aboutsummaryrefslogtreecommitdiffstats
path: root/src/vpp-api/vom/tap_interface.cpp
blob: 4f88d3b8fad7675b3bf2aa557ec000488ab45676 (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
/*
 * 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/tap_interface.hpp"
#include "vom/tap_interface_cmds.hpp"

#include <vapi/vpe.api.vapi.hpp>

namespace VOM {
tap_interface::event_handler tap_interface::m_evh;

/**
 * Construct a new object matching the desried state
 */
tap_interface::tap_interface(const std::string& name,
                             admin_state_t state,
                             route::prefix_t prefix)
  : interface(name, type_t::TAP, state)
  , m_prefix(prefix)
  , m_l2_address(l2_address_t::ZERO)
{
}

tap_interface::tap_interface(const std::string& name,
                             admin_state_t state,
                             route::prefix_t prefix,
                             const l2_address_t& l2_address)
  : interface(name, type_t::TAP, state)
  , m_prefix(prefix)
  , m_l2_address(l2_address)
{
}

tap_interface::tap_interface(const handle_t& hdl,
                             const std::string& name,
                             admin_state_t state,
                             route::prefix_t prefix)
  : interface(hdl, l2_address_t::ZERO, name, type_t::TAP, state)
  , m_prefix(prefix)
  , m_l2_address(l2_address_t::ZERO)
{
}

tap_interface::~tap_interface()
{
  sweep();
  release();
}

tap_interface::tap_interface(const tap_interface& o)
  : interface(o)
  , m_prefix(o.m_prefix)
  , m_l2_address(o.m_l2_address)
{
}

std::queue<cmd*>&
tap_interface::mk_create_cmd(std::queue<cmd*>& q)
{
  q.push(
    new tap_interface_cmds::create_cmd(m_hdl, name(), m_prefix, m_l2_address));

  return (q);
}

std::queue<cmd*>&
tap_interface::mk_delete_cmd(std::queue<cmd*>& q)
{
  q.push(new tap_interface_cmds::delete_cmd(m_hdl));

  return (q);
}

std::shared_ptr<tap_interface>
tap_interface::singular() const
{
  return std::dynamic_pointer_cast<tap_interface>(singular_i());
}

std::shared_ptr<interface>
tap_interface::singular_i() const
{
  return m_db.find_or_add(name(), *this);
}

void
tap_interface::event_handler::handle_populate(const client_db::key_t& key)
{
  /*
   * dump VPP current states
   */
  std::shared_ptr<tap_interface_cmds::dump_cmd> cmd =
    std::make_shared<tap_interface_cmds::dump_cmd>();

  HW::enqueue(cmd);
  HW::write();

  for (auto& record : *cmd) {
    auto& payload = record.get_payload();

    std::string name = reinterpret_cast<const char*>(payload.dev_name);

    tap_interface itf(name, interface::admin_state_t::UP,
                      route::prefix_t::ZERO);

    VOM_LOG(log_level_t::DEBUG) << "tap-dump: " << itf.to_string();

    /*
     * Write each of the discovered interfaces into the OM,
     * but disable the HW Command q whilst we do, so that no
     * commands are sent to VPP
     */
    OM::commit(key, itf);
  }
}

tap_interface::event_handler::event_handler()
{
  OM::register_listener(this);
  inspect::register_handler({ "tap" }, "tap_interfaces", this);
}

void
tap_interface::event_handler::handle_replay()
{
  m_db.replay();
}

dependency_t
tap_interface::event_handler::order() const
{
  return (dependency_t::INTERFACE);
}

void
tap_interface::event_handler::show(std::ostream& os)
{
  // dumped by the interface handler
}

}; // namespace VOM

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