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/*
* cdp.c - vpp-api-test cdp protocol plug-in
*
* Copyright (c) 2011-2018 by 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 <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vppinfra/error.h>
uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
/* Declare message IDs */
#include <cdp/cdp_msg_enum.h>
/* define message structures */
#define vl_typedefs
#include <cdp/cdp_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
#define vl_endianfun /* define message structures */
#include <cdp/cdp_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
#include <cdp/cdp_all_api_h.h>
#undef vl_printfun
/* Get the API version number. */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <cdp/cdp_all_api_h.h>
#undef vl_api_version
typedef struct
{
/* API message ID base */
u16 msg_id_base;
vat_main_t *vat_main;
} cdp_test_main_t;
cdp_test_main_t cdp_test_main;
#define __plugin_msg_base cdp_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
#define foreach_standard_reply_retval_handler \
_(cdp_enable_disable_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
(vl_api_##n##_t * mp) \
{ \
vat_main_t * vam = cdp_test_main.vat_main; \
i32 retval = ntohl(mp->retval); \
if (vam->async_mode) { \
vam->async_errors += (retval < 0); \
} else { \
vam->retval = retval; \
vam->result_ready = 1; \
} \
}
foreach_standard_reply_retval_handler;
#undef _
/*
* Table of message reply handlers, must include boilerplate handlers
* we just generated
*/
#define foreach_vpe_api_reply_msg \
_(CDP_ENABLE_DISABLE_REPLY, cdp_enable_disable_reply)
static int
api_cdp_enable_disable (vat_main_t * vam)
{
unformat_input_t *i = vam->input;
int enable_disable = 1;
vl_api_cdp_enable_disable_t *mp;
int ret;
/* Parse args required to build the message */
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
{
if (unformat (i, "disable"))
enable_disable = 0;
else if (unformat (i, "enable"))
enable_disable = 1;
else
break;
}
/* Construct the API message */
M (CDP_ENABLE_DISABLE, mp);
mp->enable_disable = enable_disable;
/* send it... */
S (mp);
/* Wait for a reply... */
W (ret);
return ret;
}
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
*/
#define foreach_vpe_api_msg \
_(cdp_enable_disable, "enable | disable")
static void
cdp_api_hookup (vat_main_t * vam)
{
cdp_test_main_t *sm = &cdp_test_main;
/* Hook up handlers for replies from the data plane plug-in */
#define _(N,n) \
vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
#n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_reply_msg;
#undef _
/* API messages we can send */
#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
foreach_vpe_api_msg;
#undef _
/* Help strings */
#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
foreach_vpe_api_msg;
#undef _
}
clib_error_t *
vat_plugin_register (vat_main_t * vam)
{
cdp_test_main_t *sm = &cdp_test_main;
u8 *name;
sm->vat_main = vam;
/* Ask the vpp engine for the first assigned message-id */
name = format (0, "cdp_%08x%c", api_version, 0);
sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
if (sm->msg_id_base != (u16) ~ 0)
cdp_api_hookup (vam);
vec_free (name);
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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