vat2: add shared memory argument

Add prefix argument to specifiy shared memory segment.
Add long arguments.
Add argument to dump apis.
Add help.
Add template argument

E.g:
vat2 --template sw_interface_add_del_address
{
	"_msgname":	"sw_interface_add_del_address",
	"sw_if_index":	0,
	"is_add":	false,
	"del_all":	false,
	"prefix":	"0.0.0.0"
}

Usage: vat2 [OPTION] <message-name> <JSON object>
Send API message to VPP and print reply

-d, --debug       Print additional information
-p, --prefix      Specify shared memory prefix to connect to a given VPP instance
-f, --file        File containing a JSON object with the arguments for the message to send
--dump-apis       List all APIs available from connected VPP instance

Type: improvement
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: I2d32483a727bc16990c9a30dfa9bc1fa7b1fa85a
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 3 insertions, 12 deletions

diff --git a/src/vat2/jsonconvert.c b/src/vat2/jsonconvert.c
index 645f7d4ca20..1437b90688a 100644
--- a/src/vat2/jsonconvert.c
+++ b/src/vat2/jsonconvert.c
@@ -501,24 +501,15 @@ uword unformat_vl_api_gbp_scope_t(unformat_input_t * input, va_list * args)
 
 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;
+  return vl_api_ip4_prefix_t_tojson (a);
 }
 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;
+  return vl_api_ip6_prefix_t_tojson (a);
 }
 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;
+  return vl_api_prefix_t_tojson (a);
 }
 u8 *
 format_vl_api_mac_address_t (u8 * s, va_list * args)