add echo example

9 years ago · d1854c24f0
3 changed files with 121 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -25,6 +25,7 @@ go get github.com/olahol/melody

 [![Chat](https://cdn.rawgit.com/olahol/melody/master/examples/chat/demo.gif "Demo")](https://github.com/olahol/melody/tree/master/examples/chat)

+Using [Gin](https://github.com/gin-gonic/gin):
 ```go
 package main

@ -54,6 +55,43 @@ func main() {
 }
 ```

+Using [Echo](https://github.com/labstack/echo):
+```go
+package main
+
+import (
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/engine/standard"
+	"github.com/labstack/echo/middleware"
+	"github.com/olahol/melody"
+	"net/http"
+)
+
+func main() {
+	e := echo.New()
+	m := melody.New()
+
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
+
+	e.GET("/", func(c echo.Context) error {
+		http.ServeFile(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request, "index.html")
+		return nil
+	})
+
+	e.GET("/ws", func(c echo.Context) error {
+		m.HandleRequest(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request)
+		return nil
+	})
+
+	m.HandleMessage(func(s *melody.Session, msg []byte) {
+		m.Broadcast(msg)
+	})
+
+	e.Run(standard.New(":5000"))
+}
+```
+
 ## [Example: gophers](https://github.com/olahol/melody/tree/master/examples/gophers)

 [![Gophers](https://cdn.rawgit.com/olahol/melody/master/examples/gophers/demo.gif "Demo")](https://github.com/olahol/melody/tree/master/examples/gophers)
--- a/examples/chat-echo/index.html
+++ b/examples/chat-echo/index.html
@ -0,0 +1,50 @@
+<html>
+  <head>
+    <title>Melody example: chatting</title>
+  </head>
+
+  <style>
+    #chat {
+      text-align: left;
+      background: #f1f1f1;
+      width: 500px;
+      min-height: 300px;
+      padding: 20px;
+    }
+  </style>
+
+  <body>
+    <center>
+      <h3>Chat</h3>
+      <pre id="chat"></pre>
+      <input placeholder="say something" id="text" type="text">
+    </center>
+
+    <script>
+      var url = "ws://" + window.location.host + "/ws";
+      var ws = new WebSocket(url);
+      var name = "Guest" + Math.floor(Math.random() * 1000);
+
+      var chat = document.getElementById("chat");
+      var text = document.getElementById("text");
+
+      var now = function () {
+        var iso = new Date().toISOString();
+        return iso.split("T")[1].split(".")[0];
+      };
+
+      ws.onmessage = function (msg) {
+        var line =  now() + " " + msg.data + "\n";
+        chat.innerText += line;
+      };
+
+      text.onkeydown = function (e) {
+        if (e.keyCode === 13 && text.value !== "") {
+          ws.send("<" + name + "> " + text.value);
+          text.value = "";
+        }
+      };
+
+    </script>
+  </body>
+</html>
--- a/examples/chat-echo/main.go
+++ b/examples/chat-echo/main.go
@ -0,0 +1,33 @@
+package main
+
+import (
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/engine/standard"
+	"github.com/labstack/echo/middleware"
+	"github.com/olahol/melody"
+	"net/http"
+)
+
+func main() {
+	e := echo.New()
+	m := melody.New()
+
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
+
+	e.GET("/", func(c echo.Context) error {
+		http.ServeFile(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request, "index.html")
+		return nil
+	})
+
+	e.GET("/ws", func(c echo.Context) error {
+		m.HandleRequest(c.Response().(*standard.Response).ResponseWriter, c.Request().(*standard.Request).Request)
+		return nil
+	})
+
+	m.HandleMessage(func(s *melody.Session, msg []byte) {
+		m.Broadcast(msg)
+	})
+
+	e.Run(standard.New(":5000"))
+}