--- /dev/null
+/*
+ * 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/route.hpp"
+#include "vom/route_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
+
+namespace VOM {
+namespace route {
+ip_route::event_handler ip_route::m_evh;
+singular_db<ip_route::key_t, ip_route> ip_route::m_db;
+
+const path::special_t path::special_t::STANDARD(0, "standard");
+const path::special_t path::special_t::LOCAL(0, "local");
+const path::special_t path::special_t::DROP(0, "standard");
+const path::special_t path::special_t::UNREACH(0, "unreachable");
+const path::special_t path::special_t::PROHIBIT(0, "prohibit");
+
+path::special_t::special_t(int v, const std::string& s)
+ : enum_base<path::special_t>(v, s)
+{
+}
+
+const path::flags_t path::flags_t::NONE(0, "none");
+const path::flags_t path::flags_t::DVR((1 << 0), "dvr");
+
+path::flags_t::flags_t(int v, const std::string& s)
+ : enum_base<path::flags_t>(v, s)
+{
+}
+
+path::path(special_t special)
+ : m_type(special)
+ , m_nh_proto(nh_proto_t::IPV4)
+ , m_flags(flags_t::NONE)
+ , m_nh()
+ , m_rd(nullptr)
+ , m_interface(nullptr)
+ , m_weight(1)
+ , m_preference(0)
+{
+}
+
+path::path(const boost::asio::ip::address& nh,
+ const interface& interface,
+ uint8_t weight,
+ uint8_t preference)
+ : m_type(special_t::STANDARD)
+ , m_nh_proto(nh_proto_t::from_address(nh))
+ , m_flags(flags_t::NONE)
+ , m_nh(nh)
+ , m_rd(nullptr)
+ , m_interface(interface.singular())
+ , m_weight(weight)
+ , m_preference(preference)
+{
+}
+
+path::path(const route_domain& rd,
+ const boost::asio::ip::address& nh,
+ uint8_t weight,
+ uint8_t preference)
+ : m_type(special_t::STANDARD)
+ , m_nh_proto(nh_proto_t::from_address(nh))
+ , m_flags(flags_t::NONE)
+ , m_nh(nh)
+ , m_rd(rd.singular())
+ , m_interface(nullptr)
+ , m_weight(weight)
+ , m_preference(preference)
+{
+}
+
+path::path(const interface& interface,
+ const nh_proto_t& proto,
+ const flags_t& flags,
+ uint8_t weight,
+ uint8_t preference)
+ : m_type(special_t::STANDARD)
+ , m_nh_proto(proto)
+ , m_flags(flags)
+ , m_nh()
+ , m_rd(nullptr)
+ , m_interface(interface.singular())
+ , m_weight(weight)
+ , m_preference(preference)
+{
+}
+
+path::path(const path& p)
+ : m_type(p.m_type)
+ , m_nh_proto(p.m_nh_proto)
+ , m_flags(p.m_flags)
+ , m_nh(p.m_nh)
+ , m_rd(p.m_rd)
+ , m_interface(p.m_interface)
+ , m_weight(p.m_weight)
+ , m_preference(p.m_preference)
+{
+}
+
+bool
+path::operator<(const path& p) const
+{
+ if (m_nh_proto < p.m_nh_proto)
+ return true;
+ if (m_flags < p.m_flags)
+ return true;
+ if (m_type < p.m_type)
+ return true;
+ if (m_rd && !p.m_rd)
+ return false;
+ if (!m_rd && p.m_rd)
+ return true;
+ if (m_rd->table_id() < p.m_rd->table_id())
+ return true;
+ if (m_nh < p.m_nh)
+ return true;
+ if (m_interface && !p.m_interface)
+ return false;
+ if (!m_interface && p.m_interface)
+ return true;
+ if (m_interface->handle() < p.m_interface->handle())
+ return true;
+
+ return (false);
+}
+
+path::~path()
+{
+}
+
+bool
+path::operator==(const path& p) const
+{
+ bool result = true;
+ if (m_rd && !p.m_rd)
+ return false;
+ if (!m_rd && p.m_rd)
+ return false;
+ if (m_rd && p.m_rd)
+ result &= (*m_rd == *p.m_rd);
+ if (m_interface && !p.m_interface)
+ return false;
+ if (!m_interface && p.m_interface)
+ return false;
+ if (m_interface && p.m_interface)
+ result &= (*m_interface == *p.m_interface);
+ return (result && (m_type == p.m_type) && (m_nh == p.m_nh) &&
+ (m_nh_proto == p.m_nh_proto) && (m_flags == p.m_flags));
+}
+
+std::string
+path::to_string() const
+{
+ std::ostringstream s;
+
+ s << "path:["
+ << "type:" << m_type.to_string() << " proto:" << m_nh_proto.to_string()
