search
HomeBackend DevelopmentGolangHow to use pipe buffers for flow control in Goroutine?

Using pipe buffers for flow control ensures safe communication in Goroutines. It allows blocking when the buffer is full when sending data and blocking when the buffer is empty when receiving data: Creating a pipe with a buffer The send data operation blocks when the buffer is empty , receiving data operations will block

如何在 Goroutine 中使用管道缓冲区进行流量控制?

How to use pipe buffers for flow control in Goroutine

##Introduction

In Goroutine concurrent programming, a pipe is a data structure used to communicate safely between Goroutines. Pipe buffers are an optional feature in pipes that provide flow control for send and receive operations.

Use pipe buffer for flow control

1. Create a pipe with buffer

bufsize := 10
pipeline := make(chan int, bufsize)

The above code creates Creates a pipe with buffer size

bufsize.

2. Send data to the pipe

When the pipe buffer is full, the

Send operation will block until there is room for more data .

for i := 0; i < 100; i++ {
    pipeline <- i
}

3. Receive data from the pipe

Similarly, when the pipe buffer is empty, the

Receive operation will block until there is data Available for reception.

for i := 0; i < 100; i++ {
    data := <-pipeline
    fmt.Println(data)
}

Practical case

Asynchronous web service

In an asynchronous web service, the pipe buffer can be used to control the incoming The requested rate. By limiting the size of the pipe buffer, we ensure that the server is not overloaded by handling too many requests at the same time.

Code example:

func main() {
    bufsize := 10
    pipeline := make(chan *http.Request, bufsize)

    // 启动 HTTP 服务器
    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        pipeline <- r
    })

    // 启动 Goroutine 来处理请求
    go func() {
        for {
            req := <-pipeline
            // 处理请求
        }
    }()

    http.ListenAndServe(":8080", nil)
}

In this case, the size of the buffer is

10, which means the server can handle at most 10 simultaneously requests to prevent problems due to excessive request load.

The above is the detailed content of How to use pipe buffers for flow control in Goroutine?. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Golang vs. C  : Code Examples and Performance AnalysisGolang vs. C : Code Examples and Performance AnalysisApr 15, 2025 am 12:03 AM

Golang is suitable for rapid development and concurrent programming, while C is more suitable for projects that require extreme performance and underlying control. 1) Golang's concurrency model simplifies concurrency programming through goroutine and channel. 2) C's template programming provides generic code and performance optimization. 3) Golang's garbage collection is convenient but may affect performance. C's memory management is complex but the control is fine.

Golang's Impact: Speed, Efficiency, and SimplicityGolang's Impact: Speed, Efficiency, and SimplicityApr 14, 2025 am 12:11 AM

Goimpactsdevelopmentpositivelythroughspeed,efficiency,andsimplicity.1)Speed:Gocompilesquicklyandrunsefficiently,idealforlargeprojects.2)Efficiency:Itscomprehensivestandardlibraryreducesexternaldependencies,enhancingdevelopmentefficiency.3)Simplicity:

C   and Golang: When Performance is CrucialC and Golang: When Performance is CrucialApr 13, 2025 am 12:11 AM

C is more suitable for scenarios where direct control of hardware resources and high performance optimization is required, while Golang is more suitable for scenarios where rapid development and high concurrency processing are required. 1.C's advantage lies in its close to hardware characteristics and high optimization capabilities, which are suitable for high-performance needs such as game development. 2.Golang's advantage lies in its concise syntax and natural concurrency support, which is suitable for high concurrency service development.

Golang in Action: Real-World Examples and ApplicationsGolang in Action: Real-World Examples and ApplicationsApr 12, 2025 am 12:11 AM

Golang excels in practical applications and is known for its simplicity, efficiency and concurrency. 1) Concurrent programming is implemented through Goroutines and Channels, 2) Flexible code is written using interfaces and polymorphisms, 3) Simplify network programming with net/http packages, 4) Build efficient concurrent crawlers, 5) Debugging and optimizing through tools and best practices.

Golang: The Go Programming Language ExplainedGolang: The Go Programming Language ExplainedApr 10, 2025 am 11:18 AM

The core features of Go include garbage collection, static linking and concurrency support. 1. The concurrency model of Go language realizes efficient concurrent programming through goroutine and channel. 2. Interfaces and polymorphisms are implemented through interface methods, so that different types can be processed in a unified manner. 3. The basic usage demonstrates the efficiency of function definition and call. 4. In advanced usage, slices provide powerful functions of dynamic resizing. 5. Common errors such as race conditions can be detected and resolved through getest-race. 6. Performance optimization Reuse objects through sync.Pool to reduce garbage collection pressure.

Golang's Purpose: Building Efficient and Scalable SystemsGolang's Purpose: Building Efficient and Scalable SystemsApr 09, 2025 pm 05:17 PM

Go language performs well in building efficient and scalable systems. Its advantages include: 1. High performance: compiled into machine code, fast running speed; 2. Concurrent programming: simplify multitasking through goroutines and channels; 3. Simplicity: concise syntax, reducing learning and maintenance costs; 4. Cross-platform: supports cross-platform compilation, easy deployment.

Why do the results of ORDER BY statements in SQL sorting sometimes seem random?Why do the results of ORDER BY statements in SQL sorting sometimes seem random?Apr 02, 2025 pm 05:24 PM

Confused about the sorting of SQL query results. In the process of learning SQL, you often encounter some confusing problems. Recently, the author is reading "MICK-SQL Basics"...

Is technology stack convergence just a process of technology stack selection?Is technology stack convergence just a process of technology stack selection?Apr 02, 2025 pm 05:21 PM

The relationship between technology stack convergence and technology selection In software development, the selection and management of technology stacks are a very critical issue. Recently, some readers have proposed...

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version