Additional async rewrite

bin/gamedig.js

@@ -5,8 +5,8 @@ const argv = require('minimist')(process.argv.slice(2)),
 
 const debug = argv.debug;
 delete argv.debug;
-const pretty = !!argv.pretty;
+const pretty = !!argv.pretty || debug;
-delete argv.output;
+delete argv.pretty;
 
 const options = {};
 for(const key of Object.keys(argv)) {
@@ -14,14 +14,21 @@ for(const key of Object.keys(argv)) {
     if(
         key === '_'
         || key.charAt(0) === '$'
-        || (typeof value !== 'string' && typeof value !== 'number')
     )
         continue;
     options[key] = value;
 }
 
+if (argv._.length >= 1) {
+    const target = argv._[0];
+    const split = target.split(':');
+    options.host = split[0];
+    if (split.length >= 2) {
+        options.port = split[1];
+    }
+}
+
 if(debug) Gamedig.debug = true;
-Gamedig.isCommandLine = true;
 
 Gamedig.query(options)
     .then((state) => {

bin/genreadme.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 const fs = require('fs'),
-    TypeResolver = require('../lib/typeresolver');
+    TypeResolver = require('../lib/GameResolver');
 
 const generated = TypeResolver.printReadme();
 

games.txt

@@ -1,4 +1,4 @@
-# id | pretty | protocol | options | parameters
+# id | pretty name for readme | protocol | options | extra
 
 #### TODO:
 # cube1|Cube 1|cube|port=28786,port_query_offset=1
@@ -38,8 +38,8 @@ avp2|Aliens vs Predator 2|gamespy1|port=27888
 # both port and port_query should be specified when used
 avp2010|Aliens vs Predator 2010|valve
 
-americasarmy|America's Army|americasarmy|port=1716,port_query_offset=1
+americasarmy|America's Army|gamespy2|port=1716,port_query_offset=1
-americasarmy2|America's Army 2|americasarmy|port=1716,port_query_offset=1
+americasarmy2|America's Army 2|gamespy2|port=1716,port_query_offset=1
 americasarmy3|America's Army 3|valve|port=8777,port_query=27020
 americasarmypg|America's Army: Proving Grounds|valve|port=8777,port_query=27020
 
@@ -53,9 +53,9 @@ bat1944|Battalion 1944|valve|port=7777,port_query_offset=3
 
 bf1942|Battlefield 1942|gamespy1|port=14567,port_query=23000
 bfv|Battlefield Vietnam|gamespy2|port=15567,port_query=23000
-bf2|Battlefield 2|gamespy3|port=16567,port_query=29900|noChallenge
+bf2|Battlefield 2|gamespy3|port=16567,port_query=29900
 bf2142|Battlefield 2142|gamespy3|port=16567,port_query=29900
-bfbc2|Battlefield: Bad Company 2|battlefield|port=19567,port_query=48888|isBadCompany2
+bfbc2|Battlefield: Bad Company 2|battlefield|port=19567,port_query=48888
 bf3|Battlefield 3|battlefield|port=25200,port_query_offset=22000
 bf4|Battlefield 4|battlefield|port=25200,port_query_offset=22000
 bfh|Battlefield Hardline|battlefield|port=25200,port_query_offset=22000
@@ -113,7 +113,7 @@ doi|Day of Infamy|valve
 doom3|Doom 3|doom3|port=27666
 dota2|DOTA 2|valve
 drakan|Drakan|gamespy1|port=27045,port_query_offset=1
-etqw|Enemy Territory Quake Wars|doom3|port=3074,port_query=27733|isEtqw,hasSpaceBeforeClanTag,hasClanTag,hasTypeFlag
+etqw|Enemy Territory Quake Wars|doom3|port=3074,port_query=27733
 fear|F.E.A.R.|gamespy2|port_query=27888
 f12002|F1 2002|gamespy1|port_query=3297
 f1c9902|F1 Challenge 99-02|gamespy1|port_query=34397
@@ -168,9 +168,9 @@ mohbt|Medal of Honor: Breakthrough|gamespy1|port=12203,port_query_offset=97
 moh2010|Medal of Honor 2010|battlefield|port=7673,port_query=48888
 mohwf|Medal of Honor: Warfighter|battlefield|port=25200,port_query_offset=22000
 
-minecraft|Minecraft|minecraft|port=25565|srvRecord=_minecraft._tcp,doc_notes=minecraft
+minecraft|Minecraft|minecraft|port=25565|doc_notes=minecraft
 # Legacy name
-minecraftping||minecraft|port=25565|srvRecord=_minecraft._tcp,doc_notes=minecraft
+minecraftping||minecraft|port=25565|doc_notes=minecraft
 
 minecraftpe|Minecraft: Pocket Edition|gamespy3|port=19132,maxAttempts=2
 mnc|Monday Night Combat|valve|port=7777,port_query=27016
@@ -198,13 +198,13 @@ openttd|OpenTTD|openttd|port=3979
 operationflashpoint|Operation Flashpoint|gamespy1|port=2234,port_query_offset=1
 painkiller|Painkiller|ase|port=3455,port_query_offset=123
 postal2|Postal 2|gamespy1|port=7777,port_query_offset=1
-prey|Prey|doom3|port_query=27719
+prey|Prey|doom3|port=27719
 primalcarnage|Primal Carnage: Extinction|valve|port=7777,port_query=27015
 
 quake1|Quake 1: QuakeWorld|quake1|port=27500
 quake2|Quake 2|quake2|port=27910
 quake3|Quake 3: Arena|quake3|port=27960
-quake4|Quake 4|doom3|port=28004|hasClanTag
+quake4|Quake 4|doom3|port=28004
 
