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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/nat_static.hpp"
namespace VOM {
singular_db<nat_static::key_t, nat_static> nat_static::m_db;
nat_static::event_handler nat_static::m_evh;
nat_static::nat_static(const boost::asio::ip::address& inside,
const boost::asio::ip::address_v4& outside)
: m_hw(false)
, m_rd(route_domain::get_default())
, m_inside(inside)
, m_outside(outside)
{
}
nat_static::nat_static(const route_domain& rd,
const boost::asio::ip::address& inside,
const boost::asio::ip::address_v4& outside)
: m_hw(false)
, m_rd(rd.singular())
, m_inside(inside)
, m_outside(outside)
{
}
nat_static::nat_static(const nat_static& ns)
: m_hw(ns.m_hw)
, m_rd(ns.m_rd)
, m_inside(ns.m_inside)
, m_outside(ns.m_outside)
{
}
nat_static::~nat_static()
{
sweep();
// not in the DB anymore.
m_db.release(std::make_pair(m_rd->key(), m_outside), this);
}
void
nat_static::sweep()
{
if (m_hw) {
if (m_inside.is_v4()) {
HW::enqueue(
new delete_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
}
}
HW::write();
}
void
nat_static::replay()
{
if (m_hw) {
if (m_inside.is_v4()) {
HW::enqueue(
new create_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
}
}
}
void
nat_static::update(const nat_static& r)
{
/*
* create the table if it is not yet created
*/
if (rc_t::OK != m_hw.rc()) {
if (m_inside.is_v4()) {
HW::enqueue(
new create_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
}
}
}
std::string
nat_static::to_string() const
{
std::ostringstream s;
s << "nat-static:["
<< "table:" << m_rd->to_string() << " inside: " << m_inside.to_string()
<< " outside " << m_outside.to_string() << "]";
return (s.str());
}
std::shared_ptr<nat_static>
nat_static::find_or_add(const nat_static& temp)
{
return (
m_db.find_or_add(std::make_pair(temp.m_rd->key(), temp.m_outside), temp));
}
std::shared_ptr<nat_static>
nat_static::singular() const
{
return find_or_add(*this);
}
void
nat_static::dump(std::ostream& os)
{
m_db.dump(os);
}
std::ostream&
operator<<(std::ostream& os, const nat_static::key_t& key)
{
os << "[" << key.first << ", " << key.second << "]";
return (os);
}
nat_static::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "nat-static" }, "NAT Statics", this);
}
void
nat_static::event_handler::handle_replay()
{
m_db.replay();
}
/* void nat_static::populate_i(const client_db::key_t &key, */
/* std::shared_ptr<interface> itf, */
/* const l3_proto_t &proto) */
/* { */
/* /\* */
/* * dump VPP current states */
/* *\/ */
/* std::shared_ptr<nat_static::dump_cmd> cmd = */
/* std::make_shared<nat_static::dump_cmd>(nat_static::dump_cmd(itf->handle(),
* proto)); */
/* HW::enqueue(cmd); */
/* HW::write(); */
/* for (auto & record : *cmd) */
/* { */
/* /\* */
/* * construct a nat_static from each recieved record. */
/* *\/ */
/* auto &payload = record.get_payload(); */
/* mac_address_t mac(payload.mac_address); */
/* boost::asio::ip::address ip_addr = from_bytes(payload.is_ipv6, */
/* payload.ip_address);
*/
/* nat_static n(*itf, mac, ip_addr); */
/* VOM_LOG(log_level_t::DEBUG) << "nat_static-dump: " */
/* << itf->to_string() */
/* << mac.to_string() */
/* << ip_addr.to_string(); */
/* /\* */
/* * Write each of the discovered interfaces into the OM, */
/* * but disable the HW Command q whilst we do, so that no */
/* * commands are sent to VPP */
/* *\/ */
/* OM::commit(key, n); */
/* } */
/* } */
void
nat_static::event_handler::handle_populate(const client_db::key_t& key)
{
/* auto it = interface::cbegin(); */
/* while (it != interface::cend()) */
/* { */
/* nat_static::populate_i(key, it->second.lock(), l3_proto_t::IPV4);
*/
/* nat_static::populate_i(key, it->second.lock(), l3_proto_t::IPV6);
*/
/* ++it; */
/* } */
}
dependency_t
nat_static::event_handler::order() const
{
return (dependency_t::ENTRY);
}
void
nat_static::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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