| /* |
| * |
| * Copyright 2016 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 "src/core/ext/census/resource.h" |
| #include <grpc/census.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/port_platform.h> |
| #include <grpc/support/useful.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "src/core/ext/census/base_resources.h" |
| #include "test/core/util/test_config.h" |
| |
| // Test all the functionality for dealing with Resources. |
| |
| // Just startup and shutdown resources subsystem. |
| static void test_enable_disable() { |
| initialize_resources(); |
| shutdown_resources(); |
| } |
| |
| // A blank/empty initialization should not work. |
| static void test_empty_definition() { |
| initialize_resources(); |
| int32_t rid = census_define_resource(NULL, 0); |
| GPR_ASSERT(rid == -1); |
| uint8_t buffer[50] = {0}; |
| rid = census_define_resource(buffer, 50); |
| GPR_ASSERT(rid == -1); |
| shutdown_resources(); |
| } |
| |
| // Given a file name, read raw proto and define the resource included within. |
| // Returns resource id from census_define_resource(). |
| static int32_t define_resource_from_file(const char *file) { |
| #define BUF_SIZE 512 |
| uint8_t buffer[BUF_SIZE]; |
| FILE *input = fopen(file, "rb"); |
| GPR_ASSERT(input != NULL); |
| size_t nbytes = fread(buffer, 1, BUF_SIZE, input); |
| GPR_ASSERT(nbytes != 0 && nbytes < BUF_SIZE && feof(input) && !ferror(input)); |
| int32_t rid = census_define_resource(buffer, nbytes); |
| GPR_ASSERT(fclose(input) == 0); |
| return rid; |
| } |
| |
| // Test definition of a single resource, using a proto read from a file. The |
| // `succeed` parameter indicates whether we expect the definition to succeed or |
| // fail. `name` is used to check that the returned resource can be looked up by |
| // name. |
| static void test_define_single_resource(const char *file, const char *name, |
| bool succeed) { |
| gpr_log(GPR_INFO, "Test defining resource \"%s\"\n", name); |
| initialize_resources(); |
| int32_t rid = define_resource_from_file(file); |
| if (succeed) { |
| GPR_ASSERT(rid >= 0); |
| int32_t rid2 = census_resource_id(name); |
| GPR_ASSERT(rid == rid2); |
| } else { |
| GPR_ASSERT(rid < 0); |
| } |
| shutdown_resources(); |
| } |
| |
| // Try deleting various resources (both those that exist and those that don't). |
| static void test_delete_resource(const char *minimal_good, const char *full) { |
| initialize_resources(); |
| // Try deleting resource before any are defined. |
| census_delete_resource(0); |
| // Create and check a couple of resources. |
| int32_t rid1 = define_resource_from_file(minimal_good); |
| int32_t rid2 = define_resource_from_file(full); |
| GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2); |
| int32_t rid3 = census_resource_id("minimal_good"); |
| int32_t rid4 = census_resource_id("full_resource"); |
| GPR_ASSERT(rid1 == rid3 && rid2 == rid4); |
| // Try deleting non-existant resources. |
| census_delete_resource(-1); |
| census_delete_resource(rid1 + rid2 + 1); |
| census_delete_resource(10000000); |
| // Delete one of the previously defined resources and check for deletion. |
| census_delete_resource(rid1); |
| rid3 = census_resource_id("minimal_good"); |
| GPR_ASSERT(rid3 < 0); |
| // Check that re-adding works. |
| rid1 = define_resource_from_file(minimal_good); |
| GPR_ASSERT(rid1 >= 0); |
| rid3 = census_resource_id("minimal_good"); |
| GPR_ASSERT(rid1 == rid3); |
| shutdown_resources(); |
| } |
| |
| // Test define base resources. |
| static void test_base_resources() { |
| initialize_resources(); |
| define_base_resources(); |
| int32_t rid1 = census_resource_id("client_rpc_latency"); |
| int32_t rid2 = census_resource_id("server_rpc_latency"); |
| GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2); |
| shutdown_resources(); |
| } |
| |
| int main(int argc, char **argv) { |
| const char *resource_empty_name_pb, *resource_full_pb, |
| *resource_minimal_good_pb, *resource_no_name_pb, |
| *resource_no_numerator_pb, *resource_no_unit_pb; |
| if (argc == 7) { |
| resource_empty_name_pb = argv[1]; |
| resource_full_pb = argv[2]; |
| resource_minimal_good_pb = argv[3]; |
| resource_no_name_pb = argv[4]; |
| resource_no_numerator_pb = argv[5]; |
| resource_no_unit_pb = argv[6]; |
| } else { |
| GPR_ASSERT(argc == 1); |
| resource_empty_name_pb = "test/core/census/data/resource_empty_name.pb"; |
| resource_full_pb = "test/core/census/data/resource_full.pb"; |
| resource_minimal_good_pb = "test/core/census/data/resource_minimal_good.pb"; |
| resource_no_name_pb = "test/core/census/data/resource_no_name.pb"; |
| resource_no_numerator_pb = "test/core/census/data/resource_no_numerator.pb"; |
| resource_no_unit_pb = "test/core/census/data/resource_no_unit.pb"; |
| } |
| grpc_test_init(argc, argv); |
| test_enable_disable(); |
| test_empty_definition(); |
| test_define_single_resource(resource_minimal_good_pb, "minimal_good", true); |
| test_define_single_resource(resource_full_pb, "full_resource", true); |
| test_define_single_resource(resource_no_name_pb, "resource_no_name", false); |
| test_define_single_resource(resource_no_numerator_pb, "resource_no_numerator", |
| false); |
| test_define_single_resource(resource_no_unit_pb, "resource_no_unit", false); |
| test_define_single_resource(resource_empty_name_pb, "resource_empty_name", |
| false); |
| test_delete_resource(resource_minimal_good_pb, resource_full_pb); |
| test_base_resources(); |
| return 0; |
| } |