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Preface This article aggregates the specific processing of send and recv when selecting 2 cases (1 send/recv case, 1 default case). For more content sharing, please follow the Public Number: Go Development Notes chansend select { case c <- v: ... foo default: ... bar } The bottom corresponding func is selectnbsend. selectnbsend // ...

  public V put(K key, V value) { return putVal(hash(key), key, value, false, true); } static final int hash(Object key) { int h; //The final hash value is obtained by performing or calculating the high and low bits of the hash value of the key return (key == null) ? 0 : (h = key.hashCode()) ^ (h &gt ...

Speaking of AQS, we have to say that the classic ReentrantLock is the best embodiment of AQS However, we can briefly talk about AQS characteristics first What is AQS? Abstract queue synchronizer All request threads form a CLH queue. When a thread finishes executing lock When you unlock, your subsequent nodes will be activated. The executing ...

preface The notes are based on black horse's Netty teaching handout and some of my own understanding. I feel that this is a very good video I've seen. There's basically no nonsense. Video address: Black horse Netty . Here is. Or this Code: public class TestSourceServer { public static void main(String[] args) { new ServerB ...

Technical work should be rewarded follow+Click three times (like, comment, collect) and watch again to form a good habit Before reading this article, I suggest you have a certain understanding of the date and time of the java source code. If you don't know, you can read this article first: Wanzi blog teaches you to understand the date and t ...

The flow aging entry function FlowManager checks the aging process. If it enters the emergency mode, it directly calls the function FlowTimeoutHash for aging processing. If it is in the normal mode, it calls the function FlowTimeoutHashInChunks for aging processing. 1. FlowTimeoutHashInChunks function FlowManager->FlowTimeoutHashInChunks ...

This article continues to explain the establishment of flow in the previous article. The most important function FlowGetNew is to obtain a flow. The acquisition process is also very tortuous. Please tell your grandparents to get a flow. 1. The function flowgetnew can also be understood in several aspects: FlowHandlePacket->FlowGetFlowFromH ...

brief introduction In the last few articles, we explored the code related to request processing. This article begins to explore some operation codes before request processing, such as Filter. This article explores Filter initialization, request processing and other related codes. preface First, simply define the relevant test code: Startup ...

I believe RestTemplate is the most used http client in SpringBoot. Let's analyze its source code today. 1, Simplest usage First, you need to inject the Bean instance of RestTemplate into the container @Configuration public class RestTemplateConfig { @Bean public RestTemplate getRestTemplate() { return new RestTemplate(); ...

Learning is not so utilitarian. The second senior brother will take you to easily read the source code from a higher dimension ~ Speaking of the service subscription mechanism of Nacos, friends who don't know about it may feel very mysterious. This article will let you understand the subscription implementation of Nacos 2.0 client in simple ...