aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/stn/stn_api.c
blob: d9f3096b77854926b7595b8368b2cd88c745927f (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
/*
 * 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 <vlibapi/api.h>
#include <vlibmemory/api.h>

#include <plugins/stn/stn.h>
#include <vnet/ip/format.h>

#include <vppinfra/byte_order.h>

/* define message IDs */
#include <stn/stn.api_enum.h>
#include <stn/stn.api_types.h>

#define REPLY_MSG_ID_BASE stn_main.msg_id_base
#include <vlibapi/api_helper_macros.h>

#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
/* Macro to finish up custom dump fns */
#define FINISH                                  \
    vec_add1 (s, 0);                            \
    vl_print (handle, (char *)s);               \
    vec_free (s);                               \
    return handle;

/**
 * @brief API message custom-dump function
 * @param mp vl_api_stn_add_del_rule_t * mp the api message
 * @param handle void * print function handle
 * @returns u8 * output string
 */
static void *vl_api_stn_add_del_rule_t_print
  (vl_api_stn_add_del_rule_t * mp, void *handle)
{
  u8 *s;

  s = format (0, "SCRIPT: stn_add_del_rule ");
  if (mp->is_ip4)
    s = format (s, "address %U ", format_ip4_address, mp->ip_address);
  else
    s = format (s, "address %U ", format_ip6_address, mp->ip_address);
  s = format (s, "sw_if_index %d is_add %d", mp->sw_if_index, mp->is_add);

  FINISH;
}

static void
vl_api_stn_add_del_rule_t_handler (vl_api_stn_add_del_rule_t * mp)
{
  stn_rule_add_del_args_t args;
  vl_api_stn_add_del_rule_reply_t *rmp;
  int rv = 0;

  if (mp->is_ip4)
    {
      ip4_address_t a;
      memcpy (&a, mp->ip_address, sizeof (a));
      ip46_address_set_ip4 (&args.address, &a);
    }
  else
    memcpy (&args.address.ip6, mp->ip_address, sizeof (ip6_address_t));

  args.sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
  args.del = !mp->is_add;

  rv = stn_rule_add_del (&args);

  REPLY_MACRO (VL_API_STN_ADD_DEL_RULE_REPLY);
}

static void
send_stn_rules_details (stn_rule_t * r, vl_api_registration_t * reg,
			u32 context)
{
  vl_api_stn_rules_details_t *rmp;

  rmp = vl_msg_api_alloc (sizeof (*rmp));
  clib_memset (rmp, 0, sizeof (*rmp));
  rmp->_vl_msg_id =
    clib_host_to_net_u16 (VL_API_STN_RULES_DETAILS + stn_main.msg_id_base);

  if (ip46_address_is_ip4 (&r->address))
    {
      clib_memcpy (rmp->ip_address, &r->address.ip4, sizeof (ip4_address_t));
      rmp->is_ip4 = 1;
    }
  else
    {
      clib_memcpy (rmp->ip_address, &r->address.ip6, sizeof (ip6_address_t));
    }

  rmp->context = context;
  rmp->sw_if_index = clib_host_to_net_u32 (r->sw_if_index);

  vl_api_send_msg (reg, (u8 *) rmp);
}

static void
vl_api_stn_rules_dump_t_handler (vl_api_stn_rules_dump_t * mp)
{
  vl_api_registration_t *reg;
  stn_main_t *stn = &stn_main;
  stn_rule_t *r;

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (reg == 0)
    return;

  /* *INDENT-OFF* */
  pool_foreach (r, stn->rules,({
    send_stn_rules_details (r, reg, mp->context);
  }));
  /* *INDENT-ON* */
}

#include <stn/stn.api.c>
clib_error_t *
stn_api_init (vlib_main_t * vm, stn_main_t * sm)
{
  /* Ask for a correctly-sized block of API message decode slots */
  sm->msg_id_base = setup_message_id_table ();

  return 0;
}

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