misc: deprecate VOM

[vpp.git] / extras / deprecated / vom / vom / neighbour.cpp

diff --git a/extras/deprecated/vom/vom/neighbour.cpp b/extras/deprecated/vom/vom/neighbour.cpp
new file mode 100644 (file)
index 0000000..01653f6
--- /dev/null
+++ b/extras/deprecated/vom/vom/neighbour.cpp
@@ -0,0 +1,232 @@
+/*
+ * 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/neighbour.hpp"
+#include "vom/api_types.hpp"
+#include "vom/neighbour_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+singular_db<neighbour::key_t, neighbour> neighbour::m_db;
+neighbour::event_handler neighbour::m_evh;
+
+const neighbour::flags_t neighbour::flags_t::NONE(0, "");
+const neighbour::flags_t neighbour::flags_t::STATIC(1, "static");
+const neighbour::flags_t neighbour::flags_t::NO_FIB_ENTRY(2, "no-fib-entry");
+
+neighbour::flags_t::flags_t(int v, const std::string s)
+  : enum_base(v, s)
+{
+}
+
+neighbour::neighbour(const interface& itf,
+                     const boost::asio::ip::address& ip_addr,
+                     const mac_address_t& mac,
+                     const flags_t flags)
+  : m_hw(false)
+  , m_itf(itf.singular())
+  , m_ip_addr(ip_addr)
+  , m_mac(mac)
+  , m_flags(flags)
+{
+}
+
+neighbour::neighbour(const neighbour& n)
+  : m_hw(n.m_hw)
+  , m_itf(n.m_itf)
+  , m_ip_addr(n.m_ip_addr)
+  , m_mac(n.m_mac)
+  , m_flags(n.m_flags)
+{
+}
+
+neighbour::~neighbour()
+{
+  sweep();
+
+  // not in the DB anymore.
+  m_db.release(key(), this);
+}
+
+bool
+neighbour::operator==(const neighbour& n) const
+{
+  return ((key() == n.key()) && (m_mac == n.m_mac));
+}
+
+const neighbour::key_t
+neighbour::key() const
+{
+  return (std::make_pair(m_itf->key(), m_ip_addr));
+}
+
+void
+neighbour::sweep()
+{
+  if (m_hw) {
+    HW::enqueue(new neighbour_cmds::delete_cmd(m_hw, m_itf->handle(), m_mac,
+                                               m_ip_addr, m_flags));
+  }
+  HW::write();
+}
+
+void
+neighbour::replay()
+{
+  if (m_hw) {
+    HW::enqueue(new neighbour_cmds::create_cmd(m_hw, m_itf->handle(), m_mac,
+                                               m_ip_addr, m_flags));
+  }
+}
+
+std::string
+neighbour::to_string() const
+{
+  std::ostringstream s;
+  s << "neighbour:[" << m_itf->to_string() << ", " << m_mac.to_string() << ", "
+    << m_ip_addr.to_string() << " " << m_flags.to_string() << "]";
+
+  return (s.str());
+}
+
+void
+neighbour::update(const neighbour& r)
+{
+  /*
+ * create the table if it is not yet created
+ */
+  if (rc_t::OK != m_hw.rc()) {
+    HW::enqueue(new neighbour_cmds::create_cmd(m_hw, m_itf->handle(), m_mac,
+                                               m_ip_addr, m_flags));
+  }
+}
+
+std::shared_ptr<neighbour>
+neighbour::find_or_add(const neighbour& temp)
+{
+  return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<neighbour>
+neighbour::find(const key_t& k)
+{
+  return (m_db.find(k));
+}
+
+std::shared_ptr<neighbour>
+neighbour::singular() const
+{
+  return find_or_add(*this);
+}
+
+void
+neighbour::dump(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+std::ostream&
+operator<<(std::ostream& os, const neighbour::key_t& key)
+{
+  os << "[" << key.first << ", " << key.second << "]";
+
+  return (os);
+}
+
+neighbour::event_handler::event_handler()
+{
+  OM::register_listener(this);
+  inspect::register_handler({ "neighbour" }, "Neighbours", this);
+}
+
+void
+neighbour::event_handler::handle_replay()
+{
+  m_db.replay();
+}
+
+void
+neighbour::populate_i(const client_db::key_t& key,
+                      std::shared_ptr<interface> itf,
+                      const l3_proto_t& proto)
+{
+  /*
+   * dump VPP current states
+   */
+  std::shared_ptr<neighbour_cmds::dump_cmd> cmd =
+    std::make_shared<neighbour_cmds::dump_cmd>(
+      neighbour_cmds::dump_cmd(itf->handle(), proto));
+
+  HW::enqueue(cmd);
+  HW::write();
+
+  for (auto& record : *cmd) {
+    /*
+     * construct a neighbour from each recieved record.
+     */
+    auto& payload = record.get_payload();
+
+    mac_address_t mac = from_api(payload.neighbor.mac_address);
+    boost::asio::ip::address ip_addr = from_api(payload.neighbor.ip_address);
+    neighbour::flags_t f = from_api(payload.neighbor.flags);
+    neighbour n(*itf, ip_addr, mac, f);
+    ;
+
+    VOM_LOG(log_level_t::DEBUG) << "neighbour-dump: " << itf->to_string() << " "
+                                << mac.to_string() << " " << ip_addr.to_string()
+                                << " " << f.to_string();
+
+    /*
+     * Write each of the discovered interfaces into the OM,
+     * but disable the HW Command q whilst we do, so that no
+     * commands are sent to VPP
+     */
+    OM::commit(key, n);
+  }
+}
+
+void
+neighbour::event_handler::handle_populate(const client_db::key_t& key)
+{
+  auto it = interface::cbegin();
+
+  while (it != interface::cend()) {
+    neighbour::populate_i(key, it->second.lock(), l3_proto_t::IPV4);
+    neighbour::populate_i(key, it->second.lock(), l3_proto_t::IPV6);
+
+    ++it;
+  }
+}
+
+dependency_t
+neighbour::event_handler::order() const
+{
+  return (dependency_t::ENTRY);
+}
+
+void
+neighbour::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:
+ */