| /* |
| * |
| * Copyright 2015, Google Inc. |
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| */ |
| |
| #include "test/cpp/interop/stress_interop_client.h" |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <grpc++/create_channel.h> |
| #include <grpc/support/log.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<pair<TestCaseType, int>>& 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 |
| GPR_ASSERT(selected_test != UNKNOWN_TEST); |
| return selected_test; |
| } |
| |
| StressTestInteropClient::StressTestInteropClient( |
| int test_id, const grpc::string& server_address, |
| std::shared_ptr<Channel> channel, |
| 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_(channel), |
| interop_client_(new InteropClient(channel, 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(std::shared_ptr<QpsGauge> 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: { |
| gpr_log(GPR_ERROR, "Invalid test case (%d)", test_case); |
| GPR_ASSERT(false); |
| break; |
| } |
| } |
| |
| return is_success; |
| } |
| |
| } // namespace testing |
| } // namespace grpc |