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https://github.com/wonli/aqi

A Golang Websocket business framework
https://github.com/wonli/aqi

gin golang websocket

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A Golang Websocket business framework

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# Aqi

Aqi is a Golang Websocket business framework that supports net/http, gin, chi, etc. It integrates underlying third-party libraries such as viper, gorm, gobwa/ws, gjson, zap, asynq, which facilitates the rapid development of Websocket applications.

### Quick Start

Install the `aqi` CLI and create a project in three steps:

```bash
# 1. Install aqi
go install github.com/wonli/aqi/cmd/aqi@latest

# 2. Generate project
aqi new myapp && cd myapp

# 3. Run
go run . api
```

On first run, `config-dev.yaml` is auto-generated. The API and WebSocket server start on port `2015` (configurable in the config file). Use [wscat](https://github.com/websockets/wscat) to connect to `ws://localhost:2015/ws` and test the built-in `hi` action.

[简体中文](./docs/zh-CN.md)

### Usage

On the first run, a `config-dev.yaml` configuration file will be automatically generated in the working directory. You can configure the application start port, database, and other settings.

After the service starts, use [wscat](https://github.com/websockets/wscat) to establish a websocket connection with the server. Here is a screenshot of the operation.

![img](./docs/assets/img.png)

### Interaction Protocol

Input and output uniformly use `JSON`. Here, `Action` is the name registered in the routing, and `Params` are in JSON string format.

```go

type Context struct {
...
Action string
Params string
...
}
```

Response Format:

```go
type Action struct {
Action string `json:"action"`

Code int `json:"code"`
Msg string `json:"msg,omitempty"`
Data any `json:"data,omitempty"`
}
```

### Quick Start

In `ahi.Init`, specify the configuration file via `aqi.ConfigFile`, which defaults to `yaml` format. The service name and port are specified in the `yaml` file path through `aqi.HttpServer`. The contents of the entry file are as follows:

```go
package main

import (
"net/http"
"time"

"github.com/wonli/aqi"
"github.com/wonli/aqi/ws"
)

func main() {
app := aqi.Init(
aqi.ConfigFile("config.yaml"),
aqi.HttpServer("Aqi", "port"),
)

// Create router
mux := http.NewServeMux()
// WebSocket Handler
mux.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
ws.HttpHandler(w, r)
})

// Register router
wsr := ws.NewRouter()
wsr.Add("hi", func(a *ws.Context) {
a.Send(ws.H{
"hi": time.Now(),
})
})

app.WithHttpServer(mux)

// 启动应用
app.Start()
}
```

### With Gin

`aqi` can be very conveniently integrated with other WEB frameworks. You just need to correctly register `handler` and `app.WithHttpServer`. It supports any implementation of `http.Handler`.

```go
package main

import (
"net/http"
"time"

"github.com/gin-gonic/gin"

"github.com/wonli/aqi"
"github.com/wonli/aqi/ws"
)

func main() {
app := aqi.Init(
aqi.ConfigFile("config.yaml"),
aqi.HttpServer("Aqi", "port"),
)

engine := gin.Default()
// Handler
engine.GET("/ws", func(c *gin.Context) {
ws.HttpHandler(c.Writer, c.Request)
})

// Router
wsr := ws.NewRouter()
wsr.Add("hi", func(a *ws.Context) {
a.Send(ws.H{
"hi": time.Now(),
})
})

app.WithHttpServer(engine)
app.Start()
}
```

### Middlewares

First, define a simple logging middleware that prints the received `action` before processing the request and prints the response content after processing.

```go
func logMiddleware() func(a *ws.Context) {
return func(a *ws.Context) {
log.Printf("Request action: %s ", a.Action)
a.Next()
log.Printf("Reqponse data: %s ", a.Response.Data)
}
}
```

Register the middleware to the router using the `Use` method.

```go
// 注册WebSocket路由
wsr := ws.NewRouter()
wsr.Use(logMiddleware()).Add("hi", func(a *ws.Context) {
a.Send(ws.H{
"hi": time.Now(),
})
})
```

You can also use the form of router groups.

```go
// Router
wsr := ws.NewRouter()
r1 := wsr.Use(logMiddleware())
{
r1.Add("hi", func(a *ws.Context) {
a.Send(ws.H{
"hi": time.Now(),
})
})

r1.Add("say", func(a *ws.Context) {
a.Send(ws.H{
"say": "hi",
})
})
}
```

This way, the console will print logs before and after each request.

### Production Mode

Compiling `Aqi` directly will run in `dev` mode. To run in production mode, pass the following parameters during compilation. For more details, please refer to the `examples/Makefile` file.

```shell
LDFLAGS = "-X '$(FLAGS_PKG).BuildDate=$(BUILD_DATE)' \
-X '$(FLAGS_PKG).Branch=$(GIT_BRANCH)' \
-X '$(FLAGS_PKG).CommitVersion=$(GIT_COMMIT)' \
-X '$(FLAGS_PKG).Revision=$(GIT_REVISION)' \
-extldflags '-static -s -w'"
```

### API Documentation

Generate API docs from your router files with `aqi docgen init`:

```bash
# In project root (e.g. myapp/)
aqi docgen init
```

This creates a `docs/` directory with:
- `doc-config.yaml` – doc config and categories
- `api_viewer.html` – web viewer for API docs
- `docgen.go` – embeddable doc server
- `cmd_api_*.json` – parsed action docs from `internal/router`

Options: `-r` router dir (default `./internal/router`), `-f` format (`json` or `markdown`), `-p` package name.