gin/examples/realtime-advanced/main.go

99 lines
1.9 KiB
Go

package main
import (
"fmt"
"io"
"runtime"
"time"
"github.com/gin-gonic/gin"
"github.com/manucorporat/stats"
)
var messages = stats.New()
func main() {
nuCPU := runtime.NumCPU()
runtime.GOMAXPROCS(nuCPU)
fmt.Printf("Running with %d CPUs\n", nuCPU)
gin.SetMode(gin.ReleaseMode)
router := gin.New()
router.Use(ratelimit, gin.Recovery(), gin.Logger())
router.LoadHTMLGlob("resources/*.templ.html")
router.Static("/static", "resources/static")
router.GET("/", index)
router.GET("/room/:roomid", roomGET)
router.POST("/room-post/:roomid", roomPOST)
//router.DELETE("/room/:roomid", roomDELETE)
router.GET("/stream/:roomid", streamRoom)
router.Run("127.0.0.1:8080")
}
func index(c *gin.Context) {
c.Redirect(301, "/room/hn")
}
func roomGET(c *gin.Context) {
roomid := c.ParamValue("roomid")
userid := c.FormValue("nick")
if len(userid) > 13 {
userid = userid[0:12] + "..."
}
c.HTML(200, "room_login.templ.html", gin.H{
"roomid": roomid,
"nick": userid,
"timestamp": time.Now().Unix(),
})
}
func roomPOST(c *gin.Context) {
roomid := c.ParamValue("roomid")
nick := c.FormValue("nick")
message := c.PostFormValue("message")
if len(message) > 200 || len(nick) > 13 {
c.JSON(400, gin.H{
"status": "failed",
"error": "the message or nickname is too long",
})
return
}
post := gin.H{
"nick": nick,
"message": message,
}
messages.Add("inbound", 1)
room(roomid).Submit(post)
c.JSON(200, post)
}
func roomDELETE(c *gin.Context) {
roomid := c.ParamValue("roomid")
deleteBroadcast(roomid)
}
func streamRoom(c *gin.Context) {
roomid := c.ParamValue("roomid")
listener := openListener(roomid)
ticker := time.NewTicker(1 * time.Second)
defer closeListener(roomid, listener)
defer ticker.Stop()
c.Stream(func(w io.Writer) bool {
select {
case msg := <-listener:
messages.Add("outbound", 1)
c.SSEvent("message", msg)
case <-ticker.C:
c.SSEvent("stats", Stats())
}
return true
})
}