+ << " flags:" << m_flags.to_string() << " neighbour:" << m_nh.to_string();
+ if (m_rd) {
+ s << " " << m_rd->to_string();
+ }
+ if (m_interface) {
+ s << " " << m_interface->to_string();
+ }
+ s << " weight:" << static_cast<int>(m_weight)
+ << " preference:" << static_cast<int>(m_preference) << "]";
+
+ return (s.str());
+}
+
+path::special_t
+path::type() const
+{
+ return m_type;
+}
+
+nh_proto_t
+path::nh_proto() const
+{
+ return m_nh_proto;
+}
+
+path::flags_t
+path::flags() const
+{
+ return m_flags;
+}
+
+const boost::asio::ip::address&
+path::nh() const
+{
+ return m_nh;
+}
+
+std::shared_ptr<route_domain>
+path::rd() const
+{
+ return m_rd;
+}
+
+std::shared_ptr<interface>
+path::itf() const
+{
+ return m_interface;
+}
+
+uint8_t
+path::weight() const
+{
+ return m_weight;
+}
+
+uint8_t
+path::preference() const
+{
+ return m_preference;
+}
+
+ip_route::ip_route(const prefix_t& prefix, const path& p)
+ : m_hw(false)
+ , m_rd(route_domain::get_default())
+ , m_prefix(prefix)
+ , m_paths({ p })
+{
+}
+
+ip_route::ip_route(const prefix_t& prefix)
+ : m_hw(false)
+ , m_rd(route_domain::get_default())
+ , m_prefix(prefix)
+ , m_paths()
+{
+}
+
+ip_route::ip_route(const ip_route& r)
+ : m_hw(r.m_hw)
+ , m_rd(r.m_rd)
+ , m_prefix(r.m_prefix)
+ , m_paths(r.m_paths)
+{
+}
+
+ip_route::ip_route(const route_domain& rd, const prefix_t& prefix)
+ : m_hw(false)
+ , m_rd(rd.singular())
+ , m_prefix(prefix)
+ , m_paths()
+{
+}
+
+ip_route::ip_route(const route_domain& rd,
+ const prefix_t& prefix,
+ const path& p)
+ : m_hw(false)
+ , m_rd(rd.singular())
+ , m_prefix(prefix)
+ , m_paths({ p })
+{
+}
+
+ip_route::~ip_route()
+{
+ sweep();
+
+ // not in the DB anymore.
+ m_db.release(key(), this);
+ m_paths.clear();
+}
+
+const ip_route::key_t
+ip_route::key() const
+{
+ return (std::make_pair(m_rd->table_id(), m_prefix));
+}
+
+bool
+ip_route::operator==(const ip_route& i) const
+{
+ return ((key() == i.key()) && (m_paths == i.m_paths));
+}
+
+void
+ip_route::add(const path& path)
+{
+ m_paths.insert(path);
+}
+
+void
+ip_route::remove(const path& path)
+{
+ m_paths.erase(path);
+}
+
+void
+ip_route::sweep()
+{
+ if (m_hw) {
+ HW::enqueue(
+ new ip_route_cmds::delete_cmd(m_hw, m_rd->table_id(), m_prefix));
+ }
+ HW::write();
+}
+
+void
+ip_route::replay()
+{
+ if (m_hw) {
+ HW::enqueue(
+ new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
+ }
+}
+std::string
+ip_route::to_string() const
+{
+ std::ostringstream s;
+ s << "route:[" << m_rd->to_string() << ", " << m_prefix.to_string() << " ["
+ << m_paths << "]"
+ << "]";
+
+ return (s.str());
+}
+
+void
+ip_route::update(const ip_route& r)
+{
+ /*
+* create the table if it is not yet created
+*/
+ if (rc_t::OK != m_hw.rc()) {
+ HW::enqueue(
+ new ip_route_cmds::update_cmd(m_hw, m_rd->table_id(), m_prefix, m_paths));
+ }
+}
+
+std::shared_ptr<ip_route>
+ip_route::find_or_add(const ip_route& temp)
+{
+ return (m_db.find_or_add(temp.key(), temp));
+}
+
+std::shared_ptr<ip_route>
+ip_route::find(const key_t& k)
+{
+ return (m_db.find(k));
+}
+
+std::shared_ptr<ip_route>
+ip_route::singular() const
+{
+ return find_or_add(*this);
+}
+
+void
+ip_route::dump(std::ostream& os)
+{
+ db_dump(m_db, os);
+}
+
+ip_route::event_handler::event_handler()
+{
+ OM::register_listener(this);
+ inspect::register_handler({ "ip-route" }, "ip route configurations", this);
+}
+
+void
+ip_route::event_handler::handle_replay()
+{
+ m_db.replay();
+}
+
+void
+ip_route::event_handler::handle_populate(const client_db::key_t& key)
+{
+ std::shared_ptr<ip_route_cmds::dump_v4_cmd> cmd_v4 =
+ std::make_shared<ip_route_cmds::dump_v4_cmd>();
