Function transferAndGetPacketCount

test/parallel/test-quic-max-payload-size.mjs:23–50

(maxPayloadSize)

// Transfer with default maxPayloadSize (1200).
async function transferAndGetPacketCount(maxPayloadSize) {
  const serverDone = Promise.withResolvers();

  const serverEndpoint = await listen(mustCall((serverSession) => {
    serverSession.onstream = mustCall(async (stream) => {
      const received = await bytes(stream);
      strictEqual(received.byteLength, dataLength);
      stream.writer.endSync();
      await stream.closed;
      serverSession.close();
      serverDone.resolve();
    });
  }), maxPayloadSize ? { maxPayloadSize } : {});

  const clientSession = await connect(serverEndpoint.address,
                                      maxPayloadSize ? { maxPayloadSize } : {});
  await clientSession.opened;

  const stream = await clientSession.createBidirectionalStream();
  stream.setBody(new Uint8Array(dataLength));
  for await (const _ of stream) { /* drain */ } // eslint-disable-line no-unused-vars
  await Promise.all([stream.closed, serverDone.promise]);

  const pktSent = clientSession.stats.pktSent;
  await clientSession.closed;
  await serverEndpoint.close();
  return pktSent;
}

const defaultPkts = await transferAndGetPacketCount();
const smallPkts = await transferAndGetPacketCount(1200);