 ragdollkungfu|Rag Doll Kung Fu|valve
 
@@ -230,7 +230,7 @@ ss2|Serious Sam 2|gamespy2|port=25600
 shatteredhorizon|Shattered Horizon|valve
 ship|The Ship|valve
 shogo|Shogo|gamespy1|port_query=27888
-shootmania|Shootmania|nadeo||doc_notes=nadeo-shootmania--trackmania--etc
+shootmania|Shootmania|nadeo|port=2350,port_query=5000|doc_notes=nadeo-shootmania--trackmania--etc
 sin|SiN|gamespy1|port_query=22450
 sinep|SiN Episodes|valve
 soldat|Soldat|ase|port=13073,port_query_offset=123
@@ -266,8 +266,8 @@ thps3|Tony Hawk's Pro Skater 3|gamespy1|port_query=6500
 thps4|Tony Hawk's Pro Skater 4|gamespy1|port_query=6500
 thu2|Tony Hawk's Underground 2|gamespy1|port_query=5153
 towerunite|Tower Unite|valve
-trackmania2|Trackmania 2|nadeo||doc_notes=nadeo-shootmania--trackmania--etc
+trackmania2|Trackmania 2|nadeo|port=2350,port_query=5000|doc_notes=nadeo-shootmania--trackmania--etc
-trackmaniaforever|Trackmania Forever|nadeo||doc_notes=nadeo-shootmania--trackmania--etc
+trackmaniaforever|Trackmania Forever|nadeo|port=2350,port_query=5000|doc_notes=nadeo-shootmania--trackmania--etc
 tremulous|Tremulous|quake3|port_query=30720
 tribes1|Tribes 1: Starsiege|tribes1|port=28001
 tribesvengeance|Tribes: Vengeance|gamespy2|port=7777,port_query_offset=1
@@ -289,7 +289,7 @@ vietcong|Vietcong|gamespy1|port=5425,port_query=15425
 vietcong2|Vietcong 2|gamespy2|port=5001,port_query=19967
 warsow|Warsow|warsow|port=44400
 wheeloftime|Wheel of Time|gamespy1|port=7777,port_query_offset=1
-wolfenstein2009|Wolfenstein 2009|doom3|port_query=27666|hasSpaceBeforeClanTag,hasClanTag,hasTypeFlag
+wolfenstein2009|Wolfenstein 2009|doom3|port=27666
 wolfensteinet|Wolfenstein: Enemy Territory|quake3|port_query=27960
 xpandrally|Xpand Rally|ase|port=28015,port_query_offset=123
 zombiemaster|Zombie Master|valve

lib/GameResolver.js

@@ -0,0 +1,84 @@
+const Path = require('path'),
+    fs = require('fs');
+
+class GameResolver {
+    constructor() {
+        this.games = this._readGames();
+    }
+
+    lookup(type) {
+        if(!type) throw Error('No game specified');
+
+        if(type.substr(0,9) === 'protocol-') {
+            return {
+                protocol: type.substr(9)
+            };
+        }
+
+        const game = this.games.get(type);
+        if(!game) throw Error('Invalid game: '+type);
+        return game.options;
+    }
+
+    printReadme() {
+        let out = '';
+        for(const key of Object.keys(games)) {
+            const game = games[key];
+            if (!game.pretty) {
+                continue;
+            }
+            out += "* "+game.pretty+" ("+key+")";
+            if(game.options.port_query_offset || game.options.port_query)
+                out += " [[Separate Query Port](#separate-query-port)]";
+            if(game.extra.doc_notes)
+                out += " [[Additional Notes](#"+game.extra.doc_notes+")]";
+            out += "\n";
+        }
+        return out;
+    }
+
+    _readGames() {
+        const gamesFile = Path.normalize(__dirname+'/../games.txt');
+        const lines = fs.readFileSync(gamesFile,'utf8').split('\n');
+        const games = new Map();
+
+        for (let line of lines) {
+            // strip comments
+            const comment = line.indexOf('#');
+            if(comment !== -1) line = line.substr(0,comment);
+            line = line.trim();
+            if(!line) continue;
+
+            const split = line.split('|');
+            const gameId = split[0].trim();
+            const options = this._parseList(split[3]);
+            options.protocol = split[2].trim();
+
+            games.set(gameId, {
+                pretty: split[1].trim(),
+                options: options,
+                extra: this._parseList(split[4])
+            });
+        }
+        return games;
+    }
+
+    _parseList(str) {
+        if(!str) return {};
+        const out = {};
+        for (const one of str.split(',')) {
+            const equals = one.indexOf('=');
+            const key = equals === -1 ? one : one.substr(0,equals);
+            let value = equals === -1 ? '' : one.substr(equals+1);
+
+            if(value === 'true' || value === '') value = true;
+            else if(value === 'false') value = false;
+            else if(!isNaN(parseInt(value))) value = parseInt(value);
+
+            out[key] = value;
+        }
+        return out;
+    }
+}
+
+module.exports = GameResolver;

lib/GlobalUdpSocket.js

@@ -0,0 +1,42 @@
+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;

lib/Promises.js

@@ -0,0 +1,20 @@
+class Promises {
+    static createTimeout(timeoutMs, timeoutMsg) {
+        let cancel = null;
+        const wrapped = new Promise((res, rej) => {
+            const timeout = setTimeout(
+                () => {
+                    rej(new Error(timeoutMsg + " - Timed out after " + timeoutMs + "ms"));
+                },
+                timeoutMs
+            );
+            cancel = () => {
+                clearTimeout(timeout);
+            };
+        });
+        wrapped.cancel = cancel;
+        return wrapped;
+    }
+}
+
+module.exports = Promises;

lib/ProtocolResolver.js

@@ -0,0 +1,22 @@
+const Path = require('path'),
+    fs = require('fs'),
+    Core = require('../protocols/core');
+
+class ProtocolResolver {
+    constructor() {
+        this.protocolDir = Path.normalize(__dirname+'/../protocols');
+    }
+
+    /**
+     * @returns Core
+     */
+    create(protocolId) {
+        protocolId = Path.basename(protocolId);
+        const path = this.protocolDir+'/'+protocolId;
+        if(!fs.existsSync(path+'.js')) throw Error('Protocol definition file missing: '+type);
+        const protocol = require(path);
+        return new protocol();
+    }
+}
+
+module.exports = ProtocolResolver;

