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RLG-Web: make multiple watchers possible. Split the TermSession class into the new TermSession, which handles the PTY, and client classes, which handle HTTP sessions. These are Player and Watcher. This allows multiple watchers per game, and other improvements.
author John "Elwin" Edwards <elwin@sdf.org>
date Mon, 18 Jun 2012 13:43:51 -0700
parents 423ef87ddc9b
children 31bb3cf4f25f
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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 },
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33 "rogue4": {
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34 "name": "Rogue V4",
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35 "uname": "rogue4",
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36 "suffix": ".r4sav",
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37 "path": "/bin/rogue4"
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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": "/bin/rogue5"
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44 },
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45 "srogue": {
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46 "name": "Super-Rogue",
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47 "uname": "srogue",
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48 "suffix": ".srsav",
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49 "path": "/bin/srogue"
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50 }
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51 };
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52
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53 /* Global state */
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54 var logins = {};
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55 var sessions = {};
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56 var clients = {};
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57 var allowlogin = true;
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58 var nextsession = 0;
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60 /* Constructor. A TermSession handles a pty and the game running on it.
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61 * game: (String) Name of the game to launch.
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62 * lkey: (String, key) The user's id, a key into logins.
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63 * dims: (Array [Number, Number]) Height and width of the pty.
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64 * handlers: (Object) Key-value pairs, event names and functions to
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65 * install to handle them.
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66 * Events:
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67 * "open": Emitted on startup. Parameters: success (Boolean)
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68 * "data": Data generated by child. Parameters: buf (Buffer)
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69 * "exit": Child terminated. Parameters: exitcode, signal
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70 */
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71 function TermSession(game, lkey, dims, handlers) {
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72 var ss = this;
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73 /* Subclass EventEmitter to do the hard work. */
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74 events.EventEmitter.call(this);
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75 for (var evname in handlers)
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76 this.on(evname, handlers[evname]);
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77 /* Don't launch anything that's not a real game. */
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78 if (game in games) {
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79 this.game = games[game];
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80 }
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