GBP Endpoint Learning

[vpp.git] / extras / vom / vom / gbp_vxlan.cpp

diff --git a/extras/vom/vom/gbp_vxlan.cpp b/extras/vom/vom/gbp_vxlan.cpp
new file mode 100644 (file)
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+++ b/extras/vom/vom/gbp_vxlan.cpp
@@ -0,0 +1,231 @@
+/*
+ * 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/gbp_vxlan.hpp"
+#include "vom/gbp_vxlan_cmds.hpp"
+#include "vom/interface.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+
+const std::string GBP_VXLAN_NAME = "gbp-vxlan";
+
+/**
+ * A DB of al the interfaces, key on the name
+ */
+singular_db<gbp_vxlan::key_t, gbp_vxlan> gbp_vxlan::m_db;
+
+gbp_vxlan::event_handler gbp_vxlan::m_evh;
+
+gbp_vxlan::gbp_vxlan(uint32_t vni, const gbp_route_domain& grd)
+  : interface(mk_name(vni),
+              interface::type_t::UNKNOWN,
+              interface::admin_state_t::UP)
+  , m_vni(vni)
+  , m_gbd()
+  , m_grd(grd.singular())
+{
+}
+gbp_vxlan::gbp_vxlan(uint32_t vni, const gbp_bridge_domain& gbd)
+  : interface(mk_name(vni),
+              interface::type_t::UNKNOWN,
+              interface::admin_state_t::UP)
+  , m_vni(vni)
+  , m_gbd(gbd.singular())
+  , m_grd()
+{
+}
+
+gbp_vxlan::gbp_vxlan(const gbp_vxlan& vt)
+  : interface(vt)
+  , m_vni(vt.m_vni)
+  , m_gbd(vt.m_gbd)
+  , m_grd(vt.m_grd)
+{
+}
+
+std::string
+gbp_vxlan::mk_name(uint32_t vni)
+{
+  std::ostringstream s;
+
+  s << GBP_VXLAN_NAME << "-" << vni;
+
+  return (s.str());
+}
+
+const gbp_vxlan::key_t
+gbp_vxlan::key() const
+{
+  return (m_vni);
+}
+
+bool
+gbp_vxlan::operator==(const gbp_vxlan& vt) const
+{
+  return (m_vni == vt.m_vni);
+}
+
+void
+gbp_vxlan::sweep()
+{
+  if (rc_t::OK == m_hdl) {
+    HW::enqueue(new gbp_vxlan_cmds::delete_cmd(m_hdl, m_vni));
+  }
+  HW::write();
+}
+
+void
+gbp_vxlan::replay()
+{
+  if (rc_t::OK == m_hdl) {
+    if (m_grd)
+      HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_vni, false,
+                                                 m_grd->id()));
+    else if (m_gbd)
+      HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_vni, true,
+                                                 m_gbd->id()));
+  }
+}
+
+gbp_vxlan::~gbp_vxlan()
+{
+  sweep();
+  m_db.release(key(), this);
+}
+
+std::string
+gbp_vxlan::to_string() const
+{
+  std::ostringstream s;
+  s << "gbp-vxlan:[" << m_vni << "]";
+
+  return (s.str());
+}
+
+std::shared_ptr<gbp_vxlan>
+gbp_vxlan::find(const key_t key)
+{
+  return (m_db.find(key));
+}
+
+void
+gbp_vxlan::update(const gbp_vxlan& desired)
+{
+  /*
+   * the desired state is always that the interface should be created
+   */
+  if (rc_t::OK != m_hdl) {
+    if (m_grd)
+      HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_vni, false,
+                                                 m_grd->id()));
+    else if (m_gbd)
+      HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_vni, true,
+                                                 m_gbd->id()));
+  }
+}
+
+std::shared_ptr<gbp_vxlan>
+gbp_vxlan::find_or_add(const gbp_vxlan& temp)
+{
+  return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<gbp_vxlan>
+gbp_vxlan::singular() const
+{
+  return find_or_add(*this);
+}
+
+std::shared_ptr<interface>
+gbp_vxlan::singular_i() const
+{
+  return find_or_add(*this);
+}
+
+void
+gbp_vxlan::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+void
+gbp_vxlan::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /*
+   * dump VPP Bridge domains
+   */
+  std::shared_ptr<gbp_vxlan_cmds::dump_cmd> cmd =
+    std::make_shared<gbp_vxlan_cmds::dump_cmd>();
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& record : *cmd) {
+    auto& payload = record.get_payload();
+
+    if (GBP_VXLAN_TUNNEL_MODE_L3 == payload.tunnel.mode) {
+      auto rd = gbp_route_domain::find(payload.tunnel.bd_rd_id);
+
+      if (rd) {
+        gbp_vxlan vt(payload.tunnel.vni, *rd);
+        OM::commit(key, vt);
+        VOM_LOG(log_level_t::DEBUG) << "dump: " << vt.to_string();
+      }
+    } else {
+      auto bd = gbp_bridge_domain::find(payload.tunnel.bd_rd_id);
+
+      if (bd) {
+        gbp_vxlan vt(payload.tunnel.vni, *bd);
+        OM::commit(key, vt);
+        VOM_LOG(log_level_t::DEBUG) << "dump: " << vt.to_string();
+      }
+    }
+  }
+}
+
+gbp_vxlan::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "gvt", "gbp-vxlan-tunnel" }, "GBP VXLAN Tunnels",
+                            this);
+}
+
+void
+gbp_vxlan::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+dependency_t
+gbp_vxlan::event_handler::order() const
+{
+  return (dependency_t::BINDING);
+}
+
+void
+gbp_vxlan::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:
+ */