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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <string.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/port_platform.h>
#include <grpc/support/string.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include "src/core/ext/census/census_interface.h"
#include "src/core/ext/census/census_rpc_stats.h"
#include "src/core/ext/census/census_tracing.h"
#include "test/core/util/test_config.h"
/* Ensure all possible state transitions are called without causing problem */
static void test_init_shutdown(void) {
census_stats_store_init();
census_stats_store_init();
census_stats_store_shutdown();
census_stats_store_shutdown();
census_stats_store_init();
}
static void test_create_and_destroy(void) {
census_rpc_stats *stats = NULL;
census_aggregated_rpc_stats agg_stats = {0, NULL};
stats = census_rpc_stats_create_empty();
GPR_ASSERT(stats != NULL);
GPR_ASSERT(stats->cnt == 0 && stats->rpc_error_cnt == 0 &&
stats->app_error_cnt == 0 && stats->elapsed_time_ms == 0.0 &&
stats->api_request_bytes == 0 && stats->wire_request_bytes == 0 &&
stats->api_response_bytes == 0 && stats->wire_response_bytes == 0);
gpr_free(stats);
census_aggregated_rpc_stats_set_empty(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
agg_stats.num_entries = 1;
agg_stats.stats = (census_per_method_rpc_stats *)gpr_malloc(
sizeof(census_per_method_rpc_stats));
agg_stats.stats[0].method = gpr_strdup("foo");
census_aggregated_rpc_stats_set_empty(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
}
#define ASSERT_NEAR(a, b) \
GPR_ASSERT((a - b) * (a - b) < 1e-24 * (a + b) * (a + b))
static void test_record_and_get_stats(void) {
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_op_id id;
census_aggregated_rpc_stats agg_stats = {0, NULL};
/* Record client stats twice with the same op_id. */
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m1");
census_record_rpc_client_stats(id, &stats);
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
/* Server stats expect to be empty */
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
/* Client stats expect to have one entry */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
GPR_ASSERT(agg_stats.stats != NULL);
GPR_ASSERT(strcmp(agg_stats.stats[0].method, "m1") == 0);
GPR_ASSERT(agg_stats.stats[0].minute_stats.cnt == 2 &&
agg_stats.stats[0].hour_stats.cnt == 2 &&
agg_stats.stats[0].total_stats.cnt == 2);
ASSERT_NEAR(agg_stats.stats[0].minute_stats.wire_response_bytes, 16.8);
ASSERT_NEAR(agg_stats.stats[0].hour_stats.wire_response_bytes, 16.8);
ASSERT_NEAR(agg_stats.stats[0].total_stats.wire_response_bytes, 16.8);
/* Get stats again, results should be the same. */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
/* Record both server (once) and client (twice) stats with different op_ids.
*/
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m2");
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
id = census_tracing_start_op();
census_add_method_tag(id, "m3");
census_record_rpc_server_stats(id, &stats);
census_tracing_end_op(id);
id = census_tracing_start_op();
census_add_method_tag(id, "m4");
census_record_rpc_client_stats(id, &stats);
census_tracing_end_op(id);
/* Check server stats */
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 1);
GPR_ASSERT(strcmp(agg_stats.stats[0].method, "m3") == 0);
GPR_ASSERT(agg_stats.stats[0].minute_stats.app_error_cnt == 3 &&
agg_stats.stats[0].hour_stats.app_error_cnt == 3 &&
agg_stats.stats[0].total_stats.app_error_cnt == 3);
census_aggregated_rpc_stats_set_empty(&agg_stats);
/* Check client stats */
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 2);
GPR_ASSERT(agg_stats.stats != NULL);
GPR_ASSERT((strcmp(agg_stats.stats[0].method, "m2") == 0 &&
strcmp(agg_stats.stats[1].method, "m4") == 0) ||
(strcmp(agg_stats.stats[0].method, "m4") == 0 &&
strcmp(agg_stats.stats[1].method, "m2") == 0));
GPR_ASSERT(agg_stats.stats[0].minute_stats.cnt == 1 &&
agg_stats.stats[1].minute_stats.cnt == 1);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
}
static void test_record_stats_on_unknown_op_id(void) {
census_op_id unknown_id = {0xDEAD, 0xBEEF};
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_aggregated_rpc_stats agg_stats = {0, NULL};
census_init();
/* Tests that recording stats against unknown id is noop. */
census_record_rpc_client_stats(unknown_id, &stats);
census_record_rpc_server_stats(unknown_id, &stats);
census_get_server_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
GPR_ASSERT(agg_stats.stats == NULL);
census_aggregated_rpc_stats_set_empty(&agg_stats);
census_shutdown();
}
/* Test that record stats is noop when trace store is uninitialized. */
static void test_record_stats_with_trace_store_uninitialized(void) {
census_rpc_stats stats = {1, 2, 3, 4, 5.1, 6.2, 7.3, 8.4};
census_op_id id = {0, 0};
census_aggregated_rpc_stats agg_stats = {0, NULL};
census_init();
id = census_tracing_start_op();
census_add_method_tag(id, "m");
census_tracing_end_op(id);
/* shuts down trace store only. */
census_tracing_shutdown();
census_record_rpc_client_stats(id, &stats);
census_get_client_stats(&agg_stats);
GPR_ASSERT(agg_stats.num_entries == 0);
census_stats_store_shutdown();
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
test_init_shutdown();
test_create_and_destroy();
test_record_and_get_stats();
test_record_stats_on_unknown_op_id();
test_record_stats_with_trace_store_uninitialized();
return 0;
}
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