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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2019-2022 The Fluent Bit Authors
* Copyright (C) 2015-2018 Treasure Data Inc.
*
* 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 <fluent-bit.h>
#include <fluent-bit/flb_compat.h>
#include <fluent-bit/flb_time.h>
#include <float.h>
#include "flb_tests_runtime.h"
struct test_ctx {
flb_ctx_t *flb; /* Fluent Bit library context */
int i_ffd; /* Input fd */
int f_ffd; /* Filter fd (unused) */
int o_ffd; /* Output fd */
};
pthread_mutex_t result_mutex = PTHREAD_MUTEX_INITIALIZER;
int num_output = 0;
static int get_output_num()
{
int ret;
pthread_mutex_lock(&result_mutex);
ret = num_output;
pthread_mutex_unlock(&result_mutex);
return ret;
}
static void set_output_num(int num)
{
pthread_mutex_lock(&result_mutex);
num_output = num;
pthread_mutex_unlock(&result_mutex);
}
static void clear_output_num()
{
set_output_num(0);
}
struct str_list {
size_t size;
char **lists;
};
void wait_with_timeout(uint32_t timeout_ms, int *output_num)
{
struct flb_time start_time;
struct flb_time end_time;
struct flb_time diff_time;
uint64_t elapsed_time_flb = 0;
flb_time_get(&start_time);
while (true) {
*output_num = get_output_num();
if (*output_num > 0) {
break;
}
flb_time_msleep(100);
flb_time_get(&end_time);
flb_time_diff(&end_time, &start_time, &diff_time);
elapsed_time_flb = flb_time_to_nanosec(&diff_time) / 1000000;
if (elapsed_time_flb > timeout_ms) {
flb_warn("[timeout] elapsed_time: %ld", elapsed_time_flb);
// Reached timeout.
break;
}
}
}
/* Callback to check expected results */
static int cb_check_json_str_list(void *record, size_t size, void *data)
{
char *p;
char *result;
int num = get_output_num();
size_t i;
struct str_list *l = (struct str_list*)data;
if (!TEST_CHECK(l != NULL)) {
TEST_MSG("Data is NULL");
flb_free(record);
return 0;
}
set_output_num(num+1);
result = (char *) record;
for (i=0; i<l->size; i++) {
p = strstr(result, l->lists[i]);
if(!TEST_CHECK(p != NULL)) {
TEST_MSG("Expected to find: '%s' in result '%s'",
l->lists[i], result);
}
}
/*
* If you want to debug your test
*
* printf("Expect: '%s' in result '%s'", expected, result);
*/
flb_free(record);
return 0;
}
static struct test_ctx *test_ctx_create(struct flb_lib_out_cb *data)
{
int o_ffd;
struct test_ctx *ctx = NULL;
ctx = flb_malloc(sizeof(struct test_ctx));
if (!TEST_CHECK(ctx != NULL)) {
TEST_MSG("malloc failed");
flb_errno();
return NULL;
}
/* Service config */
ctx->flb = flb_create();
flb_service_set(ctx->flb,
"Flush", "0.200000000",
"Grace", "1",
"Log_Level", "error",
NULL);
ctx->i_ffd = flb_input(ctx->flb, (char *) "fluentbit_metrics", NULL);
TEST_CHECK(ctx->i_ffd >= 0);
/* Output */
o_ffd = flb_output(ctx->flb, (char *) "lib", (void *) data);
ctx->o_ffd = o_ffd;
TEST_CHECK(ctx->o_ffd >= 0);
return ctx;
}
static void test_ctx_destroy(struct test_ctx *ctx)
{
TEST_CHECK(ctx != NULL);
sleep(1);
flb_stop(ctx->flb);
flb_destroy(ctx->flb);
flb_free(ctx);
}
#ifdef FLB_HAVE_METRICS
char *basic_expected_strs[] = {"\"uptime\"", "\"records_total\"", "\"bytes_total\"", "\"proc_records_total\"", "\"proc_bytes_total\"", "\"errors_total\"", "\"retries_total\"", "\"retries_failed_total\"", "\"dropped_records_total\"", "\"retried_records_total\""};
static void test_basic(void)
{
struct flb_lib_out_cb cb_data;
struct test_ctx *ctx;
int ret;
int num;
struct str_list expected = {
.size = sizeof(basic_expected_strs)/sizeof(char*),
.lists = &basic_expected_strs[0],
};
clear_output_num();
cb_data.cb = cb_check_json_str_list;
cb_data.data = &expected;
ctx = test_ctx_create(&cb_data);
if (!TEST_CHECK(ctx != NULL)) {
TEST_MSG("test_ctx_create failed");
exit(EXIT_FAILURE);
}
/* Input */
ret = flb_input_set(ctx->flb, ctx->i_ffd,
"scrape_interval", "1",
NULL);
TEST_CHECK(ret == 0);
ret = flb_output_set(ctx->flb, ctx->o_ffd,
"format", "json",
NULL);
TEST_CHECK(ret == 0);
/* Start the engine */
ret = flb_start(ctx->flb);
TEST_CHECK(ret == 0);
/* waiting to flush */
wait_with_timeout(3000, &num);
if (!TEST_CHECK(num > 0)) {
TEST_MSG("no outputs");
}
test_ctx_destroy(ctx);
}
#endif
TEST_LIST = {
#ifdef FLB_HAVE_METRICS
{"basic", test_basic},
#endif
{NULL, NULL}
};
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