65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
const { exec } = require("child_process");
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const fs = require('fs');
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class Server {
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constructor(dir) {
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this.rootDir = dir;
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this.name = dir.split('/').at(-1);
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this.pidFilePath = this.rootDir + '/pid.txt';
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// read version file
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var versionFilePath = this.rootDir + '/current_version.txt';
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if (fs.existsSync(versionFilePath)) {
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this.version = fs.readFileSync(versionFilePath, {encoding:'utf8', flag:'r'});
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}
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}
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start() {
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console.log(`Starting server ${this.name}...`);
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// create shell command and execute it
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let cmd = `${this.rootDir}/start.sh`;
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exec(cmd, (err, stdout, stderr) => {
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if (err) {
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console.log(`Error while starting server: ${error.message}`);
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}
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console.log(`Server ${this.name} has been started.`);
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});
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}
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stop() {
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console.log(`Stopping server ${this.name}...`);
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}
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getStatus() {
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if (fs.existsSync(this.pidFilePath)) {
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let pid = fs.readFileSync(this.pidFilePath, {encoding: 'utf8', flag: 'r'});
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try {
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return process.kill(pid, 0);
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} catch (err) {
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// ESRCH error means the process doesn't exist, so should return false
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if (err.code !== 'ESRCH') {
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console.error(err);
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return err.code === 'EPERM';
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} else {
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// delete pid.txt so we don't have to worry about checking it again
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fs.unlinkSync(this.pidFilePath);
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}
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}
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}
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return false
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}
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getPid() {
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if (fs.existsSync(this.pidFilePath)) {
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return fs.readFileSync(this.pidFilePath, {encoding:'utf8', flag:'r'})
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}
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return -1;
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}
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}
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exports.Server = Server;
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