+ std::shared_ptr<ip_route_cmds::dump_v6_cmd> cmd_v6 =
+ std::make_shared<ip_route_cmds::dump_v6_cmd>();
+
+ HW::enqueue(cmd_v4);
+ HW::enqueue(cmd_v6);
+ HW::write();
+
+ for (auto& record : *cmd_v4) {
+ auto& payload = record.get_payload();
+
+ prefix_t pfx(0, payload.address, payload.address_length);
+
+ /**
+ * populating the route domain here
+ */
+ route_domain rd_temp(payload.table_id);
+ std::shared_ptr<route_domain> rd = route_domain::find(payload.table_id);
+ if (!rd) {
+ OM::commit(key, rd_temp);
+ }
+ ip_route ip_r(rd_temp, pfx);
+
+ for (unsigned int i = 0; i < payload.count; i++) {
+ vapi_type_fib_path p = payload.path[i];
+ if (p.is_local) {
+ path path_v4(path::special_t::LOCAL);
+ ip_r.add(path_v4);
+ } else if (p.is_drop) {
+ path path_v4(path::special_t::DROP);
+ ip_r.add(path_v4);
+ } else if (p.is_unreach) {
+ path path_v4(path::special_t::UNREACH);
+ ip_r.add(path_v4);
+ } else if (p.is_prohibit) {
+ path path_v4(path::special_t::PROHIBIT);
+ ip_r.add(path_v4);
+ } else {
+ boost::asio::ip::address address = from_bytes(0, p.next_hop);
+ std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
+ if (itf) {
+ if (p.is_dvr) {
+ path path_v4(*itf, nh_proto_t::IPV4, route::path::flags_t::DVR,
+ p.weight, p.preference);
+ ip_r.add(path_v4);
+ } else {
+ path path_v4(address, *itf, p.weight, p.preference);
+ ip_r.add(path_v4);
+ }
+ } else {
+ path path_v4(rd_temp, address, p.weight, p.preference);
+ ip_r.add(path_v4);
+ }
+ }
+ }
+ VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.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, ip_r);
+ }
+
+ for (auto& record : *cmd_v6) {
+ auto& payload = record.get_payload();
+
+ prefix_t pfx(1, payload.address, payload.address_length);
+ route_domain rd_temp(payload.table_id);
+ std::shared_ptr<route_domain> rd = route_domain::find(payload.table_id);
+ if (!rd) {
+ OM::commit(key, rd_temp);
+ }
+ ip_route ip_r(rd_temp, pfx);
+
+ for (unsigned int i = 0; i < payload.count; i++) {
+ vapi_type_fib_path p = payload.path[i];
+ if (p.is_local) {
+ path path_v6(path::special_t::LOCAL);
+ ip_r.add(path_v6);
+ } else if (p.is_drop) {
+ path path_v6(path::special_t::DROP);
+ ip_r.add(path_v6);
+ } else if (p.is_unreach) {
+ path path_v6(path::special_t::UNREACH);
+ ip_r.add(path_v6);
+ } else if (p.is_prohibit) {
+ path path_v6(path::special_t::PROHIBIT);
+ ip_r.add(path_v6);
+ } else {
+ std::shared_ptr<interface> itf = interface::find(p.sw_if_index);
+ boost::asio::ip::address address = from_bytes(1, p.next_hop);
+ if (itf) {
+ if (p.is_dvr) {
+ path path_v6(*itf, nh_proto_t::IPV6, route::path::flags_t::DVR,
+ p.weight, p.preference);
+ ip_r.add(path_v6);
+ } else {
+ path path_v6(address, *itf, p.weight, p.preference);
+ ip_r.add(path_v6);
+ }
+ } else {
+ path path_v6(rd_temp, address, p.weight, p.preference);
+ ip_r.add(path_v6);
+ }
+ }
+ }
+ VOM_LOG(log_level_t::DEBUG) << "ip-route-dump: " << ip_r.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, ip_r);
+ }
+}
+
+dependency_t
+ip_route::event_handler::order() const
+{
+ return (dependency_t::TABLE);
+}
+
+void
+ip_route::event_handler::show(std::ostream& os)
+{
+ db_dump(m_db, os);
+}
+
+std::ostream&
+operator<<(std::ostream& os, const ip_route::key_t& key)
+{
+ os << "[" << key.first << ", " << key.second.to_string() << "]";
+
+ return (os);
+}
+
+std::ostream&
+operator<<(std::ostream& os, const path_list_t& key)
+{
+ os << "[";
+ for (auto k : key) {
+ os << k.to_string() << " ";
+ }
+ os << "]";
+
+ return (os);
+}
+}
+}
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
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