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/*
* 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/dhcp_config.hpp"
#include "vom/dhcp_config_cmds.hpp"
namespace VOM {
/**
* A DB of all DHCP configs
*/
singular_db<interface::key_t, dhcp_config> dhcp_config::m_db;
dhcp_config::event_handler dhcp_config::m_evh;
dhcp_config::dhcp_config(const interface& itf, const std::string& hostname)
: m_itf(itf.singular())
, m_hostname(hostname)
, m_client_id(l2_address_t::ZERO)
, m_binding(0)
{
}
dhcp_config::dhcp_config(const interface& itf,
const std::string& hostname,
const l2_address_t& client_id)
: m_itf(itf.singular())
, m_hostname(hostname)
, m_client_id(client_id)
, m_binding(0)
{
}
dhcp_config::dhcp_config(const dhcp_config& o)
: m_itf(o.m_itf)
, m_hostname(o.m_hostname)
, m_client_id(o.m_client_id)
, m_binding(0)
{
}
dhcp_config::~dhcp_config()
{
sweep();
// not in the DB anymore.
m_db.release(m_itf->key(), this);
}
bool
dhcp_config::operator==(const dhcp_config& l) const
{
return ((key() == l.key()) && (m_hostname == l.m_hostname) &&
(m_client_id == l.m_client_id));
}
const dhcp_config::key_t&
dhcp_config::key() const
{
return (m_itf->key());
}
void
dhcp_config::sweep()
{
if (m_binding) {
HW::enqueue(
new dhcp_config_cmds::unbind_cmd(m_binding, m_itf->handle(), m_hostname));
}
HW::write();
}
void
dhcp_config::dump(std::ostream& os)
{
m_db.dump(os);
}
void
dhcp_config::replay()
{
if (m_binding) {
HW::enqueue(new dhcp_config_cmds::bind_cmd(m_binding, m_itf->handle(),
m_hostname, m_client_id));
}
}
std::string
dhcp_config::to_string() const
{
std::ostringstream s;
s << "Dhcp-config: " << m_itf->to_string() << " hostname:" << m_hostname
<< " client_id:[" << m_client_id << "] " << m_binding.to_string();
return (s.str());
}
void
dhcp_config::update(const dhcp_config& desired)
{
/*
* the desired state is always that the interface should be created
*/
if (!m_binding) {
HW::enqueue(new dhcp_config_cmds::bind_cmd(m_binding, m_itf->handle(),
m_hostname, m_client_id));
}
}
std::shared_ptr<dhcp_config>
dhcp_config::find_or_add(const dhcp_config& temp)
{
return (m_db.find_or_add(temp.m_itf->key(), temp));
}
std::shared_ptr<dhcp_config>
dhcp_config::find(const key_t& k)
{
return (m_db.find(k));
}
std::shared_ptr<dhcp_config>
dhcp_config::singular() const
{
return find_or_add(*this);
}
dhcp_config::event_listener::event_listener()
: m_status(rc_t::NOOP)
{
}
HW::item<bool>&
dhcp_config::event_listener::status()
{
return (m_status);
}
dhcp_config::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "dhcp" }, "DHCP configurations", this);
}
void
dhcp_config::event_handler::handle_replay()
{
m_db.replay();
}
void
dhcp_config::event_handler::handle_populate(const client_db::key_t& key)
{
// FIXME
}
dependency_t
dhcp_config::event_handler::order() const
{
return (dependency_t::BINDING);
}
void
dhcp_config::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:
*/
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