/* * 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 #include "vom/interface_factory.hpp" #include "vom/sub_interface.hpp" #include "vom/tap_interface.hpp" namespace VOM { std::shared_ptr interface_factory::new_interface(const vapi_payload_sw_interface_details& vd) { std::shared_ptr sp; /** * Determine the interface type from the name and VLAN attributes */ std::string name = reinterpret_cast(vd.interface_name); interface::type_t type = interface::type_t::from_string(name); interface::admin_state_t state = interface::admin_state_t::from_int(vd.link_up_down); handle_t hdl(vd.sw_if_index); l2_address_t l2_address(vd.l2_address, vd.l2_address_length); if (interface::type_t::AFPACKET == type) { /* * need to strip VPP's "host-" prefix from the interface name */ name = name.substr(5); } /** * if the tag is set, then we wrote that to specify a name to make * the interface type more specific */ if (vd.tag[0] != 0) { name = std::string(reinterpret_cast(vd.tag)); type = interface::type_t::from_string(name); } /* * pull out the other special cases */ if (interface::type_t::TAP == type) { /* * TAP interface */ sp = tap_interface(name, state, route::prefix_t()).singular(); } else if ((name.find(".") != std::string::npos) && (0 != vd.sub_id)) { /* * Sub-interface * split the name into the parent and VLAN */ std::vector parts; boost::split(parts, name, boost::is_any_of(".")); interface parent(parts[0], type, state); sp = sub_interface(parent, state, vd.sub_id).singular(); } else if (interface::type_t::VXLAN == type) { /* * there's not enough information in a SW interface record to * construct a VXLAN tunnel. so skip it. */ } else { sp = interface(name, type, state).singular(); sp->set(l2_address); } /* * set the handle on the intterface - N.B. this is the sigluar instance * not a stack local. */ sp->set(hdl); return (sp); } }; // namespace VOM /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "mozilla") * End: */