From fdefdb1d98b24bff2b275fb1b68acfa10bed99ae Mon Sep 17 00:00:00 2001 From: Colin Date: Mon, 29 Aug 2016 15:13:02 +0000 Subject: Fixes --- lib/rcon.js | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 lib/rcon.js (limited to 'lib/rcon.js') diff --git a/lib/rcon.js b/lib/rcon.js new file mode 100644 index 0000000..f75b481 --- /dev/null +++ b/lib/rcon.js @@ -0,0 +1,115 @@ +// Credits to M4GNV5 for this library to reduce dependancies + +var net = require("net"); +var c = require("../config.json"); +var debug = c.DEBUG; + +module.exports = Rcon; + +function Rcon(ip, port) +{ + var self = this; + self.rconTimeout = undefined; + self.nextId = 0; + self.connected = false; + self.authed = false; + self.packages = []; + + self.socket = net.connect(port, ip, function() { + self.connected = true; + console.log("[INFO] Authenticated with " + ip + ":" + port); + }); + + self.socket.on("data", function(data) + { + var length = data.readInt32LE(0); + var id = data.readInt32LE(4); + var type = data.readInt32LE(8); + var response = data.toString("ascii", 12, data.length - 2); + + if(self.packages[id]) + { + self.packages[id](type, response); + } + else + { + console.log("unexpected rcon response", id, type, response); + } + }).on("end", function() + { + if(debug) { + console.log("[DEBUG] Rcon closed!"); + } + }); +} +Rcon.timeout = 5000; + +Rcon.prototype.close = function() +{ + this.connected = false; + this.socket.end(); +} + +Rcon.prototype.auth = function(pw, cb) +{ + var self = this; + self.pass = pw; + self.cb = cb; + + if(self.authed) + throw new Error("already authed"); + + if(self.connected) + doAuth(); + else + self.socket.on("connect", doAuth); + + function doAuth() + { + self.sendPackage(3, pw, cb); + } +}; + +Rcon.prototype.command = function(cmd, cb) +{ + this.sendPackage(2, cmd, cb); +}; + +Rcon.prototype.sendPackage = function(type, payload, cb) +{ + var self = this; + var id = self.nextId; + self.nextId++; + + if(!self.connected) + throw new Error("Cannot send package while not connected"); + + var length = 14 + payload.length; + var buff = new Buffer(length); + buff.writeInt32LE(length - 4, 0); + buff.writeInt32LE(id, 4); + buff.writeInt32LE(type, 8); + + buff.write(payload, 12); + buff.writeInt8(0, length - 2); + buff.writeInt8(0, length - 1); + + self.socket.write(buff); + + var timeout = setTimeout(function() + { + delete self.packages[id]; + cb("Server sent no request in " + Rcon.timeout / 1000 + " seconds"); + }, Rcon.timeout); + + self.packages[id] = function(type, response) + { + clearTimeout(timeout); + var err = type >= 0 ? false : "Server sent package code " + type; + if(debug) + { + console.log("[DEBUG] Recieved response: "+response); + } + cb(err, response, type); + } +} \ No newline at end of file -- cgit 1.4.1