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#include <vnet/ethernet/ethernet.h>
17#include <ioam/analyse/ioam_analyse.h>
18#include <ioam/export-common/ioam_export.h>
19#include <ioam/analyse/ip6/ip6_ioam_analyse.h>
20#include <ioam/analyse/ioam_summary_export.h>
21#include <vnet/ip/ip.h>
22#include <ioam/ipfixcollector/ipfixcollector.h>
23
24extern ioam_export_main_t ioam_export_main;
25static clib_error_t *
26ioam_analyse_enable_disable (vlib_main_t * vm,
27			     int is_add, int is_export, int remote_listen)
28{
29  ipfix_client_add_del_t ipfix_reg;
30  clib_error_t *rv = 0;
31
32  ipfix_reg.client_name = format (0, "ip6-hbh-analyse-remote");
33  ipfix_reg.client_node = analyse_node_remote.index;
34  ipfix_reg.ipfix_setid = IPFIX_IOAM_EXPORT_ID;
35
36  if (is_export)
37    {
38      rv = ioam_flow_create (!is_add);
39      if (rv)
40	goto ret;
41    }
42
43  if (is_add)
44    {
45      ip6_ioam_analyse_register_handlers ();
46      if (remote_listen)
47	{
48	  ipfix_reg.del = 0;
49	  ipfix_collector_reg_setid (vm, &ipfix_reg);
50	}
51      else
52	{
53	  ioam_export_set_next_node (&ioam_export_main,
54				     (u8 *) "ip6-hbh-analyse-local");
55	}
56    }
57  else
58    {
59      ip6_ioam_analyse_unregister_handlers ();
60      if (remote_listen)
61	{
62	  ipfix_reg.del = 1;
63	  ipfix_collector_reg_setid (vm, &ipfix_reg);
64	}
65      else
66	ioam_export_reset_next_node (&ioam_export_main);
67    }
68
69ret:
70  vec_free (ipfix_reg.client_name);
71  return rv;
72}
73
74static clib_error_t *
75set_ioam_analyse_command_fn (vlib_main_t * vm, unformat_input_t * input,
76			     vlib_cli_command_t * cmd)
77{
78  int is_export = 0;
79  int is_add = 1;
80  int remote_listen = 0;
81
82  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
83    {
84      if (unformat (input, "export-ipfix-collector"))
85	is_export = 1;
86      else if (unformat (input, "disable"))
87	is_add = 0;
88      else if (unformat (input, "listen-ipfix"))
89	remote_listen = 1;
90      else
91	break;
92    }
93
94  return (ioam_analyse_enable_disable (vm, is_add, is_export, remote_listen));
95}
96
97/* *INDENT-OFF* */
98VLIB_CLI_COMMAND (set_ioam_analyse_command, static) = {
99  .path = "set ioam analyse",
100  .short_help = "set ioam analyse [export-ipfix-collector] [disable] [listen-ipfix]",
101  .function = set_ioam_analyse_command_fn,
102};
103/* *INDENT-ON* */
104
105static clib_error_t *
106show_ioam_analyse_cmd_fn (vlib_main_t * vm, unformat_input_t * input,
107			  vlib_cli_command_t * cmd)
108{
109  ip6_ioam_analyser_main_t *am = &ioam_analyser_main;
110  ioam_analyser_data_t *record = NULL;
111  u8 i;
112  u8 *s = 0;
113
114  vec_reset_length (s);
115  s = format (0, "iOAM Analyse Information: \n");
116  vec_foreach_index (i, am->aggregated_data)
117  {
118    record = am->aggregated_data + i;
119    if (record->is_free)
120      continue;
121
122    s = format (s, "Flow Number: %u\n", i);
123    s = print_analyse_flow (s, record);
124    s = format (s, "\n");
125  }
126  vlib_cli_output (vm, "%v", s);
127
128  vec_free (s);
129
130  return 0;
131}
132
133/* *INDENT-OFF* */
134VLIB_CLI_COMMAND (ip6_show_ioam_ipfix_cmd, static) = {
135  .path = "show ioam analyse ",
136  .short_help = "show ioam analyser information",
137  .function = show_ioam_analyse_cmd_fn,
138};
139/* *INDENT-ON* */
140
141static clib_error_t *
142ioam_analyse_init (vlib_main_t * vm)
143{
144  ip6_ioam_analyser_main_t *am = &ioam_analyser_main;
145  u16 i;
146
147  vec_validate_aligned (am->aggregated_data, 50, CLIB_CACHE_LINE_BYTES);
148  vec_foreach_index (i, am->aggregated_data)
149  {
150    ioam_analyse_init_data (am->aggregated_data + i);
151  }
152
153  return 0;
154}
155
156VLIB_INIT_FUNCTION (ioam_analyse_init);
157
158/*
159 * fd.io coding-style-patch-verification: ON
160 *
161 * Local Variables:
162 * eval: (c-set-style "gnu")
163 * End:
164 */
165