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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_IP_UNNUMBERED_H__
+#define __VOM_IP_UNNUMBERED_H__
+
+#include "vom/hw.hpp"
+#include "vom/inspect.hpp"
+#include "vom/interface.hpp"
+#include "vom/object_base.hpp"
+#include "vom/om.hpp"
+#include "vom/rpc_cmd.hpp"
+#include "vom/singular_db.hpp"
+
+namespace VOM {
+/**
+ * A representation of IP unnumbered configuration on an interface
+ */
+class ip_unnumbered : public object_base
+{
+public:
+ /**
+ * Construct a new object matching the desried state
+ *
+ * @param itf - The interface with no IP address
+ * @param l3_itf - The interface that has the IP address we wish to
+ * share.
+ */
+ ip_unnumbered(const interface& itf, const interface& l3_itf);
+
+ /**
+ * Copy Constructor
+ */
+ ip_unnumbered(const ip_unnumbered& o);
+
+ /**
+ * Destructor
+ */
+ ~ip_unnumbered();
+
+ /**
+ * Return the 'singular instance' of the L3-Config that matches this
+ * object
+ */
+ std::shared_ptr<ip_unnumbered> singular() const;
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Dump all ip_unnumbereds into the stream provided
+ */
+ static void dump(std::ostream& os);
+
+ /**
+ * The key type for ip_unnumbereds
+ */
+ typedef interface::key_type key_t;
+
+ /**
+ * Find an singular instance in the DB for the interface passed
+ */
+ static std::shared_ptr<ip_unnumbered> find(const interface& i);
+
+ /**
+ * A command class that configures the IP unnumbered
+ */
+ class config_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Sw_interface_set_unnumbered>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ config_cmd(HW::item<bool>& item,
+ const handle_t& itf,
+ const handle_t& l3_itf);
+
+ /**
+ * 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 config_cmd& i) const;
+
+ private:
+ /**
+ * Reference to the interface for which the address is required
+ */
+ const handle_t& m_itf;
+ /**
+ * Reference to the interface which has an address
+ */
+ const handle_t& m_l3_itf;
+ };
+
+ /**
+ * A cmd class that Unconfigs L3 Config from an interface
+ */
+ class unconfig_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Sw_interface_set_unnumbered>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ unconfig_cmd(HW::item<bool>& item,
+ const handle_t& itf,
+ const handle_t& l3_itf);
+
+ /**
+ * 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 unconfig_cmd& i) const;
+
+ private:
+ /**
+ * Reference to the interface for which the address is required
+ */
+ const handle_t& m_itf;
+ /**
+ * Reference to the interface which has an address
+ */
+ const handle_t& m_l3_itf;
+ };
+
+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;
+
+ /**
+ * Enquue commonds to the VPP command Q for the update
+ */
+ void update(const ip_unnumbered& obj);
+
+ /**
+ * Find or add the singular instance in the DB
+ */
+ static std::shared_ptr<ip_unnumbered> find_or_add(const ip_unnumbered& 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, ip_unnumbered>;
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * replay the object to create it in hardware
+ */
+ void replay(void);
+
+ /**
+ * A reference counting pointer the interface that requires an address.
+ */
+ const std::shared_ptr<interface> m_itf;
+ /**
+ * A reference counting pointer the interface that has an address.
+ */
+ const std::shared_ptr<interface> m_l3_itf;
+
+ /**
+ * HW configuration for the binding. The bool representing the
+ * do/don't bind.
+ */
+ HW::item<bool> m_config;
+
+ /**
+ * A map of all L3 configs keyed against a combination of the interface
+ * and subnet's keys.
+ */
+ static singular_db<key_t, ip_unnumbered> m_db;
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif