diff options
Diffstat (limited to 'src/vpp-api/vom/nat_static.hpp')
-rw-r--r-- | src/vpp-api/vom/nat_static.hpp | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/src/vpp-api/vom/nat_static.hpp b/src/vpp-api/vom/nat_static.hpp new file mode 100644 index 00000000000..1aa4a5e79c3 --- /dev/null +++ b/src/vpp-api/vom/nat_static.hpp @@ -0,0 +1,293 @@ +/* + * 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 |