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annotate rlgwebd.js @ 84:d59dc5cef412

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rlgwebd.js: set the width and height on Player objects. Fixes the client not being informed of the pty size.
author John "Elwin" Edwards <elwin@sdf.org>
date Sun, 08 Jul 2012 08:40:08 -0700
parents e4773ac5d4d5
children 4303d94d87a2
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1 #!/usr/bin/env node
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2
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3 // If you can't quite trust node to find it on its own
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4 var localModules = '/usr/local/lib/node_modules/';
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5 var http = require('http');
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6 var net = require('net');
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7 var url = require('url');
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8 var path = require('path');
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9 var fs = require('fs');
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10 var events = require('events');
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11 var child_process = require('child_process');
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12 var daemon = require(path.join(localModules, "daemon"));
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14 /* Configuration variables */
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15 // These first two files are NOT in the chroot.
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16 var ctlsocket = "/var/local/rlgwebd/ctl";
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17 var logfile = "/var/local/rlgwebd/log";
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18 var httpPort = 8080;
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19 var chrootDir = "/var/dgl/";
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20 var dropToUID = 501;
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21 var dropToGID = 501;
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22 var serveStaticRoot = "/var/www/"; // inside the chroot
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23 var playtimeout = 3600000; // Idle time before games are autosaved, in ms
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25 /* Data on the games available. */
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26 var games = {
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27 "rogue3": {
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28 "name": "Rogue V3",
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29 "uname": "rogue3",
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30 "suffix": ".r3sav",
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31 "path": "/bin/rogue3",
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32 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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33 },
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34 "rogue4": {
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35 "name": "Rogue V4",
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36 "uname": "rogue4",
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37 "suffix": ".r4sav",
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38 "path": "/bin/rogue4",
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39 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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40 },
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41 "rogue5": {
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42 "name": "Rogue V5",
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43 "uname": "rogue5",
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44 "suffix": ".r5sav",
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45 "path": "/bin/rogue5",
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46 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
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47 },
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48 "srogue": {
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49 "name": "Super-Rogue",
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50 "uname": "srogue",
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51 "suffix": ".srsav",
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52 "path": "/bin/srogue",
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53 "clear": new Buffer([27, 91, 72, 27, 91, 74]) // CSI H CSI J
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54 }
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55 };
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56
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57 /* Global state */
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58 var logins = {};
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59 var sessions = {};
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60 var clients = {};
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61 var allowlogin = true;
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62 var nextsession = 0;
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63
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64 /* Constructor. A TermSession handles a pty and the game running on it.
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65 * game: (String) Name of the game to launch.
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66 * lkey: (String, key) The user's id, a key into logins.
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67 * dims: (Array [Number, Number]) Height and width of the pty.
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68 * handlers: (Object) Key-value pairs, event names and functions to
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69 * install to handle them.
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70 * Events:
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71 * "open": Emitted on startup. Parameters: success (Boolean)
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72 * "data": Data generated by child. Parameters: buf (Buffer)
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73 * "exit": Child terminated. Parameters: exitcode, signal
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74 */
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75 function TermSession(game, lkey, dims, handlers) {
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76 var ss = this;
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77 /* Subclass EventEmitter to do the hard work. */
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78 events.EventEmitter.call(this);
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79 for (var evname in handlers)
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80 this.on(evname, handlers[evname]);
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