Function runSequentialRequestLoop

benchmarks/memory/server/bench-utils.ts:81–120

(
  handler: StartRequestHandler,
  options: RunSequentialRequestLoopOptions,
)

}

export async function runSequentialRequestLoop(
  handler: StartRequestHandler,
  options: RunSequentialRequestLoopOptions,
) {
  const {
    iterations = 10,
    buildRequest,
    validateResponse,
    pinGcBetweenIterations = false,
    verifyGcFloor = false,
  } = options
  const random =
    options.seed !== undefined
      ? createDeterministicRandom(options.seed)
      : options.random
  const validate =
    validateResponse ??
    ((response: Response, request: Request) => {
      if (response.status !== 200) {
        throw new Error(
          `Request failed with non-200 status ${response.status} (${request.url})`,
        )
      }
    })

  const gcPinState = verifyGcFloor ? createGcPinState() : undefined

  for (let index = 0; index < iterations; index++) {
    const request = buildRequest(random, index)
    const response = await handler.fetch(request)

    validate(response, request)

    await drainResponse(response)

    if (pinGcBetweenIterations) {
      await settleAndPinGc(gcPinState)
    }
  }
}

// Renderer/stream teardown spans several event-loop turns (React and Vue
// need more than the two turns the original barrier allowed for), and a