Examples with CompositeByteBuf io.netty.buffer.CompositeByteBuf used on opensource projects

Example 61 with CompositeByteBuf

use of io.netty.buffer.CompositeByteBuf in project netty by netty.

the class BrotliEncoderTest method readDecompressed.

@Override
protected ByteBuf readDecompressed(final int dataLength) throws Exception {
    CompositeByteBuf decompressed = Unpooled.compositeBuffer();
    ByteBuf msg;
    while ((msg = channel.readOutbound()) != null) {
        if (msg.isReadable()) {
            decompressed.addComponent(true, decompress(msg, -1));
        } else {
            msg.release();
        }
    }
    return decompressed;
}

Example 62 with CompositeByteBuf

use of io.netty.buffer.CompositeByteBuf in project netty by netty.

the class MessageAggregator method decode.

@Override
protected void decode(final ChannelHandlerContext ctx, I msg, List<Object> out) throws Exception {
    assert aggregating;
    if (isStartMessage(msg)) {
        handlingOversizedMessage = false;
        if (currentMessage != null) {
            currentMessage.release();
            currentMessage = null;
            throw new MessageAggregationException();
        }
        @SuppressWarnings("unchecked") S m = (S) msg;
        // Send the continue response if necessary (e.g. 'Expect: 100-continue' header)
        // Check before content length. Failing an expectation may result in a different response being sent.
        Object continueResponse = newContinueResponse(m, maxContentLength, ctx.pipeline());
        if (continueResponse != null) {
            // Cache the write listener for reuse.
            ChannelFutureListener listener = continueResponseWriteListener;
            if (listener == null) {
                continueResponseWriteListener = listener = new ChannelFutureListener() {

                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (!future.isSuccess()) {
                            ctx.fireExceptionCaught(future.cause());
                        }
                    }
                };
            }
            // Make sure to call this before writing, otherwise reference counts may be invalid.
            boolean closeAfterWrite = closeAfterContinueResponse(continueResponse);
            handlingOversizedMessage = ignoreContentAfterContinueResponse(continueResponse);
            final ChannelFuture future = ctx.writeAndFlush(continueResponse).addListener(listener);
            if (closeAfterWrite) {
                future.addListener(ChannelFutureListener.CLOSE);
                return;
            }
            if (handlingOversizedMessage) {
                return;
            }
        } else if (isContentLengthInvalid(m, maxContentLength)) {
            // if content length is set, preemptively close if it's too large
            invokeHandleOversizedMessage(ctx, m);
            return;
        }
        if (m instanceof DecoderResultProvider && !((DecoderResultProvider) m).decoderResult().isSuccess()) {
            O aggregated;
            if (m instanceof ByteBufHolder) {
                aggregated = beginAggregation(m, ((ByteBufHolder) m).content().retain());
            } else {
                aggregated = beginAggregation(m, EMPTY_BUFFER);
            }
            finishAggregation0(aggregated);
            out.add(aggregated);
            return;
        }
        // A streamed message - initialize the cumulative buffer, and wait for incoming chunks.
        CompositeByteBuf content = ctx.alloc().compositeBuffer(maxCumulationBufferComponents);
        if (m instanceof ByteBufHolder) {
            appendPartialContent(content, ((ByteBufHolder) m).content());
        }
        currentMessage = beginAggregation(m, content);
    } else if (isContentMessage(msg)) {
        if (currentMessage == null) {
            // until the begging of the next request/response.
            return;
        }
        // Merge the received chunk into the content of the current message.
        CompositeByteBuf content = (CompositeByteBuf) currentMessage.content();
        @SuppressWarnings("unchecked") final C m = (C) msg;
        // Handle oversized message.
        if (content.readableBytes() > maxContentLength - m.content().readableBytes()) {
            // By convention, full message type extends first message type.
            @SuppressWarnings("unchecked") S s = (S) currentMessage;
            invokeHandleOversizedMessage(ctx, s);
            return;
        }
        // Append the content of the chunk.
        appendPartialContent(content, m.content());
        // Give the subtypes a chance to merge additional information such as trailing headers.
        aggregate(currentMessage, m);
        final boolean last;
        if (m instanceof DecoderResultProvider) {
            DecoderResult decoderResult = ((DecoderResultProvider) m).decoderResult();
            if (!decoderResult.isSuccess()) {
                if (currentMessage instanceof DecoderResultProvider) {
                    ((DecoderResultProvider) currentMessage).setDecoderResult(DecoderResult.failure(decoderResult.cause()));
                }
                last = true;
            } else {
                last = isLastContentMessage(m);
            }
        } else {
            last = isLastContentMessage(m);
        }
        if (last) {
            finishAggregation0(currentMessage);
            // All done
            out.add(currentMessage);
            currentMessage = null;
        }
    } else {
        throw new MessageAggregationException();
    }
}

