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authorFilip Tehlar <ftehlar@cisco.com>2021-07-23 08:51:10 +0000
committerFilip Tehlar <ftehlar@cisco.com>2021-09-28 16:06:19 +0000
commit36217e3ca8a1ca2e7a341b6b44ffc25e6497191c (patch)
treeba45e2b144e0d66a69c0502a7823c28239d0bc66 /src/vppinfra
parent3459ece6da90627b161e2128b5926f1e58e7db65 (diff)
api: API trace improvements
Type: improvement * add support for JSON format in API trace * add ability to replay JSON API trace in both VPP and VAT2 * use CRC for backward compatibility check during JSON API replay * fix API trace CLI (and remove duplicits) * remove custom dump * remove vppapitrace.py * update docs accordingly Change-Id: I5294f68bebe6cbe738630f457f3a87720e06486b Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vppinfra')
-rw-r--r--src/vppinfra/CMakeLists.txt4
-rw-r--r--src/vppinfra/cJSON.c85
-rw-r--r--src/vppinfra/cJSON.h4
-rw-r--r--src/vppinfra/jsonformat.c522
-rw-r--r--src/vppinfra/jsonformat.h116
5 files changed, 694 insertions, 37 deletions
diff --git a/src/vppinfra/CMakeLists.txt b/src/vppinfra/CMakeLists.txt
index 4be291e1e8d..1114092e246 100644
--- a/src/vppinfra/CMakeLists.txt
+++ b/src/vppinfra/CMakeLists.txt
@@ -39,7 +39,7 @@ install(
add_definitions(-fvisibility=hidden)
# Ensure symbols from cJSON are exported
-set_source_files_properties( cJSON.c PROPERTIES
+set_source_files_properties( cJSON.c jsonformat.c PROPERTIES
COMPILE_DEFINITIONS " CJSON_API_VISIBILITY " )
@@ -62,6 +62,7 @@ set(VPPINFRA_SRCS
hash.c
heap.c
interrupt.c
+ jsonformat.c
longjmp.S
macros.c
maplog.c
@@ -140,6 +141,7 @@ set(VPPINFRA_HEADERS
hash.h
heap.h
interrupt.h
+ jsonformat.h
lb_hash_hash.h
llist.h
lock.h
diff --git a/src/vppinfra/cJSON.c b/src/vppinfra/cJSON.c
index 5b26a4be4e1..448435de4dc 100644
--- a/src/vppinfra/cJSON.c
+++ b/src/vppinfra/cJSON.c
@@ -157,7 +157,7 @@ typedef struct internal_hooks
{
void *(CJSON_CDECL *allocate)(size_t size);
void (CJSON_CDECL *deallocate)(void *pointer);
- void *(CJSON_CDECL *reallocate)(void *pointer, size_t size);
+ void *(CJSON_CDECL *reallocate)(void *pointer, size_t new_size, size_t old_size);
} internal_hooks;
#if defined(_MSC_VER)
@@ -170,16 +170,20 @@ static void CJSON_CDECL internal_free(void *pointer)
{
free(pointer);
}
-static void * CJSON_CDECL internal_realloc(void *pointer, size_t size)
-{
- return realloc(pointer, size);
-}
#else
#define internal_malloc malloc
#define internal_free free
-#define internal_realloc realloc
#endif
+static void * CJSON_CDECL internal_realloc(void *pointer, size_t new_size,
+ size_t old_size)
+{
+ return realloc(pointer, new_size);
+}
+
+static void *
+cjson_realloc_internal (void *ptr, size_t new_size, size_t old_size);
+
/* strlen of character literals resolved at compile time */
#define static_strlen(string_literal) (sizeof(string_literal) - sizeof(""))
@@ -213,7 +217,7 @@ CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks)
/* Reset hooks */
global_hooks.allocate = malloc;
global_hooks.deallocate = free;
- global_hooks.reallocate = realloc;
+ global_hooks.reallocate = internal_realloc;
return;
}
@@ -233,7 +237,11 @@ CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks)
global_hooks.reallocate = NULL;
if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free))
{
- global_hooks.reallocate = realloc;
+ global_hooks.reallocate = internal_realloc;
+ }
+ else
+ {
+ global_hooks.reallocate = cjson_realloc_internal;
}
}
@@ -435,6 +443,27 @@ typedef struct
internal_hooks hooks;
} printbuffer;
+static void *
+cjson_realloc_internal (void *ptr, size_t new_size, size_t old_size)
+{
+ size_t copy_size;
+ if (old_size < new_size)
+ copy_size = old_size;
+ else
+ copy_size = new_size;
+
+ unsigned char *newbuffer = global_hooks.allocate(new_size);
+ if (!newbuffer)
+ {
+ global_hooks.deallocate(ptr);
+ return NULL;
+ }
+
+ memcpy (newbuffer, ptr, copy_size);
+ global_hooks.deallocate (ptr);
+ return newbuffer;
+}
+
/* realloc printbuffer if necessary to have at least "needed" bytes more */
static unsigned char* ensure(printbuffer * const p, size_t needed)
{
@@ -486,34 +515,13 @@ static unsigned char* ensure(printbuffer * const p, size_t needed)
newsize = needed * 2;
}
- if (p->hooks.reallocate != NULL)
+ newbuffer = p->hooks.reallocate (p->buffer, newsize, p->length);
+ if (newbuffer == NULL)
{
- /* reallocate with realloc if available */
- newbuffer = (unsigned char*)p->hooks.reallocate(p->buffer, newsize);
- if (newbuffer == NULL)
- {
- p->hooks.deallocate(p->buffer);
- p->length = 0;
- p->buffer = NULL;
-
- return NULL;
- }
- }
- else
- {
- /* otherwise reallocate manually */
- newbuffer = (unsigned char*)p->hooks.allocate(newsize);
- if (!newbuffer)
- {
- p->hooks.deallocate(p->buffer);
- p->length = 0;
- p->buffer = NULL;
-
- return NULL;
- }
-
- memcpy (newbuffer, p->buffer, p->offset + 1);
- p->hooks.deallocate (p->buffer);
+ p->hooks.deallocate(p->buffer);
+ p->length = 0;
+ p->buffer = NULL;
+ return NULL;
}
p->length = newsize;
p->buffer = newbuffer;
@@ -1208,7 +1216,7 @@ static unsigned char *print(const cJSON * const item, cJSON_bool format, const i
/* check if reallocate is available */
if (hooks->reallocate != NULL)
{
- printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->offset + 1);
+ printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->offset + 1, default_buffer_size);
if (printed == NULL) {
goto fail;
}
@@ -3112,3 +3120,8 @@ CJSON_PUBLIC(void) cJSON_free(void *object)
{
global_hooks.deallocate(object);
}
+
+CJSON_PUBLIC(void *) cJSON_realloc(void *object, size_t new_size, size_t old_size)
+{
+ return global_hooks.reallocate(object, new_size, old_size);
+}
diff --git a/src/vppinfra/cJSON.h b/src/vppinfra/cJSON.h
index e97e5f4cdc4..1474c4e5c49 100644
--- a/src/vppinfra/cJSON.h
+++ b/src/vppinfra/cJSON.h
@@ -127,6 +127,8 @@ typedef struct cJSON_Hooks
/* malloc/free are CDECL on Windows regardless of the default calling convention of the compiler, so ensure the hooks allow passing those functions directly. */
void *(CJSON_CDECL *malloc_fn)(size_t sz);
void (CJSON_CDECL *free_fn)(void *ptr);
+ void *(CJSON_CDECL *realloc_fn) (void *ptr, size_t new_size,
+ size_t old_size);
} cJSON_Hooks;
typedef int cJSON_bool;
@@ -285,6 +287,8 @@ CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring)
/* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */
CJSON_PUBLIC(void *) cJSON_malloc(size_t size);
CJSON_PUBLIC(void) cJSON_free(void *object);
+CJSON_PUBLIC (void *)
+cJSON_realloc (void *object, size_t new_size, size_t old_size);
