2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include "vom/nat_binding.hpp"
17 #include "vom/cmd.hpp"
18 #include "vom/nat_binding_cmds.hpp"
19 #include "vom/singular_db_funcs.hpp"
22 singular_db<const nat_binding::key_t, nat_binding> nat_binding::m_db;
24 nat_binding::event_handler nat_binding::m_evh;
26 const nat_binding::zone_t nat_binding::zone_t::INSIDE(0, "inside");
27 const nat_binding::zone_t nat_binding::zone_t::OUTSIDE(0, "outside");
29 nat_binding::zone_t::zone_t(int v, const std::string s)
33 const nat_binding::zone_t&
34 nat_binding::zone_t::from_vpp(u8 is_inside)
37 return zone_t::INSIDE;
38 return zone_t::OUTSIDE;
42 * Construct a new object matching the desried state
44 nat_binding::nat_binding(const interface& itf,
45 const direction_t& dir,
46 const l3_proto_t& proto,
49 , m_itf(itf.singular())
56 nat_binding::nat_binding(const nat_binding& o)
57 : m_binding(o.m_binding)
65 nat_binding::~nat_binding()
68 m_db.release(key(), this);
71 const nat_binding::key_t
72 nat_binding::key() const
74 return (make_tuple(m_itf->key(), m_dir, m_proto));
78 nat_binding::operator==(const nat_binding& n) const
80 return ((key() == n.key()) && (m_zone == n.m_zone));
87 if (direction_t::INPUT == m_dir) {
88 HW::enqueue(new nat_binding_cmds::unbind_44_input_cmd(
89 m_binding, m_itf->handle(), m_zone));
91 HW::enqueue(new nat_binding_cmds::unbind_44_output_cmd(
92 m_binding, m_itf->handle(), m_zone));
102 if (direction_t::INPUT == m_dir) {
103 HW::enqueue(new nat_binding_cmds::bind_44_input_cmd(
104 m_binding, m_itf->handle(), m_zone));
106 HW::enqueue(new nat_binding_cmds::bind_44_output_cmd(
107 m_binding, m_itf->handle(), m_zone));
113 nat_binding::update(const nat_binding& desired)
116 * the desired state is always that the interface should be created
119 if (direction_t::INPUT == m_dir) {
120 HW::enqueue(new nat_binding_cmds::bind_44_input_cmd(
121 m_binding, m_itf->handle(), m_zone));
123 HW::enqueue(new nat_binding_cmds::bind_44_output_cmd(
124 m_binding, m_itf->handle(), m_zone));
130 nat_binding::to_string() const
132 std::ostringstream s;
133 s << "nat-binding:[" << m_itf->to_string()
134 << " direction:" << m_dir.to_string() << " proto:" << m_proto.to_string()
135 << " zone:" << m_zone.to_string() << "]";
140 std::shared_ptr<nat_binding>
141 nat_binding::find_or_add(const nat_binding& temp)
143 return (m_db.find_or_add(temp.key(), temp));
146 std::shared_ptr<nat_binding>
147 nat_binding::find(const key_t& key)
149 return (m_db.find(key));
152 std::shared_ptr<nat_binding>
153 nat_binding::singular() const
155 return find_or_add(*this);
159 nat_binding::dump(std::ostream& os)
165 operator<<(std::ostream& os, const nat_binding::key_t& key)
167 os << "[" << std::get<0>(key) << ", " << std::get<1>(key) << ", "
168 << std::get<2>(key) << "]";
173 nat_binding::event_handler::event_handler()
175 OM::register_listener(this);
176 inspect::register_handler({ "nat-binding" }, "NAT bindings", this);
180 nat_binding::event_handler::handle_replay()
186 nat_binding::event_handler::handle_populate(const client_db::key_t& key)
188 std::shared_ptr<nat_binding_cmds::dump_input_44_cmd> icmd =
189 std::make_shared<nat_binding_cmds::dump_input_44_cmd>();
194 for (auto& record : *icmd) {
195 auto& payload = record.get_payload();
197 std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
198 nat_binding nb(*itf, direction_t::INPUT, l3_proto_t::IPV4,
199 zone_t::from_vpp(payload.is_inside));
203 std::shared_ptr<nat_binding_cmds::dump_output_44_cmd> ocmd =
204 std::make_shared<nat_binding_cmds::dump_output_44_cmd>();
209 for (auto& record : *ocmd) {
210 auto& payload = record.get_payload();
212 std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
213 nat_binding nb(*itf, direction_t::OUTPUT, l3_proto_t::IPV4,
214 zone_t::from_vpp(payload.is_inside));
220 nat_binding::event_handler::order() const
222 return (dependency_t::BINDING);
226 nat_binding::event_handler::show(std::ostream& os)
233 * fd.io coding-style-patch-verification: ON
236 * eval: (c-set-style "mozilla")