private static void assertDataFrame(Object msg, int streamId, boolean last) {
assertNotNull(msg);
assertTrue(msg instanceof SpdyDataFrame);
SpdyDataFrame spdyDataFrame = (SpdyDataFrame) msg;
assertEquals(spdyDataFrame.getStreamId(), streamId);
assertEquals(spdyDataFrame.isLast(), last);
}
private static void testSpdySessionHandlerGoAway(SpdyVersion version, boolean server) {
EmbeddedChannel sessionHandler =
new EmbeddedChannel(
new SpdySessionHandler(version, server), new EchoHandler(closeSignal, server));
while (sessionHandler.readOutbound() != null) {
continue;
}
int localStreamId = server ? 1 : 2;
SpdySynStreamFrame spdySynStreamFrame =
new DefaultSpdySynStreamFrame(localStreamId, 0, (byte) 0);
spdySynStreamFrame.headers().set("Compression", "test");
SpdyDataFrame spdyDataFrame = new DefaultSpdyDataFrame(localStreamId);
spdyDataFrame.setLast(true);
// Send an initial request
sessionHandler.writeInbound(spdySynStreamFrame);
assertSynReply(
sessionHandler.readOutbound(), localStreamId, false, spdySynStreamFrame.headers());
assertNull(sessionHandler.readOutbound());
sessionHandler.writeInbound(spdyDataFrame);
assertDataFrame(sessionHandler.readOutbound(), localStreamId, true);
assertNull(sessionHandler.readOutbound());
// Check if session handler sends a GOAWAY frame when closing
sessionHandler.writeInbound(closeMessage);
assertGoAway(sessionHandler.readOutbound(), localStreamId);
assertNull(sessionHandler.readOutbound());
localStreamId += 2;
// Check if session handler returns REFUSED_STREAM if it receives
// SYN_STREAM frames after sending a GOAWAY frame
spdySynStreamFrame.setStreamId(localStreamId);
sessionHandler.writeInbound(spdySynStreamFrame);
assertRstStream(sessionHandler.readOutbound(), localStreamId, SpdyStreamStatus.REFUSED_STREAM);
assertNull(sessionHandler.readOutbound());
// Check if session handler ignores Data frames after sending
// a GOAWAY frame
spdyDataFrame.setStreamId(localStreamId);
sessionHandler.writeInbound(spdyDataFrame);
assertNull(sessionHandler.readOutbound());
sessionHandler.finish();
}
private static void testSpdySessionHandler(SpdyVersion version, boolean server) {
EmbeddedChannel sessionHandler =
new EmbeddedChannel(
new SpdySessionHandler(version, server), new EchoHandler(closeSignal, server));
while (sessionHandler.readOutbound() != null) {
continue;
}
int localStreamId = server ? 1 : 2;
int remoteStreamId = server ? 2 : 1;
SpdySynStreamFrame spdySynStreamFrame =
new DefaultSpdySynStreamFrame(localStreamId, 0, (byte) 0);
spdySynStreamFrame.headers().set("Compression", "test");
SpdyDataFrame spdyDataFrame = new DefaultSpdyDataFrame(localStreamId);
spdyDataFrame.setLast(true);
// Check if session handler returns INVALID_STREAM if it receives
// a data frame for a Stream-ID that is not open
sessionHandler.writeInbound(new DefaultSpdyDataFrame(localStreamId));
assertRstStream(sessionHandler.readOutbound(), localStreamId, SpdyStreamStatus.INVALID_STREAM);
assertNull(sessionHandler.readOutbound());
// Check if session handler returns PROTOCOL_ERROR if it receives
// a data frame for a Stream-ID before receiving a SYN_REPLY frame
sessionHandler.writeInbound(new DefaultSpdyDataFrame(remoteStreamId));
assertRstStream(sessionHandler.readOutbound(), remoteStreamId, SpdyStreamStatus.PROTOCOL_ERROR);
assertNull(sessionHandler.readOutbound());
remoteStreamId += 2;
// Check if session handler returns PROTOCOL_ERROR if it receives
// multiple SYN_REPLY frames for the same active Stream-ID
sessionHandler.writeInbound(new DefaultSpdySynReplyFrame(remoteStreamId));
