--- /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"
+
+#include <vapi/ip.api.vapi.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);
+ };
+
+ /**
+ * constructor for special paths
+ */
+ path(special_t special);
+
+ /**
+ * 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,
+ uint8_t weight = 1,
+ uint8_t preference = 0);
+
+ /**
+ * Copy Constructor
+ */
+ path(const path& p);
+
+ /**
+ * Convert the path into the VPP API representation
+ */
+ void to_vpp(vapi_type_fib_path& path) const;
+ void to_vpp(vapi_payload_ip_add_del_route& payload) 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;
+
+private:
+ /**
+ * The special path tpye
+ */
+ special_t m_type;
+
+ /**
+ * The next-hop protocol
+ */
+ nh_proto_t m_nh_proto;
+
+ /**
+ * 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;
+};
+
+/**
+ * A path-list is a set of paths
+ */
+typedef std::set<path> path_list_t;
+
+/**
+ * ostream output for iterator
+ */
+std::ostream& operator<<(std::ostream& os, const path_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);
+
+ /**
+ * 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);
+
+ /**
+ * Destructor
+ */
+ ~ip_route();
+
+ /**
+ * 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;
+
+ /**
+ * A command class that creates or updates the route
+ */
+ class update_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Ip_add_del_route>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ update_cmd(HW::item<bool>& item,
+ table_id_t id,
+ const prefix_t& prefix,
+ const path_list_t& paths);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const update_cmd& i) const;
+
+ private:
+ route::table_id_t m_id;
+ prefix_t m_prefix;
+ const path_list_t m_paths;
+ };
+
+ /**
+ * A cmd class that deletes a route
+ */
+ class delete_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Ip_add_del_route>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ delete_cmd(HW::item<bool>& item, table_id_t id, const prefix_t& prefix);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const delete_cmd& i) const;
+
+ private:
+ route::table_id_t m_id;
+ prefix_t m_prefix;
+ };
+
+ /**
+ * A cmd class that Dumps ipv4 fib
+ */
+ class dump_v4_cmd : public VOM::dump_cmd<vapi::Ip_fib_dump>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ dump_v4_cmd();
+ dump_v4_cmd(const dump_cmd& d);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const dump_v4_cmd& i) const;
+
+ private:
+ /**
+ * HW reutrn code
+ */
+ HW::item<bool> item;
+ };
+
+ /**
+ * A cmd class that Dumps ipv6 fib
+ */
+ class dump_v6_cmd : public VOM::dump_cmd<vapi::Ip6_fib_dump>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ dump_v6_cmd();
+ dump_v6_cmd(const dump_cmd& d);
+
+ /**
+ * Issue the command to VPP/HW
+ */
+ rc_t issue(connection& con);
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Comparison operator - only used for UT
+ */
+ bool operator==(const dump_v6_cmd& i) const;
+
+ private:
+ /**
+ * HW reutrn code
+ */
+ HW::item<bool> item;
+ };
+
+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<bool> 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;
+};
+
+std::ostream& operator<<(std::ostream& os, const ip_route::key_t& key);
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif
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