2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef __VOM_L3_BINDING_H__
17 #define __VOM_L3_BINDING_H__
20 #include "vom/inspect.hpp"
21 #include "vom/interface.hpp"
22 #include "vom/object_base.hpp"
24 #include "vom/singular_db.hpp"
28 * A representation of L3 configuration on an interface
30 class l3_binding : public object_base
34 * Construct a new object matching the desried state
36 l3_binding(const interface& itf, const route::prefix_t& pfx);
41 l3_binding(const l3_binding& o);
49 * Return the 'singular instance' of the L3-Config that matches this
52 std::shared_ptr<l3_binding> singular() const;
55 * convert to string format for debug purposes
57 std::string to_string() const;
60 * Return the prefix associated with this L3config
62 const route::prefix_t& prefix() const;
65 * Dump all l3_bindings into the stream provided
67 static void dump(std::ostream& os);
70 * The key type for l3_bindings
72 typedef std::pair<interface::key_type, route::prefix_t> key_type_t;
75 * Find an singular instance in the DB for the interface passed
77 static std::deque<std::shared_ptr<l3_binding>> find(const interface& i);
81 * Class definition for listeners to OM events
83 class event_handler : public OM::listener, public inspect::command_handler
87 virtual ~event_handler() = default;
90 * Handle a populate event
92 void handle_populate(const client_db::key_t& key);
95 * Handle a replay event
100 * Show the object in the Singular DB
102 void show(std::ostream& os);
105 * Get the sortable Id of the listener
107 dependency_t order() const;
111 * event_handler to register with OM
113 static event_handler m_evh;
116 * Enquue commonds to the VPP command Q for the update
118 void update(const l3_binding& obj);
121 * Find or add the singular instance in the DB
123 static std::shared_ptr<l3_binding> find_or_add(const l3_binding& temp);
126 * It's the VPPHW class that updates the objects in HW
131 e* It's the singular_db class that calls replay()
133 friend class singular_db<key_type_t, l3_binding>;
136 * Sweep/reap the object if still stale
141 * replay the object to create it in hardware
146 * A reference counting pointer the interface that this L3 layer
147 * represents. By holding the reference here, we can guarantee that
148 * this object will outlive the interface
150 const std::shared_ptr<interface> m_itf;
153 * The prefix for this L3 configuration
155 const route::prefix_t& m_pfx;
158 * HW configuration for the binding. The bool representing the
161 HW::item<bool> m_binding;
164 * A map of all L3 configs keyed against a combination of the interface
167 static singular_db<key_type_t, l3_binding> m_db;
171 * Ostream output for the key
173 std::ostream& operator<<(std::ostream& os, const l3_binding::key_type_t& key);
177 * fd.io coding-style-patch-verification: ON
180 * eval: (c-set-style "mozilla")