ArrayIsArray,

Error,

MathMin,

NumberIsFinite,

ObjectKeys,

ObjectSetPrototypeOf,

ReflectApply,

const kConnectionsCheckingInterval = Symbol('http.server.connectionsCheckingInterval');

const HTTP_SERVER_TRACE_EVENT_NAME = 'http.server.request';

// TODO(jazelly): make this configurable

const HTTP_SERVER_KEEP_ALIVE_TIMEOUT_BUFFER = 1000;

class HTTPServerAsyncResource {

constructor(type, socket) {

this.keepAliveTimeout = 5_000; // 5 seconds;

}

const keepAliveTimeoutBuffer = options.keepAliveTimeoutBuffer;

if (keepAliveTimeoutBuffer !== undefined) {

validateInteger(keepAliveTimeoutBuffer, 'keepAliveTimeoutBuffer', 0);

this.keepAliveTimeoutBuffer = keepAliveTimeoutBuffer;

} else {

this.keepAliveTimeoutBuffer = 1000;

}

const connectionsCheckingInterval = options.connectionsCheckingInterval;

if (connectionsCheckingInterval !== undefined) {

validateInteger(connectionsCheckingInterval, 'connectionsCheckingInterval', 0);

}

storeHTTPOptions.call(this, options);

// Optional buffer added to the keep-alive timeout when setting socket timeouts.

// Helps reduce ECONNRESET errors from clients by extending the internal timeout.

// Default is 1000ms if not specified.

const buf = options.keepAliveTimeoutBuffer;

this.keepAliveTimeoutBuffer =

(typeof buf === 'number' && NumberIsFinite(buf) && buf >= 0) ? buf : 1000;

net.Server.call(

this,

{ allowHalfOpen: true, noDelay: options.noDelay ?? true,

}

} else if (state.outgoing.length === 0) {

if (server.keepAliveTimeout && typeof socket.setTimeout === 'function') {

// Increase the internal timeout wrt the advertised value to reduce

// Extend the internal timeout by the configured buffer to reduce

// the likelihood of ECONNRESET errors.

socket.setTimeout(server.keepAliveTimeout + HTTP_SERVER_KEEP_ALIVE_TIMEOUT_BUFFER);

// This allows fine-tuning beyond the advertised keepAliveTimeout.

socket.setTimeout(server.keepAliveTimeout + server.keepAliveTimeoutBuffer);

state.keepAliveTimeoutSet = true;

}

} else {