diff options
Diffstat (limited to 'src/vpp-api/vom/l3_binding.cpp')
-rw-r--r-- | src/vpp-api/vom/l3_binding.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/vpp-api/vom/l3_binding.cpp b/src/vpp-api/vom/l3_binding.cpp new file mode 100644 index 00000000000..0d5f4149e26 --- /dev/null +++ b/src/vpp-api/vom/l3_binding.cpp @@ -0,0 +1,187 @@ +/* + * 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/l3_binding.hpp" +#include "vom/cmd.hpp" + +namespace VOM { +singular_db<l3_binding::key_type_t, l3_binding> l3_binding::m_db; + +l3_binding::event_handler l3_binding::m_evh; + +/** + * Construct a new object matching the desried state + */ +l3_binding::l3_binding(const interface& itf, const route::prefix_t& pfx) + : m_itf(itf.singular()) + , m_pfx(pfx) + , m_binding(true) +{ +} + +l3_binding::l3_binding(const l3_binding& o) + : m_itf(o.m_itf) + , m_pfx(o.m_pfx) + , m_binding(true) +{ +} + +l3_binding::~l3_binding() +{ + sweep(); + + // not in the DB anymore. + m_db.release(make_pair(m_itf->key(), m_pfx), this); +} + +void +l3_binding::sweep() +{ + if (m_binding) { + HW::enqueue(new unbind_cmd(m_binding, m_itf->handle(), m_pfx)); + } + HW::write(); +} + +void +l3_binding::replay() +{ + if (m_binding) { + HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_pfx)); + } +} + +const route::prefix_t& +l3_binding::prefix() const +{ + return (m_pfx); +} + +std::string +l3_binding::to_string() const +{ + std::ostringstream s; + s << "L3-config:[" << m_itf->to_string() << " prefix:" << m_pfx.to_string() + << " " << m_binding.to_string() << "]"; + + return (s.str()); +} + +void +l3_binding::update(const l3_binding& desired) +{ + /* + * the desired state is always that the interface should be created + */ + if (!m_binding) { + HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_pfx)); + } +} + +std::shared_ptr<l3_binding> +l3_binding::find_or_add(const l3_binding& temp) +{ + return (m_db.find_or_add(make_pair(temp.m_itf->key(), temp.m_pfx), temp)); +} + +std::shared_ptr<l3_binding> +l3_binding::singular() const +{ + return find_or_add(*this); +} + +void +l3_binding::dump(std::ostream& os) +{ + m_db.dump(os); +} + +std::ostream& +operator<<(std::ostream& os, const l3_binding::key_type_t& key) +{ + os << "[" << key.first << ", " << key.second << "]"; + + return (os); +} + +std::deque<std::shared_ptr<l3_binding>> +l3_binding::find(const interface& i) +{ + /* + * 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::deque<std::shared_ptr<l3_binding>> l3s; + + 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 (i.key() == key.first) { + l3s.push_back(it->second.lock()); + } + + ++it; + } + + return (l3s); +} + +l3_binding::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "l3" }, "L3 bindings", this); +} + +void +l3_binding::event_handler::handle_replay() +{ + m_db.replay(); +} + +void +l3_binding::event_handler::handle_populate(const client_db::key_t& key) +{ + /** + * This is done while populating the interfaces + */ +} + +dependency_t +l3_binding::event_handler::order() const +{ + return (dependency_t::BINDING); +} + +void +l3_binding::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: + */ |