1/*
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:
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
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.
14 */
15
16#include "vom/gbp_route_domain.hpp"
17#include "vom/gbp_route_domain_cmds.hpp"
18#include "vom/interface.hpp"
19#include "vom/l2_binding.hpp"
20#include "vom/singular_db_funcs.hpp"
21
22namespace VOM {
23
24/**
25 * A DB of al the interfaces, key on the name
26 */
27singular_db<uint32_t, gbp_route_domain> gbp_route_domain::m_db;
28
29gbp_route_domain::event_handler gbp_route_domain::m_evh;
30
31/**
32 * Construct a new object matching the desried state
33 */
34gbp_route_domain::gbp_route_domain(const gbp_route_domain& rd)
35  : m_id(rd.id())
36  , m_rd(rd.m_rd)
37  , m_scope(rd.m_scope)
38  , m_ip4_uu_fwd(rd.m_ip4_uu_fwd)
39  , m_ip6_uu_fwd(rd.m_ip6_uu_fwd)
40{
41}
42
43gbp_route_domain::gbp_route_domain(const route_domain& rd,
44                                   scope_t scope,
45                                   const interface& ip4_uu_fwd,
46                                   const interface& ip6_uu_fwd)
47  : m_id(rd.table_id())
48  , m_rd(rd.singular())
49  , m_scope(scope)
50  , m_ip4_uu_fwd(ip4_uu_fwd.singular())
51  , m_ip6_uu_fwd(ip6_uu_fwd.singular())
52{
53}
54
55gbp_route_domain::gbp_route_domain(const route_domain& rd,
56                                   scope_t scope,
57                                   const std::shared_ptr<interface> ip4_uu_fwd,
58                                   const std::shared_ptr<interface> ip6_uu_fwd)
59  : m_id(rd.table_id())
60  , m_rd(rd.singular())
61  , m_scope(scope)
62  , m_ip4_uu_fwd(ip4_uu_fwd)
63  , m_ip6_uu_fwd(ip6_uu_fwd)
64{
65  if (m_ip4_uu_fwd)
66    m_ip4_uu_fwd = m_ip4_uu_fwd->singular();
67  if (m_ip6_uu_fwd)
68    m_ip6_uu_fwd = m_ip6_uu_fwd->singular();
69}
70
71gbp_route_domain::gbp_route_domain(const route_domain& rd, scope_t scope)
72  : m_id(rd.table_id())
73  , m_rd(rd.singular())
74  , m_scope(scope)
75  , m_ip4_uu_fwd()
76  , m_ip6_uu_fwd()
77{
78}
79
80const gbp_route_domain::key_t
81gbp_route_domain::key() const
82{
83  return (m_rd->key());
84}
85
86route::table_id_t
87gbp_route_domain::id() const
88{
89  return (m_rd->table_id());
90}
91
92const std::shared_ptr<route_domain>
93gbp_route_domain::get_route_domain() const
94{
95  return m_rd;
96}
97
98const std::shared_ptr<interface>
99gbp_route_domain::get_ip4_uu_fwd() const
100{
101  return m_ip4_uu_fwd;
102}
103
104const std::shared_ptr<interface>
105gbp_route_domain::get_ip6_uu_fwd() const
106{
107  return m_ip6_uu_fwd;
108}
109
110bool
111gbp_route_domain::operator==(const gbp_route_domain& b) const
112{
113  bool equal = true;
114
115  if (m_ip4_uu_fwd && b.m_ip4_uu_fwd)
116    equal &= (m_ip4_uu_fwd->key() == b.m_ip4_uu_fwd->key());
117  else if (!m_ip4_uu_fwd && !b.m_ip4_uu_fwd)
118    ;
119  else
120    equal = false;
121
122  if (m_ip6_uu_fwd && b.m_ip6_uu_fwd)
123    equal &= (m_ip6_uu_fwd->key() == b.m_ip6_uu_fwd->key());
124  else if (!m_ip6_uu_fwd && !b.m_ip6_uu_fwd)
125    ;
126  else
127    equal = false;
128
129  return ((m_rd->key() == b.m_rd->key()) && m_scope == b.m_scope && equal);
130}
131
132void
133gbp_route_domain::sweep()
134{
135  if (rc_t::OK == m_id.rc()) {
136    HW::enqueue(new gbp_route_domain_cmds::delete_cmd(m_id));
137  }
138  HW::write();
139}
140
141void
142gbp_route_domain::replay()
143{
144  if (rc_t::OK == m_id.rc()) {
145    if (m_ip4_uu_fwd && m_ip6_uu_fwd)
146      HW::enqueue(new gbp_route_domain_cmds::create_cmd(
147        m_id, m_scope, m_ip4_uu_fwd->handle(), m_ip6_uu_fwd->handle()));
148    else
149      HW::enqueue(new gbp_route_domain_cmds::create_cmd(
150        m_id, m_scope, handle_t::INVALID, handle_t::INVALID));
151  }
152}
153
154gbp_route_domain::~gbp_route_domain()
155{
156  sweep();
157
158  // not in the DB anymore.
