func setRoute(ctl *os.File, dst ip.IP4Net, nextHopIP ip.IP4, nextHopPort int) {
cmd := C.command{
cmd: C.CMD_SET_ROUTE,
dest_net: C.in_addr_t(dst.IP.NetworkOrder()),
dest_net_len: C.int(dst.PrefixLen),
next_hop_ip: C.in_addr_t(nextHopIP.NetworkOrder()),
next_hop_port: C.short(nextHopPort),
}
writeCommand(ctl, &cmd)
}
func runCProxy(tun *os.File, conn *net.UDPConn, ctl *os.File, tunIP ip.IP4, tunMTU int) {
var log_errors int
if log.V(1) {
log_errors = 1
}
c, err := conn.File()
if err != nil {
log.Error("Converting UDPConn to File failed: ", err)
return
}
defer c.Close()
C.run_proxy(
C.int(tun.Fd()),
C.int(c.Fd()),
C.int(ctl.Fd()),
C.in_addr_t(tunIP.NetworkOrder()),
C.size_t(tunMTU),
C.int(log_errors),
)
}