Package io.netty.buffer

Examples of io.netty.buffer.CompositeByteBuf

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            ByteBuf buf = (ByteBuf) msg;
            if (!buf.hasMemoryAddress() && (PlatformDependent.hasUnsafe() || !buf.isDirect())) {
                if (buf instanceof CompositeByteBuf) {
                    // Special handling of CompositeByteBuf to reduce memory copies if some of the Components
                    // in the CompositeByteBuf are backed by a memoryAddress.
                    CompositeByteBuf comp = (CompositeByteBuf) buf;
                    if (!comp.isDirect() || comp.nioBufferCount() > Native.IOV_MAX) {
                        // more then 1024 buffers for gathering writes so just do a memory copy.
                        buf = newDirectBuffer(buf);
                        assert buf.hasMemoryAddress();
                    }
                } else {
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        checkContentBuffer(aggratedMessage);
        assertNull(embedder.readInbound());
    }

    private static void checkContentBuffer(FullHttpRequest aggregatedMessage) {
        CompositeByteBuf buffer = (CompositeByteBuf) aggregatedMessage.content();
        assertEquals(2, buffer.numComponents());
        List<ByteBuf> buffers = buffer.decompose(0, buffer.capacity());
        assertEquals(2, buffers.size());
        for (ByteBuf buf: buffers) {
            // This should be false as we decompose the buffer before to not have deep hierarchy
            assertFalse(buf instanceof CompositeByteBuf);
        }
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                int split =  buf.readableBytes() / 2;
                int size = buf.readableBytes() - split;
                int oldIndex = buf.writerIndex();
                buf.writerIndex(split);
                ByteBuf buf2 = Unpooled.buffer(size).writeBytes(buf, split, oldIndex - split);
                CompositeByteBuf comp = Unpooled.compositeBuffer();
                comp.addComponent(buf).addComponent(buf2).writerIndex(length);
                cc.write(comp);
            } else {
                cc.write(buf);
            }
            i += length;
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    public void testNioBuffersExpand2() {
        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(buf.copy()).writerIndex(comp.writerIndex() + buf.readableBytes());
        }
        buffer.addMessage(comp, comp.readableBytes(), channel.voidPromise());

        assertEquals("Should still be 0 as not flushed yet", 0, buffer.nioBufferCount());
        buffer.addFlush();
        ByteBuffer[] buffers = buffer.nioBuffers();
        assertEquals(65, buffer.nioBufferCount());
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    public void testSimpleSendCompositeDirectByteBuf() throws Throwable {
        run();
    }

    public void testSimpleSendCompositeDirectByteBuf(Bootstrap sb, Bootstrap cb) throws Throwable {
        CompositeByteBuf buf = Unpooled.compositeBuffer();
        buf.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
        buf.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 2, 2));
        buf.writerIndex(4);
        testSimpleSend0(sb, cb, buf, true, BYTES, 1);

        CompositeByteBuf buf2 = Unpooled.compositeBuffer();
        buf2.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
        buf2.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 2, 2));
        buf2.writerIndex(4);
        testSimpleSend0(sb, cb, buf2, true, BYTES, 4);
    }
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    public void testSimpleSendCompositeHeapByteBuf() throws Throwable {
        run();
    }

    public void testSimpleSendCompositeHeapByteBuf(Bootstrap sb, Bootstrap cb) throws Throwable {
        CompositeByteBuf buf = Unpooled.compositeBuffer();
        buf.addComponent(Unpooled.buffer().writeBytes(BYTES, 0, 2));
        buf.addComponent(Unpooled.buffer().writeBytes(BYTES, 2, 2));
        buf.writerIndex(4);
        testSimpleSend0(sb, cb, buf, true, BYTES, 1);

        CompositeByteBuf buf2 = Unpooled.compositeBuffer();
        buf2.addComponent(Unpooled.buffer().writeBytes(BYTES, 0, 2));
        buf2.addComponent(Unpooled.buffer().writeBytes(BYTES, 2, 2));
        buf2.writerIndex(4);
        testSimpleSend0(sb, cb, buf2, true, BYTES, 4);
    }
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    public void testSimpleSendCompositeMixedByteBuf() throws Throwable {
        run();
    }

    public void testSimpleSendCompositeMixedByteBuf(Bootstrap sb, Bootstrap cb) throws Throwable {
        CompositeByteBuf buf = Unpooled.compositeBuffer();
        buf.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
        buf.addComponent(Unpooled.buffer().writeBytes(BYTES, 2, 2));
        buf.writerIndex(4);
        testSimpleSend0(sb, cb, buf, true, BYTES, 1);

        CompositeByteBuf buf2 = Unpooled.compositeBuffer();
        buf2.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
        buf2.addComponent(Unpooled.buffer().writeBytes(BYTES, 2, 2));
        buf2.writerIndex(4);
        testSimpleSend0(sb, cb, buf2, true, BYTES, 4);
    }
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Related Classes of io.netty.buffer.CompositeByteBuf

  • com.couchbase.client.deps.io.netty.handler.codec.memcache.binary.BinaryMemcacheObjectAggregator
  • eu.stratosphere.runtime.io.network.netty.InboundEnvelopeDecoderTest
  • io.netty.channel.ChannelOutboundBufferTest
  • io.netty.channel.epoll.EpollDatagramChannel
  • io.netty.channel.epoll.EpollSocketChannel
  • io.netty.handler.codec.compression.Bzip2DecoderTest
  • io.netty.handler.codec.compression.Bzip2EncoderTest
  • io.netty.handler.codec.compression.FastLzIntegrationTest
  • io.netty.handler.codec.compression.IntegrationTest
  • io.netty.handler.codec.compression.Lz4FrameDecoderTest
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