69 lines
1.8 KiB
JavaScript
69 lines
1.8 KiB
JavaScript
import path from 'path';
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import fs from 'fs';
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import { spawn, execSync } from 'child_process';
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import Lbry from 'lbry';
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export default class Daemon {
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static lbrynetPath =
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process.env.LBRY_DAEMON ||
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(process.env.NODE_ENV === 'production'
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? path.join(process.resourcesPath, 'static/daemon', 'lbrynet')
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: path.join(__static, 'daemon/lbrynet'));
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static headersPath =
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process.env.LBRY_DAEMON ||
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(process.env.NODE_ENV === 'production'
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? path.join(process.resourcesPath, 'static/daemon', 'headers')
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: path.join(__static, 'daemon/headers'));
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subprocess;
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handlers;
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constructor() {
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this.handlers = [];
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}
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launch() {
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let flags = ['start'];
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if (fs.existsSync(Daemon.headersPath)) {
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flags.push(`--initial-headers=${Daemon.headersPath}`);
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}
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this.subprocess = spawn(Daemon.lbrynetPath, flags);
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this.subprocess.stdout.on('data', data => console.log(`Daemon: ${data}`));
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this.subprocess.stderr.on('data', data => console.error(`Daemon: ${data}`));
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this.subprocess.on('exit', () => this.fire('exit'));
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this.subprocess.on('error', error => console.error(`Daemon error: ${error}`));
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}
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quit() {
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Lbry.stop()
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.then()
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.catch(() => {
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if (process.platform === 'win32') {
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try {
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execSync(`taskkill /pid ${this.subprocess.pid} /t /f`);
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} catch (error) {
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console.error(error.message);
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}
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} else {
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this.subprocess.kill();
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}
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});
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}
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// Follows the publish/subscribe pattern
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// Subscribe method
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on(event, handler, context = handler) {
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this.handlers.push({ event, handler: handler.bind(context) });
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}
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// Publish method
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fire(event, args) {
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this.handlers.forEach(topic => {
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if (topic.event === event) topic.handler(args);
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});
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}
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}
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