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comparison rlgwebd.js @ 42:8f6bc0df58fa

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rlgwebd.js: add a player status interface. Give information on a player's current status at "/pstatus/<name>". Also fix some shift()/unshift() confusion in checkprogress().
author John "Elwin" Edwards <elwin@sdf.org>
date Sat, 09 Jun 2012 11:46:58 -0700
parents f7116eb3f791
children c4efc7522e7b
comparison
equal deleted inserted replaced
41:ea3b7775009d 42:8f6bc0df58fa
24 /* Data on the games available. */ 24 /* Data on the games available. */
25 var games = { 25 var games = {
26 "rogue3": { 26 "rogue3": {
27 "name": "Rogue V3", 27 "name": "Rogue V3",
28 "uname": "rogue3", 28 "uname": "rogue3",
29 "suffix": ".r3sav",
29 "path": "/bin/rogue3" 30 "path": "/bin/rogue3"
30 }, 31 },
31 "rogue4": { 32 "rogue4": {
32 "name": "Rogue V4", 33 "name": "Rogue V4",
33 "uname": "rogue4", 34 "uname": "rogue4",
35 "suffix": ".r4sav",
34 "path": "/bin/rogue4" 36 "path": "/bin/rogue4"
35 }, 37 },
36 "rogue5": { 38 "rogue5": {
37 "name": "Rogue V5", 39 "name": "Rogue V5",
38 "uname": "rogue5", 40 "uname": "rogue5",
41 "suffix": ".r5sav",
39 "path": "/bin/rogue5" 42 "path": "/bin/rogue5"
40 }, 43 },
41 "srogue": { 44 "srogue": {
42 "name": "Super-Rogue", 45 "name": "Super-Rogue",
43 "uname": "srogue", 46 "uname": "srogue",
47 "suffix": ".srsav",
44 "path": "/bin/srogue" 48 "path": "/bin/srogue"
45 } 49 }
46 }; 50 };
47 51
48 /* Global state */ 52 /* Global state */
234 return; 238 return;
235 } 239 }
236 var fre = RegExp("^" + user + ":"); 240 var fre = RegExp("^" + user + ":");
237 for (var i = 0; i < files.length; i++) { 241 for (var i = 0; i < files.length; i++) {
238 if (files[i].match(fre)) { 242 if (files[i].match(fre)) {
239 args.shift(null, files[i]); 243 args.unshift(null, files[i]);
240 callback.apply(null, args); 244 callback.apply(null, args);
241 return; 245 return;
242 } 246 }
243 } 247 }
244 args.shift(null, false); 248 args.unshift(null, false);
245 callback.apply(null, args); 249 callback.apply(null, args);
246 }); 250 });
251 }
252
253 function checksaved(user, game, callback, args) {
254 var savedirc = game.uname + "save";
255 var basename = String(dropToUID) + "-" + user + game.suffix;
256 var savefile = path.join("/var/games/roguelike", savedirc, basename);
257 path.exists(savefile, function (exist) {
258 args.unshift(exist);
259 callback.apply(null, args);
260 });
261 }
262
263 function playerstatus(user, callback) {
264 var sdata = {};
265 tslog("Starting (user %s)", user);
266 function finishp() {
267 for (var gname in games) {
268 if (!(gname in sdata))
269 return;
270 }
271 tslog("Finished: %s", JSON.stringify(sdata));
272 callback(sdata);
273 }
274 function regsaved(exists, game) {
275 if (exists)
276 sdata[game.uname] = "s";
277 else
278 sdata[game.uname] = "0";
279 finishp();
280 }
281 function regactive(err, filename, game) {
282 if (!err && filename) {
283 sdata[game.uname] = "p";
284 finishp();
285 }
286 else
287 checksaved(user, game, regsaved, [game]);
288 }
289 for (var gname in games) {
290 checkprogress(user, games[gname], regactive, [games[gname]]);
291 }
247 } 292 }
248 293
249 /* A few utility functions */ 294 /* A few utility functions */
250 function timestamp() { 295 function timestamp() {
251 dd = new Date(); 296 dd = new Date();
607 if (req.method != 'HEAD') 652 if (req.method != 'HEAD')
608 res.write(JSON.stringify(reply)); 653 res.write(JSON.stringify(reply));
609 res.end(); 654 res.end();
610 } 655 }
611 656
657 function pstatusmsg(req, res) {
658 if (req.method == 'HEAD') {
659 res.writeHead(200, { "Content-Type": "application/json" });
660 res.end();
661 return;
662 }
663 var target = url.parse(req.url).pathname;
664 var pmatch = target.match(/^\/pstatus\/(.*)/);
665 if (pmatch && pmatch[1])
666 var pname = pmatch[1];
667 else {
668 sendError(res, 2, "No name given.");
669 return;
670 }
671 var reply = {"name": pname};
672 playerstatus(pname, function (pdata) {
673 reply["stat"] = pdata;
674 res.writeHead(200, { "Content-Type": "application/json" });
675 res.write(JSON.stringify(reply));
676 res.end();
677 });
678 }
679
612 var errorcodes = [ "Generic Error", "Not logged in", "Invalid data", 680 var errorcodes = [ "Generic Error", "Not logged in", "Invalid data",
613 "Login failed", "Already playing", "Game launch failed", 681 "Login failed", "Already playing", "Game launch failed",
614 "Server shutting down", "Game not in progress" ]; 682 "Server shutting down", "Game not in progress" ];
615 683
616 function sendError(res, ecode, msg) { 684 function sendError(res, ecode, msg) {
696 readFeed(res, cterm); 764 readFeed(res, cterm);
697 } 765 }
698 else if (target == '/status') { 766 else if (target == '/status') {
699 statusmsg(req, res); 767 statusmsg(req, res);
700 } 768 }
769 else if (target.match(/^\/pstatus\//)) {
770 pstatusmsg(req, res);
771 }
701 else /* Go look for it in the filesystem */ 772 else /* Go look for it in the filesystem */
702 serveStatic(req, res, target); 773 serveStatic(req, res, target);
703 } 774 }
704 else { /* Some other method */ 775 else { /* Some other method */
705 res.writeHead(501, resheaders); 776 res.writeHead(501, resheaders);