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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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111 lines
3.9 KiB
111 lines
3.9 KiB
// Copyright 2023 gRPC authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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#include <string> |
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#include <vector> |
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#include <gmock/gmock.h> |
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#include <gtest/gtest.h> |
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#include "absl/strings/str_cat.h" |
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#include "absl/strings/str_format.h" |
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#include <grpc/event_engine/endpoint_config.h> |
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#include "src/core/ext/filters/client_channel/backup_poller.h" |
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#include "src/proto/grpc/testing/xds/v3/client_side_weighted_round_robin.grpc.pb.h" |
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#include "src/proto/grpc/testing/xds/v3/wrr_locality.grpc.pb.h" |
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#include "test/core/util/scoped_env_var.h" |
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#include "test/cpp/end2end/xds/xds_end2end_test_lib.h" |
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namespace grpc { |
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namespace testing { |
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namespace { |
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using ::envoy::extensions::load_balancing_policies:: |
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client_side_weighted_round_robin::v3::ClientSideWeightedRoundRobin; |
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using ::envoy::extensions::load_balancing_policies::wrr_locality::v3:: |
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WrrLocality; |
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using ::grpc_core::testing::ScopedExperimentalEnvVar; |
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using WrrTest = XdsEnd2endTest; |
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INSTANTIATE_TEST_SUITE_P(XdsTest, WrrTest, ::testing::Values(XdsTestType()), |
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&XdsTestType::Name); |
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TEST_P(WrrTest, Basic) { |
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ScopedExperimentalEnvVar env_var1("GRPC_EXPERIMENTAL_XDS_CUSTOM_LB_CONFIG"); |
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ScopedExperimentalEnvVar env_var2("GRPC_EXPERIMENTAL_XDS_WRR_LB"); |
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CreateAndStartBackends(3); |
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xds::data::orca::v3::OrcaLoadReport load_report; |
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load_report.set_rps_fractional(100); |
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load_report.set_cpu_utilization(0.9); |
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backends_[0]->backend_service()->set_load_report(load_report); |
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load_report.set_cpu_utilization(0.3); |
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backends_[1]->backend_service()->set_load_report(load_report); |
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backends_[2]->backend_service()->set_load_report(load_report); |
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auto cluster = default_cluster_; |
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WrrLocality wrr_locality; |
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wrr_locality.mutable_endpoint_picking_policy() |
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->add_policies() |
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->mutable_typed_extension_config() |
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->mutable_typed_config() |
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->PackFrom(ClientSideWeightedRoundRobin()); |
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cluster.mutable_load_balancing_policy() |
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->add_policies() |
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->mutable_typed_extension_config() |
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->mutable_typed_config() |
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->PackFrom(wrr_locality); |
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balancer_->ads_service()->SetCdsResource(cluster); |
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EdsResourceArgs args({{"locality0", CreateEndpointsForBackends()}}); |
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balancer_->ads_service()->SetEdsResource(BuildEdsResource(args)); |
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size_t num_picks = 0; |
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SendRpcsUntil(DEBUG_LOCATION, [&](const RpcResult&) { |
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if (++num_picks == 7) { |
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gpr_log(GPR_INFO, "request counts: %" PRIuPTR " %" PRIuPTR " %" PRIuPTR, |
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backends_[0]->backend_service()->request_count(), |
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backends_[1]->backend_service()->request_count(), |
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backends_[2]->backend_service()->request_count()); |
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if (backends_[0]->backend_service()->request_count() == 1 && |
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backends_[1]->backend_service()->request_count() == 3 && |
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backends_[2]->backend_service()->request_count() == 3) { |
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return false; |
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} |
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num_picks = 0; |
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ResetBackendCounters(); |
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} |
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return true; |
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}); |
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} |
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} // namespace |
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} // namespace testing |
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} // namespace grpc |
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int main(int argc, char** argv) { |
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grpc::testing::TestEnvironment env(&argc, argv); |
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::testing::InitGoogleTest(&argc, argv); |
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// Make the backup poller poll very frequently in order to pick up |
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// updates from all the subchannels's FDs. |
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GPR_GLOBAL_CONFIG_SET(grpc_client_channel_backup_poll_interval_ms, 1); |
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#if TARGET_OS_IPHONE |
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// Workaround Apple CFStream bug |
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grpc_core::SetEnv("grpc_cfstream", "0"); |
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#endif |
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grpc_init(); |
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const auto result = RUN_ALL_TESTS(); |
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grpc_shutdown(); |
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return result; |
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}
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