Function payloadBytes

script/computerd-soak.mjs:198–208

(seed)

// compression ratio when it's enabled on the wire.
const PAYLOAD_MODE = process.env.SOAK_PAYLOAD ?? "incompressible";
function payloadBytes(seed) {
  const out = new Uint8Array(PAYLOAD_B);
  if (PAYLOAD_MODE === "text") {
    const filler = `change ${seed} \u2014 the quick brown fox jumps over the lazy dog. `;
    const bytes = new TextEncoder().encode(filler);
    for (let i = 0; i < PAYLOAD_B; i++) out[i] = bytes[i % bytes.length];
  } else {
    for (let i = 0; i < PAYLOAD_B; i++) out[i] = (seed * 31 + i) & 0xff;
  }
  return out;
}

// Persistent capnweb WebSocket session against B. Reused
// across the soak; one upgrade, many push round-trips.