move sessions and websocket examples, gofmt, fix misspells and experimental optimizations 🍐

Former-commit-id: cae4f94bbd404d26ab13dade02b52f81feaddf24

_examples/websocket/native-messages/main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/view"
+
+	"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(view.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 context.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"))
+
+}