+++ /dev/null
-/*
- * 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_ACL_BINDING_H__
-#define __VOM_ACL_BINDING_H__
-
-#include <ostream>
-
-#include "vom/acl_l2_list.hpp"
-#include "vom/acl_l3_list.hpp"
-#include "vom/acl_types.hpp"
-#include "vom/hw.hpp"
-#include "vom/inspect.hpp"
-#include "vom/interface.hpp"
-#include "vom/object_base.hpp"
-#include "vom/om.hpp"
-#include "vom/singular_db.hpp"
-#include "vom/singular_db_funcs.hpp"
-
-namespace VOM {
-namespace ACL {
-/**
- * A binding between an ACL and an interface.
- * A representation of the application of the ACL to the interface.
- */
-template <typename LIST>
-class binding : public object_base
-{
-public:
- /**
- * The key for a binding is the direction and the interface
- */
- typedef std::pair<direction_t, interface::key_t> key_t;
-
- /**
- * Construct a new object matching the desried state
- */
- binding(const direction_t& direction, const interface& itf, const LIST& acl)
- : m_direction(direction)
- , m_itf(itf.singular())
- , m_acl(acl.singular())
- , m_binding(false)
- {
- m_evh.order();
- }
-
- /**
- * Copy Constructor
- */
- binding(const binding& o)
- : m_direction(o.m_direction)
- , m_itf(o.m_itf)
- , m_acl(o.m_acl)
- , m_binding(o.m_binding)
- {
- }
-
- /**
- * Destructor
- */
- ~binding()
- {
- sweep();
- m_db.release(std::make_pair(m_direction, m_itf->key()), this);
- }
-
- /**
- * Return the 'singular instance' of the L2 config that matches this
- * object
- */
- std::shared_ptr<binding> singular() const { return find_or_add(*this); }
-
- /**
- * convert to string format for debug purposes
- */
- std::string to_string() const
- {
- std::ostringstream s;
- s << "acl-binding:[" << m_direction.to_string() << " " << m_itf->to_string()
- << " " << m_acl->to_string() << " " << m_binding.to_string() << "]";
-
- return (s.str());
- }
-
- /**
- * Dump all bindings into the stream provided
- */
- static void dump(std::ostream& os) { m_db.dump(os); }
-
- static dependency_t order() { return m_evh.order(); }
-
-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() { m_db.replay(); }
-
- /**
- * Show the object in the Singular DB
- */
- void show(std::ostream& os) { db_dump(m_db, os); }
-
- /**
- * Get the sortable Id of the listener
- */
- dependency_t order() const;
- };
-
- /**
- * event_handler to register with OM
- */
- static event_handler m_evh;
-
- /**
- * Enquue commonds to the VPP command Q for the update
- */
- void update(const binding& obj);
-
- /**
- * Find or Add the instance in the DB
- */
- static std::shared_ptr<binding> find_or_add(const binding& temp)
- {
- return (m_db.find_or_add(
- std::make_pair(temp.m_direction, temp.m_itf->key()), temp));
- }
-
- /*
- * It's the OM class that calls singular()
- */
- friend class VOM::OM;
-
- /**
- * It's the singular_db class that calls replay()
- */
- friend class singular_db<key_t, binding>;
-
- /**
- * Sweep/reap the object if still stale
- */
- void sweep(void);
-
- /**
- * Replay the objects state to HW
- */
- void replay(void);
-
- /**
- * The direction the of the packets on which to apply the ACL
- * input or output
- */
- const direction_t m_direction;
-
- /**
- * A reference counting pointer the interface that this L3 layer
- * represents. By holding the reference here, we can guarantee that
- * this object will outlive the interface
- */
- const std::shared_ptr<interface> m_itf;
-
- /**
- * A reference counting pointer the ACL that this
- * interface is bound to. By holding the reference here, we can
- * guarantee that this object will outlive the BD.
- */
- const std::shared_ptr<LIST> m_acl;
-
- /**
- * HW configuration for the binding. The bool representing the
- * do/don't bind.
- */
- HW::item<bool> m_binding;
-
- /**
- * A map of all L2 interfaces key against the interface's handle_t
- */
- static singular_db<key_t, binding> m_db;
-};
-
-/**
- * Typedef the L3 binding type
- */
-typedef binding<l3_list> l3_binding;
-
-/**
- * Typedef the L2 binding type
- */
-typedef binding<l2_list> l2_binding;
-
-/**
- * Definition of the static Singular DB for ACL bindings
- */
-template <typename LIST>
-singular_db<typename ACL::binding<LIST>::key_t, ACL::binding<LIST>>
- binding<LIST>::m_db;
-
-template <typename LIST>
-typename ACL::binding<LIST>::event_handler binding<LIST>::m_evh;
-
-namespace {
-const static dependency_t __attribute__((unused)) l2o = l2_binding::order();
-const static dependency_t __attribute__((unused)) l3o = l3_binding::order();
-};
-};
-
-std::ostream& operator<<(std::ostream& os,
- const std::pair<direction_t, interface::key_t>& key);
-};
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "mozilla")
- * End:
- */
-
-#endif
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