Package io.netty.buffer

Examples of io.netty.buffer.ChannelBuffer

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                    "unsupported message type: " + message.getClass() + " required: io.netty.channel.sctp.SctpFrame");
        }
    }

    private SendBuffer acquire(SctpFrame message) {
        final ChannelBuffer src = message.getPayloadBuffer();
        final int streamNo = message.getStreamIdentifier();
        final int protocolId = message.getProtocolIdentifier();

        final int size = src.readableBytes();
        if (size == 0) {
            return EMPTY_BUFFER;
        }

        if (src.isDirect()) {
            return new UnpooledSendBuffer(streamNo, protocolId, src.toByteBuffer());
        }
        if (src.readableBytes() > DEFAULT_PREALLOCATION_SIZE) {
            return new UnpooledSendBuffer(streamNo, protocolId, src.toByteBuffer());
        }

        Preallocation current = this.current;
        ByteBuffer buffer = current.buffer;
        int remaining = buffer.remaining();
        PooledSendBuffer dst;

        if (size < remaining) {
            int nextPos = buffer.position() + size;
            ByteBuffer slice = buffer.duplicate();
            buffer.position(align(nextPos));
            slice.limit(nextPos);
            current.refCnt++;
            dst = new PooledSendBuffer(streamNo, protocolId, current, slice);
        } else if (size > remaining) {
            this.current = current = getPreallocation();
            buffer = current.buffer;
            ByteBuffer slice = buffer.duplicate();
            buffer.position(align(size));
            slice.limit(size);
            current.refCnt++;
            dst = new PooledSendBuffer(streamNo, protocolId, current, slice);
        } else { // size == remaining
            current.refCnt++;
            this.current = getPreallocation0();
            dst = new PooledSendBuffer(streamNo, protocolId, current, current.buffer);
        }

        ByteBuffer dstbuf = dst.buffer;
        dstbuf.mark();
        src.getBytes(src.readerIndex(), dstbuf);
        dstbuf.reset();
        return dst;
    }
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    @Override
    public void setContent(InputStream inputStream) throws IOException {
        if (inputStream == null) {
            throw new NullPointerException("inputStream");
        }
        ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
        byte[] bytes = new byte[4096 * 4];
        int read = inputStream.read(bytes);
        int written = 0;
        while (read > 0) {
            buffer.writeBytes(bytes);
            written += read;
            read = inputStream.read(bytes);
        }
        size = written;
        if (definedSize > 0 && definedSize < size) {
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        }
        int sliceLength = length;
        if (sizeLeft < length) {
            sliceLength = sizeLeft;
        }
        ChannelBuffer chunk = channelBuffer.slice(chunkPosition, sliceLength);
        chunkPosition += sliceLength;
        return chunk;
    }
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        }
        if (read == 0) {
            return ChannelBuffers.EMPTY_BUFFER;
        }
        byteBuffer.flip();
        ChannelBuffer buffer = ChannelBuffers.wrappedBuffer(byteBuffer);
        buffer.readerIndex(0);
        buffer.writerIndex(read);
        return buffer;
    }
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                        " without " + HttpMessage.class.getSimpleName());
            }

            // Merge the received chunk into the content of the current message.
            HttpChunk chunk = (HttpChunk) msg;
            ChannelBuffer content = currentMessage.getContent();

            if (content.readableBytes() > maxContentLength - chunk.getContent().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.");
            }

            content.writeBytes(chunk.getContent());
            if (chunk.isLast()) {
                this.currentMessage = null;

                // Merge trailing headers into the message.
                if (chunk instanceof HttpChunkTrailer) {
                    HttpChunkTrailer trailer = (HttpChunkTrailer) chunk;
                    for (Entry<String, String> header: trailer.getHeaders()) {
                        currentMessage.setHeader(header.getKey(), header.getValue());
                    }
                }

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

                // All done - generate the event.
                Channels.fireMessageReceived(ctx, currentMessage, e.getRemoteAddress());
            }
        } else {
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        return false;
    }

    private Object reset() {
        HttpMessage message = this.message;
        ChannelBuffer content = this.content;

        if (content != null) {
            message.setContent(content);
            this.content = null;
        }
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            // SpdySessionHandler should prevent this from happening.
            if (httpMessage == null) {
                return null;
            }

