How to implement skynet in golang

Golang language is an open source programming language developed by Google. It has efficient, high performance and powerful concurrent programming capabilities, so it has attracted the attention and love of more and more developers. Skynet is an open source distributed game server framework based on the Lua language. It is characterized by high customizability, excellent performance, and ease of use. This article will introduce how to implement the Skynet framework using Golang.

First, we need to prepare the Lua scripting language environment for Golang. This can be done in Golang using the go-lua library on github. This library is a simple wrapper for Lua 5.1 and is very convenient to use. The specific steps are as follows:

1. After installing the Golang environment, enter the terminal interface and enter "go get github.com/Shopify/go-lua" to obtain the go-lua library.
2. Reference the go-lua library in subsequent code.

Next, we will implement the basic functions of Skynet, including starting services and sending messages. Here we will introduce it according to the idea of ​​​​implementing it from the bottom.

1. Initialization of LUA environment. LUA is Skynet's scripting language. We need to initialize the LUA environment first. The method is as follows:

   L := lua.NewState()
   defer L.Close()

2. Start the service. Skynet is a message-driven server framework, and we need to use asynchronous sockets to manage our servers.

      serverAddr, _ := net.ResolveUDPAddr("udp", "127.0.0.1:12345")
      conn, _ := net.ListenUDP("udp", serverAddr)
      socket.StartSocket(L, conn)

3. Send message. The implementation of messages in Skynet is very simple. We only need to add a message to the message queue, and other threads will automatically process the message.

       mess := &socket.UDPMessage{CodecID:1,MsgBytes:[]byte("Hello World"),Peer:clientAddr} 
       socket.SendMsg(L, mess)

Through the above steps, we have successfully implemented some functions of the Skynet framework. Of course, in actual applications, we also need to improve the entire system according to business needs.

Summary: Through the introduction of this article, we have learned about some basic syntax and library usage of Golang. More importantly, we have learned how to use Golang to implement the Skynet framework and complete the function implementation with a few lines of code. The implementation of Skynet is very inspiring, and due to its good customizability, it can be used in various types of application scenarios. Such an excellent network framework is worth learning and using, both as a developer and as a user.

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