minecraft-java-core
Version:
A library starting minecraft game NW.js and Electron.js
94 lines • 3.05 kB
JavaScript
;
/**
* This code is distributed under the CC-BY-NC 4.0 license:
* https://creativecommons.org/licenses/by-nc/4.0/
*
* Original author: Luuxis
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const net_1 = __importDefault(require("net"));
const buffer_js_1 = __importDefault(require("./buffer.js"));
function ping(server, port, callback, timeout, protocol = '') {
let start = new Date();
let socket = net_1.default.connect({
port: port,
host: server
}, () => {
let handshakeBuffer = new buffer_js_1.default();
handshakeBuffer.writeletInt(0);
handshakeBuffer.writeletInt(protocol);
handshakeBuffer.writeString(server);
handshakeBuffer.writeUShort(port);
handshakeBuffer.writeletInt(1);
writePCBuffer(socket, handshakeBuffer);
let setModeBuffer = new buffer_js_1.default();
setModeBuffer.writeletInt(0);
writePCBuffer(socket, setModeBuffer);
});
socket.setTimeout(timeout, () => {
if (callback)
callback(new Error("Socket timed out when connecting to " + server + ":" + port), null);
socket.destroy();
});
let readingBuffer = Buffer.alloc(0);
socket.on('data', data => {
readingBuffer = Buffer.concat([readingBuffer, data]);
let buffer = new buffer_js_1.default(readingBuffer);
let length;
try {
length = buffer.readletInt();
}
catch (err) {
return;
}
if (readingBuffer.length < length - buffer.offset())
return;
buffer.readletInt();
try {
let end = new Date();
let json = JSON.parse(buffer.readString());
callback(null, {
error: false,
ms: Math.round(end - start),
version: json.version.name,
playersConnect: json.players.online,
playersMax: json.players.max
});
}
catch (err) {
return callback(err, null);
}
socket.destroy();
});
socket.once('error', err => {
if (callback)
callback(err, null);
socket.destroy();
});
}
;
function writePCBuffer(client, buffer) {
let length = new buffer_js_1.default();
length.writeletInt(buffer.buffer().length);
client.write(Buffer.concat([length.buffer(), buffer.buffer()]));
}
class status {
constructor(ip = '0.0.0.0', port = 25565) {
this.ip = ip;
this.port = port;
}
async getStatus() {
return await new Promise((resolve, reject) => {
ping(this.ip, this.port, (err, res) => {
if (err)
return reject({ error: err });
return resolve(res);
}, 3000);
});
}
}
exports.default = status;
//# sourceMappingURL=status.js.map