| 1 |
/* |
| 2 |
device.C -- include the correct low-level implementation. |
| 3 |
Copyright (C) 2003-2004 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 |
|
