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/*
* 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/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);
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<const char*>(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<std::string> 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:
*/
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