--- /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.
+ */
+
+#include "vom/interface.hpp"
+#include "vom/bond_group_binding.hpp"
+#include "vom/bond_group_binding_cmds.hpp"
+#include "vom/bond_interface_cmds.hpp"
+#include "vom/interface_cmds.hpp"
+#include "vom/interface_factory.hpp"
+#include "vom/l3_binding_cmds.hpp"
+#include "vom/logger.hpp"
+#include "vom/prefix.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+/**
+ * A DB of all the interfaces, key on the name
+ */
+singular_db<interface::key_t, interface> interface::m_db;
+
+/**
+ * A DB of all the interfaces, key on VPP's handle
+ */
+std::map<handle_t, std::weak_ptr<interface>> interface::m_hdl_db;
+
+interface::event_handler interface::m_evh;
+
+/**
+ * Construct a new object matching the desried state
+ */
+interface::interface(const std::string& name,
+ interface::type_t itf_type,
+ interface::admin_state_t itf_state,
+ const std::string& tag)
+ : m_hdl(handle_t::INVALID)
+ , m_name(name)
+ , m_type(itf_type)
+ , m_state(itf_state)
+ , m_table_id(route::DEFAULT_TABLE)
+ , m_l2_address(l2_address_t::ZERO, rc_t::UNSET)
+ , m_stats_type(stats_type_t::NORMAL)
+ , m_oper(oper_state_t::DOWN)
+ , m_tag(tag)
+{
+}
+
+interface::interface(const std::string& name,
+ interface::type_t itf_type,
+ interface::admin_state_t itf_state,
+ const route_domain& rd,
+ const std::string& tag)
+ : m_hdl(handle_t::INVALID)
+ , m_name(name)
+ , m_type(itf_type)
+ , m_rd(rd.singular())
+ , m_state(itf_state)
+ , m_table_id(m_rd->table_id())
+ , m_l2_address(l2_address_t::ZERO, rc_t::UNSET)
+ , m_stats_type(stats_type_t::NORMAL)
+ , m_oper(oper_state_t::DOWN)
+ , m_tag(tag)
+{
+}
+
+interface::interface(const interface& o)
+ : m_hdl(o.m_hdl)
+ , m_name(o.m_name)
+ , m_type(o.m_type)
+ , m_rd(o.m_rd)
+ , m_state(o.m_state)
+ , m_table_id(o.m_table_id)
+ , m_l2_address(o.m_l2_address)
+ , m_stats_type(o.m_stats_type)
+ , m_oper(o.m_oper)
+ , m_tag(o.m_tag)
+{
+}
+
+bool
+interface::operator==(const interface& i) const
+{
+ return ((key() == i.key()) &&
+ (m_l2_address.data() == i.m_l2_address.data()) &&
+ (m_state == i.m_state) && (m_rd == i.m_rd) && (m_type == i.m_type) &&
+ (m_oper == i.m_oper));
+}
+
+interface::event_listener::event_listener()
+ : m_status(rc_t::NOOP)
+{
+}
+
+HW::item<bool>&
+interface::event_listener::status()
+{
+ return (m_status);
+}
+
+interface::stat_listener::stat_listener()
+ : m_status(rc_t::NOOP)
+{
+}
+
+HW::item<bool>&
+interface::stat_listener::status()
+{
+ return (m_status);
+}
+
+/**
+ * Return the interface type
+ */
+const interface::type_t&
+interface::type() const
+{
+ return (m_type);
+}
+
+const handle_t&
+interface::handle() const
+{
+ return (singular()->handle_i());
+}
+
+const handle_t&
+interface::handle_i() const
+{
+ return (m_hdl.data());
+}
+
+const l2_address_t&
+interface::l2_address() const
+{
+ return (m_l2_address.data());
+}
+
+interface::const_iterator_t
+interface::cbegin()
+{
+ return m_db.begin();
+}
+
+interface::const_iterator_t
+interface::cend()
+{
+ return m_db.end();
+}
+
+void
+interface::sweep()
+{
+ if (m_table_id && (m_table_id.data() != route::DEFAULT_TABLE)) {
+ m_table_id.data() = route::DEFAULT_TABLE;
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl));
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV6, m_hdl));
+ }
+
+ if (m_stats) {
+ if (stats_type_t::DETAILED == m_stats_type) {
+ HW::enqueue(new interface_cmds::collect_detail_stats_change_cmd(
+ m_stats_type, handle_i(), false));
+ }
+ HW::enqueue(new interface_cmds::stats_disable_cmd(m_hdl.data()));
+ m_stats.reset();
+ }
+
+ // If the interface is up, bring it down
+ if (m_state && interface::admin_state_t::UP == m_state.data()) {
+ m_state.data() = interface::admin_state_t::DOWN;
+ HW::enqueue(new interface_cmds::state_change_cmd(m_state, m_hdl));
+ }
+
+ if (m_hdl) {
+ std::queue<cmd*> cmds;
+ HW::enqueue(mk_delete_cmd(cmds));
+ }
+ HW::write();
+}
+
+void
+interface::replay()
+{
+ if (m_hdl) {
+ std::queue<cmd*> cmds;
