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Diffstat (limited to 'extras/vom/vom/interface_factory.cpp')
-rw-r--r-- | extras/vom/vom/interface_factory.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/extras/vom/vom/interface_factory.cpp b/extras/vom/vom/interface_factory.cpp new file mode 100644 index 00000000000..417f4775a7a --- /dev/null +++ b/extras/vom/vom/interface_factory.cpp @@ -0,0 +1,172 @@ +/* + * 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 <boost/algorithm/string.hpp> + +#include "vom/bond_interface.hpp" +#include "vom/bond_member.hpp" +#include "vom/interface_factory.hpp" +#include "vom/sub_interface.hpp" +#include "vom/tap_interface.hpp" + +namespace VOM { +std::shared_ptr<interface> +interface_factory::new_interface(const vapi_payload_sw_interface_details& vd) +{ + std::shared_ptr<interface> sp; + + /** + * Determine the interface type from the name and VLAN attributes + */ + std::string name = reinterpret_cast<const char*>(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); + std::string tag = ""; + + 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) { + tag = std::string(reinterpret_cast<const char*>(vd.tag)); + } + + if (!tag.empty() && interface::type_t::LOOPBACK == type) { + name = 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(); + if (sp && !tag.empty()) + sp->set(tag); + } else if ((name.find(".") != std::string::npos) && (0 != vd.sub_id)) { + /* + * Sub-interface + * split the name into the parent and VLAN + */ + std::vector<std::string> parts; + boost::split(parts, name, boost::is_any_of(".")); + + interface parent(parts[0], type, state, tag); + 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. They have + * their own dump routines + */ + } else if (interface::type_t::VHOST == type) { + /* + * vhost interface already exist in db, look for it using + * sw_if_index + */ + sp = interface::find(hdl); + if (sp) { + sp->set(state); + sp->set(l2_address); + if (!tag.empty()) + sp->set(tag); + } + } else if (interface::type_t::BOND == type) { + sp = bond_interface(name, state, l2_address, + bond_interface::mode_t::UNSPECIFIED) + .singular(); + } else { + sp = interface(name, type, state, tag).singular(); + sp->set(l2_address); + } + + /* + * set the handle on the intterface - N.B. this is the sigluar instance + * not a stack local. + */ + if (sp) + sp->set(hdl); + + return (sp); +} + +std::shared_ptr<interface> +interface_factory::new_vhost_user_interface( + const vapi_payload_sw_interface_vhost_user_details& vd) +{ + std::shared_ptr<interface> sp; + std::string name = reinterpret_cast<const char*>(vd.sock_filename); + interface::type_t type = interface::type_t::from_string(name); + handle_t hdl(vd.sw_if_index); + + sp = interface(name, type, interface::admin_state_t::DOWN).singular(); + sp->set(hdl); + return (sp); +} + +std::shared_ptr<bond_interface> +interface_factory::new_bond_interface( + const vapi_payload_sw_interface_bond_details& vd) +{ + std::shared_ptr<bond_interface> sp; + std::string name = reinterpret_cast<const char*>(vd.interface_name); + handle_t hdl(vd.sw_if_index); + bond_interface::mode_t mode = + bond_interface::mode_t::from_numeric_val(vd.mode); + bond_interface::lb_t lb = bond_interface::lb_t::from_numeric_val(vd.lb); + sp = bond_interface::find(hdl); + if (sp) { + sp->set(mode); + sp->set(lb); + } + return (sp); +} + +bond_member +interface_factory::new_bond_member_interface( + const vapi_payload_sw_interface_slave_details& vd) +{ + std::shared_ptr<bond_member> sp; + std::string name = reinterpret_cast<const char*>(vd.interface_name); + handle_t hdl(vd.sw_if_index); + bond_member::mode_t mode = + bond_member::mode_t::from_numeric_val(vd.is_passive); + bond_member::rate_t rate = + bond_member::rate_t::from_numeric_val(vd.is_long_timeout); + std::shared_ptr<interface> itf = interface::find(hdl); + bond_member bm(*itf, mode, rate); + return (bm); +} +}; // namespace VOM + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |