Socket.prototype.setKeepAlive - net - Node

method Socket.prototype.setKeepAlive

Usage in Deno

import { Socket } from "node:net";



Socket.prototype.setKeepAlive(enable?: boolean,
initialDelay?: number,
): this

Enable/disable keep-alive functionality, and optionally set the initial delay before the first keepalive probe is sent on an idle socket.

Set initialDelay (in milliseconds) to set the delay between the last data packet received and the first keepalive probe. Setting 0 forinitialDelay will leave the value unchanged from the default (or previous) setting.

Enabling the keep-alive functionality will set the following socket options:

SO_KEEPALIVE=1
TCP_KEEPIDLE=initialDelay
TCP_KEEPCNT=10
TCP_KEEPINTVL=1

Parameters

optional



enable: boolean = false

optional



initialDelay: number = 0

Return Type

this

The socket itself.