FD.io VPP  v19.01.3-6-g70449b9b9
Vector Packet Processing
bridge_domain.hpp
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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 #ifndef __VOM_BRIDGE_DOMAIN_H__
17 #define __VOM_BRIDGE_DOMAIN_H__
18 
19 #include "vom/enum_base.hpp"
20 #include "vom/hw.hpp"
21 #include "vom/inspect.hpp"
22 #include "vom/object_base.hpp"
23 #include "vom/om.hpp"
24 #include "vom/singular_db.hpp"
25 
26 namespace VOM {
27 /**
28  * A base class for all object_base in the VPP object_base-Model.
29  * provides the abstract interface.
30  */
31 class bridge_domain : public object_base
32 {
33 public:
34  /**
35  * Key Type for Bridge Domains in the sigular DB
36  */
37  typedef uint32_t key_t;
38 
39  /**
40  * Bridge Domain Learning mode
41  */
42  struct learning_mode_t : enum_base<learning_mode_t>
43  {
44  const static learning_mode_t ON;
45  const static learning_mode_t OFF;
46 
47  private:
48  /**
49  * Private constructor taking the value and the string name
50  */
51  learning_mode_t(int v, const std::string& s);
52  };
53 
54  /**
55  * Bridge Domain ARP termination mode
56  */
57  struct arp_term_mode_t : enum_base<arp_term_mode_t>
58  {
59  const static arp_term_mode_t ON;
60  const static arp_term_mode_t OFF;
61 
62  private:
63  /**
64  * Private constructor taking the value and the string name
65  */
66  arp_term_mode_t(int v, const std::string& s);
67  };
68 
69  /**
70  * Bridge Domain MAC aging mode
71  */
72  struct mac_age_mode_t : enum_base<mac_age_mode_t>
73  {
74  const static mac_age_mode_t ON;
75  const static mac_age_mode_t OFF;
76 
77  private:
78  /**
79  * Private constructor taking the value and the string name
80  */
81  mac_age_mode_t(int v, const std::string& s);
82  };
83 
84  /**
85  * Bridge Domain Learning mode
86  */
87  struct flood_mode_t : enum_base<flood_mode_t>
88  {
89  const static flood_mode_t ON;
90  const static flood_mode_t OFF;
91 
92  private:
93  /**
94  * Private constructor taking the value and the string name
95  */
96  flood_mode_t(int v, const std::string& s);
97  };
98 
99  /**
100  * The value of the defaultbridge domain
101  */
102  const static uint32_t DEFAULT_TABLE = 0;
103 
104  /**
105  * Construct a new object matching the desried state
106  */
107  bridge_domain(uint32_t id,
108  const learning_mode_t& lmode = learning_mode_t::ON,
109  const arp_term_mode_t& amode = arp_term_mode_t::ON,
110  const flood_mode_t& fmode = flood_mode_t::ON,
111  const mac_age_mode_t& mmode = mac_age_mode_t::OFF);
112 
113  /**
114  * Copy Constructor
115  */
116  bridge_domain(const bridge_domain& o);
117 
118  /**
119  * Destructor
120  */
121  ~bridge_domain();
122 
123  /**
124  * Comparison operator - for UT
125  */
126  bool operator==(const bridge_domain& b) const;
127 
128  /**
129  * Return the bridge domain's VPP ID
130  */
131  uint32_t id() const;
132 
133  /**
134  * Return the bridge domain's key
135  */
136  const key_t& key() const;
137 
138  /**
139  * Return the matchin 'singular' instance of the bridge-domain
140  */
141  std::shared_ptr<bridge_domain> singular() const;
142 
143  /**
144  * convert to string format for debug purposes
145  */
146  std::string to_string(void) const;
147 
148  /**
149  * Static function to find the bridge_domain in the model
150  */
151  static std::shared_ptr<bridge_domain> find(const key_t& key);
152 
153  /**
154  * Dump all bridge-doamin into the stream provided
155  */
156  static void dump(std::ostream& os);
157 
158 private:
159  /**
160  * Class definition for listeners to OM events
161  */
163  {
164  public:
165  event_handler();
166  virtual ~event_handler() = default;
167 
168  /**
169  * Handle a populate event
170  */
171  void handle_populate(const client_db::key_t& key);
172 
173  /**
174  * Handle a replay event
175  */
176  void handle_replay();
177 
178  /**
179  * Show the object in the Singular DB
180  */
181  void show(std::ostream& os);
182 
183  /**
184  * Get the sortable Id of the listener
185  */
186  dependency_t order() const;
187  };
188 
189  /**
190  * Instance of the event handler to register with OM
191  */
192  static event_handler m_evh;
193 
194  /**
195  * Commit the acculmulated changes into VPP. i.e. to a 'HW" write.
