1 files changed, 296 insertions, 0 deletions
diff --git a/extras/deprecated/vom/vom/nat_binding.cpp b/extras/deprecated/vom/vom/nat_binding.cpp
new file mode 100644
index 00000000000..dda7e7802e7
--- /dev/null
+++ b/extras/deprecated/vom/vom/nat_binding.cpp
@@ -0,0 +1,296 @@
+/*
+ * 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);
+
+    if (itf) {
+      nat_binding nb(*itf, direction_t::INPUT, l3_proto_t::IPV4,
+                     zone_t::from_vpp(payload.flags & NAT_IS_INSIDE));
+      OM::commit(key, nb);
+    } else {
+      VOM_LOG(log_level_t::ERROR) << "nat-binding-input-44 no sw_if_index: "
+                                  << payload.sw_if_index;
+    }
+  }
+
+  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);
+    if (itf) {
+      nat_binding nb(*itf, direction_t::OUTPUT, l3_proto_t::IPV4,
+                     zone_t::from_vpp(payload.flags & NAT_IS_INSIDE));
+      OM::commit(key, nb);
+    } else {
+      VOM_LOG(log_level_t::ERROR) << "nat-binding-output-44 no sw_if_index: "
+                                  << payload.sw_if_index;
+    }
+  }
+
+  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);
+    if (itf) {
+      nat_binding nb(*itf, direction_t::INPUT, l3_proto_t::IPV6,
+                     zone_t::from_vpp(payload.flags & NAT_IS_INSIDE));
+      OM::commit(key, nb);
+    } else {
+      VOM_LOG(log_level_t::ERROR) << "nat-binding-input-66 no sw_if_index: "
+                                  << payload.sw_if_index;
+    }
+  }
+}
+
+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: OFF
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */