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increment retry delay for failed periodic requests

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This commit is contained in:
Jenny Danzmayr 2018-12-19 04:41:44 +01:00
parent 36b3ee5596
commit f635d5991c
1 changed files with 6 additions and 1 deletions
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7
src/c3nav/site/static/site/js/c3nav.js
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@ -1249,12 +1249,17 @@ c3nav = {
schedule_fetch_updates: function (timeout) {
window.setTimeout(c3nav.fetch_updates, timeout || 20000);
},
_fetch_updates_failure_count: 0,
fetch_updates: function () {
$.get('/api/updates/fetch/', c3nav._fetch_updates_callback).fail(function() {
c3nav.schedule_fetch_updates(15000);
c3nav._fetch_updates_failure_count++;
waittime = Math.min(5 + c3nav._fetch_updates_failure_count * 5, 120);
console.log('fetch updates failed, retying in ' + waittime + 'sec');
c3nav.schedule_fetch_updates(waittime*1000);
});
},
_fetch_updates_callback: function (data) {
c3nav._fetch_updates_failure_count = 0;
c3nav.schedule_fetch_updates();
if (c3nav.last_site_update !== data.last_site_update) {
c3nav.new_site_update = true;