Handwritten RPC core module network protocol module writing -- implementation of codec

The previous foundation has been written. Now let's implement the encoder. Why do I need an encoder? netty is only responsible for transmitting data. It doesn't care what the data looks like. As mentioned earlier, the custom protocol is to organize, transmit and decode the data we want to transmit according to our rules. The encoder is to organ ...

Posted on Mon, 06 Dec 2021 17:33:32 -0500 by AncientSage

The simplest DIY intelligent color lamp ⑤ based on ESP8266 (use C# palette UI to control WS2812 color lamp through serial port)

ESP8266 and ESP32 intelligent lantern development series article directory Part 1: the simplest DIY intelligent color lamp ① based on ESP8266 (use the button to light up the ordinary RGB lamp on the web page) Part 2: the simplest DIY intelligent color lamp based on ESP8266 ② (RGB lamp is controlled by buttons and sliding bars on Web pages) Par ...

Posted on Sun, 05 Dec 2021 23:57:03 -0500 by j_miguel_y

[Lab4 Cisco] OSPF neighbor establishment process and LSDB analysis

Experimental requirements 1. According to the topology prompt, enable OSPF routing protocol for each route, divide corresponding areas, and verify the neighbor relationship and database information, so as to ensure the interoperability of the whole intranet. Among them, the loopback entry on R7 is required to be introduced as an external entr ...

Posted on Sun, 05 Dec 2021 14:36:13 -0500 by david.brown

Handwritten RPC core module network protocol module -- user defined protocol

Custom protocol? When I first heard this term, I felt so tall! After learning this class later, I found that the so-called user-defined protocol is to define a set of data transmission rules. So you don't necessarily understand We know that only binary can be transmitted in the network, so before RPC requests are sent to the network, they need ...

Posted on Sun, 05 Dec 2021 08:24:20 -0500 by wmguk

docker container virtualization

Container virtualization of Docker Virtualized network Network Namespace is a function provided by Linux kernel and an important function to realize network virtualization. It can create multiple isolated network spaces with independent network stack information. Whether it is a virtual machine or a container, it seems as if it is running in ...

Posted on Sat, 04 Dec 2021 01:47:52 -0500 by keystroke

docker container network

docker container network docker container network Docker automatically provides three networks after installation and can be viewed using the docker network ls command [root@localhost ~]# docker network ls NETWORK ID NAME DRIVER SCOPE 6cf45e2c0e7d bridge bridge local b11e58ca673a host host local f023a89f7f92 ...

Posted on Fri, 03 Dec 2021 22:52:05 -0500 by grga

Java Network Programming TCP/UDP (Socket)

Network programming 1.1 overview Purpose: Dissemination and exchange of information, data exchange and communication What you want to achieve: How to accurately locate a host on the network: ip:port locate a resource on this machineFound this host, how to transfer data javaweb: Web programming B/S Network programming: TCP/IP C/S 1.2 ele ...

Posted on Fri, 03 Dec 2021 17:20:00 -0500 by collamack

L ocker container network

docker container network Docker automatically provides three types of networks after installation, which can be viewed using the docker network ls command [root@localhost ~]# docker network ls NETWORK ID NAME DRIVER SCOPE 9692fae45042 bridge bridge local cd5368439dc0 host host local c49a1db81682 none ...

Posted on Fri, 03 Dec 2021 14:36:06 -0500 by Danicek

DOS command details

0DOS command DOS command, a computer term, refers to the command of DOS operating system, which is a disk oriented operation command. 1DOS command classification DOS commands provided for users can be divided into three categories: 1.1 internal commands It is a part of the resident memory in DOS command. It is loaded into memory by the ...

Posted on Tue, 30 Nov 2021 22:53:46 -0500 by tukon

Analysis and solution of 9 common CMS GC problems in Java

1. Write in front |This article mainly summarizes some usage scenarios of "CMS + ParNew" combination in Hotspot VM. Focus on analyzing the root causes and summarizing the troubleshooting methods through part of the source code. The troubleshooting process will be omitted. In addition, there are many professional terms in this paper, ...

Posted on Tue, 30 Nov 2021 20:03:53 -0500 by Hamlets666