2 device.c -- Stub for Cygwin environment
3 Copyright (C) 2002 Ivo Timmermans <ivo@o2w.nl>,
4 2002 Guus Sliepen <guus@sliepen.eu.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 $Id: device.c,v 1.1.2.6 2003/07/06 22:11:33 guus Exp $
27 #include <sys/types.h>
46 int device_total_in = 0;
47 int device_total_out = 0;
49 int setup_device(void)
55 if(!get_config_string(lookup_config(config_tree, "Device"), &device))
56 device = DEFAULT_DEVICE;
58 if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
59 interface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
61 if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
62 logger(DEBUG_ALWAYS, LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
66 device_info = _("Stub device for Cygwin environment");
68 logger(DEBUG_ALWAYS, LOG_INFO, _("%s is a %s"), device, device_info);
73 void close_device(void)
80 int read_packet(vpn_packet_t *packet)
86 if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
87 logger(DEBUG_ALWAYS, LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
88 device, strerror(errno));
94 device_total_in += packet->len;
96 logger(DEBUG_TRAFFIC, LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
102 int write_packet(vpn_packet_t *packet)
106 logger(DEBUG_TRAFFIC, LOG_DEBUG, _("Writing packet of %d bytes to %s"),
107 packet->len, device_info);
109 if(write(device_fd, packet->data, packet->len) < 0) {
110 logger(DEBUG_ALWAYS, LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
115 device_total_out += packet->len;
120 void dump_device_stats(void)
124 logger(DEBUG_ALWAYS, LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
125 logger(DEBUG_ALWAYS, LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
126 logger(DEBUG_ALWAYS, LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);