import type { ErrnoException } from "../_errors.ts";import type { LookupAddress } from "../dns.ts";import { isIPv4 } from "../_net.ts";import { codeMap } from "./uv.ts";import { AsyncWrap, providerType } from "./async_wrap.ts";
export const ARES_AI_CANONNAME = (1 << 0);export const ARES_AI_NUMERICHOST = (1 << 1);export const ARES_AI_PASSIVE = (1 << 2);export const ARES_AI_NUMERICSERV = (1 << 3);export const AI_V4MAPPED = (1 << 4);export const AI_ALL = (1 << 5);export const AI_ADDRCONFIG = (1 << 6);export const ARES_AI_NOSORT = (1 << 7);export const ARES_AI_ENVHOSTS = (1 << 8);
export class GetAddrInfoReqWrap extends AsyncWrap { callback!: ( err: ErrnoException | null, addressOrAddresses?: string | LookupAddress[] | null, family?: number, ) => void; family!: number; hostname!: string; oncomplete!: (err: number | null, addresses: string[]) => void;
constructor() { super(providerType.GETADDRINFOREQWRAP); }}
export function getaddrinfo( req: GetAddrInfoReqWrap, hostname: string, family: number, _hints: number, verbatim: boolean,) { (async () => { const addresses: string[] = [];
const recordTypes: ("A" | "AAAA")[] = [];
if (family === 0 || family === 4) { recordTypes.push("A"); } if (family === 0 || family === 6) { recordTypes.push("AAAA"); }
await Promise.allSettled( recordTypes.map((recordType) => Deno.resolveDns(hostname, recordType).then((records) => { records.forEach((record) => addresses.push(record)); }) ), );
const error = addresses.length ? null : codeMap.get("EAI_NODATA")!;
if (!verbatim) { addresses.sort((a: string, b: string): number => { if (isIPv4(a)) { return -1; } else if (isIPv4(b)) { return 1; }
return 0; }); }
req.oncomplete(error, addresses); })();}