+ HW::enqueue(mk_create_cmd(cmds));
+ }
+
+ if (m_state && interface::admin_state_t::UP == m_state.data()) {
+ HW::enqueue(new interface_cmds::state_change_cmd(m_state, m_hdl));
+ }
+
+ if (m_stats) {
+ if (stats_type_t::DETAILED == m_stats_type) {
+ m_stats_type.set(rc_t::NOOP);
+ HW::enqueue(new interface_cmds::collect_detail_stats_change_cmd(
+ m_stats_type, handle_i(), true));
+ }
+ stat_listener& listener = m_stats->listener();
+ listener.status().set(rc_t::NOOP);
+ m_stats.reset(new interface_cmds::stats_enable_cmd(listener, handle_i()));
+ HW::enqueue(m_stats);
+ }
+
+ if (m_table_id && (m_table_id.data() != route::DEFAULT_TABLE)) {
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl));
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV6, m_hdl));
+ }
+}
+
+interface::~interface()
+{
+ sweep();
+ release();
+}
+
+void
+interface::release()
+{
+ // not in the DB anymore.
+ m_db.release(m_name, this);
+}
+
+std::string
+interface::to_string() const
+{
+ std::ostringstream s;
+ s << "interface:[" << m_name << " type:" << m_type.to_string()
+ << " hdl:" << m_hdl.to_string() << " l2-address:["
+ << m_l2_address.to_string() << "]";
+
+ if (m_rd) {
+ s << " rd:" << m_rd->to_string();
+ }
+
+ s << " admin-state:" << m_state.to_string()
+ << " oper-state:" << m_oper.to_string();
+
+ if (!m_tag.empty()) {
+ s << " tag:[" << m_tag << "]";
+ }
+
+ s << "]";
+
+ return (s.str());
+}
+
+const std::string&
+interface::name() const
+{
+ return (m_name);
+}
+
+const interface::key_t&
+interface::key() const
+{
+ return (name());
+}
+
+std::queue<cmd*>&
+interface::mk_create_cmd(std::queue<cmd*>& q)
+{
+ if ((type_t::LOOPBACK == m_type) || (type_t::BVI == m_type)) {
+ q.push(new interface_cmds::loopback_create_cmd(m_hdl, m_name));
+ q.push(new interface_cmds::set_tag(m_hdl, m_name));
+ /*
+ * set the m_tag for pretty-print
+ */
+ m_tag = m_name;
+ } else if (type_t::AFPACKET == m_type) {
+ q.push(new interface_cmds::af_packet_create_cmd(m_hdl, m_name));
+ if (!m_tag.empty())
+ q.push(new interface_cmds::set_tag(m_hdl, m_tag));
+ } else if (type_t::TAP == m_type) {
+ q.push(new interface_cmds::tap_create_cmd(m_hdl, m_name));
+ if (!m_tag.empty())
+ q.push(new interface_cmds::set_tag(m_hdl, m_tag));
+ } else if (type_t::VHOST == m_type) {
+ q.push(new interface_cmds::vhost_create_cmd(m_hdl, m_name, m_tag));
+ } else {
+ m_hdl.set(rc_t::OK);
+ }
+
+ return (q);
+}
+
+std::queue<cmd*>&
+interface::mk_delete_cmd(std::queue<cmd*>& q)
+{
+ if ((type_t::LOOPBACK == m_type) || (type_t::BVI == m_type)) {
+ q.push(new interface_cmds::loopback_delete_cmd(m_hdl));
+ } else if (type_t::AFPACKET == m_type) {
+ q.push(new interface_cmds::af_packet_delete_cmd(m_hdl, m_name));
+ } else if (type_t::TAP == m_type) {
+ q.push(new interface_cmds::tap_delete_cmd(m_hdl));
+ } else if (type_t::VHOST == m_type) {
+ q.push(new interface_cmds::vhost_delete_cmd(m_hdl, m_name));
+ }
+
+ return (q);
+}
+
+void
+interface::update(const interface& desired)
+{
+ /*
+ * the desired state is always that the interface should be created
+ */
+ if (rc_t::OK != m_hdl.rc()) {
+ std::queue<cmd*> cmds;
+ HW::enqueue(mk_create_cmd(cmds));
+ /*
+ * interface create now, so we can barf early if it fails
+ */
+ HW::write();
+ }
+
+ /*
+ * If the interface is not created do other commands should be issued
+ */
+ if (rc_t::OK != m_hdl.rc())
+ return;
+
+ /*
+ * change the interface state to that which is deisred
+ */
+ if (m_state.update(desired.m_state)) {
+ HW::enqueue(new interface_cmds::state_change_cmd(m_state, m_hdl));
+ }
+
+ /*
+ * change the interface state to that which is deisred
+ */
+ if (m_l2_address.update(desired.m_l2_address)) {
+ HW::enqueue(new interface_cmds::set_mac_cmd(m_l2_address, m_hdl));
+ }
+
+ /*
+ * If the interface is mapped into a route domain, set VPP's
+ * table ID
+ */
+ if (m_rd != desired.m_rd) {
+ /*
+ * changing route domains. need to remove all L3 bindings, swap the table
+ * then reapply the bindings.
