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

Former-commit-id: cae4f94bbd404d26ab13dade02b52f81feaddf24

_examples/websocket/connectionlist/main.go

@@ -0,0 +1,98 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/view"
+
+	"github.com/kataras/iris/websocket"
+)
+
+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{})
+
+	// 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())
+
+	// serve the javascript built'n client-side library,
+	// see weboskcets.html script tags, this path is used.
+	app.Any("/iris-ws.js", func(ctx context.Context) {
+		ctx.Write(websocket.ClientSource)
+	})
+
+	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")
+	})
+
+	Conn := make(map[websocket.Connection]bool)
+	var myChatRoom = "room1"
+	var mutex = new(sync.Mutex)
+
+	ws.OnConnection(func(c websocket.Connection) {
+		c.Join(myChatRoom)
+		mutex.Lock()
+		Conn[c] = true
+		mutex.Unlock()
+		c.On("chat", func(message string) {
+			if message == "leave" {
+				c.Leave(myChatRoom)
+				c.To(myChatRoom).Emit("chat", "Client with ID: "+c.ID()+" left from the room and cannot send or receive message to/from this room.")
+				c.Emit("chat", "You have left from the room: "+myChatRoom+" you cannot send or receive any messages from others inside that room.")
+				return
+			}
+		})
+		c.OnDisconnect(func() {
+			mutex.Lock()
+			delete(Conn, c)
+			mutex.Unlock()
+			fmt.Printf("\nConnection with ID: %s has been disconnected!\n", c.ID())
+		})
+	})
+
+	var delay = 1 * time.Second
+	go func() {
+		i := 0
+		for {
+			mutex.Lock()
+			broadcast(Conn, fmt.Sprintf("aaaa %d\n", i))
+			mutex.Unlock()
+			time.Sleep(delay)
+			i++
+		}
+	}()
+
+	go func() {
+		i := 0
+		for {
+			mutex.Lock()
+			broadcast(Conn, fmt.Sprintf("aaaa2 %d\n", i))
+			mutex.Unlock()
+			time.Sleep(delay)
+			i++
+		}
+	}()
+
+	app.Run(iris.Addr(":8080"))
+}
+
+func broadcast(Conn map[websocket.Connection]bool, message string) {
+	for k := range Conn {
+		k.To("room1").Emit("chat", message)
+	}
+}