| 1 |
/* |
| 2 |
device.C -- include the correct low-level implementation. |
| 3 |
Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
| 4 |
|
| 5 |
This file is part of GVPE. |
| 6 |
|
| 7 |
GVPE is free software; you can redistribute it and/or modify it |
| 8 |
under the terms of the GNU General Public License as published by the |
| 9 |
Free Software Foundation; either version 3 of the License, or (at your |
| 10 |
option) any later version. |
| 11 |
|
| 12 |
This program is distributed in the hope that it will be useful, but |
| 13 |
WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 15 |
Public License for more details. |
| 16 |
|
| 17 |
You should have received a copy of the GNU General Public License along |
| 18 |
with this program; if not, see <http://www.gnu.org/licenses/>. |
| 19 |
|
| 20 |
Additional permission under GNU GPL version 3 section 7 |
| 21 |
|
| 22 |
If you modify this Program, or any covered work, by linking or |
| 23 |
combining it with the OpenSSL project's OpenSSL library (or a modified |
| 24 |
version of that library), containing parts covered by the terms of the |
| 25 |
OpenSSL or SSLeay licenses, the licensors of this Program grant you |
| 26 |
additional permission to convey the resulting work. Corresponding |
| 27 |
Source for a non-source form of such a combination shall include the |
| 28 |
source code for the parts of OpenSSL used as well as that of the |
| 29 |
covered work. |
| 30 |
*/ |
| 31 |
|
| 32 |
#include "config.h" |
| 33 |
|
| 34 |
#include <cstring> |
| 35 |
#include <cstdlib> |
| 36 |
|
| 37 |
#include "slog.h" |
| 38 |
#include "device.h" |
| 39 |
|
| 40 |
static void *pkt_cachep[PKTCACHESIZE]; |
| 41 |
static int pkt_cachen = 0; |
| 42 |
|
| 43 |
void *net_packet::operator new(size_t s) |
| 44 |
{ |
| 45 |
if (s > sizeof (data_packet)) |
| 46 |
{ |
| 47 |
slog (L_ERR, _("FATAL: allocation for network packet larger than max supported packet size (%d > %d)."), |
| 48 |
s, sizeof (data_packet)); |
| 49 |
abort (); |
| 50 |
} |
| 51 |
|
| 52 |
if (pkt_cachen) |
| 53 |
return pkt_cachep[--pkt_cachen]; |
| 54 |
else |
| 55 |
{ |
| 56 |
void *p = malloc (sizeof (data_packet)); |
| 57 |
memset (p, 0, sizeof (data_packet)); |
| 58 |
return p; |
| 59 |
} |
| 60 |
} |
| 61 |
|
| 62 |
void net_packet::operator delete(void *p) |
| 63 |
{ |
| 64 |
if (p) |
| 65 |
{ |
| 66 |
if (pkt_cachen < PKTCACHESIZE) |
| 67 |
{ |
| 68 |
memset (p, 0, sizeof (data_packet)); |
| 69 |
pkt_cachep[pkt_cachen++] = p; |
| 70 |
} |
| 71 |
else |
| 72 |
free (p); |
| 73 |
} |
| 74 |
} |
| 75 |
|
| 76 |
#if IFTYPE_tincd |
| 77 |
# include "device-tincd.C" |
| 78 |
#elif IFTYPE_native && IF_linux |
| 79 |
# include "device-linux.C" |
| 80 |
#elif IFTYPE_native && IF_cygwin |
| 81 |
# include "device-cygwin.C" |
| 82 |
#elif IFTYPE_native && IF_darwin |
| 83 |
# include "device-darwin.C" |
| 84 |
#else |
| 85 |
# error No interface implementation for your IFTYPE/IFSUBTYPE combination. |
| 86 |
#endif |
| 87 |
|
| 88 |
|
