misc: deprecate VOM
[vpp.git] / extras / deprecated / vom / vom / l2_xconnect.cpp
diff --git a/extras/deprecated/vom/vom/l2_xconnect.cpp b/extras/deprecated/vom/vom/l2_xconnect.cpp
new file mode 100644 (file)
index 0000000..91065ab
--- /dev/null
@@ -0,0 +1,237 @@
+/*
+ * 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/l2_xconnect.hpp"
+#include "vom/l2_vtr_cmds.hpp"
+#include "vom/l2_xconnect_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+/**
+ * A DB of all the L2 x-connect Configs
+ */
+singular_db<l2_xconnect::key_t, l2_xconnect> l2_xconnect::m_db;
+
+l2_xconnect::event_handler l2_xconnect::m_evh;
+
+/**
+ * Construct a new object matching the desried state
+ */
+l2_xconnect::l2_xconnect(const interface& east_itf, const interface& west_itf)
+  : m_east_itf(east_itf.singular())
+  , m_west_itf(west_itf.singular())
+  , m_xconnect_east(0)
+  , m_xconnect_west(0)
+  , m_vtr_op(l2_vtr::option_t::DISABLED, rc_t::UNSET)
+  , m_vtr_op_tag(0)
+{
+}
+
+l2_xconnect::l2_xconnect(const l2_xconnect& o)
+  : m_east_itf(o.m_east_itf)
+  , m_west_itf(o.m_west_itf)
+  , m_xconnect_east(o.m_xconnect_east)
+  , m_xconnect_west(o.m_xconnect_west)
+  , m_vtr_op(o.m_vtr_op)
+  , m_vtr_op_tag(o.m_vtr_op_tag)
+{
+}
+
+const l2_xconnect::key_t
+l2_xconnect::key() const
+{
+  if (m_east_itf->name() < m_west_itf->name())
+    return (std::make_pair(m_east_itf->key(), m_west_itf->key()));
+  return (std::make_pair(m_west_itf->key(), m_east_itf->key()));
+}
+
+bool
+l2_xconnect::operator==(const l2_xconnect& l) const
+{
+  return ((*m_east_itf == *l.m_east_itf) && (*m_west_itf == *l.m_west_itf));
+}
+
+std::shared_ptr<l2_xconnect>
+l2_xconnect::find(const key_t& key)
+{
+  return (m_db.find(key));
+}
+
+void
+l2_xconnect::sweep()
+{
+  if (m_xconnect_east && m_xconnect_west &&
+      handle_t::INVALID != m_east_itf->handle() &&
+      handle_t::INVALID != m_west_itf->handle()) {
+    HW::enqueue(new l2_xconnect_cmds::unbind_cmd(
+      m_xconnect_east, m_east_itf->handle(), m_west_itf->handle()));
+    HW::enqueue(new l2_xconnect_cmds::unbind_cmd(
+      m_xconnect_west, m_west_itf->handle(), m_east_itf->handle()));
+  }
+
+  HW::write();
+}
+
+void
+l2_xconnect::replay()
+{
+  if (m_xconnect_east && m_xconnect_west &&
+      handle_t::INVALID != m_east_itf->handle() &&
+      handle_t::INVALID != m_west_itf->handle()) {
+    HW::enqueue(new l2_xconnect_cmds::bind_cmd(
+      m_xconnect_east, m_east_itf->handle(), m_west_itf->handle()));
+    HW::enqueue(new l2_xconnect_cmds::bind_cmd(
+      m_xconnect_west, m_west_itf->handle(), m_east_itf->handle()));
+  }
+
+  if (m_vtr_op && handle_t::INVALID != m_east_itf->handle()) {
+    HW::enqueue(
+      new l2_vtr_cmds::set_cmd(m_vtr_op, m_east_itf->handle(), m_vtr_op_tag));
+  }
+}
+
+l2_xconnect::~l2_xconnect()
+{
+  sweep();
+
+  // not in the DB anymore.
+  m_db.release(key(), this);
+}
+
+std::string
+l2_xconnect::to_string() const
+{
+  std::ostringstream s;
+  s << "L2-xconnect:[" << m_east_itf->to_string() << " "
+    << m_west_itf->to_string() << " " << m_xconnect_east.to_string() << " "
+    << m_xconnect_west.to_string() << "]";
+
+  return (s.str());
+}
+
+void
+l2_xconnect::set(const l2_vtr::option_t& op, uint16_t tag)
+{
+  assert(rc_t::UNSET == m_vtr_op.rc());
+  m_vtr_op.set(rc_t::NOOP);
+  m_vtr_op.update(op);
+  m_vtr_op_tag = tag;
+}
+
+void
+l2_xconnect::update(const l2_xconnect& desired)
+{
+  /*
+   * the desired state is always that the interface should be created
+   */
+  if (rc_t::OK != m_xconnect_east.rc() && rc_t::OK != m_xconnect_west.rc()) {
+    HW::enqueue(new l2_xconnect_cmds::bind_cmd(
+      m_xconnect_east, m_east_itf->handle(), m_west_itf->handle()));
+    HW::enqueue(new l2_xconnect_cmds::bind_cmd(
+      m_xconnect_west, m_west_itf->handle(), m_east_itf->handle()));
+  }
+
+  /*
+   * set the VTR operation if request
+   */
+  if (m_vtr_op.update(desired.m_vtr_op)) {
+    HW::enqueue(
+      new l2_vtr_cmds::set_cmd(m_vtr_op, m_east_itf->handle(), m_vtr_op_tag));
+  }
+}
+
+std::shared_ptr<l2_xconnect>
+l2_xconnect::find_or_add(const l2_xconnect& temp)
+{
+  return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<l2_xconnect>
+l2_xconnect::singular() const
+{
+  return find_or_add(*this);
+}
+
+void
+l2_xconnect::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+l2_xconnect::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "l2-xconnect" }, "L2 xconnects", this);
+}
+
+void
+l2_xconnect::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+void
+l2_xconnect::event_handler::handle_populate(const client_db::key_t& key)
+{
+  /**
+   * This needs to be done here
+   */
+  std::shared_ptr<l2_xconnect_cmds::dump_cmd> cmd =
+    std::make_shared<l2_xconnect_cmds::dump_cmd>();
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& x_record : *cmd) {
+    auto& payload = x_record.get_payload();
+
+    VOM_LOG(log_level_t::DEBUG) << "l2-xconnect dump: "
+                                << " east-itf: " << payload.rx_sw_if_index
+                                << " west-itf: " << payload.tx_sw_if_index;
+
+    std::shared_ptr<interface> east_itf =
+      interface::find(payload.rx_sw_if_index);
+    std::shared_ptr<interface> west_itf =
+      interface::find(payload.tx_sw_if_index);
+
+    if (east_itf && west_itf) {
+      if (east_itf->name() > west_itf->name())
+        continue;
+      l2_xconnect l2_xc(*east_itf, *west_itf);
+      OM::commit(key, l2_xc);
+    }
+  }
+}
+
+dependency_t
+l2_xconnect::event_handler::order() const
+{
+  return (dependency_t::BINDING);
+}
+
+void
+l2_xconnect::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:
+ */