private void _set_timeout(int timeout_ms, int optname)
{
zts_timeval tv = new zts_timeval();
// Convert milliseconds to timeval struct
tv.tv_sec = timeout_ms / 1000;
tv.tv_usec = (timeout_ms % 1000) * 1000;
IntPtr tv_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(zts_timeval)));
Marshal.StructureToPtr(tv, tv_ptr, false);
ushort option_size = (ushort)Marshal.SizeOf(typeof(zts_sockaddr_in));
int err = 0;
if ((err = zts_setsockopt(_fd, ZeroTier.Constants.SOL_SOCKET,
ZeroTier.Constants.SO_RCVTIMEO, tv_ptr, option_size)) < 0) {
throw new ZeroTier.Sockets.SocketException(err, ZeroTier.Core.Node.ErrNo);
}
Marshal.FreeHGlobal(tv_ptr);
}
private int _get_timeout(int optname)
{
zts_timeval tv = new zts_timeval();
IntPtr tv_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(zts_timeval)));
Marshal.StructureToPtr(tv, tv_ptr, false);
ushort optlen = (ushort)Marshal.SizeOf(typeof(zts_timeval));
GCHandle optlen_gc_handle = GCHandle.Alloc(optlen, GCHandleType.Pinned);
IntPtr optlen_ptr = optlen_gc_handle.AddrOfPinnedObject();
int err = 0;
if ((err = zts_getsockopt(_fd, ZeroTier.Constants.SOL_SOCKET,
ZeroTier.Constants.SO_RCVTIMEO, tv_ptr, optlen_ptr)) < 0) {
throw new ZeroTier.Sockets.SocketException(err, ZeroTier.Core.Node.ErrNo);
}
tv = (zts_timeval)Marshal.PtrToStructure(tv_ptr, typeof(zts_timeval));
optlen_gc_handle.Free();
Marshal.FreeHGlobal(tv_ptr);
// Convert timeval struct to milliseconds
return (int)((tv.tv_sec * 1000) + (tv.tv_usec / 1000));
}
