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Diffstat (limited to 'extras/vom/vom/gbp_subnet.cpp')
| -rw-r--r-- | extras/vom/vom/gbp_subnet.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/extras/vom/vom/gbp_subnet.cpp b/extras/vom/vom/gbp_subnet.cpp new file mode 100644 index 00000000000..1a9ee86e06b --- /dev/null +++ b/extras/vom/vom/gbp_subnet.cpp @@ -0,0 +1,242 @@ +/* + * 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/gbp_subnet.hpp" +#include "vom/gbp_subnet_cmds.hpp" +#include "vom/singular_db_funcs.hpp" + +namespace VOM { + +gbp_subnet::type_t::type_t(int v, const std::string s) + : enum_base<gbp_subnet::type_t>(v, s) +{ +} + +const gbp_subnet::type_t gbp_subnet::type_t::INTERNAL(0, "internal"); +const gbp_subnet::type_t gbp_subnet::type_t::EXTERNAL(1, "external"); + +singular_db<gbp_subnet::key_t, gbp_subnet> gbp_subnet::m_db; + +gbp_subnet::event_handler gbp_subnet::m_evh; + +gbp_subnet::gbp_subnet(const route_domain& rd, const route::prefix_t& prefix) + : m_hw(false) + , m_rd(rd.singular()) + , m_prefix(prefix) + , m_type(type_t::INTERNAL) + , m_recirc(nullptr) + , m_epg(nullptr) +{ +} + +gbp_subnet::gbp_subnet(const route_domain& rd, + const route::prefix_t& prefix, + const gbp_recirc& recirc, + const gbp_endpoint_group& epg) + : m_hw(false) + , m_rd(rd.singular()) + , m_prefix(prefix) + , m_type(type_t::EXTERNAL) + , m_recirc(recirc.singular()) + , m_epg(epg.singular()) +{ +} + +gbp_subnet::gbp_subnet(const gbp_subnet& o) + : m_hw(o.m_hw) + , m_rd(o.m_rd) + , m_prefix(o.m_prefix) + , m_type(o.m_type) + , m_recirc(o.m_recirc) + , m_epg(o.m_epg) +{ +} + +gbp_subnet::~gbp_subnet() +{ + sweep(); + m_db.release(key(), this); +} + +const gbp_subnet::key_t +gbp_subnet::key() const +{ + return (std::make_pair(m_rd->key(), m_prefix)); +} + +bool +gbp_subnet::operator==(const gbp_subnet& gs) const +{ + return ((key() == gs.key()) && (m_type == gs.m_type) && + (m_recirc == gs.m_recirc) && (m_epg == gs.m_epg)); +} + +void +gbp_subnet::sweep() +{ + if (m_hw) { + HW::enqueue( + new gbp_subnet_cmds::delete_cmd(m_hw, m_rd->table_id(), m_prefix)); + } + HW::write(); +} + +void +gbp_subnet::replay() +{ + if (m_hw) { + HW::enqueue(new gbp_subnet_cmds::create_cmd( + m_hw, m_rd->table_id(), m_prefix, (m_type == type_t::INTERNAL), + (m_recirc ? m_recirc->handle() : handle_t::INVALID), + (m_epg ? m_epg->id() : ~0))); + } +} + +std::string +gbp_subnet::to_string() const +{ + std::ostringstream s; + s << "gbp-subnet:[" << m_type.to_string() << ", " << m_rd->to_string() << ":" + << m_prefix.to_string(); + if (m_recirc) + s << ", " << m_recirc->to_string(); + if (m_epg) + s << ", " << m_epg->to_string(); + + s << "]"; + + return (s.str()); +} + +void +gbp_subnet::update(const gbp_subnet& r) +{ + if (rc_t::OK != m_hw.rc()) { + HW::enqueue(new gbp_subnet_cmds::create_cmd( + m_hw, m_rd->table_id(), m_prefix, (m_type == type_t::INTERNAL), + (m_recirc ? m_recirc->handle() : handle_t::INVALID), + (m_epg ? m_epg->id() : ~0))); + } else { + if (m_type != r.m_type) { + m_epg = r.m_epg; + m_recirc = r.m_recirc; + m_type = r.m_type; + + HW::enqueue(new gbp_subnet_cmds::create_cmd( + m_hw, m_rd->table_id(), m_prefix, (m_type == type_t::INTERNAL), + (m_recirc ? m_recirc->handle() : handle_t::INVALID), + (m_epg ? m_epg->id() : ~0))); + } + } +} + +std::shared_ptr<gbp_subnet> +gbp_subnet::find_or_add(const gbp_subnet& temp) +{ + return (m_db.find_or_add(temp.key(), temp)); +} + +std::shared_ptr<gbp_subnet> +gbp_subnet::find(const key_t& k) +{ + return (m_db.find(k)); +} + +std::shared_ptr<gbp_subnet> +gbp_subnet::singular() const +{ + return find_or_add(*this); +} + +void +gbp_subnet::dump(std::ostream& os) +{ + db_dump(m_db, os); +} + +gbp_subnet::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "gbp-subnet" }, "GBP Subnets", this); +} + +void +gbp_subnet::event_handler::handle_replay() +{ + m_db.replay(); +} + +void +gbp_subnet::event_handler::handle_populate(const client_db::key_t& key) +{ + std::shared_ptr<gbp_subnet_cmds::dump_cmd> cmd = + std::make_shared<gbp_subnet_cmds::dump_cmd>(); + + HW::enqueue(cmd); + HW::write(); + + for (auto& record : *cmd) { + auto& payload = record.get_payload(); + + route::prefix_t pfx(payload.subnet.is_ip6, payload.subnet.address, + payload.subnet.address_length); + std::shared_ptr<route_domain> rd = + route_domain::find(payload.subnet.table_id); + + if (rd) { + if (payload.subnet.is_internal) { + gbp_subnet gs(*rd, pfx); + OM::commit(key, gs); + VOM_LOG(log_level_t::DEBUG) << "read: " << gs.to_string(); + } else { + std::shared_ptr<interface> itf = + interface::find(payload.subnet.sw_if_index); + std::shared_ptr<gbp_endpoint_group> epg = + gbp_endpoint_group::find(payload.subnet.epg_id); + + if (itf && epg) { + std::shared_ptr<gbp_recirc> recirc = gbp_recirc::find(itf->key()); + + if (recirc) { + gbp_subnet gs(*rd, pfx, *recirc, *epg); + OM::commit(key, gs); + VOM_LOG(log_level_t::DEBUG) << "read: " << gs.to_string(); + } + } + } + } + } +} + +dependency_t +gbp_subnet::event_handler::order() const +{ + return (dependency_t::ENTRY); +} + +void +gbp_subnet::event_handler::show(std::ostream& os) +{ + db_dump(m_db, os); +} +} // namespace VOM + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |