mirror of
https://github.com/gamedig/node-gamedig.git
synced 2024-09-06 02:51:30 +02:00
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
const dgram = require('dgram'),
|
|
HexUtil = require('./HexUtil');
|
|
|
|
class GlobalUdpSocket {
|
|
constructor() {
|
|
this.socket = null;
|
|
this.callbacks = new Set();
|
|
this.debug = false;
|
|
}
|
|
|
|
_getSocket() {
|
|
if (!this.socket) {
|
|
const udpSocket = this.socket = dgram.createSocket('udp4');
|
|
udpSocket.unref();
|
|
udpSocket.bind();
|
|
udpSocket.on('message', (buffer, rinfo) => {
|
|
for (const cb of this.callbacks) {
|
|
cb(rinfo.address, rinfo.port, buffer);
|
|
}
|
|
});
|
|
udpSocket.on('error', (e) => {
|
|
if (this.debug) {
|
|
console.log("UDP ERROR: " + e);
|
|
}
|
|
});
|
|
}
|
|
return this.socket;
|
|
}
|
|
|
|
send(buffer, address, port) {
|
|
this._getSocket().send(buffer,0,buffer.length,port,address);
|
|
}
|
|
|
|
addCallback(callback) {
|
|
this.callbacks.add(callback);
|
|
}
|
|
removeCallback(callback) {
|
|
this.callbacks.delete(callback);
|
|
}
|
|
}
|
|
|
|
module.exports = GlobalUdpSocket;
|