60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
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const settings = require('../lib/settings');
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const { exec } = require('child_process');
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function validate_port(port) {
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if (port == null || typeof port !== 'number' || port < 1 || port > 65535)
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return false;
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else
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return true;
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}
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function check_webserver_running(cb) {
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// determine operating system
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switch (process.platform) {
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case 'win32':
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// windows
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exec(`for /f "tokens=5" %a in ('netstat -aon ^| findstr :${settings.webserver.port} ^| findstr LISTENING') do @echo %~nxa`, (err, stdout, stderr) => {
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// check if the port is open
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if (stdout != null && stdout != '') {
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// split the results in case there are multiple (usually because of ipv4 and ipv6)
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split = stdout.split('\n');
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// return the kill cmd
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return cb(`taskkill /f /pid ${split[0]}`);
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} else
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return cb(null);
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});
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break;
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default:
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// linux, macos, etc.
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exec(`lsof -t -i:${settings.webserver.port}`, (err, stdout, stderr) => {
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// check if the port is open
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if (stdout != null && stdout != '') {
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// return the kill cmd
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return cb(`kill -2 ${stdout.trim()}`);
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} else
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return cb(null);
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});
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}
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}
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// check if the webserver.port value is a valid port #
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if (validate_port(settings.webserver.port) == true) {
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// check if the server is currently running
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check_webserver_running(function(killcmd) {
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// check return value
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if (killcmd != null) {
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// send a kill signal to the process that is currently using the explorer's server port
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exec(killcmd, (err, stdout, stderr) => {
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// show shutdown msg
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console.log('Explorer shutting down... Please wait...');
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});
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} else {
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// webserver is not running
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console.log('Error: Cannot stop explorer because it is not currently running');
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}
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});
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} else {
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// invalid port number
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console.log('Error: webserver.port value not found in settings.json.');
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}
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