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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
public class TestHttp2Section_3_5 extends Http2TestBase {
@Test
public void testNoConnectionPreface() throws Exception {
enableHttp2();
configureAndStartWebApplication();
openClientConnection();
doHttpUpgrade();
// Server settings
parser.readFrame();
Assert.assertEquals("0-Settings-[3]-[200]\n" + "0-Settings-End\n", output.getTrace());
output.clearTrace();
// Should send client preface here. This will trigger an error.
// Send two pings (2*(9+8)=34 bytes) as server looks for entire preface
// of 24 bytes.
sendPing();
// Depending on timing, this ping may fail after the header has been
// sent but before the ping body since:
// 9 (ping 1 header) + 8 (ping 1 body) + 9 (ping 2 header) = 26 which
// which is enough data for the server to determine that the preface is
// invalid and close the connection. A subsequent attempt to send ping 2
// body will fail.
try {
sendPing();
} catch (IOException ignore) {
// Ignore
}
// If the client preface had been valid, this would be an
// acknowledgement. Of the settings. As the preface was invalid, it
// should be a GOAWAY frame.
try {
parser.readFrame();
Assert.assertTrue(output.getTrace(), output.getTrace().startsWith("0-Goaway-[1]-[1]-["));
} catch (IOException ioe) {
// Ignore
// This is expected on some platforms and depends on timing. Once
// the server closes the connection the client may see an exception
// when trying to read the GOAWAY frame.
}
}
}
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