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Diffstat (limited to 'src/vpp-api/vom/interface_ip6_nd.hpp')
-rw-r--r-- | src/vpp-api/vom/interface_ip6_nd.hpp | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/src/vpp-api/vom/interface_ip6_nd.hpp b/src/vpp-api/vom/interface_ip6_nd.hpp new file mode 100644 index 00000000000..38845e36870 --- /dev/null +++ b/src/vpp-api/vom/interface_ip6_nd.hpp @@ -0,0 +1,385 @@ +/* + * 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_INTERFACE_IP6_ND_H__ +#define __VOM_INTERFACE_IP6_ND_H__ + +#include "vom/dump_cmd.hpp" +#include "vom/hw.hpp" +#include "vom/inspect.hpp" +#include "vom/interface.hpp" +#include "vom/object_base.hpp" +#include "vom/om.hpp" +#include "vom/ra_config.hpp" +#include "vom/ra_prefix.hpp" +#include "vom/rpc_cmd.hpp" +#include "vom/singular_db.hpp" +#include "vom/sub_interface.hpp" + +#include <vapi/ip.api.vapi.hpp> + +namespace VOM { +/** + * A representation of L3 configuration on an interface + */ +template <typename CLASS, typename CMD> +class interface_ip6_nd : public object_base +{ +public: + typedef CLASS class_t; + /** + * Construct a new object matching the desried state + */ + interface_ip6_nd(const interface& itf, const class_t cls) + : m_itf(itf.singular()) + , m_cls(cls) + , m_config(true) + { + } + + /** + * Copy Constructor + */ + interface_ip6_nd(const interface_ip6_nd& o) + : m_itf(o.m_itf) + , m_cls(o.m_cls) + , m_config(o.m_config) + { + } + + /** + * Destructor + */ + ~interface_ip6_nd() + { + sweep(); + m_db.release(m_itf->key(), this); + } + + /** + * Return the 'singular instance' of the interface ip6nd that matches + * this object + */ + std::shared_ptr<interface_ip6_nd> singular() const + { + return find_or_add(*this); + } + + /** + * convert to string format for debug purposes + */ + std::string to_string() const + { + std::ostringstream s; + s << "interface-ip6-nd:[" + << " itf:" << m_itf->to_string() << " " << m_cls.to_string() << " " + << m_config.to_string() << "]"; + + return (s.str()); + } + + /** + * Dump all config into the stream provided + */ + static void dump(std::ostream& os) { m_db.dump(os); } + + /** + * The key type for interface ip6 nd + */ + typedef interface::key_type key_t; + + /** + * Find an singular instance in the DB for the interface passed + */ + static std::shared_ptr<interface_ip6_nd> find(const interface& i) + { + /* + * Loop throught the entire map looking for matching interface. + * not the most efficient algorithm, but it will do for now. The + * number of ra configs is low. + */ + std::deque<std::shared_ptr<interface_ip6_nd>> rac; + + auto it = m_db.cbegin(); + + while (it != m_db.cend()) { + /* + * The key in the DB is a pair of the interface's name. + * If the keys match, save the ra-config + */ + auto key = it->first; + + if (i.key() == key.first) { + rac.push_back(it->second.lock()); + } + + ++it; + } + + return (rac); + } + + /** + * A functor class that binds the ra config to the interface + */ + class config_cmd : public rpc_cmd<HW::item<bool>, rc_t, CMD> + { + public: + /** + * Constructor + */ + config_cmd(HW::item<bool>& item, const handle_t& itf, const class_t& cls) + : rpc_cmd<HW::item<bool>, rc_t, CMD>(item) + , m_itf(itf) + , m_cls(cls) + { + } + + /** + * Issue the command to VPP/HW + */ + rc_t issue(connection& con); + + /** + * convert to string format for debug purposes + */ + std::string to_string() const + { + std::ostringstream s; + s << "interface-ip6-nd: " << this->item().to_string() + << " itf:" << m_itf.to_string() << " " << m_cls.to_string(); + + return (s.str()); + } + + /** + * Comparison operator - only used for UT + */ + bool operator==(const config_cmd& other) const + { + return ((m_itf == other.m_itf) && (m_cls == other.m_cls)); + } + + private: + /** + * Reference to the interface to bind to + */ + const handle_t& m_itf; + + /** + * Reference