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Implemented an AJAX keepalive from the Evennia side to make sure a dead AJAX connection (commonly if the user closes the window/browser without properly logging out), will eventually time out and log off the Player. Resolves #951.

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This commit is contained in:
Griatch 2016-04-16 22:09:10 +02:00
parent d5b3b59eb7
commit 7e62f02f0a
2 changed files with 77 additions and 18 deletions
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16
evennia/web/webclient/static/webclient/js/evennia.js
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@ -195,7 +195,6 @@ An "emitter" object must have a function
//
var WebsocketConnection = function () {
log("Trying websocket ...");
wsurl = "ws://blah";
var open = false;
var websocket = new WebSocket(wsurl);
// Handle Websocket open event
@ -275,11 +274,12 @@ An "emitter" object must have a function
};
// Send Client -> Evennia. Called by Evennia.msg
var msg = function(data) {
var msg = function(data, inmode) {
$.ajax({type: "POST", url: "/webclientdata",
async: true, cache: false, timeout: 30000,
dataType: "json",
data: {mode:'input', data: JSON.stringify(data), 'suid': client_hash},
data: {mode: inmode == null ? 'input' : inmode,
data: JSON.stringify(data), 'suid': client_hash},
success: function(req, stat, err) {},
error: function(req, stat, err) {
Evennia.emit("connection_error", ["AJAX/COMET send error"], err);
@ -298,8 +298,14 @@ An "emitter" object must have a function
dataType: "json",
data: {mode: 'receive', 'suid': client_hash},
success: function(data) {
log("ajax data received:", data);
Evennia.emit(data[0], data[1], data[2]);
// log("ajax data received:", data);
if (data[0] === "ajax_keepalive") {
// special ajax keepalive check - return immediately
msg("", "keepalive");
} else {
// not a keepalive
Evennia.emit(data[0], data[1], data[2]);
}
poll(); // immiately start a new request
},
error: function(req, stat, err) {