index.d.ts

import {EventEmitter} from 'events';

export interface Options {
  bufferSize?: number;
  protocol?: number;
  addressFamily?: number;
}

export interface Socket extends EventEmitter {
  new(options?: Options): this;

  setOption(
    level: number,
    option: number,
    value: number,
    length?: number
  ): void;

  getOption(
    level: number,
    option: number,
    value: number,
    length?: number
  ): number;

  send(
    buffer: Buffer,
    offset: number,
    length: number,
    address: string,
    beforeCallback?: () => void,
    afterCallback?: (error: Error | null, bytes: number) => void
  ): this;

  send(
    buffer: Buffer,
    offset: number,
    length: number,
    address: string,
    afterCallback?: (error: Error | null, bytes: number) => void
  ): this;

  recv(
    buffer: Buffer,
    callback?: (buffer: Buffer, bytes: number, source: string) => void
  ): this;

  pause(recvPaused: boolean, sendPaused: boolean): this;

  close(): this;
}

export function createSocket(options?: Options): Socket;

export function writeChecksum(
  buffer: Buffer,
  offset: number,
  checksum: number
): Buffer;

export function createChecksum(...args: Buffer[]): number;

export interface TAddressFamily {
  IPv4: number;
  IPv6: number;
}

export const AddressFamily: TAddressFamily;

export interface TProtocol {
  ICMP: number;
  TCP: number;
  UDP: number;
  ICMPv6: number;
}

export const Protocol: TProtocol;

export interface TSocketLevel {
  IPPROTO_IP: number;
  IPPROTO_IPV6: number;
  SOL_SOCKET: number;
}

export const SocketLevel: TSocketLevel;

export interface TSocketOption {
  SO_BROADCAST: number;
  SO_RCVBUF: number;
  SO_RCVTIMEO: number;
  SO_SNDBUF: number;
  SO_SNDTIMEO: number;
  IP_HDRINCL: number;
  IP_OPTIONS: number;
  IP_TOS: number;
  IP_TTL: number;
  IPV6_TTL: number;
  IPV6_UNICAST_HOPS: number;
  IPV6_V6ONLY: number;
}

export const SocketOption: TSocketOption;