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var events = require('events');
function callback (promise) {
return function () {
if (arguments[0] instanceof Error) {
promise.emitError.apply(promise, arguments);
} else {
promise.emitSuccess.apply(promise, arguments);
}
}
}
exports.resolve4 = function (domain) {
var promise = new events.Promise();
process.dns.resolve4(domain, callback(promise));
return promise;
};
exports.resolve6 = function (domain) {
var promise = new events.Promise();
process.dns.resolve6(domain, callback(promise));
return promise;
};
exports.reverse = function (ip) {
var promise = new events.Promise();
process.dns.reverse(ip, callback(promise));
return promise;
};
// 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;