--- /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_ROUTE_H__
+#define __VOM_ROUTE_H__
+
+#include "vom/interface.hpp"
+#include "vom/prefix.hpp"
+#include "vom/route_domain.hpp"
+#include "vom/singular_db.hpp"
+
+namespace VOM {
+/**
+ * Types belonging to Routing
+ */
+namespace route {
+/**
+ * A path for IP or MPLS routes
+ */
+class path
+{
+public:
+ /**
+ * Special path types
+ */
+ class special_t : public enum_base<special_t>
+ {
+ public:
+ /**
+ * A standard path type. this includes path types
+ * that use the next-hop and interface
+ */
+ const static special_t STANDARD;
+
+ /**
+ * A local/for-us/recieve
+ */
+ const static special_t LOCAL;
+
+ /**
+ * drop path
+ */
+ const static special_t DROP;
+
+ /**
+ * a path will return ICMP unreachables
+ */
+ const static special_t UNREACH;
+
+ /**
+ * a path will return ICMP prohibit
+ */
+ const static special_t PROHIBIT;
+
+ private:
+ /**
+ * Private constructor taking the value and the string name
+ */
+ special_t(int v, const std::string& s);
+ };
+
+ /**
+ * Path flags
+ */
+ class flags_t : public enum_base<flags_t>
+ {
+ public:
+ /**
+ * No flags
+ */
+ const static flags_t NONE;
+
+ /**
+ * A path that resolves via a DVR next-hop
+ */
+ const static flags_t DVR;
+
+ private:
+ /**
+ * Private constructor taking the value and the string name
+ */
+ flags_t(int v, const std::string& s);
+ };
+
+ /**
+ * constructor for special paths
+ */
+ path(special_t special, const nh_proto_t& proto = nh_proto_t::IPV4);
+
+ /**
+ * Constructor for standard non-recursive paths
+ */
+ path(const boost::asio::ip::address& nh,
+ const interface& interface,
+ uint8_t weight = 1,
+ uint8_t preference = 0);
+
+ /**
+ * Constructor for standard recursive paths
+ */
+ path(const route_domain& rd,
+ const boost::asio::ip::address& nh,
+ uint8_t weight = 1,
+ uint8_t preference = 0);
+
+ /**
+ * Constructor for DVR paths or attached paths.
+ */
+ path(const interface& interface,
+ const nh_proto_t& proto,
+ const flags_t& flags = flags_t::NONE,
+ uint8_t weight = 1,
+ uint8_t preference = 0);
+
+ /**
+ * Copy Constructor
+ */
+ path(const path& p);
+
+ /**
+ * Destructor
+ */
+ ~path();
+
+ /**
+ * comparison operator
+ */
+ bool operator==(const path& p) const;
+
+ /**
+ * Less than operator for set insertion
+ */
+ bool operator<(const path& p) const;
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Getters
+ */
+ special_t type() const;
+ nh_proto_t nh_proto() const;
+ flags_t flags() const;
+ const boost::asio::ip::address& nh() const;
+ std::shared_ptr<route_domain> rd() const;
+ std::shared_ptr<interface> itf() const;
+ uint8_t weight() const;
+ uint8_t preference() const;
+
+private:
+ /**
+ * The special path tpye
+ */
+ special_t m_type;
+
+ /**
+ * The next-hop protocol
+ */
+ nh_proto_t m_nh_proto;
+
+ /**
+ * Flags for the path
+ */
+ flags_t m_flags;
+
+ /**
+ * The next-hop
+ */
+ boost::asio::ip::address m_nh;
+
+ /**
+ * For recursive routes, this is the table in which the
+ * the next-hop exists.
+ */
+ std::shared_ptr<route_domain> m_rd;
+
+ /**
+ * The next-hop interface [if present].
+ */
+ std::shared_ptr<interface> m_interface;
+
+ /**
+ * UCMP weight
+ */
+ uint8_t m_weight;
+
+ /**
+ * Path preference
+ */
+ uint8_t m_preference;
+};
+
+class itf_flags_t : public enum_base<itf_flags_t>
+{
+public:
+ const static itf_flags_t NONE;
+ /**
+ * Path is accepting multicast traffic
+ */
+ const static itf_flags_t ACCEPT;
+
+ /**
+ * A local/for-us/recieve
+ */
+ const static itf_flags_t FORWARD;
+
+private:
+ /**
+ * Private constructor taking the value and the string name
+ */
+ itf_flags_t(int v, const std::string& s);
+};
+
+/**
+ * A path-list is a set of paths
+ */
+typedef std::set<path> path_list_t;
+
+/**
+ * A mpath-list is a set of paths and interface flags
+ */
+typedef std::set<std::pair<path, itf_flags_t>> mpath_list_t;
+
+/**
+ * ostream output for iterator
+ */
+std::ostream& operator<<(std::ostream& os, const path_list_t& path_list);
+std::ostream& operator<<(std::ostream& os, const mpath_list_t& path_list);
+
+/**
+ * A IP route
+ */
+class ip_route : public object_base
+{
+public:
+ /**
+ * The key for a route
+ */
+ typedef std::pair<route::table_id_t, prefix_t> key_t;
+
+ /**
+ * Construct a route in the default table
+ */
+ ip_route(const prefix_t& prefix);
+
+ /**
+ * Construct a route with a path
+ */
+ ip_route(const prefix_t& prefix, const path& p);
+
+ /**
+ * Copy Construct
+ */
+ ip_route(const ip_route& r);
+
+ /**
+ * Construct a route in the given route domain
+ */
+ ip_route(const route_domain& rd, const prefix_t& prefix);
+
+ /**
+ * Construct a route in the given route domain with a path
+ */
+ ip_route(const route_domain& rd, const prefix_t& prefix, const path& p);
+
+ /**
+ * Destructor
+ */
+ ~ip_route();
+
+ /**
+ * Get the route's key
+ */
+ const key_t key() const;
+
+ /**
+ * Comparison operator
+ */
+ bool operator==(const ip_route& i) const;
+
+ /**
+ * Return the matching 'singular instance'
+ */
+ std::shared_ptr<ip_route> singular() const;
+
+ /**
+ * Add a path.
+ */
+ void add(const path& path);
+
+ /**
+ * remove a path.
+ */
+ void remove(const path& path);
+
+ /**
+ * Find the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<ip_route> find(const ip_route& temp);
+
+ /**
+ * Dump all route-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 matching 'singular instance'
+ */
+ static std::shared_ptr<ip_route> find(const key_t& k);
+
+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;
+
+ /**
+ * Find or add the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<ip_route> find_or_add(const ip_route& temp);
+
+ /*
+ * It's the OM class that updates the objects in HW
+ */
+ friend class VOM::OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<key_t, ip_route>;
+
+ /**
+ * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
+ */
+ void update(const ip_route& obj);
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * HW configuration for the result of creating the route
+ */
+ HW::item<handle_t> m_hw;
+
+ /**
+ * The route domain the route is in.
+ */
+ std::shared_ptr<route_domain> m_rd;
+
+ /**
+ * The prefix to match
+ */
+ prefix_t m_prefix;
+
+ /**
+ * The set of paths
+ */
+ path_list_t m_paths;
+
+ /**
+ * A map of all routes
+ */
+ static singular_db<key_t, ip_route> m_db;
+};
+
+/**
+ * A IP multicast route
+ */
+class ip_mroute : public object_base
+{
+public:
+ /**
+ * The key for a route
+ */
+ typedef std::pair<route::table_id_t, mprefix_t> key_t;
+
+ /**
+ * Construct a route in the default table
+ */
+ ip_mroute(const mprefix_t& mprefix);
+
+ /**
+ * Copy Construct
+ */
+ ip_mroute(const ip_mroute& r);
+
+ /**
+ * Construct a route in the given route domain
+ */
+ ip_mroute(const route_domain& rd, const mprefix_t& mprefix);
+
+ /**
+ * Destructor
+ */
+ ~ip_mroute();
+
+ /**
+ * Get the route's key
+ */
+ const key_t key() const;
+
+ /**
+ * Comparison operator
+ */
+ bool operator==(const ip_mroute& i) const;
+
+ /**
+ * Return the matching 'singular instance'
+ */
+ std::shared_ptr<ip_mroute> singular() const;
+
+ /**
+ * Find the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<ip_mroute> find(const ip_mroute& temp);
+
+ /**
+ * Dump all route-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 matching 'singular instance'
+ */
+ static std::shared_ptr<ip_mroute> find(const key_t& k);
+
+ void add(const path& path, const itf_flags_t& flag);
+
+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;
+
+ /**
+ * Find or add the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<ip_mroute> find_or_add(const ip_mroute& temp);
+
+ /*
+ * It's the OM class that updates the objects in HW
+ */
+ friend class VOM::OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<key_t, ip_mroute>;
+
+ /**
+ * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
+ */
+ void update(const ip_mroute& obj);
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * HW configuration for the result of creating the route
+ */
+ HW::item<bool> m_hw;
+
+ /**
+ * The route domain the route is in.
+ */
+ std::shared_ptr<route_domain> m_rd;
+
+ /**
+ * The mprefix to match
+ */
+ mprefix_t m_mprefix;
+
+ /**
+ * The set of paths
+ */
+ mpath_list_t m_paths;
+
+ /**
+ * A map of all routes
+ */
+ static singular_db<key_t, ip_mroute> m_db;
+};
+
+std::ostream& operator<<(std::ostream& os, const ip_route::key_t& key);
+std::ostream& operator<<(std::ostream& os, const ip_mroute::key_t& key);
+}; // namespace route
+}; // namesapce VPP
+
+/*
+ * fd.io coding-style-patch-verification: OFF
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif
Code Review / vpp.git / blobdiff