Commit | Line | Data |
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579d0169 | 1 | # -*-pyrex-*- |
2 | # | |
3 | # $Id$ | |
4 | # | |
5 | # Background name resolution | |
6 | # | |
7 | # (c) 2005 Straylight/Edgeware | |
8 | # | |
9 | ||
10 | #----- Licensing notice ----------------------------------------------------- | |
11 | # | |
12 | # This file is part of the Python interface to mLib. | |
13 | # | |
14 | # mLib/Python is free software; you can redistribute it and/or modify | |
15 | # it under the terms of the GNU General Public License as published by | |
16 | # the Free Software Foundation; either version 2 of the License, or | |
17 | # (at your option) any later version. | |
d8d81d1b | 18 | # |
579d0169 | 19 | # mLib/Python is distributed in the hope that it will be useful, |
20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | # GNU General Public License for more details. | |
d8d81d1b | 23 | # |
579d0169 | 24 | # You should have received a copy of the GNU General Public License |
25 | # along with mLib/Python; if not, write to the Free Software Foundation, | |
26 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
27 | ||
28 | cdef class SelResolve: | |
29 | cdef bres_client r | |
30 | cdef int _activep | |
31 | cdef _resolved | |
32 | cdef _failed | |
33 | def __init__(me, *hunoz, **hukairz): | |
34 | raise TypeError, 'abstract class' | |
b170d65a MW |
35 | def __dealloc__(me): |
36 | if me._activep: | |
37 | me._dead() | |
38 | bres_abort(&me.r) | |
579d0169 | 39 | property activep: |
40 | def __get__(me): | |
41 | return _tobool(me._activep) | |
42 | def kill(me): | |
43 | if not me._activep: | |
44 | raise ValueError, 'already dead' | |
45 | me._dead() | |
46 | bres_abort(&me.r) | |
47 | return me | |
48 | cdef _dead(me): | |
49 | me._activep = 0 | |
50 | me.dead() | |
51 | def dead(me): | |
52 | pass | |
53 | property resolvedproc: | |
54 | def __get__(me): | |
55 | return me._resolved | |
56 | def __set__(me, proc): | |
57 | me._resolved = _checkcallable(proc, 'resolved proc') | |
58 | def __del__(me): | |
59 | me._resolved = None | |
60 | property failedproc: | |
61 | def __get__(me): | |
62 | return me._failed | |
63 | def __set__(me, proc): | |
64 | me._failed = _checkcallable(proc, 'failed proc') | |
65 | def __del__(me): | |
66 | me._failed = None | |
67 | def resolved(me, name, aliases, addrs): | |
68 | return _maybecall(me._resolved, (name, aliases, addrs)) | |
69 | def failed(me): | |
70 | return _maybecall(me._failed, ()) | |
71 | ||
72 | cdef class SelResolveByName (SelResolve): | |
73 | def __new__(me, char *name, resolvedproc = None, failedproc = None, | |
74 | *hunoz, **hukairz): | |
579d0169 | 75 | me._resolved = _checkcallable(resolvedproc, 'resolved proc') |
76 | me._failed = _checkcallable(failedproc, 'failed proc') | |
77 | me._activep = 1 | |
b170d65a | 78 | bres_byname(&me.r, name, _resfunc, <void *>me) |
579d0169 | 79 | def __init__(me, name, resolvedproc = None, failedproc = None): |
80 | pass | |
81 | ||
82 | cdef class SelResolveByAddr (SelResolve): | |
83 | def __new__(me, char *addr, resolvedproc = None, failedproc = None, | |
84 | *hunoz, **hukairz): | |
85 | cdef in_addr ia | |
86 | if not inet_aton(addr, &ia): | |
87 | raise TypeError, 'bad IP address' | |
579d0169 | 88 | me._resolved = _checkcallable(resolvedproc, 'resolved proc') |
89 | me._failed = _checkcallable(failedproc, 'failed proc') | |
90 | me._activep = 1 | |
b170d65a | 91 | bres_byaddr(&me.r, ia, _resfunc, <void *>me) |
579d0169 | 92 | def __init__(me, addr, resolvedproc = None, failedproc = None): |
93 | pass | |
94 | ||
b51b6cf0 | 95 | cdef void _resfunc(hostent *h, void *arg): |
579d0169 | 96 | cdef SelResolve r |
97 | cdef int i | |
98 | r = <SelResolve>arg | |
99 | r._dead() | |
100 | if h is NULL: | |
b170d65a | 101 | r.failed() |
579d0169 | 102 | else: |
103 | alias = [] | |
104 | addr = [] | |
105 | i = 0 | |
106 | while h.h_aliases[i]: | |
107 | alias.append(h.h_aliases[i]) | |
108 | i = i + 1 | |
109 | i = 0 | |
110 | while h.h_addr_list[i]: | |
111 | addr.append(inet_ntoa((<in_addr *>h.h_addr_list[i])[0])) | |
112 | i = i + 1 | |
113 | r.resolved(h.h_name, alias, addr) | |
114 | ||
115 | bres_exec(NULL) | |
116 | bres_init(&_sel) | |
117 | ||
118 | #----- That's all, folks ---------------------------------------------------- |