Examples with HttpContent org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent used on opensource projects

Example 76 with HttpContent

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent in project ambry by linkedin.

the class CopyForcingByteBuf method setDigestAfterReadTest.

// digestIncorrectUsageTest() helpers.
/**
 * Tests for failure when {@link NettyRequest#setDigestAlgorithm(String)} after
 * {@link NettyRequest#readInto(AsyncWritableChannel, Callback)} is called.
 * @throws NoSuchAlgorithmException
 * @throws RestServiceException
 */
private void setDigestAfterReadTest() throws NoSuchAlgorithmException, RestServiceException {
    List<HttpContent> httpContents = new ArrayList<HttpContent>();
    generateContent(httpContents);
    Channel channel = new MockChannel();
    NettyRequest nettyRequest = createNettyRequest(HttpMethod.POST, "/", null, channel);
    ByteBufferAsyncWritableChannel writeChannel = new ByteBufferAsyncWritableChannel();
    ReadIntoCallback callback = new ReadIntoCallback();
    nettyRequest.readInto(writeChannel, callback);
    try {
        nettyRequest.setDigestAlgorithm("MD5");
        fail("Setting a digest algorithm should have failed because readInto() has already been called");
    } catch (IllegalStateException e) {
    // expected. Nothing to do.
    }
    writeChannel.close();
    closeRequestAndValidate(nettyRequest, channel);
}

Example 77 with HttpContent

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent in project ambry by linkedin.

the class CopyForcingByteBuf method setBadAlgorithmTest.

/**
 * Tests for failure when {@link NettyRequest#setDigestAlgorithm(String)} is called with an unrecognized algorithm.
 * @throws RestServiceException
 */
private void setBadAlgorithmTest() throws RestServiceException {
    List<HttpContent> httpContents = new ArrayList<HttpContent>();
    generateContent(httpContents);
    Channel channel = new MockChannel();
    NettyRequest nettyRequest = createNettyRequest(HttpMethod.POST, "/", null, channel);
    try {
        nettyRequest.setDigestAlgorithm("NonExistentAlgorithm");
        fail("Setting a digest algorithm should have failed because the algorithm isn't valid");
    } catch (NoSuchAlgorithmException e) {
    // expected. Nothing to do.
    }
    closeRequestAndValidate(nettyRequest, channel);
}

Example 78 with HttpContent

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent in project ambry by linkedin.

the class CopyForcingByteBuf method doBackPressureTest.

/**
 * Does the backpressure test by ensuring that {@link Channel#read()} isn't called when the number of bytes buffered
 * is above the {@link NettyRequest#bufferWatermark}. Also ensures that {@link Channel#read()} is called correctly
 * when the number of buffered bytes falls below the {@link NettyRequest#bufferWatermark}.
 * @param digestAlgorithm the digest algorithm to use. Can be empty or {@code null} if digest checking is not
 *                        required.
 * @param content the complete content.
 * @param httpContents {@code content} in parts and as {@link HttpContent}. Should contain all the data in
 * {@code content}.
 * @param numChunksToAddBeforeRead the number of {@link HttpContent} to add before making the
 * {@link NettyRequest#readInto(AsyncWritableChannel, Callback)} call.
 * @param method Http Method
 * @throws Exception
 */
private void doBackPressureTest(String digestAlgorithm, ByteBuffer content, List<HttpContent> httpContents, int numChunksToAddBeforeRead, HttpMethod method) throws Exception {
    if (numChunksToAddBeforeRead < 0 || numChunksToAddBeforeRead > httpContents.size()) {
        throw new IllegalArgumentException("Illegal value of numChunksToAddBeforeRead");
    }
    MockChannel channel = new MockChannel();
    final NettyRequest nettyRequest = createNettyRequest(method, "/", null, channel);
    byte[] wholeDigest = null;
    if (digestAlgorithm != null && !digestAlgorithm.isEmpty()) {
        MessageDigest digest = MessageDigest.getInstance(digestAlgorithm);
        digest.update(content);
        wholeDigest = digest.digest();
        content.rewind();
        nettyRequest.setDigestAlgorithm(digestAlgorithm);
    }
    final AtomicInteger queuedReads = new AtomicInteger(0);
    ByteBufferAsyncWritableChannel writeChannel = new ByteBufferAsyncWritableChannel();
    ReadIntoCallback callback = new ReadIntoCallback();
    channel.setChannelReadCallback(new MockChannel.ChannelReadCallback() {

