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authorNeale Ranns <neale.ranns@cisco.com>2017-10-16 04:20:13 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-11-01 09:28:06 +0000
commit812ed39f9da336310e815c361ab5a9f118657d94 (patch)
tree9d8cddc917acbb65b3dc401d880d5eb2a7f392c6 /src/vpp-api/vom/route_domain.hpp
parent14edd97c20735ffd1c24000a7df78e154ac61478 (diff)
VPP Object Model (VOM)
The VOM is a C++ library for use by clients/agents of VPP for programming state. It uses the binary APIs to do so. Various other common client side functions are also provided. Please see om.hpp for a more detailed description. Change-Id: Ib756bfe99817093815a9e26ccf464aa5583fc523 Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Co-authored-by: Mohsin Kazmi <sykazmi@cisco.com>
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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_ROUTE_DOMAIN_H__
+#define __VOM_ROUTE_DOMAIN_H__
+
+#include "vom/object_base.hpp"
+#include "vom/om.hpp"
+#include "vom/prefix.hpp"
+#include "vom/singular_db.hpp"
+
+#include <vapi/ip.api.vapi.hpp>
+
+namespace VOM {
+/**
+ * A route-domain is a VRF.
+ * creating a route-domain object will construct both an IPv4
+ * and IPv6 table.
+ */
+class route_domain : public object_base
+{
+public:
+ /**
+ * The Key for a route-domain
+ */
+ typedef route::table_id_t key_t;
+
+ /**
+ * Construct a new object matching the desried state
+ */
+ route_domain(route::table_id_t id);
+
+ /**
+ * Copy Constructor
+ */
+ route_domain(const route_domain& o);
+
+ /**
+ * Destructor
+ */
+ ~route_domain();
+
+ /**
+ * Return the matching 'singular instance'
+ */
+ std::shared_ptr<route_domain> singular() const;
+
+ /**
+ * Debug print function
+ */
+ std::string to_string() const;
+
+ /**
+ * Get the table ID
+ */
+ route::table_id_t table_id() const;
+
+ /**
+ * Get the route-domain's key
+ */
+ key_t key() const;
+
+ /**
+ * Find the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<route_domain> find(const route_domain& temp);
+
+ /**
+ * Dump all route-doamin into the stream provided
+ */
+ static void dump(std::ostream& os);
+
+ /**
+ * Return the sigular instance for the default table
+ */
+ static std::shared_ptr<route_domain> get_default();
+
+ /**
+ * replay the object to create it in hardware
+ */
+ void replay(void);
+
+ /**
+ * A command class that creates the IP table
+ */
+ class create_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Ip_table_add_del>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ create_cmd(HW::item<bool>& item, l3_proto_t proto, route::table_id_t id);
+
+ /**
+ * 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 create_cmd& i) const;
+
+ private:
+ /**
+ * table-ID to create
+ */
+ route::table_id_t m_id;
+
+ /**
+ * L3 protocol of the table
+ */
+ l3_proto_t m_proto;
+ };
+
+ /**
+ * A cmd class that Deletes the IP Table
+ */
+ class delete_cmd
+ : public rpc_cmd<HW::item<bool>, rc_t, vapi::Ip_table_add_del>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ delete_cmd(HW::item<bool>& item, l3_proto_t proto, route::table_id_t id);
+
+ /**
+ * 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:
+ /**
+ * table-ID to create
+ */
+ route::table_id_t m_id;
+
+ /**
+ * L3 protocol of the table
+ */
+ l3_proto_t m_proto;
+ };
+
+private:
+ /**
+ * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
+ */
+ void update(const route_domain& obj);
+
+ /**
+ * Find or add the instnace of the route domain in the OM
+ */
+ static std::shared_ptr<route_domain> find_or_add(const route_domain& temp);
+
+ /*
+ * It's the OM class that updates the objects in HW
+ */
+ friend class OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<route::table_id_t, route_domain>;
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * HW configuration for the result of creating the v4 table
+ */
+ HW::item<bool> m_hw_v4;
+
+ /**
+ * HW configuration for the result of creating the v6 table
+ */
+ HW::item<bool> m_hw_v6;
+
+ /**
+ * VPP understands Table-IDs not table names.
+ * The table IDs for V4 and V6 are the same.
+ */
+ route::table_id_t m_table_id;
+
+ /**
+ * A map of all interfaces key against the interface's name
+ */
+ static singular_db<route::table_id_t, route_domain> m_db;
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif