misc: deprecate VOM
[vpp.git] / extras / deprecated / vom / vom / nat_static.cpp
diff --git a/extras/deprecated/vom/vom/nat_static.cpp b/extras/deprecated/vom/vom/nat_static.cpp
new file mode 100644 (file)
index 0000000..10660dc
--- /dev/null
@@ -0,0 +1,236 @@
+/*
+ * 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_static.hpp"
+#include "vom/nat_static_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+singular_db<nat_static::key_t, nat_static> nat_static::m_db;
+nat_static::event_handler nat_static::m_evh;
+
+nat_static::nat_static(const boost::asio::ip::address& inside,
+                       const boost::asio::ip::address& outside)
+  : m_hw(false)
+  , m_rd(route_domain::get_default())
+  , m_inside(inside)
+  , m_outside(outside)
+{
+}
+
+nat_static::nat_static(const route_domain& rd,
+                       const boost::asio::ip::address& inside,
+                       const boost::asio::ip::address& outside)
+  : m_hw(false)
+  , m_rd(rd.singular())
+  , m_inside(inside)
+  , m_outside(outside)
+{
+}
+
+nat_static::nat_static(const nat_static& ns)
+  : m_hw(ns.m_hw)
+  , m_rd(ns.m_rd)
+  , m_inside(ns.m_inside)
+  , m_outside(ns.m_outside)
+{
+}
+
+nat_static::~nat_static()
+{
+  sweep();
+
+  // not in the DB anymore.
+  m_db.release(key(), this);
+}
+
+const nat_static::key_t
+nat_static::key() const
+{
+  return (std::make_pair(m_rd->key(), m_outside));
+}
+
+bool
+nat_static::operator==(const nat_static& n) const
+{
+  return ((key() == n.key()) && (m_inside == n.m_inside));
+}
+
+void
+nat_static::sweep()
+{
+  if (m_hw) {
+    if (m_inside.is_v4()) {
+      HW::enqueue(new nat_static_cmds::delete_44_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside.to_v4()));
+    } else {
+      HW::enqueue(new nat_static_cmds::delete_66_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v6(), m_outside.to_v6()));
+    }
+  }
+  HW::write();
+}
+
+void
+nat_static::replay()
+{
+  if (m_hw) {
+    if (m_inside.is_v4()) {
+      HW::enqueue(new nat_static_cmds::create_44_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside.to_v4()));
+    } else {
+      HW::enqueue(new nat_static_cmds::create_66_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v6(), m_outside.to_v6()));
+    }
+  }
+}
+
+void
+nat_static::update(const nat_static& r)
+{
+  /*
+ * create the table if it is not yet created
+ */
+  if (rc_t::OK != m_hw.rc()) {
+    if (m_inside.is_v4()) {
+      HW::enqueue(new nat_static_cmds::create_44_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside.to_v4()));
+    } else {
+      HW::enqueue(new nat_static_cmds::create_66_cmd(
+        m_hw, m_rd->table_id(), m_inside.to_v6(), m_outside.to_v6()));
+    }
+  }
+}
+
+std::string
+nat_static::to_string() const
+{
+  std::ostringstream s;
+  s << "nat-static:["
+    << "table:" << m_rd->to_string() << " inside:" << m_inside.to_string()
+    << " outside:" << m_outside.to_string() << "]";
+
+  return (s.str());
+}
+
+std::shared_ptr<nat_static>
+nat_static::find_or_add(const nat_static& temp)
+{
+  return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<nat_static>
+nat_static::find(const key_t& key)
+{
+  return (m_db.find(key));
+}
+
+std::shared_ptr<nat_static>
+nat_static::singular() const
+{
+  return find_or_add(*this);
+}
+
+void
+nat_static::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+nat_static::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "nat-static" }, "NAT Statics", this);
+}
+
+void
+nat_static::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+void
+nat_static::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /*
+   * dump VPP current states
+   */
+  std::shared_ptr<nat_static_cmds::dump_44_cmd> cmd44 =
+    std::make_shared<nat_static_cmds::dump_44_cmd>();
+
+  HW::enqueue(cmd44);
+  HW::write();
+
+  for (auto& record : *cmd44) {
+
+    auto& payload = record.get_payload();
+
+    boost::asio::ip::address inside = from_bytes(0, payload.local_ip_address);
+    boost::asio::ip::address outside =
+      from_bytes(0, payload.external_ip_address);
+    nat_static n(route_domain(payload.vrf_id), inside, outside);
+
+    /*
+     * Write each of the discovered mappings into the OM,
+     * but disable the HW Command q whilst we do, so that no
+     * commands are sent to VPP
+     */
+    OM::commit(key, n);
+  }
+
+  std::shared_ptr<nat_static_cmds::dump_66_cmd> cmd66 =
+    std::make_shared<nat_static_cmds::dump_66_cmd>();
+
+  HW::enqueue(cmd66);
+  HW::write();
+
+  for (auto& record : *cmd66) {
+
+    auto& payload = record.get_payload();
+
+    boost::asio::ip::address inside = from_bytes(1, payload.local_ip_address);
+    boost::asio::ip::address outside =
+      from_bytes(1, payload.external_ip_address);
+    nat_static n(route_domain(payload.vrf_id), inside, outside);
+
+    /*
+     * Write each of the discovered mappings into the OM,
+     * but disable the HW Command q whilst we do, so that no
+     * commands are sent to VPP
+     */
+    OM::commit(key, n);
+  }
+}
+
+dependency_t
+nat_static::event_handler::order() const
+{
+  return (dependency_t::ENTRY);
+}
+
+void
+nat_static::event_handler::show(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+}
+
+/*
+ * fd.io coding-style-patch-verification: OFF
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */