scratch – Rev 73
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/*
* Copyright (c) 2014 gskinner.com, inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
module.exports = function (grunt) {
var net = require('net');
var _callback;
var _ports;
var _opts;
var _done;
grunt.registerMultiTask('findopenport', 'Prints a list of active ips.', function() {
_opts = this.options();
_done = this.async();
_ports = _opts['ports'] || [80, 8888, 9000, 9999, 9001];
checkNext();
});
function checkNext() {
if (!_ports.length) {
grunt.option(_portName, -1);
_done();
return;
}
check(_ports.shift(), function(success, port) {
if (!success) {
checkNext();
} else {
//grunt.option(_portName, port);
var configNames = Array.isArray(_opts.configName)?_opts.configName:[_opts.configName];
configNames.forEach(function(item) {
grunt.config.set(item, port);
});
_done();
}
});
}
function check(port, callback) {
var server = net.createServer();
server.on('error', function(e) {
callback(false, port);
});
server.listen(port, function() {
callback(true, port);
server.close();
});
}
};