 | utils._handle_ptr(port_ptr, "cannot get connection object's upstream port object") | |
58 | return bt2.port._create_from_ptr(port_ptr) | |
59 | ||
60 | @property | |
61 | def downstream_port(self): | |
62 | return self._downstream_port(self._ptr) | |
63 | ||
64 | @property | |
65 | def upstream_port(self): | |
66 | return self._upstream_port(self._ptr) | |
67 | ||
68 | @staticmethod | |
69 | def _is_ended(ptr): | |
70 | return native_bt.connection_is_ended(ptr) == 1 | |
71 | ||
72 | @property | |
73 | def is_ended(self): | |
74 | return self._is_ended(self._ptr) | |
75 | ||
76 | def __eq__(self, other): | |
77 | if type(other) not in (_Connection, _PrivateConnection): | |
78 | return False | |
79 | ||
80 | return self.addr == other.addr |