rough out connect

connect.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"code.google.com/p/go.net/websocket"
+	"github.com/stesla/gotelnet"
+	"io"
+	"net/http"
+)
+
+func ConnectServer(w http.ResponseWriter, r *http.Request) {
+	// TODO: do some sort of argument parsing here
+	conn, err := gotelnet.Dial("localhost:2860")
+	if err != nil {
+		w.WriteHeader(500);
+		return
+	}
+	websocket.Handler(func(ws *websocket.Conn) {
+		forward(ws, conn);
+	}).ServeHTTP(w, r)
+}
+
+func forward(down *websocket.Conn, up gotelnet.Conn) {
+	lineEnding := "\n";
+	exit := make(chan bool)
+	go func() { io.Copy(down, up); exit <- true }()
+	go func() {
+		for {
+			var msg string
+			if rerr := websocket.Message.Receive(down, &msg); rerr != nil {
+				break
+			}
+			if _, werr := up.Write([]byte(msg + lineEnding)); werr != nil {
+				break
+			}
+		}
+		exit <- true
+	}()
+	<-exit
+}

data/www/css/muon.css

@@ -18,6 +18,7 @@ body {
 
 #container .output {
     padding: 5px;
+    white-space: pre;
 }
 
 #container .output p {

data/www/js/muon.js

@@ -1,14 +1,39 @@
 (function() {
+    var input_, output_, ws_;
+
+    function connect(fn) {
+        //TODO: wss when we're https
+        var ws = new WebSocket("ws://" + window.location.host + "/connect");
+        ws.onopen = function() {
+            fn("Connected!");
+        }
+        ws.onclose = function() {
+            fn("Disconnected!");
+        }
+        ws.onmessage = function(msg) {
+            fn(msg.data);
+        }
+        return ws;
+    }
+
     function processInput(evt) {
         if (this.value && evt.keyCode == 13) {
             evt.preventDefault();
-            console.log("input:", this.value);
-            this.value = "";
+            ws_.send(this.value);
+            console.log("sent:", this.value);
+           this.value = "";
         }
     }
 
     window.onload = function() {
-        var input = document.querySelector('#container .input textarea');
-        input.addEventListener('keydown', processInput);
+        input_ = document.querySelector('#container .input textarea');
+        output_ = document.querySelector('#container .output');
+        input_.addEventListener('keydown', processInput);
+        ws_ = connect(function(text) {
+            var line = document.createElement('p');
+            line.innerHTML = text;
+            output_.appendChild(line);
+            input_.scrollIntoView();
+        });
     };
 })();

main.go

@@ -31,5 +31,6 @@ func main() {
 	http.Handle("/css/", static)
 	http.Handle("/images/", static)
 	http.Handle("/js/", static)
+	http.HandleFunc("/connect", ConnectServer)
 	log.Fatal(http.ListenAndServe(*listenAddr, nil))
 }