feat(p2p): peers limitation to prevent connection spam

src/background/config.js

@@ -9,7 +9,10 @@ let config = {
 	spiderPort: 4445,
 	udpTrackersPort: 4446,
 	udpTrackersTimeout: 3 * 60 * 1000, 
+
 	p2p: true,
+	p2pConnections: 10,
+
 	upnp: true,
 
 	sitemapMaxSize: 25000,
@@ -54,6 +57,13 @@ if(app && app.getPath("userData") && app.getPath("userData").length > 0)
 
 const configProxy = new Proxy(config, {
 	set: (target, prop, value, receiver) => {
+		// some values check (important!)
+		if(prop == 'p2pConnections' && value < 10)
+			value = 10
+		if(prop == 'p2pConnections' && value > 300)
+			value = 300
+
+
 		target[prop] = value
 
 	    if(!fs.existsSync(configPath))

src/background/p2p.js

@@ -13,7 +13,11 @@ class p2p {
 	{
 		this.send = send
 		this.tcpServer = net.createServer();
+		this.tcpServer.maxConnections = config.p2pConnections * 2;
 		this.tcpServer.on('connection', (socket) => {
+			this.tcpServer.getConnections((err, count) => {
+				console.log('connection', count)
+			})
 			socket = new JsonSocket(socket);
 			socket.on('error', (err) => {})
 			socket.on('message', (message) => {    
@@ -93,7 +97,7 @@ class p2p {
 	add(address) {
 		const { peers } = this
 
-		if(this.size > 10)
+		if(this.size > config.p2pConnections)
 			return;
 
 		if(address.port <= 1 || address.port > 65535)