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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.
+ */
+
+#ifndef __VOM_NAT_STATIC_H__
+#define __VOM_NAT_STATIC_H__
+
+#include "vom/dump_cmd.hpp"
+#include "vom/route.hpp"
+#include "vom/singular_db.hpp"
+#include "vom/types.hpp"
+
+#include <vapi/nat.api.vapi.hpp>
+
+namespace VOM {
+/**
+ * A entry in the ARP termination table of a Bridge Domain
+ */
+class nat_static : public object_base
+{
+public:
+ /**
+ * The key for a NAT static mapping.
+ * So far only model the address only case. The address
+ * is the outside.
+ */
+ typedef std::pair<route::table_id_t, boost::asio::ip::address> key_t;
+
+ /**
+ * Construct an NAT Static binding with the outside address in default
+ * table
+ */
+ nat_static(const boost::asio::ip::address& inside,
+ const boost::asio::ip::address_v4& outside);
+
+ /**
+ * Construct an NAT Static binding with the outside address in
+ * route-domain specified
+ */
+ nat_static(const route_domain& rd,
+ const boost::asio::ip::address& inside,
+ const boost::asio::ip::address_v4& outside);
+
+ /**
+ * Copy Construct
+ */
+ nat_static(const nat_static& r);
+
+ /**
+ * Destructor
+ */
+ ~nat_static();
+
+ /**
+ * Return the matching 'singular instance'
+ */
+ std::shared_ptr<nat_static> singular() const;
+
+ /**
+ * Find the instnace of the bridge_domain domain in the OM
+ */
+ static std::shared_ptr<nat_static> find(const nat_static& temp);
+
+ /**
+ * Dump all bridge_domain-doamin into the stream provided
+ */
+ static void dump(std::ostream& os);
+
+ /**
+ * replay the object to create it in hardware
+ */
+ void replay(void);
+
+ /**
+ * Convert to string for debugging
+ */
+ std::string to_string() const;
+
+ /**
+ * A command class that creates NAT 44 static mapping
+ */
+ class create_44_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Nat44_add_del_static_mapping>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ create_44_cmd(HW::item<bool>& item,
+ route::table_id_t id,
+ const boost::asio::ip::address_v4& inside,
+ const boost::asio::ip::address_v4& outside);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const create_44_cmd& i) const;
+
+ private:
+ route::table_id_t m_id;
+ const boost::asio::ip::address_v4 m_inside;
+ const boost::asio::ip::address_v4 m_outside;
+ };
+
+ /**
+ * A cmd class that deletes a NAT 44 static mapping
+ */
+ class delete_44_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Nat44_add_del_static_mapping>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ delete_44_cmd(HW::item<bool>& item,
+ route::table_id_t id,
+ const boost::asio::ip::address_v4& inside,
+ const boost::asio::ip::address_v4& outside);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const delete_44_cmd& i) const;
+
+ private:
+ route::table_id_t m_id;
+ const boost::asio::ip::address_v4 m_inside;
+ const boost::asio::ip::address_v4 m_outside;
+ };
+
+ /**
+ * A cmd class that Dumps all the nat_statics
+ */
+ class dump_44_cmd : public dump_cmd<vapi::Nat44_static_mapping_dump>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ dump_44_cmd();
+ dump_44_cmd(const dump_44_cmd& d);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const dump_44_cmd& i) const;
+
+ private:
+ /**
+ * HW reutrn code
+ */
+ HW::item<bool> item;
+ };
+
+private:
+ /**
+ * Class definition for listeners to OM events
+ */
+ class event_handler : public OM::listener, public inspect::command_handler
+ {
+ public:
+ event_handler();
+ virtual ~event_handler() = default;
+
+ /**
+ * Handle a populate event
+ */
+ void handle_populate(const client_db::key_t& key);
+
+ /**
+ * Handle a replay event
+ */
+ void handle_replay();
+
+ /**
+ * Show the object in the Singular DB
+ */
+ void show(std::ostream& os);
+
+ /**
+ * Get the sortable Id of the listener
+ */
+ dependency_t order() const;
+ };
+
+ /**
+ * event_handler to register with OM
+ */
+ static event_handler m_evh;
+
+ /**
+ * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
+ */
+ void update(const nat_static& obj);
+
+ /**
+ * Find or add the instnace of the bridge_domain domain in the OM
+ */
+ static std::shared_ptr<nat_static> find_or_add(const nat_static& temp);
+
+ /*
+ * It's the VPPHW class that updates the objects in HW
+ */
+ friend class OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<key_t, nat_static>;
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * HW configuration for the result of creating the bridge_domain
+ */
+ HW::item<bool> m_hw;
+
+ /**
+ * The table-ID the outside address resides in
+ */
+ std::shared_ptr<route_domain> m_rd;
+
+ /**
+ * The 'inside' IP address, could be v4 or v6
+ */
+ const boost::asio::ip::address& m_inside;
+
+ /**
+ * The 'outside' IP address - always v4
+ */
+ const boost::asio::ip::address_v4& m_outside;
+
+ /**
+ * A map of all NAT statics
+ */
+ static singular_db<key_t, nat_static> m_db;
+};
+
+std::ostream& operator<<(std::ostream& os, const nat_static::key_t& key);
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif