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..  BSD LICENSE
    Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.
    * Neither the name of Intel Corporation nor the names of its
    contributors may be used to endorse or promote products derived
    from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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Xen Guide
=========

.. toctree::
    :maxdepth: 2
    :numbered:

    pkt_switch
/ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * 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.
 */

#include "vom/lldp_binding.hpp"
#include "vom/cmd.hpp"

namespace VOM {
/**
 * A DB of all LLDP configs
 */
singular_db<interface::key_type, lldp_binding> lldp_binding::m_db;

lldp_binding::event_handler lldp_binding::m_evh;

lldp_binding::lldp_binding(const interface& itf, const std::string& port_desc)
  : m_itf(itf.singular())
  , m_port_desc(port_desc)
  , m_binding(0)
{
}

lldp_binding::lldp_binding(const lldp_binding& o)
  : m_itf(o.m_itf)
  , m_port_desc(o.m_port_desc)
  , m_binding(0)
{
}

lldp_binding::~lldp_binding()
{
  sweep();

  // not in the DB anymore.
  m_db.release(m_itf->key(), this);
}

void
lldp_binding::sweep()
{
  if (m_binding) {
    HW::enqueue(new unbind_cmd(m_binding, m_itf->handle()));
  }
  HW::write();
}

void
lldp_binding::dump(std::ostream& os)
{
  m_db.dump(os);
}

void
lldp_binding::replay()
{
  if (m_binding) {
    HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_port_desc));
  }
}

std::string
lldp_binding::to_string() const
{
  std::ostringstream s;
  s << "Lldp-binding: " << m_itf->to_string() << " port_desc:" << m_port_desc
    << " " << m_binding.to_string();

  return (s.str());
}

void
lldp_binding::update(const lldp_binding& desired)
{
  /*
 * the desired state is always that the interface should be created
 */
  if (!m_binding) {
    HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_port_desc));
  }
}

std::shared_ptr<lldp_binding>
lldp_binding::find_or_add(const lldp_binding& temp)
{
  return (m_db.find_or_add(temp.m_itf->key(), temp));
}

std::shared_ptr<lldp_binding>
lldp_binding::singular() const
{
  return find_or_add(*this);
}

lldp_binding::event_handler::event_handler()
{
  OM::register_listener(this);
  inspect::register_handler({ "lldp" }, "LLDP bindings", this);
}

void
lldp_binding::event_handler::handle_replay()
{
  m_db.replay();
}

void
lldp_binding::event_handler::handle_populate(const client_db::key_t& key)
{
  // FIXME
}

dependency_t
lldp_binding::event_handler::order() const
{
  return (dependency_t::BINDING);
}

void
lldp_binding::event_handler::show(std::ostream& os)
{
  m_db.dump(os);
}
}

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