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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.hpp"
#include "vom/cmd.hpp"
#include "vom/interface.hpp"
#include "vom/l2_binding.hpp"
#include "vom/logger.hpp"
namespace VOM {
/**
* A DB of al the interfaces, key on the name
*/
singular_db<uint32_t, bridge_domain> bridge_domain::m_db;
bridge_domain::event_handler bridge_domain::m_evh;
/**
* Construct a new object matching the desried state
*/
bridge_domain::bridge_domain(uint32_t id)
: m_id(id)
{
}
bridge_domain::bridge_domain(const bridge_domain& o)
: m_id(o.m_id)
{
}
uint32_t
bridge_domain::id() const
{
return (m_id.data());
}
void
bridge_domain::sweep()
{
if (rc_t::OK == m_id.rc()) {
HW::enqueue(new delete_cmd(m_id));
}
HW::write();
}
void
bridge_domain::replay()
{
if (rc_t::OK == m_id.rc()) {
HW::enqueue(new create_cmd(m_id));
}
}
bridge_domain::~bridge_domain()
{
sweep();
// not in the DB anymore.
m_db.release(m_id.data(), this);
}
std::string
bridge_domain::to_string() const
{
std::ostringstream s;
s << "bridge-domain:[" << m_id.to_string() << "]";
return (s.str());
}
std::shared_ptr<bridge_domain>
bridge_domain::find(uint32_t id)
{
/*
* Loop throught the entire map looking for matching interface.
* not the most efficient algorithm, but it will do for now. The
* number of L3 configs is low and this is only called during bootup
*/
std::shared_ptr<bridge_domain> bd;
auto it = m_db.cbegin();
while (it != m_db.cend()) {
/*
* The key in the DB is a pair of the interface's name and prefix.
* If the keys match, save the L3-config
*/
auto key = it->first;
if (id == key) {
bd = it->second.lock();
break;
}
++it;
}
return (bd);
}
void
bridge_domain::update(const bridge_domain& desired)
{
/*
* the desired state is always that the interface should be created
*/
if (rc_t::OK != m_id.rc()) {
HW::enqueue(new create_cmd(m_id));
}
}
std::shared_ptr<bridge_domain>
bridge_domain::find_or_add(const bridge_domain& temp)
{
return (m_db.find_or_add(temp.m_id.data(), temp));
}
std::shared_ptr<bridge_domain>
bridge_domain::singular() const
{
return find_or_add(*this);
}
void
bridge_domain::dump(std::ostream& os)
{
m_db.dump(os);
}
void
bridge_domain::event_handler::handle_populate(const client_db::key_t& key)
{
/*
* dump VPP Bridge domains
*/
std::shared_ptr<bridge_domain::dump_cmd> cmd(new bridge_domain::dump_cmd());
HW::enqueue(cmd);
HW::write();
for (auto& record : *cmd) {
auto& payload = record.get_payload();
bridge_domain bd(payload.bd_id);
VOM_LOG(log_level_t::DEBUG) << "dump: " << bd.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);
/**
* For each interface in the BD construct an l2_binding
*/
for (unsigned int ii = 0; ii < payload.n_sw_ifs; ii++) {
std::shared_ptr<interface> itf =
interface::find(payload.sw_if_details[ii].sw_if_index);
l2_binding l2(*itf, bd);
OM::commit(key, l2);
}
}
}
bridge_domain::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "bd", "bridge" }, "Bridge Domains", this);
}
void
bridge_domain::event_handler::handle_replay()
{
m_db.replay();
}
dependency_t
bridge_domain::event_handler::order() const
{
return (dependency_t::TABLE);
}
void
bridge_domain::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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