lib/QueryRunner.js

@@ -0,0 +1,103 @@
+const GameResolver = require('./GameResolver'),
+    ProtocolResolver = require('./ProtocolResolver');
+
+const defaultOptions = {
+    socketTimeout: 2000,
+    attemptTimeout: 10000,
+    maxAttempts: 1
+};
+
+class QueryRunner {
+    constructor(udpSocket, debug) {
+        this.debug = debug;
+        this.udpSocket = udpSocket;
+        this.gameResolver = new GameResolver();
+        this.protocolResolver = new ProtocolResolver();
+    }
+    async run(userOptions) {
+        for (const key of Object.keys(userOptions)) {
+            const value = userOptions[key];
+            if (['port'].includes(key)) {
+                userOptions[key] = parseInt(value);
+            }
+        }
+
+        const {
+            port_query: gameQueryPort,
+            port_query_offset: gameQueryPortOffset,
+            ...gameOptions
+        } = this.gameResolver.lookup(userOptions.type);
+        const attempts = [];
+
+        if (userOptions.port) {
+            if (gameQueryPortOffset) {
+                attempts.push({
+                    ...defaultOptions,
+                    ...gameOptions,
+                    ...userOptions,
+                    port: userOptions.port + gameQueryPortOffset
+                });
+            }
+            if (userOptions.port === gameOptions.port && gameQueryPort) {
+                attempts.push({
+                    ...defaultOptions,
+                    ...gameOptions,
+                    ...userOptions,
+                    port: gameQueryPort
+                });
+            }
+            attempts.push({
+                ...defaultOptions,
+                ...gameOptions,
+                ...userOptions
+            });
+        } else if (gameQueryPort) {
+            attempts.push({
+                ...defaultOptions,
+                ...gameOptions,
+                ...userOptions,
+                port: gameQueryPort
+            });
+        } else if (gameOptions.port) {
+            attempts.push({
+                ...defaultOptions,
+                ...gameOptions,
+                ...userOptions
+            });
+        } else {
+            throw new Error("Could not determine port to query. Did you provide a port or gameid?");
+        }
+
+        if (attempts.length === 1) {
+            return await this._attempt(attempts[0]);
+        } else {
+            const errors = [];
+            for (const attempt of attempts) {
+                try {
+                    return await this._attempt(attempt);
+                } catch(e) {
+                    const e2 = new Error('Failed to query port ' + attempt.port);
+                    e2.stack += "\nCaused by:\n" + e.stack;
+                    errors.push(e2);
+                }
+            }
+
+            const err = new Error('Failed all port attempts');
+            err.stack = errors.map(e => e.stack).join('\n');
+            throw err;
+        }
+    }
+
+    async _attempt(options) {
+        if (this.debug) {
+            console.log("Running attempt with options:");
+            console.log(options);
+        }
+        const core = this.protocolResolver.create(options.protocol);
+        core.options = options;
+        core.udpSocket = this.udpSocket;
+        return await core.runAllAttempts();
+    }
+}
+
+module.exports = QueryRunner;

lib/index.js

@@ -1,87 +1,48 @@
-const dgram = require('dgram'),
+const QueryRunner = require('./QueryRunner'),
-    TypeResolver = require('./typeresolver'),
+    GlobalUdpSocket = require('./GlobalUdpSocket');
-    HexUtil = require('./HexUtil');
 
-const activeQueries = new Set();
+let singleton = null;
-
-const udpSocket = dgram.createSocket('udp4');
-udpSocket.unref();
-udpSocket.bind();
-udpSocket.on('message', (buffer, rinfo) => {
-    if(Gamedig.debug) {
-        console.log(rinfo.address+':'+rinfo.port+" <--UDP");
-        console.log(HexUtil.debugDump(buffer));
-    }
-    for(const query of activeQueries) {
-        if(query.options.address !== rinfo.address) continue;
-        if(query.options.port_query !== rinfo.port) continue;
-        query._udpIncoming(buffer);
-        break;
-    }
-});
-udpSocket.on('error', (e) => {
-    if(Gamedig.debug) console.log("UDP ERROR: "+e);
-});
 
 class Gamedig {
-
+    constructor() {
-    static query(options,callback) {
+        this.udpSocket = new GlobalUdpSocket();
-        const promise = (async () => {
+        this.queryRunner = new QueryRunner(this.udpSocket);
-            for (const key of Object.keys(options)) {
+        this._debug = false;
-                if (['port_query', 'port'].includes(key)) {
-                    options[key] = parseInt(options[key]);
-                }
     }
 
-            let query = TypeResolver.lookup(options.type);
+    setDebug(on) {
-            query.debug = Gamedig.debug;
+        this.udpSocket.debug = on;
-            query.udpSocket = udpSocket;
+        this._debug = on;
-            query.type = options.type;
+        this.queryRunner.debug = on;
-
-            if(!('port' in query.options) && ('port_query' in query.options)) {
-                if(Gamedig.isCommandLine) {
-                    process.stderr.write(
-                        "Warning! This game is so old, that we don't know"
-                        +" what the server's connection port is. We've guessed that"
-                        +" the query port for "+query.type+" is "+query.options.port_query+"."
-                        +" If you know the connection port for this type of server, please let"
-                        +" us know on the GameDig issue tracker, thanks!\n"
-                    );
-                }
-                query.options.port = query.options.port_query;
-                delete query.options.port_query;
     }
 
-            // copy over options
+    async query(userOptions) {
-            for(const key of Object.keys(options)) {
+        userOptions.debug |= this._debug;
-                query.options[key] = options[key];
+        return await this.queryRunner.run(userOptions);
     }
 
-            activeQueries.add(query);
+    static getInstance() {
-            try {
+        if (!singleton) {
-                return await query.runAll();
+            singleton = new Gamedig();
-            } finally {
-                activeQueries.delete(query);
         }
-        })();
+        return singleton;
-
+    }
+    static query(userOptions, callback) {
+        const promise = Gamedig.getInstance().query(userOptions);
         if (callback && callback instanceof Function) {
-            if(callback.length === 2) {
+            if (callback.length === 2) {
                 promise
-                    .then((state) => callback(null,state))
+                    .then((state) => callback(null, state))
                     .catch((error) => callback(error));
             } else if (callback.length === 1) {
                 promise
                     .then((state) => callback(state))
-                    .catch((error) => callback({error:error}));
+                    .catch((error) => callback({error: error}));
             }
         }
-
         return promise;
     }
-
 }
-Gamedig.debug = false;
+Object.defineProperty(Gamedig, "debug", { set: on => Gamedig.getInstance().setDebug(on) });
-Gamedig.isCommandLine = false;
 
 module.exports = Gamedig;

