public static void main()

in benchmark-java/src/main/java/org/apache/pekko/grpc/benchmarks/driver/LoadWorker.java [86:135]
47 lines of code
9 McCabe index (conditional complexity)

  public static void main(String[] args) throws Exception {
    boolean usage = false;
    int serverPort = 0;
    int driverPort = 0;
    for (String arg : args) {
      if (!arg.startsWith("--")) {
        System.err.println("All arguments must start with '--': " + arg);
        usage = true;
        break;
      }
      String[] parts = arg.substring(2).split("=", 2);
      String key = parts[0];
      if ("help".equals(key)) {
        usage = true;
        break;
      }
      if (parts.length != 2) {
        System.err.println("All arguments must be of the form --arg=value");
        usage = true;
        break;
      }
      String value = parts[1];
      if ("server_port".equals(key)) {
        serverPort = Integer.parseInt(value);
      } else if ("driver_port".equals(key)) {
        driverPort = Integer.parseInt(value);
      } else {
        System.err.println("Unknown argument: " + key);
        usage = true;
        break;
      }
    }
    if (usage || driverPort == 0) {
      System.err.println(
          "Usage: [ARGS...]"
              + "\n"
              + "\n  --driver_port=<port>"
              + "\n    Port to expose grpc.testing.WorkerService, used by driver to initiate work."
              + "\n  --server_port=<port>"
              + "\n    Port to start load servers on. Defaults to any available port");
      System.exit(1);
    }


    // important to enable HTTP/2 in ActorSystem's config
    Config conf = ConfigFactory.parseString("pekko.http.server.preview.enable-http2 = on")
        .withFallback(ConfigFactory.defaultApplication());
    ActorSystem system = ActorSystem.create("LoadWorker", conf);
    new LoadWorker(system, driverPort, serverPort).start();
  }