/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * 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.
 */

#ifndef __VOM_RA_CONFIG_H__
#define __VOM_RA_CONFIG_H__

#include <vapi/ip6_nd.api.vapi.hpp>

namespace VOM {
/**
 * A representation of Router Advertisement configuration
 */
class ra_config
{
public:
  /**
   * Construct a new object matching the desried state
   */
  ra_config(uint8_t suppress,
            uint8_t send_unicast,
            uint8_t default_router,
            uint32_t max_interval);

  /**
   * Copy Constructor
   */
  ra_config(const ra_config& o) = default;

  /**
   * Destructor
   */
  ~ra_config() = default;

  /**
   * convert to string format for debug purposes
   */
  std::string to_string() const;

  /**
   * Comparison operator - only used for UT
   */
  bool operator==(const ra_config& ra_config) const;

  /**
   * convert the ra config to VPP API
   */
  void to_vpp(vapi_payload_sw_interface_ip6nd_ra_config& ra_config) const;

private:
  /**
   * Disables sending ICMPv6 router-advertisement messages.
   */
  uint8_t m_suppress;

  /**
   * Advertises in ICMPv6 router-advertisement messages to use
   * stateful address auto-configuration to obtain address information.
   */
  uint8_t m_managed;

  /**
   * Indicates in ICMPv6 router-advertisement messages that
   * hosts use stateful auto configuration to obtain nonaddress
   * related information.
   */
  uint8_t m_other;

  /**
   * Indicates not to include the optional source link-layer
   * address in the ICMPv6 router-advertisement messages.
   */
  uint8_t m_ll_option;

  /**
   * Use the source address of the router-solicitation message if
   * availiable.
   */
  uint8_t m_send_unicast;

  /**
   * Cease sending ICMPv6 router-advertisement messages.
   */
  uint8_t m_cease;

  /**
   * .... ?
   */
  uint8_t m_default_router;

  /**
   * Configures the interval between sending ICMPv6 router-advertisement
   * messages. The range for max-interval is from 4 to 200 seconds.
   */
  uint32_t m_max_interval;

  /**
   * min-interval can not be more than 75% of max-interval.
   * If not set, min-interval will be set to 75% of max-interval.
   * The range for min-interval is from 3 to 150 seconds.
   */
  uint32_t m_min_interval;

  /**
   * Advertises the lifetime of a default router in ICMPv6
   * router-advertisement messages. The range is from 0 to 9000 seconds.
   * '<lifetime>' must be greater than '<max-interval>'.
   * The default value is 600 seconds
   */
  uint32_t m_lifetime;

  /**
   * Number of initial ICMPv6 router-advertisement messages sent.
   * Range for count is 1 - 3 and default is 3.
   */
  uint32_t m_initial_count;

  /**
   * The interval between each initial messages.
   * Range for interval is 1 to 16 seconds, and default is 16 seconds.
   */
  uint32_t m_initial_interval;
};
};

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "mozilla")
 * End:
 */

#endif