RLGWebD: rlgwebd.js annotate

annotate rlgwebd.js @ 111:f56fdfeed01a

Replace taking over games with forced saves. Instead of reusing the id, just SIGHUP the game process. This works whether it is using polling, WebSockets, or dgamelaunch.

author	John "Elwin" Edwards <elwin@sdf.org>
date	Sun, 15 Jul 2012 22:33:44 -0700
parents	18a81cc0084b
children	4f2b89e6fde2

rev	line source
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1 #!/usr/bin/env node
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	2
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	3 // If you can't quite trust node to find it on its own
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	4 var localModules = '/usr/local/lib/node_modules/';
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	5 var http = require('http');
28 2ad2b6491aa9 rlgwebd.js: become a real daemon. John "Elwin" Edwards <elwin@sdf.org> parents: 27 diff changeset	6 var net = require('net');
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	7 var url = require('url');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	8 var path = require('path');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	9 var fs = require('fs');
55 96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	10 var events = require('events');
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	11 var child_process = require('child_process');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	12 var daemon = require(path.join(localModules, "daemon"));
87 bd2cf6dda28d RLG-Web: use the pty module. John "Elwin" Edwards <elwin@sdf.org> parents: 85 diff changeset	13 var pty = require(path.join(localModules, "pty.js"));
100 3dbfdaf62623 RLG-Web: begin converting to WebSockets. John "Elwin" Edwards <elwin@sdf.org> parents: 94 diff changeset	14 var WebSocketServer = require(path.join(localModules, "websocket")).server;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	15
30 b5570a594266 rlgwebd.js: listen on any address John "Elwin" Edwards <elwin@sdf.org> parents: 29 diff changeset	16 /* Configuration variables */
28 2ad2b6491aa9 rlgwebd.js: become a real daemon. John "Elwin" Edwards <elwin@sdf.org> parents: 27 diff changeset	17 // These first two files are NOT in the chroot.
2ad2b6491aa9 rlgwebd.js: become a real daemon. John "Elwin" Edwards <elwin@sdf.org> parents: 27 diff changeset	18 var ctlsocket = "/var/local/rlgwebd/ctl";
2ad2b6491aa9 rlgwebd.js: become a real daemon. John "Elwin" Edwards <elwin@sdf.org> parents: 27 diff changeset	19 var logfile = "/var/local/rlgwebd/log";
30 b5570a594266 rlgwebd.js: listen on any address John "Elwin" Edwards <elwin@sdf.org> parents: 29 diff changeset	20 var httpPort = 8080;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	21 var chrootDir = "/var/dgl/";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	22 var dropToUID = 501;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	23 var dropToGID = 501;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	24 var serveStaticRoot = "/var/www/"; // inside the chroot
36 a0387f112bcf RLG-Web: autosave idle games. John "Elwin" Edwards <elwin@sdf.org> parents: 34 diff changeset	25 var playtimeout = 3600000; // Idle time before games are autosaved, in ms
30 b5570a594266 rlgwebd.js: listen on any address John "Elwin" Edwards <elwin@sdf.org> parents: 29 diff changeset	26
39 e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	27 /* Data on the games available. */
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	28 var games = {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	29 "rogue3": {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	30 "name": "Rogue V3",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	31 "uname": "rogue3",
42 8f6bc0df58fa rlgwebd.js: add a player status interface. John "Elwin" Edwards <elwin@sdf.org> parents: 40 diff changeset	32 "suffix": ".r3sav",
60 31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	33 "path": "/bin/rogue3",
31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	34 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	35 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	36 "rogue4": {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	37 "name": "Rogue V4",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	38 "uname": "rogue4",
42 8f6bc0df58fa rlgwebd.js: add a player status interface. John "Elwin" Edwards <elwin@sdf.org> parents: 40 diff changeset	39 "suffix": ".r4sav",
60 31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	40 "path": "/bin/rogue4",
31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	41 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	42 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	43 "rogue5": {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	44 "name": "Rogue V5",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	45 "uname": "rogue5",
42 8f6bc0df58fa rlgwebd.js: add a player status interface. John "Elwin" Edwards <elwin@sdf.org> parents: 40 diff changeset	46 "suffix": ".r5sav",
60 31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	47 "path": "/bin/rogue5",
31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	48 "clear": new Buffer([27, 91, 72, 27, 91, 50, 74]) // CSI H CSI 2J
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	49 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	50 "srogue": {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	51 "name": "Super-Rogue",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	52 "uname": "srogue",
42 8f6bc0df58fa rlgwebd.js: add a player status interface. John "Elwin" Edwards <elwin@sdf.org> parents: 40 diff changeset	53 "suffix": ".srsav",
60 31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	54 "path": "/bin/srogue",
31bb3cf4f25f Make sure watchers start with completely drawn screens. John "Elwin" Edwards <elwin@sdf.org> parents: 55 diff changeset	55 "clear": new Buffer([27, 91, 72, 27, 91, 74]) // CSI H CSI J
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	56 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	57 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	58
39 e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	59 /* Global state */
e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	60 var logins = {};
e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	61 var sessions = {};
55 96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	62 var clients = {};
39 e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	63 var allowlogin = true;
55 96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	64 var nextsession = 0;
104 7d444ba4739e RLG-Web server: send status events over WebSockets. John "Elwin" Edwards <elwin@sdf.org> parents: 103 diff changeset	65 var gamemux = new events.EventEmitter();
39 e8ac0e3d2614 RLG-Web: separate logging in and starting a game. John "Elwin" Edwards <elwin@sdf.org> parents: 37 diff changeset	66
55 96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	67 /* Constructor. A TermSession handles a pty and the game running on it.
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	68 * game: (String) Name of the game to launch.
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	69 * lkey: (String, key) The user's id, a key into logins.
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	70 * dims: (Array [Number, Number]) Height and width of the pty.
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	71 * handlers: (Object) Key-value pairs, event names and functions to
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	72 * install to handle them.
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	73 * Events:
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	74 * "open": Emitted on startup. Parameters: success (Boolean)
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	75 * "data": Data generated by child. Parameters: buf (Buffer)
87 bd2cf6dda28d RLG-Web: use the pty module. John "Elwin" Edwards <elwin@sdf.org> parents: 85 diff changeset	76 * "exit": Child terminated. Parameters: none
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	77 */
55 96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	78 function TermSession(game, lkey, dims, handlers) {
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: 49 diff changeset	79 var ss = this;
96815eae4ebe RLG-Web: make multiple watchers possible. John "Elwin" Edwards <elwin@sdf.org> parents: