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'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const fixtures = require('../common/fixtures');
const http2 = require('http2');
// Regression test for https://github.com/nodejs/node/issues/29223.
// There was a "leak" in the accounting of session memory leading
// to streams eventually failing with NGHTTP2_ENHANCE_YOUR_CALM.
const server = http2.createSecureServer({
key: fixtures.readKey('agent2-key.pem'),
cert: fixtures.readKey('agent2-cert.pem'),
});
// Simple server that sends 200k and closes the stream.
const data200k = 'a'.repeat(200 * 1024);
server.on('stream', (stream) => {
stream.write(data200k);
stream.end();
});
server.listen(0, common.mustCall(() => {
const client = http2.connect(`https://localhost:${server.address().port}`, {
ca: fixtures.readKey('agent2-cert.pem'),
servername: 'agent2',
// Set maxSessionMemory to 1MB so the leak causes errors faster.
maxSessionMemory: 1
});
// Repeatedly create a new stream and read the incoming data. Even though we
// only have one stream active at a time, prior to the fix for #29223,
// session memory would steadily increase and we'd eventually hit the 1MB
// maxSessionMemory limit and get NGHTTP2_ENHANCE_YOUR_CALM errors trying to
// create new streams.
let streamsLeft = 50;
function newStream() {
const stream = client.request({ ':path': '/' });
stream.on('data', () => { });
stream.on('close', () => {
if (streamsLeft-- > 0) {
newStream();
} else {
client.destroy();
server.close();
}
});
}
newStream();
}));
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