--- /dev/null
+/*
+ * 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/nat_binding.hpp"
+#include "vom/cmd.hpp"
+#include "vom/nat_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+singular_db<const nat_binding::key_t, nat_binding> nat_binding::m_db;
+
+nat_binding::event_handler nat_binding::m_evh;
+
+const nat_binding::zone_t nat_binding::zone_t::INSIDE(0, "inside");
+const nat_binding::zone_t nat_binding::zone_t::OUTSIDE(0, "outside");
+
+nat_binding::zone_t::zone_t(int v, const std::string s)
+ : enum_base(v, s)
+{
+}
+const nat_binding::zone_t&
+nat_binding::zone_t::from_vpp(u8 is_inside)
+{
+ if (is_inside)
+ return zone_t::INSIDE;
+ return zone_t::OUTSIDE;
+}
+
+/**
+ * Construct a new object matching the desried state
+ */
+nat_binding::nat_binding(const interface& itf,
+ const direction_t& dir,
+ const l3_proto_t& proto,
+ const zone_t& zone)
+ : m_binding(false)
+ , m_itf(itf.singular())
+ , m_dir(dir)
+ , m_proto(proto)
+ , m_zone(zone)
+{
+}
+
+nat_binding::nat_binding(const nat_binding& o)
+ : m_binding(o.m_binding)
+ , m_itf(o.m_itf)
+ , m_dir(o.m_dir)
+ , m_proto(o.m_proto)
+ , m_zone(o.m_zone)
+{
+}
+
+nat_binding::~nat_binding()
+{
+ sweep();
+ m_db.release(key(), this);
+}
+
+const nat_binding::key_t
+nat_binding::key() const
+{
+ return (make_tuple(m_itf->key(), m_dir, m_proto));
+}
+
+bool
+nat_binding::operator==(const nat_binding& n) const
+{
+ return ((key() == n.key()) && (m_zone == n.m_zone));
+}
+
+void
+nat_binding::sweep()
+{
+ if (m_binding) {
+ if (direction_t::INPUT == m_dir) {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::unbind_44_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ HW::enqueue(new nat_binding_cmds::unbind_66_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ }
+ } else {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::unbind_44_output_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ VOM_LOG(log_level_t::ERROR) << "NAT 66 output feature not supported";
+ }
+ }
+ }
+ HW::write();
+}
+
+void
+nat_binding::replay()
+{
+ if (m_binding) {
+ if (direction_t::INPUT == m_dir) {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::bind_44_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ HW::enqueue(new nat_binding_cmds::bind_66_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ }
+ } else {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::bind_44_output_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ VOM_LOG(log_level_t::ERROR) << "NAT 66 output feature not supported";
+ }
+ }
+ }
+}
+
+void
+nat_binding::update(const nat_binding& desired)
+{
+ /*
+ * the desired state is always that the interface should be created
+ */
+ if (!m_binding) {
+ if (direction_t::INPUT == m_dir) {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::bind_44_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ HW::enqueue(new nat_binding_cmds::bind_66_input_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ }
+ } else {
+ if (l3_proto_t::IPV4 == m_proto) {
+ HW::enqueue(new nat_binding_cmds::bind_44_output_cmd(
+ m_binding, m_itf->handle(), m_zone));
+ } else {
+ VOM_LOG(log_level_t::ERROR) << "NAT 66 output feature not supported";
+ }
+ }
+ }
+}
+
+std::string
+nat_binding::to_string() const
+{
+ std::ostringstream s;
+ s << "nat-binding:[" << m_itf->to_string()
+ << " direction:" << m_dir.to_string() << " proto:" << m_proto.to_string()
+ << " zone:" << m_zone.to_string() << "]";
+
+ return (s.str());
+}
+
+std::shared_ptr<nat_binding>
+nat_binding::find_or_add(const nat_binding& temp)
+{
+ return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<nat_binding>
+nat_binding::find(const key_t& key)
+{
+ return (m_db.find(key));
+}
+
+std::shared_ptr<nat_binding>
+nat_binding::singular() const
+{
+ return find_or_add(*this);
+}
+
+void
+nat_binding::dump(std::ostream& os)
+{
+ db_dump(m_db, os);
+}
+
+std::ostream&
+operator<<(std::ostream& os, const nat_binding::key_t& key)
+{
+ os << "[" << std::get<0>(key) << ", " << std::get<1>(key) << ", "
+ << std::get<2>(key) << "]";
+
+ return (os);
+}
+
+nat_binding::event_handler::event_handler()
+{
+ OM::register_listener(this);
+ inspect::register_handler({ "nat-binding" }, "NAT bindings", this);
+}
+
+void
+nat_binding::event_handler::handle_replay()
+{
+ m_db.replay();
+}
+
+void
+nat_binding::event_handler::handle_populate(const client_db::key_t& key)
+{
+ std::shared_ptr<nat_binding_cmds::dump_input_44_cmd> icmd =
+ std::make_shared<nat_binding_cmds::dump_input_44_cmd>();
+
+ HW::enqueue(icmd);
+ HW::write();
+
+ for (auto& record : *icmd) {
+ auto& payload = record.get_payload();
+
+ std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
+ nat_binding nb(*itf, direction_t::INPUT, l3_proto_t::IPV4,
+ zone_t::from_vpp(payload.is_inside));
+ OM::commit(key, nb);
+ }
+
+ std::shared_ptr<nat_binding_cmds::dump_output_44_cmd> ocmd =
+ std::make_shared<nat_binding_cmds::dump_output_44_cmd>();
+
+ HW::enqueue(ocmd);
+ HW::write();
+
+ for (auto& record : *ocmd) {
+ auto& payload = record.get_payload();
+
+ std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
+ nat_binding nb(*itf, direction_t::OUTPUT, l3_proto_t::IPV4,
+ zone_t::from_vpp(payload.is_inside));
+ OM::commit(key, nb);
+ }
+
+ std::shared_ptr<nat_binding_cmds::dump_input_66_cmd> i6cmd =
+ std::make_shared<nat_binding_cmds::dump_input_66_cmd>();
+
+ HW::enqueue(i6cmd);
+ HW::write();
+
+ for (auto& record : *i6cmd) {
+ auto& payload = record.get_payload();
+
+ std::shared_ptr<interface> itf = interface::find(payload.sw_if_index);
+ nat_binding nb(*itf, direction_t::INPUT, l3_proto_t::IPV6,
+ zone_t::from_vpp(payload.is_inside));
+ OM::commit(key, nb);
+ }
+}
+
+dependency_t
+nat_binding::event_handler::order() const
+{
+ return (dependency_t::BINDING);
+}
+
+void
+nat_binding::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:
+ */
Code Review / vpp.git / blobdiff