~mdw / mLib-python / blame
| Commit | Line | Data |
|---|---|---|
| 5b1830f3 MW |
1 | ### -*-pyrex-*- |
| 2 | ### | |
| 3 | ### File selectors | |
| 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 | SEL_READ = _SEL_READ | |
| 27 | SEL_WRITE = _SEL_WRITE | |
| 28 | SEL_EXCEPT = _SEL_EXC | |
| 29 | ||
| 30 | cdef class SelFile: | |
| 31 | cdef sel_file f | |
| 32 | cdef int _activep | |
| 33 | cdef readonly unsigned mode | |
| 34 | cdef _readyfunc | |
| 376ad06d | 35 | def __cinit__(me, fd, int mode = SEL_READ, readyproc = None, |
| 579d0169 | 36 | *hunoz, **hukairz): |
| 37 | if (mode != _SEL_READ and | |
| 38 | mode != _SEL_WRITE and | |
| 39 | mode != _SEL_EXC): | |
| 40 | raise ValueError, 'bad select mode' | |
| 41 | sel_initfile(&_sel, &me.f, _getfd(fd), mode, _filefunc, <void *>me) | |
| 42 | me._activep = 0 | |
| 43 | me.mode = mode | |
| 8fdfc395 | 44 | me._readyfunc = _checkcallable(readyproc, 'ready proc') |
| 579d0169 | 45 | def __dealloc__(me): |
| 46 | if me._activep: | |
| 47 | sel_rmfile(&me.f) | |
| 48 | property fd: | |
| 49 | def __get__(me): | |
| 50 | return me.f.fd | |
| 51 | property activep: | |
| 52 | def __get__(me): | |
| 53 | return _tobool(me._activep) | |
| 54 | property readyproc: | |
| 55 | def __get__(me): | |
| 8fdfc395 | 56 | return me._readyfunc |
| 579d0169 | 57 | def __set__(me, proc): |
| 8fdfc395 | 58 | me._readyfunc = _checkcallable(proc, 'ready proc') |
| 579d0169 | 59 | def __del__(me): |
| 8fdfc395 | 60 | me._readyfunc = None |
| 579d0169 | 61 | def enable(me): |
| 62 | if me._activep: | |
| 63 | raise ValueError, 'already enabled' | |
| 64 | sel_addfile(&me.f) | |
| 65 | me._enabled() | |
| 66 | return me | |
| 67 | def disable(me): | |
| 68 | if not me._activep: | |
| 69 | raise ValueError, 'already disabled' | |
| 70 | sel_rmfile(&me.f) | |
| 71 | me._disabled() | |
| 72 | return me | |
| 73 | def force(me): | |
| 74 | sel_force(&me.f) | |
| 75 | return me | |
| 76 | cdef _enabled(me): | |
| 77 | me._activep = 1 | |
| 78 | me.enabled() | |
| 79 | cdef _disabled(me): | |
| 80 | me._activep = 0 | |
| 81 | me.disabled() | |
| 82 | def enabled(me): | |
| 83 | pass | |
| 84 | def disabled(me): | |
| 85 | pass | |
| 86 | def ready(me): | |
| 8fdfc395 | 87 | return _maybecall(me._readyfunc, ()) |
| 579d0169 | 88 | |
| b51b6cf0 | 89 | cdef void _filefunc(int fd, unsigned mode, void *arg): |
| 579d0169 | 90 | cdef SelFile sf |
| 91 | sf = <SelFile>arg | |
| 92 | sf.ready() | |
| 93 | ||
| 5b1830f3 | 94 | ###----- That's all, folks -------------------------------------------------- |