assertNull(sessionHandler.readOutbound());
sessionHandler.writeInbound(new DefaultSpdySynReplyFrame(remoteStreamId));
assertRstStream(sessionHandler.readOutbound(), remoteStreamId, SpdyStreamStatus.STREAM_IN_USE);
assertNull(sessionHandler.readOutbound());
remoteStreamId += 2;
// Check if frame codec correctly compresses/uncompresses headers
sessionHandler.writeInbound(spdySynStreamFrame);
assertSynReply(
sessionHandler.readOutbound(), localStreamId, false, spdySynStreamFrame.headers());
assertNull(sessionHandler.readOutbound());
SpdyHeadersFrame spdyHeadersFrame = new DefaultSpdyHeadersFrame(localStreamId);
spdyHeadersFrame.headers().add("HEADER", "test1");
spdyHeadersFrame.headers().add("HEADER", "test2");
sessionHandler.writeInbound(spdyHeadersFrame);
assertHeaders(sessionHandler.readOutbound(), localStreamId, false, spdyHeadersFrame.headers());
assertNull(sessionHandler.readOutbound());
localStreamId += 2;
// Check if session handler closed the streams using the number
// of concurrent streams and that it returns REFUSED_STREAM
// if it receives a SYN_STREAM frame it does not wish to accept
spdySynStreamFrame.setStreamId(localStreamId);
spdySynStreamFrame.setLast(true);
spdySynStreamFrame.setUnidirectional(true);
sessionHandler.writeInbound(spdySynStreamFrame);
assertRstStream(sessionHandler.readOutbound(), localStreamId, SpdyStreamStatus.REFUSED_STREAM);
assertNull(sessionHandler.readOutbound());
// Check if session handler rejects HEADERS for closed streams
int testStreamId = spdyDataFrame.getStreamId();
sessionHandler.writeInbound(spdyDataFrame);
assertDataFrame(sessionHandler.readOutbound(), testStreamId, spdyDataFrame.isLast());
assertNull(sessionHandler.readOutbound());
spdyHeadersFrame.setStreamId(testStreamId);
sessionHandler.writeInbound(spdyHeadersFrame);
assertRstStream(sessionHandler.readOutbound(), testStreamId, SpdyStreamStatus.INVALID_STREAM);
assertNull(sessionHandler.readOutbound());
// Check if session handler drops active streams if it receives
// a RST_STREAM frame for that Stream-ID
sessionHandler.writeInbound(new DefaultSpdyRstStreamFrame(remoteStreamId, 3));
assertNull(sessionHandler.readOutbound());
remoteStreamId += 2;
// Check if session handler honors UNIDIRECTIONAL streams
spdySynStreamFrame.setLast(false);
sessionHandler.writeInbound(spdySynStreamFrame);
assertNull(sessionHandler.readOutbound());
spdySynStreamFrame.setUnidirectional(false);
// Check if session handler returns PROTOCOL_ERROR if it receives
// multiple SYN_STREAM frames for the same active Stream-ID
sessionHandler.writeInbound(spdySynStreamFrame);
assertRstStream(sessionHandler.readOutbound(), localStreamId, SpdyStreamStatus.PROTOCOL_ERROR);
assertNull(sessionHandler.readOutbound());
localStreamId += 2;
// Check if session handler returns PROTOCOL_ERROR if it receives
// a SYN_STREAM frame with an invalid Stream-ID
spdySynStreamFrame.setStreamId(localStreamId - 1);
sessionHandler.writeInbound(spdySynStreamFrame);
assertRstStream(
sessionHandler.readOutbound(), localStreamId - 1, SpdyStreamStatus.PROTOCOL_ERROR);
assertNull(sessionHandler.readOutbound());
spdySynStreamFrame.setStreamId(localStreamId);
// Check if session handler returns PROTOCOL_ERROR if it receives
// an invalid HEADERS frame
spdyHeadersFrame.setStreamId(localStreamId);
spdyHeadersFrame.setInvalid();
sessionHandler.writeInbound(spdyHeadersFrame);
assertRstStream(sessionHandler.readOutbound(), localStreamId, SpdyStreamStatus.PROTOCOL_ERROR);
assertNull(sessionHandler.readOutbound());
sessionHandler.finish();
}