#ifdef __cplusplus
}
diff --git a/src/vppinfra/jsonformat.c b/src/vppinfra/jsonformat.c
new file mode 100644
index 00000000000..17b3ee9d3f8
--- /dev/null
+++ b/src/vppinfra/jsonformat.c
@@ -0,0 +1,522 @@
+/*
+ * 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 "jsonformat.h"
+
+#define _(T) \
+ int vl_api_##T##_fromjson (cJSON *o, T *d) \
+ { \
+ if (!cJSON_IsNumber (o)) \
+ return -1; \
+ d[0] = (T) cJSON_GetNumberValue (o); \
+ return 0; \
+ }
+foreach_type_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));
+ if (!unformat (&input, "0x%U", unformat_hex_string, s))
+ return -1;
+ 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));
+ if (!unformat (&input, "0x%U", unformat_hex_string, &s))
+ return 0;
+ return s;
+}
+
+int
+u8string_fromjson2(cJSON *o, char *fieldname, u8 *data)
+{
+ u8 *s = u8string_fromjson(o, fieldname);
+ if (!s)
+ return -1;
+ 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;
+}
+
+int
+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 -1;
+ unformat_init_string (&input, p, strlen(p));
+ if (!unformat (&input, "%U", unformat_ip4_address, a))
+ return -1;
+ return 0;
+}
+
+int
+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 -1;
+ unformat_init_string (&input, p, strlen(p));
+ if (!unformat (&input, "%U/%d", unformat_ip4_address, &a->address,
+ &a->len))
+ return -1;
+ return 0;
+}
+
+int
+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);
+}
+int
+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 -1;
+ unformat_init_string (&input, p, strlen(p));
+ if (!unformat (&input, "%U", unformat_ip6_address, a))
+ return -1;
+ return 0;
+}
+
+int
+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 -1;
+ unformat_init_string (&input, p, strlen(p));
+ if (!unformat (&input, "%U/%d", unformat_ip6_address, &a->address, &a->len))
+ return -1;
+ return 0;
+}
+
+int
+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);
+}
+
+int
+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 -1;
+ 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 -1;
+ return 0;
+}
+
+int
+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 -1;
+ 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 -1;
+ a->len = plen;
+ return 0;
+}
+
+int
+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);
+}
+
+int
+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));
+ if (!unformat (&input, "%U", unformat_mac_address, a))
+ return -1;
+ return 0;
+}
+
+/* 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);
+}
+
+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;
+}
+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) {
+ return vl_api_ip4_prefix_t_tojson (a);
+}
+cJSON *
+vl_api_ip6_address_with_prefix_t_tojson (vl_api_ip6_prefix_t *a) {
+ return vl_api_ip6_prefix_t_tojson (a);
+}
+cJSON *
+vl_api_address_with_prefix_t_tojson (vl_api_prefix_t *a) {
+ return vl_api_prefix_t_tojson (a);
+}
+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_type_tojson
+#undef _
diff --git a/src/vppinfra/jsonformat.h b/src/vppinfra/jsonformat.h
new file mode 100644
index 00000000000..d27785f0058
--- /dev/null
+++ b/src/vppinfra/jsonformat.h
@@ -0,0 +1,116 @@
+/*
+ * 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.
