2021-08-13-ChannelInboundHandlerAdapter 生命周期
ChannelInboundHandlerAdapter 生命周期
public class LifeCyCleTestHandler extends ChannelInboundHandlerAdapter {
@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
System.out.println("逻辑处理器被添加:handlerAdded()");
super.handlerAdded(ctx);
}
@Override
public void channelRegistered(ChannelHandlerContext ctx) throws Exception {
System.out.println("channel 绑定到线程(NioEventLoop):channelRegistered()");
super.channelRegistered(ctx);
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
System.out.println("channel 准备就绪:channelActive()");
super.channelActive(ctx);
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
System.out.println("channel 有数据可读:channelRead()");
super.channelRead(ctx, msg);
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
System.out.println("channel 某次数据读完:channelReadComplete()");
super.channelReadComplete(ctx);
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
System.out.println("channel 被关闭:channelInactive()");
super.channelInactive(ctx);
}
@Override
public void channelUnregistered(ChannelHandlerContext ctx) throws Exception {
System.out.println("channel 取消线程(NioEventLoop) 的绑定: channelUnregistered()");
super.channelUnregistered(ctx);
}
@Override
public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
System.out.println("逻辑处理器被移除:handlerRemoved()");
super.handlerRemoved(ctx);
}
}
启动连接过程
关闭过程
整个流程