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authorNeale Ranns <neale.ranns@cisco.com>2017-10-16 04:20:13 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-11-01 09:28:06 +0000
commit812ed39f9da336310e815c361ab5a9f118657d94 (patch)
tree9d8cddc917acbb65b3dc401d880d5eb2a7f392c6 /src/vpp-api/vom/nat_static.cpp
parent14edd97c20735ffd1c24000a7df78e154ac61478 (diff)
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>
Diffstat (limited to 'src/vpp-api/vom/nat_static.cpp')
-rw-r--r--src/vpp-api/vom/nat_static.cpp220
1 files changed, 220 insertions, 0 deletions
diff --git a/src/vpp-api/vom/nat_static.cpp b/src/vpp-api/vom/nat_static.cpp
new file mode 100644
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+++ b/src/vpp-api/vom/nat_static.cpp
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+/*
+ * 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/nat_static.hpp"
+
+namespace VOM {
+singular_db<nat_static::key_t, nat_static> nat_static::m_db;
+nat_static::event_handler nat_static::m_evh;
+
+nat_static::nat_static(const boost::asio::ip::address& inside,
+ const boost::asio::ip::address_v4& outside)
+ : m_hw(false)
+ , m_rd(route_domain::get_default())
+ , m_inside(inside)
+ , m_outside(outside)
+{
+}
+
+nat_static::nat_static(const route_domain& rd,
+ const boost::asio::ip::address& inside,
+ const boost::asio::ip::address_v4& outside)
+ : m_hw(false)
+ , m_rd(rd.singular())
+ , m_inside(inside)
+ , m_outside(outside)
+{
+}
+
+nat_static::nat_static(const nat_static& ns)
+ : m_hw(ns.m_hw)
+ , m_rd(ns.m_rd)
+ , m_inside(ns.m_inside)
+ , m_outside(ns.m_outside)
+{
+}
+
+nat_static::~nat_static()
+{
+ sweep();
+
+ // not in the DB anymore.
+ m_db.release(std::make_pair(m_rd->key(), m_outside), this);
+}
+
+void
+nat_static::sweep()
+{
+ if (m_hw) {
+ if (m_inside.is_v4()) {
+ HW::enqueue(
+ new delete_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
+ }
+ }
+ HW::write();
+}
+
+void
+nat_static::replay()
+{
+ if (m_hw) {
+ if (m_inside.is_v4()) {
+ HW::enqueue(
+ new create_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
+ }
+ }
+}
+
+void
+nat_static::update(const nat_static& r)
+{
+ /*
+ * create the table if it is not yet created
+ */
+ if (rc_t::OK != m_hw.rc()) {
+ if (m_inside.is_v4()) {
+ HW::enqueue(
+ new create_44_cmd(m_hw, m_rd->table_id(), m_inside.to_v4(), m_outside));
+ }
+ }
+}
+
+std::string
+nat_static::to_string() const
+{
+ std::ostringstream s;
+ s << "nat-static:["
+ << "table:" << m_rd->to_string() << " inside: " << m_inside.to_string()
+ << " outside " << m_outside.to_string() << "]";
+
+ return (s.str());
+}
+
+std::shared_ptr<nat_static>
+nat_static::find_or_add(const nat_static& temp)
+{
+ return (
+ m_db.find_or_add(std::make_pair(temp.m_rd->key(), temp.m_outside), temp));
+}
+
+std::shared_ptr<nat_static>
+nat_static::singular() const
+{
+ return find_or_add(*this);
+}
+
+void
+nat_static::dump(std::ostream& os)
+{
+ m_db.dump(os);
+}
+
+std::ostream&
+operator<<(std::ostream& os, const nat_static::key_t& key)
+{
+ os << "[" << key.first << ", " << key.second << "]";
+
+ return (os);
+}
+
+nat_static::event_handler::event_handler()
+{
+ OM::register_listener(this);
+ inspect::register_handler({ "nat-static" }, "NAT Statics", this);
+}
+
+void
+nat_static::event_handler::handle_replay()
+{
+ m_db.replay();
+}
+
+/* void nat_static::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<nat_static::dump_cmd> cmd = */
+/* std::make_shared<nat_static::dump_cmd>(nat_static::dump_cmd(itf->handle(),
+ * proto)); */
+
+/* HW::enqueue(cmd); */
+/* HW::write(); */
+
+/* for (auto & record : *cmd) */
+/* { */
+/* /\* */
+/* * construct a nat_static from each recieved record. */
+/* *\/ */
+/* auto &payload = record.get_payload(); */
+
+/* mac_address_t mac(payload.mac_address); */
+/* boost::asio::ip::address ip_addr = from_bytes(payload.is_ipv6, */
+/* payload.ip_address);
+ */
+/* nat_static n(*itf, mac, ip_addr); */
+
+/* VOM_LOG(log_level_t::DEBUG) << "nat_static-dump: " */
+/* << itf->to_string() */
+/* << mac.to_string() */
+/* << ip_addr.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
+nat_static::event_handler::handle_populate(const client_db::key_t& key)
+{
+ /* auto it = interface::cbegin(); */
+
+ /* while (it != interface::cend()) */
+ /* { */
+ /* nat_static::populate_i(key, it->second.lock(), l3_proto_t::IPV4);
+ */
+ /* nat_static::populate_i(key, it->second.lock(), l3_proto_t::IPV6);
+ */
+
+ /* ++it; */
+ /* } */
+}
+
+dependency_t
+nat_static::event_handler::order() const
+{
+ return (dependency_t::ENTRY);
+}
+
+void
+nat_static::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:
+ */