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brainlet/libbrainlet/gatewayconnection.js
2020-12-05 22:56:41 +02:00

88 lines
No EOL
2.8 KiB
JavaScript

const io = require('socket.io-client');
const EventEmitter = require('events');
class GatewayConnection extends EventEmitter {
constructor(url) {
super();
this.isConnected = false;
this.socket = null;
this.url = url;
}
}
GatewayConnection.prototype.disconnect = function() {
if (this.socket) this.socket.disconnect();
this.socket = null;
this.isConnected = false;
};
GatewayConnection.prototype.connect = function(token) {
console.log('[*] [gateway] [handshake] Trying to connect to gateway');
this.socket = io(`${this.url}/gateway`, {
query: {
token
},
transports: ['websocket']
});
this.socket.on('connect', () => {
this.socket.once('hello', (debugInfo) => {
console.log('[*] [gateway] [handshake] Got hello from server, sending yoo...', debugInfo);
this.socket.emit('yoo');
this.isConnected = true;
this.debugInfo = debugInfo;
this.emit('connect', { message: 'CONNECT_RECEIVED_HELLO' });
console.log('[*] [gateway] [handshake] Assuming that server received yoo and that connection is completed.');
});
})
this.socket.on('error', (e) => {
console.log('[E] [gateway] Gateway error', e);
this.isConnected = false;
this.socket = null;
this.emit('disconnect', { message: 'DISCONNECT_ERR' });
});
this.socket.on('disconnectNotification', (e) => {
console.log('[E] [gateway] Received disconnect notfication', e);
this.isConnected = false;
this.socket = null;
this.emit('disconnect', { message: 'DISCONNECT_NOTIF', reason: e });
});
this.socket.on('disconnect', (e) => {
console.log('[E] [gateway] Disconnected from gateway: ', e);
this.isConnected = false;
this.emit('disconnect', { message: 'DISCONNECT', reason: e });
});
this.socket.on('message', (e) => this.emit('message', e));
this.socket.on('refreshClient', (e) => this.emit('refreshClient', e));
this.socket.on('clientListUpdate', (e) => this.emit('clientListUpdate', e));
};
GatewayConnection.prototype.sendMessage = function(categoryId, content, { nickAuthor, destUser }) {
if (!this.isConnected) return 1;
if (content.length >= 2000) return 1;
this.socket.emit('message', {
category: {
_id: categoryId
},
nickAuthor,
destUser,
content
});
};
GatewayConnection.prototype.subscribeToCategoryChat = function(categoryId) {
if (!this.isConnected) return;
const request = [categoryId];
console.log('[*] [gateway] Subscribing to channel(s)', request);
this.socket.emit('subscribe', request);
return categoryId;
};
module.exports = GatewayConnection;