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1 | # -*-pyrex-*- |
2 | # |
3 | # $Id$ |
4 | # |
5 | # Non-blocking connections |
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. |
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18 | # |
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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. |
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23 | # |
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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 SelConnect: |
29 | cdef conn c |
30 | cdef int _activep |
31 | cdef readonly object socket |
32 | cdef _connected |
33 | cdef _error |
34 | def __new__(me, sk, connectedproc = None, errorproc = None, |
35 | *hunoz, **hukairz): |
36 | conn_fd(&me.c, &_sel, sk.fileno(), _connfunc, <void *>me) |
37 | me._activep = 1 |
38 | me.socket = sk |
39 | me._connected = _checkcallable(connectedproc, 'connected proc') |
40 | me._error = _checkcallable(errorproc, 'error proc') |
41 | def __dealloc__(me): |
42 | if me._activep: |
43 | conn_kill(&me.c) |
44 | property activep: |
45 | def __get__(me): |
46 | return _tobool(me._activep) |
47 | property connectedproc: |
48 | def __get__(me): |
49 | return me._connected |
50 | def __set__(me, proc): |
51 | me._connected = _checkcallable(proc, 'connected proc') |
52 | def __del__(me): |
53 | me._connected = None |
54 | property errorproc: |
55 | def __get__(me): |
56 | return me._error |
57 | def __set__(me, proc): |
58 | me._error = _checkcallable(proc, 'error proc') |
59 | def __del__(me): |
60 | me._error = None |
61 | def kill(me): |
62 | if not me._activep: |
63 | raise ValueError, 'already dead' |
64 | conn_kill(&me.c); |
65 | me._dead() |
66 | return me |
67 | cdef _dead(me): |
68 | me._activep = 0 |
69 | me.dead() |
70 | def dead(me): |
71 | pass |
72 | def connected(me): |
73 | return _maybecall(me._connected, ()) |
74 | def error(me, errno, strerror): |
75 | return _maybecall(me._error, ()) |
76 | |
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77 | cdef void _connfunc(int fd, void *arg): |
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78 | cdef SelConnect c |
79 | c = <SelConnect>arg |
80 | c._dead() |
81 | if fd == -1: |
82 | c.socket = None |
83 | c.error(errno, strerror(errno)) |
84 | else: |
85 | c.connected() |
86 | |
87 | #----- That's all, folks ---------------------------------------------------- |