diff options
Diffstat (limited to 'extras/deprecated/vom/vom/vxlan_tunnel.cpp')
-rw-r--r-- | extras/deprecated/vom/vom/vxlan_tunnel.cpp | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/extras/deprecated/vom/vom/vxlan_tunnel.cpp b/extras/deprecated/vom/vom/vxlan_tunnel.cpp new file mode 100644 index 00000000000..5da0c99987f --- /dev/null +++ b/extras/deprecated/vom/vom/vxlan_tunnel.cpp @@ -0,0 +1,359 @@ +/* + * 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/vxlan_tunnel.hpp" +#include "vom/api_types.hpp" +#include "vom/interface_cmds.hpp" +#include "vom/logger.hpp" +#include "vom/singular_db_funcs.hpp" +#include "vom/vxlan_gbp_tunnel_cmds.hpp" +#include "vom/vxlan_tunnel_cmds.hpp" + +namespace VOM { +const std::string VXLAN_TUNNEL_NAME = "vxlan-tunnel-itf"; + +vxlan_tunnel::event_handler vxlan_tunnel::m_evh; + +const vxlan_tunnel::mode_t vxlan_tunnel::mode_t::STANDARD(0, "standard"); +const vxlan_tunnel::mode_t vxlan_tunnel::mode_t::GBP_L2(1, "GBP-L2"); +const vxlan_tunnel::mode_t vxlan_tunnel::mode_t::GBP_L3(2, "GBP-L3"); +const vxlan_tunnel::mode_t vxlan_tunnel::mode_t::GPE(3, "GPE"); + +vxlan_tunnel::mode_t::mode_t(int v, const std::string s) + : enum_base<vxlan_tunnel::mode_t>(v, s) +{} + +vxlan_tunnel::endpoint_t::endpoint_t(const boost::asio::ip::address& src, + const boost::asio::ip::address& dst, + uint32_t vni) + : src(src) + , dst(dst) + , vni(vni) +{} + +vxlan_tunnel::endpoint_t::endpoint_t() + : src() + , dst() + , vni(0) +{} + +bool +vxlan_tunnel::endpoint_t::operator==(const endpoint_t& other) const +{ + return ((src == other.src) && (dst == other.dst) && (vni == other.vni)); +} + +std::string +vxlan_tunnel::endpoint_t::to_string() const +{ + std::ostringstream s; + + s << "ep:[" + << "src:" << src.to_string() << " dst:" << dst.to_string() << " vni:" << vni + << "]"; + + return (s.str()); +} + +std::string +vxlan_tunnel::mk_name(const boost::asio::ip::address& src, + const boost::asio::ip::address& dst, + const mode_t& mode, + uint32_t vni) +{ + std::ostringstream s; + + s << VXLAN_TUNNEL_NAME << "-" << mode.to_string() << "-" << src << "-" << dst + << ":" << vni; + + return (s.str()); +} + +vxlan_tunnel::vxlan_tunnel(const boost::asio::ip::address& src, + const boost::asio::ip::address& dst, + uint32_t vni, + const mode_t& mode) + : interface(mk_name(src, dst, mode, vni), + interface::type_t::VXLAN, + interface::admin_state_t::UP) + , m_tep(src, dst, vni) + , m_mode(mode) + , m_mcast_itf() + , m_rd() + , m_table_id(route::DEFAULT_TABLE) +{} + +vxlan_tunnel::vxlan_tunnel(const boost::asio::ip::address& src, + const boost::asio::ip::address& dst, + uint32_t vni, + const interface& mcast_itf, + const mode_t& mode) + : interface(mk_name(src, dst, mode, vni), + interface::type_t::VXLAN, + interface::admin_state_t::UP) + , m_tep(src, dst, vni) + , m_mode(mode) + , m_mcast_itf(mcast_itf.singular()) + , m_rd() + , m_table_id(route::DEFAULT_TABLE) +{} + +vxlan_tunnel::vxlan_tunnel(const boost::asio::ip::address& src, + const boost::asio::ip::address& dst, + uint32_t vni, + const route_domain& rd, + const mode_t& mode) + : interface(mk_name(src, dst, mode, vni), + interface::type_t::VXLAN, + interface::admin_state_t::UP) + , m_tep(src, dst, vni) + , m_mode(mode) + , m_mcast_itf() + , m_rd(rd.singular()) + , m_table_id(m_rd->table_id()) +{} + +vxlan_tunnel::vxlan_tunnel(const vxlan_tunnel& o) + : interface(o) + , m_tep(o.m_tep) + , m_mode(o.m_mode) + , m_mcast_itf(o.m_mcast_itf) + , m_rd(o.m_rd) + , m_table_id(o.m_table_id) +{} + +bool +vxlan_tunnel::operator==(const vxlan_tunnel& other) const +{ + return ((m_tep == other.m_tep) && (m_mode == other.m_mode) && + (m_mcast_itf == other.m_mcast_itf)); +} + +const handle_t& +vxlan_tunnel::handle() const +{ + return (m_hdl.data()); +} + +std::shared_ptr<vxlan_tunnel> +vxlan_tunnel::find(const interface::key_t& k) +{ + return std::dynamic_pointer_cast<vxlan_tunnel>(m_db.find(k)); +} + +void +vxlan_tunnel::sweep() +{ + if (m_hdl) { + if (mode_t::STANDARD == m_mode) + HW::enqueue(new vxlan_tunnel_cmds::delete_cmd(m_hdl, m_tep)); + else if (mode_t::GBP_L2 == m_mode || mode_t::GBP_L3 == m_mode) + HW::enqueue(new vxlan_gbp_tunnel_cmds::delete_cmd(m_hdl, m_tep)); + } + HW::write(); +} + +void +vxlan_tunnel::replay() +{ + if (m_hdl) { + if (mode_t::STANDARD == m_mode) + HW::enqueue(new vxlan_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + else if (mode_t::GBP_L2 == m_mode) + HW::enqueue(new vxlan_gbp_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + true, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + else if (mode_t::GBP_L3 == m_mode) + HW::enqueue(new vxlan_gbp_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + false, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + } + if (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)); + } +} + +vxlan_tunnel::~vxlan_tunnel() +{ + sweep(); + release(); +} + +std::string +vxlan_tunnel::to_string() const +{ + std::ostringstream s; + s << "vxlan-tunnel: " << m_hdl.to_string() << " " << m_mode.to_string() << " " + << m_tep.to_string(); + if (m_mcast_itf) + s << " " << m_mcast_itf->to_string(); + + return (s.str()); +} + +void +vxlan_tunnel::update(const vxlan_tunnel& desired) +{ + /* + * the desired state is always that the interface should be created + */ + if (rc_t::OK != m_hdl.rc()) { + if (mode_t::STANDARD == m_mode) + HW::enqueue(new vxlan_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + else if (mode_t::GBP_L2 == m_mode) + HW::enqueue(new vxlan_gbp_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + true, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + else if (mode_t::GBP_L3 == m_mode) + HW::enqueue(new vxlan_gbp_tunnel_cmds::create_cmd( + m_hdl, + name(), + m_tep, + false, + (m_mcast_itf ? m_mcast_itf->handle() : handle_t::INVALID))); + } + 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)); + } +} + +std::shared_ptr<vxlan_tunnel> +vxlan_tunnel::singular() const +{ + return std::dynamic_pointer_cast<vxlan_tunnel>(singular_i()); +} + +std::shared_ptr<interface> +vxlan_tunnel::singular_i() const +{ + return m_db.find_or_add(key(), *this); +} + +void +vxlan_tunnel::event_handler::handle_populate(const client_db::key_t& key) +{ + /* + * dump VPP current states + */ + { + std::shared_ptr<vxlan_tunnel_cmds::dump_cmd> cmd = + std::make_shared<vxlan_tunnel_cmds::dump_cmd>(); + + HW::enqueue(cmd); + HW::write(); + + for (auto& record : *cmd) { + auto& payload = record.get_payload(); + handle_t hdl(payload.sw_if_index); + boost::asio::ip::address src = + from_bytes(payload.src_address.af, (uint8_t*)&payload.src_address.un); + boost::asio::ip::address dst = + from_bytes(payload.dst_address.af, (uint8_t*)&payload.dst_address.un); + + std::shared_ptr<vxlan_tunnel> vt = + vxlan_tunnel(src, dst, payload.vni).singular(); + vt->set(hdl); + + VOM_LOG(log_level_t::DEBUG) << "dump: " << vt->to_string(); + + OM::commit(key, *vt); + } + } + { + std::shared_ptr<vxlan_gbp_tunnel_cmds::dump_cmd> cmd = + std::make_shared<vxlan_gbp_tunnel_cmds::dump_cmd>(); + + HW::enqueue(cmd); + HW::write(); + + for (auto& record : *cmd) { + auto& payload = record.get_payload(); + handle_t hdl(payload.tunnel.sw_if_index); + boost::asio::ip::address src = from_api(payload.tunnel.src); + boost::asio::ip::address dst = from_api(payload.tunnel.dst); + + std::shared_ptr<vxlan_tunnel> vt = + vxlan_tunnel(src, + dst, + payload.tunnel.vni, + (payload.tunnel.mode == VXLAN_GBP_API_TUNNEL_MODE_L2 + ? mode_t::GBP_L2 + : mode_t::GBP_L3)) + .singular(); + vt->set(hdl); + + VOM_LOG(log_level_t::DEBUG) << "dump: " << vt->to_string(); + + OM::commit(key, *vt); + } + } +} + +vxlan_tunnel::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "vxlan" }, "VXLAN Tunnels", this); +} + +void +vxlan_tunnel::event_handler::handle_replay() +{ + // replay is handled from the interface DB +} + +dependency_t +vxlan_tunnel::event_handler::order() const +{ + return (dependency_t::VIRTUAL_INTERFACE); +} + +void +vxlan_tunnel::event_handler::show(std::ostream& os) +{ + // dumped by the interface handler +} + +}; // namespace VOM + +/* + * fd.io coding-style-patch-verification: OFF + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |