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Diffstat (limited to 'extras/vom/vom/bridge_domain.cpp')
| -rw-r--r-- | extras/vom/vom/bridge_domain.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/extras/vom/vom/bridge_domain.cpp b/extras/vom/vom/bridge_domain.cpp new file mode 100644 index 00000000000..b8c89e10bd9 --- /dev/null +++ b/extras/vom/vom/bridge_domain.cpp @@ -0,0 +1,257 @@ +/* + * 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/bridge_domain_cmds.hpp" +#include "vom/interface.hpp" +#include "vom/l2_binding.hpp" +#include "vom/singular_db_funcs.hpp" + +namespace VOM { + +const bridge_domain::learning_mode_t bridge_domain::learning_mode_t::ON(1, + "on"); +const bridge_domain::learning_mode_t bridge_domain::learning_mode_t::OFF(0, + "off"); + +bridge_domain::learning_mode_t::learning_mode_t(int v, const std::string& s) + : enum_base<bridge_domain::learning_mode_t>(v, s) +{ +} + +const bridge_domain::flood_mode_t bridge_domain::flood_mode_t::ON(1, "on"); +const bridge_domain::flood_mode_t bridge_domain::flood_mode_t::OFF(0, "off"); + +bridge_domain::flood_mode_t::flood_mode_t(int v, const std::string& s) + : enum_base<bridge_domain::flood_mode_t>(v, s) +{ +} + +const bridge_domain::mac_age_mode_t bridge_domain::mac_age_mode_t::ON(1, "on"); +const bridge_domain::mac_age_mode_t bridge_domain::mac_age_mode_t::OFF(0, + "off"); + +bridge_domain::mac_age_mode_t::mac_age_mode_t(int v, const std::string& s) + : enum_base<bridge_domain::mac_age_mode_t>(v, s) +{ +} + +const bridge_domain::arp_term_mode_t bridge_domain::arp_term_mode_t::ON(1, + "on"); +const bridge_domain::arp_term_mode_t bridge_domain::arp_term_mode_t::OFF(0, + "off"); + +bridge_domain::arp_term_mode_t::arp_term_mode_t(int v, const std::string& s) + : enum_base<bridge_domain::arp_term_mode_t>(v, s) +{ +} + +/** + * 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, + const learning_mode_t& lmode, + const arp_term_mode_t& amode, + const flood_mode_t& fmode, + const mac_age_mode_t& mmode) + : m_id(id) + , m_learning_mode(lmode) + , m_arp_term_mode(amode) + , m_flood_mode(fmode) + , m_mac_age_mode(mmode) +{ +} + +bridge_domain::bridge_domain(const bridge_domain& o) + : m_id(o.m_id) + , m_learning_mode(o.m_learning_mode) + , m_arp_term_mode(o.m_arp_term_mode) + , m_flood_mode(o.m_flood_mode) + , m_mac_age_mode(o.m_mac_age_mode) +{ +} + +const bridge_domain::key_t& +bridge_domain::key() const +{ + return (m_id.data()); +} + +uint32_t +bridge_domain::id() const +{ + return (m_id.data()); +} + +bool +bridge_domain::operator==(const bridge_domain& b) const +{ + return ((m_learning_mode == b.m_learning_mode) && + (m_flood_mode == b.m_flood_mode) && + (m_mac_age_mode == b.m_mac_age_mode) && + (m_arp_term_mode == b.m_arp_term_mode) && id() == b.id()); +} + +void +bridge_domain::sweep() +{ + if (rc_t::OK == m_id.rc()) { + HW::enqueue(new bridge_domain_cmds::delete_cmd(m_id)); + } + HW::write(); +} + +void +bridge_domain::replay() +{ + if (rc_t::OK == m_id.rc()) { + HW::enqueue(new bridge_domain_cmds::create_cmd( + m_id, m_learning_mode, m_arp_term_mode, m_flood_mode, m_mac_age_mode)); + } +} + +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() + << " learning-mode:" << m_learning_mode.to_string() << "]"; + + return (s.str()); +} + +std::shared_ptr<bridge_domain> +bridge_domain::find(const key_t& key) +{ + return (m_db.find(key)); +} + +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 bridge_domain_cmds::create_cmd( + m_id, m_learning_mode, m_arp_term_mode, m_flood_mode, m_mac_age_mode)); + } +} + +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) +{ + db_dump(m_db, os); +} + +void +bridge_domain::event_handler::handle_populate(const client_db::key_t& key) +{ + /* + * dump VPP Bridge domains + */ + std::shared_ptr<bridge_domain_cmds::dump_cmd> cmd = + std::make_shared<bridge_domain_cmds::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 bridge-domains 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); + if (itf) { + 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) +{ + db_dump(m_db, os); +} +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |