chiark / gitweb /
setup.py: Update to use pkg-config.
[mLib-python] / bres.pyx
CommitLineData
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
28cdef 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
72cdef 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
82cdef 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 95cdef 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
115bres_exec(NULL)
116bres_init(&_sel)
117
118#----- That's all, folks ----------------------------------------------------