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52bae222a3
The tap skipping output is so prevalent yet obscure in nature that we ought to move it into it's own function in test/common.js PR-URL: https://github.com/nodejs/node/pull/6697 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const net = require('net');
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if (!common.hasIPv6) {
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common.skip('no IPv6 support');
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return;
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}
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const hosts = common.localIPv6Hosts;
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var hostIdx = 0;
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var host = hosts[hostIdx];
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var localhostTries = 10;
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const server = net.createServer({allowHalfOpen: true}, function(socket) {
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socket.resume();
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socket.on('end', common.mustCall(function() {}));
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socket.end();
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});
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server.listen(common.PORT, '::1', tryConnect);
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function tryConnect() {
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const client = net.connect({
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host: host,
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port: common.PORT,
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family: 6,
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allowHalfOpen: true
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}, function() {
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console.error('client connect cb');
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client.resume();
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client.on('end', common.mustCall(function() {
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setTimeout(function() {
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assert(client.writable);
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client.end();
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}, 10);
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}));
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client.on('close', function() {
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server.close();
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});
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}).on('error', function(err) {
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// ENOTFOUND means we don't have the requested address. In this
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// case we try the next one in the list and if we run out of
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// candidates we assume IPv6 is not supported on the
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// machine and skip the test.
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// EAI_AGAIN means we tried to remotely resolve the address and
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// timed out or hit some intermittent connectivity issue with the
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// dns server. Although we are looking for local loopback addresses
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// we may go remote since the list we search includes addresses that
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// cover more than is available on any one distribution. The
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// net is that if we get an EAI_AGAIN we were looking for an
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// address which does not exist in this distribution so the error
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// is not significant and we should just move on and try the
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// next address in the list.
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if ((err.syscall === 'getaddrinfo') && ((err.code === 'ENOTFOUND') ||
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(err.code === 'EAI_AGAIN'))) {
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if (host !== 'localhost' || --localhostTries === 0)
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host = hosts[++hostIdx];
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if (host)
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tryConnect();
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else {
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common.skip('no IPv6 localhost support');
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server.close();
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}
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return;
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}
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throw err;
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});
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}
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