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68 lines
2.4 KiB
TypeScript
68 lines
2.4 KiB
TypeScript
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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/* Copyright 1998 by the Massachusetts Institute of Technology.
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in
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* advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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// REF: https://github.com/nodejs/node/blob/master/deps/cares/include/ares.h#L190
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export const ARES_AI_CANONNAME = 1 << 0;
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export const ARES_AI_NUMERICHOST = 1 << 1;
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export const ARES_AI_PASSIVE = 1 << 2;
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export const ARES_AI_NUMERICSERV = 1 << 3;
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export const AI_V4MAPPED = 1 << 4;
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export const AI_ALL = 1 << 5;
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export const AI_ADDRCONFIG = 1 << 6;
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export const ARES_AI_NOSORT = 1 << 7;
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export const ARES_AI_ENVHOSTS = 1 << 8;
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// REF: https://github.com/nodejs/node/blob/master/deps/cares/src/lib/ares_strerror.c
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// deno-lint-ignore camelcase
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export function ares_strerror(code: number) {
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/* Return a string literal from a table. */
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const errorText = [
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"Successful completion",
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"DNS server returned answer with no data",
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"DNS server claims query was misformatted",
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"DNS server returned general failure",
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"Domain name not found",
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"DNS server does not implement requested operation",
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"DNS server refused query",
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"Misformatted DNS query",
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"Misformatted domain name",
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"Unsupported address family",
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"Misformatted DNS reply",
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"Could not contact DNS servers",
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"Timeout while contacting DNS servers",
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"End of file",
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"Error reading file",
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"Out of memory",
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"Channel is being destroyed",
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"Misformatted string",
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"Illegal flags specified",
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"Given hostname is not numeric",
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"Illegal hints flags specified",
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"c-ares library initialization not yet performed",
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"Error loading iphlpapi.dll",
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"Could not find GetNetworkParams function",
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"DNS query cancelled",
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];
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if (code >= 0 && code < errorText.length) {
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return errorText[code];
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} else {
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return "unknown";
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}
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}
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