webx-top / echo-socket.io

Wrapper for use Echo context with socket.io

Wrapper for use Echo context with Socket.io.

Documentation

pkg.go.dev

Install

Install the package with:

go get -u github.com/webx-top/echo-socket.io

Import it with:

import esi "github.com/webx-top/echo-socket.io"

and use esi inside your code.

Example

package main

import (
	"fmt"
	socketio "github.com/googollee/go-socket.io"
	"github.com/webx-top/echo"
	"github.com/webx-top/echo/engine/standard"
	esi "github.com/webx-top/echo-socket.io"
)

func main() {
	e := echo.New()

	e.Any("/socket.io/", socketIOWrapper())

	e.Logger().Fatal(e.Run(standard.New(":8080")))
}

func socketIOWrapper() func(context echo.Context) error {
	wrapper, err := esi.NewWrapper(nil)
	if err != nil {
		fmt.Println(err.Error())
		return nil
	}

	wrapper.OnConnect("", func(context echo.Context, conn socketio.Conn) error {
		context.Set("myDataName","myDataValue")
		fmt.Println("connected:", conn.ID())
		return nil
	})
	wrapper.OnError("", func(context echo.Context, conn socketio.Conn, e error) {
		fmt.Println("meet error:", e)
	})
	wrapper.OnDisconnect("", func(context echo.Context, conn socketio.Conn, msg string) {
		fmt.Println("closed", msg)
	})

	wrapper.OnEvent("", "test", func(context echo.Context, conn socketio.Conn, msg string) {
		context.Set("myDataName","myDataValue")
		fmt.Println("notice:", msg)
		conn.Emit("test", msg)
	})

	return wrapper.HandlerFunc
}