Package io.netty.buffer

Examples of io.netty.buffer.CompositeByteBuf$Component

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      writeStringWithLength(headerBuf, config.getInstanceName());
      writeStringWithLength(headerBuf, destination.getInstanceName());

      // Compose message header and payload
      headerBuf.writeInt(messageLength);
      CompositeByteBuf fullByteBuf = channel.alloc().compositeBuffer(2);
      fullByteBuf.addComponent(headerBuf);
      fullByteBuf.writerIndex(headerBuf.readableBytes());
      if (message != null) {
        fullByteBuf.addComponent(message);
        fullByteBuf.writerIndex(fullByteBuf.writerIndex() + message.readableBytes());
      }

      // Send
      statTxMsg.mark();
      statTxBytes.mark(fullByteBuf.readableBytes());
      channel.writeAndFlush(fullByteBuf);
    } catch (Exception e) {
      statError.inc();
      throw new IllegalStateException("Could not send message to " + destination, e);
    }
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                }
                return;
            }

            MemcacheContent chunk = (MemcacheContent) msg;
            CompositeByteBuf content = (CompositeByteBuf) currentMessage.content();

            if (content.readableBytes() > getMaxContentLength() - chunk.content().readableBytes()) {
                tooLongFrameFound = true;

                currentMessage.release();
                this.currentMessage = null;

                throw new TooLongFrameException("Memcache content length exceeded " + getMaxContentLength()
                    + " bytes.");
            }

            if (chunk.content().isReadable()) {
                chunk.retain();
                content.addComponent(chunk.content());
                content.writerIndex(content.writerIndex() + chunk.content().readableBytes());
            }

            final boolean last;
            if (!chunk.getDecoderResult().isSuccess()) {
                currentMessage.setDecoderResult(
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  public void reconstructContainer(VectorContainer container) {
    Preconditions.checkState(!cleared,
        "Attempted to reconstruct a container from a WritableBatch after it had been cleared");
    if (buffers.length > 0) { /* If we have ByteBuf's associated with value vectors */

      CompositeByteBuf cbb = new CompositeByteBuf(buffers[0].alloc(), true, buffers.length);

      /* Copy data from each buffer into the compound buffer */
      for (ByteBuf buf : buffers) {
        cbb.addComponent(buf);
      }

      List<SerializedField> fields = def.getFieldList();

      int bufferOffset = 0;

      /*
       * For each value vector slice up the appropriate size from the compound buffer and load it into the value vector
       */
      int vectorIndex = 0;

      for (VectorWrapper<?> vv : container) {
        SerializedField fmd = fields.get(vectorIndex);
        ValueVector v = vv.getValueVector();
        ByteBuf bb = cbb.slice(bufferOffset, fmd.getBufferLength());
//        v.load(fmd, cbb.slice(bufferOffset, fmd.getBufferLength()));
        v.load(fmd, bb);
        bb.release();
        vectorIndex++;
        bufferOffset += fmd.getBufferLength();
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        cos.writeRawVarint32(RAW_BODY_TAG);
        cos.writeRawVarint32(rawBodyLength);
        cos.flush(); // need to flush so that dbody goes after if cos is caching.
       
        CompositeByteBuf cbb = new CompositeByteBuf(buf.alloc(), true, msg.dBodies.length + 1);
        cbb.addComponent(buf);
        int bufLength = buf.readableBytes();
        for(ByteBuf b : msg.dBodies){
          cbb.addComponent(b);
          bufLength += b.readableBytes();
        }
        cbb.writerIndex(bufLength);
        out.add(cbb);
       
       
      }else{
        cos.flush();
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            }

            if (content.isDirect() && content 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) content;
                if (comp.isDirect() && comp.nioBufferCount() <= Native.IOV_MAX) {
                    return msg;
                }
            }
            // We can only handle direct buffers so we need to copy if a non direct is
            // passed to write.
            return new DatagramPacket(newDirectBuffer(packet, content), packet.recipient());
        }

        if (msg instanceof ByteBuf) {
            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 {
                    // We can only handle buffers with memory address so we need to copy if a non direct is
                    // passed to write.
                    buf = newDirectBuffer(buf);
                    assert buf.hasMemoryAddress();
                }
            }
            return buf;
        }

        if (msg instanceof AddressedEnvelope) {
            @SuppressWarnings("unchecked")
            AddressedEnvelope<Object, SocketAddress> e = (AddressedEnvelope<Object, SocketAddress>) msg;
            if (e.content() instanceof ByteBuf &&
                (e.recipient() == null || e.recipient() instanceof InetSocketAddress)) {

                ByteBuf content = (ByteBuf) e.content();
                if (content.hasMemoryAddress()) {
                    return e;
                }
                if (content 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) content;
                    if (comp.isDirect() && comp.nioBufferCount() <= Native.IOV_MAX) {
                        return e;
                    }
                }
                // We can only handle direct buffers so we need to copy if a non direct is
                // passed to write.
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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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        } else if (msg instanceof HttpContent) {
            assert currentMessage != null;

