tlbmc/hal/shared_mem/demo/shared_mem_metrics_server.cc

#include <chrono>      // NOLINT
#include <filesystem>  // NOLINT
#include <iostream>
#include <string>

#include "absl/time/time.h"
#include "tlbmc/hal/shared_mem/segment_manager.h"
#include "tlbmc/hal/shared_mem/server.h"
#include "bmcweb_authorizer_singleton.h"
#include "server.h"

int main() {
  boost::interprocess::shared_memory_object::remove("TlbmcSharedMemory");
  std::filesystem::remove(std::string{milotic_tlbmc::kShareMemInitializedFile});
  std::cout << "SharedMemoryServer starts \n";
  milotic_tlbmc::SharedMemoryServer::Initialize();
  milotic::RedfishServiceConfig config;
  milotic::authz::BmcWebAuthorizerSingleton::Initialize(
      config.authz_config_path, config.rofs_base_privileges_folder,
      config.gmi_file_path, config.oauth_key_path,
      config.pattern_to_entity_overrides_path, config.offline_node_entity_path);

  std::chrono::high_resolution_clock::time_point start =
      std::chrono::high_resolution_clock::now();
  constexpr int kIterations = 1000'000;
  for (int i = 0; i < kIterations; ++i) {
    milotic_tlbmc::SharedMemoryServer::GetInstance().UpdateMetricsRequestCount(
        true);
  }
  std::chrono::high_resolution_clock::time_point end =
      std::chrono::high_resolution_clock::now();
  std::cout << "latency ns of one UpdateMetricsRequestCount :"
            << static_cast<double>(
                   std::chrono::duration_cast<std::chrono::nanoseconds>(end -
                                                                        start)
                       .count()) /
                   kIterations
            << "\n";
  start = std::chrono::high_resolution_clock::now();
  for (int i = 0; i < kIterations; ++i) {
    milotic_tlbmc::SharedMemoryServer::GetInstance().UpdateMetricsResponse(
        absl::Milliseconds(i), 200, "test_resource_url");
  }
  end = std::chrono::high_resolution_clock::now();
  std::cout << "latency ns of one UpdateMetricsResponse :"
            << static_cast<double>(
                   std::chrono::duration_cast<std::chrono::nanoseconds>(end -
                                                                        start)
                       .count()) /
                   kIterations
            << "\n";
  std::cout << "Metrics is "
            << milotic_tlbmc::SharedMemoryServer::GetInstance()
                   .GetMetrics()
                   ->ToJson()
                   .dump(2)
            << "\n";
  return 0;
}