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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.nio.ByteBuffer;
import org.junit.Assert;
import org.junit.Test;
/**
* Unit tests for Section 6.8 of <a href="https://tools.ietf.org/html/rfc7540">RFC 7540</a>. <br>
* The order of tests in this class is aligned with the order of the requirements in the RFC.
*/
public class TestHttp2Section_6_8 extends Http2TestBase {
private static final boolean RELAX_TIMING = Boolean.getBoolean("tomcat.test.relaxTiming");
private static final long PING_ACK_DELAY_MS = 2000;
// On slow systems (Gump) may need to be higher
private static final long TIMING_MARGIN_MS = RELAX_TIMING ? 1000 : 200;
@Test
public void testGoawayIgnoreNewStreams() throws Exception {
setPingAckDelayMillis(PING_ACK_DELAY_MS);
http2Connect();
http2Protocol.setMaxConcurrentStreams(200);
Thread.sleep(PING_ACK_DELAY_MS + TIMING_MARGIN_MS);
getTomcatInstance().getConnector().pause();
// Go away
parser.readFrame();
Assert.assertEquals("0-Goaway-[2147483647]-[0]-[null]", output.getTrace());
output.clearTrace();
// Should be processed
sendSimpleGetRequest(3);
Thread.sleep(PING_ACK_DELAY_MS + TIMING_MARGIN_MS);
// Should be ignored
sendSimpleGetRequest(5);
parser.readFrame();
parser.readFrame();
Assert.assertEquals(getSimpleResponseTrace(3), output.getTrace());
output.clearTrace();
// Finally the go away frame
parser.readFrame();
Assert.assertEquals("0-Goaway-[3]-[0]-[null]", output.getTrace());
}
@Test
public void testGoawayIgnoreNewStreamsAllowTrailers() throws Exception {
setPingAckDelayMillis(PING_ACK_DELAY_MS);
http2Connect();
http2Protocol.setMaxConcurrentStreams(200);
// Ensure we see all the Window updates
http2Protocol.setOverheadWindowUpdateThreshold(0);
// Enable trailer headers
http2Protocol.setAllowedTrailerHeaders(TRAILER_HEADER_NAME);
Thread.sleep(PING_ACK_DELAY_MS + TIMING_MARGIN_MS);
getTomcatInstance().getConnector().pause();
// Go away
parser.readFrame();
Assert.assertEquals("0-Goaway-[2147483647]-[0]-[null]", output.getTrace());
output.clearTrace();
// Should be processed
byte[] headersFrameHeader = new byte[9];
ByteBuffer headersPayload = ByteBuffer.allocate(128);
byte[] dataFrameHeader = new byte[9];
ByteBuffer dataPayload = ByteBuffer.allocate(256);
byte[] trailerFrameHeader = new byte[9];
ByteBuffer trailerPayload = ByteBuffer.allocate(256);
buildPostRequest(headersFrameHeader, headersPayload, false, dataFrameHeader, dataPayload, null, true, 3);
// Write the headers
writeFrame(headersFrameHeader, headersPayload);
// Body
writeFrame(dataFrameHeader, dataPayload);
Thread.sleep(PING_ACK_DELAY_MS + TIMING_MARGIN_MS);
// Should be ignored
sendSimpleGetRequest(5);
// Trailers
buildTrailerHeaders(trailerFrameHeader, trailerPayload, 3);
writeFrame(trailerFrameHeader, trailerPayload);
// Window updates after reading Stream 3 body
parser.readFrame();
parser.readFrame();
Assert.assertEquals("0-WindowSize-[256]\n3-WindowSize-[256]\n", output.getTrace());
output.clearTrace();
// Go away frame after trying to send a GET on stream 5
parser.readFrame();
Assert.assertEquals("0-Goaway-[3]-[0]-[null]", output.getTrace());
output.clearTrace();
// Stream 3 headers and body once trailer has been read (it is used to create body)
parser.readFrame();
parser.readFrame();
String len = Integer.toString(256 + TRAILER_HEADER_VALUE.length());
String expected = "3-HeadersStart\n" + "3-Header-[:status]-[200]\n" +
"3-Header-[content-length]-[" + len + "]\n" + "3-Header-[date]-[" + DEFAULT_DATE + "]\n" +
"3-HeadersEnd\n3-Body-" + len + "\n" + "3-EndOfStream\n";
Assert.assertEquals(expected, output.getTrace());
output.clearTrace();
}
@Test
public void testGoawayFrameNonZeroStream() throws Exception {
// HTTP2 upgrade
http2Connect();
sendGoaway(1, 1, Http2Error.NO_ERROR.getCode());
handleGoAwayResponse(1);
}
// TODO Test header processing and window size processing for ignored
// streams
}
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