


How to Gracefully Shut Down a Go TCP Server and Interrupt the `(*TCPListener) Accept` Goroutine?
Interrupting a Go-routine Executing (*TCPListener) Accept
While creating a TCP server in Go, you may encounter the challenge of gracefully shutting down the server and interrupting the goroutine handling func (*TCPListener) Accept.
In Go, func (*TCPListener) Accept blocks execution until a connection is received. To interrupt this goroutine, you should:
Close the net.Listener:
The key to interrupting the Accept goroutine is to close the net.Listener obtained from net.Listen(...). By closing the listener, you signal the operating system that no more connections will be received, causing the Accept goroutine to exit.
Return from the Goroutine:
After closing the listener, ensure your goroutine returns. If the goroutine has code following the Accept call, it will continue executing and may cause unintended behavior or errors.
Example Code:
<code class="go">package main import ( "fmt" "net" ) func main() { ln, err := net.Listen("tcp", ":8080") if err != nil { // Handle error } go func() { for { conn, err := ln.Accept() if err != nil { if err == net.ErrClosed { return // Listener was closed } // Handle other errors } // Handle connection conn.Close() } }() fmt.Println("Press enter to stop...") var input string fmt.Scanln(&input) ln.Close() // Close the listener, interrupting the Accept loop }</code>
This code creates a TCPListener on port 8080 and launches a goroutine that handles incoming connections in an infinite loop. When the user presses enter, the program closes the listener and interrupts the blocking Accept call, causing the goroutine to return.
The above is the detailed content of How to Gracefully Shut Down a Go TCP Server and Interrupt the `(*TCPListener) Accept` Goroutine?. For more information, please follow other related articles on the PHP Chinese website!

ThebytespackageinGoisessentialformanipulatingbytesliceseffectively.1)Usebytes.Jointoconcatenateslices.2)Employbytes.Bufferfordynamicdataconstruction.3)UtilizeIndexandContainsforsearching.4)ApplyReplaceandTrimformodifications.5)Usebytes.Splitforeffici

Tousethe"encoding/binary"packageinGoforencodinganddecodingbinarydata,followthesesteps:1)Importthepackageandcreateabuffer.2)Usebinary.Writetoencodedataintothebuffer,specifyingtheendianness.3)Usebinary.Readtodecodedatafromthebuffer,againspeci

The encoding/binary package provides a unified way to process binary data. 1) Use binary.Write and binary.Read functions to encode and decode various data types such as integers and floating point numbers. 2) Custom types can be handled by implementing the binary.ByteOrder interface. 3) Pay attention to endianness selection, data alignment and error handling to ensure the correctness and efficiency of the data.

Go's strings package is not suitable for all use cases. It works for most common string operations, but third-party libraries may be required for complex NLP tasks, regular expression matching, and specific format parsing.

The strings package in Go has performance and memory usage limitations when handling large numbers of string operations. 1) Performance issues: For example, strings.Replace and strings.ReplaceAll are less efficient when dealing with large-scale string replacements. 2) Memory usage: Since the string is immutable, new objects will be generated every operation, resulting in an increase in memory consumption. 3) Unicode processing: It is not flexible enough when handling complex Unicode rules, and may require the help of other packages or libraries.

Mastering the strings package in Go language can improve text processing capabilities and development efficiency. 1) Use the Contains function to check substrings, 2) Use the Index function to find the substring position, 3) Join function efficiently splice string slices, 4) Replace function to replace substrings. Be careful to avoid common errors, such as not checking for empty strings and large string operation performance issues.

You should care about the strings package in Go because it simplifies string manipulation and makes the code clearer and more efficient. 1) Use strings.Join to efficiently splice strings; 2) Use strings.Fields to divide strings by blank characters; 3) Find substring positions through strings.Index and strings.LastIndex; 4) Use strings.ReplaceAll to replace strings; 5) Use strings.Builder to efficiently splice strings; 6) Always verify input to avoid unexpected results.

ThestringspackageinGoisessentialforefficientstringmanipulation.1)Itofferssimpleyetpowerfulfunctionsfortaskslikecheckingsubstringsandjoiningstrings.2)IthandlesUnicodewell,withfunctionslikestrings.Fieldsforwhitespace-separatedvalues.3)Forperformance,st


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Atom editor mac version download
The most popular open source editor

Dreamweaver Mac version
Visual web development tools

SublimeText3 Chinese version
Chinese version, very easy to use

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

SublimeText3 English version
Recommended: Win version, supports code prompts!
