mirror of
https://github.com/tribufu/node-gamedig
synced 2026-05-06 15:17:36 +00:00
More async conversions
This commit is contained in:
mmorrison
parent
77b2cc1c7f
commit
9b8423b20a
15 changed files with 859 additions and 704 deletions
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@ -1,5 +1,5 @@
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const async = require('async'),
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Core = require('./core');
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const Core = require('./core'),
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HexUtil = require('../lib/HexUtil');
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class Gamespy3 extends Core {
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constructor() {
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@ -12,143 +12,129 @@ class Gamespy3 extends Core {
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this.isJc2mp = false;
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}
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run(state) {
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let challenge;
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async run(state) {
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let challenge = null;
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if (!this.noChallenge) {
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const buffer = await this.sendPacket(9, false, false, false);
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const reader = this.reader(buffer);
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challenge = parseInt(reader.string());
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}
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let requestPayload;
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if(this.isJc2mp) {
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// they completely alter the protocol. because why not.
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requestPayload = Buffer.from([0xff,0xff,0xff,0x02]);
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} else {
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requestPayload = Buffer.from([0xff,0xff,0xff,0x01]);
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}
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/** @type Buffer[] */
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let packets;
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const packets = await this.sendPacket(0,challenge,requestPayload,true);
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async.series([
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(c) => {
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if(this.noChallenge) return c();
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this.sendPacket(9,false,false,false,(buffer) => {
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const reader = this.reader(buffer);
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challenge = parseInt(reader.string());
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c();
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});
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},
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(c) => {
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let requestPayload;
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if(this.isJc2mp) {
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// they completely alter the protocol. because why not.
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requestPayload = Buffer.from([0xff,0xff,0xff,0x02]);
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} else {
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requestPayload = Buffer.from([0xff,0xff,0xff,0x01]);
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}
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// iterate over the received packets
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// the first packet will start off with k/v pairs, followed with data fields
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// the following packets will only have data fields
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state.raw.playerTeamInfo = {};
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this.sendPacket(0,challenge,requestPayload,true,(b) => {
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packets = b;
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c();
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});
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},
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(c) => {
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// iterate over the received packets
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// the first packet will start off with k/v pairs, followed with data fields
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// the following packets will only have data fields
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for(let iPacket = 0; iPacket < packets.length; iPacket++) {
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const packet = packets[iPacket];
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const reader = this.reader(packet);
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state.raw.playerTeamInfo = {};
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for(let iPacket = 0; iPacket < packets.length; iPacket++) {
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const packet = packets[iPacket];
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const reader = this.reader(packet);
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if(this.debug) {
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console.log("+++"+packet.toString('hex'));
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console.log(":::"+packet.toString('ascii'));
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}
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// Parse raw server key/values
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if(iPacket === 0) {
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while(!reader.done()) {
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const key = reader.string();
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if(!key) break;
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let value = reader.string();
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// reread the next line if we hit the weird ut3 bug
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if(value === 'p1073741829') value = reader.string();
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state.raw[key] = value;
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}
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}
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// Parse player, team, item array state
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if(this.isJc2mp) {
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state.raw.numPlayers2 = reader.uint(2);
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while(!reader.done()) {
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const player = {};
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player.name = reader.string();
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player.steamid = reader.string();
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player.ping = reader.uint(2);
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state.players.push(player);
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}
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} else {
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let firstMode = true;
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while(!reader.done()) {
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let mode = reader.string();
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if(mode.charCodeAt(0) <= 2) mode = mode.substring(1);
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if(!mode) continue;
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let offset = 0;
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if(iPacket !== 0 && firstMode) offset = reader.uint(1);
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reader.skip(1);
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firstMode = false;
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const modeSplit = mode.split('_');
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const modeName = modeSplit[0];
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const modeType = modeSplit.length > 1 ? modeSplit[1] : 'no_';
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if(!(modeType in state.raw.playerTeamInfo)) {
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state.raw.playerTeamInfo[modeType] = [];
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}
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const store = state.raw.playerTeamInfo[modeType];
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while(!reader.done()) {
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const item = reader.string();
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if(!item) break;
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while(store.length <= offset) { store.push({}); }
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store[offset][modeName] = item;
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offset++;
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}
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}
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}
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}
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c();
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},
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(c) => {
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// Turn all that raw state into something useful
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if('hostname' in state.raw) state.name = state.raw.hostname;
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else if('servername' in state.raw) state.name = state.raw.servername;
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if('mapname' in state.raw) state.map = state.raw.mapname;
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if(state.raw.password === '1') state.password = true;
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if('maxplayers' in state.raw) state.maxplayers = parseInt(state.raw.maxplayers);
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if('' in state.raw.playerTeamInfo) {
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for (const playerInfo of state.raw.playerTeamInfo['']) {
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const player = {};
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for(const from of Object.keys(playerInfo)) {
