~mdw / mLib-python / blame
| Commit | Line | Data |
|---|---|---|
| 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 -------------------------------------------------- |