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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Summary:
// Test whether the connection limit is honored when http2 proxy is used.
//
// Test step:
// 1. Create 30 http requests.
// 2. Check if the count of all sockets created by proxy is less than 6.
"use strict";
/* import-globals-from head_cache.js */
/* import-globals-from head_cookies.js */
/* import-globals-from head_channels.js */
/* import-globals-from head_servers.js */
function makeChan(uri) {
let chan = NetUtil.newChannel({
uri,
loadUsingSystemPrincipal: true,
}).QueryInterface(Ci.nsIHttpChannel);
chan.loadFlags = Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;
return chan;
}
add_task(async function test_connection_limit() {
let certdb = Cc["@mozilla.org/security/x509certdb;1"].getService(
Ci.nsIX509CertDB
);
addCertFromFile(certdb, "http2-ca.pem", "CTu,u,u");
addCertFromFile(certdb, "proxy-ca.pem", "CTu,u,u");
let proxy = new NodeHTTP2ProxyServer();
await proxy.start();
registerCleanupFunction(async () => {
await proxy.stop();
});
const maxConnections = 6;
Services.prefs.setIntPref(
"network.http.max-persistent-connections-per-server",
maxConnections
);
registerCleanupFunction(async () => {
Services.prefs.clearUserPref(
"network.http.max-persistent-connections-per-server"
);
});
await with_node_servers([NodeHTTP2Server], async server => {
await server.registerPathHandler("/test", (req, resp) => {
resp.writeHead(200);
resp.end("All good");
});
let promises = [];
for (let i = 0; i < 30; ++i) {
let chan = makeChan(`${server.origin()}/test`);
promises.push(
new Promise(resolve => {
chan.asyncOpen(
new ChannelListener(resolve, null, CL_ALLOW_UNKNOWN_CL)
);
})
);
}
await Promise.all(promises);
let count = await proxy.socketCount(server.port());
Assert.lessOrEqual(
count,
maxConnections,
"socket count should be less than maxConnections"
);
});
});