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 1.1.2.5 2003/06/11 19:28:36 guus Exp $
27 #include <sys/types.h>
47 int device_total_in = 0;
48 int device_total_out = 0;
50 int setup_device(void)
56 if(!get_config_string(lookup_config(config_tree, "Device"), &device))
57 device = DEFAULT_DEVICE;
59 if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
60 interface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
62 if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
63 syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
67 device_info = _("Stub device for Cygwin environment");
69 syslog(LOG_INFO, _("%s is a %s"), device, device_info);
74 void close_device(void)
81 int read_packet(vpn_packet_t *packet)
87 if((lenin = read(device_fd, packet->data, MTU)) <= 0) {
88 syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
89 device, strerror(errno));
95 device_total_in += packet->len;
97 if(debug_lvl >= DEBUG_TRAFFIC) {
98 syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
105 int write_packet(vpn_packet_t *packet)
109 if(debug_lvl >= DEBUG_TRAFFIC)
110 syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
111 packet->len, device_info);
113 if(write(device_fd, packet->data, packet->len) < 0) {
114 syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
119 device_total_out += packet->len;
124 void dump_device_stats(void)
128 syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
129 syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
130 syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);