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Diffstat (limited to 'extras/deprecated/vom/vom/interface.cpp')
| -rw-r--r-- | extras/deprecated/vom/vom/interface.cpp | 776 |
1 files changed, 776 insertions, 0 deletions
diff --git a/extras/deprecated/vom/vom/interface.cpp b/extras/deprecated/vom/vom/interface.cpp new file mode 100644 index 00000000000..fcb88b3554c --- /dev/null +++ b/extras/deprecated/vom/vom/interface.cpp @@ -0,0 +1,776 @@ +/* + * 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/api_types.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" +#include "vom/stat_reader.hpp" +#include "vom/tap_interface_cmds.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; + +/** + * the event enable command. + */ +std::shared_ptr<interface_cmds::events_cmd> interface::m_events_cmd; + +/** + * 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_stats({}) + , m_listener(nullptr) + , 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_stats({}) + , m_listener(nullptr) + , 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_stats(o.m_stats) + , m_listener(o.m_listener) + , 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()); +} + +const interface::admin_state_t& +interface::admin_state() const +{ + return (m_state.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_listener) { + disable_stats_i(); + } + + // 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_listener) { + enable_stats(m_listener, m_stats_type.data()); + } + + 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) { + 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::BVI == m_type) { + q.push(new interface_cmds::bvi_create_cmd(m_hdl, m_name)); + q.push(new interface_cmds::set_tag(m_hdl, m_name)); + 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::TAPV2 == m_type) { + 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) { + q.push(new interface_cmds::loopback_delete_cmd(m_hdl)); + } else if (type_t::BVI == m_type) { + q.push(new interface_cmds::bvi_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::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) +{ + m_l2_address = { addr, rc_t::NOOP }; +} + +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::set(const counter_t& count, const std::string& stat_type) +{ + if ("rx" == stat_type) + m_stats.m_rx = count; + else if ("tx" == stat_type) + m_stats.m_tx = count; + else if ("drops" == stat_type) + m_stats.m_drop = count; + else if ("rx-unicast" == stat_type) + m_stats.m_rx_unicast = count; + else if ("tx-unicast" == stat_type) + m_stats.m_tx_unicast = count; + else if ("rx-multicast" == stat_type) + m_stats.m_rx_multicast = count; + else if ("tx-multicast" == stat_type) + m_stats.m_tx_multicast = count; + else if ("rx-broadcast" == stat_type) + m_stats.m_rx_broadcast = count; + else if ("tx-broadcast" == stat_type) + m_stats.m_rx_broadcast = count; +} + +const interface::stats_t& +interface::get_stats(void) const +{ + return m_stats; +} + +void +interface::publish_stats() +{ + m_listener->handle_interface_stat(*this); +} + +std::ostream& +operator<<(std::ostream& os, const interface::stats_t& stats) +{ + os << "[" + << "rx " << stats.m_rx << " rx-unicast " << stats.m_rx_unicast + << " rx-multicast " << stats.m_rx_multicast << " rx-broadcast " + << stats.m_rx_broadcast << " tx " << stats.m_tx << " tx-unicast " + << stats.m_tx_unicast << " tx-multicast " << stats.m_tx_multicast + << " tx-broadcast " << stats.m_tx_broadcast << " drops " << stats.m_drop + << "]" << std::endl; + + return (os); +} + +void +interface::enable_stats_i(interface::stat_listener* el, const stats_type_t& st) +{ + if (el != NULL) { + if (stats_type_t::DETAILED == st) { + m_stats_type.set(rc_t::NOOP); + HW::enqueue(new interface_cmds::collect_detail_stats_change_cmd( + m_stats_type, handle_i(), true)); + } + stat_reader::registers(*this); + m_listener = el; + } +} + +void +interface::enable_stats(interface::stat_listener* el, const stats_type_t& st) +{ + singular()->enable_stats_i(el, st); +} + +void +interface::disable_stats_i() +{ + if (m_listener != NULL) { + if (stats_type_t::DETAILED == m_stats_type) { + HW::enqueue(new interface_cmds::collect_detail_stats_change_cmd( + m_stats_type, handle_i(), false)); + } + stat_reader::unregisters(*this); + m_listener = NULL; + } +} + +void +interface::disable_stats() +{ + singular()->disable_stats_i(); +} + +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::enable_events(interface::event_listener& el) +{ + m_events_cmd = std::make_shared<interface_cmds::events_cmd>(el); + HW::enqueue(m_events_cmd); + HW::write(); +} + +void +interface::disable_events() +{ + m_events_cmd.reset(); +} + +void +interface::event_handler::handle_populate(const client_db::key_t& key) +{ + /* + * dump VPP vhost-user interfaces + */ + 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); + } + + /* + * dump VPP af-packet interfaces + */ + std::shared_ptr<interface_cmds::af_packet_dump_cmd> afcmd = + std::make_shared<interface_cmds::af_packet_dump_cmd>(); + + HW::enqueue(afcmd); + HW::write(); + + for (auto& af_packet_itf_record : *afcmd) { + std::shared_ptr<interface> afitf = + interface_factory::new_af_packet_interface( + af_packet_itf_record.get_payload()); + VOM_LOG(log_level_t::DEBUG) << " af_packet-dump: " << afitf->to_string(); + OM::commit(key, *afitf); + } + + /* + * dump VPP tapv2 interfaces + */ + std::shared_ptr<tap_interface_cmds::tapv2_dump_cmd> tapv2cmd = + std::make_shared<tap_interface_cmds::tapv2_dump_cmd>(); + + HW::enqueue(tapv2cmd); + HW::write(); + + for (auto& tapv2_record : *tapv2cmd) { + std::shared_ptr<tap_interface> tapv2itf = + interface_factory::new_tap_interface(tapv2_record.get_payload()); + VOM_LOG(log_level_t::DEBUG) << "tapv2-dump: " << tapv2itf->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, *tapv2itf); + } + + /* + * dump VPP interfaces + */ + 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 = from_api(payload.prefix); + + VOM_LOG(log_level_t::DEBUG) << "dump: " << pfx.to_string(); + + l3_binding l3(*itf, pfx); + OM::commit(key, l3); + } + } + } + + /* + * dump VPP bond interfaces + */ + 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: OFF + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |