/*
* Copyright (c) 2016 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.
*/
/**
* @brief The IPv4 Multicast-FIB
*
* FIXME
*
* This IPv4 FIB is used by the protocol independent FIB. So directly using
* this APIs in client code is not encouraged. However, this IPv4 FIB can be
* used if all the client wants is an IPv4 prefix data-base
*/
#ifndef __IP4_MFIB_H__
#define __IP4_MFIB_H__
#include <vlib/vlib.h>
#include <vnet/ip/ip.h>
#include <vnet/mfib/mfib_table.h>
extern fib_node_index_t ip4_mfib_table_lookup(const ip4_mfib_t *fib,
const ip4_address_t *src,
const ip4_address_t *grp,
u32 len);
extern fib_node_index_t ip4_mfib_table_lookup_exact_match(const ip4_mfib_t *fib,
const ip4_address_t *grp,
const ip4_address_t *src,
u32 len);
extern void ip4_mfib_table_entry_remove(ip4_mfib_t *fib,
const ip4_address_t *grp,
const ip4_address_t *src,
u32 len);
extern void ip4_mfib_table_entry_insert(ip4_mfib_t *fib,
const ip4_address_t *grp,
const ip4_address_t *src,
u32 len,
fib_node_index_t fib_entry_index);
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/*
* Copyright (c) 2020 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 <vppinfra/cJSON.h>
#include <vnet/ethernet/mac_address.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip_format_fns.h>
#include <vpp/api/types.h>
#include "jsonconvert.h"
#define _(T) \
int vl_api_ ##T## _fromjson(cJSON *o, T *d) \
{ \
if (!cJSON_IsNumber(o)) return -1; \
memcpy(d, &o->valueint, sizeof(T)); \
return 0; \
}
foreach_vat2_fromjson
#undef _
int vl_api_bool_fromjson(cJSON *o, bool *d)
{
if (!cJSON_IsBool(o)) return -1;
*d = o->valueint ? true : false;
return 0;
}
int vl_api_u8_string_fromjson(cJSON *o, u8 *s, int len)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
unformat_init_string (&input, p, strlen(p));
unformat(&input, "0x%U", unformat_hex_string, s);
return 0;
}
u8 *
u8string_fromjson(cJSON *o, char *fieldname)
{
u8 *s = 0;
unformat_input_t input;
cJSON *item = cJSON_GetObjectItem(o, fieldname);
if (!item) {
printf("Illegal JSON, no such fieldname %s\n", fieldname);
return 0;
}
char *p = cJSON_GetStringValue(item);
unformat_init_string (&input, p, strlen(p));
unformat(&input, "0x%U", unformat_hex_string, &s);
return s;
}
int
u8string_fromjson2(cJSON *o, char *fieldname, u8 *data)
{
u8 *s = u8string_fromjson(o, fieldname);
if (!s) return 0;
memcpy(data, s, vec_len(s));
vec_free(s);
return 0;
}
/* Parse an IP4 address %d.%d.%d.%d. */
uword
unformat_ip4_address (unformat_input_t * input, va_list * args)
{
u8 *result = va_arg (*args, u8 *);
unsigned a[4];
if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]))
return 0;
if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256)
return 0;
result[0] = a[0];
result[1] = a[1];
result[2] = a[2];
result[3] = a[3];
return 1;
}
/* Parse an IP6 address. */
uword
unformat_ip6_address (unformat_input_t * input, va_list * args)
{
ip6_address_t *result = va_arg (*args, ip6_address_t *);
u16 hex_quads[8];
uword hex_quad, n_hex_quads, hex_digit, n_hex_digits;
uword c, n_colon, double_colon_index;
n_hex_quads = hex_quad = n_hex_digits = n_colon = 0;
double_colon_index = ARRAY_LEN (hex_quads);
while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT)
{
hex_digit = 16;
if (c >= '0' && c <= '9')
hex_digit = c - '0';
else if (c >= 'a' && c <= 'f')
hex_digit = c + 10 - 'a';
else if (c >= 'A' && c <= 'F')
hex_digit = c + 10 - 'A';
else if (c == ':' && n_colon < 2)
n_colon++;
else
{
unformat_put_input (input);
break;
}
/* Too many hex quads. */
if (n_hex_quads >= ARRAY_LEN (hex_quads))
return 0;
if (hex_digit < 16)
{
hex_quad = (hex_quad << 4) | hex_digit;
/* Hex quad must fit in 16 bits. */
if (n_hex_digits >= 4)
return 0;
n_colon = 0;
n_hex_digits++;
}
/* Save position of :: */
if (n_colon == 2)
{
/* More than one :: ? */
if (double_colon_index < ARRAY_LEN (hex_quads))
return 0;
double_colon_index = n_hex_quads;
}
if (n_colon > 0 && n_hex_digits > 0)
{
hex_quads[n_hex_quads++] = hex_quad;
hex_quad = 0;
n_hex_digits = 0;
}
}
if (n_hex_digits > 0)
hex_quads[n_hex_quads++] = hex_quad;
{
word i;
/* Expand :: to appropriate number of zero hex quads. */
if (double_colon_index < ARRAY_LEN (hex_quads))
{
word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads;
for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--)
hex_quads[n_zero + i] = hex_quads[i];
for (i = 0; i < n_zero; i++)
{
ASSERT ((double_colon_index + i) < ARRAY_LEN (hex_quads));
hex_quads[double_colon_index + i] = 0;
}
n_hex_quads = ARRAY_LEN (hex_quads);
}
/* Too few hex quads given. */
if (n_hex_quads < ARRAY_LEN (hex_quads))
return 0;
for (i = 0; i < ARRAY_LEN (hex_quads); i++)
result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]);
return 1;
}
}
u8 *
format_ip6_address (u8 * s, va_list * args)
{
ip6_address_t *a = va_arg (*args, ip6_address_t *);
u32 max_zero_run = 0, this_zero_run = 0;
int max_zero_run_index = -1, this_zero_run_index = 0;
int in_zero_run = 0, i;
int last_double_colon = 0;
/* Ugh, this is a pain. Scan forward looking for runs of 0's */
for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
{
if (a->as_u16[i] == 0)
{
if (in_zero_run)
this_zero_run++;
else
{
in_zero_run = 1;
this_zero_run = 1;
this_zero_run_index = i;
}
}
else
{
if (in_zero_run)
{
/* offer to compress the biggest run of > 1 zero */
if (this_zero_run > max_zero_run && this_zero_run > 1)
{
max_zero_run_index = this_zero_run_index;
max_zero_run = this_zero_run;
}
}
in_zero_run = 0;
this_zero_run = 0;
}
}
if (in_zero_run)
{
if (this_zero_run > max_zero_run && this_zero_run > 1)
{
max_zero_run_index = this_zero_run_index;
max_zero_run = this_zero_run;
}
}
for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
{
if (i == max_zero_run_index)
{
s = format (s, "::");
i += max_zero_run - 1;
last_double_colon = 1;
}
else
{
s = format (s, "%s%x",
(last_double_colon || i == 0) ? "" : ":",
clib_net_to_host_u16 (a->as_u16[i]));
last_double_colon = 0;
}
}
return s;
}
void *vl_api_ip4_address_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip4_address_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
unformat(&input, "%U", unformat_ip4_address, a);
return mp;
}
void *vl_api_ip4_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip4_prefix_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
unformat(&input, "%U/%d", unformat_ip4_address, &a->address, &a->len);
return mp;
}
void *vl_api_ip4_address_with_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip4_prefix_t *a)
{
return vl_api_ip4_prefix_t_fromjson(mp, len, o, a);
}
void *vl_api_ip6_address_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip6_address_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
unformat(&input, "%U", unformat_ip6_address, a);
return mp;
}
void *vl_api_ip6_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip6_prefix_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
unformat(&input, "%U/%d", unformat_ip6_address, &a->address, &a->len);
return mp;
}
void *vl_api_ip6_address_with_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_ip6_prefix_t *a)
{
return vl_api_ip6_prefix_t_fromjson(mp, len, o, a);
}
void *vl_api_address_t_fromjson(void *mp, int *len, cJSON *o, vl_api_address_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
if (unformat (&input, "%U", unformat_ip4_address, &a->un.ip4))
a->af = ADDRESS_IP4;
else if (unformat (&input, "%U", unformat_ip6_address, &a->un.ip6))
a->af = ADDRESS_IP6;
else
return (0);
return mp;
}
void *vl_api_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_prefix_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
if (!p) return 0;
unformat_init_string (&input, p, strlen(p));
int plen;
if (unformat (&input, "%U/%d", unformat_ip4_address, &a->address.un.ip4, &plen))
a->address.af = ADDRESS_IP4;
else if (unformat (&input, "%U/%d", unformat_ip6_address, &a->address.un.ip6, &plen))
a->address.af = ADDRESS_IP6;
else
return (0);
a->len = plen;
return mp;
}
void *vl_api_address_with_prefix_t_fromjson(void *mp, int *len, cJSON *o, vl_api_prefix_t *a)
