iris/_examples/websocket/native-messages/main.go
Gerasimos (Makis) Maropoulos d451335aa2 gofmt
Former-commit-id: 75992b3aeae2228a7a7f0e698ce78b2f323cc33a
2019-01-20 00:00:54 +02:00

62 lines
1.6 KiB
Go

package main
import (
"fmt"
"github.com/kataras/iris"
"github.com/kataras/iris/websocket"
)
/* Native messages no need to import the iris-ws.js to the ./templates.client.html
Use of: OnMessage and EmitMessage.
NOTICE: IF YOU HAVE RAN THE PREVIOUS EXAMPLES YOU HAVE TO CLEAR YOUR BROWSER's CACHE
BECAUSE chat.js is different than the CACHED. OTHERWISE YOU WILL GET Ws is undefined from the browser's console, because it will use the cached.
*/
type clientPage struct {
Title string
Host string
}
func main() {
app := iris.New()
app.RegisterView(iris.HTML("./templates", ".html")) // select the html engine to serve templates
ws := websocket.New(websocket.Config{
// to enable binary messages (useful for protobuf):
// BinaryMessages: true,
})
// register the server on an endpoint.
// see the inline javascript code i the websockets.html, this endpoint is used to connect to the server.
app.Get("/my_endpoint", ws.Handler())
app.StaticWeb("/js", "./static/js") // serve our custom javascript code
app.Get("/", func(ctx iris.Context) {
ctx.ViewData("", clientPage{"Client Page", "localhost:8080"})
ctx.View("client.html")
})
ws.OnConnection(func(c websocket.Connection) {
c.OnMessage(func(data []byte) {
message := string(data)
c.To(websocket.Broadcast).EmitMessage([]byte("Message from: " + c.ID() + "-> " + message)) // broadcast to all clients except this
c.EmitMessage([]byte("Me: " + message)) // writes to itself
})
c.OnDisconnect(func() {
fmt.Printf("\nConnection with ID: %s has been disconnected!", c.ID())
})
})
app.Run(iris.Addr(":8080"))
}