what pre-knowledge is needed before learning netty?
what pre-knowledge is needed before learning netty?
learn about the features of bio and nio, where their blocking points are, and the difference between them.
multithreading can learn about it, and recommend the book "java High concurrency programming" (GE Yiming).
also, to understand what the netty usage scenarios are, why they should be used, their advantages and disadvantages, and to address these questions, we can better understand netty.
I would like to ask you heroes, are there any good netty projects that can be used to practice? recently studied netty, to go over the basics, hoping to do some projects to consolidate ~ ...
recently there are a lot of major updates to springboot2, so I m going to take a look at spring-webflux s use of the built-in netty container as a startup container. although I have just encountered some holes in my hands, I have seen the effect as ...
is like this, I would like to ask a source code question, that is, about the Worker subclass of the HashedWheelTimer class in netty, why is it written like this when initializing startime? I don t understand. Is this System.nanoTime () equal to 0 in ...
is a game server written in java,netty, which is often requested by crawlers. at present, after one night, the netty is stuck and the new request will remain stuck, that is, it will not be printed on the console or respond to the client request. som...
when using Netty jvm to communicate, try to report a connection exception using LocalServerChannel and LocalChannel,. The code is as follows: server code: public void server() throws InterruptedException { final EchoServerHandler serverHan...
the port number of the server port is 8888 ...
recently, there is a problem on hand. When the project written by springboot integration netty is packed as a war package and deployed on weblogic11g, use weblogic to start the project and then close the project. When you start the project again, netty ...
there is a section of demo, in the user-guide of netty s official website that is not very clear. original text: netty4.x user Guide Chinese: netty4.x user Guide the data packet sent by the client, The server receives it in the form of a stream,...
LAST_ACK 5 SYN_RECV 2 CLOSE_WAIT 2 ESTABLISHED 863 FIN_WAIT1 22 FIN_WAIT2 106 TIME_WAIT 4698 when the ESTABLISHED reaches 2000, the sharp-sharp-sharp problem description is gradually increasing. the server Aliyun 4-core 16G, run unsatisfactori...
problem description when broadcasting with the ChannelGroup packet of netty, if there are multiple groups, how should the EventExecutor in the parameter be set when initializing ChannelGroup? Is it a direct GlobalEventExecutor.INSTANCE to make all Cha...
there is a volatile attribute in the netty internal logging framework InternalLoggerFactory that defaultFactory, does not understand why the volatile keyword is added, and if it is to implement a singleton, why not add the getDefaultFactory method in th...
demand scenario: Smart Home Gateway (hereinafter referred to as gateway), needs to communicate with netty server (hereinafter referred to as netty), netty and gateway need to maintain a long connection (in other words, both netty and gateway will activ...
get the code as shown in the figure, the ip address does not change, but the port number changes all the time. Boss, may I ask why this is? ...
problem description when you look at the ServerBootstrap startup process in Netty, you find that the interestOps registered by NIOServerSocketChannel is 0. what does it mean to register as 0? shouldn t ServerSocketChannel register the value of OP_CO...
how netty4.x acquires body: get ByteBuf through content () method and then readBytes to get byte [], ByteBuf byteBuf = reqMsg.content(); int length = byteBuf.readableBytes(); byte[] array = new byte[length]; ...
use netty as a message push system and use Web Socket protocol to communicate. Hundreds of thousands of connections are found and a hundred messages are sent during the test. at present, the client connects directly to the server to receive the expecte...
there is a server written by netty, and many CPP clients connect to the server. There is no communication between the client and the client. But there is also a control panel written by php, where you need to send instructions to the client of CPP. wh...
isn t Netty based on NIO? Why do you say you are asynchronous event-driven? ...
problem description: one or more channel we know will register on EventLoop . This EventLoop not only listens to events on Channel , but also handles business logic (including outbound logic) after the event arrives, that is, Netty handler c...
adding a built-in SslHandler to netty can support HTTPS, but there are problems with using HTTP access after it is added. how can you support the use of two protocols in one port in parallel, such as determining the use of HTTPS protocol in an event an...