Examples with HeadersGenerator org.eclipse.jetty.http2.generator.HeadersGenerator used on opensource projects

Example 1 with HeadersGenerator

use of org.eclipse.jetty.http2.generator.HeadersGenerator in project jetty.project by eclipse.

the class ContinuationParseTest method testParseOneByteAtATime.

@Test
public void testParseOneByteAtATime() throws Exception {
    ByteBufferPool byteBufferPool = new MappedByteBufferPool();
    HeadersGenerator generator = new HeadersGenerator(new HeaderGenerator(), new HpackEncoder());
    final List<HeadersFrame> frames = new ArrayList<>();
    Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

        @Override
        public void onHeaders(HeadersFrame frame) {
            frames.add(frame);
        }

        @Override
        public void onConnectionFailure(int error, String reason) {
            frames.add(new HeadersFrame(null, null, false));
        }
    }, 4096, 8192);
    // Iterate a few times to be sure the parser is properly reset.
    for (int i = 0; i < 2; ++i) {
        int streamId = 13;
        HttpFields fields = new HttpFields();
        fields.put("Accept", "text/html");
        fields.put("User-Agent", "Jetty");
        MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields);
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.generateHeaders(lease, streamId, metaData, null, true);
        List<ByteBuffer> byteBuffers = lease.getByteBuffers();
        Assert.assertEquals(2, byteBuffers.size());
        ByteBuffer headersBody = byteBuffers.remove(1);
        int start = headersBody.position();
        int length = headersBody.remaining();
        int oneThird = length / 3;
        int lastThird = length - 2 * oneThird;
        // Adjust the length of the HEADERS frame.
        ByteBuffer headersHeader = byteBuffers.get(0);
        headersHeader.put(0, (byte) ((oneThird >>> 16) & 0xFF));
        headersHeader.put(1, (byte) ((oneThird >>> 8) & 0xFF));
        headersHeader.put(2, (byte) (oneThird & 0xFF));
        // Remove the END_HEADERS flag from the HEADERS header.
        headersHeader.put(4, (byte) (headersHeader.get(4) & ~Flags.END_HEADERS));
        // New HEADERS body.
        headersBody.position(start);
        headersBody.limit(start + oneThird);
        byteBuffers.add(headersBody.slice());
        // Split the rest of the HEADERS body into CONTINUATION frames.
        // First CONTINUATION header.
        byte[] continuationHeader1 = new byte[9];
        continuationHeader1[0] = (byte) ((oneThird >>> 16) & 0xFF);
        continuationHeader1[1] = (byte) ((oneThird >>> 8) & 0xFF);
        continuationHeader1[2] = (byte) (oneThird & 0xFF);
        continuationHeader1[3] = (byte) FrameType.CONTINUATION.getType();
        continuationHeader1[4] = Flags.NONE;
        continuationHeader1[5] = 0x00;
        continuationHeader1[6] = 0x00;
        continuationHeader1[7] = 0x00;
        continuationHeader1[8] = (byte) streamId;
        byteBuffers.add(ByteBuffer.wrap(continuationHeader1));
        // First CONTINUATION body.
        headersBody.position(start + oneThird);
        headersBody.limit(start + 2 * oneThird);
        byteBuffers.add(headersBody.slice());
        // Second CONTINUATION header.
        byte[] continuationHeader2 = new byte[9];
        continuationHeader2[0] = (byte) ((lastThird >>> 16) & 0xFF);
        continuationHeader2[1] = (byte) ((lastThird >>> 8) & 0xFF);
        continuationHeader2[2] = (byte) (lastThird & 0xFF);
        continuationHeader2[3] = (byte) FrameType.CONTINUATION.getType();
        continuationHeader2[4] = Flags.END_HEADERS;
        continuationHeader2[5] = 0x00;
        continuationHeader2[6] = 0x00;
        continuationHeader2[7] = 0x00;
        continuationHeader2[8] = (byte) streamId;
        byteBuffers.add(ByteBuffer.wrap(continuationHeader2));
        headersBody.position(start + 2 * oneThird);
        headersBody.limit(start + length);
        byteBuffers.add(headersBody.slice());
        frames.clear();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            while (buffer.hasRemaining()) {
                parser.parse(ByteBuffer.wrap(new byte[] { buffer.get() }));
            }
        }
        Assert.assertEquals(1, frames.size());
        HeadersFrame frame = frames.get(0);
        Assert.assertEquals(streamId, frame.getStreamId());
        Assert.assertTrue(frame.isEndStream());
        MetaData.Request request = (MetaData.Request) frame.getMetaData();
        Assert.assertEquals(metaData.getMethod(), request.getMethod());
        Assert.assertEquals(metaData.getURI(), request.getURI());
        for (int j = 0; j < fields.size(); ++j) {
            HttpField field = fields.getField(j);
            Assert.assertTrue(request.getFields().contains(field));
        }
        PriorityFrame priority = frame.getPriority();
        Assert.assertNull(priority);
    }
}

Example 2 with HeadersGenerator

use of org.eclipse.jetty.http2.generator.HeadersGenerator in project jetty.project by eclipse.

the class HeadersGenerateParseTest method testGenerateParse.

