'gobesvrbase'

1.tech stack

• Language : go (go1.21.9)
• Database: mariadb
• web framework: gorilla
• communication: kafka, tcp/ip, restful api, sse
• kernel: shared memory, signal
• version control: github

2.Description

gobesvrbase is a backend server process

1. It provides http rest api and http sse
2. It provides kafka and tcp/ip commucation
3. It provides database access(mariadb)
4. It provides shared memory between process, linux signal handling and CLI process
5. It is just backend server base process

3.Process structure

4.Process Desc

• apimp : API server Manage Process, mornitor 'apisvr', exe process
• apisvr : backend prcoess (It perform http, db access and network communication(tcp and kafka))
• cli : Client line interface (It provides debug command and information)

5.Package Desc

5.1) apimp

• It exist only main package

5.1) apisvr

• apisvr package tree

├── main
├── app
│   ├── appmodel `[global model package]`
│   ├── dbapp `[Database interface package]`
│   │   └── mdb `[mariadb access package]`
│   ├── httpapp `[http api, sse package]`
│   ├── msgapp `[network message processing package]`
│   ├── netapp `[network communication, httpapp-netapp and netapp-msgapp channel management package]`
│   ├── kafkatapp `[kafka message consume and produce]`
│   └── objdb `[Object management package]`
└── comm `[tcp/ip wrapper package]`

5.2) cli

• cli package tree

├── main
└── cmd `[command processing package]`

6.Usage

1) clone repository

• https://github.com/gdygd/gobesvrbase.git

2) compile source

• $sh make.sh

3) Execute process

• move bin directory : $cd ./bin
• execute process : apimp

4) Test Tcp Server process

• ref : https://github.com/gdygd/tcpserver

7.test api and sse

• /gettest : get test api, It resonse "{"result":0,"data":[{"Dt":"2024-08-05 17:09:33","Val":1}],"reqdata":null}"
• /posttest: post test api, It response {"result":0,"data":"PostTest","reqdata":null}"
• /deltest : delete test api, It response {"result":0,"data":"DelTest","reqdata":null}
• /netcmd : request network command
• /events : send server time every 1sec (YYYY-MM-DD HH:MM:SS)

8.Data flow

8.1) httpapp - dbapp

8.2) httpapp - netapp - msgapp

8.2) httpapp - kafkaapp - netapp - msgapp

9.CLI Usage

• command list

 * help
 * system
 * version
 * process
 * debug
 * exit
 * termiante

• help : show command help message
• system : show system infomation
• version : show application version infomation
• process : show process state infomation
• debug : change logging level
• exit : quti cli
• terminate : terminate all process