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Diffstat (limited to 'src/examples/sample-plugin/sample/sample_test.c')
| -rw-r--r-- | src/examples/sample-plugin/sample/sample_test.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/examples/sample-plugin/sample/sample_test.c b/src/examples/sample-plugin/sample/sample_test.c new file mode 100644 index 00000000000..dd1b0215751 --- /dev/null +++ b/src/examples/sample-plugin/sample/sample_test.c @@ -0,0 +1,213 @@ +/* + * Copyright (c) 2015 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. + */ +/* + *------------------------------------------------------------------ + * sample_test.c - test harness plugin + *------------------------------------------------------------------ + */ + +#include <vat/vat.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> +#include <vppinfra/error.h> + +uword unformat_sw_if_index (unformat_input_t * input, va_list * args); + +/* Declare message IDs */ +#include <sample/sample_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <sample/sample_all_api_h.h> +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include <sample/sample_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include <sample/sample_all_api_h.h> +#undef vl_printfun + +/* Get the API version number. */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <sample/sample_all_api_h.h> +#undef vl_api_version + + +typedef struct { + /* API message ID base */ + u16 msg_id_base; + vat_main_t *vat_main; +} sample_test_main_t; + +sample_test_main_t sample_test_main; + +#define foreach_standard_reply_retval_handler \ +_(sample_macswap_enable_disable_reply) + +#define _(n) \ + static void vl_api_##n##_t_handler \ + (vl_api_##n##_t * mp) \ + { \ + vat_main_t * vam = sample_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 \ +_(SAMPLE_MACSWAP_ENABLE_DISABLE_REPLY, sample_macswap_enable_disable_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_sample_macswap_enable_disable (vat_main_t * vam) +{ + sample_test_main_t * sm = &sample_test_main; + unformat_input_t * i = vam->input; + f64 timeout; + int enable_disable = 1; + u32 sw_if_index = ~0; + vl_api_sample_macswap_enable_disable_t * mp; + + /* Parse args required to build the message */ + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { + if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) + ; + else if (unformat (i, "sw_if_index %d", &sw_if_index)) + ; + else if (unformat (i, "disable")) + enable_disable = 0; + else + break; + } + + if (sw_if_index == ~0) { + errmsg ("missing interface name / explicit sw_if_index number \n"); + return -99; + } + + /* Construct the API message */ + M(SAMPLE_MACSWAP_ENABLE_DISABLE, sample_macswap_enable_disable); + mp->sw_if_index = ntohl (sw_if_index); + mp->enable_disable = enable_disable; + + /* send it... */ + S; + + /* Wait for a reply... */ + W; +} + +/* + * List of messages that the api test plugin sends, + * and that the data plane plugin processes + */ +#define foreach_vpe_api_msg \ +_(sample_macswap_enable_disable, "<intfc> [disable]") + +void vat_api_hookup (vat_main_t *vam) +{ + sample_test_main_t * sm = &sample_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) +{ + sample_test_main_t * sm = &sample_test_main; + u8 * name; + + sm->vat_main = vam; + + name = format (0, "sample_%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; +} |