GBP V2

update the GBP plugin to implement the full NAT feature set of opflex agent

Change-Id: Ic06a039c889445ed0b9087fa1f292634192b0f8d
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/src/vpp-api/vom/gbp_recirc.cpp b/src/vpp-api/vom/gbp_recirc.cpp
new file mode 100644
index 00000000000..250e3048f8a
--- /dev/null
+++ b/src/vpp-api/vom/gbp_recirc.cpp
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2018 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/gbp_recirc.hpp"
+#include "vom/gbp_recirc_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+
+gbp_recirc::type_t::type_t(int v, const std::string s)
+  : enum_base<gbp_recirc::type_t>(v, s)
+{
+}
+
+const gbp_recirc::type_t gbp_recirc::type_t::INTERNAL(0, "internal");
+const gbp_recirc::type_t gbp_recirc::type_t::EXTERNAL(1, "external");
+
+singular_db<gbp_recirc::key_t, gbp_recirc> gbp_recirc::m_db;
+
+gbp_recirc::event_handler gbp_recirc::m_evh;
+
+gbp_recirc::gbp_recirc(const interface& itf,
+                       const type_t& type,
+                       const gbp_endpoint_group& epg)
+  : m_hw(false)
+  , m_itf(itf.singular())
+  , m_type(type)
+  , m_epg(epg.singular())
+{
+}
+
+gbp_recirc::gbp_recirc(const gbp_recirc& gbpe)
+  : m_hw(gbpe.m_hw)
+  , m_itf(gbpe.m_itf)
+  , m_type(gbpe.m_type)
+  , m_epg(gbpe.m_epg)
+{
+}
+
+gbp_recirc::~gbp_recirc()
+{
+  sweep();
+  m_db.release(key(), this);
+}
+
+const gbp_recirc::key_t
+gbp_recirc::key() const
+{
+  return (m_itf->key());
+}
+
+const handle_t&
+gbp_recirc::handle() const
+{
+  return m_itf->handle();
+}
+
+bool
+gbp_recirc::operator==(const gbp_recirc& gbpe) const
+{
+  return ((key() == gbpe.key()) && (m_type == gbpe.m_type) &&
+          (m_itf == gbpe.m_itf) && (m_epg == gbpe.m_epg));
+}
+
+void
+gbp_recirc::sweep()
+{
+  if (m_hw) {
+    HW::enqueue(new gbp_recirc_cmds::delete_cmd(m_hw, m_itf->handle()));
+  }
+  HW::write();
+}
+
+void
+gbp_recirc::replay()
+{
+  if (m_hw) {
+    HW::enqueue(new gbp_recirc_cmds::create_cmd(
+      m_hw, m_itf->handle(), (m_type == type_t::EXTERNAL), m_epg->id()));
+  }
+}
+
+std::string
+gbp_recirc::to_string() const
+{
+  std::ostringstream s;
+  s << "gbp-recirc:[" << m_itf->to_string() << ", type:" << m_type.to_string()
+    << ", " << m_epg->to_string() << "]";
+
+  return (s.str());
+}
+
+void
+gbp_recirc::update(const gbp_recirc& r)
+{
+  if (rc_t::OK != m_hw.rc()) {
+    HW::enqueue(new gbp_recirc_cmds::create_cmd(
+      m_hw, m_itf->handle(), (m_type == type_t::EXTERNAL), m_epg->id()));
+  }
+}
+
+std::shared_ptr<gbp_recirc>
+gbp_recirc::find_or_add(const gbp_recirc& temp)
+{
+  return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<gbp_recirc>
+gbp_recirc::find(const key_t& k)
+{
+  return (m_db.find(k));
+}
+
+std::shared_ptr<gbp_recirc>
+gbp_recirc::singular() const
+{
+  return find_or_add(*this);
+}
+
+void
+gbp_recirc::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+gbp_recirc::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "gbp-recirc" }, "GBP Recircs", this);
+}
+
+void
+gbp_recirc::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+void
+gbp_recirc::event_handler::handle_populate(const client_db::key_t& key)
+{
+  std::shared_ptr<gbp_recirc_cmds::dump_cmd> cmd =
+    std::make_shared<gbp_recirc_cmds::dump_cmd>();
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& record : *cmd) {
+    auto& payload = record.get_payload();
+
+    std::shared_ptr<interface> itf =
+      interface::find(payload.recirc.sw_if_index);
+    std::shared_ptr<gbp_endpoint_group> epg =
+      gbp_endpoint_group::find(payload.recirc.epg_id);
+
+    VOM_LOG(log_level_t::DEBUG) << "data: [" << payload.recirc.sw_if_index
+                                << ", " << payload.recirc.epg_id << "]";
+
+    if (itf && epg) {
+      gbp_recirc recirc(
+        *itf, (payload.recirc.is_ext ? type_t::EXTERNAL : type_t::INTERNAL),
+        *epg);
+      OM::commit(key, recirc);
+
+      VOM_LOG(log_level_t::DEBUG) << "read: " << recirc.to_string();
+    }
+  }
+}
+
+dependency_t
+gbp_recirc::event_handler::order() const
+{
+  return (dependency_t::BINDING);
+}
+
+void
+gbp_recirc::event_handler::show(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+} // namespace VOM
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */