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Bug 763526 - abort telemetry ping sending after first failed ping; r=taras

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This commit is contained in:
Nathan Froyd 2012-06-12 11:34:18 -04:00
parent 5a582d70ca
commit b2066828b2
1 changed files with 38 additions and 6 deletions
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44
toolkit/components/telemetry/TelemetryPing.js
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@ -490,12 +490,40 @@ TelemetryPing.prototype = {
send: function send(reason, server) {
// populate histograms one last time
this.gatherMemory();
for (let data in this.getPayloads(reason)) {
this.doPing(server, data.slug, data.payload, !data.previous);
}
this.sendPingsFromIterator(server, Iterator(this.getPayloads(reason)));
},
doPing: function doPing(server, slug, payload, recordSuccess) {
/**
* What we want to do is the following:
*
* for data in getPayloads(reason):
* if sending ping data to server failed:
* break;
*
* but we can't do that, since XMLHttpRequest is async. What we do
* instead is let this function control the essential looping logic
* and provide callbacks for XMLHttpRequest when a request has
* finished.
*/
sendPingsFromIterator: function sendPingsFromIterator(server, i) {
let data = null;
try {
data = i.next();
} catch (e if e instanceof StopIteration) {
return;
}
function onSuccess() {
this.sendPingsFromIterator(server, i);
}
function onError() {
/* nothing */
}
this.doPing(server, data.slug, data.payload, !data.previous,
onSuccess.bind(this), onError.bind(this));
},
doPing: function doPing(server, slug, payload, recordSuccess,
onSuccess, onError) {
let submitPath = "/submit/telemetry/" + slug;
let url = server + submitPath;
let request = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
@ -527,8 +555,12 @@ TelemetryPing.prototype = {
if (slug == "test-ping" && recordSuccess)
Services.obs.notifyObservers(null, "telemetry-test-xhr-complete", null);
}
request.addEventListener("error", function(aEvent) finishRequest(request.channel), false);
request.addEventListener("load", function(aEvent) finishRequest(request.channel), false);
function handler(callback) {
return function(event) { finishRequest(request.channel); callback() };
}
request.addEventListener("error", handler(onError), false);
request.addEventListener("load", handler(onSuccess), false);
request.setRequestHeader("Content-Encoding", "gzip");
let payloadStream = Cc["@mozilla.org/io/string-input-stream;1"]