Programmer Group

1.socket server building ideas 1) Objective: to understand the working mechanism of socket server 2) Idea: create socket - > Add socket to connection pool - > process receiving information - > handshake action - > send information   2.socket server code Note: copy to php file, direct command line can run, no other support is requi ...

For nginx's swarm alarm problem, we first need to understand that during the startup of nginx, the master process will listen to each port specified in the configuration file, and then the master process will call the fork() method to create each subprocess. According to the working principle of the process, the subprocess will inherit all the ...

1. Background Copy above Handwritten MQ Framework (3) - Client Implementation , which previously implemented mq as a server and client via the web, now plans to use netty to transform it.A while ago, I learned how to use netty (https://www.w3cschool.cn/netty4userguide/52ki1iey.html).There are probably some ideas. netty encapsulates the use of s ...

Python dynamic server web page (WSGI interface is required). The basic implementation steps are as follows: 1. Wait for the client's link, and the server will receive an http protocol request datagram 2. Use regular expression to parse the request datagram (request mode, environment for extracting files) 3. After extracting the file environment ...

Reprint RPC of TCP Introduction In this paper, a simple rpc call framework is implemented by using socket programming of java. It is composed of two projects named batchake provider (service provider) and batchake consumer (service caller). The design idea is as follows: 1. In the battery cake provider, write a service called battery cake serv ...

1. Multi process import os import time from multiprocessing import Process def func(args,args2): print(args,args2) time.sleep(3) print('Child process :', os.getpid()) print('Parent of child process :', os.getppid()) print(12345) if __name__ == '__main__': p = Process(target=func,args=('parameter','Pa ...

A TCP port scanner based on Python 3 Principle: TCP connection with different ports means that the port is open if the connection is successful, and closed if the connection is not successful. import socket import re import threading import time lock = threading.Lock() threads = list() ports_list = list() def judge_hos ...

Background # Two, installation 1. Install Python setuptools yum install python-setuptools #After the installation of supervisor, three executors will be generated: Supervisor TD, supervisor CTL and echo supervisor conf. they are the supervisor's daemons service (for receiving process management commands), the clien ...

Boot BossGroup and WorkerGroup: the former is responsible for receiving client connections, and the latter is responsible for network reading and writing. All types are NioEventLoopGroup NioEventLoopGroup is equivalent to an event loop group, which contains multiple event loops. Each event loop is NioEventLoop NioEventLoop refers to a thr ...

1: First, let's talk about the installation of thinkphp+workerman. Install thinkp5.1 composer create-project topthink/think=5.1.x-dev tp5andworkman Install think worker My official group Click here. composer require workerman/workerman 2: Let's first look at the code of think worker config/worker_server.php Let's start with an example o ...