forked from coolaj86/goldilocks.js
55 lines
1.0 KiB
JavaScript
55 lines
1.0 KiB
JavaScript
'use strict';
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function bindTcpAndRelease(port, cb) {
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var server = require('net').createServer();
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server.on('error', function (e) {
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cb(e);
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});
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server.listen(port, function () {
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server.close();
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cb();
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});
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}
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function checkTcpPorts(cb) {
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var bound = {};
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var failed = {};
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bindTcpAndRelease(80, function (e) {
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if (e) {
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failed[80] = e;
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//console.log(e.code);
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//console.log(e.message);
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} else {
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bound['80'] = true;
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}
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bindTcpAndRelease(443, function (e) {
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if (e) {
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failed[443] = e;
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} else {
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bound['443'] = true;
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}
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if (bound['80'] && bound['443']) {
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cb(null, bound);
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return;
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}
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console.warn("default ports 80 and 443 are not available, trying 8443");
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bindTcpAndRelease(8443, function (e) {
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if (e) {
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failed[8443] = e;
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} else {
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bound['8443'] = true;
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}
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cb(failed, bound);
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});
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});
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});
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}
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module.exports.checkTcpPorts = checkTcpPorts;
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