+ */
+ auto it = l3_binding::cbegin();
+
+ while (it != l3_binding::cend()) {
+ if (it->second.lock()->itf().key() == key())
+ it->second.lock()->sweep();
+ ++it;
+ }
+ m_rd = desired.m_rd;
+ m_table_id.update(m_rd ? m_rd->table_id() : route::DEFAULT_TABLE);
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl));
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV6, m_hdl));
+ HW::write();
+
+ it = l3_binding::cbegin();
+ while (it != l3_binding::cend()) {
+ if (it->second.lock()->itf().key() == key())
+ it->second.lock()->replay(); //(*it->second.lock());
+ ++it;
+ }
+ } else if (!m_table_id && m_rd) {
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl));
+ HW::enqueue(
+ new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV6, m_hdl));
+ }
+}
+
+void
+interface::set(const admin_state_t& state)
+{
+ m_state = state;
+}
+
+void
+interface::set(const l2_address_t& addr)
+{
+ assert(rc_t::UNSET == m_l2_address.rc());
+ m_l2_address.set(rc_t::NOOP);
+ m_l2_address.update(addr);
+}
+
+void
+interface::set(const handle_t& hdl)
+{
+ m_hdl = hdl;
+}
+
+void
+interface::set(const oper_state_t& state)
+{
+ m_oper = state;
+}
+
+void
+interface::set(const std::string& tag)
+{
+ m_tag = tag;
+}
+
+void
+interface::enable_stats_i(interface::stat_listener& el, const stats_type_t& st)
+{
+ if (!m_stats) {
+ if (stats_type_t::DETAILED == st) {
+ m_stats_type = st;
+ HW::enqueue(new interface_cmds::collect_detail_stats_change_cmd(
+ m_stats_type, handle_i(), true));
+ }
+ m_stats.reset(new interface_cmds::stats_enable_cmd(el, handle_i()));
+ HW::enqueue(m_stats);
+ HW::write();
+ }
+}
+
+void
+interface::enable_stats(interface::stat_listener& el, const stats_type_t& st)
+{
+ singular()->enable_stats_i(el, st);
+}
+
+std::shared_ptr<interface>
+interface::singular_i() const
+{
+ return (m_db.find_or_add(key(), *this));
+}
+
+std::shared_ptr<interface>
+interface::singular() const
+{
+ return singular_i();
+}
+
+std::shared_ptr<interface>
+interface::find(const key_t& k)
+{
+ return (m_db.find(k));
+}
+
+std::shared_ptr<interface>
+interface::find(const handle_t& handle)
+{
+ return (m_hdl_db[handle].lock());
+}
+
+void
+interface::add(const key_t& key, const HW::item<handle_t>& item)
+{
+ std::shared_ptr<interface> sp = find(key);
+
+ if (sp && item) {
+ m_hdl_db[item.data()] = sp;
+ }
+}
+
+void
+interface::remove(const HW::item<handle_t>& item)
+{
+ m_hdl_db.erase(item.data());
+}
+
+void
+interface::dump(std::ostream& os)
+{
+ db_dump(m_db, os);
+}
+
+void
+interface::event_handler::handle_populate(const client_db::key_t& key)
+{
+ /*
+ * dump VPP current states
+ */
+ std::shared_ptr<interface_cmds::vhost_dump_cmd> vcmd =
+ std::make_shared<interface_cmds::vhost_dump_cmd>();
+
+ HW::enqueue(vcmd);
+ HW::write();
+
+ for (auto& vhost_itf_record : *vcmd) {
+ std::shared_ptr<interface> vitf =
+ interface_factory::new_vhost_user_interface(
+ vhost_itf_record.get_payload());
+ VOM_LOG(log_level_t::DEBUG) << " vhost-dump: " << vitf->to_string();
+ OM::commit(key, *vitf);
+ }
+
+ std::shared_ptr<interface_cmds::dump_cmd> cmd =
+ std::make_shared<interface_cmds::dump_cmd>();
+
+ HW::enqueue(cmd);
+ HW::write();
+
+ for (auto& itf_record : *cmd) {
+ auto payload = itf_record.get_payload();