        @Override
        public void onRead() {
            queuedReads.incrementAndGet();
        }
    });
    int addedCount = 0;
    Future<Long> future = null;
    boolean suspended = false;
    int bytesToVerify = 0;
    while (addedCount < httpContents.size()) {
        if (suspended) {
            assertEquals("There should have been no reads queued when over buffer watermark", 0, queuedReads.get());
            if (future == null) {
                future = nettyRequest.readInto(writeChannel, callback);
            }
            int chunksRead = readAndVerify(bytesToVerify, writeChannel, content);
            assertEquals("Number of reads triggered is not as expected", chunksRead, queuedReads.get());
            // collapse many reads into one
            queuedReads.set(1);
            bytesToVerify = 0;
            suspended = false;
        } else {
            assertEquals("There should have been only one read queued", 1, queuedReads.get());
            queuedReads.set(0);
            if (future == null && addedCount == numChunksToAddBeforeRead) {
                future = nettyRequest.readInto(writeChannel, callback);
            }
            final HttpContent httpContent = httpContents.get(addedCount);
            bytesToVerify += (httpContent.content().readableBytes());
            suspended = bytesToVerify >= NettyRequest.bufferWatermark;
            addedCount++;
            nettyRequest.addContent(httpContent);
            assertEquals("Reference count is not as expected", 2, httpContent.refCnt());
        }
    }
    if (future == null) {
        future = nettyRequest.readInto(writeChannel, callback);
    }
    readAndVerify(bytesToVerify, writeChannel, content);
    verifyRefCnts(httpContents);
    writeChannel.close();
    callback.awaitCallback();
    if (callback.exception != null) {
        throw callback.exception;
    }
    long futureBytesRead = future.get(1, TimeUnit.SECONDS);
    assertEquals("Total bytes read does not match (callback)", content.limit(), callback.bytesRead);
    assertEquals("Total bytes read does not match (future)", content.limit(), futureBytesRead);
    // check twice to make sure the same digest is returned every time
    for (int i = 0; i < 2; i++) {
        assertArrayEquals("Part by part digest should match digest of whole", wholeDigest, nettyRequest.getDigest());
    }
    closeRequestAndValidate(nettyRequest, channel);
}

Example 79 with HttpContent

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent in project ambry by linkedin.

the class CopyForcingByteBuf method closeTest.

/**
 * Tests that {@link NettyRequest#close()} leaves any added {@link HttpContent} the way it was before it was added.
 * (i.e no reference count changes).
 * @throws RestServiceException
 */
@Test
public void closeTest() throws RestServiceException {
    Channel channel = new MockChannel();
    NettyRequest nettyRequest = createNettyRequest(HttpMethod.POST, "/", null, channel);
    Queue<HttpContent> httpContents = new LinkedBlockingQueue<HttpContent>();
    for (int i = 0; i < 5; i++) {
        ByteBuffer content = ByteBuffer.wrap(TestUtils.getRandomBytes(1024));
        HttpContent httpContent = new DefaultHttpContent(Unpooled.wrappedBuffer(content));
        nettyRequest.addContent(httpContent);
        httpContents.add(httpContent);
    }
    closeRequestAndValidate(nettyRequest, channel);
    while (httpContents.peek() != null) {
        assertEquals("Reference count of http content has changed", 1, httpContents.poll().refCnt());
    }
}

Example 80 with HttpContent

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpContent in project ambry by linkedin.

the class CopyForcingByteBuf method sizeInHeaderLessThanContentTest.

/**
 * Tests reaction of NettyRequest when content size is more than the size specified in the headers.
 * @throws Exception
 */
private void sizeInHeaderLessThanContentTest() throws Exception {
    List<HttpContent> httpContents = new ArrayList<HttpContent>();
    ByteBuffer content = generateContent(httpContents);
    HttpHeaders httpHeaders = new DefaultHttpHeaders();
    int lastHttpContentSize = httpContents.get(httpContents.size() - 1).content().readableBytes();
    httpHeaders.set(HttpHeaderNames.CONTENT_LENGTH, content.limit() - lastHttpContentSize - 1);
    doHeaderAndContentSizeMismatchTest(httpHeaders, httpContents);
}