first version

2015-05-13 22:37:17 +02:00
commit fb9197b6ff
12 changed files with 648 additions and 0 deletions
@@ -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>
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"../../"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+func main() {
+	r := gin.Default()
+	m := melody.Default()
+
+	r.GET("/", func(c *gin.Context) {
+		http.ServeFile(c.Writer, c.Request, "index.html")
+	})
+
+	r.GET("/ws", func(c *gin.Context) {
+		m.HandleRequest(c.Writer, c.Request)
+	})
+
+	m.HandleMessage(func(s *melody.Session, msg []byte) {
+		m.Broadcast(msg)
+	})
+
+	r.Run(":5000")
+}
@@ -0,0 +1 @@
+Hello World! World Earl
@@ -0,0 +1,32 @@
+<html>
+  <head>
+    <title>Melody example: file watching</title>
+  </head>
+
+  <style>
+    #file {
+      text-align: left;
+      background: #f1f1f1;
+      width: 500px;
+      min-height: 300px;
+      padding: 20px;
+    }
+  </style>
+
+  <body>
+    <center>
+      <h3>Watching a file</h3>
+      <pre id="file"></pre>
+    </center>
+
+    <script>
+      var url = 'ws://' + window.location.host + '/ws';
+      var c = new WebSocket(url);
+
+      c.onmessage = function(msg){
+        var el = document.getElementById("file");
+        el.innerText = msg.data;
+      }
+    </script>
+  </body>
+</html>
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"../../"
+	"github.com/gin-gonic/gin"
+	"github.com/go-fsnotify/fsnotify"
+	"io/ioutil"
+	"net/http"
+)
+
+func main() {
+	file := "file.txt"
+
+	r := gin.Default()
+	m := melody.Default()
+	w, _ := fsnotify.NewWatcher()
+
+	r.GET("/", func(c *gin.Context) {
+		http.ServeFile(c.Writer, c.Request, "index.html")
+	})
+
+	r.GET("/ws", func(c *gin.Context) {
+		m.HandleRequest(c.Writer, c.Request)
+	})
+
+	m.HandleConnect(func(s *melody.Session) {
+		content, _ := ioutil.ReadFile(file)
+		s.Write(content)
+	})
+
+	go func() {
+		for {
+			ev := <-w.Events
+			if ev.Op == fsnotify.Write {
+				content, _ := ioutil.ReadFile(ev.Name)
+				m.Broadcast(content)
+			}
+		}
+	}()
+
+	w.Add(file)
+
+	r.Run(":5000")
+}