diff options
Diffstat (limited to 'extras/vom/vom/dhcp_client_cmds.cpp')
-rw-r--r-- | extras/vom/vom/dhcp_client_cmds.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/extras/vom/vom/dhcp_client_cmds.cpp b/extras/vom/vom/dhcp_client_cmds.cpp new file mode 100644 index 00000000000..181a15f8f96 --- /dev/null +++ b/extras/vom/vom/dhcp_client_cmds.cpp @@ -0,0 +1,237 @@ +/* + * 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/dhcp_client_cmds.hpp" + +DEFINE_VAPI_MSG_IDS_DHCP_API_JSON; + +namespace VOM { +namespace dhcp_client_cmds { + +bind_cmd::bind_cmd(HW::item<bool>& item, + const handle_t& itf, + const std::string& hostname, + const l2_address_t& client_id, + bool set_broadcast_flag) + : rpc_cmd(item) + , m_itf(itf) + , m_hostname(hostname) + , m_client_id(client_id) + , m_set_broadcast_flag(set_broadcast_flag) +{ +} + +bool +bind_cmd::operator==(const bind_cmd& other) const +{ + return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname)); +} + +rc_t +bind_cmd::issue(connection& con) +{ + msg_t req(con.ctx(), std::ref(*this)); + + auto& payload = req.get_request().get_payload(); + payload.is_add = 1; + payload.client.sw_if_index = m_itf.value(); + payload.client.pid = getpid(); + payload.client.want_dhcp_event = 1; + payload.client.set_broadcast_flag = m_set_broadcast_flag; + + memset(payload.client.hostname, 0, sizeof(payload.client.hostname)); + memcpy(payload.client.hostname, m_hostname.c_str(), + std::min(sizeof(payload.client.hostname), m_hostname.length())); + + memset(payload.client.id, 0, sizeof(payload.client.id)); + payload.client.id[0] = 1; + std::copy_n(begin(m_client_id.bytes), + std::min(sizeof(payload.client.id), m_client_id.bytes.size()), + payload.client.id + 1); + + VAPI_CALL(req.execute()); + + m_hw_item.set(wait()); + + return rc_t::OK; +} + +std::string +bind_cmd::to_string() const +{ + std::ostringstream s; + s << "Dhcp-client-bind: " << m_hw_item.to_string() + << " itf:" << m_itf.to_string() << " hostname:" << m_hostname; + + return (s.str()); +} + +unbind_cmd::unbind_cmd(HW::item<bool>& item, + const handle_t& itf, + const std::string& hostname) + : rpc_cmd(item) + , m_itf(itf) + , m_hostname(hostname) +{ +} + +bool +unbind_cmd::operator==(const unbind_cmd& other) const +{ + return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname)); +} + +rc_t +unbind_cmd::issue(connection& con) +{ + msg_t req(con.ctx(), std::ref(*this)); + + auto& payload = req.get_request().get_payload(); + payload.is_add = 0; + payload.client.sw_if_index = m_itf.value(); + payload.client.pid = getpid(); + payload.client.want_dhcp_event = 0; + + memcpy(payload.client.hostname, m_hostname.c_str(), + std::min(sizeof(payload.client.hostname), m_hostname.length())); + + VAPI_CALL(req.execute()); + + wait(); + m_hw_item.set(rc_t::NOOP); + + return rc_t::OK; +} + +std::string +unbind_cmd::to_string() const +{ + std::ostringstream s; + s << "Dhcp-client-unbind: " << m_hw_item.to_string() + << " itf:" << m_itf.to_string() << " hostname:" << m_hostname; + + return (s.str()); +} + +events_cmd::events_cmd(dhcp_client::event_listener& el) + : event_cmd(el.status()) + , m_listener(el) +{ +} + +events_cmd::~events_cmd() +{ + VOM_LOG(log_level_t::INFO) << "DHCP events destroyed"; +} + +bool +events_cmd::operator==(const events_cmd& other) const +{ + return (true); +} + +rc_t +events_cmd::issue(connection& con) +{ + /* + * Set the call back to handle DHCP complete envets. + */ + m_reg.reset(new reg_t(con.ctx(), std::ref(*this))); + + /* + * return in-progress so the command stays in the pending list. + */ + return (rc_t::OK); +} + +void +events_cmd::retire(connection& con) +{ +} + +void +events_cmd::notify() +{ + for (auto& msg : *this) { + auto& payload = msg.get_payload(); + + const dhcp_client::state_t& s = + dhcp_client::state_t::from_vpp(payload.lease.state); + route::prefix_t pfx(payload.lease.is_ipv6, payload.lease.host_address, + payload.lease.mask_width); + std::shared_ptr<interface> itf = interface::find(payload.lease.sw_if_index); + + if (itf) { + std::shared_ptr<dhcp_client::lease_t> ev = + std::make_shared<dhcp_client::lease_t>( + s, itf, from_bytes(0, payload.lease.router_address), pfx, + reinterpret_cast<const char*>(payload.lease.hostname), + mac_address_t(payload.lease.host_mac)); + m_listener.handle_dhcp_event(ev); + + VOM_LOG(log_level_t::INFO) << "DHCP: " << ev->to_string(); + } else { + VOM_LOG(log_level_t::ERROR) << "DHCP: no interface: " + << payload.lease.sw_if_index; + } + } + + flush(); +} + +std::string +events_cmd::to_string() const +{ + return ("dhcp-events"); +} + +dump_cmd::dump_cmd() +{ +} + +bool +dump_cmd::operator==(const dump_cmd& other) const +{ + return (true); +} + +rc_t +dump_cmd::issue(connection& con) +{ + m_dump.reset(new msg_t(con.ctx(), std::ref(*this))); + + VAPI_CALL(m_dump->execute()); + + wait(); + + return rc_t::OK; +} + +std::string +dump_cmd::to_string() const +{ + return ("dhcp-client-dump"); +} + +}; // namespace dhcp_client_cmds +}; // namespace VOM + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |