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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/gbp_vxlan.hpp"
#include "vom/api_types.hpp"
#include "vom/gbp_vxlan_cmds.hpp"
#include "vom/interface.hpp"
#include "vom/singular_db_funcs.hpp"
namespace VOM {
const std::string GBP_VXLAN_NAME = "gbp-vxlan";
/**
* A DB of al the interfaces, key on the name
*/
singular_db<gbp_vxlan::key_t, gbp_vxlan> gbp_vxlan::m_db;
gbp_vxlan::event_handler gbp_vxlan::m_evh;
gbp_vxlan::gbp_vxlan(uint32_t vni,
const gbp_route_domain& grd,
const boost::asio::ip::address_v4& src)
: interface(mk_name(vni),
interface::type_t::UNKNOWN,
interface::admin_state_t::UP)
, m_vni(vni)
, m_gbd()
, m_grd(grd.singular())
, m_src(src)
{
}
gbp_vxlan::gbp_vxlan(uint32_t vni,
const gbp_bridge_domain& gbd,
const boost::asio::ip::address_v4& src)
: interface(mk_name(vni),
interface::type_t::UNKNOWN,
interface::admin_state_t::UP)
, m_vni(vni)
, m_gbd(gbd.singular())
, m_grd()
, m_src(src)
{
}
gbp_vxlan::gbp_vxlan(const gbp_vxlan& vt)
: interface(vt)
, m_vni(vt.m_vni)
, m_gbd(vt.m_gbd)
, m_grd(vt.m_grd)
, m_src(vt.m_src)
{
}
std::string
gbp_vxlan::mk_name(uint32_t vni)
{
std::ostringstream s;
s << GBP_VXLAN_NAME << "-" << vni;
return (s.str());
}
const gbp_vxlan::key_t
gbp_vxlan::key() const
{
return (m_vni);
}
bool
gbp_vxlan::operator==(const gbp_vxlan& vt) const
{
return (m_vni == vt.m_vni && m_src == vt.m_src);
}
void
gbp_vxlan::sweep()
{
if (rc_t::OK == m_hdl) {
HW::enqueue(new gbp_vxlan_cmds::delete_cmd(m_hdl, m_vni));
}
HW::write();
}
void
gbp_vxlan::replay()
{
if (rc_t::OK == m_hdl) {
if (m_grd)
HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_src, m_vni,
false, m_grd->id()));
else if (m_gbd)
HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_src, m_vni,
true, m_gbd->id()));
}
}
gbp_vxlan::~gbp_vxlan()
{
sweep();
m_db.release(key(), this);
}
std::string
gbp_vxlan::to_string() const
{
std::ostringstream s;
s << "gbp-vxlan:[" << m_vni << "]";
return (s.str());
}
std::shared_ptr<gbp_vxlan>
gbp_vxlan::find(const key_t key)
{
return (m_db.find(key));
}
void
gbp_vxlan::update(const gbp_vxlan& desired)
{
/*
* the desired state is always that the interface should be created
*/
if (rc_t::OK != m_hdl) {
if (m_grd)
HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_src, m_vni,
false, m_grd->id()));
else if (m_gbd)
HW::enqueue(new gbp_vxlan_cmds::create_cmd(m_hdl, name(), m_src, m_vni,
true, m_gbd->id()));
}
}
std::shared_ptr<gbp_vxlan>
gbp_vxlan::find_or_add(const gbp_vxlan& temp)
{
return (m_db.find_or_add(temp.key(), temp));
}
std::shared_ptr<gbp_vxlan>
gbp_vxlan::singular() const
{
return find_or_add(*this);
}
std::shared_ptr<interface>
gbp_vxlan::singular_i() const
{
return find_or_add(*this);
}
void
gbp_vxlan::dump(std::ostream& os)
{
db_dump(m_db, os);
}
void
gbp_vxlan::event_handler::handle_populate(const client_db::key_t& key)
{
/*
* dump VPP Bridge domains
*/
std::shared_ptr<gbp_vxlan_cmds::dump_cmd> cmd =
std::make_shared<gbp_vxlan_cmds::dump_cmd>();
HW::enqueue(cmd);
HW::write();
for (auto& record : *cmd) {
auto& payload = record.get_payload();
boost::asio::ip::address_v4 src = from_api(payload.tunnel.src);
if (GBP_VXLAN_TUNNEL_MODE_L3 == payload.tunnel.mode) {
auto rd = gbp_route_domain::find(payload.tunnel.bd_rd_id);
if (rd) {
gbp_vxlan vt(payload.tunnel.vni, *rd, src);
OM::commit(key, vt);
VOM_LOG(log_level_t::DEBUG) << "dump: " << vt.to_string();
}
} else {
auto bd = gbp_bridge_domain::find(payload.tunnel.bd_rd_id);
if (bd) {
gbp_vxlan vt(payload.tunnel.vni, *bd, src);
OM::commit(key, vt);
VOM_LOG(log_level_t::DEBUG) << "dump: " << vt.to_string();
}
}
}
}
gbp_vxlan::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "gvt", "gbp-vxlan-tunnel" }, "GBP VXLAN Tunnels",
this);
}
void
gbp_vxlan::event_handler::handle_replay()
{
m_db.replay();
}
dependency_t
gbp_vxlan::event_handler::order() const
{
return (dependency_t::BINDING);
}
void
gbp_vxlan::event_handler::show(std::ostream& os)
{
db_dump(m_db, os);
}
}
/*
* fd.io coding-style-patch-verification: OFF
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
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