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/*
*
* Copyright 2015 gRPC authors.
*
* 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 <stdio.h>
#include <stdlib.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/core/ext/census/census_interface.h"
#include "src/core/ext/census/census_rpc_stats.h"
#include "test/core/util/test_config.h"
/* 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();
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
test_census_stubs();
return 0;
}
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