            ChannelBuffer content = httpMessage.getContent();
            if (content.readableBytes() > maxContentLength - spdyDataFrame.getData().readableBytes()) {
                messageMap.remove(streamID);
                throw new TooLongFrameException(
                        "HTTP content length exceeded " + maxContentLength + " bytes.");
            }

            if (content == ChannelBuffers.EMPTY_BUFFER) {
                content = ChannelBuffers.dynamicBuffer(channel.getConfig().getBufferFactory());
                content.writeBytes(spdyDataFrame.getData());
                httpMessage.setContent(content);
            } else {
                content.writeBytes(spdyDataFrame.getData());
            }

            if (spdyDataFrame.isLast()) {
                HttpHeaders.setContentLength(httpMessage, content.readableBytes());
                messageMap.remove(streamID);
                return httpMessage;
            }
        }
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                m.setHeader(
                        HttpHeaders.Names.CONTENT_ENCODING,
                        getTargetContentEncoding(contentEncoding));

                if (!m.isChunked()) {
                    ChannelBuffer content = m.getContent();
                    // Decode the content
                    content = ChannelBuffers.wrappedBuffer(
                            decode(content), finishDecode());

                    // Replace the content.
                    m.setContent(content);
                    if (m.containsHeader(HttpHeaders.Names.CONTENT_LENGTH)) {
                        m.setHeader(
                                HttpHeaders.Names.CONTENT_LENGTH,
                                Integer.toString(content.readableBytes()));
                    }
                }
            }

            // Because HttpMessage is a mutable object, we can simply forward the received event.
            ctx.sendUpstream(e);
        } else if (msg instanceof HttpChunk) {
            HttpChunk c = (HttpChunk) msg;
            ChannelBuffer content = c.getContent();

            // Decode the chunk if necessary.
            if (decoder != null) {
                if (!c.isLast()) {
                    content = decode(content);
                    if (content.readable()) {
                        c.setContent(content);
                        ctx.sendUpstream(e);
                    }
                } else {
                    ChannelBuffer lastProduct = finishDecode();

                    // Generate an additional chunk if the decoder produced
                    // the last product on closure,
                    if (lastProduct.readable()) {
                        Channels.fireMessageReceived(
                                ctx, new DefaultHttpChunk(lastProduct), e.getRemoteAddress());
                    }

                    // Emit the last chunk.
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    public void setValue(String value) throws IOException {
        if (value == null) {
            throw new NullPointerException("value");
        }
        byte [] bytes = value.getBytes(charset);
        ChannelBuffer buffer = ChannelBuffers.wrappedBuffer(bytes);
        if (definedSize > 0) {
            definedSize = buffer.readableBytes();
        }
        setContent(buffer);
    }
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    protected Object encode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
        if (msg instanceof WebSocketFrame) {
            WebSocketFrame frame = (WebSocketFrame) msg;
            if (frame instanceof TextWebSocketFrame) {
                // Text frame
                ChannelBuffer data = frame.getBinaryData();
                ChannelBuffer encoded = channel.getConfig().getBufferFactory()
                        .getBuffer(data.order(), data.readableBytes() + 2);
                encoded.writeByte((byte) 0x00);
                encoded.writeBytes(data, data.readerIndex(), data.readableBytes());
                encoded.writeByte((byte) 0xFF);
                return encoded;
            } else if (frame instanceof CloseWebSocketFrame) {
                // Close frame
                ChannelBuffer data = frame.getBinaryData();
                ChannelBuffer encoded = channel.getConfig().getBufferFactory().getBuffer(data.order(), 2);
                encoded.writeByte((byte) 0xFF);
                encoded.writeByte((byte) 0x00);
                return encoded;
            } else {
                // Binary frame
                ChannelBuffer data = frame.getBinaryData();
                int dataLen = data.readableBytes();
                ChannelBuffer encoded = channel.getConfig().getBufferFactory().getBuffer(data.order(), dataLen + 5);

                // Encode type.
                encoded.writeByte((byte) 0x80);

                // Encode length.
                int b1 = dataLen >>> 28 & 0x7F;
                int b2 = dataLen >>> 14 & 0x7F;
                int b3 = dataLen >>> 7 & 0x7F;
                int b4 = dataLen & 0x7F;
                if (b1 == 0) {
                    if (b2 == 0) {
                        if (b3 == 0) {
                            encoded.writeByte(b4);
                        } else {
                            encoded.writeByte(b3 | 0x80);
                            encoded.writeByte(b4);
                        }
                    } else {
                        encoded.writeByte(b2 | 0x80);
                        encoded.writeByte(b3 | 0x80);
                        encoded.writeByte(b4);
                    }
                } else {
                    encoded.writeByte(b1 | 0x80);
                    encoded.writeByte(b2 | 0x80);
                    encoded.writeByte(b3 | 0x80);
                    encoded.writeByte(b4);
                }

                // Encode binary data.
                encoded.writeBytes(data, data.readerIndex(), dataLen);
                return encoded;
            }
        }
        return msg;
    }
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