/*
* 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.
*/
/*
*------------------------------------------------------------------
* trace_test.c - test harness for trace plugin
*------------------------------------------------------------------
*/
#include <vat/vat.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vlibsocket/api.h>
#include <vppinfra/error.h>
/* Declare message IDs */
#include <ioam/lib-trace/trace_msg_enum.h>
/* define message structures */
#define vl_typedefs
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
#define vl_endianfun /* define message structures */
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_printfun
/* Get the API version number. */
#define vl_api_version(n,v) static u32 api_version=(v);
#include <ioam/lib-trace/trace_all_api_h.h>
#undef vl_api_version
typedef struct
{
/* API message ID base */
u16 msg_id_base;
vat_main_t *vat_main;
} trace_test_main_t;
trace_test_main_t trace_test_main;
#define foreach_standard_reply_retval_handler \
_(trace_profile_add_reply) \
_(trace_profile_del_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
(vl_api_##n##_t * mp) \
{ \
vat_main_t * vam = trace_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 \
_(TRACE_PROFILE_ADD_REPLY, trace_profile_add_reply) \
_(TRACE_PROFILE_DEL_REPLY, trace_profile_del_reply) \
/* M: construct, but don't yet send a message */
#define M(T,t) \
do { \
vam->result_ready = 0; \
mp = vl_msg_api_alloc(sizeof(*mp)); \
memset (mp, 0, sizeof (*mp)); \
mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
mp->client_index = vam->my_client_index; \
} while(0);
#define M2(T,t,n) \
do { \
vam->result_ready = 0; \
mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
memset (mp, 0, sizeof (*mp)); \
mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
mp->client_index = vam->my_client_index; \
} while(0);
/* S: send a message */
#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
/* W: wait for results, with timeout */
#define W \
do { \
timeout = vat_time_now (vam) + 1.0; \
\
while (vat_time_now (vam) < timeout) { \
if (vam->result_ready == 1) { \
return (vam->retval); \
} \
} \
return -99; \
} while(0);
static int
api_trace_profile_add (vat_main_t * vam)
{
trace_test_main_t *sm = &trace_test_main;
unformat_input_t *input = vam->input;
vl_api_trace_profile_add_t *mp;
u8 trace_type = 0;
u8 num_elts = 0;
int rv = 0;
u32 node_id = 0;
u32 app_data = 0;
u8 trace_tsp = 0;
f64 timeout;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "trace-type 0x%x", &trace_type))
;
else if (unformat (input, "trace-elts %d", &num_elts))
;
else if (unformat (input, "trace-tsp %d", &trace_tsp))
;
else if (unformat (input, "node-id 0x%x", &node_id))
;
else if (unformat (input, "app-data 0x%x", &app_data))
;
else
break;
}
M (TRACE_PROFILE_ADD, trace_profile_add);
mp->trace_type = trace_type;
mp->trace_tsp = trace_tsp;
mp->node_id = htonl (node_id);
mp->app_data = htonl (app_data);
mp->num_elts = num_elts;
S;
W;
return (rv);
}
static int
api_trace_profile_del (vat_main_t * vam)
{
trace_test_main_t *sm = &trace_test_main;
vl_api_trace_profile_del_t *mp;
f64 timeout;
M (TRACE_PROFILE_DEL, trace_profile_del);
S;
W;
return 0;
}
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
*/
#define foreach_vpe_api_msg \
_(trace_profile_add, ""\
"trace-type <0x1f|0x3|0x9|0x11|0x19> trace-elts <nn> trace-tsp <0|1|2|3> node-id <node id in hex> app-data <app_data in hex>") \
_(trace_profile_del, "[id <nn>]") \
void
vat_api_hookup (vat_main_t * vam)
{
trace_test_main_t *sm = &trace_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)
{
trace_test_main_t *sm = &trace_test_main;
u8 *name;
sm->vat_main = vam;
name = format (0, "ioam_trace_%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)
vat_api_hookup (vam);
vec_free (name);
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/