Function main

benchmark/tls/throughput-s2c.js:17–105

({ dur, type, sendchunklen, recvbuflen, recvbufgenfn })

const tls = require('tls');

function main({ dur, type, sendchunklen, recvbuflen, recvbufgenfn }) {
  if (isFinite(recvbuflen) && recvbuflen > 0)
    recvbuf = Buffer.alloc(recvbuflen);

  let encoding;
  let chunk;
  switch (type) {
    case 'buf':
      chunk = Buffer.alloc(sendchunklen, 'b');
      break;
    case 'asc':
      chunk = 'a'.repeat(sendchunklen);
      encoding = 'ascii';
      break;
    case 'utf':
      chunk = 'ü'.repeat(sendchunklen / 2);
      encoding = 'utf8';
      break;
    default:
      throw new Error('invalid type');
  }

  options = {
    key: fixtures.readKey('rsa_private.pem'),
    cert: fixtures.readKey('rsa_cert.crt'),
    ca: fixtures.readKey('rsa_ca.crt'),
    ciphers: 'AES256-GCM-SHA384',
    maxVersion: 'TLSv1.2',
  };

  let socketOpts;
  if (recvbuf === undefined) {
    socketOpts = { port: common.PORT, rejectUnauthorized: false };
  } else {
    let buffer = recvbuf;
    if (recvbufgenfn === 'true') {
      let bufidx = -1;
      const bufpool = [
        recvbuf,
        Buffer.from(recvbuf),
        Buffer.from(recvbuf),
      ];
      buffer = () => {
        bufidx = (bufidx + 1) % bufpool.length;
        return bufpool[bufidx];
      };
    }
    socketOpts = {
      port: common.PORT,
      rejectUnauthorized: false,
      onread: {
        buffer,
        callback: function(nread, buf) {
          received += nread;
        },
      },
    };
  }