Example usage for io.netty.buffer ByteBuf setInt

List of usage examples for io.netty.buffer ByteBuf setInt

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf setInt.

Prototype

public abstract ByteBuf setInt(int index, int value);

Source Link

Document

Sets the specified 32-bit integer at the specified absolute index in this buffer.

Usage

From source file:com.irh.material.basics.netty.chapter14_1.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null) {
        throw new Exception("The encode message is null");
    }//from w  w  w  . j  a  v  a2 s. c o  m
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}

From source file:com.ldp.nettydemo.netty.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;//from  w  ww . j  ava  2  s . c  o m
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        sendBuf.writeBytes(ByteObjConverter.ObjectToByte(value));
        //         marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        sendBuf.writeBytes(ByteObjConverter.ObjectToByte(msg.getBody()));
        //         marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}

From source file:com.linecorp.armeria.server.grpc.ArmeriaServerCall.java

License:Apache License

private HttpData serializeTrailersAsMessage(HttpHeaders trailers) {
    final ByteBuf serialized = ctx.alloc().buffer();
    boolean success = false;
    try {//  w  w  w. j  a va 2s .  c  o m
        serialized.writeByte(TRAILERS_FRAME_HEADER);
        // Skip, we'll set this after serializing the headers.
        serialized.writeInt(0);
        for (Map.Entry<AsciiString, String> trailer : trailers) {
            encodeHeader(trailer.getKey(), trailer.getValue(), serialized);
        }
        final int messageSize = serialized.readableBytes() - 5;
        serialized.setInt(1, messageSize);
        success = true;
    } finally {
        if (!success) {
            serialized.release();
        }
    }
    return new ByteBufHttpData(serialized, true);
}

From source file:com.nanxiaoqiang.test.netty.protocol.demo1.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");
    // Header Start
    sendBuf.writeInt((msg.getHeader().getCrcCode()));// crc
    sendBuf.writeInt((msg.getHeader().getLength()));// ?
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;/*  w w  w .  j  av  a  2s  .c  o  m*/
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    // Head End

    // Body Start
    if (msg.getBody() != null) {// ?
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        // ?
        sendBuf.writeInt(0);// 0int
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);// 0~3CRC4~7??8?
}

From source file:com.necla.simba.server.gateway.server.frontend.FrontendFrameEncoder.java

License:Apache License

private void compress(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) {
    LOG.debug("compress here");
    byte[] inAry = new byte[msg.readableBytes()];
    msg.readBytes(inAry);//from  ww  w  . j av a  2s . c o m
    int sizeEstimate = (int) Math.ceil(inAry.length * 1.001) + 12 + 4;
    LOG.debug("compress here2");

    out.ensureWritable(sizeEstimate);

    int beginIndex = out.writerIndex();

    out.writerIndex(beginIndex + 4);

    try {

        deflater.setInput(inAry);

        while (!deflater.needsInput()) {
            LOG.debug("compress here3333");

            int numBytes = deflater.deflate(encodeBuf, 0, encodeBuf.length);
            LOG.debug("Compressed numBytes=" + numBytes);
            out.writeBytes(encodeBuf, 0, numBytes);
            LOG.debug("compress here4");

        }

        deflater.finish();
        while (!deflater.finished()) {
            int numBytes = deflater.deflate(encodeBuf, 0, encodeBuf.length);
            out.writeBytes(encodeBuf, 0, numBytes);
            LOG.debug("compress here5");

        }
        deflater.reset();
        int len = out.writerIndex() - beginIndex - 4;

        Stats.sent(out.writerIndex() + beginIndex + 4);

        LOG.debug("Compressed len=" + len);
        len |= (1 << 30);
        out.setInt(beginIndex, len);
    } catch (Exception e) {
        LOG.debug("Exception" + e);
    }
}

From source file:com.phei.netty.protocol.netty.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;//  w w w. ja  v a 2s  . c o  m
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    //body?4int
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else {
        sendBuf.writeInt(0);
    }
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}