@Test
public void testGenerateParse() throws Exception {
    HeadersGenerator generator = new HeadersGenerator(new HeaderGenerator(), new HpackEncoder());
    int streamId = 13;
    HttpFields fields = new HttpFields();
    fields.put("Accept", "text/html");
    fields.put("User-Agent", "Jetty");
    MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields);
    final List<HeadersFrame> frames = new ArrayList<>();
    Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

        @Override
        public void onHeaders(HeadersFrame frame) {
            frames.add(frame);
        }
    }, 4096, 8192);
    // Iterate a few times to be sure generator and parser are properly reset.
    for (int i = 0; i < 2; ++i) {
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        PriorityFrame priorityFrame = new PriorityFrame(streamId, 3 * streamId, 200, true);
        generator.generateHeaders(lease, streamId, metaData, priorityFrame, true);
        frames.clear();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            while (buffer.hasRemaining()) {
                parser.parse(buffer);
            }
        }
        Assert.assertEquals(1, frames.size());
        HeadersFrame frame = frames.get(0);
        Assert.assertEquals(streamId, frame.getStreamId());
        Assert.assertTrue(frame.isEndStream());
        MetaData.Request request = (MetaData.Request) frame.getMetaData();
        Assert.assertEquals(metaData.getMethod(), request.getMethod());
        Assert.assertEquals(metaData.getURI(), request.getURI());
        for (int j = 0; j < fields.size(); ++j) {
            HttpField field = fields.getField(j);
            Assert.assertTrue(request.getFields().contains(field));
        }
        PriorityFrame priority = frame.getPriority();
        Assert.assertNotNull(priority);
        Assert.assertEquals(priorityFrame.getStreamId(), priority.getStreamId());
        Assert.assertEquals(priorityFrame.getParentStreamId(), priority.getParentStreamId());
        Assert.assertEquals(priorityFrame.getWeight(), priority.getWeight());
        Assert.assertEquals(priorityFrame.isExclusive(), priority.isExclusive());
    }
}

Example 3 with HeadersGenerator

use of org.eclipse.jetty.http2.generator.HeadersGenerator in project jetty.project by eclipse.

the class HeadersGenerateParseTest method testGenerateParseOneByteAtATime.

@Test
public void testGenerateParseOneByteAtATime() throws Exception {
    HeadersGenerator generator = new HeadersGenerator(new HeaderGenerator(), new HpackEncoder());
    final List<HeadersFrame> frames = new ArrayList<>();
    Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

        @Override
        public void onHeaders(HeadersFrame frame) {
            frames.add(frame);
        }
    }, 4096, 8192);
    // Iterate a few times to be sure generator and parser are properly reset.
    for (int i = 0; i < 2; ++i) {
        int streamId = 13;
        HttpFields fields = new HttpFields();
        fields.put("Accept", "text/html");
        fields.put("User-Agent", "Jetty");
        MetaData.Request metaData = new MetaData.Request("GET", HttpScheme.HTTP, new HostPortHttpField("localhost:8080"), "/path", HttpVersion.HTTP_2, fields);
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        PriorityFrame priorityFrame = new PriorityFrame(streamId, 3 * streamId, 200, true);
        generator.generateHeaders(lease, streamId, metaData, priorityFrame, true);
        frames.clear();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            buffer = buffer.slice();
            while (buffer.hasRemaining()) {
                parser.parse(ByteBuffer.wrap(new byte[] { buffer.get() }));
            }
        }
        Assert.assertEquals(1, frames.size());
        HeadersFrame frame = frames.get(0);
        Assert.assertEquals(streamId, frame.getStreamId());
        Assert.assertTrue(frame.isEndStream());
        MetaData.Request request = (MetaData.Request) frame.getMetaData();
        Assert.assertEquals(metaData.getMethod(), request.getMethod());
        Assert.assertEquals(metaData.getURI(), request.getURI());
        for (int j = 0; j < fields.size(); ++j) {
            HttpField field = fields.getField(j);
            Assert.assertTrue(request.getFields().contains(field));
        }
        PriorityFrame priority = frame.getPriority();
        Assert.assertNotNull(priority);
        Assert.assertEquals(priorityFrame.getStreamId(), priority.getStreamId());
        Assert.assertEquals(priorityFrame.getParentStreamId(), priority.getParentStreamId());
        Assert.assertEquals(priorityFrame.getWeight(), priority.getWeight());
        Assert.assertEquals(priorityFrame.isExclusive(), priority.isExclusive());
    }
}