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
|
/*
* 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.
*/
#ifndef __VOM_NAT_STATIC_H__
#define __VOM_NAT_STATIC_H__
#include "vom/route.hpp"
#include "vom/singular_db.hpp"
#include "vom/types.hpp"
namespace VOM {
/**
* A entry in the ARP termination table of a Bridge Domain
*/
class nat_static : public object_base
{
public:
/**
* The key for a NAT static mapping.
* So far only model the address only case. The address
* is the outside.
*/
typedef std::pair<route::table_id_t, boost::asio::ip::address> key_t;
/**
* Construct an NAT Static binding with the outside address in default
* table
*/
nat_static(const boost::asio::ip::address& inside,
const boost::asio::ip::address_v4& outside);
/**
* Construct an NAT Static binding with the outside address in
* route-domain specified
*/
nat_static(const route_domain& rd,
const boost::asio::ip::address& inside,
const boost::asio::ip::address_v4& outside);
/**
* Copy Construct
*/
nat_static(const nat_static& r);
/**
* Destructor
*/
~nat_static();
/**
* Comparison operator - for UT
*/
bool operator==(const nat_static& n) const;
/**
* Return the object's key
*/
const key_t key() const;
/**
* Return the matching 'singular instance'
*/
std::shared_ptr<nat_static> singular() const;
/**
* Find the instnace of the bridge_domain domain in the OM
*/
static std::shared_ptr<nat_static> find(const key_t& key);
/**
* Dump all bridge_domain-doamin into the stream provided
*/
static void dump(std::ostream& os);
/**
* replay the object to create it in hardware
*/
void replay(void);
/**
* Convert to string for debugging
*/
std::string to_string() const;
private:
/**
* Class definition for listeners to OM events
*/
class event_handler : public OM::listener, public inspect::command_handler
{
public:
event_handler();
virtual ~event_handler() = default;
/**
* Handle a populate event
*/
void handle_populate(const client_db::key_t& key);
/**
* Handle a replay event
*/
void handle_replay();
/**
* Show the object in the Singular DB
*/
void show(std::ostream& os);
/**
* Get the sortable Id of the listener
*/
dependency_t order() const;
};
/**
* event_handler to register with OM
*/
static event_handler m_evh;
/**
* Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
*/
void update(const nat_static& obj);
/**
* Find or add the instnace of the bridge_domain domain in the OM
*/
static std::shared_ptr<nat_static> find_or_add(const nat_static& temp);
/*
* It's the VPPHW class that updates the objects in HW
*/
friend class OM;
/**
* It's the singular_db class that calls replay()
*/
friend class singular_db<key_t, nat_static>;
/**
* Sweep/reap the object if still stale
*/
void sweep(void);
/**
* HW configuration for the result of creating the bridge_domain
*/
HW::item<bool> m_hw;
/**
* The table-ID the outside address resides in
*/
std::shared_ptr<route_domain> m_rd;
/**
* The 'inside' IP address, could be v4 or v6
*/
const boost::asio::ip::address& m_inside;
/**
* The 'outside' IP address - always v4
*/
const boost::asio::ip::address_v4& m_outside;
/**
* A map of all NAT statics
*/
static singular_db<key_t, nat_static> m_db;
};
std::ostream& operator<<(std::ostream& os, const nat_static::key_t& key);
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
|
