Scale Stack 0.3 Developer Documentation

scalestack/kernel/test/option_reconfigure/option_reconfigure.cc

Go to the documentation of this file.

/*
 * Scale Stack
 *
 * Copyright 2010 Eric Day
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "config.h"

#include <cassert>

#include <scalestack/kernel/core.h>
#include <scalestack/kernel/module.h>
#include <scalestack/kernel/option.h>

using namespace scalestack;

static void options(kernel::module& module)
{
  module.add_option("a", "Help a", "COUNT", "1");
}

static void start(kernel::module& module)
{
  module.run();
}

static void run(kernel::module& module)
{
  if (module.get_option("a").get_value() == "1")
  {
    module.get_core().add_module_option_value(
      "kernel::test::option_reconfigure", "a", "2");
  }
  else
    module.get_core().shutdown();
}

static void reconfigure(kernel::module& module)
{
  assert(module.get_option("a").get_value() == "2");
  module.run();
}

SCALESTACK_KERNEL_MODULE(options, start, NULL, run, reconfigure);

---