| /* |
| * |
| * 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; |
| } |