Bytebuf.writeint
WebJan 16, 2024 · ByteBuf.writeInt () 方法的具体详情如下： 包路径：io.netty.buffer.ByteBuf 类名称：ByteBuf 方法名：writeInt ByteBuf.writeInt介绍 [英]Sets the specified 32-bit integer at the current writerIndexand increases the writerIndex by 4 in this buffer. [中]在当前writerIndex处设置指定的32位整数，并在此缓冲区中将writerIndex增加4。 代码示例 代 … WebThe method writeInt() has the following parameter: int value-Return. The method writeInt() returns Example The following code shows how to use CompositeByteBuf from …
Bytebuf.writeint
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WebMay 18, 2024 · int getInt(int index); ByteBuf setInt(int index, int value); int readInt(); ByteBuf writeInt(int value); 这些方法从缓冲区取得或设置一个4字节整数，区别在于 getInt () 和 setInt () 并 不会改变索引 ， readInt () 和 writeInt () 分别会 将读索引和写索引增加4 ，因为int占4个字节。 WebReturns the possible memory consumed by this DrillBuf in the worse case scenario. Release the provided number of reference counts. Create a new DrillBuf that is associated with an alternative allocator for the purposes of memory ownership and accounting. Return the buffer's byte contents in the form of a hex dump.
WebByteBuf buffer = ...; while (buffer.maxWritableBytes() >= 4) { buffer.writeInt(random.nextInt()); } Discardable bytes This segment contains the bytes which were read already by a read operation. Initially, the size of this segment is 0, but its size … WebJul 5, 2024 · An idea of this decoder is pretty simple. It uses an implementation of ByteBuf which throws an exception when there is not enough data in the buffer for the reading …
WebAug 4, 2024 · ByteBuf是一个抽象类，并不能直接用来实例化，虽然可以使用ByteBuf的子类进行实例化操作，但是netty并不推荐。 netty推荐使用io.netty.buffer.Unpooled来进行Buff的创建工作。 Unpooled是一个工具类，可以为ByteBuf分配空间、拷贝或者封装操作。 下面是创建几个不同ByteBuf的例子： import static io.netty. buffer.Unpooled.*;
WebNov 11, 2016 · 2) use netty ByteBuf's write function directly. void sendData2 (ChannelHandlerContext ctx, byte [] body) { final ByteBuf outBuf = ctx.alloc ().buffer (4+body.length); // header outBuf.writeInt (body.length); // body outBuf.writeBytes (body); ctx.writeAndFlush (outBuf); } 3) Setup two netty ByteBuf and send them out separately …
Webpublic abstract class ByteBuf extends java.lang.Object implements ReferenceCounted, java.lang.Comparable< ByteBuf >. A random and sequential accessible sequence of … smart car will not turn overWebAug 12, 2024 · ByteBuf buf = ...; while (buf.writableBytes() >= 4) { buf.writeInt(random.nextInt()); } 索引管理 通过调用markReaderIndex、markWriterIndex、resetReaderIndex、resetWriterIndex可以实现对读、写索引的标记与重置，可以通过readerIndex (int)、writerIndex (int)方法来移动读、写索引，注意，任何试图将索引移动到 … hillary diane first ladyWebJan 16, 2024 · ByteBuf.writeInt()方法的具体详情如下： 包路径：io.netty.buffer.ByteBuf 类名称：ByteBuf 方法名：writeInt. ByteBuf.writeInt介绍 [英]Sets the specified 32-bit … hillary diaper changeWebAug 10, 2016 · 上一章节中，分析了Netty如何处理read事件，本节分析Netty如何把数据写会客户端。. 把数据返回客户端，需要经历三个步骤：. 1、申请一块缓存buf，写入数据。. 2、将buf保存到ChannelOutboundBuffer中。. 3、将ChannelOutboundBuffer中的buff输出到socketChannel中。. smart car widthWebByteBuf provides two pointer variables to support sequential read and write operations - readerIndex for a read operation and writerIndex for a write operation respectively. The following diagram shows how a buffer is segmented into three areas by the two pointers: hillary devilleWebJul 5, 2024 · Introduction. In this article, we're going to take a look at Netty — an asynchronous event-driven network application framework. The main purpose of Netty is building high-performance protocol servers based on NIO (or possibly NIO.2) with separation and loose coupling of the network and business logic components. smart car windshield wiper replacementsWebNov 18, 2024 · ByteBuf 的三个指针. ByteBuf 通过三个整型的指针（index），有效地区分可读数据和可写数据，使得读写之间相互没有冲突。. 这个三个指针，分别是：. readerIndex（读指针）. writerIndex（写指针）. maxCapacity（最大容量）. 这三个指针，是三个int 型的成员属性，定义在 ... hillary desk sec of state