+ */
+
+#ifndef included_json_convert_h
+#define included_json_convert_h
+
+#include <stdbool.h>
+#include <vppinfra/cJSON.h>
+#include <vnet/ethernet/mac_address.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip_types.api_types.h>
+#include <vnet/ethernet/ethernet_types.api_types.h>
+
+#define foreach_type_fromjson \
+ _ (i8) \
+ _ (u8) \
+ _ (i16) \
+ _ (u16) \
+ _ (i32) \
+ _ (u32) \
+ _ (u64) \
+ _ (f64)
+
+#define _(T) CJSON_PUBLIC (int) vl_api_##T##_fromjson (cJSON *o, T *d);
+foreach_type_fromjson
+#undef _
+
+/* Prototypes */
+CJSON_PUBLIC (int) vl_api_bool_fromjson (cJSON *o, bool *d);
+CJSON_PUBLIC (int)
+vl_api_ip4_address_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip4_address_t *a);
+CJSON_PUBLIC (int)
+vl_api_ip4_prefix_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip4_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_ip4_address_with_prefix_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip4_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_ip6_address_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip6_address_t *a);
+CJSON_PUBLIC (int)
+vl_api_ip6_prefix_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip6_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_ip6_address_with_prefix_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_ip6_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_address_t_fromjson (void **mp, int *len, cJSON *o, vl_api_address_t *a);
+CJSON_PUBLIC (int)
+vl_api_prefix_t_fromjson (void **mp, int *len, cJSON *o, vl_api_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_address_with_prefix_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_prefix_t *a);
+CJSON_PUBLIC (int)
+vl_api_mac_address_t_fromjson (void **mp, int *len, cJSON *o,
+ vl_api_mac_address_t *a);
+
+CJSON_PUBLIC (uword)
+unformat_ip4_address (unformat_input_t *input, va_list *args);
+CJSON_PUBLIC (uword)
+unformat_ip6_address (unformat_input_t *input, va_list *args);
+CJSON_PUBLIC (u8 *) format_ip6_address (u8 *s, va_list *args);
+CJSON_PUBLIC (uword)
+unformat_mac_address (unformat_input_t *input, va_list *args);
+CJSON_PUBLIC (u8 *) format_ip4_address (u8 *s, va_list *args);
+CJSON_PUBLIC (uword)
+unformat_vl_api_timedelta_t (unformat_input_t *input, va_list *args);
+CJSON_PUBLIC (uword)
+unformat_vl_api_timestamp_t (unformat_input_t *input, va_list *args);
+CJSON_PUBLIC (uword)
+unformat_vl_api_gbp_scope_t (unformat_input_t *input, va_list *args);
+
+CJSON_PUBLIC (int)
+vl_api_c_string_to_api_string (const char *buf, vl_api_string_t *str);
+CJSON_PUBLIC (void)
+vl_api_string_cJSON_AddToObject (cJSON *const object, const char *const name,
+ vl_api_string_t *astr);
+
+CJSON_PUBLIC (u8 *) u8string_fromjson (cJSON *o, char *fieldname);
+CJSON_PUBLIC (int) u8string_fromjson2 (cJSON *o, char *fieldname, u8 *data);
+CJSON_PUBLIC (int) vl_api_u8_string_fromjson (cJSON *o, u8 *s, int len);
+
+#define foreach_type_tojson \
+ _ (ip4_address) \
+ _ (ip4_prefix) \
+ _ (ip6_address) \
+ _ (ip6_prefix) \
+ _ (address) \
+ _ (prefix) \
+ _ (mac_address)
+
+#define _(T) CJSON_PUBLIC (cJSON *) vl_api_##T##_t_tojson (vl_api_##T##_t *);
+foreach_type_tojson
+#undef _
+
+CJSON_PUBLIC (cJSON *)
+ vl_api_ip4_address_with_prefix_t_tojson (vl_api_ip4_prefix_t *a);
+CJSON_PUBLIC (cJSON *)
+vl_api_ip6_address_with_prefix_t_tojson (vl_api_ip6_prefix_t *a);
+CJSON_PUBLIC (cJSON *)
+vl_api_address_with_prefix_t_tojson (vl_api_prefix_t *a);
+
+#endif