Proper aggregator

This commit is contained in:
maciejhirsz
2018-06-20 17:14:16 +02:00
parent 294ff40882
commit 8561531782
2 changed files with 23 additions and 20 deletions
+4 -7
View File
@@ -1,20 +1,17 @@
import * as WebSocket from 'ws';
import Node from './node';
import Aggregator from './aggregator';
const wss = new WebSocket.Server({ port: 1024 });
const nodes = new WeakSet();
const aggregator = new Aggregator;
wss.on('connection', async (socket: WebSocket) => {
let node: Node;
try {
node = await Node.fromSocket(socket);
aggregator.add(await Node.fromSocket(socket));
} catch (err) {
console.error(err);
return;
}
nodes.add(node);
node.once('disconnect', () => nodes.delete(node));
});
+19 -13
View File
@@ -5,21 +5,26 @@ import { parseMessage, getBestBlock, Message, BestBlock } from './message';
const BLOCK_TIME_HISTORY = 10;
let idDispenser = 0;
export default class Node extends EventEmitter {
private id: number;
public id: number;
public name: string;
public implementation: string;
public version: string;
public height: number = 0;
public config: string;
public latency: number = 0;
public blockTime: number = 0;
private socket: WebSocket;
private name: string;
private config: string;
private implementation: string;
private version: string;
private height: number = 0;
private blockTimes: Array<number> = new Array(BLOCK_TIME_HISTORY);
private lastBlockTime: Maybe<Date> = null;
private latency: number = 0;
private lastBlockAt: Maybe<Date> = null;
constructor(socket: WebSocket, name: string, config: string, implentation: string, version: string) {
super();
this.id = idDispenser++;
this.socket = socket;
this.name = name;
this.config = config;
@@ -86,6 +91,7 @@ export default class Node extends EventEmitter {
private disconnect() {
console.log(`${this.name} has disconnected`);
this.socket.removeAllListeners('message');
this.emit('disconnect');
}
@@ -100,19 +106,20 @@ export default class Node extends EventEmitter {
const blockTime = this.getBlockTime(time);
this.height = height;
this.lastBlockTime = time;
this.lastBlockAt = time;
this.blockTimes[height % BLOCK_TIME_HISTORY] = blockTime;
this.blockTime = blockTime;
console.log(`Best block for ${this.name} is ${this.height}, block time: ${blockTime / 1000}s, average: ${this.average / 1000}s | latency ${this.latency}`);
this.emit('block');
}
}
private getBlockTime(time: Date): number {
if (!this.lastBlockTime) {
if (!this.lastBlockAt) {
return 0;
}
return +time - +this.lastBlockTime;
return +time - +this.lastBlockAt;
}
get average(): number {
@@ -132,5 +139,4 @@ export default class Node extends EventEmitter {
return sum / accounted;
}
}