lib/typeresolver.js

@@ -1,102 +0,0 @@
-const Path = require('path'),
-    fs = require('fs'),
-    Core = require('../protocols/core');
-
-const protocolDir = Path.normalize(__dirname+'/../protocols');
-const gamesFile = Path.normalize(__dirname+'/../games.txt');
-
-function parseList(str) {
-    if(!str) return {};
-    const out = {};
-    for (const one of str.split(',')) {
-        const equals = one.indexOf('=');
-        const key = equals === -1 ? one : one.substr(0,equals);
-        let value = equals === -1 ? '' : one.substr(equals+1);
-
-        if(value === 'true' || value === '') value = true;
-        else if(value === 'false') value = false;
-        else if(!isNaN(parseInt(value))) value = parseInt(value);
-
-        out[key] = value;
-    }
-    return out;
-}
-function readGames() {
-    const lines = fs.readFileSync(gamesFile,'utf8').split('\n');
-    const games = {};
-
-    for (let line of lines) {
-        // strip comments
-        const comment = line.indexOf('#');
-        if(comment !== -1) line = line.substr(0,comment);
-        line = line.trim();
-        if(!line) continue;
-
-        const split = line.split('|');
-
-        games[split[0].trim()] = {
-            pretty: split[1].trim(),
-            protocol: split[2].trim(),
-            options: parseList(split[3]),
-            params: parseList(split[4])
-        };
-    }
-    return games;
-}
-const games = readGames();
-
-function createProtocolInstance(type) {
-    type = Path.basename(type);
-
-    const path = protocolDir+'/'+type;
-    if(!fs.existsSync(path+'.js')) throw Error('Protocol definition file missing: '+type);
-    const protocol = require(path);
-
-    return new protocol();
-}
-
-class TypeResolver {
-    /**
-     * @param {string} type
-     * @returns Core
-     */
-    static lookup(type) {
-        if(!type) throw Error('No game specified');
-
-        if(type.substr(0,9) === 'protocol-') {
-            return createProtocolInstance(type.substr(9));
-        }
-
-        const game = games[type];
-        if(!game) throw Error('Invalid game: '+type);
-
-        const query = createProtocolInstance(game.protocol);
-        query.pretty = game.pretty;
-        for(const key of Object.keys(game.options)) {
-            query.options[key] = game.options[key];
-        }
-        for(const key of Object.keys(game.params)) {
-            query[key] = game.params[key];
-        }
-
-        return query;
-    }
-    static printReadme() {
-        let out = '';
-        for(const key of Object.keys(games)) {
-            const game = games[key];
-            if (!game.pretty) {
-                continue;
-            }
-            out += "* "+game.pretty+" ("+key+")";
-            if(game.options.port_query_offset || game.options.port_query)
-                out += " [[Separate Query Port](#separate-query-port)]";
-            if(game.params.doc_notes)
-                out += " [[Additional Notes](#"+game.params.doc_notes+")]";
-            out += "\n";
-        }
-        return out;
-    }
-}
-
-module.exports = TypeResolver;

protocols/americasarmy.js

@@ -1,25 +0,0 @@
-const Gamespy2 = require('./gamespy2');
-
-class AmericasArmy extends Gamespy2 {
-    async run(state) {
-        await super.run(state);
-        state.name = this.stripColor(state.name);
-        state.map = this.stripColor(state.map);
-        for(const key of Object.keys(state.raw)) {
-            if(typeof state.raw[key] === 'string') {
-                state.raw[key] = this.stripColor(state.raw[key]);
-            }
-        }
-        for(const player of state.players) {
-            if(!('name' in player)) continue;
-            player.name = this.stripColor(player.name);
-        }
-    }
-
-    stripColor(str) {
-        // uses unreal 2 color codes
-        return str.replace(/\x1b...|[\x00-\x1a]/g,'');
-    }
-}
-
-module.exports = AmericasArmy;

protocols/armagetron.js

@@ -15,7 +15,7 @@ class Armagetron extends Core {
 
         reader.skip(6);
 
-        state.raw.port = this.readUInt(reader);
+        state.gamePort = this.readUInt(reader);
         state.raw.hostname = this.readString(reader);
         state.name = this.stripColorCodes(this.readString(reader));
         state.raw.numplayers = this.readUInt(reader);

protocols/ase.js

@@ -5,12 +5,12 @@ class Ase extends Core {
         const buffer = await this.udpSend('s',(buffer) => {
             const reader = this.reader(buffer);
             const header = reader.string({length: 4});
-            if (header === 'EYE1') return buffer;
+            if (header === 'EYE1') return reader.rest();
         });
 
         const reader = this.reader(buffer);
         state.raw.gamename = this.readString(reader);
-        state.raw.port = parseInt(this.readString(reader));
+        state.gamePort = parseInt(this.readString(reader));
         state.name = this.readString(reader);
         state.raw.gametype = this.readString(reader);
         state.map = this.readString(reader);

protocols/battlefield.js

@@ -4,14 +4,13 @@ class Battlefield extends Core {
     constructor() {
         super();
         this.encoding = 'latin1';
-        this.isBadCompany2 = false;
     }
 
     async run(state) {
         await this.withTcp(async socket => {
             {
                 const data = await this.query(socket, ['serverInfo']);
-                state.raw.name = data.shift();
+                state.name = data.shift();
                 state.raw.numplayers = parseInt(data.shift());
                 state.maxplayers = parseInt(data.shift());
                 state.raw.gametype = data.shift();
@@ -29,25 +28,39 @@ class Battlefield extends Core {
                 }
 
                 state.raw.targetscore = parseInt(data.shift());
-                data.shift();
+                state.raw.status = data.shift();
-                state.raw.ranked = (data.shift() === 'true');
+
-                state.raw.punkbuster = (data.shift() === 'true');
+                // Seems like the fields end at random places beyond this point
-                state.password = (data.shift() === 'true');
+                // depending on the server version
-                state.raw.uptime = parseInt(data.shift());
+
-                state.raw.roundtime = parseInt(data.shift());
+                if (data.length) state.raw.ranked = (data.shift() === 'true');
-                if (this.isBadCompany2) {
+                if (data.length) state.raw.punkbuster = (data.shift() === 'true');
-                    data.shift();
+                if (data.length) state.password = (data.shift() === 'true');
-                    data.shift();
+                if (data.length) state.raw.uptime = parseInt(data.shift());
+                if (data.length) state.raw.roundtime = parseInt(data.shift());
+
+                const isBadCompany2 = data[0] === 'BC2';
+                if (isBadCompany2) {
+                    if (data.length) data.shift();
+                    if (data.length) data.shift();
                 }
+                if (data.length) {
                     state.raw.ip = data.shift();
-                state.raw.punkbusterversion = data.shift();
+                    const split = state.raw.ip.split(':');
-                state.raw.joinqueue = (data.shift() === 'true');
+                    state.gameHost = split[0];
-                state.raw.region = data.shift();
+                    state.gamePort = split[1];
-                if (!this.isBadCompany2) {
+                } else {
-                    state.raw.pingsite = data.shift();
+                    // best guess if the server doesn't tell us what the server port is
-                    state.raw.country = data.shift();
+                    // these are just the default game ports for different default query ports
-                    state.raw.quickmatch = (data.shift() === 'true');
+                    if (this.options.port === 48888) state.gamePort = 7673;
+                    if (this.options.port === 22000) state.gamePort = 25200;
                 }
+                if (data.length) state.raw.punkbusterversion = data.shift();
+                if (data.length) state.raw.joinqueue = (data.shift() === 'true');
+                if (data.length) state.raw.region = data.shift();
+                if (data.length) state.raw.pingsite = data.shift();
+                if (data.length) state.raw.country = data.shift();
+                if (data.length) state.raw.quickmatch = (data.shift() === 'true');
             }
 
