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rlgwebd.js: add a player status interface.

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Give information on a player's current status at "/pstatus/<name>".
Also fix some shift()/unshift() confusion in checkprogress().
This commit is contained in:
John "Elwin" Edwards 2012-06-09 11:46:58 -07:00
parent 7e88c7cdc3
commit 43f30438ed
1 changed files with 73 additions and 2 deletions
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75
rlgwebd.js
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@ -26,21 +26,25 @@ var games = {
"rogue3": {
"name": "Rogue V3",
"uname": "rogue3",
"suffix": ".r3sav",
"path": "/bin/rogue3"
},
"rogue4": {
"name": "Rogue V4",
"uname": "rogue4",
"suffix": ".r4sav",
"path": "/bin/rogue4"
},
"rogue5": {
"name": "Rogue V5",
"uname": "rogue5",
"suffix": ".r5sav",
"path": "/bin/rogue5"
},
"srogue": {
"name": "Super-Rogue",
"uname": "srogue",
"suffix": ".srsav",
"path": "/bin/srogue"
}
};
@ -236,16 +240,57 @@ function checkprogress(user, game, callback, args) {
var fre = RegExp("^" + user + ":");
for (var i = 0; i < files.length; i++) {
if (files[i].match(fre)) {
args.shift(null, files[i]);
args.unshift(null, files[i]);
callback.apply(null, args);
return;
}
}
args.shift(null, false);
args.unshift(null, false);
callback.apply(null, args);
});
}
function checksaved(user, game, callback, args) {
var savedirc = game.uname + "save";
var basename = String(dropToUID) + "-" + user + game.suffix;
var savefile = path.join("/var/games/roguelike", savedirc, basename);
path.exists(savefile, function (exist) {
args.unshift(exist);
callback.apply(null, args);
});
}
function playerstatus(user, callback) {
var sdata = {};
tslog("Starting (user %s)", user);
function finishp() {
for (var gname in games) {
if (!(gname in sdata))
return;
}
tslog("Finished: %s", JSON.stringify(sdata));
callback(sdata);
}
function regsaved(exists, game) {
if (exists)
sdata[game.uname] = "s";
else
sdata[game.uname] = "0";
finishp();
}
function regactive(err, filename, game) {
if (!err && filename) {
sdata[game.uname] = "p";
finishp();
}
else
checksaved(user, game, regsaved, [game]);
}
for (var gname in games) {
checkprogress(user, games[gname], regactive, [games[gname]]);
}
}
/* A few utility functions */
function timestamp() {
dd = new Date();
@ -609,6 +654,29 @@ function statusmsg(req, res) {
res.end();
}
function pstatusmsg(req, res) {
if (req.method == 'HEAD') {
res.writeHead(200, { "Content-Type": "application/json" });
res.end();
return;
}
var target = url.parse(req.url).pathname;
var pmatch = target.match(/^\/pstatus\/(.*)/);
if (pmatch && pmatch[1])
var pname = pmatch[1];
else {
sendError(res, 2, "No name given.");
return;
}
var reply = {"name": pname};
playerstatus(pname, function (pdata) {
reply["stat"] = pdata;
res.writeHead(200, { "Content-Type": "application/json" });
res.write(JSON.stringify(reply));
res.end();
});
}
var errorcodes = [ "Generic Error", "Not logged in", "Invalid data",
"Login failed", "Already playing", "Game launch failed",
"Server shutting down", "Game not in progress" ];
@ -698,6 +766,9 @@ function webHandler(req, res) {
else if (target == '/status') {
statusmsg(req, res);
}
else if (target.match(/^\/pstatus\//)) {
pstatusmsg(req, res);
}
else /* Go look for it in the filesystem */
serveStatic(req, res, target);
}