to the config class + */ + const class_t& m_cls; + }; + + /** + * A cmd class that Unbinds L3 Config from an interface + */ + class unconfig_cmd : public rpc_cmd<HW::item<bool>, rc_t, CMD> + { + public: + /** + * Constructor + */ + unconfig_cmd(HW::item<bool>& item, const handle_t& itf, const class_t& cls) + : rpc_cmd<HW::item<bool>, rc_t, CMD>(item) + , m_itf(itf) + , m_cls(cls) + { + } + + /** + * Issue the command to VPP/HW + */ + rc_t issue(connection& con); + + /** + * convert to string format for debug purposes + */ + std::string to_string() const + { + std::ostringstream s; + s << "interface-ip6-nd: " << this->item().to_string() + << " itf:" << m_itf.to_string() << " " << m_cls.to_string(); + + return (s.str()); + } + + /** + * Comparison operator - only used for UT + */ + bool operator==(const unconfig_cmd& other) const + { + return ((m_itf == other.m_itf) && (m_cls == other.m_cls)); + } + + private: + /** + * Reference to the interface to unbind fomr + */ + const handle_t& m_itf; + + /** + * Reference to the config class to undo configurations + */ + const class_t& m_cls; + }; + +private: + /** + * Class definition for listeners to OM events + */ + class event_handler : public OM::listener, public inspect::command_handler + { + public: + event_handler() + { + OM::register_listener(this); + inspect::register_handler({ "ip6_nd " }, "interface ip6 nd", this); + } + + virtual ~event_handler() = default; + + /** + * Handle a populate event + */ + void handle_populate(const client_db::key_t& key) + { + /** + * VPP provides no dump for ra config + */ + } + + /** + * Handle a replay event + */ + void handle_replay() { m_db.replay(); } + + /** + * Show the object in the Singular DB + */ + void show(std::ostream& os) { m_db.dump(os); } + + /** + * Get the sortable Id of the listener + */ + dependency_t order() const { return (dependency_t::BINDING); } + }; + + /** + * event_handler to register with OM + */ + static event_handler m_evh; + + /** + * Enqueue commands to the VPP for the update + */ + void update(const interface_ip6_nd& obj) + { + if (!m_config) { + HW::enqueue(new config_cmd(m_config, m_itf->handle(), m_cls)); + } + } + + void sweep() + { + if (m_config) { + HW::enqueue(new unconfig_cmd(m_config, m_itf->handle(), m_cls)); + } + HW::write(); + } + + /** + * Replay the objects state to HW + */ + void replay(void) + { + if (m_config) { + HW::enqueue(new config_cmd(m_config, m_itf->handle(), m_cls)); + } + } + + /** + * Find or add the singular instance in the DB + */ + static std::shared_ptr<interface_ip6_nd> find_or_add( + const interface_ip6_nd& temp) + { + return (m_db.find_or_add(temp.m_itf->key(), 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, interface_ip6_nd>; + + const std::shared_ptr<interface> m_itf; + + const class_t m_cls; + + const key_t m_key; + + /** + * HW configuration for the binding. The bool representing the + * do/don't bind. + */ + HW::item<bool> m_config; + + /** + * A map of all interface ip6 nd keyed against a combination of the + * interface and subnet's keys. + */ + static singular_db<key_t, interface_ip6_nd> m_db; +}; + +/** + * Typedef the ip6nd_ra_config + */ +typedef interface_ip6_nd<ra_config, vapi::Sw_interface_ip6nd_ra_config> + ip6nd_ra_config; + +/** + * Typedef the ip6nd_ra_prefix + */ +typedef interface_ip6_nd<ra_prefix, vapi::Sw_interface_ip6nd_ra_prefix> + ip6nd_ra_prefix; + +/** + * Definition of the static singular_db for ACL Lists + */ +template <typename CLASS, typename CMD> +singular_db<typename interface_ip6_nd<CLASS, CMD>::key_t, + interface_ip6_nd<CLASS, CMD>> + interface_ip6_nd<CLASS, CMD>::m_db; + +template <typename CLASS, typename CMD> +typename interface_ip6_nd<CLASS, CMD>::event_handler + interface_ip6_nd<CLASS, CMD>::m_evh; +}; + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ + +#endif |