159  m_db.release(m_id.data(), this);
160}
161
162std::string
163gbp_route_domain::to_string() const
164{
165  std::ostringstream s;
166  s << "gbp-route-domain:[" << m_rd->to_string() << "scope:" << m_scope;
167
168  if (m_ip4_uu_fwd)
169    s << " v4-uu:[" << m_ip4_uu_fwd->to_string() << "]";
170  if (m_ip6_uu_fwd)
171    s << " v6-uu:[" << m_ip6_uu_fwd->to_string() << "]";
172
173  s << "]";
174
175  return (s.str());
176}
177
178std::shared_ptr<gbp_route_domain>
179gbp_route_domain::find(const key_t& key)
180{
181  return (m_db.find(key));
182}
183
184void
185gbp_route_domain::update(const gbp_route_domain& desired)
186{
187  if (rc_t::OK != m_id.rc()) {
188    if (m_ip4_uu_fwd && m_ip6_uu_fwd)
189      HW::enqueue(new gbp_route_domain_cmds::create_cmd(
190        m_id, m_scope, m_ip4_uu_fwd->handle(), m_ip6_uu_fwd->handle()));
191    else
192      HW::enqueue(new gbp_route_domain_cmds::create_cmd(
193        m_id, m_scope, handle_t::INVALID, handle_t::INVALID));
194  }
195}
196
197std::shared_ptr<gbp_route_domain>
198gbp_route_domain::find_or_add(const gbp_route_domain& temp)
199{
200  return (m_db.find_or_add(temp.key(), temp));
201}
202
203std::shared_ptr<gbp_route_domain>
204gbp_route_domain::singular() const
205{
206  return find_or_add(*this);
207}
208
209void
210gbp_route_domain::dump(std::ostream& os)
211{
212  db_dump(m_db, os);
213}
214
215void
216gbp_route_domain::event_handler::handle_populate(const client_db::key_t& key)
217{
218  /*
219   * dump VPP Route domains
220   */
221  std::shared_ptr<gbp_route_domain_cmds::dump_cmd> cmd =
222    std::make_shared<gbp_route_domain_cmds::dump_cmd>();
223
224  HW::enqueue(cmd);
225  HW::write();
226
227  for (auto& record : *cmd) {
228    auto& payload = record.get_payload();
229
230    std::shared_ptr<interface> ip6_uu_fwd =
231      interface::find(payload.rd.ip6_uu_sw_if_index);
232    std::shared_ptr<interface> ip4_uu_fwd =
233      interface::find(payload.rd.ip4_uu_sw_if_index);
234
235    if (ip6_uu_fwd && ip4_uu_fwd) {
236      gbp_route_domain rd(payload.rd.rd_id, payload.rd.scope, *ip4_uu_fwd,
237                          *ip6_uu_fwd);
238      OM::commit(key, rd);
239      VOM_LOG(log_level_t::DEBUG) << "dump: " << rd.to_string();
240    } else {
241      gbp_route_domain rd(payload.rd.rd_id, payload.rd.scope);
242      OM::commit(key, rd);
243      VOM_LOG(log_level_t::DEBUG) << "dump: " << rd.to_string();
244    }
245  }
246}
247
248gbp_route_domain::event_handler::event_handler()
249{
250  OM::register_listener(this);
251  inspect::register_handler({ "grd", "groute" }, "GBP Route Domains", this);
252}
253
254void
255gbp_route_domain::event_handler::handle_replay()
256{
257  m_db.replay();
258}
259
260dependency_t
261gbp_route_domain::event_handler::order() const
262{
263  return (dependency_t::VIRTUAL_TABLE);
264}
265
266void
267gbp_route_domain::event_handler::show(std::ostream& os)
268{
269  db_dump(m_db, os);
270}
271}
272
273/*
274 * fd.io coding-style-patch-verification: ON
275 *
276 * Local Variables:
277 * eval: (c-set-style "mozilla")
278 * End:
279 */
280