ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/device.C
Revision: 1.12
Committed: Mon Apr 1 03:10:26 2019 UTC (5 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.11: +5 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
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 #include <stdexcept>
37
38 #include "slog.h"
39 #include "device.h"
40
41 static void *pkt_cachep[PKTCACHESIZE];
42 static int pkt_cachen = 0;
43
44 void *
45 net_packet::operator new(size_t s)
46 {
47 if (s > sizeof (data_packet))
48 {
49 slog (L_ERR, _("FATAL: allocation for network packet larger than max supported packet size (%d > %d)."),
50 s, sizeof (data_packet));
51 abort ();
52 }
53
54 if (pkt_cachen)
55 return pkt_cachep[--pkt_cachen];
56 else
57 {
58 void *p = malloc (sizeof (data_packet));
59
60 if (!p)
61 throw (std::bad_alloc ());
62
63 memset (p, 0, sizeof (data_packet));
64 return p;
65 }
66 }
67
68 void
69 net_packet::operator delete(void *p)
70 {
71 if (p)
72 {
73 if (pkt_cachen < PKTCACHESIZE)
74 {
75 memset (p, 0, sizeof (data_packet));
76 pkt_cachep[pkt_cachen++] = p;
77 }
78 else
79 free (p);
80 }
81 }
82
83 #if IFTYPE_tincd
84 # include "device-tincd.C"
85 #elif IFTYPE_native && IF_linux
86 # include "device-linux.C"
87 #elif IFTYPE_native && IF_cygwin
88 # include "device-cygwin.C"
89 #elif IFTYPE_native && IF_darwin
90 # include "device-darwin.C"
91 #else
92 # error No interface implementation for your IFTYPE/IFSUBTYPE combination.
93 #endif
94
95