mobile-cli-lib/services/net-service.js

common lib used by different CLI

"use strict";
var net = require("net");
var Future = require("fibers/future");
var Net = (function () {
    function Net($logger) {
        this.$logger = $logger;
    }
    Net.prototype.getFreePort = function () {
        return (function () {
            var server = net.createServer(function (sock) { });
            var createServerFuture = new Future();
            server.listen(0, function () {
                var portUsed = server.address().port;
                server.close();
                if (!createServerFuture.isResolved()) {
                    createServerFuture.return(portUsed);
                }
            });
            server.on("error", function (err) {
                if (!createServerFuture.isResolved()) {
                    createServerFuture.throw(err);
                }
            });
            return createServerFuture.wait();
        }).future()();
    };
    return Net;
}());
exports.Net = Net;
$injector.register("net", Net);