1 files changed, 168 insertions, 0 deletions
diff --git a/extras/vom/vom/l2_emulation.cpp b/extras/vom/vom/l2_emulation.cpp
new file mode 100644
index 00000000000..7bc7ed657d4
--- /dev/null
+++ b/extras/vom/vom/l2_emulation.cpp
@@ -0,0 +1,168 @@
+/*
+ * 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/l2_emulation.hpp"
+#include "vom/l2_emulation_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+/**
+ * A DB of all the L2 Configs
+ */
+singular_db<l2_emulation::key_t, l2_emulation> l2_emulation::m_db;
+
+l2_emulation::event_handler l2_emulation::m_evh;
+
+/**
+ * Construct a new object matching the desried state
+ */
+l2_emulation::l2_emulation(const interface& itf)
+  : m_itf(itf.singular())
+  , m_emulation(0)
+{
+}
+
+l2_emulation::l2_emulation(const l2_emulation& o)
+  : m_itf(o.m_itf)
+  , m_emulation(0)
+{
+}
+
+const l2_emulation::key_t&
+l2_emulation::key() const
+{
+  return (m_itf->key());
+}
+
+bool
+l2_emulation::operator==(const l2_emulation& l) const
+{
+  return ((*m_itf == *l.m_itf));
+}
+
+std::shared_ptr<l2_emulation>
+l2_emulation::find(const key_t& key)
+{
+  return (m_db.find(key));
+}
+
+void
+l2_emulation::sweep()
+{
+  if (m_emulation && handle_t::INVALID != m_itf->handle()) {
+    HW::enqueue(
+      new l2_emulation_cmds::disable_cmd(m_emulation, m_itf->handle()));
+  }
+
+  // no need to undo the VTR operation.
+  HW::write();
+}
+
+void
+l2_emulation::replay()
+{
+  if (m_emulation && handle_t::INVALID != m_itf->handle()) {
+    HW::enqueue(
+      new l2_emulation_cmds::enable_cmd(m_emulation, m_itf->handle()));
+  }
+}
+
+l2_emulation::~l2_emulation()
+{
+  sweep();
+
+  // not in the DB anymore.
+  m_db.release(m_itf->key(), this);
+}
+
+std::string
+l2_emulation::to_string() const
+{
+  std::ostringstream s;
+  s << "L2-emulation:[" << m_itf->to_string() << "]";
+
+  return (s.str());
+}
+
+void
+l2_emulation::update(const l2_emulation& desired)
+{
+  /*
+   * the desired state is always that the interface should be created
+   */
+  if (rc_t::OK != m_emulation.rc()) {
+    HW::enqueue(
+      new l2_emulation_cmds::enable_cmd(m_emulation, m_itf->handle()));
+  }
+}
+
+std::shared_ptr<l2_emulation>
+l2_emulation::find_or_add(const l2_emulation& temp)
+{
+  return (m_db.find_or_add(temp.m_itf->key(), temp));
+}
+
+std::shared_ptr<l2_emulation>
+l2_emulation::singular() const
+{
+  return find_or_add(*this);
+}
+
+void
+l2_emulation::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+l2_emulation::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "l2e" }, "L2 Emulation", this);
+}
+
+void
+l2_emulation::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+void
+l2_emulation::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /**
+   * This is done while populating the bridge-domain
+   */
+}
+
+dependency_t
+l2_emulation::event_handler::order() const
+{
+  return (dependency_t::BINDING);
+}
+
+void
+l2_emulation::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:
+ */