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+// test bug 1312782.
+//
+// Summary:
+// Assume we have 6 http requests in queue, 4 are from the focused window and
+// the other 2 are from the non-focused window. We want to test that the server
+// should receive 4 requests from the focused window first and then receive the
+// rest 2 requests.
+//
+// Test step:
+// 1. Create 6 dummy http requests. Server would not process responses until get
+// all 6 requests.
+// 2. Once server receive 6 dummy requests, create 4 http requests with the focused
+// window id and 2 requests with non-focused window id. Note that the requets's
+// id is a serial number starting from the focused window id.
+// 3. Server starts to process the 6 dummy http requests, so the client can start to
+// process the pending queue. Server will queue those http requests again and wait
+// until get all 6 requests.
+// 4. When the server receive all 6 requests, starts to check that the request ids of
+// the first 4 requests in the queue should be all less than focused window id
+// plus 4. Also, the request ids of the rest requests should be less than non-focused
+// window id + 2.
+
+"use strict";
+
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+var server = new HttpServer();
+server.start(-1);
+var baseURL = "http://localhost:" + server.identity.primaryPort + "/";
+var maxConnections = 0;
+var debug = false;
+const FOCUSED_WINDOW_ID = 123;
+var NON_FOCUSED_WINDOW_ID;
+var FOCUSED_WINDOW_REQUEST_COUNT;
+var NON_FOCUSED_WINDOW_REQUEST_COUNT;
+
+function log(msg) {
+ if (!debug) {
+ return;
+ }
+
+ if (msg) {
+ dump("TEST INFO | " + msg + "\n");
+ }
+}
+
+function make_channel(url) {
+ var request = NetUtil.newChannel({
+ uri: url,
+ loadUsingSystemPrincipal: true,
+ });
+ request.QueryInterface(Ci.nsIHttpChannel);
+ return request;
+}
+
+function serverStopListener() {
+ server.stop();
+}
+
+function createHttpRequest(browserId, requestId) {
+ let uri = baseURL;
+ var chan = make_channel(uri);
+ chan.browserId = browserId;
+ var listner = new HttpResponseListener(requestId);
+ chan.setRequestHeader("X-ID", requestId, false);
+ chan.setRequestHeader("Cache-control", "no-store", false);
+ chan.asyncOpen(listner);
+ log("Create http request id=" + requestId);
+}
+
+function setup_dummyHttpRequests() {
+ log("setup_dummyHttpRequests");
+ for (var i = 0; i < maxConnections; i++) {
+ createHttpRequest(0, i);
+ do_test_pending();
+ }
+}
+
+function setup_focusedWindowHttpRequests() {
+ log("setup_focusedWindowHttpRequests");
+ for (var i = 0; i < FOCUSED_WINDOW_REQUEST_COUNT; i++) {
+ createHttpRequest(FOCUSED_WINDOW_ID, FOCUSED_WINDOW_ID + i);
+ do_test_pending();
+ }
+}
+
+function setup_nonFocusedWindowHttpRequests() {
+ log("setup_nonFocusedWindowHttpRequests");
+ for (var i = 0; i < NON_FOCUSED_WINDOW_REQUEST_COUNT; i++) {
+ createHttpRequest(NON_FOCUSED_WINDOW_ID, NON_FOCUSED_WINDOW_ID + i);
+ do_test_pending();
+ }
+}
+
+function HttpResponseListener(id) {
+ this.id = id;
+}
+
+HttpResponseListener.prototype = {
+ onStartRequest(request) {},
+
+ onDataAvailable(request, stream, off, cnt) {},
+
+ onStopRequest(request, status) {
+ log("STOP id=" + this.id);
+ do_test_finished();
+ },
+};
+
+function check_response_id(responses, maxWindowId) {
+ for (var i = 0; i < responses.length; i++) {
+ var id = responses[i].getHeader("X-ID");
+ log("response id=" + id + " maxWindowId=" + maxWindowId);
+ Assert.ok(id < maxWindowId);
+ }
+}
+
+var responseQueue = [];
+function setup_http_server() {
+ log("setup_http_server");
+ maxConnections = Services.prefs.getIntPref(
+ "network.http.max-persistent-connections-per-server"
+ );
+ FOCUSED_WINDOW_REQUEST_COUNT = Math.floor(maxConnections * 0.8);
+ NON_FOCUSED_WINDOW_REQUEST_COUNT =
+ maxConnections - FOCUSED_WINDOW_REQUEST_COUNT;
+ NON_FOCUSED_WINDOW_ID = FOCUSED_WINDOW_ID + FOCUSED_WINDOW_REQUEST_COUNT;
+
+ var allDummyHttpRequestReceived = false;
+ // Start server; will be stopped at test cleanup time.
+ server.registerPathHandler("/", function (metadata, response) {
+ var id = metadata.getHeader("X-ID");
+ log("Server recived the response id=" + id);
+
+ response.processAsync();
+ response.setHeader("X-ID", id);
+ responseQueue.push(response);
+
+ if (
+ responseQueue.length == maxConnections &&
+ !allDummyHttpRequestReceived
+ ) {
+ log("received all dummy http requets");
+ allDummyHttpRequestReceived = true;
+ setup_nonFocusedWindowHttpRequests();
+ setup_focusedWindowHttpRequests();
+ processResponses();
+ } else if (responseQueue.length == maxConnections) {
+ var focusedWindowResponses = responseQueue.slice(
+ 0,
+ FOCUSED_WINDOW_REQUEST_COUNT
+ );
+ var nonFocusedWindowResponses = responseQueue.slice(
+ FOCUSED_WINDOW_REQUEST_COUNT,
+ responseQueue.length
+ );
+ check_response_id(
+ focusedWindowResponses,
+ FOCUSED_WINDOW_ID + FOCUSED_WINDOW_REQUEST_COUNT
+ );
+ check_response_id(
+ nonFocusedWindowResponses,
+ NON_FOCUSED_WINDOW_ID + NON_FOCUSED_WINDOW_REQUEST_COUNT
+ );
+ processResponses();
+ }
+ });
+
+ registerCleanupFunction(function () {
+ server.stop(serverStopListener);
+ });
+}
+
+function processResponses() {
+ while (responseQueue.length) {
+ var resposne = responseQueue.pop();
+ resposne.finish();
+ }
+}
+
+function run_test() {
+ // Make sure "network.http.active_tab_priority" is true, so we can expect to
+ // receive http requests with focused window id before others.
+ Services.prefs.setBoolPref("network.http.active_tab_priority", true);
+
+ setup_http_server();
+ setup_dummyHttpRequests();
+
+ var windowIdWrapper = Cc["@mozilla.org/supports-PRUint64;1"].createInstance(
+ Ci.nsISupportsPRUint64
+ );
+ windowIdWrapper.data = FOCUSED_WINDOW_ID;
+ var obsvc = Services.obs;
+ obsvc.notifyObservers(windowIdWrapper, "net:current-browser-id");
+}