mirror of
https://github.com/gamedig/node-gamedig.git
synced 2024-09-07 11:31:28 +02:00
91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
var async = require('async');
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module.exports = require('./core').extend({
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run: function(state) {
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var self = this;
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var len;
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async.series([
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function(c) {
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self.sendPacket('i',function(reader) {
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state.password = !!reader.uint(1);
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state.raw.numplayers = reader.uint(2);
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state.maxplayers = reader.uint(2);
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state.name = self.readString(reader,4);
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state.raw.gamemode = self.readString(reader,4);
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self.map = self.readString(reader,4);
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c();
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});
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},
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function(c) {
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self.sendPacket('r',function(reader) {
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var ruleCount = reader.uint(2);
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state.raw.rules = {};
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for(var i = 0; i < ruleCount; i++) {
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var key = self.readString(reader,1);
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var value = self.readString(reader,1);
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state.raw.rules[key] = value;
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}
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if('mapname' in state.raw.rules)
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state.map = state.raw.rules.mapname;
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c();
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});
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},
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function(c) {
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self.sendPacket('d',function(reader) {
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var playerCount = reader.uint(2);
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for(var i = 0; i < playerCount; i++) {
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var player = {};
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player.id = reader.uint(1);
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player.name = self.readString(reader,1);
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player.score = reader.int(4);
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player.ping = reader.uint(4);
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state.players.push(player);
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}
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c();
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},function() {
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for(var i = 0; i < state.raw.numplayers; i++) {
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state.players.push({});
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}
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});
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},
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function(c) {
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self.finish(state);
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}
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]);
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},
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readString: function(reader,lenBytes) {
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var length = reader.uint(lenBytes);
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if(!length) return '';
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var string = reader.string({length:length});
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return string;
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},
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sendPacket: function(type,onresponse,ontimeout) {
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var self = this;
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var outbuffer = new Buffer(11);
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outbuffer.writeUInt32BE(0x53414D50,0);
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var ipSplit = self.options.address.split('.');
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outbuffer.writeUInt8(parseInt(ipSplit[0]),4);
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outbuffer.writeUInt8(parseInt(ipSplit[1]),5);
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outbuffer.writeUInt8(parseInt(ipSplit[2]),6);
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outbuffer.writeUInt8(parseInt(ipSplit[3]),7);
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outbuffer.writeUInt16LE(self.options.port,8);
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outbuffer.writeUInt8(type.charCodeAt(0),10);
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this.udpSend(outbuffer,function(buffer) {
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var reader = self.reader(buffer);
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for(var i = 0; i < outbuffer.length; i++) {
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if(outbuffer.readUInt8(i) !== reader.uint(1)) return;
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}
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onresponse(reader);
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return true;
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},function() {
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if(ontimeout) {
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ontimeout();
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return true;
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}
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});
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}
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});
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