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'use strict';
const common = require('../common');
if (!common.hasCrypto) {
common.skip('missing crypto');
}
// Issue #23116
// nghttp2 keeps closed stream structures around in memory (couple of hundred
// bytes each) until a session is closed. It does this to maintain the priority
// tree. However, it limits the number of requests that can be made in a
// session before our memory tracking (correctly) kicks in.
// The fix is to tell nghttp2 to forget about closed streams. We don't make use
// of priority anyway.
// Without the fix, this test fails at ~40k requests with an exception:
// Error [ERR_HTTP2_STREAM_ERROR]: Stream closed with error code
// NGHTTP2_ENHANCE_YOUR_CALM
const http2 = require('http2');
const assert = require('assert');
const server = http2.createServer({ maxSessionMemory: 1 });
server.on('session', function(session) {
session.on('stream', function(stream) {
stream.on('end', common.mustCall(function() {
this.respond({
':status': 200
}, {
endStream: true
});
}));
stream.resume();
});
});
server.listen(0, function() {
const client = http2.connect(`http://localhost:${server.address().port}`);
function next(i) {
if (i === 10000) {
client.close();
return server.close();
}
const stream = client.request({ ':method': 'POST' });
stream.on('response', common.mustCall(function(headers) {
assert.strictEqual(headers[':status'], 200);
this.on('close', common.mustCall(() => next(i + 1)));
}));
stream.end();
}
next(0);
});
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