Implementing an MQTT Protocol Client in Java

Implementing an MQTT Protocol Client in Java

Set Programmer Zilong as starred to read quality articles in real-time Hello everyone, I am Zilong, focusing on sharing AI tools and breaking down AI side jobs to make earning money easier. 1. Introduction to MQTT MQTT (Message Queuing Telemetry Transport) is an IoT communication protocol developed by IBM. OASIS (Organization for the Advancement of … Read more

HttpClient vs RestSharp: Which One Should You Choose in .NET?

HttpClient vs RestSharp: Which One Should You Choose in .NET?

In .NET projects, whenever you need to call a REST API, you cannot avoid these two names: HttpClient and RestSharp. They can both send requests, retrieve data, and handle responses, but the experience of using them is completely different—one feels like a “manual transmission,” while the other feels like an “automatic transmission.” Which one should … Read more

Optimization Strategies for HttpClient in High Concurrency Scenarios, Significantly Increasing QPS!

Optimization Strategies for HttpClient in High Concurrency Scenarios, Significantly Increasing QPS!

One memorable instance was a week before the Double Eleven shopping festival when one of our APIs was overwhelmed. At that time, the business logic of the API was quite simple, just calling a few external services to fetch data and then assembling the results. Logically, CPU and memory usage were not high, so the … Read more

Comprehensive Guide to HttpClient: From HTTP Request Principles to High Concurrency Practices

Comprehensive Guide to HttpClient: From HTTP Request Principles to High Concurrency Practices

01 Introduction Before Java 11, the HttpURLConnection feature provided by the standard library was quite basic. It was difficult to handle complex HTTP scenario requirements, such as connection pool management, asynchronous requests, and flexible retries. Apache HttpClient, as one of the most mature and comprehensive HTTP client libraries in the Java ecosystem, has been widely … Read more

HTTP Persistent Connections and HttpClient Connection Pool

HTTP Persistent Connections and HttpClient Connection Pool

(Click the public account above to quickly follow) Source: kingszelda, www.cnblogs.com/kingszelda/p/8988505.html 1. Background The HTTP protocol is a stateless protocol, meaning each request is independent of others. Therefore, its initial implementation was that each HTTP request would open a TCP socket connection, which would be closed after the interaction was complete. HTTP is a full-duplex … Read more

How to Maximize Concurrency and Performance When Making HTTP Requests with HttpWebRequest in C#

How to Maximize Concurrency and Performance When Making HTTP Requests with HttpWebRequest in C#

Introduction When using<span><span>HttpWebRequest</span></span> to initiate HTTP requests in C#, you can improve concurrency and performance in the following ways: 1. ServicePointManager Settings <span><span>ServicePointManager</span></span> is a static class that provides properties and methods for managing HTTP connections. To enhance concurrent performance, you need to adjust the following key properties: DefaultConnectionLimit: By default, the .NET Framework’s<span><span>ServicePointManager</span></span> limits … Read more

Stop Handwriting HttpClient? Hutool HttpUtil Simplifies API Calls and File Downloads in One Line, No More Redundant Code

Stop Handwriting HttpClient? Hutool HttpUtil Simplifies API Calls and File Downloads in One Line, No More Redundant Code

When developing, HTTP requests can be quite torturous: When calling third-party APIs, you have to manually create an HttpClient, set request headers, and handle response streams, resulting in a mountain of code. Downloading files requires handling input and output streams yourself, considering resuming downloads and progress display, making the logic complex. Manually encoding URL parameters … Read more

Understanding the Implementation Principles of the Go HTTP Standard Library

Understanding the Implementation Principles of the Go HTTP Standard Library

Table of Contents Introduction Connection Reuse Mechanism Server Registering Routes Starting the Server Handling Client Requests Route Matching Client Data Structures Initiating Requests Obtaining Connections Reusing Idle Connections Creating or Waiting for Connections Creating Connections Read Goroutine Write Goroutine Returning Connections Sending Requests Two Companion Read and Write Goroutines Introduction This article will introduce the … Read more

.NET Development: Pitfalls and Best Practices of HttpClient

.NET Development: Pitfalls and Best Practices of HttpClient

In .NET project development, HttpClient is almost an essential tool for calling external APIs. It is easy to use, but if you do not understand its internal mechanisms, you may encounter pitfalls that can lead to serious issues such as service avalanche and port exhaustion. Today, we will review common pitfalls in HttpClient and their … Read more

.NET 6 HttpClient Timeout Mechanism

.NET 6 HttpClient Timeout Mechanism

Introduction In .NET 6, the recommended way for network communication is to use the HttpClient type. In the peculiar network environment in China, there are many weak network conditions to consider, one of the most important being network timeouts. This article will explain how to properly use the timeout mechanism of HttpClient. Main Content In … Read more