+ VOM_LOG(log_level_t::DEBUG) << "dump: [" << payload.sw_if_index
+ << " name:" << (char*)payload.interface_name
+ << " tag:" << (char*)payload.tag << "]";
+
+ std::shared_ptr<interface> itf = interface_factory::new_interface(payload);
+
+ if (itf && interface::type_t::LOCAL != itf->type()) {
+ VOM_LOG(log_level_t::DEBUG) << "dump: " << itf->to_string();
+ /*
+ * Write each of the discovered interfaces into the OM,
+ * but disable the HW Command q whilst we do, so that no
+ * commands are sent to VPP
+ */
+ OM::commit(key, *itf);
+
+ /**
+ * Get the address configured on the interface
+ */
+ std::shared_ptr<l3_binding_cmds::dump_v4_cmd> dcmd =
+ std::make_shared<l3_binding_cmds::dump_v4_cmd>(
+ l3_binding_cmds::dump_v4_cmd(itf->handle()));
+
+ HW::enqueue(dcmd);
+ HW::write();
+
+ for (auto& l3_record : *dcmd) {
+ auto& payload = l3_record.get_payload();
+ const route::prefix_t pfx(payload.is_ipv6, payload.ip,
+ payload.prefix_length);
+
+ VOM_LOG(log_level_t::DEBUG) << "dump: " << pfx.to_string();
+
+ l3_binding l3(*itf, pfx);
+ OM::commit(key, l3);
+ }
+ }
+ }
+
+ std::shared_ptr<bond_interface_cmds::dump_cmd> bcmd =
+ std::make_shared<bond_interface_cmds::dump_cmd>();
+
+ HW::enqueue(bcmd);
+ HW::write();
+
+ for (auto& bond_itf_record : *bcmd) {
+ std::shared_ptr<bond_interface> bond_itf =
+ interface_factory::new_bond_interface(bond_itf_record.get_payload());
+
+ VOM_LOG(log_level_t::DEBUG) << " bond-dump:" << bond_itf->to_string();
+
+ /*
+ * Write each of the discovered interfaces into the OM,
+ * but disable the HW Command q whilst we do, so that no
+ * commands are sent to VPP
+ */
+ OM::commit(key, *bond_itf);
+
+ std::shared_ptr<bond_group_binding_cmds::dump_cmd> scmd =
+ std::make_shared<bond_group_binding_cmds::dump_cmd>(
+ bond_group_binding_cmds::dump_cmd(bond_itf->handle()));
+
+ HW::enqueue(scmd);
+ HW::write();
+
+ bond_group_binding::enslaved_itf_t enslaved_itfs;
+
+ for (auto& slave_itf_record : *scmd) {
+ bond_member slave_itf = interface_factory::new_bond_member_interface(
+ slave_itf_record.get_payload());
+
+ VOM_LOG(log_level_t::DEBUG) << " slave-dump:" << slave_itf.to_string();
+
+ /*
+ * Write each of the discovered interfaces into the OM,
+ * but disable the HW Command q whilst we do, so that no
+ * commands are sent to VPP
+ */
+ // OM::commit(slave_itf->key(), *slave_itf);
+ enslaved_itfs.insert(slave_itf);
+ }
+
+ if (!enslaved_itfs.empty()) {
+ bond_group_binding bid(*bond_itf, enslaved_itfs);
+ /*
+ * Write each of the discovered interfaces into the OM,
+ * but disable the HW Command q whilst we do, so that no
+ * commands are sent to VPP
+ */
+ OM::commit(key, bid);
+ }
+ }
+}
+
+interface::event_handler::event_handler()
+{
+ OM::register_listener(this);
+ inspect::register_handler({ "interface", "intf" }, "interfaces", this);
+}
+
+void
+interface::event_handler::handle_replay()
+{
+ m_db.replay();
+}
+
+dependency_t
+interface::event_handler::order() const
+{
+ return (dependency_t::INTERFACE);
+}
+
+void
+interface::event_handler::show(std::ostream& os)
+{
+ db_dump(m_db, os);
+}
+
+} // namespace VOM
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
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