1 |
/* |
2 |
device.C -- include the correct low-level implementation. |
3 |
Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
4 |
|
5 |
This program is free software; you can redistribute it and/or modify |
6 |
it under the terms of the GNU General Public License as published by |
7 |
the Free Software Foundation; either version 2 of the License, or |
8 |
(at your option) any later version. |
9 |
|
10 |
This program is distributed in the hope that it will be useful, |
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
GNU General Public License for more details. |
14 |
|
15 |
You should have received a copy of the GNU General Public License |
16 |
along with this program; if not, write to the Free Software |
17 |
Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 |
*/ |
19 |
|
20 |
#include "config.h" |
21 |
|
22 |
#include <cstring> |
23 |
#include <cstdlib> |
24 |
|
25 |
#include "slog.h" |
26 |
#include "device.h" |
27 |
|
28 |
static void *pkt_cachep[PKTCACHESIZE]; |
29 |
static int pkt_cachen = 0; |
30 |
|
31 |
void *net_packet::operator new(size_t s) |
32 |
{ |
33 |
if (s > sizeof (data_packet)) |
34 |
{ |
35 |
slog (L_ERR, _("FATAL: allocation for network packet larger than max supported packet size (%d > %d).\n"), |
36 |
s, sizeof (data_packet)); |
37 |
abort (); |
38 |
} |
39 |
|
40 |
if (pkt_cachen) |
41 |
return pkt_cachep[--pkt_cachen]; |
42 |
else |
43 |
{ |
44 |
void *p = malloc (sizeof (data_packet)); |
45 |
memset (p, 0, sizeof (data_packet)); |
46 |
return p; |
47 |
} |
48 |
} |
49 |
|
50 |
void net_packet::operator delete(void *p) |
51 |
{ |
52 |
if (p) |
53 |
{ |
54 |
if (pkt_cachen < PKTCACHESIZE) |
55 |
{ |
56 |
memset (p, 0, sizeof (data_packet)); |
57 |
pkt_cachep[pkt_cachen++] = p; |
58 |
} |
59 |
else |
60 |
free (p); |
61 |
} |
62 |
} |
63 |
|
64 |
#if IFTYPE_tincd |
65 |
# include "device-tincd.C" |
66 |
#elif IFTYPE_native && IF_linux |
67 |
# include "device-linux.C" |
68 |
#elif IFTYPE_native && IF_cygwin |
69 |
# include "device-cygwin.C" |
70 |
#else |
71 |
# error No interface implementation for your IFTYPE/IFSUBTYPE combination. |
72 |
#endif |
73 |
|
74 |
|