along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: device.c,v 1.1.2.9 2003/07/18 13:41:36 guus Exp $
+ $Id: device.c,v 1.1.2.10 2003/07/22 20:55:21 guus Exp $
*/
#include "system.h"
#define DEFAULT_DEVICE "/dev/tun0"
int device_fd = -1;
-int device_type;
char *device;
char *iface;
char *device_info;
int device_total_in = 0;
int device_total_out = 0;
-int setup_device(void)
+bool setup_device(void)
{
cp();
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
- return -1;
+ return false;
}
device_info = _("MacOS/X tun device");
logger(LOG_INFO, _("%s is a %s"), device, device_info);
- return 0;
+ return true;
}
void close_device(void)
close(device_fd);
}
-int read_packet(vpn_packet_t *packet)
+bool read_packet(vpn_packet_t *packet)
{
int lenin;
if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
device, strerror(errno));
- return -1;
+ return false;
}
packet->data[12] = 0x08;
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"),
packet->len, device_info);
- return 0;
+ return true;
}
-int write_packet(vpn_packet_t *packet)
+bool write_packet(vpn_packet_t *packet)
{
cp();
if(write(device_fd, packet->data + 14, packet->len - 14) < 0) {
logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info,
device, strerror(errno));
- return -1;
+ return false;
}
device_total_out += packet->len;
+
+ return true;
}
void dump_device_stats(void)