Commit | Line | Data |
---|---|---|
81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2016-2017 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 | |
c4239792 | 24 | import bt2.field |
81447b5b PP |
25 | import bt2.stream |
26 | import copy | |
27 | import abc | |
28 | import bt2 | |
29 | ||
30 | ||
78288f58 | 31 | class _Packet(object._SharedObject): |
2ae9f48c SM |
32 | _get_ref = staticmethod(native_bt.packet_get_ref) |
33 | _put_ref = staticmethod(native_bt.packet_put_ref) | |
34 | ||
81447b5b PP |
35 | @property |
36 | def stream(self): | |
2ae9f48c SM |
37 | stream_ptr = native_bt.packet_borrow_stream(self._ptr) |
38 | assert stream_ptr is not None | |
39 | return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr) | |
81447b5b PP |
40 | |
41 | @property | |
42 | def header_field(self): | |
50842bdc | 43 | field_ptr = native_bt.packet_get_header(self._ptr) |
81447b5b PP |
44 | |
45 | if field_ptr is None: | |
46 | return | |
47 | ||
c4239792 | 48 | return bt2.field._create_from_ptr(field_ptr) |
81447b5b PP |
49 | |
50 | @header_field.setter | |
51 | def header_field(self, header_field): | |
52 | header_field_ptr = None | |
53 | ||
54 | if header_field is not None: | |
c4239792 | 55 | utils._check_type(header_field, bt2.field._Field) |
81447b5b PP |
56 | header_field_ptr = header_field._ptr |
57 | ||
50842bdc | 58 | ret = native_bt.packet_set_header(self._ptr, header_field_ptr) |
81447b5b PP |
59 | utils._handle_ret(ret, "cannot set packet object's header field") |
60 | ||
61 | @property | |
62 | def context_field(self): | |
2ae9f48c | 63 | field_ptr = native_bt.packet_borrow_context_field(self._ptr) |
81447b5b PP |
64 | |
65 | if field_ptr is None: | |
66 | return | |
67 | ||
2ae9f48c SM |
68 | return bt2.field._create_field_from_ptr(field_ptr, self._ptr, |
69 | self._get_ref, | |
70 | self._put_ref) | |
71 | ||
81447b5b PP |
72 | |
73 | @context_field.setter | |
74 | def context_field(self, context_field): | |
75 | context_field_ptr = None | |
76 | ||
77 | if context_field is not None: | |
c4239792 | 78 | utils._check_type(context_field, bt2.field._Field) |
81447b5b PP |
79 | context_field_ptr = context_field._ptr |
80 | ||
50842bdc | 81 | ret = native_bt.packet_set_context(self._ptr, context_field_ptr) |
81447b5b PP |
82 | utils._handle_ret(ret, "cannot set packet object's context field") |
83 | ||
84 | def __eq__(self, other): | |
85 | if type(other) is not type(self): | |
86 | return False | |
87 | ||
88 | if self.addr == other.addr: | |
89 | return True | |
90 | ||
91 | self_props = ( | |
92 | self.header_field, | |
93 | self.context_field, | |
94 | ) | |
95 | other_props = ( | |
96 | other.header_field, | |
97 | other.context_field, | |
98 | ) | |
99 | return self_props == other_props | |
100 | ||
101 | def _copy(self, copy_func): | |
102 | cpy = self.stream.create_packet() | |
103 | cpy.header_field = copy_func(self.header_field) | |
104 | cpy.context_field = copy_func(self.context_field) | |
105 | return cpy | |
106 | ||
107 | def __copy__(self): | |
108 | return self._copy(copy.copy) | |
109 | ||
110 | def __deepcopy__(self, memo): | |
111 | cpy = self._copy(copy.deepcopy) | |
112 | memo[id(self)] = cpy | |
113 | return cpy |