{
return vl_api_prefix_t_fromjson(mp, len, o, a);
}
uword
unformat_mac_address (unformat_input_t * input, va_list * args)
{
mac_address_t *mac = va_arg (*args, mac_address_t *);
u32 i, a[3];
if (unformat (input, "%_%X:%X:%X:%X:%X:%X%_",
1, &mac->bytes[0], 1, &mac->bytes[1], 1, &mac->bytes[2],
1, &mac->bytes[3], 1, &mac->bytes[4], 1, &mac->bytes[5]))
return (1);
else if (unformat (input, "%_%x.%x.%x%_", &a[0], &a[1], &a[2]))
{
for (i = 0; i < ARRAY_LEN (a); i++)
if (a[i] >= (1 << 16))
return 0;
mac->bytes[0] = (a[0] >> 8) & 0xff;
mac->bytes[1] = (a[0] >> 0) & 0xff;
mac->bytes[2] = (a[1] >> 8) & 0xff;
mac->bytes[3] = (a[1] >> 0) & 0xff;
mac->bytes[4] = (a[2] >> 8) & 0xff;
mac->bytes[5] = (a[2] >> 0) & 0xff;
return (1);
}
return (0);
}
void *vl_api_mac_address_t_fromjson(void *mp, int *len, cJSON *o, vl_api_mac_address_t *a)
{
unformat_input_t input;
char *p = cJSON_GetStringValue(o);
unformat_init_string (&input, p, strlen(p));
unformat(&input, "%U", unformat_mac_address, a);
return mp;
}
/* Format an IP4 address. */
u8 *
format_ip4_address (u8 * s, va_list * args)
{
u8 *a = va_arg (*args, u8 *);
return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
}
int
vl_api_c_string_to_api_string (const char *buf, vl_api_string_t * str)
{
/* copy without nul terminator */
u32 len = strlen (buf);
if (len > 0)
clib_memcpy_fast (str->buf, buf, len);
str->length = htonl (len);
return len + sizeof (u32);
}
u8 *
format_vl_api_interface_index_t (u8 *s, va_list *args)
{
u32 *a = va_arg (*args, u32 *);
return format (s, "%u", *a);
}
uword
unformat_vl_api_interface_index_t (unformat_input_t * input, va_list * args)
{
u32 *a = va_arg (*args, u32 *);
if (!unformat (input, "%u", a))
return 0;
return 1;
}
void
vl_api_string_cJSON_AddToObject(cJSON * const object, const char * const name, vl_api_string_t *astr)
{
if (astr == 0) return;
u32 length = clib_net_to_host_u32 (astr->length);
char *cstr = malloc(length + 1);
memcpy(cstr, astr->buf, length);
cstr[length] = '\0';
cJSON_AddStringToObject(object, name, cstr);
free(cstr);
}
u8 *
format_vl_api_timestamp_t(u8 * s, va_list * args)
{
f64 timestamp = va_arg (*args, f64);
struct tm *tm;
word msec;
time_t t = timestamp;
tm = gmtime (&t);
msec = 1e6 * (timestamp - t);
return format (s, "%4d-%02d-%02dT%02d:%02d:%02d.%06dZ", 1900 + tm->tm_year,
1 + tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min,
tm->tm_sec, msec);
}
u8 *
format_vl_api_timedelta_t(u8 * s, va_list * args)
{
return format_vl_api_timestamp_t(s, args);
}
uword
unformat_vl_api_timedelta_t(unformat_input_t * input, va_list * args)
{
return 0;
}
uword
unformat_vl_api_timestamp_t(unformat_input_t * input, va_list * args)
{
return 0;
}
u8 *format_vl_api_gbp_scope_t(u8 * s, va_list * args)
{
return 0;
}
uword unformat_vl_api_gbp_scope_t(unformat_input_t * input, va_list * args)
{
return 0;
}
cJSON *
vl_api_ip4_address_with_prefix_t_tojson (vl_api_ip4_prefix_t *a) {
u8 *s = format(0, "%U", format_vl_api_ip4_address_t, a);
cJSON *o = cJSON_CreateString((char *)s);
vec_free(s);
return o;
}
cJSON *
vl_api_ip6_address_with_prefix_t_tojson (vl_api_ip6_prefix_t *a) {
u8 *s = format(0, "%U", format_vl_api_ip6_address_t, a);
cJSON *o = cJSON_CreateString((char *)s);
vec_free(s);
return o;
}
cJSON *
vl_api_address_with_prefix_t_tojson (vl_api_prefix_t *a) {
u8 *s = format(0, "%U", format_vl_api_address_t, a);
cJSON *o = cJSON_CreateString((char *)s);
vec_free(s);
return o;
}
u8 *
format_vl_api_mac_address_t (u8 * s, va_list * args)
{
const mac_address_t *mac = va_arg (*args, mac_address_t *);
return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
mac->bytes[0], mac->bytes[1], mac->bytes[2],
mac->bytes[3], mac->bytes[4], mac->bytes[5]);
}
#define _(T) \
cJSON *vl_api_ ##T## _t_tojson (vl_api_ ##T## _t *a) { \
u8 *s = format(0, "%U", format_vl_api_ ##T## _t, a); \
cJSON *o = cJSON_CreateString((char *)s); \
vec_free(s); \
return o; \
}
foreach_vat2_tojson
#undef _