196  */
197  void update(const bridge_domain& obj);
198 
199  /**
200  * Find or add an singular of a Bridge-Domain in the object_base Model
201  */
202  static std::shared_ptr<bridge_domain> find_or_add(const bridge_domain& temp);
203 
204  /*
205  * It's the OM class that calls singular()
206  */
207  friend class OM;
208 
209  /**
210  * It's the singular_db class that calls replay()
211  */
212  friend class singular_db<key_t, bridge_domain>;
213 
214  /**
215  * Sweep/reap the object if still stale
216  */
217  void sweep(void);
218 
219  /**
220  * replay the object to create it in hardware
221  */
222  void replay(void);
223 
224  /**
225  * The ID we assign to this BD and the HW result in VPP
226  */
227  HW::item<uint32_t> m_id;
228 
229  /**
230  * The learning mode of the bridge
231  */
232  learning_mode_t m_learning_mode;
233 
234  /**
235  * The ARP termination mode of the bridge
236  */
237  arp_term_mode_t m_arp_term_mode;
238 
239  /**
240  * The flood mode of the bridge
241  */
242  flood_mode_t m_flood_mode;
243 
244  /**
245  * The MAC aging mode of the bridge
246  */
247  mac_age_mode_t m_mac_age_mode;
248 
249  /**
250  * A map of all interfaces key against the interface's name
251  */
253 };
254 };
255 
256 /*
257  * fd.io coding-style-patch-verification: ON
258  *
259  * Local Variables:
260  * eval: (c-set-style "mozilla")
261  * End:
262  */
263 
264 #endif
Bridge Domain MAC aging mode.
A template base class for all enum types.
Definition: enum_base.hpp:30
const std::string key_t
In the opflex world each entity is known by a URI which can be converted into a string.
Definition: client_db.hpp:51
std::shared_ptr< bridge_domain > singular() const
Return the matchin &#39;singular&#39; instance of the bridge-domain.
static const arp_term_mode_t OFF
static const flood_mode_t OFF
static const learning_mode_t ON
static const arp_term_mode_t ON
static std::shared_ptr< bridge_domain > find(const key_t &key)
Static function to find the bridge_domain in the model.
static void dump(std::ostream &os)
Dump all bridge-doamin into the stream provided.
bool operator==(const enum_base &e) const
Comparison operator.
Definition: enum_base.hpp:41
static const flood_mode_t ON
static const learning_mode_t OFF
A Database to store the unique &#39;singular&#39; instances of a single object type.
Definition: singular_db.hpp:33
static const mac_age_mode_t ON
const key_t & key() const
Return the bridge domain&#39;s key.
static const mac_age_mode_t OFF
Bridge Domain ARP termination mode.
Bridge Domain Learning mode.
A base class for all object_base in the VPP object_base-Model.
Class definition for listeners to OM events.
Definition: om.hpp:284
inspect command handler Handler
Definition: inspect.hpp:54
const std::string & to_string() const
convert to string format for debug purposes
Definition: enum_base.hpp:36
void event_handler(void *tls_async)
Definition: tls_async.c:340
dependency_t
There needs to be a strict order in which object types are read from VPP (at boot time) and replayed ...
Definition: types.hpp:43
bridge_domain(uint32_t id, const learning_mode_t &lmode=learning_mode_t::ON, const arp_term_mode_t &amode=arp_term_mode_t::ON, const flood_mode_t &fmode=flood_mode_t::ON, const mac_age_mode_t &mmode=mac_age_mode_t::OFF)
Construct a new object matching the desried state.
The interface to writing objects into VPP OM.
Definition: om.hpp:140
uint32_t key_t
Key Type for Bridge Domains in the sigular DB.
A base class for all object_base in the VPP object_base-Model.
Definition: object_base.hpp:29
Bridge Domain Learning mode.
The VPP Object Model (VOM) library.
Definition: acl_binding.cpp:19
void show(char *chroot_path, int verbose)
Definition: svmtool.c:105
uint32_t id() const
Return the bridge domain&#39;s VPP ID.
static const uint32_t DEFAULT_TABLE
The value of the defaultbridge domain.
~bridge_domain()
Destructor.