diff options
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-trace/trace_test.c')
| -rw-r--r-- | plugins/ioam-plugin/ioam/lib-trace/trace_test.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-trace/trace_test.c b/plugins/ioam-plugin/ioam/lib-trace/trace_test.c new file mode 100644 index 00000000000..dc3851bec16 --- /dev/null +++ b/plugins/ioam-plugin/ioam/lib-trace/trace_test.c @@ -0,0 +1,251 @@ +/* + * 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; + u32 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 = ntohl (trace_tsp); + mp->node_id = ntohl (node_id); + mp->app_data = ntohl (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, "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: + */ |