nope/lib/communication/IoSocketServer.ts
Martin Karkowski 84ba9ddf20 Rename File
2020-09-11 14:07:31 +02:00

75 lines
2.2 KiB
TypeScript

import { Server } from "http";
import * as io from 'socket.io';
import { Logger } from "winston";
import { CommunicationEvents, ICommunicationInterface } from "../dispatcher/nopeDispatcher";
import { getLogger } from "../logger/getLogger";
/**
* Communication Layer using IO-Sockets.
*
* @export
* @class IoSocketServer
* @implements {ICommunicationInterface}
*/
export class IoSocketServer implements ICommunicationInterface {
protected _socket: io.Server
protected _sockets: Set<io.Socket>;
protected _funcs: Set<(...args: any[]) => void>;
protected _logger: Logger;
/**
* Creates an instance of IoSocketServer.
* @param {number} port The Port, on which the Server should be hosted
* @param {Server} [server] A Server shich should be used. (Otherwise a Server is created)
* @memberof IoSocketServer
*/
constructor(public port: number, server?: Server) {
if (server) {
this._socket = (io as any)(server);
} else {
this._socket = (io as any)();
}
this._logger = getLogger('info', 'IO-Socket');
this._socket.listen(port);
const _this = this;
this._socket.on('connection', (client) => {
_this._logger.debug('New Connection established: ' + client.id);
// Add the Elements to the Client
_this._sockets.add(client);
// Subscribe to Loosing connection:
client.on('disconnect', () => {
_this._logger.debug('Connection of : ' + client.id + ' lost.');
_this._sockets.delete(client);
});
// Forward the Messages
client.on('task', (...args) => {
_this._logger.debug('received content: ', ...args);
for (const _func of _this._funcs) {
_func(...args)
}
});
})
this._sockets = new Set();
this._funcs = new Set<(...args: any[]) => void>();
}
on(events: CommunicationEvents, cb: (...args: any[]) => void) {
this._funcs.add(cb);
}
send(data: any): void {
this._logger.debug('sending', data);
this._socket.emit('task', data);
}
}