VPP Object Model (VOM)
The VOM is a C++ library for use by clients/agents of VPP for programming
state. It uses the binary APIs to do so. Various other common client side
functions are also provided. Please see om.hpp for a more detailed description.
Change-Id: Ib756bfe99817093815a9e26ccf464aa5583fc523
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Co-authored-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vpp-api/vom/vxlan_tunnel.cpp b/src/vpp-api/vom/vxlan_tunnel.cpp
new file mode 100644
index 0000000..7079021
--- /dev/null
+++ b/src/vpp-api/vom/vxlan_tunnel.cpp
@@ -0,0 +1,272 @@
+/*
+ * 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/vxlan_tunnel.hpp"
+#include "vom/logger.hpp"
+
+namespace VOM {
+const std::string VXLAN_TUNNEL_NAME = "vxlan-tunnel-itf";
+
+vxlan_tunnel::event_handler vxlan_tunnel::m_evh;
+
+/**
+ * A DB of all vxlan_tunnels
+ * this does not register as a listener for replay events, since the tunnels
+ * are also in the base-class interface DB and so will be poked from there.
+ */
+singular_db<vxlan_tunnel::endpoint_t, vxlan_tunnel> vxlan_tunnel::m_db;
+
+vxlan_tunnel::endpoint_t::endpoint_t(const boost::asio::ip::address& src,
+ const boost::asio::ip::address& dst,
+ uint32_t vni)
+ : src(src)
+ , dst(dst)
+ , vni(vni)
+{
+}
+
+vxlan_tunnel::endpoint_t::endpoint_t()
+ : src()
+ , dst()
+ , vni(0)
+{
+}
+
+bool
+vxlan_tunnel::endpoint_t::operator==(const endpoint_t& other) const
+{
+ return ((src == other.src) && (dst == other.dst) && (vni == other.vni));
+}
+
+bool
+vxlan_tunnel::endpoint_t::operator<(const vxlan_tunnel::endpoint_t& o) const
+{
+ if (src < o.src)
+ return true;
+ if (dst < o.dst)
+ return true;
+ if (vni < o.vni)
+ return true;
+
+ return false;
+}
+
+std::string
+vxlan_tunnel::endpoint_t::to_string() const
+{
+ std::ostringstream s;
+
+ s << "ep:["
+ << "src:" << src.to_string() << " dst:" << dst.to_string() << " vni:" << vni
+ << "]";
+
+ return (s.str());
+}
+
+std::ostream&
+operator<<(std::ostream& os, const vxlan_tunnel::endpoint_t& ep)
+{
+ os << ep.to_string();
+
+ return (os);
+}
+
+std::string
+vxlan_tunnel::mk_name(const boost::asio::ip::address& src,
+ const boost::asio::ip::address& dst,
+ uint32_t vni)
+{
+ std::ostringstream s;
+
+ s << VXLAN_TUNNEL_NAME << "-" << src << "-" << dst << ":" << vni;
+
+ return (s.str());
+}
+
+vxlan_tunnel::vxlan_tunnel(const boost::asio::ip::address& src,
+ const boost::asio::ip::address& dst,
+ uint32_t vni)
+ : interface(mk_name(src, dst, vni),
+ interface::type_t::VXLAN,
+ interface::admin_state_t::UP)
+ , m_tep(src, dst, vni)
+{
+}
+
+vxlan_tunnel::vxlan_tunnel(const handle_t& hdl,
+ const boost::asio::ip::address& src,
+ const boost::asio::ip::address& dst,
+ uint32_t vni)
+ : interface(hdl,
+ l2_address_t::ZERO,
+ mk_name(src, dst, vni),
+ interface::type_t::VXLAN,
+ interface::admin_state_t::UP)
+ , m_tep(src, dst, vni)
+{
+}
+
+vxlan_tunnel::vxlan_tunnel(const vxlan_tunnel& o)
+ : interface(o)
+ , m_tep(o.m_tep)
+{
+}
+
+const handle_t&
+vxlan_tunnel::handle() const
+{
+ return (m_hdl.data());
+}
+
+void
+vxlan_tunnel::sweep()
+{
+ if (m_hdl) {
+ HW::enqueue(new delete_cmd(m_hdl, m_tep));
+ }
+ HW::write();
+}
+
+void
+vxlan_tunnel::replay()
+{
+ if (m_hdl) {
+ HW::enqueue(new create_cmd(m_hdl, name(), m_tep));
+ }
+}
+
+vxlan_tunnel::~vxlan_tunnel()
+{
+ sweep();
+
+ /*
+ * release from both DBs
+ */
+ release();
+ m_db.release(m_tep, this);
+}
+
+std::string
+vxlan_tunnel::to_string() const
+{
+ std::ostringstream s;
+ s << "vxlan-tunnel: " << m_hdl.to_string() << " " << m_tep.to_string();
+
+ return (s.str());
+}
+
+void
+vxlan_tunnel::update(const vxlan_tunnel& desired)
+{
+ /*
+ * the desired state is always that the interface should be created
+ */
+ if (!m_hdl) {
+ HW::enqueue(new create_cmd(m_hdl, name(), m_tep));
+ }
+}
+
+std::shared_ptr<vxlan_tunnel>
+vxlan_tunnel::find_or_add(const vxlan_tunnel& temp)
+{
+ /*
+ * a VXLAN tunnel needs to be in both the interface-find-by-name
+ * and the vxlan_tunnel-find-by-endpoint singular databases
+ */
+ std::shared_ptr<vxlan_tunnel> sp;
+
+ sp = m_db.find_or_add(temp.m_tep, temp);
+
+ interface::m_db.add(temp.name(), sp);
+
+ return (sp);
+}
+
+std::shared_ptr<vxlan_tunnel>
+vxlan_tunnel::singular() const
+{
+ return (find_or_add(*this));
+}
+
+std::shared_ptr<interface>
+vxlan_tunnel::singular_i() const
+{
+ return find_or_add(*this);
+}
+
+void
+vxlan_tunnel::dump(std::ostream& os)
+{
+ m_db.dump(os);
+}
+
+void
+vxlan_tunnel::event_handler::handle_populate(const client_db::key_t& key)
+{
+ /*
+ * dump VPP current states
+ */
+ std::shared_ptr<vxlan_tunnel::dump_cmd> cmd(new vxlan_tunnel::dump_cmd());
+
+ HW::enqueue(cmd);
+ HW::write();
+
+ for (auto& record : *cmd) {
+ auto& payload = record.get_payload();
+ handle_t hdl(payload.sw_if_index);
+ boost::asio::ip::address src =
+ from_bytes(payload.is_ipv6, payload.src_address);
+ boost::asio::ip::address dst =
+ from_bytes(payload.is_ipv6, payload.dst_address);
+
+ vxlan_tunnel vt(hdl, src, dst, payload.vni);
+
+ VOM_LOG(log_level_t::DEBUG) << "dump: " << vt.to_string();
+
+ OM::commit(key, vt);
+ }
+}
+
+vxlan_tunnel::event_handler::event_handler()
+{
+ OM::register_listener(this);
+ inspect::register_handler({ "vxlan" }, "VXLAN Tunnels", this);
+}
+
+void
+vxlan_tunnel::event_handler::handle_replay()
+{
+ // replay is handled from the interface DB
+}
+
+dependency_t
+vxlan_tunnel::event_handler::order() const
+{
+ return (dependency_t::TUNNEL);
+}
+
+void
+vxlan_tunnel::event_handler::show(std::ostream& os)
+{
+ m_db.dump(os);
+}
+}
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */