// // // 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. // is % allowed in string // #include "test/cpp/interop/stress_interop_client.h" #include #include #include #include "absl/log/check.h" #include "absl/strings/str_format.h" #include #include #include "src/core/lib/gprpp/crash.h" #include "test/cpp/interop/interop_client.h" #include "test/cpp/util/metrics_server.h" namespace grpc { namespace testing { using std::pair; using std::vector; WeightedRandomTestSelector::WeightedRandomTestSelector( const vector>& tests) : tests_(tests) { total_weight_ = 0; for (auto it = tests.begin(); it != tests.end(); it++) { total_weight_ += it->second; } } // Returns a weighted-randomly selected test case based on the test weights // passed in the constructror TestCaseType WeightedRandomTestSelector::GetNextTest() const { int random = 0; TestCaseType selected_test = UNKNOWN_TEST; // Get a random number from [0 to the total_weight - 1] random = rand() % total_weight_; int weight_sofar = 0; for (auto it = tests_.begin(); it != tests_.end(); it++) { weight_sofar += it->second; if (random < weight_sofar) { selected_test = it->first; break; } } // It is a bug in the logic if no test is selected at this point CHECK(selected_test != UNKNOWN_TEST); return selected_test; } StressTestInteropClient::StressTestInteropClient( int test_id, const std::string& server_address, ChannelCreationFunc channel_creation_func, const WeightedRandomTestSelector& test_selector, long test_duration_secs, long sleep_duration_ms, bool do_not_abort_on_transient_failures) : test_id_(test_id), server_address_(server_address), channel_creation_func_(std::move(channel_creation_func)), interop_client_(new InteropClient(channel_creation_func_, false, do_not_abort_on_transient_failures)), test_selector_(test_selector), test_duration_secs_(test_duration_secs), sleep_duration_ms_(sleep_duration_ms) {} void StressTestInteropClient::MainLoop( const std::shared_ptr& qps_gauge) { gpr_log(GPR_INFO, "Running test %d. ServerAddr: %s", test_id_, server_address_.c_str()); gpr_timespec test_end_time; if (test_duration_secs_ < 0) { test_end_time = gpr_inf_future(GPR_CLOCK_REALTIME); } else { test_end_time = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(test_duration_secs_, GPR_TIMESPAN)); } qps_gauge->Reset(); while (gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), test_end_time) < 0) { // Select the test case to execute based on the weights and execute it TestCaseType test_case = test_selector_.GetNextTest(); gpr_log(GPR_DEBUG, "%d - Executing the test case %d", test_id_, test_case); RunTest(test_case); qps_gauge->Incr(); // Sleep between successive calls if needed if (sleep_duration_ms_ > 0) { gpr_timespec sleep_time = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_millis(sleep_duration_ms_, GPR_TIMESPAN)); gpr_sleep_until(sleep_time); } } } bool StressTestInteropClient::RunTest(TestCaseType test_case) { bool is_success = false; switch (test_case) { case EMPTY_UNARY: { is_success = interop_client_->DoEmpty(); break; } case LARGE_UNARY: { is_success = interop_client_->DoLargeUnary(); break; } case CLIENT_COMPRESSED_UNARY: { is_success = interop_client_->DoClientCompressedUnary(); break; } case CLIENT_COMPRESSED_STREAMING: { is_success = interop_client_->DoClientCompressedStreaming(); break; } case CLIENT_STREAMING: { is_success = interop_client_->DoRequestStreaming(); break; } case SERVER_STREAMING: { is_success = interop_client_->DoResponseStreaming(); break; } case SERVER_COMPRESSED_UNARY: { is_success = interop_client_->DoServerCompressedUnary(); break; } case SERVER_COMPRESSED_STREAMING: { is_success = interop_client_->DoServerCompressedStreaming(); break; } case SLOW_CONSUMER: { is_success = interop_client_->DoResponseStreamingWithSlowConsumer(); break; } case HALF_DUPLEX: { is_success = interop_client_->DoHalfDuplex(); break; } case PING_PONG: { is_success = interop_client_->DoPingPong(); break; } case CANCEL_AFTER_BEGIN: { is_success = interop_client_->DoCancelAfterBegin(); break; } case CANCEL_AFTER_FIRST_RESPONSE: { is_success = interop_client_->DoCancelAfterFirstResponse(); break; } case TIMEOUT_ON_SLEEPING_SERVER: { is_success = interop_client_->DoTimeoutOnSleepingServer(); break; } case EMPTY_STREAM: { is_success = interop_client_->DoEmptyStream(); break; } case STATUS_CODE_AND_MESSAGE: { is_success = interop_client_->DoStatusWithMessage(); break; } case CUSTOM_METADATA: { is_success = interop_client_->DoCustomMetadata(); break; } default: { grpc_core::Crash(absl::StrFormat("Invalid test case (%d)", test_case)); break; } } return is_success; } } // namespace testing } // namespace grpc