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 1.1.2.1 2002/07/11 12:57:06 guus Exp $
27 #include <sys/types.h>
47 int device_total_in = 0;
48 int device_total_out = 0;
50 extern subnet_t mymac;
52 int setup_device(void)
57 if(!get_config_string(lookup_config(config_tree, "Device"), &device))
58 device = DEFAULT_DEVICE;
60 if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
61 interface = rindex(device, '/')?rindex(device, '/')+1:device;
63 if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
65 syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
69 /* Set default MAC address for ethertap devices */
71 mymac.type = SUBNET_MAC;
72 mymac.net.mac.address.x[0] = 0xfe;
73 mymac.net.mac.address.x[1] = 0xfd;
74 mymac.net.mac.address.x[2] = 0x00;
75 mymac.net.mac.address.x[3] = 0x00;
76 mymac.net.mac.address.x[4] = 0x00;
77 mymac.net.mac.address.x[5] = 0x00;
79 device_info = _("Stub device for Cygwin environment");
81 syslog(LOG_INFO, _("%s is a %s"), device, device_info);
86 void close_device(void)
92 int read_packet(vpn_packet_t *packet)
96 if((lenin = read(device_fd, packet->data, MTU)) <= 0)
98 syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
104 device_total_in += packet->len;
106 if(debug_lvl >= DEBUG_TRAFFIC)
108 syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info);
115 int write_packet(vpn_packet_t *packet)
118 if(debug_lvl >= DEBUG_TRAFFIC)
119 syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
120 packet->len, device_info);
122 if(write(device_fd, packet->data, packet->len) < 0)
124 syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno));
128 device_total_out += packet->len;
133 void dump_device_stats(void)
136 syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
137 syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
138 syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);