static int state = 0;
static char *device_info;
-static uint64_t device_total_in = 0;
-static uint64_t device_total_out = 0;
-
enum request_type { REQ_NEW_CONTROL };
static struct request {
}
void close_device(void) {
- if(listen_fd >= 0)
- close(listen_fd);
+ if(listen_fd >= 0) {
+ close(listen_fd); listen_fd = -1;
+ }
- if(request_fd >= 0)
- close(request_fd);
+ if(request_fd >= 0) {
+ close(request_fd); request_fd = -1;
+ }
- if(data_fd >= 0)
- close(data_fd);
+ if(data_fd >= 0) {
+ close(data_fd); data_fd = -1;
+ }
- if(write_fd >= 0)
- close(write_fd);
+ if(write_fd >= 0) {
+ close(write_fd); write_fd = -1;
+ }
unlink(device);
- free(device);
- if(iface) free(iface);
+ free(device); device = NULL;
+ if(iface) {
+ free(iface); iface = NULL;
+ }
+ device_info = NULL;
}
static bool read_packet(vpn_packet_t *packet) {
}
case 2: {
- if((inlen = read(data_fd, packet->data, MTU)) <= 0) {
+ if((inlen = read(data_fd, DATA(packet), MTU)) <= 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
event_exit();
packet->len = inlen;
- device_total_in += packet->len;
-
logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
device_info);
logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
- if(write(write_fd, packet->data, packet->len) < 0) {
+ if(write(write_fd, DATA(packet), packet->len) < 0) {
if(errno != EINTR && errno != EAGAIN) {
logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno));
event_exit();
return false;
}
- device_total_out += packet->len;
-
return true;
}
-static void dump_device_stats(void) {
- logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
- logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
- logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
-}
-
const devops_t uml_devops = {
.setup = setup_device,
.close = close_device,
.read = read_packet,
.write = write_packet,
- .dump_stats = dump_device_stats,
};