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server.go
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server.go
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package main
import (
"flag"
"log"
"net"
"net/http"
"time"
"github.com/gin-gonic/gin"
"github.com/lesismal/arpc"
"github.com/lesismal/arpc/extension/protocol/websocket"
)
var useGinListener = flag.Bool("gin", true, "use gin listener")
func main() {
flag.Parse()
var ln net.Listener
if *useGinListener {
ln = ginListener()
} else {
ln = stdListener()
}
svr := arpc.NewServer()
// register router
svr.Handler.Handle("/call/echo", func(ctx *arpc.Context) {
str := ""
err := ctx.Bind(&str)
ctx.Write(str)
log.Printf("/call/echo: \"%v\", error: %v", str, err)
})
svr.Handler.Handle("/notify", func(ctx *arpc.Context) {
str := ""
err := ctx.Bind(&str)
log.Printf("/notify: \"%v\", error: %v", str, err)
})
svr.Handler.HandleConnected(func(c *arpc.Client) {
// go c.Call("/server/call", "server call", 0)
go c.Notify("/server/notify", time.Now().Format("Welcome! Now Is: 2006-01-02 15:04:05.000"), 0)
})
svr.Serve(ln)
}
func ginListener() net.Listener {
router := gin.New()
ln, _ := websocket.Listen("localhost:8888", nil)
router.GET("/ws", func(c *gin.Context) {
w := c.Writer
r := c.Request
ln.(*websocket.Listener).Handler(w, r)
})
go func() {
err := router.Run("localhost:8888")
if err != nil {
log.Fatalf("router.Run failed: %v", err)
}
}()
return ln
}
func stdListener() net.Listener {
ln, _ := websocket.Listen("localhost:8888", nil)
http.HandleFunc("/ws", ln.(*websocket.Listener).Handler)
go func() {
err := http.ListenAndServe("localhost:8888", nil)
if err != nil {
log.Fatal("ListenAndServe: ", err)
}
}()
return ln
}