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5b1830f3 MW |
1 | ### -*-pyrex-*- |
2 | ### | |
3 | ### Background name resolution | |
4 | ### | |
5 | ### (c) 2005 Straylight/Edgeware | |
6 | ### | |
579d0169 | 7 | |
5b1830f3 MW |
8 | ###----- Licensing notice --------------------------------------------------- |
9 | ### | |
10 | ### This file is part of the Python interface to mLib. | |
11 | ### | |
12 | ### mLib/Python is free software; you can redistribute it and/or modify | |
13 | ### it under the terms of the GNU General Public License as published by | |
14 | ### the Free Software Foundation; either version 2 of the License, or | |
15 | ### (at your option) any later version. | |
16 | ### | |
17 | ### mLib/Python is distributed in the hope that it will be useful, | |
18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ### GNU General Public License for more details. | |
21 | ### | |
22 | ### You should have received a copy of the GNU General Public License | |
23 | ### along with mLib/Python; if not, write to the Free Software Foundation, | |
24 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
579d0169 | 25 | |
26 | cdef class SelResolve: | |
27 | cdef bres_client r | |
28 | cdef int _activep | |
29 | cdef _resolved | |
30 | cdef _failed | |
31 | def __init__(me, *hunoz, **hukairz): | |
32 | raise TypeError, 'abstract class' | |
b170d65a MW |
33 | def __dealloc__(me): |
34 | if me._activep: | |
35 | me._dead() | |
36 | bres_abort(&me.r) | |
579d0169 | 37 | property activep: |
38 | def __get__(me): | |
39 | return _tobool(me._activep) | |
40 | def kill(me): | |
41 | if not me._activep: | |
42 | raise ValueError, 'already dead' | |
43 | me._dead() | |
44 | bres_abort(&me.r) | |
45 | return me | |
46 | cdef _dead(me): | |
47 | me._activep = 0 | |
48 | me.dead() | |
49 | def dead(me): | |
50 | pass | |
51 | property resolvedproc: | |
52 | def __get__(me): | |
53 | return me._resolved | |
54 | def __set__(me, proc): | |
55 | me._resolved = _checkcallable(proc, 'resolved proc') | |
56 | def __del__(me): | |
57 | me._resolved = None | |
58 | property failedproc: | |
59 | def __get__(me): | |
60 | return me._failed | |
61 | def __set__(me, proc): | |
62 | me._failed = _checkcallable(proc, 'failed proc') | |
63 | def __del__(me): | |
64 | me._failed = None | |
65 | def resolved(me, name, aliases, addrs): | |
66 | return _maybecall(me._resolved, (name, aliases, addrs)) | |
67 | def failed(me): | |
68 | return _maybecall(me._failed, ()) | |
69 | ||
70 | cdef class SelResolveByName (SelResolve): | |
376ad06d | 71 | def __cinit__(me, char *name, resolvedproc = None, failedproc = None, |
579d0169 | 72 | *hunoz, **hukairz): |
579d0169 | 73 | me._resolved = _checkcallable(resolvedproc, 'resolved proc') |
74 | me._failed = _checkcallable(failedproc, 'failed proc') | |
75 | me._activep = 1 | |
b170d65a | 76 | bres_byname(&me.r, name, _resfunc, <void *>me) |
579d0169 | 77 | def __init__(me, name, resolvedproc = None, failedproc = None): |
78 | pass | |
79 | ||
80 | cdef class SelResolveByAddr (SelResolve): | |
376ad06d | 81 | def __cinit__(me, char *addr, resolvedproc = None, failedproc = None, |
579d0169 | 82 | *hunoz, **hukairz): |
83 | cdef in_addr ia | |
84 | if not inet_aton(addr, &ia): | |
85 | raise TypeError, 'bad IP address' | |
579d0169 | 86 | me._resolved = _checkcallable(resolvedproc, 'resolved proc') |
87 | me._failed = _checkcallable(failedproc, 'failed proc') | |
88 | me._activep = 1 | |
b170d65a | 89 | bres_byaddr(&me.r, ia, _resfunc, <void *>me) |
579d0169 | 90 | def __init__(me, addr, resolvedproc = None, failedproc = None): |
91 | pass | |
92 | ||
b51b6cf0 | 93 | cdef void _resfunc(hostent *h, void *arg): |
579d0169 | 94 | cdef SelResolve r |
95 | cdef int i | |
96 | r = <SelResolve>arg | |
97 | r._dead() | |
98 | if h is NULL: | |
b170d65a | 99 | r.failed() |
579d0169 | 100 | else: |
101 | alias = [] | |
102 | addr = [] | |
103 | i = 0 | |
104 | while h.h_aliases[i]: | |
105 | alias.append(h.h_aliases[i]) | |
106 | i = i + 1 | |
107 | i = 0 | |
108 | while h.h_addr_list[i]: | |
109 | addr.append(inet_ntoa((<in_addr *>h.h_addr_list[i])[0])) | |
110 | i = i + 1 | |
111 | r.resolved(h.h_name, alias, addr) | |
112 | ||
113 | bres_exec(NULL) | |
114 | bres_init(&_sel) | |
115 | ||
5b1830f3 | 116 | ###----- That's all, folks -------------------------------------------------- |