summaryrefslogtreecommitdiffstats
path: root/extras/vom/vom/gbp_contract.hpp
blob: a8e15fb797665a5646964244ad58ba9495b46864 (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
/*
 * 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_GBP_CONTRACT_H__
#define __VOM_GBP_CONTRACT_H__

#include "vom/acl_l3_list.hpp"
#include "vom/gbp_endpoint.hpp"
#include "vom/gbp_rule.hpp"
#include "vom/interface.hpp"
#include "vom/singular_db.hpp"
#include "vom/types.hpp"

namespace VOM {

/**
 * A entry in the ARP termination table of a Bridge Domain
 */
class gbp_contract : public object_base
{
public:
  /**
   * set of gbp rules
   */
  typedef std::set<gbp_rule> gbp_rules_t;

  /**
   * The key for a contract is the pair of EPG-IDs
   */
  typedef std::pair<sclass_t, sclass_t> key_t;

  /**
   * A set of allowed ethertypes
   */
  typedef std::set<ethertype_t> ethertype_set_t;

  /**
   * Construct a GBP contract
   */
  gbp_contract(sclass_t sclass,
               sclass_t dclass,
               const ACL::l3_list& acl,
               const gbp_rules_t& gpb_rules,
               const ethertype_set_t& allowed_ethertypes);

  /**
   * Copy Construct
   */
  gbp_contract(const gbp_contract& r);

  /**
   * Destructor
   */
  ~gbp_contract();

  /**
   * Return the object's key
   */
  const key_t key() const;

  /**
   * comparison operator
   */
  bool operator==(const gbp_contract& bdae) const;

  /**
   * Return the matching 'singular instance'
   */
  std::shared_ptr<gbp_contract> singular() const;

  /**
   * Find the instnace of the bridge_domain domain in the OM
   */
  static std::shared_ptr<gbp_contract> find(const key_t& k);

  /**
   * 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 gbp_contract& obj);

  /**
   * Find or add the instance of the contract domain in the OM
   */
  static std::shared_ptr<gbp_contract> find_or_add(const gbp_contract& 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, gbp_contract>;

  /**
   * Sweep/reap the object if still stale
   */
  void sweep(void);

  /**
   * HW configuration for the result of creating the endpoint
   */
  HW::item<bool> m_hw;

  /**
   * The source EPG ID
   */
  sclass_t m_sclass;

  /**
   * The destination EPG ID
   */
  sclass_t m_dclass;

  /**
   * The ACL applied to traffic between the gourps
   */
  std::shared_ptr<ACL::l3_list> m_acl;

  /**
   * The gbp rules applied to traffic between the gourps
   */
  gbp_rules_t m_gbp_rules;

  /**
   * the set of Ether-types allowed by this contract
   */
  ethertype_set_t m_allowed_ethertypes;

  /**
   * A map of all bridge_domains
   */
  static singular_db<key_t, gbp_contract> m_db;
};

std::ostream& operator<<(std::ostream& os, const gbp_contract::key_t& key);
}; // namespace

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "mozilla")
 * End:
 */

#endif