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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | 1x 1x 12x 1x 4x 6x 6x 6x 6x 6x 6x 6x 3x 3x 3x 18x 9x | import { IncomingMessage } from 'http'; import { CtxtHandle } from '../../../lib/api'; interface Item { id: string; timestamp: number; handle: CtxtHandle; } // 2 minutes const DELAY = 1000 * 60 * 2; const getId = (req: IncomingMessage): string => { return req.socket.remoteAddress + '_' + req.socket.remotePort; }; export class ServerContextHandleManager { cache: Item[] = []; release(req: IncomingMessage) { this.refresh(); this.cache = this.cache.filter((v) => v.id !== getId(req)); } get(req: IncomingMessage) { this.refresh(); return this.cache.find((v) => v.id === getId(req))?.handle; } set(req: IncomingMessage, handle: CtxtHandle) { this.refresh(); const item = this.cache.find((v) => v.id === getId(req)); if (item) { item.handle = handle; return; } this.cache.push({ id: getId(req), handle, timestamp: new Date().getTime(), }); } refresh() { this.cache = this.cache.filter( (v) => v.timestamp > new Date().getTime() - DELAY ); } } |