diff options
Diffstat (limited to 'extras/vom/vom/l2_xconnect.cpp')
| -rw-r--r-- | extras/vom/vom/l2_xconnect.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/extras/vom/vom/l2_xconnect.cpp b/extras/vom/vom/l2_xconnect.cpp new file mode 100644 index 00000000000..83d6541fad4 --- /dev/null +++ b/extras/vom/vom/l2_xconnect.cpp @@ -0,0 +1,210 @@ +/* + * Copyright (c) 2018 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/l2_xconnect.hpp" +#include "vom/l2_xconnect_cmds.hpp" +#include "vom/singular_db_funcs.hpp" + +namespace VOM { +/** + * A DB of all the L2 x-connect Configs + */ +singular_db<l2_xconnect::key_t, l2_xconnect> l2_xconnect::m_db; + +l2_xconnect::event_handler l2_xconnect::m_evh; + +/** + * Construct a new object matching the desried state + */ +l2_xconnect::l2_xconnect(const interface& east_itf, const interface& west_itf) + : m_east_itf(east_itf.singular()) + , m_west_itf(west_itf.singular()) + , m_xconnect_east(0) + , m_xconnect_west(0) +{ +} + +l2_xconnect::l2_xconnect(const l2_xconnect& o) + : m_east_itf(o.m_east_itf) + , m_west_itf(o.m_west_itf) + , m_xconnect_east(o.m_xconnect_east) + , m_xconnect_west(o.m_xconnect_west) +{ +} + +const l2_xconnect::key_t +l2_xconnect::key() const +{ + if (m_east_itf->name() < m_west_itf->name()) + return (std::make_pair(m_east_itf->key(), m_west_itf->key())); + return (std::make_pair(m_west_itf->key(), m_east_itf->key())); +} + +bool +l2_xconnect::operator==(const l2_xconnect& l) const +{ + return ((*m_east_itf == *l.m_east_itf) && (*m_west_itf == *l.m_west_itf)); +} + +std::shared_ptr<l2_xconnect> +l2_xconnect::find(const key_t& key) +{ + return (m_db.find(key)); +} + +void +l2_xconnect::sweep() +{ + if (m_xconnect_east && m_xconnect_west && + handle_t::INVALID != m_east_itf->handle() && + handle_t::INVALID != m_west_itf->handle()) { + HW::enqueue(new l2_xconnect_cmds::unbind_cmd( + m_xconnect_east, m_east_itf->handle(), m_west_itf->handle())); + HW::enqueue(new l2_xconnect_cmds::unbind_cmd( + m_xconnect_west, m_west_itf->handle(), m_east_itf->handle())); + } + + HW::write(); +} + +void +l2_xconnect::replay() +{ + if (m_xconnect_east && m_xconnect_west && + handle_t::INVALID != m_east_itf->handle() && + handle_t::INVALID != m_west_itf->handle()) { + HW::enqueue(new l2_xconnect_cmds::bind_cmd( + m_xconnect_east, m_east_itf->handle(), m_west_itf->handle())); + HW::enqueue(new l2_xconnect_cmds::bind_cmd( + m_xconnect_west, m_west_itf->handle(), m_east_itf->handle())); + } +} + +l2_xconnect::~l2_xconnect() +{ + sweep(); + + // not in the DB anymore. + m_db.release(key(), this); +} + +std::string +l2_xconnect::to_string() const +{ + std::ostringstream s; + s << "L2-xconnect:[" << m_east_itf->to_string() << " " + << m_west_itf->to_string() << " " << m_xconnect_east.to_string() << " " + << m_xconnect_west.to_string() << "]"; + + return (s.str()); +} + +void +l2_xconnect::update(const l2_xconnect& desired) +{ + /* + * the desired state is always that the interface should be created + */ + if (rc_t::OK != m_xconnect_east.rc() && rc_t::OK != m_xconnect_west.rc()) { + HW::enqueue(new l2_xconnect_cmds::bind_cmd( + m_xconnect_east, m_east_itf->handle(), m_west_itf->handle())); + HW::enqueue(new l2_xconnect_cmds::bind_cmd( + m_xconnect_west, m_west_itf->handle(), m_east_itf->handle())); + } +} + +std::shared_ptr<l2_xconnect> +l2_xconnect::find_or_add(const l2_xconnect& temp) +{ + return (m_db.find_or_add(temp.key(), temp)); +} + +std::shared_ptr<l2_xconnect> +l2_xconnect::singular() const +{ + return find_or_add(*this); +} + +void +l2_xconnect::dump(std::ostream& os) +{ + db_dump(m_db, os); +} + +l2_xconnect::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "l2-xconnect" }, "L2 xconnects", this); +} + +void +l2_xconnect::event_handler::handle_replay() +{ + m_db.replay(); +} + +void +l2_xconnect::event_handler::handle_populate(const client_db::key_t& key) +{ + /** + * This needs to be done here + */ + std::shared_ptr<l2_xconnect_cmds::dump_cmd> cmd = + std::make_shared<l2_xconnect_cmds::dump_cmd>(); + + HW::enqueue(cmd); + HW::write(); + + for (auto& x_record : *cmd) { + auto& payload = x_record.get_payload(); + + VOM_LOG(log_level_t::DEBUG) << "l2-xconnect dump: " + << " east-itf: " << payload.rx_sw_if_index + << " west-itf: " << payload.tx_sw_if_index; + + std::shared_ptr<interface> east_itf = + interface::find(payload.rx_sw_if_index); + std::shared_ptr<interface> west_itf = + interface::find(payload.tx_sw_if_index); + + if (east_itf && west_itf) { + if (east_itf->name() > west_itf->name()) + continue; + l2_xconnect l2_xc(*east_itf, *west_itf); + OM::commit(key, l2_xc); + } + } +} + +dependency_t +l2_xconnect::event_handler::order() const +{ + return (dependency_t::BINDING); +} + +void +l2_xconnect::event_handler::show(std::ostream& os) +{ + db_dump(m_db, os); +} +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |