|
|
|
/*
|
|
|
|
*
|
|
|
|
* 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 <memory>
|
|
|
|
#include <string>
|
|
|
|
|
|
|
|
#include <gflags/gflags.h>
|
|
|
|
#include <grpc/support/log.h>
|
|
|
|
#include <grpcpp/grpcpp.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;
|
|
|
|
|
|
|
|
// Do not log anything
|
|
|
|
void BlackholeLogger(gpr_log_func_args* /*args*/) {}
|
|
|
|
|
|
|
|
// 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) {
|
|
|
|
std::cout << gauge_response.name() << ": "
|
|
|
|
<< gauge_response.long_value() << std::endl;
|
|
|
|
}
|
|
|
|
overall_qps += gauge_response.long_value();
|
|
|
|
} else {
|
|
|
|
std::cout << "Gauge '" << gauge_response.name() << "' is not long valued"
|
|
|
|
<< std::endl;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
std::cout << overall_qps << std::endl;
|
|
|
|
|
|
|
|
const grpc::Status status = reader->Finish();
|
|
|
|
if (!status.ok()) {
|
|
|
|
std::cout << "Error in getting metrics from the client" << std::endl;
|
|
|
|
}
|
|
|
|
|
|
|
|
return status.ok();
|
|
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char** argv) {
|
|
|
|
grpc::testing::InitTest(&argc, &argv, true);
|
|
|
|
|
|
|
|
// The output of metrics client is in some cases programmatically parsed (for
|
|
|
|
// example by the stress test framework). So, we do not want any of the log
|
|
|
|
// from the grpc library appearing on stdout.
|
|
|
|
gpr_set_log_function(BlackholeLogger);
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|