From source file:com.quavo.util.buf.ByteBufUtils.java

License:Open Source License

/**
 * Deciphers the specified {@link ByteBuf} with the given key.
 * //from w w  w .j av a 2  s . c  om
 * @param buffer The {@link ByteBuf}.
 * @param key The key.
 * @throws IllegalArgumentException if the key is not exactly 4 elements long.
 */
private static void decipherXTEA(ByteBuf buffer, int start, int end, int[] key) {
    if (key.length != 4) {
        throw new IllegalArgumentException();
    }
    int numQuads = (end - start) / 8;
    for (int i = 0; i < numQuads; i++) {
        int sum = 0x9E3779B9 * 32;
        int v0 = buffer.getInt(start + i * 8);
        int v1 = buffer.getInt(start + i * 8 + 4);
        for (int j = 0; j < 32; j++) {
            v1 -= (((v0 << 4) ^ (v0 >>> 5)) + v0) ^ (sum + key[(sum >>> 11) & 3]);
            sum -= 0x9E3779B9;
            v0 -= (((v1 << 4) ^ (v1 >>> 5)) + v1) ^ (sum + key[sum & 3]);
        }
        buffer.setInt(start + i * 8, v0);
        buffer.setInt(start + i * 8 + 4, v1);
    }
}

From source file:com.turn.ttorrent.client.io.PeerMessageCodec.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, PeerMessage value, ByteBuf out) throws Exception {
    // LOG.info("encode: " + value);
    int lengthIndex = out.writerIndex();
    out.writeInt(0);/*ww w.  ja v a 2 s.  c om*/
    int startIndex = out.writerIndex();
    value.toWire(out, listener.getExtendedMessageTypes());
    out.setInt(lengthIndex, out.writerIndex() - startIndex);
}

From source file:com.twitter.http2.HttpFrameDecoderTest.java

License:Apache License

private void setReservedBits(ByteBuf frame) {
    frame.setInt(5, frame.getInt(5) | 0x80000000);
}

From source file:com.yahoo.pulsar.client.impl.ProducerImpl.java

License:Apache License

/**
 * Strips checksum from {@link OpSendMsg} command if present else ignore it.   
 * //from  w  w w.  j a v a2 s . c  o  m
 * @param op
 */
private void stripChecksum(OpSendMsg op) {
    op.cmd.markReaderIndex();
    int totalMsgBufSize = op.cmd.readableBytes();
    DoubleByteBuf msg = getDoubleByteBuf(op.cmd);
    if (msg != null) {
        ByteBuf headerFrame = msg.getFirst();
        msg.markReaderIndex();
        headerFrame.markReaderIndex();
        try {
            headerFrame.skipBytes(4); // skip [total-size]
            int cmdSize = (int) headerFrame.readUnsignedInt();

            // verify if checksum present
            headerFrame.skipBytes(cmdSize);

            if (!hasChecksum(headerFrame)) {
                headerFrame.resetReaderIndex();
                return;
            }

            int headerSize = 4 + 4 + cmdSize; // [total-size] [cmd-length] [cmd-size]
            int checksumSize = 4 + 2; // [magic-number] [checksum-size]
            int checksumMark = (headerSize + checksumSize); // [header-size] [checksum-size]
            int metaPayloadSize = (totalMsgBufSize - checksumMark); // metadataPayload = totalSize - checksumMark
            int newTotalFrameSizeLength = 4 + cmdSize + metaPayloadSize; // new total-size without checksum
            headerFrame.resetReaderIndex();
            int headerFrameSize = headerFrame.readableBytes();

            headerFrame.setInt(0, newTotalFrameSizeLength); // rewrite new [total-size]
            ByteBuf metadata = headerFrame.slice(checksumMark, headerFrameSize - checksumMark); // sliced only
                                                                                                // metadata
            headerFrame.writerIndex(headerSize); // set headerFrame write-index to overwrite metadata over checksum
            metadata.readBytes(headerFrame, metadata.readableBytes());
            headerFrame.capacity(headerFrameSize - checksumSize); // reduce capacity by removed checksum bytes
            headerFrame.resetReaderIndex();

        } finally {
            op.cmd.resetReaderIndex();
        }
    } else {
        log.warn("[{}] Failed while casting {} into DoubleByteBuf", producerName, op.cmd.getClass().getName());
    }
}