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var events = require('events');
exports.resolve = function (domain, type_, callback_) {
var type, callback;
if (typeof(type_) == 'string') {
type = type_;
callback = callback_;
} else {
type = 'A';
callback = arguments[1];
}
var resolveFunc = resolveMap[type];
if (typeof(resolveFunc) == 'function') {
resolveFunc(domain, callback);
} else {
throw new Error('Unknown type "' + type + '"');
}
}
exports.resolve4 = process.dns.resolve4;
exports.resolve6 = process.dns.resolve6;
exports.resolveMx = process.dns.resolveMx;
exports.resolveTxt = process.dns.resolveTxt;
exports.resolveSrv = process.dns.resolveSrv;
exports.reverse = process.dns.reverse;
// ERROR CODES
// timeout, SERVFAIL or similar.
exports.TEMPFAIL = process.dns.TEMPFAIL;
// got garbled reply.
exports.PROTOCOL = process.dns.PROTOCOL;
// domain does not exists.
exports.NXDOMAIN = process.dns.NXDOMAIN;
// domain exists but no data of reqd type.
exports.NODATA = process.dns.NODATA;
// out of memory while processing.
exports.NOMEM = process.dns.NOMEM;
// the query is malformed.
exports.BADQUERY = process.dns.BADQUERY;
var resolveMap = {
'A': exports.resolve4,
'AAAA': exports.resolve6,
'MX': exports.resolveMx,
'TXT': exports.resolveTxt,
'SRV': exports.resolveSrv,
'PTR': exports.reverse,
};
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