             {
@@ -135,6 +148,7 @@ class Battlefield extends Core {
         const header = reader.uint(4);
         const totalLength = reader.uint(4);
         if(buffer.length < totalLength) return false;
+        this.debugLog("Expected " + totalLength + " bytes, have " + buffer.length);
 
         const paramCount = reader.uint(4);
         const params = [];

protocols/buildandshoot.js

@@ -4,7 +4,7 @@ const Core = require('./core'),
 class BuildAndShoot extends Core {
     async run(state) {
         const body = await this.request({
-            uri: 'http://'+this.options.address+':'+this.options.port_query+'/',
+            uri: 'http://'+this.options.address+':'+this.options.port+'/',
         });
 
         let m;

protocols/core.js

@@ -6,43 +6,24 @@ const EventEmitter = require('events').EventEmitter,
     util = require('util'),
     dnsLookupAsync = util.promisify(dns.lookup),
     dnsResolveAsync = util.promisify(dns.resolve),
-    requestAsync = require('request-promise');
+    requestAsync = require('request-promise'),
+    Promises = require('../lib/Promises');
 
 class Core extends EventEmitter {
     constructor() {
         super();
-        this.options = {
-            socketTimeout: 2000,
-            attemptTimeout: 10000,
-            maxAttempts: 1
-        };
         this.encoding = 'utf8';
         this.byteorder = 'le';
         this.delimiter = '\0';
         this.srvRecord = null;
+        this.abortedPromise = null;
 
-        this.asyncLeaks = new Set();
+        // Sent to us by QueryRunner
-        this.udpCallback = null;
+        this.options = null;
-        this.udpLocked = false;
+        this.udpSocket = null;
-        this.lastAsyncLeakId = 0;
     }
 
-    initState() {
+    async runAllAttempts() {
-        return {
-            name: '',
-            map: '',
-            password: false,
-
-            raw: {},
-
-            maxplayers: 0,
-            players: [],
-            bots: []
-        };
-    }
-
-    // Run all attempts
-    async runAll() {
         let result = null;
         let lastError = null;
         for (let attempt = 1; attempt <= this.options.maxAttempts; attempt++) {
@@ -63,38 +44,27 @@ class Core extends EventEmitter {
 
     // Runs a single attempt with a timeout and cleans up afterward
     async runOnceSafe() {
-        try {
+        let abortCall = null;
-            const result = await this.timedPromise(this.runOnce(), this.options.attemptTimeout, "Attempt");
+        this.abortedPromise = new Promise((resolve,reject) => {
-            if (this.asyncLeaks.size) {
+            abortCall = () => reject("Query is finished -- cancelling outstanding promises");
-                let out = [];
-                for (const leak of this.asyncLeaks) {
-                    out.push(leak.id + " " + leak.stack);
-                }
-                throw new Error('Query succeeded, but async leak was detected:\n' + out.join('\n---\n'));
-            }
-            return result;
-        } finally {
-            // Clean up any lingering long-running functions
-            for (const leak of this.asyncLeaks) {
-                try {
-                    leak.cleanup();
-                } catch(e) {
-                    this.debugLog("Error during async cleanup: " + e.stack);
-                }
-            }
-            this.asyncLeaks.clear();
-        }
-    }
-
-    timedPromise(promise, timeoutMs, timeoutMsg) {
-        return new Promise((resolve,reject) => {
-            const cancelTimeout = this.setTimeout(
-                () => reject(new Error(timeoutMsg + " - Timed out after " + timeoutMs + "ms")),
-                timeoutMs
-            );
-            promise = promise.finally(cancelTimeout);
-            promise.then(resolve,reject);
         });
+
+        // Make sure that if this promise isn't attached to, it doesn't throw a unhandled promise rejection
+        this.abortedPromise.catch(() => {});
+
+        let timeout;
+        try {
+            const promise = this.runOnce();
+            timeout = Promises.createTimeout(this.options.attemptTimeout, "Attempt");
+            return await Promise.race([promise,timeout]);
+        } finally {
+            timeout && timeout.cancel();
+            try {
+                abortCall();
+            } catch(e) {
+                this.debugLog("Error during abort cleanup: " + e.stack);
+            }
+        }
     }
 
     async runOnce() {
@@ -103,25 +73,37 @@ class Core extends EventEmitter {
         if (('host' in options) && !('address' in options)) {
             options.address = await this.parseDns(options.host);
         }
-        if(!('port_query' in options) && 'port' in options) {
-            const offset = options.port_query_offset || 0;
-            options.port_query = options.port + offset;
-        }
 
-        const state = this.initState();
+        const state = {
+            name: '',
+            map: '',
+            password: false,
+
+            raw: {},
+
+            maxplayers: 0,
+            players: [],
+            bots: []
+        };
+
         await this.run(state);
 
         if (this.options.notes)
             state.notes = this.options.notes;
 
-        state.query = {};
+        // because lots of servers prefix with spaces to try to appear first
-        if ('host' in this.options) state.query.host = this.options.host;
+        state.name = state.name.trim();
-        if ('address' in this.options) state.query.address = this.options.address;
+
-        if ('port' in this.options) state.query.port = this.options.port;
+        state.duration = Date.now() - startMillis;
-        if ('port_query' in this.options) state.query.port_query = this.options.port_query;
+        if (!('connect' in state)) {
-        state.query.type = this.type;
+            state.connect = ''
-        if ('pretty' in this) state.query.pretty = this.pretty;
+                + (state.gameHost || this.options.host || this.options.address)
-        state.query.duration = Date.now() - startMillis;
+                + ':'
+                + (state.gamePort || this.options.port)
+        }
+        delete state.gameHost;
+        delete state.gamePort;
+
 
         return state;
     }
@@ -166,18 +148,6 @@ class Core extends EventEmitter {
         else return await resolveStandard(host);
     }
 