Example 63 with CompositeByteBuf

use of io.netty.buffer.CompositeByteBuf in project netty by netty.

the class DatagramUnicastTest method testSimpleSendCompositeDirectByteBuf.

public void testSimpleSendCompositeDirectByteBuf(Bootstrap sb, Bootstrap cb) throws Throwable {
    CompositeByteBuf buf = Unpooled.compositeBuffer();
    buf.addComponent(true, Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
    buf.addComponent(true, Unpooled.directBuffer().writeBytes(BYTES, 2, 2));
    testSimpleSend(sb, cb, buf, true, BYTES, 1);
    CompositeByteBuf buf2 = Unpooled.compositeBuffer();
    buf2.addComponent(true, Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
    buf2.addComponent(true, Unpooled.directBuffer().writeBytes(BYTES, 2, 2));
    testSimpleSend(sb, cb, buf2, true, BYTES, 4);
}

Example 64 with CompositeByteBuf

use of io.netty.buffer.CompositeByteBuf in project netty by netty.

the class CompositeBufferGatheringWriteTest method newCompositeBuffer.

private static ByteBuf newCompositeBuffer(ByteBufAllocator alloc) {
    CompositeByteBuf compositeByteBuf = alloc.compositeBuffer();
    compositeByteBuf.addComponent(true, alloc.directBuffer(4).writeInt(100));
    compositeByteBuf.addComponent(true, alloc.directBuffer(8).writeLong(123));
    compositeByteBuf.addComponent(true, alloc.directBuffer(8).writeLong(456));
    assertEquals(EXPECTED_BYTES, compositeByteBuf.readableBytes());
    return compositeByteBuf;
}

Example 65 with CompositeByteBuf

use of io.netty.buffer.CompositeByteBuf in project netty by netty.

the class ChannelOutboundBufferTest method testNioBuffersMaxCount.

@Test
public void testNioBuffersMaxCount() {
    TestChannel channel = new TestChannel();
    ChannelOutboundBuffer buffer = new ChannelOutboundBuffer(channel);
    CompositeByteBuf comp = compositeBuffer(256);
    ByteBuf buf = directBuffer().writeBytes("buf1".getBytes(CharsetUtil.US_ASCII));
    for (int i = 0; i < 65; i++) {
        comp.addComponent(true, buf.copy());
    }
    assertEquals(65, comp.nioBufferCount());
    buffer.addMessage(comp, comp.readableBytes(), channel.voidPromise());
    assertEquals(0, buffer.nioBufferCount(), "Should still be 0 as not flushed yet");
    buffer.addFlush();
    // less than comp.nioBufferCount()
    final int maxCount = 10;
    ByteBuffer[] buffers = buffer.nioBuffers(maxCount, Integer.MAX_VALUE);
    assertTrue(buffer.nioBufferCount() <= maxCount, "Should not be greater than maxCount");
    for (int i = 0; i < buffer.nioBufferCount(); i++) {
        assertEquals(buffers[i], buf.internalNioBuffer(buf.readerIndex(), buf.readableBytes()));
    }
    release(buffer);
    buf.release();
}