blob: db97af98c195aa3f6989f573fde8786d1030f159 (
plain)
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* 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_DHCP_CONFIG_H__
#define __VOM_DHCP_CONFIG_H__
#include "vom/hw.hpp"
#include "vom/inspect.hpp"
#include "vom/interface.hpp"
#include "vom/object_base.hpp"
#include "vom/om.hpp"
#include "vom/singular_db.hpp"
namespace VOM {
namespace dhcp_config_cmds {
class events_cmd;
};
/**
* A representation of DHCP client configuration on an interface
*/
class dhcp_config : public object_base
{
public:
/**
* typedef for the DHCP config key type
*/
typedef interface::key_t key_t;
/**
* Construct a new object matching the desried state
*/
dhcp_config(const interface& itf, const std::string& hostname);
/**
* Construct a new object matching the desried state
*/
dhcp_config(const interface& itf,
const std::string& hostname,
const l2_address_t& client_id);
/**
* Copy Constructor
*/
dhcp_config(const dhcp_config& o);
/**
* Destructor
*/
~dhcp_config();
/**
* Comparison operator - for UT
*/
bool operator==(const dhcp_config& d) const;
/**
* Return the object's key
*/
const key_t& key() const;
/**
* Return the 'singular' of the DHCP config that matches this object
*/
std::shared_ptr<dhcp_config> singular() const;
/**
* convert to string format for debug purposes
*/
std::string to_string() const;
/**
* Dump all DHCP configs into the stream provided
*/
static void dump(std::ostream& os);
/**
* Find a DHCP config from its key
*/
static std::shared_ptr<dhcp_config> find(const key_t& k);
/**
* A class that listens to DHCP Events
*/
class event_listener
{
public:
/**
* Constructor
*/
event_listener();
/**
* listener's virtual function invoked when a DHCP event is
* available to read
*/
virtual void handle_dhcp_event(dhcp_config_cmds::events_cmd* cmd) = 0;
/**
* Return the HW::item associated with this command
*/
HW::item<bool>& status();
protected:
/**
* The HW::item associated with this command
*/
HW::item<bool> m_status;
};
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;
/**
* Enquue commonds to the VPP command Q for the update
*/
void update(const dhcp_config& obj);
/**
* Find or add DHCP config to the OM
*/
static std::shared_ptr<dhcp_config> find_or_add(const dhcp_config& temp);
/*
* It's the OM class that calls singular()
*/
friend class OM;
/**
* It's the singular_db class that calls replay()
*/
friend class singular_db<key_t, dhcp_config>;
/**
* Sweep/reap the object if still stale
*/
void sweep(void);
/**
* replay the object to create it in hardware
*/
void replay(void);
/**
* A reference counting pointer to the interface on which DHCP config
* resides. By holding the reference here, we can guarantee that
* this object will outlive the interface
*/
const std::shared_ptr<interface> m_itf;
/**
* The hostname in the DHCP configuration
*/
const std::string m_hostname;
/**
* The option-61 client_id in the DHCP configuration
*/
const l2_address_t m_client_id;
/**
* HW configuration for the binding. The bool representing the
* do/don't bind.
*/
HW::item<bool> m_binding;
/**
* A map of all Dhcp configs keyed against the interface.
*/
static singular_db<key_t, dhcp_config> m_db;
};
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
#endif
|
