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 ip_route::event_handler ip_route::m_evh;
23 singular_db<ip_route::key_t, ip_route> ip_route::m_db;
25 const path::special_t path::special_t::STANDARD(0, "standard");
26 const path::special_t path::special_t::LOCAL(0, "local");
27 const path::special_t path::special_t::DROP(0, "standard");
28 const path::special_t path::special_t::UNREACH(0, "unreachable");
29 const path::special_t path::special_t::PROHIBIT(0, "prohibit");
31 path::special_t::special_t(int v, const std::string& s)
32 : enum_base<path::special_t>(v, s)
36 path::path(special_t special)
38 , m_nh_proto(nh_proto_t::IPV4)
41 , m_interface(nullptr)
47 path::path(const boost::asio::ip::address& nh,
48 const interface& interface,
51 : m_type(special_t::STANDARD)
52 , m_nh_proto(nh_proto_t::from_address(nh))
55 , m_interface(interface.singular())
57 , m_preference(preference)
61 path::path(const route_domain& rd,
62 const boost::asio::ip::address& nh,
65 : m_type(special_t::STANDARD)
66 , m_nh_proto(nh_proto_t::from_address(nh))
69 , m_interface(nullptr)
71 , m_preference(preference)
75 path::path(const interface& interface,
76 const nh_proto_t& proto,
79 : m_type(special_t::STANDARD)
83 , m_interface(interface.singular())
85 , m_preference(preference)
89 path::path(const path& p)
91 , m_nh_proto(p.m_nh_proto)
94 , m_interface(p.m_interface)
95 , m_weight(p.m_weight)
96 , m_preference(p.m_preference)
101 path::operator<(const path& p) const
103 if (m_type < p.m_type)
105 if (m_rd->table_id() < p.m_rd->table_id())
109 if (m_interface->handle() < p.m_interface->handle())
116 path::to_string() const
118 std::ostringstream s;
121 << "type:" << m_type.to_string() << " proto:" << m_nh_proto.to_string()
122 << " neighbour:" << m_nh.to_string();
124 s << " " << m_rd->to_string();
127 s << " " << m_interface->to_string();
129 s << " weight:" << static_cast<int>(m_weight)
130 << " preference:" << static_cast<int>(m_preference) << "]";
142 path::nh_proto() const
147 const boost::asio::ip::address&
153 std::shared_ptr<route_domain>
159 std::shared_ptr<interface>
172 path::preference() const
177 ip_route::ip_route(const prefix_t& prefix)
179 , m_rd(route_domain::get_default())
185 ip_route::ip_route(const ip_route& r)
188 , m_prefix(r.m_prefix)
193 ip_route::ip_route(const route_domain& rd, const prefix_t& prefix)
195 , m_rd(rd.singular())
201 ip_route::~ip_route()
205 // not in the DB anymore.
206 m_db.release(std::make_pair(m_rd->table_id(), m_prefix), this);
210 ip_route::add(const path& path)
212 m_paths.insert(path);
216 ip_route::remove(const path& path)
226 new ip_route_cmds::delete_cmd(m_hw, m_rd->table_id(), m_prefix));
236 new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
240 ip_route::to_string() const
242 std::ostringstream s;
243 s << "route:[" << m_rd->to_string() << ", " << m_prefix.to_string() << " ["
251 ip_route::update(const ip_route& r)
254 * create the table if it is not yet created
256 if (rc_t::OK != m_hw.rc()) {
258 new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
262 std::shared_ptr<ip_route>
263 ip_route::find_or_add(const ip_route& temp)
265 return (m_db.find_or_add(std::make_pair(temp.m_rd->table_id(), temp.m_prefix),
269 std::shared_ptr<ip_route>
270 ip_route::singular() const
272 return find_or_add(*this);
276 ip_route::dump(std::ostream& os)
281 ip_route::event_handler::event_handler()
283 OM::register_listener(this);
284 inspect::register_handler({ "ip-route" }, "ip route configurations", this);
288 ip_route::event_handler::handle_replay()
294 ip_route::event_handler::handle_populate(const client_db::key_t& key)
296 std::shared_ptr<ip_route_cmds::dump_v4_cmd> cmd_v4(
297 new ip_route_cmds::dump_v4_cmd());
298 std::shared_ptr<ip_route_cmds::dump_v6_cmd> cmd_v6(
299 new ip_route_cmds::dump_v6_cmd());
305 for (auto& record : *cmd_v4) {
306 auto& payload = record.get_payload();
308 prefix_t pfx(0, payload.address, payload.address_length);
311 * populating the route domain here
313 route_domain rd_temp(payload.table_id);
314 std::shared_ptr<route_domain> rd = route_domain::find(rd_temp);
316 OM::commit(key, rd_temp);
318 ip_route ip_r(rd_temp, pfx);
320 for (unsigned int i = 0; i < payload.count; i++) {
321 vapi_type_fib_path p = payload.path[i];
323 path path_v4(path::special_t::LOCAL);
325 } else if (p.is_drop) {
326 path path_v4(path::special_t::DROP);
328 } else if (p.is_unreach) {
329 path path_v4(path::special_t::UNREACH);
331 } else if (p.is_prohibit) {
332 path path_v4(path::special_t::PROHIBIT);
335 std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
336 boost::asio::ip::address address = from_bytes(0, p.next_hop);
337 path path_v4(address, *itf, p.weight, p.preference);
341 VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.to_string();
344 * Write each of the discovered interfaces into the OM,
345 * but disable the HW Command q whilst we do, so that no
346 * commands are sent to VPP
348 OM::commit(key, ip_r);
351 for (auto& record : *cmd_v6) {
352 auto& payload = record.get_payload();
354 prefix_t pfx(1, payload.address, payload.address_length);
355 route_domain rd_temp(payload.table_id);
356 std::shared_ptr<route_domain> rd = route_domain::find(rd_temp);
358 OM::commit(key, rd_temp);
360 ip_route ip_r(rd_temp, pfx);
362 for (unsigned int i = 0; i < payload.count; i++) {
363 vapi_type_fib_path p = payload.path[i];
365 path path_v6(path::special_t::LOCAL);
367 } else if (p.is_drop) {
368 path path_v6(path::special_t::DROP);
370 } else if (p.is_unreach) {
371 path path_v6(path::special_t::UNREACH);
373 } else if (p.is_prohibit) {
374 path path_v6(path::special_t::PROHIBIT);
377 std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
378 boost::asio::ip::address address = from_bytes(1, p.next_hop);
379 path path_v6(address, *itf, p.weight, p.preference);
383 VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.to_string();
386 * Write each of the discovered interfaces into the OM,
387 * but disable the HW Command q whilst we do, so that no
388 * commands are sent to VPP
390 OM::commit(key, ip_r);
395 ip_route::event_handler::order() const
397 return (dependency_t::BINDING);
401 ip_route::event_handler::show(std::ostream& os)
407 operator<<(std::ostream& os, const ip_route::key_t& key)
409 os << "[" << key.first << ", " << key.second.to_string() << "]";
415 operator<<(std::ostream& os, const path_list_t& key)
419 os << k.to_string() << " ";
428 * fd.io coding-style-patch-verification: ON
431 * eval: (c-set-style "mozilla")