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/dhcp_client_cmds.hpp"
18 DEFINE_VAPI_MSG_IDS_DHCP_API_JSON;
21 namespace dhcp_client_cmds {
23 bind_cmd::bind_cmd(HW::item<bool>& item,
25 const std::string& hostname,
26 const l2_address_t& client_id,
27 bool set_broadcast_flag)
30 , m_hostname(hostname)
31 , m_client_id(client_id)
32 , m_set_broadcast_flag(set_broadcast_flag)
37 bind_cmd::operator==(const bind_cmd& other) const
39 return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname));
43 bind_cmd::issue(connection& con)
45 msg_t req(con.ctx(), std::ref(*this));
47 auto& payload = req.get_request().get_payload();
49 payload.client.sw_if_index = m_itf.value();
50 payload.client.pid = getpid();
51 payload.client.want_dhcp_event = 1;
52 payload.client.set_broadcast_flag = m_set_broadcast_flag;
54 memset(payload.client.hostname, 0, sizeof(payload.client.hostname));
55 memcpy(payload.client.hostname, m_hostname.c_str(),
56 std::min(sizeof(payload.client.hostname), m_hostname.length()));
58 memset(payload.client.id, 0, sizeof(payload.client.id));
59 payload.client.id[0] = 1;
60 std::copy_n(begin(m_client_id.bytes),
61 std::min(sizeof(payload.client.id), m_client_id.bytes.size()),
62 payload.client.id + 1);
64 VAPI_CALL(req.execute());
70 bind_cmd::to_string() const
73 s << "Dhcp-client-bind: " << m_hw_item.to_string()
74 << " itf:" << m_itf.to_string() << " hostname:" << m_hostname;
79 unbind_cmd::unbind_cmd(HW::item<bool>& item,
81 const std::string& hostname)
84 , m_hostname(hostname)
89 unbind_cmd::operator==(const unbind_cmd& other) const
91 return ((m_itf == other.m_itf) && (m_hostname == other.m_hostname));
95 unbind_cmd::issue(connection& con)
97 msg_t req(con.ctx(), std::ref(*this));
99 auto& payload = req.get_request().get_payload();
101 payload.client.sw_if_index = m_itf.value();
102 payload.client.pid = getpid();
103 payload.client.want_dhcp_event = 0;
105 memcpy(payload.client.hostname, m_hostname.c_str(),
106 std::min(sizeof(payload.client.hostname), m_hostname.length()));
108 VAPI_CALL(req.execute());
111 m_hw_item.set(rc_t::NOOP);
117 unbind_cmd::to_string() const
119 std::ostringstream s;
120 s << "Dhcp-client-unbind: " << m_hw_item.to_string()
121 << " itf:" << m_itf.to_string() << " hostname:" << m_hostname;
126 events_cmd::events_cmd(dhcp_client::event_listener& el)
127 : event_cmd(el.status())
132 events_cmd::~events_cmd()
134 VOM_LOG(log_level_t::INFO) << "DHCP events destroyed";
138 events_cmd::operator==(const events_cmd& other) const
144 events_cmd::issue(connection& con)
147 * Set the call back to handle DHCP complete envets.
149 m_reg.reset(new reg_t(con.ctx(), std::ref(*this)));
152 * return in-progress so the command stays in the pending list.
158 events_cmd::retire(connection& con)
165 for (auto& msg : *this) {
166 auto& payload = msg.get_payload();
168 const dhcp_client::state_t& s =
169 dhcp_client::state_t::from_vpp(payload.lease.state);
170 route::prefix_t pfx(payload.lease.is_ipv6, payload.lease.host_address,
171 payload.lease.mask_width);
172 std::shared_ptr<interface> itf = interface::find(payload.lease.sw_if_index);
175 std::shared_ptr<dhcp_client::lease_t> ev =
176 std::make_shared<dhcp_client::lease_t>(
177 s, itf, from_bytes(0, payload.lease.router_address), pfx,
178 reinterpret_cast<const char*>(payload.lease.hostname),
179 mac_address_t(payload.lease.host_mac));
180 m_listener.handle_dhcp_event(ev);
182 VOM_LOG(log_level_t::INFO) << "DHCP: " << ev->to_string();
184 VOM_LOG(log_level_t::ERROR) << "DHCP: no interface: "
185 << payload.lease.sw_if_index;
193 events_cmd::to_string() const
195 return ("dhcp-events");
203 dump_cmd::operator==(const dump_cmd& other) const
209 dump_cmd::issue(connection& con)
211 m_dump.reset(new msg_t(con.ctx(), std::ref(*this)));
213 VAPI_CALL(m_dump->execute());
221 dump_cmd::to_string() const
223 return ("dhcp-client-dump");
226 }; // namespace dhcp_client_cmds
230 * fd.io coding-style-patch-verification: ON
233 * eval: (c-set-style "mozilla")