2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include "vom/route.hpp"
17 #include "vom/route_cmds.hpp"
18 #include "vom/singular_db.hpp"
22 singular_db<ip_route::key_t, ip_route> ip_route::m_db;
24 const path::special_t path::special_t::STANDARD(0, "standard");
25 const path::special_t path::special_t::LOCAL(0, "local");
26 const path::special_t path::special_t::DROP(0, "standard");
27 const path::special_t path::special_t::UNREACH(0, "unreachable");
28 const path::special_t path::special_t::PROHIBIT(0, "prohibit");
30 path::special_t::special_t(int v, const std::string& s)
31 : enum_base<path::special_t>(v, s)
35 path::path(special_t special)
37 , m_nh_proto(nh_proto_t::IPV4)
40 , m_interface(nullptr)
46 path::path(const boost::asio::ip::address& nh,
47 const interface& interface,
50 : m_type(special_t::STANDARD)
51 , m_nh_proto(nh_proto_t::from_address(nh))
54 , m_interface(interface.singular())
56 , m_preference(preference)
60 path::path(const route_domain& rd,
61 const boost::asio::ip::address& nh,
64 : m_type(special_t::STANDARD)
65 , m_nh_proto(nh_proto_t::from_address(nh))
68 , m_interface(nullptr)
70 , m_preference(preference)
74 path::path(const interface& interface,
75 const nh_proto_t& proto,
78 : m_type(special_t::STANDARD)
82 , m_interface(interface.singular())
84 , m_preference(preference)
88 path::path(const path& p)
90 , m_nh_proto(p.m_nh_proto)
93 , m_interface(p.m_interface)
94 , m_weight(p.m_weight)
95 , m_preference(p.m_preference)
100 path::operator<(const path& p) const
102 if (m_type < p.m_type)
104 if (m_rd->table_id() < p.m_rd->table_id())
108 if (m_interface->handle() < p.m_interface->handle())
115 path::to_string() const
117 std::ostringstream s;
120 << "type:" << m_type.to_string() << " proto:" << m_nh_proto.to_string()
121 << " neighbour:" << m_nh.to_string();
123 s << " " << m_rd->to_string();
126 s << " " << m_interface->to_string();
128 s << " weight:" << static_cast<int>(m_weight)
129 << " preference:" << static_cast<int>(m_preference) << "]";
141 path::nh_proto() const
146 const boost::asio::ip::address&
152 std::shared_ptr<route_domain>
158 std::shared_ptr<interface>
171 path::preference() const
176 ip_route::ip_route(const prefix_t& prefix)
178 , m_rd(route_domain::get_default())
184 ip_route::ip_route(const ip_route& r)
187 , m_prefix(r.m_prefix)
192 ip_route::ip_route(const route_domain& rd, const prefix_t& prefix)
194 , m_rd(rd.singular())
200 ip_route::~ip_route()
204 // not in the DB anymore.
205 m_db.release(std::make_pair(m_rd->table_id(), m_prefix), this);
209 ip_route::add(const path& path)
211 m_paths.insert(path);
215 ip_route::remove(const path& path)
225 new ip_route_cmds::delete_cmd(m_hw, m_rd->table_id(), m_prefix));
235 new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
239 ip_route::to_string() const
241 std::ostringstream s;
242 s << "route:[" << m_rd->to_string() << ", " << m_prefix.to_string() << " ["
250 ip_route::update(const ip_route& r)
253 * create the table if it is not yet created
255 if (rc_t::OK != m_hw.rc()) {
257 new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
261 std::shared_ptr<ip_route>
262 ip_route::find_or_add(const ip_route& temp)
264 return (m_db.find_or_add(std::make_pair(temp.m_rd->table_id(), temp.m_prefix),
268 std::shared_ptr<ip_route>
269 ip_route::singular() const
271 return find_or_add(*this);
275 ip_route::dump(std::ostream& os)
280 ip_route::event_handler::event_handler()
282 OM::register_listener(this);
283 inspect::register_handler({ "ip-route" }, "ip route configurations", this);
287 ip_route::event_handler::handle_replay()
293 ip_route::event_handler::handle_populate(const client_db::key_t& key)
295 std::shared_ptr<ip_route_cmds::dump_v4_cmd> cmd_v4(
296 new ip_route_cmds::dump_v4_cmd());
297 std::shared_ptr<ip_route_cmds::dump_v6_cmd> cmd_v6(
298 new ip_route_cmds::dump_v6_cmd());
304 for (auto& record : *cmd_v4) {
305 auto& payload = record.get_payload();
307 prefix_t pfx(0, payload.address, payload.address_length);
310 * populating the route domain here
312 route_domain rd_temp(payload.table_id);
313 std::shared_ptr<route_domain> rd = route_domain::find(rd_temp);
315 OM::commit(key, rd_temp);
317 ip_route ip_r(rd_temp, pfx);
319 for (unsigned int i = 0; i < payload.count; i++) {
320 vapi_type_fib_path p = payload.path[i];
322 path path_v4(path::special_t::LOCAL);
324 } else if (p.is_drop) {
325 path path_v4(path::special_t::DROP);
327 } else if (p.is_unreach) {
328 path path_v4(path::special_t::UNREACH);
330 } else if (p.is_prohibit) {
331 path path_v4(path::special_t::PROHIBIT);
334 std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
335 boost::asio::ip::address address = from_bytes(0, p.next_hop);
336 path path_v4(address, *itf, p.weight, p.preference);
340 VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.to_string();
343 * Write each of the discovered interfaces into the OM,
344 * but disable the HW Command q whilst we do, so that no
345 * commands are sent to VPP
347 OM::commit(key, ip_r);
350 for (auto& record : *cmd_v6) {
351 auto& payload = record.get_payload();
353 prefix_t pfx(1, payload.address, payload.address_length);
354 route_domain rd_temp(payload.table_id);
355 std::shared_ptr<route_domain> rd = route_domain::find(rd_temp);
357 OM::commit(key, rd_temp);
359 ip_route ip_r(rd_temp, pfx);
361 for (unsigned int i = 0; i < payload.count; i++) {
362 vapi_type_fib_path p = payload.path[i];
364 path path_v6(path::special_t::LOCAL);
366 } else if (p.is_drop) {
367 path path_v6(path::special_t::DROP);
369 } else if (p.is_unreach) {
370 path path_v6(path::special_t::UNREACH);
372 } else if (p.is_prohibit) {
373 path path_v6(path::special_t::PROHIBIT);
376 std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
377 boost::asio::ip::address address = from_bytes(1, p.next_hop);
378 path path_v6(address, *itf, p.weight, p.preference);
382 VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.to_string();
385 * Write each of the discovered interfaces into the OM,
386 * but disable the HW Command q whilst we do, so that no
387 * commands are sent to VPP
389 OM::commit(key, ip_r);
394 ip_route::event_handler::order() const
396 return (dependency_t::BINDING);
400 ip_route::event_handler::show(std::ostream& os)
406 operator<<(std::ostream& os, const ip_route::key_t& key)
408 os << "[" << key.first << ", " << key.second.to_string() << "]";
414 operator<<(std::ostream& os, const path_list_t& key)
418 os << k.to_string() << " ";
427 * fd.io coding-style-patch-verification: ON
430 * eval: (c-set-style "mozilla")