scenario1-grpc.js

const SIZE = 500000;
const path = require('path');
const grpc = require('@grpc/grpc-js');
const protoLoader = require('@grpc/proto-loader');
const PROTO_PATH = path.resolve(__dirname, './grpc.proto');

const GRPC_HOST = '127.0.0.1:50099';
const packageDeginition = protoLoader.loadSync(PROTO_PATH);
const descriptor = grpc.loadPackageDefinition(packageDeginition);

const grpcClient = new descriptor.Test(
  GRPC_HOST, grpc.credentials.createInsecure()
);

// Test GRPC
const grpcServer = new grpc.Server();

grpcServer.addService(descriptor.Test.service, {
  TextSend: (call, callback) => {
    console.timeEnd('gRPC:Transmission');

    callback(null, { done: true });
  },
});

grpcServer.bindAsync(GRPC_HOST, grpc.ServerCredentials.createInsecure(), (err, s) => {
  grpcServer.start();

  const generated = {
    data: Array.from(Array(SIZE)).map((n, index) => ({
      index,
    })),
  };

  console.time('gRPC:Transmission');

  grpcClient.TextSend(generated, (err) => {
    console.time('gRPC:Serialize');
    console.log(`gRPC:Size:${grpcClient.TextSend.requestSerialize(generated).length}`);
    console.timeEnd('gRPC:Serialize');
  });
});