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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/*
* 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 <boost/algorithm/string.hpp>
#include "vom/bond_interface.hpp"
#include "vom/bond_member.hpp"
#include "vom/interface_factory.hpp"
#include "vom/sub_interface.hpp"
#include "vom/tap_interface.hpp"
namespace VOM {
std::shared_ptr<interface>
interface_factory::new_interface(const vapi_payload_sw_interface_details& vd)
{
std::shared_ptr<interface> sp;
/**
* Determine the interface type from the name and VLAN attributes
*/
std::string name = reinterpret_cast<const char*>(vd.interface_name.buf);
interface::type_t type = interface::type_t::from_string(name);
interface::admin_state_t state = interface::admin_state_t::from_int(
vd.flags & vapi_enum_if_status_flags::IF_STATUS_API_FLAG_ADMIN_UP);
handle_t hdl(vd.sw_if_index);
l2_address_t l2_address(vd.l2_address, 6);
std::string tag = "";
if (interface::type_t::UNKNOWN == type) {
return sp;
}
sp = interface::find(hdl);
if (sp) {
sp->set(state);
sp->set(l2_address);
if (!tag.empty())
sp->set(tag);
return sp;
}
/*
* If here, Fall back to old routine
*/
if (interface::type_t::AFPACKET == type) {
/*
* need to strip VPP's "host-" prefix from the interface name
*/
name = name.substr(5);
}
/**
* if the tag is set, then we wrote that to specify a name to make
* the interface type more specific
*/
if (vd.tag.buf[0] != 0) {
tag = std::string(reinterpret_cast<const char*>(vd.tag.buf));
}
if (!tag.empty() && interface::type_t::LOOPBACK == type) {
name = tag;
type = interface::type_t::from_string(name);
}
/*
* pull out the other special cases
*/
if (interface::type_t::TAPV2 == type) {
/*
* TAP interfaces
*/
sp = interface::find(hdl);
if (sp && !tag.empty())
sp->set(tag);
} else if (interface::type_t::PIPE == type) {
/*
* there's not enough information in a SW interface record to
* construct a pipe. so skip it. They have
* their own dump routines
*/
} else if ((name.find(".") != std::string::npos) && (0 != vd.sub_id)) {
/*
* Sub-interface
* split the name into the parent and VLAN
*/
std::vector<std::string> parts;
std::shared_ptr<interface> parent;
boost::split(parts, name, boost::is_any_of("."));
if ((parent = interface::find(parts[0])))
sp = sub_interface(*parent, state, vd.sub_id).singular();
else {
interface parent_itf(parts[0], type, state, tag);
sp = sub_interface(parent_itf, state, vd.sub_id).singular();
}
} else if (interface::type_t::VXLAN == type) {
/*
* there's not enough information in a SW interface record to
* construct a VXLAN tunnel. so skip it. They have
* their own dump routines
*/
} else if (interface::type_t::VHOST == type) {
/*
* vhost interface already exist in db, look for it using
* sw_if_index
*/
} else if (interface::type_t::BOND == type) {
sp = bond_interface(name, state, l2_address,
bond_interface::mode_t::UNSPECIFIED)
.singular();
} else {
sp = interface(name, type, state, tag).singular();
sp->set(l2_address);
}
/*
* set the handle on the intterface - N.B. this is the sigluar instance
* not a stack local.
*/
if (sp)
sp->set(hdl);
return (sp);
}
std::shared_ptr<interface>
interface_factory::new_vhost_user_interface(
const vapi_payload_sw_interface_vhost_user_details& vd)
{
std::shared_ptr<interface> sp;
std::string name = reinterpret_cast<const char*>(vd.sock_filename);
interface::type_t type = interface::type_t::from_string(name);
handle_t hdl(vd.sw_if_index);
sp = interface(name, type, interface::admin_state_t::DOWN).singular();
sp->set(hdl);
return (sp);
}
std::shared_ptr<interface>
interface_factory::new_af_packet_interface(
const vapi_payload_af_packet_details& vd)
{
std::shared_ptr<interface> sp;
std::string name = reinterpret_cast<const char*>(vd.host_if_name);
handle_t hdl(vd.sw_if_index);
sp =
interface(name, interface::type_t::AFPACKET, interface::admin_state_t::DOWN)
.singular();
sp->set(hdl);
return (sp);
}
std::shared_ptr<tap_interface>
interface_factory::new_tap_interface(
const vapi_payload_sw_interface_tap_v2_details& vd)
{
std::shared_ptr<tap_interface> sp;
handle_t hdl(vd.sw_if_index);
std::string name = reinterpret_cast<const char*>(vd.host_if_name);
route::prefix_t pfx(route::prefix_t::ZERO);
boost::asio::ip::address addr;
if (vd.host_ip4_prefix_len)
pfx =
route::prefix_t(0, (uint8_t*)vd.host_ip4_addr, vd.host_ip4_prefix_len);
else if (vd.host_ip6_prefix_len)
pfx =
route::prefix_t(1, (uint8_t*)vd.host_ip6_addr, vd.host_ip6_prefix_len);
l2_address_t l2_address(vd.host_mac_addr, 6);
sp = tap_interface(name, interface::admin_state_t::UP, pfx, l2_address)
.singular();
sp->set(hdl);
return (sp);
}
std::shared_ptr<bond_interface>
interface_factory::new_bond_interface(
const vapi_payload_sw_interface_bond_details& vd)
{
std::shared_ptr<bond_interface> sp;
std::string name = reinterpret_cast<const char*>(vd.interface_name);
handle_t hdl(vd.sw_if_index);
bond_interface::mode_t mode =
bond_interface::mode_t::from_numeric_val(vd.mode);
bond_interface::lb_t lb = bond_interface::lb_t::from_numeric_val(vd.lb);
sp = bond_interface::find(hdl);
if (sp) {
sp->set(mode);
sp->set(lb);
}
return (sp);
}
bond_member
interface_factory::new_bond_member_interface(
const vapi_payload_sw_interface_slave_details& vd)
{
std::shared_ptr<bond_member> sp;
std::string name = reinterpret_cast<const char*>(vd.interface_name);
handle_t hdl(vd.sw_if_index);
bond_member::mode_t mode =
bond_member::mode_t::from_numeric_val(vd.is_passive);
bond_member::rate_t rate =
bond_member::rate_t::from_numeric_val(vd.is_long_timeout);
std::shared_ptr<interface> itf = interface::find(hdl);
bond_member bm(*itf, mode, rate);
return (bm);
}
std::shared_ptr<pipe>
interface_factory::new_pipe_interface(const vapi_payload_pipe_details& payload)
{
std::shared_ptr<pipe> sp;
handle_t hdl(payload.sw_if_index);
pipe::handle_pair_t hdl_pair(payload.pipe_sw_if_index[0],
payload.pipe_sw_if_index[1]);
sp = pipe(payload.instance, interface::admin_state_t::UP).singular();
sp->set(hdl);
sp->set_ends(hdl_pair);
return (sp);
}
}; // namespace VOM
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "mozilla")
* End:
*/
|
