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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 "vom/tap_interface.hpp"
#include "vom/tap_interface_cmds.hpp"
#include <vapi/vpe.api.vapi.hpp>
namespace VOM {
tap_interface::event_handler tap_interface::m_evh;
/**
* Construct a new object matching the desried state
*/
tap_interface::tap_interface(const std::string& name,
admin_state_t state,
route::prefix_t prefix)
: interface(name, type_t::TAP, state)
, m_prefix(prefix)
, m_l2_address(l2_address_t::ZERO)
{
}
tap_interface::tap_interface(const std::string& name,
admin_state_t state,
route::prefix_t prefix,
const l2_address_t& l2_address)
: interface(name, type_t::TAP, state)
, m_prefix(prefix)
, m_l2_address(l2_address)
{
}
tap_interface::~tap_interface()
{
sweep();
release();
}
tap_interface::tap_interface(const tap_interface& o)
: interface(o)
, m_prefix(o.m_prefix)
, m_l2_address(o.m_l2_address)
{
}
std::queue<cmd*>&
tap_interface::mk_create_cmd(std::queue<cmd*>& q)
{
q.push(
new tap_interface_cmds::create_cmd(m_hdl, name(), m_prefix, m_l2_address));
return (q);
}
std::queue<cmd*>&
tap_interface::mk_delete_cmd(std::queue<cmd*>& q)
{
q.push(new tap_interface_cmds::delete_cmd(m_hdl));
return (q);
}
std::shared_ptr<tap_interface>
tap_interface::singular() const
{
return std::dynamic_pointer_cast<tap_interface>(singular_i());
}
std::shared_ptr<interface>
tap_interface::singular_i() const
{
return m_db.find_or_add(name(), *this);
}
void
tap_interface::event_handler::handle_populate(const client_db::key_t& key)
{
/*
* dump VPP current states
*/
std::shared_ptr<tap_interface_cmds::dump_cmd> cmd =
std::make_shared<tap_interface_cmds::dump_cmd>();
HW::enqueue(cmd);
HW::write();
for (auto& record : *cmd) {
auto& payload = record.get_payload();
std::string name = reinterpret_cast<const char*>(payload.dev_name);
tap_interface itf(name, interface::admin_state_t::UP,
route::prefix_t::ZERO);
VOM_LOG(log_level_t::DEBUG) << "tap-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);
}
}
tap_interface::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "tap" }, "tap_interfaces", this);
}
void
tap_interface::event_handler::handle_replay()
{
m_db.replay();
}
dependency_t
tap_interface::event_handler::order() const
{
return (dependency_t::INTERFACE);
}
void
tap_interface::event_handler::show(std::ostream& os)
{
// dumped by the interface handler
}
}; // namespace VOM
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
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