JServer

JServer is a Node.js server Framework for dealing with HTTP/WebSocket applications

Features

ServerType
- HTTP
- WebSocket
Abstraction Layer DB | Cache
Asynchronous DB writing
Cache LIB support CRUD only in simple Query (supported only MySQL/MariaDB based. other DBMS type Query not yet tested)
Cache TTL can be applied All/Partial
Supports synchronization the resources between all distributed servers. using by Server to Server broadcasting (e.g. Server Time, Server CDN data, ...)
Flexibility controllable about time functions (e.g. times.dailyCode() by config.testTime, see. src/module/test.timesBoard())
default TimeZone is UTC (log time is UTC fixed), and server's contents time modificable by times.sync() on your needs

Input/Output logging with "(cookie|session|socket)-id, pair-id of each recv-send, pid, IP-address, elapsed-time (ms)" for tracing

##########################################
# [2022-04-19T13:09:17.930Z] < UTC fixed #
##########################################
[2022-04-19T13:09:17.930Z][INFO ] [VDlSFz3qYIxYSvhBdXYZsPoEILxWZ4O7][1lvc0khcl265x9m2][recv]{sess: VDlSFz3qYIxYSvhBdXYZsPoEILxWZ4O7, pid: 26544, ip: 1} {"method":"GET","path":"/common/ip","data":{}}
[2022-04-19T13:09:17.934Z][INFO ] [VDlSFz3qYIxYSvhBdXYZsPoEILxWZ4O7][1lvc0khcl265x9m2][send][3.4140000343322754] {"code":0,"message":"","data":"1"}

PacketName customization
Utilities in src/schema
- dump-structure-* : current project DB structure dump to src/schema/${database-name}.sql (Supports only MySQL/MariaDB yet)
- init-data-* : current project Data initialization (Supports only MySQL/MariaDB, Redis yet)

Requirements

application
- Node.js 14.x or higher
- MySQL 5.7.x or higher
- redis 6.x or higher
npm
- module-alias
- linq
- uniqid
- socket.io : WebSocket
- express : Http
- knex : SQL query builder layer (https://knexjs.org)
- mysql : current project base DBMS npm for knex
- redis : pubsub for broadcasting, session storage
- winston : logging
register your own host aliases for work flexibility : /etc/hosts OR C:\Windows\System32\drivers\etc\hosts
- 127.0.0.1 appl.host
- 127.0.0.1 pubsub.host
- 127.0.0.1 session.host
- 127.0.0.1 db.host
- 127.0.0.1 db-slave.host
- 127.0.0.1 db-master.host
- 127.0.0.1 cache.host

Installation

Use the Node package manager npm to install.

$ npm install

Structure

write only at `>` for scalability & generalization in the future

> ├── env
  ├── (auto-generated) log
  ├── (auto-generated) node_modules
  ├── src
  │   ├── common
> │   ├── config
  │   ├── library
  │   │   ├── cache
  │   │   ├── data
  │   │   ├── db
  │   │   ├── router
  │   │   └── server
> │   ├── module
> │   │   └── model
> │   ├── router
  │   └── schema
  └── test

Configuration

create Environment name to env/${env}
```
$ touch env/local
```

create Configuration set to src/config/${env}/*.json

$ mkdir src/config/local
$ vi src/config/local/config.json
$ ...

# OR copy the existing configurations

$ cp -R src/config/local src/config/local2
$ vi src/config/local2/config.json
$ ...

modify the port / cluster on your needs

{
  ...
  "port": {
    ...
    "api": 9100,
    ...
  },
  ...
  "cluster": {
    ...
    "api": true,
    ...
  },
  ...
}

create the application set

create router. src/router/${server-name}.js and write a routes and relations src/router/index.js, src/index.js of your service

const Router = require('@src/library/router');

class RouterApi extends Router {
  constructor() {
    super();

    Object.assign(this.packetS2C, {
      packetNameA: FunctionA,
      packetNameB: FunctionB,
      ...
    }
  }
}

create controller. src/module/foo.js (on your needs)
create model. src/module/model/foo.js (on your needs)

Warning: dbWriteAsync

When using the dbWriteAsync configuration, cacheTTL should be 0. (Cache must be always lives without auto purging by TTL)

Because must be readable on update mode.

{
    ...
    "dbWriteAsync": true,
    ...
    "cacheTTL": 0,
    ...
}

And for stability, src/module/model/derived.js inherits src/library/data/index.js

// const db = require('@src/library/db');
// const cache = require('@src/library/cache');
const Data = require('@src/library/data');

class Derived extends Data {
  constructor() {
    super();
    // ...
  }

  async test() {
    // await db.execute(params); // write to DB
    // await cache.execute(params); // write to Cache
    await this.execute(params); // write to DB/Cache for auto caching
  }
}

module.exports = Derived;

Be aware, on Windows 10 and cluster mode doesn't work properly before shutdown / SIGINT / ... functions.

Notice

Supports transaction by QuerySet.usetx option in src/common/types.js
But remind that is performance will be goes down

Usage

$ node src/index.js --server-name=${server-name}[ --cluster-cnt=${cnt}]

Examples

basic

$ node src/index.js --server-name=api

cluster

{
  ...
  "cluster": {
    ...
    "api": true,
    ...
  }
  ...
}

$ node src/index.js --server-name=api                    # cluster count is automatically CPU length - 2
$ node src/index.js --server-name=api --cluster-cnt=2    # cluster count to 2 forcingly

Benchmark (Stress Test, see. `src/module/user.testData()`)

specifications

{
  "hardware": { "cpu": "AMD Ryzen 5 3600 6-Core Processor 3.60 GHz", "mem": "32 GB", "disk": "HDD" },

  "server": { "version": "ubuntu 20.04 64bit", "cpu": 6, "mem": "16 GB" },
  "server-from": { "Guest": "Oracle VirtualBox", "Host": "Windows 10" },
  "nodejs": { "version": "v14.18.0", "cluster": 4 },
  "mysql": { "version": "14.14 Distrib 5.7.32, for Linux (x86_64)", "LimitNOFILE": 50000, "max_connections": 10000, "max_connect_errors": 10000 },
  "redis": { "version": "6.2.6", "LimitNOFILE": 100000, "save": "", "io-threads": 4, "maxclients": 100000 },
  "jmeter": { "version": "5.4.3", "threads": 100, "count": 10000 },
  "jmeter-plugin": { "name": "WebSocket Samplers by Peter Doornbosch", "file": "jmeter-websocket-samplers-1.2.8.jar" },

  "one cycle": "INSERT * 5, UPDATE * 1, DELETE * 1, SELECT > 4 rows = 4 * 100 * 10000 = 4000000"
}

result-ServerSide-Basic

Type	Task	pakcet-elapsed-all	pakcet-elapsed-min	pakcet-elapsed-max	err	db-connections	data-created
DB only
	local(debug, non-cluster)-http	00:40:14	3.48 ms	629.67 ms	0	17	{ db: 4000000 }
	dev(debug, cluster)-http	00:19:11	3.19 ms	597.98 ms	0	129	{ db: 4000000 }
	live(info, cluster)-http	00:17:15	2.56 ms	405.36 ms	0	222	{ db: 4000000 }
data (DB with auto Cache)
	live(info, cluster)-http	00:21:07	3.93 ms	483.51 ms	0	115	{ db: 4000000, cache: 4000000 }
	live(info, cluster)-dbWriteAsync-http	00:07:50	1.40 ms	131.88 ms	0	5	{ db: 4000000, cache: 4000000 }
	live(info, cluster)-dbWriteAsync-websocket	00:05:45	1.44 ms	129.90 ms	0	5	{ db: 4000000, cache: 4000000 }

result-ServerSide-TPS (Transaction Per Seconds)

Type	Task	tps-count	tps-min	tps-max	tps-avg
DB only
	local(debug, non-cluster)-http	1470	87	466	413.383
	dev(debug, cluster)-http	554	543	996	875.774
	live(info, cluster)-http	661	643	1125	972.546
data (DB with auto Cache)
	live(info, cluster)-http	811	514	913	792.311
	live(info, cluster)-dbWriteAsync-http	344	1092	2470	2149.863
	live(info, cluster)-dbWriteAsync-websocket	514	1027	3347	2926.927

result-ClientSide-JMeter-Summary-Report

Type	Task	Label	# Samples	Average	Min	Max	Std. Dev.	Error %	Throughput	Received KB/sec	Sent KB/sec	Avg. Bytes
DB only
	local(debug, non-cluster)-http	"HTTP Request - /user/test"	1000000	241	12	1589	24.94	0.00 %	414.2/sec	738.21	99.17	1825.0
	dev(debug, cluster)-http	"HTTP Request - /user/test"	1000000	114	7	1473	22.28	0.00 %	869.3/sec	1549.28	208.54	1825.0
	live(info, cluster)-http	"HTTP Request - /user/test"	1000000	103	7	1402	15.53	0.00 %	966.7/sec	1722.81	232.20	1825.0
data (DB with auto Cache)
	live(info, cluster)-http	"HTTP Request - /user/test"	1000000	126	8	1477	18.17	0.00 %	788.9/sec	1431.47	189.11	1858.01
	live(info, cluster)-dbWriteAsync-http	"HTTP Request - /user/test"	1000000	46	4	1396	18.64	0.00 %	2129.2/sec	1653.05	510.96	795.0
	live(info, cluster)-dbWriteAsync-websocket	"WS req-res - userTest"	1000000	33	3	541	10.43	0.00 %	2903.5/sec	1559.50	73.72	550.0

Screenshots

jmeter-http-100x10000
jmeter-websocket-100x10000-00
jmeter-websocket-100x10000-01
time-function-test
time-function-real
socket-client

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

Donation

If this project help you reduce time to develop, you can give me a cup of coffee :)

License

MIT

Name		Name	Last commit message	Last commit date
Latest commit History 9 Commits
.vscode		.vscode
resources/images		resources/images
src		src
test		test
.gitignore		.gitignore
.prettierrc.js		.prettierrc.js
LICENSE		LICENSE
README.md		README.md
jsconfig.json		jsconfig.json
package-lock.json		package-lock.json
package.json		package.json

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JServer

Features

Requirements

Installation

Structure

write only at `>` for scalability & generalization in the future

Configuration

Warning: dbWriteAsync

Notice

Usage

Examples

basic

cluster

Benchmark (Stress Test, see. `src/module/user.testData()`)

specifications

result-ServerSide-Basic

result-ServerSide-TPS (Transaction Per Seconds)

result-ClientSide-JMeter-Summary-Report

Screenshots

Contributing

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JServer

Features

Requirements

Installation

Structure

write only at > for scalability & generalization in the future

Configuration

Warning: dbWriteAsync

Notice

Usage

Examples

basic

cluster

Benchmark (Stress Test, see. src/module/user.testData())

specifications

result-ServerSide-Basic

result-ServerSide-TPS (Transaction Per Seconds)

result-ClientSide-JMeter-Summary-Report

Screenshots

Contributing

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write only at `>` for scalability & generalization in the future

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