/* Tests census noop stubs in a simulated rpc flow */ void test_census_stubs(void) { census_op_id op_id; census_rpc_stats* stats = census_rpc_stats_create_empty(); census_aggregated_rpc_stats data_map = {0, NULL}; /* Initializes census library at server start up time. */ census_init(); /* Starts tracing at the beginning of a rpc. */ op_id = census_tracing_start_op(); /* Appends custom annotations on a trace object. */ census_tracing_print(op_id, "annotation foo"); census_tracing_print(op_id, "annotation bar"); /* Appends method tag on the trace object. */ census_add_method_tag(op_id, "service_foo/method.bar"); /* Either record client side stats or server side stats associated with the op_id. Here for testing purpose, we record both. */ census_record_rpc_client_stats(op_id, stats); census_record_rpc_server_stats(op_id, stats); /* Ends a tracing. */ census_tracing_end_op(op_id); /* In process stats queries. */ census_get_server_stats(&data_map); census_aggregated_rpc_stats_set_empty(&data_map); census_get_client_stats(&data_map); census_aggregated_rpc_stats_set_empty(&data_map); gpr_free(stats); census_shutdown(); }
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); }
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(); }
/* Get stats from input stats store */ static void get_stats(census_ht *store, census_aggregated_rpc_stats *data) { GPR_ASSERT(data != NULL); if (data->num_entries != 0) { census_aggregated_rpc_stats_set_empty(data); } gpr_mu_lock(&g_mu); if (store != NULL) { size_t n; unsigned i, j; gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME); census_ht_kv *kv = census_ht_get_all_elements(store, &n); if (kv != NULL) { data->num_entries = n; data->stats = (per_method_stats *)gpr_malloc(sizeof(per_method_stats) * n); for (i = 0; i < n; i++) { census_window_stats_sums sums[NUM_INTERVALS]; for (j = 0; j < NUM_INTERVALS; j++) { sums[j].statistic = (void *)census_rpc_stats_create_empty(); } data->stats[i].method = gpr_strdup(kv[i].k.ptr); census_window_stats_get_sums(kv[i].v, now, sums); data->stats[i].minute_stats = *(census_rpc_stats *)sums[MINUTE_INTERVAL].statistic; data->stats[i].hour_stats = *(census_rpc_stats *)sums[HOUR_INTERVAL].statistic; data->stats[i].total_stats = *(census_rpc_stats *)sums[TOTAL_INTERVAL].statistic; for (j = 0; j < NUM_INTERVALS; j++) { gpr_free(sums[j].statistic); } } gpr_free(kv); } } gpr_mu_unlock(&g_mu); }
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(); }