kongkong的专栏

IdleStateHandler主要属性 private final long readerIdleTimeNanos; // 读空闲超时时间 private final long writerIdleTimeNanos; // 写空闲超时时间 private final long allIdleTimeNanos; // 读和写都空闲的超时时间 private long lastReadTime; // 最后1次读的时间 private long las

register0入口 AbstractChannel.register0private void register0(ChannelPromise promise) { try { .................. boolean firstRegistration = neverRegistered; doRegister(); neverRegi

channelReadCompletereadAbstractNioByteChannelpublic final void read() {ByteBuf byteBuf = null; boolean close = false; try { do { byteBuf = allocHandle.allocate(allocator);

fire******这里以fireChannelRead为例，还有fireChannelActive、fireChannelReadComplete、fireExceptionCaught 等入口从head开始调用public final ChannelPipeline fireChannelRead(Object msg) { AbstractChannelHandlerContext.invokeChannelRead(head, msg); // DefaultChannelP

DefaultEventExecutorChooserFactory构造函数单例public static final DefaultEventExecutorChooserFactory INSTANCE = new DefaultEventExecutorChooserFactory(); private DefaultEventExecutorChooserFactory() { }newChooser策略模式public EventExecutorChooser newCho

ChannelInitializerprotected abstract void initChannel(C ch) throws Exception;public final void channelRegistered(ChannelHandlerContext ctx) throws Exception { // Normally this method will never be called as handlerAdded(...) should call initCha

流程图

NioServerSocketChannelio.netty.channel.socket.nio.NioServerSocketChannel继承图NioServerSocketChannel 方法构造函数public NioServerSocketChannel() { this(newSocket(DEFAULT_SELECTOR_PROVIDER));}newSocket打开ServerSocketChannelprivate static ServerSocketCh

类io.netty.channel.socket.nio.NioSocketChannel封装了操作java nio操作public class NioSocketChannel extends AbstractNioByteChannel implements io.netty.channel.socket.SocketChannel { }打开SocketChannelpublic NioSocketChannel(SelectorProvider provider) { this(

DefaultSelectStrategyFactory 默认Select策略工厂public final class DefaultSelectStrategyFactory implements SelectStrategyFactory { public static final SelectStrategyFactory INSTANCE = new DefaultSelectStrategyFactory(); private DefaultSelectStrateg...

业务代码// Start the server.ChannelFuture f = b.bind(PORT).sync();AbstractBootstrappublic ChannelFuture bind(SocketAddress localAddress) { validate(); if (localAddress == null) { throw new NullPointerException("localAddress

构造函数NioEventLoop(NioEventLoopGroup parent, Executor executor, SelectorProvider selectorProvider, SelectStrategy strategy, RejectedExecutionHandler rejectedExecutionHandler) { super(parent, executor, false, DEFAULT_MAX_PENDING_TA

整体类图参照https://blog.youkuaiyun.com/kq1983/article/details/1079126111. thread确定NioEventLoopGroup() 这样的话，默认是cpu的核数*2public NioEventLoopGroup() { this(0);}// MultithreadEventLoopGroup类// 看这里如果thread=0 则默认是DEFAULT_EVENT_LOOP_THREADSprotected Mu.

NioEventLoopGroup整体结构图jdk自带线程池详细图(从EventExecutorGroup)

ChannelHandlerChannelHandlerAdapterChannelInboundHandlerChannelInboundHandlerAdapterChannelOutboundHandlerChannelOutboundHandlerAdapter

ChannelInboundInvokerChannelOutboundInvoker

事件位置从右到左17个位置，每个事件占用1个位置，比如第1个位置1，0001第2个位置2，0010第3个位置4，0100第4个位置8，1000..............................第16个位置32768， 1000 0000 0000 0000(左移15位)第17个位置65536 1 0000 0000 0000 0000 (左移16位)此类推@Skip注解标注Skip的注解会被排除掉，int mask = MASK...

java.util.concurrent.Future 顶层是jdk的Futureio.netty.util.concurrent.Futurenetty的Future继承jdk的Futureio.netty.channel.ChannelFutureio.netty.util.concurrent.PromisePromise继承netty的Futureio.netty.channel.ChannelPromise...

EventListenerGenericFutureListener GenericFutureListener继承EventListenerFutureListenerFutureListener类图GenericProgressiveFutureListenerGenericProgressiveFutureListener 类图...