diff options
Diffstat (limited to 'extras/vom/vom/bridge_domain_entry.cpp')
-rw-r--r-- | extras/vom/vom/bridge_domain_entry.cpp | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/extras/vom/vom/bridge_domain_entry.cpp b/extras/vom/vom/bridge_domain_entry.cpp new file mode 100644 index 00000000000..241de953771 --- /dev/null +++ b/extras/vom/vom/bridge_domain_entry.cpp @@ -0,0 +1,224 @@ +/* + * 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" +#include "vom/singular_db_funcs.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(), interface::type_t::BVI == m_tx_itf->type())); + } + 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(), + interface::type_t::BVI == m_tx_itf->type())); + } +} +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(), + interface::type_t::BVI == m_tx_itf->type())); + } +} + +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) +{ + db_dump(m_db, 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) +{ + db_dump(m_db, 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: + */ |