public async Task <IActionResult> PutEtunnel(short id, Etunnel etunnel)
        {
            if (id != etunnel.EtunnelId)
            {
                return(BadRequest());
            }

            _context.Entry(etunnel).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!EtunnelExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <Etunnel> > PostEtunnel(Etunnel etunnel)
        {
            _context.Etunnel.Add(etunnel);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (EtunnelExists(etunnel.EtunnelId))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetEtunnel", new { id = etunnel.EtunnelId }, etunnel));
        }