-    addAsyncLeak(fn) {
-        const id = ++this.lastAsyncLeakId;
-        const stack = new Error().stack;
-        const entry = { id: id, cleanup: fn, stack: stack };
-        this.debugLog("Registering async leak: " + id);
-        this.asyncLeaks.add(entry);
-        return () => {
-            this.debugLog("Removing async leak: " + id);
-            this.asyncLeaks.delete(entry);
-        }
-    }
-
     // utils
     /** @returns {Reader} */
     reader(buffer) {
@@ -204,6 +174,12 @@ class Core extends EventEmitter {
         return false;
     }
 
+    assertValidPort(port) {
+        if (!port || port < 1 || port > 65535) {
+            throw new Error("Invalid tcp/ip port: " + port);
+        }
+    }
+
     /**
      * @template T
      * @param {function(Socket):Promise<T>} fn
@@ -211,11 +187,13 @@ class Core extends EventEmitter {
      */
     async withTcp(fn) {
         const address = this.options.address;
-        const port = this.options.port_query;
+        const port = this.options.port;
+        this.assertValidPort(port);
 
-        const socket = net.connect(port,address);
+        let socket, connectionTimeout;
+        try {
+            socket = net.connect(port,address);
             socket.setNoDelay(true);
-        const cancelAsyncLeak = this.addAsyncLeak(() => socket.destroy());
 
             this.debugLog(log => {
                 this.debugLog(address+':'+port+" TCP Connecting");
@@ -234,33 +212,20 @@ class Core extends EventEmitter {
                 socket.on('ready', () => log(address+':'+port+" TCP Connected"));
             });
 
-        try {
+            const connectionPromise = new Promise((resolve,reject) => {
-            await this.timedPromise(
-                new Promise((resolve,reject) => {
                 socket.on('ready', resolve);
                 socket.on('close', () => reject(new Error('TCP Connection Refused')));
-                }),
+            });
-                this.options.socketTimeout,
+            connectionTimeout = Promises.createTimeout(this.options.socketTimeout, 'TCP Opening');
-                'TCP Opening'
+            await Promise.race([
-            );
+                connectionPromise,
+                connectionTimeout,
+                this.abortedPromise
+            ]);
             return await fn(socket);
         } finally {
-            cancelAsyncLeak();
+            socket && socket.destroy();
-            socket.destroy();
+            connectionTimeout && connectionTimeout.cancel();
-        }
-    }
-
-    setTimeout(callback, time) {
-        let cancelAsyncLeak;
-        const onTimeout = () => {
-            cancelAsyncLeak();
-            callback();
-        };
-        const timeout = setTimeout(onTimeout, time);
-        cancelAsyncLeak = this.addAsyncLeak(() => clearTimeout(timeout));
-        return () => {
-            cancelAsyncLeak();
-            clearTimeout(timeout);
         }
     }
 
@@ -272,8 +237,9 @@ class Core extends EventEmitter {
      * @returns Promise<T>
      */
     async tcpSend(socket,buffer,ondata) {
-        return await this.timedPromise(
+        let timeout;
-            new Promise(async (resolve,reject) => {
+        try {
+            const promise = new Promise(async (resolve, reject) => {
                 let received = Buffer.from([]);
                 const onData = (data) => {
                     received = Buffer.concat([received, data]);
@@ -285,22 +251,11 @@ class Core extends EventEmitter {
                 };
                 socket.on('data', onData);
                 socket.write(buffer);
-            }),
+            });
-            this.options.socketTimeout,
+            timeout = Promises.createTimeout(this.options.socketTimeout, 'TCP');
-            'TCP'
+            return await Promise.race([promise, timeout, this.abortedPromise]);
-        );
-    }
-
-    async withUdpLock(fn) {
-        if (this.udpLocked) {
-            throw new Error('Attempted to lock UDP when already locked');
-        }
-        this.udpLocked = true;
-        try {
-            return await fn();
         } finally {
-            this.udpLocked = false;
+            timeout && timeout.cancel();
-            this.udpCallback = null;
         }
     }
 
@@ -312,72 +267,93 @@ class Core extends EventEmitter {
      * @template T
      */
     async udpSend(buffer,onPacket,onTimeout) {
-        if(!('port_query' in this.options)) throw new Error('Attempted to send without setting a port');
+        const address = this.options.address;
-        if(!('address' in this.options)) throw new Error('Attempted to send without setting an address');
+        const port = this.options.port;
+        this.assertValidPort(port);
+
         if(typeof buffer === 'string') buffer = Buffer.from(buffer,'binary');
         this.debugLog(log => {
-            log(this.options.address+':'+this.options.port_query+" UDP-->");
+            log(address+':'+port+" UDP-->");
             log(HexUtil.debugDump(buffer));
         });
 
-        return await this.withUdpLock(async() => {
+        const socket = this.udpSocket;
-            this.udpSocket.send(buffer,0,buffer.length,this.options.port_query,this.options.address);
+        socket.send(buffer, address, port);
 
-            return await new Promise((resolve,reject) => {
+        let socketCallback;
-                const cancelTimeout = this.setTimeout(() => {
+        let timeout;
+        try {
+            const promise = new Promise((resolve, reject) => {
+                socketCallback = (fromAddress, fromPort, buffer) => {
+                    try {
+                        if (fromAddress !== address) return;
+                        if (fromPort !== port) return;
+                        this.debugLog(log => {
+                            log(fromAddress + ':' + fromPort + " <--UDP");
+                            log(HexUtil.debugDump(buffer));
+                        });
+                        const result = onPacket(buffer);
+                        if (result !== undefined) {
+                            this.debugLog("UDP send finished by callback");
+                            resolve(result);
+                        }
+                    } catch(e) {
+                        reject(e);
+                    }
+                };
+                socket.addCallback(socketCallback);
+            });
+            timeout = Promises.createTimeout(this.options.socketTimeout, 'UDP');
+            const wrappedTimeout = new Promise((resolve, reject) => {
+                timeout.catch((e) => {
                     this.debugLog("UDP timeout detected");
                     let success = false;
                     if (onTimeout) {
+                        try {
                             const result = onTimeout();
                             if (result !== undefined) {
                                 this.debugLog("UDP timeout resolved by callback");
                                 resolve(result);
-                            success = true;
+                                return;
+                            }
+                        } catch(e) {
+                            reject(e);
                         }
                     }
-                    if (!success) {
+                    reject(e);
-                        reject(new Error('UDP Watchdog Timeout'));
-                    }
-                },this.options.socketTimeout);
-
-                this.udpCallback = (buffer) => {
-                    const result = onPacket(buffer);
-                    if(result !== undefined) {
-                        this.debugLog("UDP send finished by callback");
-                        cancelTimeout();
-                        resolve(result);
-                    }
-                };
                 });
             });
+            return await Promise.race([promise, wrappedTimeout, this.abortedPromise]);
+        } finally {
+            timeout && timeout.cancel();
+            socketCallback && socket.removeCallback(socketCallback);
+        }
     }
 
-    _udpIncoming(buffer) {
+    async request(params) {
-        this.udpCallback && this.udpCallback(buffer);
+        let requestPromise;
-    }
+        try {
-
+            requestPromise = requestAsync({
-    request(params) {
-        let promise = requestAsync({
                 ...params,
                 timeout: this.options.socketTimeout,
                 resolveWithFullResponse: true
             });
-        const cancelAsyncLeak = this.addAsyncLeak(() => {
-            promise.cancel();
-        });
             this.debugLog(log => {
-            log(() => params.uri+" HTTP-->");
+                log(() => params.uri + " HTTP-->");
-            promise
+                requestPromise
-                .then((response) => log(params.uri+" <--HTTP " + response.statusCode))
+                    .then((response) => log(params.uri + " <--HTTP " + response.statusCode))
-                .catch(()=>{});
+                    .catch(() => {
                     });
-        promise = promise.finally(cancelAsyncLeak);
+            });
-        promise = promise.then(response => response.body);
+            const wrappedPromise = promise.then(response => response.body);
-        return promise;
+            return await Promise.race([wrappedPromise, this.abortedPromise]);
+        } finally {
+            requestPromise && requestPromise.cancel();
+        }
     }
 
     debugLog(...args) {
-        if (!this.debug) return;
+        if (!this.options.debug) return;
         try {
             if(args[0] instanceof Buffer) {
                 this.debugLog(HexUtil.debugDump(args[0]));

protocols/doom3.js

@@ -3,7 +3,6 @@ const Core = require('./core');
 class Doom3 extends Core {
     constructor() {
         super();
-        this.pretty = 'Doom 3';
         this.encoding = 'latin1';
         this.isEtqw = false;
         this.hasSpaceBeforeClanTag = false;
@@ -11,26 +10,33 @@ class Doom3 extends Core {
         this.hasTypeFlag = false;
     }
     async run(state) {
-        const body = await this.udpSend('\xff\xffgetInfo\x00PiNGPoNG\x00', packet => {
+        const body = await this.udpSend('\xff\xffgetInfo\x00PiNGPoNg\x00', packet => {
             const reader = this.reader(packet);
             const header = reader.uint(2);
             if(header !== 0xffff) return;
             const header2 = reader.string();
             if(header2 !== 'infoResponse') return;
+            const challengePart1 = reader.string({length:4});
+            if (challengePart1 !== "PiNG") return;
+            // some doom3 implementations only return the first 4 bytes of the challenge
+            const challengePart2 = reader.string({length:4});
+            if (challengePart2 !== 'PoNg') reader.skip(-4);
             return reader.rest();
         });
 
-        const reader = this.reader(body);
+        let reader = this.reader(body);
-        if(this.isEtqw) {
-            const taskId = reader.uint(4);
-        }
-
-        const challenge = reader.uint(4);
         const protoVersion = reader.uint(4);
         state.raw.protocolVersion = (protoVersion>>16)+'.'+(protoVersion&0xffff);
 
-        if(this.isEtqw) {
+        // some doom implementations send us a packet size here, some don't (etqw does this)
+        // we can tell if this is a packet size, because the third and fourth byte will be 0 (no packets are that massive)
+        reader.skip(2);
+        const packetContainsSize = (reader.uint(2) === 0);
+        reader.skip(-4);
+
+        if (packetContainsSize) {
             const size = reader.uint(4);
+            this.debugLog("Received packet size: " + size);
         }
 
         while(!reader.done()) {
@@ -42,23 +48,22 @@ class Doom3 extends Core {
             }
             if(!key) break;
             state.raw[key] = value;
+            this.debugLog(key + "=" + value);
         }
 
-        let i = 0;
+        const isEtqw = state.raw.gamename && state.raw.gamename.toLowerCase().includes('etqw');
-        while(!reader.done()) {
-            i++;
-            const player = {};
-            player.id = reader.uint(1);
-            if(player.id === 32) break;
-            player.ping = reader.uint(2);
-            if(!this.isEtqw) player.rate = reader.uint(4);
-            player.name = this.stripColors(reader.string());
-            if(this.hasClanTag) {
-                if(this.hasSpaceBeforeClanTag) reader.uint(1);
-                player.clantag = this.stripColors(reader.string());
-            }
-            if(this.hasTypeFlag) player.typeflag = reader.uint(1);
 
+        const rest = reader.rest();
+        let playerResult = this.attemptPlayerParse(rest, isEtqw, false, false, false);
+        if (!playerResult) playerResult = this.attemptPlayerParse(rest, isEtqw, true, false, false);
+        if (!playerResult) playerResult = this.attemptPlayerParse(rest, isEtqw, true, true, true);
+        if (!playerResult) {
+            throw new Error("Unable to find a suitable parse strategy for player list");
+        }
+        let players;
+        [players,reader] = playerResult;
+
+        for (const player of players) {
             if(!player.ping || player.typeflag)
                 state.bots.push(player);
             else
@@ -66,7 +71,7 @@ class Doom3 extends Core {
         }
 
         state.raw.osmask = reader.uint(4);
-        if(this.isEtqw) {
+        if(isEtqw) {
             state.raw.ranked = reader.uint(1);
             state.raw.timeleft = reader.uint(4);
             state.raw.gamestate = reader.uint(1);
@@ -84,6 +89,59 @@ class Doom3 extends Core {
         if(state.raw.si_map) state.map = state.raw.si_map;
         if(state.raw.si_maxplayers) state.maxplayers = parseInt(state.raw.si_maxplayers);
         if(state.raw.si_usepass === '1') state.password = true;
+        if (this.options.port === 27733) state.gamePort = 3074; // etqw has a different query and game port
+    }
+
+    attemptPlayerParse(rest, isEtqw, hasClanTag, hasClanTagPos, hasTypeFlag) {
+        this.debugLog("starting player parse attempt:");
+        this.debugLog("isEtqw: " + isEtqw);
+        this.debugLog("hasClanTag: " + hasClanTag);
+        this.debugLog("hasClanTagPos: " + hasClanTagPos);
+        this.debugLog("hasTypeFlag: " + hasTypeFlag);
+        const reader = this.reader(rest);
+        let lastId = -1;
+        const players = [];
+        while(true) {
+            this.debugLog("---");
+            if (reader.done()) {
+                this.debugLog("* aborting attempt, overran buffer *");
+                return null;
+            }
+            const player = {};
+            player.id = reader.uint(1);
+            this.debugLog("id: " + player.id);
+            if (player.id <= lastId || player.id > 0x20) {
+                this.debugLog("* aborting attempt, invalid player id *");
+                return null;
+            }
+            lastId = player.id;
+            if(player.id === 0x20) {
+                this.debugLog("* player parse successful *");
+                break;
+            }
+            player.ping = reader.uint(2);
+            this.debugLog("ping: " + player.ping);
+            if(!isEtqw) {
+                player.rate = reader.uint(4);
+                this.debugLog("rate: " + player.rate);
+            }
+            player.name = this.stripColors(reader.string());
+            this.debugLog("name: " + player.name);
+            if(hasClanTag) {
+                if(hasClanTagPos) {
+                    const clanTagPos = reader.uint(1);
+                    this.debugLog("clanTagPos: " + clanTagPos);
+                }
+                player.clantag = this.stripColors(reader.string());
+                this.debugLog("clan tag: " + player.clantag);
+            }
+            if(hasTypeFlag) {
+                player.typeflag = reader.uint(1);
+                this.debugLog("type flag: " + player.typeflag);
+            }
+            players.push(player);
+        }
+        return [players,reader];
     }
 
     stripColors(str) {

protocols/fivem.js

@@ -13,7 +13,7 @@ class FiveM extends Quake2 {
 
         {
             const raw = await this.request({
-                uri: 'http://' + this.options.address + ':' + this.options.port_query + '/info.json'
+                uri: 'http://' + this.options.address + ':' + this.options.port + '/info.json'
             });
             const json = JSON.parse(raw);
             state.raw.info = json;
@@ -21,7 +21,7 @@ class FiveM extends Quake2 {
 
         {
             const raw = await this.request({
-                uri: 'http://' + this.options.address + ':' + this.options.port_query + '/players.json'
+                uri: 'http://' + this.options.address + ':' + this.options.port + '/players.json'
             });
             const json = JSON.parse(raw);
             state.raw.players = json;

protocols/gamespy2.js

@@ -37,6 +37,30 @@ class Gamespy2 extends Core {
             const reader = this.reader(body);
             state.raw.teams = this.readFieldData(reader);
         }
+
+        // Special case for america's army 1 and 2
+        // both use gamename = "armygame"
+        if (state.raw.gamename === 'armygame') {
+            const stripColor = (str) => {
+                // uses unreal 2 color codes
+                return str.replace(/\x1b...|[\x00-\x1a]/g,'');
+            };
+            state.name = stripColor(state.name);
+            state.map = stripColor(state.map);
+            for(const key of Object.keys(state.raw)) {
+                if(typeof state.raw[key] === 'string') {
+                    state.raw[key] = stripColor(state.raw[key]);
+                }
+            }
+            for(const player of state.players) {
+                if(!('name' in player)) continue;
+                player.name = stripColor(player.name);
+            }
+        }
+
+        if (state.raw.hostport) {
+            state.gamePort = parseInt(state.raw.hostport);
+        }
     }
 
     async sendPacket(type) {

protocols/gamespy3.js

@@ -7,17 +7,19 @@ class Gamespy3 extends Core {
         this.sessionId = 1;
         this.encoding = 'latin1';
         this.byteorder = 'be';
-        this.noChallenge = false;
         this.useOnlySingleSplit = false;
         this.isJc2mp = false;
     }
 
     async run(state) {
-        let challenge = null;
-        if (!this.noChallenge) {
         const buffer = await this.sendPacket(9, false, false, false);
         const reader = this.reader(buffer);
-            challenge = parseInt(reader.string());
+        let challenge = parseInt(reader.string());
+        this.debugLog("Received challenge key: " + challenge);
+        if (challenge === 0) {
+            // Some servers send us a 0 if they don't want a challenge key used
+            // BF2 does this.
+            challenge = null;
         }
 
         let requestPayload;

protocols/kspdmp.js

@@ -3,7 +3,7 @@ const Core = require('./core');
 class Kspdmp extends Core {
     async run(state) {
         const body = await this.request({
-            uri: 'http://'+this.options.address+':'+this.options.port_query
+            uri: 'http://'+this.options.address+':'+this.options.port
         });
 
         const json = JSON.parse(body);

protocols/minecraft.js

@@ -2,9 +2,13 @@ const Core = require('./core'),
     Varint = require('varint');
 
 class Minecraft extends Core {
+    constructor() {
+        super();
+        this.srvRecord = "_minecraft._tcp";
+    }
     async run(state) {
         const portBuf = Buffer.alloc(2);
-        portBuf.writeUInt16BE(this.options.port_query,0);
+        portBuf.writeUInt16BE(this.options.port,0);
 
         const addressBuf = Buffer.from(this.options.host,'utf8');
 

protocols/nadeo.js

@@ -2,12 +2,6 @@ const gbxremote = require('gbxremote'),
     Core = require('./core');
 
 class Nadeo extends Core {
-    constructor() {
-        super();
-        this.options.port = 2350;
-        this.options.port_query = 5000;
-    }
-
     async run(state) {
         await this.withClient(async client => {
             await this.methodCall(client, 'Authenticate', this.options.login, this.options.password);
@@ -57,8 +51,8 @@ class Nadeo extends Core {
     }
 
     async withClient(fn) {
-        const socket = gbxremote.createClient(this.options.port_query, this.options.host);
+        const socket = gbxremote.createClient(this.options.port, this.options.host);
-        const cancelAsyncLeak = this.addAsyncLeak(() => socket.terminate());
+        const cancelAsyncLeak = this.addCleanup(() => socket.terminate());
         try {
             await this.timedPromise(
                 new Promise((resolve,reject) => {

protocols/terraria.js

@@ -3,7 +3,7 @@ const Core = require('./core');
 class Terraria extends Core {
     async run(state) {
         const body = await this.request({
-            uri: 'http://'+this.options.address+':'+this.options.port_query+'/v2/server/status',
+            uri: 'http://'+this.options.address+':'+this.options.port+'/v2/server/status',
             qs: {
                 players: 'true',
                 token: this.options.token