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Solve fix inconsistent (hostname vs host) in DNS. #20892 #21471

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Solve fix inconsistent (hostname vs host) in DNS. #20892 #21471

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fab9b15
Solve fix inconsistent (hostname vs host) in DNS. #20892
UlisesGascon Jun 22, 2018
cb0ceee
Merge branch 'master' of https://github.com/nodejs/node
UlisesGascon Jul 20, 2018
b9e2916
Update test validation for #21471
UlisesGascon Jul 20, 2018
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20 changes: 10 additions & 10 deletions lib/dns.js
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Original file line number Diff line number Diff line change
Expand Up @@ -149,21 +149,21 @@ Object.defineProperty(lookup, customPromisifyArgs,
{ value: ['address', 'family'], enumerable: false });


function onlookupservice(err, host, service) {
function onlookupservice(err, hostname, service) {
if (err)
return this.callback(dnsException(err, 'getnameinfo', this.host));
return this.callback(dnsException(err, 'getnameinfo', this.hostname));

this.callback(null, host, service);
this.callback(null, hostname, service);
}


// lookupService(address, port, callback)
function lookupService(host, port, callback) {
function lookupService(hostname, port, callback) {
if (arguments.length !== 3)
throw new ERR_MISSING_ARGS('host', 'port', 'callback');
throw new ERR_MISSING_ARGS('hostname', 'port', 'callback');

if (isIP(host) === 0)
throw new ERR_INVALID_OPT_VALUE('host', host);
if (isIP(hostname) === 0)
throw new ERR_INVALID_OPT_VALUE('hostname', hostname);

if (!isLegalPort(port))
throw new ERR_SOCKET_BAD_PORT(port);
Expand All @@ -175,12 +175,12 @@ function lookupService(host, port, callback) {

var req = new GetNameInfoReqWrap();
req.callback = callback;
req.host = host;
req.hostname = hostname;
req.port = port;
req.oncomplete = onlookupservice;

var err = cares.getnameinfo(req, host, port);
if (err) throw dnsException(err, 'getnameinfo', host);
var err = cares.getnameinfo(req, hostname, port);
if (err) throw dnsException(err, 'getnameinfo', hostname);
return req;
}

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6 changes: 3 additions & 3 deletions test/common/dns.js
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Original file line number Diff line number Diff line change
Expand Up @@ -291,12 +291,12 @@ const mockedErrorCode = 'ENOTFOUND';
const mockedSysCall = 'getaddrinfo';

function errorLookupMock(code = mockedErrorCode, syscall = mockedSysCall) {
return function lookupWithError(host, dnsopts, cb) {
const err = new Error(`${syscall} ${code} ${host}`);
return function lookupWithError(hostname, dnsopts, cb) {
const err = new Error(`${syscall} ${code} ${hostname}`);
err.code = code;
err.errno = code;
err.syscall = syscall;
err.hostname = host;
err.hostname = hostname;
cb(err);
};
}
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4 changes: 2 additions & 2 deletions test/parallel/test-dns.js
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Original file line number Diff line number Diff line change
Expand Up @@ -244,11 +244,11 @@ dns.lookup('', {
const err = {
code: 'ERR_MISSING_ARGS',
type: TypeError,
message: 'The "host", "port", and "callback" arguments must be specified'
message: 'The "hostname", "port", and "callback" arguments must be specified'
};

common.expectsError(() => dns.lookupService('0.0.0.0'), err);
err.message = 'The "host" and "port" arguments must be specified';
err.message = 'The "hostname" and "port" arguments must be specified';
common.expectsError(() => dnsPromises.lookupService('0.0.0.0'), err);
}

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