2019-05-16 13:10:22 +00:00
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import * as plugins from './smartexit.plugins';
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2019-05-16 16:48:45 +00:00
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export class SmartExit {
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2019-05-19 20:12:21 +00:00
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public processesToEnd = new plugins.lik.Objectmap<plugins.childProcess.ChildProcess>();
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2019-05-19 20:23:38 +00:00
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2019-05-19 20:23:17 +00:00
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/**
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* adds a process to be exited
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* @param childProcessArg
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*/
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public addProcess(childProcessArg: plugins.childProcess.ChildProcess) {
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2019-05-19 20:12:21 +00:00
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this.processesToEnd.add(childProcessArg);
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2019-05-16 16:48:45 +00:00
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}
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2019-05-19 20:23:17 +00:00
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/**
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* removes a process to be exited
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*/
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public removeProcess(childProcessArg: plugins.childProcess.ChildProcess) {
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this.processesToEnd.remove(childProcessArg);
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}
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2019-05-19 20:12:21 +00:00
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public async killAll() {
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2019-05-16 16:48:45 +00:00
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console.log('Checking for remaining child processes before exit...');
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if (this.processesToEnd.getArray().length > 0) {
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console.log('found remaining child processes');
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let counter = 1;
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2019-05-19 20:12:21 +00:00
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this.processesToEnd.forEach(async childProcessArg => {
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2019-05-16 16:48:45 +00:00
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console.log(`killing process #${counter}`);
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2019-05-22 10:47:38 +00:00
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plugins.smartdelay.delayFor(10000).then(() => {
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if (childProcessArg.killed) {
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return;
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}
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childProcessArg.kill('SIGKILL');
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})
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2019-05-16 16:48:45 +00:00
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childProcessArg.kill('SIGINT');
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2019-05-22 10:47:38 +00:00
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2019-05-16 16:48:45 +00:00
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counter++;
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});
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} else {
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console.log(`Everything looks clean. Ready to exit!`);
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}
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}
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2019-05-19 20:12:21 +00:00
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constructor() {
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// do app specific cleaning before exiting
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process.on('exit', async () => {
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await this.killAll();
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});
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2019-05-16 16:48:45 +00:00
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2019-05-19 20:12:21 +00:00
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// catch ctrl+c event and exit normally
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process.on('SIGINT', async () => {
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console.log('Ctrl-C...');
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await this.killAll();
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});
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2019-05-16 16:48:45 +00:00
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2019-05-19 20:12:21 +00:00
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//catch uncaught exceptions, trace, then exit normally
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process.on('uncaughtException', async err => {
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console.log('Ctrl-C...');
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await this.killAll();
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});
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}
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}
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