| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| *is % allowed in string |
| */ |
| |
| #include <memory> |
| #include <string> |
| |
| #include <gflags/gflags.h> |
| #include <grpc++/grpc++.h> |
| |
| #include "src/proto/grpc/testing/metrics.grpc.pb.h" |
| #include "src/proto/grpc/testing/metrics.pb.h" |
| #include "test/cpp/util/metrics_server.h" |
| #include "test/cpp/util/test_config.h" |
| |
| int kDeadlineSecs = 10; |
| |
| DEFINE_string(metrics_server_address, "localhost:8081", |
| "The metrics server addresses in the fomrat <hostname>:<port>"); |
| DEFINE_int32(deadline_secs, kDeadlineSecs, |
| "The deadline (in seconds) for RCP call"); |
| DEFINE_bool(total_only, false, |
| "If true, this prints only the total value of all gauges"); |
| |
| using grpc::testing::EmptyMessage; |
| using grpc::testing::GaugeResponse; |
| using grpc::testing::MetricsService; |
| using grpc::testing::MetricsServiceImpl; |
| |
| // Prints the values of all Gauges (unless total_only is set to 'true' in which |
| // case this only prints the sum of all gauge values). |
| bool PrintMetrics(std::unique_ptr<MetricsService::Stub> stub, bool total_only, |
| int deadline_secs) { |
| grpc::ClientContext context; |
| EmptyMessage message; |
| |
| std::chrono::system_clock::time_point deadline = |
| std::chrono::system_clock::now() + std::chrono::seconds(deadline_secs); |
| |
| context.set_deadline(deadline); |
| |
| std::unique_ptr<grpc::ClientReader<GaugeResponse>> reader( |
| stub->GetAllGauges(&context, message)); |
| |
| GaugeResponse gauge_response; |
| long overall_qps = 0; |
| while (reader->Read(&gauge_response)) { |
| if (gauge_response.value_case() == GaugeResponse::kLongValue) { |
| if (!total_only) { |
| gpr_log(GPR_INFO, "%s: %lld", gauge_response.name().c_str(), |
| gauge_response.long_value()); |
| } |
| overall_qps += gauge_response.long_value(); |
| } else { |
| gpr_log(GPR_INFO, "Gauge %s is not a long value", |
| gauge_response.name().c_str()); |
| } |
| } |
| |
| gpr_log(GPR_INFO, "%ld", overall_qps); |
| |
| const grpc::Status status = reader->Finish(); |
| if (!status.ok()) { |
| gpr_log(GPR_ERROR, "Error in getting metrics from the client"); |
| } |
| |
| return status.ok(); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::InitTest(&argc, &argv, true); |
| |
| // Make sure server_addresses flag is not empty |
| if (FLAGS_metrics_server_address.empty()) { |
| gpr_log( |
| GPR_ERROR, |
| "Cannot connect to the Metrics server. Please pass the address of the" |
| "metrics server to connect to via the 'metrics_server_address' flag"); |
| return 1; |
| } |
| |
| std::shared_ptr<grpc::Channel> channel(grpc::CreateChannel( |
| FLAGS_metrics_server_address, grpc::InsecureChannelCredentials())); |
| |
| if (!PrintMetrics(MetricsService::NewStub(channel), FLAGS_total_only, |
| FLAGS_deadline_secs)) { |
| return 1; |
| } |
| |
| return 0; |
| } |