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let key = from;
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let value = playerInfo[from];
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if(key === 'player') key = 'name';
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if(key === 'score' || key === 'ping' || key === 'team' || key === 'deaths' || key === 'pid') value = parseInt(value);
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player[key] = value;
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}
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state.players.push(player);
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}
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}
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this.finish(state);
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if(this.debug) {
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console.log("Parsing packet #" + iPacket);
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console.log(HexUtil.debugDump(packet));
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}
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]);
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// Parse raw server key/values
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if(iPacket === 0) {
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while(!reader.done()) {
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const key = reader.string();
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if(!key) break;
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let value = reader.string();
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while(value.match(/^p[0-9]+$/)) {
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// fix a weird ut3 bug where some keys don't have values
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value = reader.string();
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}
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state.raw[key] = value;
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if (this.debug) console.log(key + " = " + value);
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}
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}
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// Parse player, team, item array state
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if(this.isJc2mp) {
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state.raw.numPlayers2 = reader.uint(2);
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while(!reader.done()) {
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const player = {};
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player.name = reader.string();
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player.steamid = reader.string();
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player.ping = reader.uint(2);
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state.players.push(player);
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}
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} else {
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let firstMode = true;
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while(!reader.done()) {
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if (reader.uint(1) <= 2) continue;
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reader.skip(-1);
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let fieldId = reader.string();
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if(!fieldId) continue;
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const fieldIdSplit = fieldId.split('_');
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const fieldName = fieldIdSplit[0];
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const itemType = fieldIdSplit.length > 1 ? fieldIdSplit[1] : 'no_';
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if(!(itemType in state.raw.playerTeamInfo)) {
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state.raw.playerTeamInfo[itemType] = [];
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}
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const items = state.raw.playerTeamInfo[itemType];
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let offset = reader.uint(1);
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firstMode = false;
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if (this.debug) {
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console.log("Parsing new field: itemType=" + itemType + " fieldName=" + fieldName + " startOffset=" + offset);
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}
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while(!reader.done()) {
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const item = reader.string();
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if(!item) break;
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while(items.length <= offset) { items.push({}); }
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items[offset][fieldName] = item;
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if (this.debug) console.log("* " + item);
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offset++;
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}
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}
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}
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}
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// Turn all that raw state into something useful
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if('hostname' in state.raw) state.name = state.raw.hostname;
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else if('servername' in state.raw) state.name = state.raw.servername;
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if('mapname' in state.raw) state.map = state.raw.mapname;
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if(state.raw.password === '1') state.password = true;
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if('maxplayers' in state.raw) state.maxplayers = parseInt(state.raw.maxplayers);
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if('' in state.raw.playerTeamInfo) {
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for (const playerInfo of state.raw.playerTeamInfo['']) {
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const player = {};
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for(const from of Object.keys(playerInfo)) {
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let key = from;
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let value = playerInfo[from];
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if(key === 'player') key = 'name';
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if(key === 'score' || key === 'ping' || key === 'team' || key === 'deaths' || key === 'pid') value = parseInt(value);
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player[key] = value;
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}
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state.players.push(player);
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}
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}
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}
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sendPacket(type,challenge,payload,assemble,c) {
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const challengeLength = (this.noChallenge || challenge === false) ? 0 : 4;
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async sendPacket(type,challenge,payload,assemble) {
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const challengeLength = challenge === null ? 0 : 4;
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const payloadLength = payload ? payload.length : 0;
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const b = Buffer.alloc(7 + challengeLength + payloadLength);
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@ -161,7 +147,7 @@ class Gamespy3 extends Core {
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let numPackets = 0;
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const packets = {};
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this.udpSend(b,(buffer) => {
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return this.udpSend(b,(buffer) => {
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const reader = this.reader(buffer);
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const iType = reader.uint(1);
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if(iType !== type) return;
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@ -169,14 +155,12 @@ class Gamespy3 extends Core {
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if(iSessionId !== this.sessionId) return;
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if(!assemble) {
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c(reader.rest());
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return true;
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return reader.rest();
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}
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if(this.useOnlySingleSplit) {
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// has split headers, but they are worthless and only one packet is used
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reader.skip(11);
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c([reader.rest()]);
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return true;
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return [reader.rest()];
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}
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reader.skip(9); // filler data -- usually set to 'splitnum\0'
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@ -199,13 +183,11 @@ class Gamespy3 extends Core {
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const list = [];
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for(let i = 0; i < numPackets; i++) {
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if(!(i in packets)) {
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this.fatal('Missing packet #'+i);
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return true;
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throw new Error('Missing packet #'+i);
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}
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list.push(packets[i]);
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}
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c(list);
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return true;
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return list;
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});
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}
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}
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