            // Merge the received chunk into the content of the current message.
            HttpContent chunk = (HttpContent) msg;
            CompositeByteBuf content = (CompositeByteBuf) currentMessage.data();

            if (content.readableBytes() > maxContentLength - chunk.data().readableBytes()) {
                // TODO: Respond with 413 Request Entity Too Large
                //   and discard the traffic or close the connection.
                //       No need to notify the upstream handlers - just log.
                //       If decoding a response, just throw an exception.
                throw new TooLongFrameException(
                        "HTTP content length exceeded " + maxContentLength +
                        " bytes.");
            }

            // Append the content of the chunk
            if (chunk.data().isReadable()) {
                chunk.retain();
                content.addComponent(chunk.data());
                content.writerIndex(content.writerIndex() + chunk.data().readableBytes());
            }

            final boolean last;
            if (!chunk.getDecoderResult().isSuccess()) {
                currentMessage.setDecoderResult(
                        DecoderResult.failure(chunk.getDecoderResult().cause()));
                last = true;
            } else {
                last = chunk instanceof LastHttpContent;
            }

            if (last) {
                this.currentMessage = null;

                // Merge trailing headers into the message.
                if (chunk instanceof LastHttpContent) {
                    LastHttpContent trailer = (LastHttpContent) chunk;
                    currentMessage.headers().add(trailer.trailingHeaders());
                }

                // Set the 'Content-Length' header.
                currentMessage.headers().set(
                        HttpHeaders.Names.CONTENT_LENGTH,
                        String.valueOf(content.readableBytes()));

                // All done
                return currentMessage;
            } else {
                return null;
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            }
            assert currentMessage != null;

            // Merge the received chunk into the content of the current message.
            HttpContent chunk = (HttpContent) msg;
            CompositeByteBuf content = (CompositeByteBuf) currentMessage.content();

            if (content.readableBytes() > maxContentLength - chunk.content().readableBytes()) {
                tooLongFrameFound = true;

                // release current message to prevent leaks
                currentMessage.release();
                this.currentMessage = null;

                throw new TooLongFrameException(
                        "HTTP content length exceeded " + maxContentLength +
                        " bytes.");
            }

            // Append the content of the chunk
            if (chunk.content().isReadable()) {
                chunk.retain();
                content.addComponent(chunk.content());
                content.writerIndex(content.writerIndex() + chunk.content().readableBytes());
            }

            final boolean last;
            if (!chunk.getDecoderResult().isSuccess()) {
                currentMessage.setDecoderResult(
                        DecoderResult.failure(chunk.getDecoderResult().cause()));
                last = true;
            } else {
                last = chunk instanceof LastHttpContent;
            }

            if (last) {
                this.currentMessage = null;

                // Merge trailing headers into the message.
                if (chunk instanceof LastHttpContent) {
                    LastHttpContent trailer = (LastHttpContent) chunk;
                    currentMessage.setTrailingHeaders(trailer.trailingHeaders());
                } else {
                    currentMessage.setTrailingHeaders(new DefaultHttpHeaders());
                }

                // Set the 'Content-Length' header.
                currentMessage.headers().set(
                        HttpHeaders.Names.CONTENT_LENGTH,
                        String.valueOf(content.readableBytes()));

                // All done
                out.add(currentMessage);
            }
        } else {
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                if (msg.isFinalFragment()) {
                    currentFrame = null;
                }
                return;
            }
            CompositeByteBuf content = (CompositeByteBuf) currentFrame.content();
            if (content.readableBytes() > maxFrameSize - msg.content().readableBytes()) {
                // release the current frame
                currentFrame.release();
                tooLongFrameFound = true;
                throw new TooLongFrameException(
                        "WebSocketFrame length exceeded " + content +
                                " bytes.");
            }
            content.addComponent(msg.content().retain());
            content.writerIndex(content.writerIndex() + msg.content().readableBytes());

            if (msg.isFinalFragment()) {
                WebSocketFrame currentFrame = this.currentFrame;
                this.currentFrame = null;
                out.add(currentFrame);
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            }
            size += localsize;
            if (byteBuf == null) {
                byteBuf = buffer;
            } else if (byteBuf instanceof CompositeByteBuf) {
                CompositeByteBuf cbb = (CompositeByteBuf) byteBuf;
                cbb.addComponent(buffer);
                cbb.writerIndex(cbb.writerIndex() + buffer.readableBytes());
            } else {
                CompositeByteBuf cbb = compositeBuffer(Integer.MAX_VALUE);
                cbb.addComponents(byteBuf, buffer);
                cbb.writerIndex(byteBuf.readableBytes() + buffer.readableBytes());
                byteBuf = cbb;
            }
        }
        if (last) {
            completed = true;
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