netlink in linux

netlink in linux uses: This code snippet appears in the file: app video ueventmonitor ueventmonitor. c, and is a thread created at the time of sdk initialization. Preliminary analysis of the role of this code is to use netlink mechanism to receive, event interruption message, parse the received mes ...

Posted by coelex on Wed, 31 Jul 2019 07:45:24 -0700

Common front-end cross-domain request methods

Common front-end cross-domain solutions (full)   What is cross-domain? Cross-domain refers to documents or scripts in one domain trying to request resources in another domain, where cross-domain is broad. Broad cross-domain: 1. Resource jump: A link, redirection, form submission 2. Resource embedding: <link>, <script>, &lt ...

Posted by james2010 on Mon, 29 Jul 2019 07:42:18 -0700

Actual MySQL 8.0.17 Clone Plugin

background It's amazing, 5.7.17 and 8.0.17, two successive 17 minor versions are eye-catching. The former adds Group Replication, while the latter adds Clone Plugin. Today we're going to test this new feature in action. Introduction to Clone Plug-ins Cloning plug-ins allow data to be cloned locally or remotely from MySQL instances. Cloned data ...

Posted by fhil85 on Mon, 29 Jul 2019 00:45:57 -0700

Principle of proxychains implementation

proxychains function proxychains allow commands to access the network through the specified proxy. For example: wget www.google.com Due to the firewall, direct access is not available.   If you already have a proxy service (socks5://127.0.0.1:1080), after configuring proxychains: proxychain ...

Posted by birdie on Sun, 28 Jul 2019 00:04:34 -0700

9102, Play Mail System Again: Installation

The original is published on a personal site: GitDiG.com , link to the original text: 9102, Play Mail System Again: Installation This article was originally intended to be written in the middle of a series of articles about the mail system in 9102, but it was the first to do so.This series will include the following three articles: [] 9102, P ...

Posted by Ali_baba on Thu, 25 Jul 2019 18:12:52 -0700

Upper computer control correlation

The base_control.cpp code is as follows: /****************************************************************** The basic controller of ROS Trolley Based on serial communication has the following functions: 1. Realize ros control data through fixed format and serial communication, so as to control the mov ...

Posted by ironside82 on Tue, 23 Jul 2019 20:42:34 -0700

Make a simple chat room with Node (with websokcet tutorial)

I've been talking about theory before. Let's talk about dry goods this time.By the way, let's write that vue series from zero single row in a few days. Usher is Usher after all, and it is really difficult to simulate the whole vue for a while and a half. Keep talking. (We need a node environment here, on a computer.)If you don't install node, c ...

Posted by justindublin on Sun, 21 Jul 2019 01:24:12 -0700

Universal File Service Component (Netty Implementation Version)

The file service components described in this article have been described in the previous article of the author.( File upload and download component based on netty However, this paper will be based on the previous implementation to upgrade again, using annotation-based way of automatic assembly. 1. Introduction 1.1 Introduction to Netty Netty i ...

Posted by nodehopper on Sat, 20 Jul 2019 21:21:59 -0700

Organizational Approach of Microservice Infrastructure Components

brief introduction Micro is a micro-service framework implemented in go language, which realizes several common elements of services, such as gateway, proxy, registry, messaging, and also supports pluggable extension. This article explores how the project implements these components and organizes them to work together through a core object in m ...

Posted by RedMist on Sat, 20 Jul 2019 07:32:03 -0700

Netty-Pipeline Depth Analysis

First of all, we know that in NIO network programming model, IO operations are directly related to channel, such as client request connection, or sending data to the server, the server must obtain this data from the client channel. So what is Channel Pipeline? In fact, this channel Pepiline is a component added by netty to the native channel. A ...

Posted by vladj on Fri, 19 Jul 2019 20:41:59 -0700