Author: markt Date: Wed Jun 10 21:31:08 2015 New Revision: 1684769 URL: http://svn.apache.org/r1684769 Log: Testing HTTP/2 5.1.2 Make maxConcurrentStream configurable so it can be tested I have a test for maxConcurrentStreams that works but it appears to be triggering some flow control bugs I need to iron out. Meanwhile, here are the fixes for the maxConcurrentStreams bugs it did find. Ensure headers payload is swallowed if the stream is rejected due to maxConcurrentStreams Only decrement active stream count when a stream goes inactive
Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2Parser.java tomcat/trunk/java/org/apache/coyote/http2/Http2Protocol.java tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2Parser.java URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/Http2Parser.java?rev=1684769&r1=1684768&r2=1684769&view=diff ============================================================================== --- tomcat/trunk/java/org/apache/coyote/http2/Http2Parser.java (original) +++ tomcat/trunk/java/org/apache/coyote/http2/Http2Parser.java Wed Jun 10 21:31:08 2015 @@ -167,7 +167,12 @@ class Http2Parser { if (hpackDecoder == null) { hpackDecoder = output.getHpackDecoder(); } - hpackDecoder.setHeaderEmitter(output.headersStart(streamId)); + try { + hpackDecoder.setHeaderEmitter(output.headersStart(streamId)); + } catch (StreamException se) { + swallow(payloadSize); + throw se; + } int padLength = 0; boolean padding = Flags.hasPadding(flags); Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2Protocol.java URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/Http2Protocol.java?rev=1684769&r1=1684768&r2=1684769&view=diff ============================================================================== --- tomcat/trunk/java/org/apache/coyote/http2/Http2Protocol.java (original) +++ tomcat/trunk/java/org/apache/coyote/http2/Http2Protocol.java Wed Jun 10 21:31:08 2015 @@ -29,6 +29,8 @@ import org.apache.tomcat.util.net.Socket public class Http2Protocol implements UpgradeProtocol { + private static final long DEFAULT_MAX_CONCURRENT_STREAMS = 200; + private static final String HTTP_UPGRADE_NAME = "h2c"; private static final String ALPN_NAME = "h2"; private static final byte[] ALPN_IDENTIFIER = ALPN_NAME.getBytes(StandardCharsets.UTF_8); @@ -37,6 +39,7 @@ public class Http2Protocol implements Up private long readTimeout = 10000; private long keepAliveTimeout = 30000; private long writeTimeout = 10000; + private long maxConcurrentStreams = DEFAULT_MAX_CONCURRENT_STREAMS; @Override public String getHttpUpgradeName(boolean isSecure) { @@ -73,6 +76,7 @@ public class Http2Protocol implements Up result.setReadTimeout(getReadTimeout()); result.setKeepAliveTimeout(getKeepAliveTimeout()); result.setWriteTimeout(getWriteTimeout()); + result.setMaxConcurrentStreams(getMaxConcurrentStreams()); return result; } @@ -128,4 +132,14 @@ public class Http2Protocol implements Up public void setWriteTimeout(long writeTimeout) { this.writeTimeout = writeTimeout; } + + + public long getMaxConcurrentStreams() { + return maxConcurrentStreams; + } + + + public void setMaxConcurrentStreams(long maxConcurrentStreams) { + this.maxConcurrentStreams = maxConcurrentStreams; + } } Modified: tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java?rev=1684769&r1=1684768&r2=1684769&view=diff ============================================================================== --- tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java (original) +++ tomcat/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java Wed Jun 10 21:31:08 2015 @@ -465,7 +465,10 @@ public class Http2UpgradeHandler extends if (stream.getOutputBuffer().isFinished()) { header[4] = FLAG_END_OF_STREAM; stream.sentEndOfStream(); - } + if (!stream.isActive()) { + activeRemoteStreamCount--; + } + } ByteUtil.set31Bits(header, 5, stream.getIdentifier().intValue()); socketWrapper.write(true, header, 0, header.length); socketWrapper.write(true, data.array(), data.arrayOffset() + data.position(), @@ -723,6 +726,11 @@ public class Http2UpgradeHandler extends } + public void setMaxConcurrentStreams(long maxConcurrentStreams) { + localSettings.setMaxConcurrentStreams(maxConcurrentStreams); + } + + // ----------------------------------------------- Http2Parser.Input methods @Override @@ -776,10 +784,10 @@ public class Http2UpgradeHandler extends @Override public void receiveEndOfStream(int streamId) throws ConnectionException { Stream stream = getStream(streamId, true); - if (stream.isActive()) { + stream.receivedEndOfStream(); + if (!stream.isActive()) { activeRemoteStreamCount--; } - stream.receivedEndOfStream(); } --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org