85 lines
2 KiB
JavaScript
85 lines
2 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
import { EventEmitter } from 'events';
|
||
|
|
import Connection from '../transport/Connection.mjs';
|
||
|
|
|
||
|
|
class Peer extends EventEmitter {
|
||
|
|
get address() { return this.connection.address; }
|
||
|
|
get port() { return this.connection.port; }
|
||
|
|
get remote_endpoint() {
|
||
|
|
return { address: this.address, port: this.port };
|
||
|
|
}
|
||
|
|
|
||
|
|
constructor(server, connection) {
|
||
|
|
super();
|
||
|
|
|
||
|
|
this.id = null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The parent server this Peer is part of.
|
||
|
|
* @type {PeerServer}
|
||
|
|
*/
|
||
|
|
this.server = server;
|
||
|
|
/**
|
||
|
|
* The underlying Connection.
|
||
|
|
* @type {Connection}
|
||
|
|
*/
|
||
|
|
this.connection = connection;
|
||
|
|
|
||
|
|
// Fetch the remote's id
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Accepts an existing connection as a new Peer.
|
||
|
|
* @param {Connection} connection The Connection to accept.
|
||
|
|
* @return {Promise} A Promise that resolves once the initial handshake is complete.
|
||
|
|
*/
|
||
|
|
__accept(connection) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.connection = connection;
|
||
|
|
this.connection.on("message-request-id", (msg) => {
|
||
|
|
this.connection.id = msg.my_id;
|
||
|
|
this.connection.send("id", { my_id: this.server.our_id })
|
||
|
|
.then(resolve, reject);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initiates the handshake after opening a new connection.
|
||
|
|
* @return {Promise} A Promise that resolves after the initial peer handshake is complete.
|
||
|
|
*/
|
||
|
|
__initiate() {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
this.connection.send("request-id", { my_id: this.server.our_id })
|
||
|
|
.then(() => {
|
||
|
|
this.connection.once("message-id", (msg) => {
|
||
|
|
this.id = msg.my_id;
|
||
|
|
|
||
|
|
this.emit("connect");
|
||
|
|
resolve();
|
||
|
|
});
|
||
|
|
}, reject);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
async destroy() {
|
||
|
|
await this.connection.destroy();
|
||
|
|
this.emit("destroy");
|
||
|
|
this.removeAllListeners();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Peer.Initiate = function(server, address, port) {
|
||
|
|
const conn = await Connection.Create(server.secret_join, address, port);
|
||
|
|
const peer = new Peer(server, conn);
|
||
|
|
await peer.__initiate();
|
||
|
|
}
|
||
|
|
|
||
|
|
Peer.Accept = function(server, connection) {
|
||
|
|
const peer = new Peer(server);
|
||
|
|
await peer.__accept(connection);
|
||
|
|
}
|
||
|
|
|
||
|
|
export default Peer;
|