Telegram Web K with changes to work inside I2P
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55 lines
1.6 KiB
55 lines
1.6 KiB
import AppStorage from '../storage'; |
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import { longFromInts } from './bin_utils'; |
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import { nextRandomInt } from '../../helpers/random'; |
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export class TimeManager { |
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private lastMessageId = [0, 0]; |
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private timeOffset = 0; |
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constructor() { |
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AppStorage.get('server_time_offset').then((to: any) => { |
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if(to) { |
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this.timeOffset = to; |
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} |
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}); |
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} |
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public generateId(): string { |
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const timeTicks = Date.now(), |
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timeSec = Math.floor(timeTicks / 1000) + this.timeOffset, |
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timeMSec = timeTicks % 1000, |
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random = nextRandomInt(0xFFFF); |
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let messageId = [timeSec, (timeMSec << 21) | (random << 3) | 4]; |
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if(this.lastMessageId[0] > messageId[0] || |
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this.lastMessageId[0] == messageId[0] && this.lastMessageId[1] >= messageId[1]) { |
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messageId = [this.lastMessageId[0], this.lastMessageId[1] + 4]; |
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} |
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this.lastMessageId = messageId; |
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const ret = longFromInts(messageId[0], messageId[1]); |
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//console.log('[TimeManager]: Generated msg id', messageId, this.timeOffset, ret); |
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return ret |
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} |
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public applyServerTime(serverTime: number, localTime?: number) { |
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localTime = (localTime || Date.now()) / 1000 | 0; |
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const newTimeOffset = serverTime - localTime; |
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const changed = Math.abs(this.timeOffset - newTimeOffset) > 10; |
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AppStorage.set({ |
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server_time_offset: newTimeOffset |
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}); |
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this.lastMessageId = [0, 0]; |
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this.timeOffset = newTimeOffset; |
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//console.log('[TimeManager]: Apply server time', serverTime, localTime, newTimeOffset, changed); |
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return changed; |
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} |
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} |
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export default new TimeManager();
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