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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/bridge_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_BRIDGE_DOMAIN_H__
+#define __VOM_BRIDGE_DOMAIN_H__
+
+#include "vom/dump_cmd.hpp"
+#include "vom/enum_base.hpp"
+#include "vom/hw.hpp"
+#include "vom/inspect.hpp"
+#include "vom/object_base.hpp"
+#include "vom/om.hpp"
+#include "vom/rpc_cmd.hpp"
+#include "vom/singular_db.hpp"
+
+#include <vapi/l2.api.vapi.hpp>
+
+namespace VOM {
+/**
+ * A base class for all object_base in the VPP object_base-Model.
+ * provides the abstract interface.
+ */
+class bridge_domain : public object_base
+{
+public:
+ /**
+ * The value of the defaultbridge domain
+ */
+ const static uint32_t DEFAULT_TABLE = 0;
+
+ /**
+ * Construct a new object matching the desried state
+ */
+ bridge_domain(uint32_t id);
+ /**
+ * Copy Constructor
+ */
+ bridge_domain(const bridge_domain& o);
+ /**
+ * Destructor
+ */
+ ~bridge_domain();
+
+ /**
+ * Return the matchin 'singular' instance of the bridge-domain
+ */
+ std::shared_ptr<bridge_domain> singular() const;
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string(void) const;
+
+ /**
+ * Return VPP's handle for this obejct
+ */
+ uint32_t id() const;
+
+ /**
+ * Static function to find the bridge_domain in the model
+ */
+ static std::shared_ptr<bridge_domain> find(uint32_t id);
+
+ /**
+ * Dump all bridge-doamin into the stream provided
+ */
+ static void dump(std::ostream& os);
+
+ /**
+ * A command class that creates an Bridge-Domain
+ */
+ class create_cmd
+ : public rpc_cmd<HW::item<uint32_t>, rc_t, vapi::Bridge_domain_add_del>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ create_cmd(HW::item<uint32_t>& item);
+
+ /**
+ * 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;
+ };
+
+ /**
+ * A cmd class that Delete an Bridge-Domain
+ */
+ class delete_cmd
+ : public rpc_cmd<HW::item<uint32_t>, rc_t, vapi::Bridge_domain_add_del>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ delete_cmd(HW::item<uint32_t>& item);
+
+ /**
+ * 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;
+ };
+
+ /**
+ * A cmd class that Dumps all the IPv4 L3 configs
+ */
+ class dump_cmd : public VOM::dump_cmd<vapi::Bridge_domain_dump>
+ {
+ public:
+ /**
+ * Constructor
+ */
+ dump_cmd();
+ dump_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_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;
+ };
+
+ /**
+ * Instance of the event handler to register with OM
+ */
+ static event_handler m_evh;
+
+ /**
+ * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
+ */
+ void update(const bridge_domain& obj);
+
+ /**
+ * Find or add an singular of a Bridge-Domain in the object_base Model
+ */
+ static std::shared_ptr<bridge_domain> find_or_add(const bridge_domain& temp);
+
+ /*
+ * It's the OM class that calls singular()
+ */
+ friend class OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<uint32_t, bridge_domain>;
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * replay the object to create it in hardware
+ */
+ void replay(void);
+
+ /**
+ * The ID we assign to this BD and the HW result in VPP
+ */
+ HW::item<uint32_t> m_id;
+
+ /**
+ * A map of all interfaces key against the interface's name
+ */
+ static singular_db<uint32_t, bridge_domain> m_db;
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif