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annotate rlgwebd.js @ 171:671bed5039aa

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RLGWebD: fix simultaneous watcher bugs. WebSockets should now only receive the intended data, no matter how many of them there are or what they are doing. They should...
author John "Elwin" Edwards
date Sat, 10 Jan 2015 18:54:55 -0500
parents 50e4c9feeac2
children dc12ba30d559
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1 #!/usr/bin/env node
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2
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3 var http = require('http');
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4 var net = require('net');
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5 var url = require('url');
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6 var path = require('path');
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7 var fs = require('fs');
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8 var events = require('events');
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9 var child_process = require('child_process');
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10 // Dependencies
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11 var posix = require("posix");
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12 var pty = require("pty.js");
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13 var WebSocketServer = require("websocket").server;
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15 /* Configuration variables */
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16 // The first file is NOT in the chroot.
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17 var ctlsocket = "/var/local/rlgwebd/ctl";
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18 var httpPort = 8080;
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19 var chrootDir = "/var/dgl/";
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20 var dropToUser = "rodney";
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21 var serveStaticRoot = "/var/www/"; // inside the chroot
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22
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23 /* Data on the games available. */
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24 var games = {
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25 "rogue3": {
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26 "name": "Rogue V3",
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27 "uname": "rogue3",
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28 "suffix": ".r3sav",
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29 "path": "/usr/bin/rogue3",
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30 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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31 },
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32 "rogue4": {
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33 "name": "Rogue V4",
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34 "uname": "rogue4",
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35 "suffix": ".r4sav",
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36 "path": "/usr/bin/rogue4",
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37 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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38 },
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39 "rogue5": {
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40 "name": "Rogue V5",
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41 "uname": "rogue5",
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42 "suffix": ".r5sav",
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43 "path": "/usr/bin/rogue5",
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44 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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45 },
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46 "srogue": {
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47 "name": "Super-Rogue",
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48 "uname": "srogue",
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49 "suffix": ".srsav",
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50 "path": "/usr/bin/srogue",
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51 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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52 },
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53 "arogue5": {
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54 "name": "Advanced Rogue 5",
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55 "uname": "arogue5",
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56 "suffix": ".ar5sav",
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57 "path": "/usr/bin/arogue5",
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58 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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59 }
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60 };
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61
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62 /* Global state */
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63 var logins = {};
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64 var sessions = {};
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65 var dglgames = {};
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66 var allowlogin = true;
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67 var gamemux = new events.EventEmitter();
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68
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69 /* Constructor. A TermSession handles a pty and the game running on it.
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70 * gname: (String) Name of the game to launch.
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71 * pname: (String) The player's name.
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72 * wsReq: (WebSocketRequest) The request from the client.
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73 *
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74 * Events:
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75 * "data": Data generated by child. Parameters: buf (Buffer)
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76 * "exit": Child terminated. Parameters: none
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77 */
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78 function TermSession(gname, pname, wsReq) {
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79 var ss = this;
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80 /* Subclass EventEmitter to do the hard work. */
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81 events.EventEmitter.call(this);