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
|
/*
* Copyright (c) 2019 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 <vnet/vnet.h>
#include <builtinurl/builtinurl.h>
#include <http_static/http_static.h>
#include <vpp/app/version.h>
int
handle_get_version (http_builtin_method_type_t reqtype,
u8 * request, http_session_t * hs)
{
u8 *s = 0;
/* Build some json bullshit */
s = format (s, "{\"vpp_details\": {");
s = format (s, " \"version\": \"%s\",", VPP_BUILD_VER);
s = format (s, " \"build_date\": \"%s\"}}\r\n", VPP_BUILD_DATE);
hs->data = s;
hs->data_offset = 0;
hs->cache_pool_index = ~0;
hs->free_data = 1;
return 0;
}
void
trim_path_from_request (u8 * s, char *path)
{
u8 *cp;
int trim_length = strlen (path) + 1 /* remove '?' */ ;
/* Get rid of the path and question-mark */
vec_delete (s, trim_length, 0);
/* Tail trim irrelevant browser info */
cp = s;
while ((cp - s) < vec_len (s))
{
if (*cp == ' ')
{
/*
* Makes request a vector which happens to look
* like a c-string.
*/
*cp = 0;
_vec_len (s) = cp - s;
break;
}
cp++;
}
}
int
handle_get_interface_stats (http_builtin_method_type_t reqtype,
u8 * request, http_session_t * hs)
{
u8 *s = 0, *stats = 0;
uword *p;
u32 *sw_if_indices = 0;
vnet_hw_interface_t *hi;
vnet_sw_interface_t *si;
char *q = "\"";
int i;
int need_comma = 0;
u8 *format_vnet_sw_interface_cntrs (u8 * s, vnet_interface_main_t * im,
vnet_sw_interface_t * si, int json);
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
/* Get stats for a single interface via http POST */
if (reqtype == HTTP_BUILTIN_METHOD_POST)
{
trim_path_from_request (request, "interface_stats.json");
/* Find the sw_if_index */
p = hash_get (im->hw_interface_by_name, request);
if (!p)
{
s = format (s, "{\"interface_stats\": {[\n");
s = format (s, " \"name\": \"%s\",", request);
s = format (s, " \"error\": \"%s\"", "UnknownInterface");
s = format (s, "]}\n");
goto out;
}
vec_add1 (sw_if_indices, p[0]);
}
else /* default, HTTP_BUILTIN_METHOD_GET */
{
/* *INDENT-OFF* */
pool_foreach (hi, im->hw_interfaces)
{
vec_add1 (sw_if_indices, hi->sw_if_index);
}
/* *INDENT-ON* */
}
s = format (s, "{%sinterface_stats%s: [\n", q, q);
for (i = 0; i < vec_len (sw_if_indices); i++)
{
si = vnet_get_sw_interface (vnm, sw_if_indices[i]);
if (need_comma)
s = format (s, ",\n");
need_comma = 1;
s = format (s, "{%sname%s: %s%U%s, ", q, q, q,
format_vnet_sw_if_index_name, vnm, sw_if_indices[i], q);
stats = format_vnet_sw_interface_cntrs (stats, &vnm->interface_main, si,
1 /* want json */ );
if (vec_len (stats))
s = format (s, "%v}", stats);
else
s = format (s, "%snone%s: %strue%s}", q, q, q, q);
vec_reset_length (stats);
}
s = format (s, "]}\n");
out:
hs->data = s;
hs->data_offset = 0;
hs->cache_pool_index = ~0;
hs->free_data = 1;
vec_free (sw_if_indices);
vec_free (stats);
return 0;
}
int
handle_get_interface_list (http_builtin_method_type_t reqtype,
u8 * request, http_session_t * hs)
{
u8 *s = 0;
int i;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
vnet_hw_interface_t *hi;
u32 *hw_if_indices = 0;
int need_comma = 0;
/* Construct vector of active hw_if_indexes ... */
/* *INDENT-OFF* */
pool_foreach (hi, im->hw_interfaces)
{
/* No point in mentioning "local0"... */
if (hi - im->hw_interfaces)
vec_add1 (hw_if_indices, hi - im->hw_interfaces);
}
/* *INDENT-ON* */
/* Build answer */
s = format (s, "{\"interface_list\": [\n");
for (i = 0; i < vec_len (hw_if_indices); i++)
{
if (need_comma)
s = format (s, ",\n");
hi = pool_elt_at_index (im->hw_interfaces, hw_if_indices[i]);
s = format (s, "\"%v\"", hi->name);
need_comma = 1;
}
s = format (s, "]}\n");
vec_free (hw_if_indices);
hs->data = s;
hs->data_offset = 0;
hs->cache_pool_index = ~0;
hs->free_data = 1;
return 0;
}
void
builtinurl_handler_init (builtinurl_main_t * bm)
{
bm->register_handler (handle_get_version, "version.json",
HTTP_BUILTIN_METHOD_GET);
bm->register_handler (handle_get_interface_list, "interface_list.json",
HTTP_BUILTIN_METHOD_GET);
bm->register_handler (handle_get_interface_stats,
"interface_stats.json", HTTP_BUILTIN_METHOD_GET);
bm->register_handler (handle_get_interface_stats,
"interface_stats.json", HTTP_BUILTIN_METHOD_POST);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
