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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_GBP_SUBNET_H__
#define __VOM_GBP_SUBNET_H__
#include <ostream>
#include "vom/gbp_endpoint_group.hpp"
#include "vom/gbp_recirc.hpp"
#include "vom/gbp_route_domain.hpp"
#include "vom/singular_db.hpp"
namespace VOM {
/**
* A GBP Enpoint (i.e. a VM)
*/
class gbp_subnet : public object_base
{
public:
/**
* The key for a GBP subnet; table and prefix
*/
typedef std::pair<gbp_route_domain::key_t, route::prefix_t> key_t;
struct type_t : public enum_base<type_t>
{
/**
* Internal subnet is reachable through the source EPG's
* uplink interface.
*/
const static type_t STITCHED_INTERNAL;
/**
* External subnet requires NAT translation before egress.
*/
const static type_t STITCHED_EXTERNAL;
/**
* A transport subnet, sent via the RD's UU-fwd interface
*/
const static type_t TRANSPORT;
/**
* A L3-out subnet
*/
const static type_t L3_OUT;
/**
* An anonymous L3-out subnet
*/
const static type_t ANON_L3_OUT;
private:
type_t(int v, const std::string s);
};
/**
* Construct an internal GBP subnet
*/
gbp_subnet(const gbp_route_domain& rd,
const route::prefix_t& prefix,
const type_t& type);
/**
* Construct an stitched external GBP subnet
*/
gbp_subnet(const gbp_route_domain& rd,
const route::prefix_t& prefix,
const gbp_recirc& recirc,
const gbp_endpoint_group& epg);
/**
* Construct an l3-out GBP subnet
*/
gbp_subnet(const gbp_route_domain& rd,
const route::prefix_t& prefix,
sclass_t sclass,
const type_t& type = type_t::L3_OUT);
/**
* Copy Construct
*/
gbp_subnet(const gbp_subnet& r);
/**
* Destructor
*/
~gbp_subnet();
/**
* Return the object's key
*/
const key_t key() const;
/**
* comparison operator
*/
bool operator==(const gbp_subnet& bdae) const;
/**
* Return the matching 'singular instance'
*/
std::shared_ptr<gbp_subnet> singular() const;
/**
* Find the instnace of the bridge_domain domain in the OM
*/
static std::shared_ptr<gbp_subnet> 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;
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_subnet& obj);
/**
* Find or add the instnace of the bridge_domain domain in the OM
*/
static std::shared_ptr<gbp_subnet> find_or_add(const gbp_subnet& 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_subnet>;
/**
* Sweep/reap the object if still stale
*/
void sweep(void);
/**
* HW configuration for the result of creating the subnet
*/
HW::item<bool> m_hw;
/**
* the route domain the prefix is in
*/
const std::shared_ptr<gbp_route_domain> m_rd;
/**
* prefix to match
*/
const route::prefix_t m_prefix;
/*
* Subnet type
*/
type_t m_type;
/**
* The interface the prefix is reachable through
*/
std::shared_ptr<gbp_recirc> m_recirc;
/**
* The EPG the subnet is in
*/
std::shared_ptr<gbp_endpoint_group> m_epg;
/**
* Sclass for l3-out subnets
*/
sclass_t m_sclass;
/**
* A map of all bridge_domains
*/
static singular_db<key_t, gbp_subnet> m_db;
};
std::ostream& operator<<(std::ostream& os, const gbp_subnet::key_t& key);
}; // namespace
/*
* fd.io coding-style-patch-verification: OFF
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
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