protobuf-endpoint.js

'use strict';

const co       = require('co');
const Promise  = require('bluebird');
const protobuf = Promise.promisifyAll(require("protobufjs"));
const lib      = require('./lib');
const fs       = require('fs');

module.exports.handler = co.wrap(function* (event, context, callback) {
  console.log(JSON.stringify(event));

  let players = lib.genPlayers();
  let root = yield protobuf.loadAsync("functions/player.proto");
  let Players = root.lookupType("protodemo.Players");
  let message = Players.create(players);
  let buffer = Players.encode(message).finish();

  const response = {
    statusCode: 200,
    headers: { 'Content-Type': 'application/x-protobuf' },
    body: buffer.toString('base64'),
    isBase64Encoded: true
  };

  callback(null, response);
});