Examples of io.netty.buffer.ByteBuf.writeInt()

io.netty.buffer.ByteBuf.writeInt()
Sets the specified 32-bit integer at the current {@code writerIndex}and increases the {@code writerIndex} by {@code 4} in this buffer. @throws IndexOutOfBoundsException if {@code this.writableBytes} is less than {@code 4}

                metaBuffer.writeInt(out.meta.streamID);
                /* (4) chunk body offset (4) chunk length (n) chunk bytes */
                bodyOutputSize += 8 + out.snapshotLength;
            }
            /* write remainder size for rest of block data so that readers can skip if desired ID isn't present */
            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);

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            /* write remainder size for rest of block data so that readers can skip if desired ID isn't present */
            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());

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            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());
            }

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            /* write out IDs in this block */
            ByteBuf metaBuffer = PooledByteBufAllocator.DEFAULT.directBuffer(2 + 4 * streams + 4 + 8 * streams);
            metaBuffer.writeShort(streams);
            int bodyOutputSize = 0;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(out.meta.streamID);
                /* (4) chunk body offset (4) chunk length (n) chunk bytes */
                bodyOutputSize += 8 + out.snapshotLength;
            }
            /* write remainder size for rest of block data so that readers can skip if desired ID isn't present */
            metaBuffer.writeInt(bodyOutputSize);

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                metaBuffer.writeInt(out.meta.streamID);
                /* (4) chunk body offset (4) chunk length (n) chunk bytes */
                bodyOutputSize += 8 + out.snapshotLength;
            }
            /* write remainder size for rest of block data so that readers can skip if desired ID isn't present */
            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);

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            /* write remainder size for rest of block data so that readers can skip if desired ID isn't present */
            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());

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            metaBuffer.writeInt(bodyOutputSize);
            /* write offsets and lengths for each stream id */
            int bodyOffset = streamsWithData.size() * 8;
            for (TempData out : streamsWithData) {
                metaBuffer.writeInt(bodyOffset); //TODO - reconsider how frequently this shortcut is placed on disk
                metaBuffer.writeInt(out.snapshotLength);
                bodyOffset += out.snapshotLength;
            }
            while (metaBuffer.readableBytes() > 0) {
                metaBuffer.readBytes(openWriteFile, metaBuffer.readableBytes());
            }

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        headerBuf = new DataOutputBuffer();
        header.write(headerBuf);
        byte[] data = headerBuf.getData();
        int dataLength = headerBuf.getLength();
        // write rpcheader
        buf.writeInt(AsyncServer.HEADER_LENGTH + dataLength);
        buf.writeBytes(AsyncServer.HEADER.array());
        buf.writeByte(AsyncServer.CURRENT_VERSION);
        buf.writeByte(rpcBuff.getData()[0]);
        // write header
        buf.writeInt(dataLength);

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        buf.writeInt(AsyncServer.HEADER_LENGTH + dataLength);
        buf.writeBytes(AsyncServer.HEADER.array());
        buf.writeByte(AsyncServer.CURRENT_VERSION);
        buf.writeByte(rpcBuff.getData()[0]);
        // write header
        buf.writeInt(dataLength);
        buf.writeBytes(data, 0, dataLength);


        channel.writeAndFlush(buf);
      } catch (Exception e) {
        LOG.error("Couldn't send header" + e);

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        sendCall.param.write(buff);
        byte[] data = buff.getData();
        int dataLength = buff.getLength();
        ByteBuf buf = channel.alloc().buffer();


        buf.writeInt(dataLength);
        buf.writeBytes(data, 0, dataLength);
        ChannelFuture channelFuture = channel.writeAndFlush(buf);
        if (channelFuture.cause() != null) {
          throw channelFuture.cause();
        }

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