1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* 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/l3_binding.hpp"
#include "vom/l3_binding_cmds.hpp"
namespace VOM {
singular_db<l3_binding::key_type_t, l3_binding> l3_binding::m_db;
l3_binding::event_handler l3_binding::m_evh;
/**
* Construct a new object matching the desried state
*/
l3_binding::l3_binding(const interface& itf, const route::prefix_t& pfx)
: m_itf(itf.singular())
, m_pfx(pfx)
, m_binding(true)
{
}
l3_binding::l3_binding(const l3_binding& o)
: m_itf(o.m_itf)
, m_pfx(o.m_pfx)
, m_binding(true)
{
}
l3_binding::~l3_binding()
{
sweep();
// not in the DB anymore.
m_db.release(make_pair(m_itf->key(), m_pfx), this);
}
void
l3_binding::sweep()
{
if (m_binding) {
HW::enqueue(
new l3_binding_cmds::unbind_cmd(m_binding, m_itf->handle(), m_pfx));
}
HW::write();
}
void
l3_binding::replay()
{
if (m_binding) {
HW::enqueue(
new l3_binding_cmds::bind_cmd(m_binding, m_itf->handle(), m_pfx));
}
}
const route::prefix_t&
l3_binding::prefix() const
{
return (m_pfx);
}
const interface&
l3_binding::itf() const
{
return (*m_itf);
}
l3_binding::const_iterator_t
l3_binding::cbegin()
{
return m_db.cbegin();
}
l3_binding::const_iterator_t
l3_binding::cend()
{
return m_db.cend();
}
std::string
l3_binding::to_string() const
{
std::ostringstream s;
s << "L3-config:[" << m_itf->to_string() << " prefix:" << m_pfx.to_string()
<< " " << m_binding.to_string() << "]";
return (s.str());
}
void
l3_binding::update(const l3_binding& desired)
{
/*
* no updates for the binding. chaning the interface or the prefix is a change
* to the
* key, hence a new object
*/
if (!m_binding) {
HW::enqueue(
new l3_binding_cmds::bind_cmd(m_binding, m_itf->handle(), m_pfx));
}
}
std::shared_ptr<l3_binding>
l3_binding::find_or_add(const l3_binding& temp)
{
return (m_db.find_or_add(make_pair(temp.m_itf->key(), temp.m_pfx), temp));
}
std::shared_ptr<l3_binding>
l3_binding::singular() const
{
return find_or_add(*this);
}
void
l3_binding::dump(std::ostream& os)
{
m_db.dump(os);
}
std::ostream&
operator<<(std::ostream& os, const l3_binding::key_type_t& key)
{
os << "[" << key.first << ", " << key.second << "]";
return (os);
}
std::deque<std::shared_ptr<l3_binding>>
l3_binding::find(const interface& i)
{
/*
* Loop throught the entire map looking for matching interface.
* not the most efficient algorithm, but it will do for now. The
* number of L3 configs is low and this is only called during bootup
*/
std::deque<std::shared_ptr<l3_binding>> l3s;
auto it = m_db.cbegin();
while (it != m_db.cend()) {
/*
* The key in the DB is a pair of the interface's name and prefix.
* If the keys match, save the L3-config
*/
auto key = it->first;
if (i.key() == key.first) {
l3s.push_back(it->second.lock());
}
++it;
}
return (l3s);
}
l3_binding::event_handler::event_handler()
{
OM::register_listener(this);
inspect::register_handler({ "l3" }, "L3 bindings", this);
}
void
l3_binding::event_handler::handle_replay()
{
m_db.replay();
}
void
l3_binding::event_handler::handle_populate(const client_db::key_t& key)
{
/**
* This is done while populating the interfaces
*/
}
dependency_t
l3_binding::event_handler::order() const
{
return (dependency_t::BINDING);
}
void
l3_binding::event_handler::show(std::ostream& os)
{
m_db.dump(os);
}
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
|
