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/*
* Copyright (c) 2018 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_GBP_RECIRC_H__
#define __VOM_GBP_RECIRC_H__
#include "vom/gbp_endpoint_group.hpp"
#include "vom/interface.hpp"
#include "vom/singular_db.hpp"
namespace VOM {
/**
* A recirculation interface for GBP use pre/post NAT
*/
class gbp_recirc : public object_base
{
public:
/**
* The key for a GBP recirc interface
*/
typedef interface::key_t key_t;
struct type_t : public enum_base<type_t>
{
/**
* Internal recirclation interfaces accept per-NAT translation
* traffic from the external/NAT EPG and inject into the
* private/NAT-inside EPG
*/
const static type_t INTERNAL;
/**
* External recirculation interfaces accept post-NAT translation
* traffic from the internal EPG and inject into the
* NAT EPG
*/
const static type_t EXTERNAL;
private:
type_t(int v, const std::string s);
};
/**
* Construct a GBP recirc
*/
gbp_recirc(const interface& itf,
const type_t& type,
const gbp_endpoint_group& epg);
/**
* Copy Construct
*/
gbp_recirc(const gbp_recirc& r);
/**
* Destructor
*/
~gbp_recirc();
/**
* Return the object's key
*/
const key_t key() const;
/**
* comparison operator
*/
bool operator==(const gbp_recirc& bdae) const;
/**
* Return the matching 'singular instance'
*/
std::shared_ptr<gbp_recirc> singular() const;
/**
* Find the instnace of the recirc interface in the OM
*/
static std::shared_ptr<gbp_recirc> find(const key_t& k);
/**
* 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;
/**
* return the recirculation interface's handle
*/
const handle_t& handle() const;
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 gbp_recirc& obj);
/**
* Find or add the instnace of the bridge_domain domain in the OM
*/
static std::shared_ptr<gbp_recirc> find_or_add(const gbp_recirc& 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, gbp_recirc>;
/**
* Sweep/reap the object if still stale
*/
void sweep(void);
/**
* HW configuration for the result of creating the recirc
*/
HW::item<bool> m_hw;
/**
* The interface the recirc is attached to.
*/
std::shared_ptr<interface> m_itf;
/**
* Is the reicrc for the external (i.e. post-NAT) or internal
*/
type_t m_type;
/**
* The EPG the recirc is in
*/
std::shared_ptr<gbp_endpoint_group> m_epg;
/**
* A map of all bridge_domains
*/
static singular_db<key_t, gbp_recirc> m_db;
};
}; // namespace VOM
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
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