diff options
Diffstat (limited to 'extras/deprecated/vom/vom/gbp_contract.cpp')
| -rw-r--r-- | extras/deprecated/vom/vom/gbp_contract.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/extras/deprecated/vom/vom/gbp_contract.cpp b/extras/deprecated/vom/vom/gbp_contract.cpp new file mode 100644 index 00000000000..f1b35ddf8c4 --- /dev/null +++ b/extras/deprecated/vom/vom/gbp_contract.cpp @@ -0,0 +1,254 @@ +/* + * 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_contract.hpp" +#include "vom/api_types.hpp" +#include "vom/gbp_contract_cmds.hpp" +#include "vom/singular_db_funcs.hpp" + +namespace VOM { + +singular_db<gbp_contract::key_t, gbp_contract> gbp_contract::m_db; + +gbp_contract::event_handler gbp_contract::m_evh; + +gbp_contract::gbp_contract(scope_t scope, + sclass_t sclass, + sclass_t dclass, + const ACL::l3_list& acl, + const gbp_rules_t& rules, + const ethertype_set_t& allowed_ethertypes) + : m_hw(false) + , m_scope(scope) + , m_sclass(sclass) + , m_dclass(dclass) + , m_acl(acl.singular()) + , m_gbp_rules(rules) + , m_allowed_ethertypes(allowed_ethertypes) +{ +} + +gbp_contract::gbp_contract(const gbp_contract& gbpc) + : m_hw(gbpc.m_hw) + , m_scope(gbpc.m_scope) + , m_sclass(gbpc.m_sclass) + , m_dclass(gbpc.m_dclass) + , m_acl(gbpc.m_acl) + , m_gbp_rules(gbpc.m_gbp_rules) + , m_allowed_ethertypes(gbpc.m_allowed_ethertypes) +{ +} + +gbp_contract::~gbp_contract() +{ + sweep(); + + // not in the DB anymore. + m_db.release(key(), this); +} + +const gbp_contract::key_t +gbp_contract::key() const +{ + return (std::make_tuple(m_scope, m_sclass, m_dclass)); +} + +bool +gbp_contract::operator==(const gbp_contract& gbpc) const +{ + return ((key() == gbpc.key()) && (m_acl->handle() == gbpc.m_acl->handle())); +} + +void +gbp_contract::sweep() +{ + if (m_hw) { + HW::enqueue( + new gbp_contract_cmds::delete_cmd(m_hw, m_scope, m_sclass, m_dclass)); + } + HW::write(); +} + +void +gbp_contract::replay() +{ + if (m_hw) { + HW::enqueue(new gbp_contract_cmds::create_cmd( + m_hw, m_scope, m_sclass, m_dclass, m_acl->handle(), m_gbp_rules, + m_allowed_ethertypes)); + } +} + +std::string +gbp_contract::to_string() const +{ + std::ostringstream s; + s << "gbp-contract:[{" << m_scope << ", " << m_sclass << ", " << m_dclass + << "}, " << m_acl->to_string(); + if (m_gbp_rules.size()) { + auto it = m_gbp_rules.cbegin(); + while (it != m_gbp_rules.cend()) { + s << it->to_string(); + ++it; + } + } + s << "[ethertype:"; + for (auto e : m_allowed_ethertypes) + s << " " << e; + s << "]]"; + + return (s.str()); +} + +void +gbp_contract::update(const gbp_contract& r) +{ + /* + * create the table if it is not yet created + */ + if (rc_t::OK != m_hw.rc()) { + HW::enqueue(new gbp_contract_cmds::create_cmd( + m_hw, m_scope, m_sclass, m_dclass, m_acl->handle(), m_gbp_rules, + m_allowed_ethertypes)); + } +} + +std::shared_ptr<gbp_contract> +gbp_contract::find_or_add(const gbp_contract& temp) +{ + return (m_db.find_or_add(temp.key(), temp)); +} + +std::shared_ptr<gbp_contract> +gbp_contract::find(const key_t& k) +{ + return (m_db.find(k)); +} + +std::shared_ptr<gbp_contract> +gbp_contract::singular() const +{ + return find_or_add(*this); +} + +void +gbp_contract::dump(std::ostream& os) +{ + db_dump(m_db, os); +} + +gbp_contract::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "gbp-contract" }, "GBP Contract", this); +} + +void +gbp_contract::event_handler::handle_replay() +{ + m_db.replay(); +} + +void +gbp_contract::event_handler::handle_populate(const client_db::key_t& key) +{ + std::shared_ptr<gbp_contract_cmds::dump_cmd> cmd = + std::make_shared<gbp_contract_cmds::dump_cmd>(); + + HW::enqueue(cmd); + HW::write(); + + for (auto& record : *cmd) { + auto& payload = record.get_payload(); + + std::shared_ptr<ACL::l3_list> acl = + ACL::l3_list::find(payload.contract.acl_index); + + if (acl) { + gbp_contract::gbp_rules_t rules; + + for (uint8_t i = 0; i < payload.contract.n_rules; i++) { + const gbp_rule::action_t action = + gbp_rule::action_t::from_int(payload.contract.rules[i].action); + const gbp_rule::hash_mode_t hm = gbp_rule::hash_mode_t::from_int( + payload.contract.rules[i].nh_set.hash_mode); + gbp_rule::next_hops_t nhs; + for (u8 j = 0; j < payload.contract.rules[i].nh_set.n_nhs; j++) { + gbp_rule::next_hop_t nh( + from_api(payload.contract.rules[i].nh_set.nhs[j].ip), + from_api(payload.contract.rules[i].nh_set.nhs[j].mac), + payload.contract.rules[i].nh_set.nhs[j].bd_id, + payload.contract.rules[i].nh_set.nhs[j].rd_id); + nhs.insert(nh); + } + gbp_rule::next_hop_set_t next_hop_set(hm, nhs); + gbp_rule gr(i, next_hop_set, action); + rules.insert(gr); + } + + ethertype_set_t allowed_ethertypes; + u8 *data, n_et; + u16* et; + + data = (((u8*)&payload.contract.n_ether_types) + + (sizeof(payload.contract.rules[0]) * payload.contract.n_rules)); + n_et = *data; + et = (u16*)(++data); + + for (uint8_t i = 0; i < n_et; i++) { + allowed_ethertypes.insert(ethertype_t::from_numeric_val(et[i])); + } + + gbp_contract gbpc(payload.contract.scope, payload.contract.sclass, + payload.contract.dclass, *acl, rules, + allowed_ethertypes); + OM::commit(key, gbpc); + VOM_LOG(log_level_t::DEBUG) << "read: " << gbpc.to_string(); + } else { + VOM_LOG(log_level_t::ERROR) << " no ACL:" << payload.contract.acl_index; + } + } +} + +dependency_t +gbp_contract::event_handler::order() const +{ + return (dependency_t::ENTRY); +} + +void +gbp_contract::event_handler::show(std::ostream& os) +{ + db_dump(m_db, os); +} + +std::ostream& +operator<<(std::ostream& os, const gbp_contract::key_t& key) +{ + os << "{ " << std::get<0>(key) << "," << std::get<1>(key) << ", " + << std::get<2>(key) << "}"; + + return (os); +} + +} // namespace VOM + +/* + * fd.io coding-style-patch-verification: OFF + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |