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joplin/ReactNativeClient/lib/net-utils.js
Laurent Cozic 55c5ddedf4 Revert "Applied prettier to code base"
This reverts commit c4f19465a6.
2018-03-09 20:59:12 +00:00

33 lines
793 B
JavaScript

const { shim } = require('lib/shim.js');
const netUtils = {};
netUtils.ip = async () => {
let response = await shim.fetch('https://api.ipify.org/?format=json');
if (!response.ok) {
throw new Error('Could not retrieve IP: ' + await response.text());
}
let ip = await response.json();
return ip.ip;
}
netUtils.findAvailablePort = async (possiblePorts, extraRandomPortsToTry = 20) => {
const tcpPortUsed = require('tcp-port-used');
for (let i = 0; i < extraRandomPortsToTry; i++) {
possiblePorts.push(Math.floor(8000 + Math.random() * 2000));
}
let port = null;
for (let i = 0; i < possiblePorts.length; i++) {
let inUse = await tcpPortUsed.check(possiblePorts[i]);
if (!inUse) {
port = possiblePorts[i];
break;
}
}
return port;
}
module.exports = { netUtils };