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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/bridge_domain_entry.hpp"
#include "vom/bridge_domain_entry_cmds.hpp"
namespace VOM {
singular_db<bridge_domain_entry::key_t, bridge_domain_entry>
bridge_domain_entry::m_db;
bridge_domain_entry::event_handler bridge_domain_entry::m_evh;
bridge_domain_entry::bridge_domain_entry(const bridge_domain& bd,
const mac_address_t& mac,
const interface& tx_itf)
: m_hw(false)
, m_mac(mac)
, m_bd(bd.singular())
, m_tx_itf(tx_itf.singular())
{
}
bridge_domain_entry::bridge_domain_entry(const mac_address_t& mac,
const interface& tx_itf)
: m_hw(false)
, m_mac(mac)
, m_bd(nullptr)
, m_tx_itf(tx_itf.singular())
{
/*
* the entry goes in the default bridge-domain
*/
bridge_domain bd(bridge_domain::DEFAULT_TABLE);
m_bd = bd.singular();
}
bridge_domain_entry::bridge_domain_entry(const bridge_domain_entry& bde)
: m_hw(bde.m_hw)
, m_mac(bde.m_mac)
, m_bd(bde.m_bd)
, m_tx_itf(bde.m_tx_itf)
{
}
const bridge_domain_entry::key_t
bridge_domain_entry::key() const
{
return (std::make_pair(m_bd->key(), m_mac));
}
bool
bridge_domain_entry::operator==(const bridge_domain_entry& bde) const
{
return ((key() == bde.key()) && (m_tx_itf == bde.m_tx_itf));
}
bridge_domain_entry::~bridge_domain_entry()
{
sweep();
// not in the DB anymore.
m_db.release(key(), this);
}
void
bridge_domain_entry::sweep()
{
if (m_hw) {
HW::enqueue(
new bridge_domain_entry_cmds::delete_cmd(m_hw, m_mac, m_bd->id()));
}
HW::write();
}
void
bridge_domain_entry::replay()
{
if (m_hw) {
HW::enqueue(new bridge_domain_entry_cmds::create_cmd(
m_hw, m_mac, m_bd->id(), m_tx_itf->handle()));
}
}
std::string
bridge_domain_entry::to_string() const
{
std::ostringstream s;
s << "bridge-domain-entry:[" << m_bd->to_string() << ", " << m_mac.to_string()
<< ", tx:" << m_tx_itf->name() << "]";
return (s.str());
}
void
bridge_domain_entry::update(const bridge_domain_entry& r)
{
/*
* create the table if it is not yet created
*/
if (rc_t::OK != m_hw.rc()) {
HW::enqueue(new bridge_domain_entry_cmds::create_cmd(
m_hw, m_mac, m_bd->id(), m_tx_itf->handle()));
}
}
std::shared_ptr<bridge_domain_entry>
bridge_domain_entry::find_or_add(const bridge_domain_entry& temp)
{
return (m_db.find_or_add(temp.key(), temp));
}
std::shared_ptr<bridge_domain_entry>
bridge_domain_entry::find(const key_t& k)
{
return (m_db.find(k));
}
std::shared_ptr<bridge_domain_entry>
bridge_domain_entry::singular() const
{
return find_or_add(*this);
}
void
bridge_domain_entry::dump(std::ostream& os)
{
m_db.dump(os);
}
bridge_domain_entry::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "bd-entry" },
"bridge domain entry configurations", this);
}
void
bridge_domain_entry::event_handler::handle_replay()
{
m_db.replay();
}
void
bridge_domain_entry::event_handler::handle_populate(const client_db::key_t& key)
{
std::shared_ptr<bridge_domain_entry_cmds::dump_cmd> cmd =
std::make_shared<bridge_domain_entry_cmds::dump_cmd>();
HW::enqueue(cmd);
HW::write();
for (auto& record : *cmd) {
auto& payload = record.get_payload();
std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
std::shared_ptr<bridge_domain> bd = bridge_domain::find(payload.bd_id);
if (!bd || !itf) {
VOM_LOG(log_level_t::ERROR) << "bridge-domain-entry dump:"
<< " itf:" << payload.sw_if_index
<< " bd:" << payload.bd_id;
continue;
}
mac_address_t mac(payload.mac);
bridge_domain_entry bd_e(*bd, mac, *itf);
VOM_LOG(log_level_t::DEBUG) << "bridge-domain-entry dump:"
<< " " << bd->to_string() << " "
<< itf->to_string() << " mac:["
<< mac.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, bd_e);
}
}
dependency_t
bridge_domain_entry::event_handler::order() const
{
return (dependency_t::ENTRY);
}
void
bridge_domain_entry::event_handler::show(std::ostream& os)
{
m_db.dump(os);
}
std::ostream&
operator<<(std::ostream& os, const bridge_domain_entry::key_t& key)
{
os << "[" << key.first << ", " << key.second.to_string() << "]";
return (os);
}
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
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