gin上同时实现websocket

作者 bluse wang 日期 2019-07-30
gin上同时实现websocket

一个在Gin框架上实现websocket的样例

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package main

import (
"log"
"net/http"
"time"

"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
)

var (
upgrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
CheckOrigin: func(r *http.Request) bool { return true },
HandshakeTimeout: time.Duration(time.Second * 5),
}
)

func handleWebsocket(c *gin.Context) {
conn, err := upgrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
log.Println("cant upgrade connection:", err)
return
}

for {
msgType, msgData, err := conn.ReadMessage()
if err != nil {
log.Println("cant read message:", err)

switch err.(type) {
case *websocket.CloseError:
return
default:
return
}
}

// Skip binary messages
if msgType != websocket.TextMessage {
continue
}

log.Printf("incoming message: %s\n", msgData)
}
}

func main() {
router := gin.Default()
router.GET("/websocket", handleWebsocket)
router.Run(":5000")
}

备自:https://github.com/gin-gonic/gin/issues/1305