websocket support, using websockets package

2017-02-20 12:25:44 -08:00
parent da924a359c
commit 6e903ee7d5
5 changed files with 150 additions and 2 deletions
--- a/examples/websocket.html
+++ b/examples/websocket.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>WebSocket demo</title>
+    </head>
+    <body>
+        <script>
+            var ws = new WebSocket('ws://' + document.domain + ':' + location.port + '/feed'),
+                messages = document.createElement('ul');
+            ws.onmessage = function (event) {
+                var messages = document.getElementsByTagName('ul')[0],
+                    message = document.createElement('li'),
+                    content = document.createTextNode('Received: ' + event.data);
+                message.appendChild(content);
+                messages.appendChild(message);
+            };
+            document.body.appendChild(messages);
+            window.setInterval(function() {
+                data = 'bye!'
+                ws.send(data);
+                var messages = document.getElementsByTagName('ul')[0],
+                    message = document.createElement('li'),
+                    content = document.createTextNode('Sent: ' + data);
+                message.appendChild(content);
+                messages.appendChild(message);
+            }, 1000);
+        </script>
+    </body>
+</html>
--- a/examples/websocket.py
+++ b/examples/websocket.py
@@ -0,0 +1,23 @@
+from sanic import Sanic
+from sanic.response import file
+
+app = Sanic(__name__)
+
+
+@app.route('/')
+async def index(request):
+    return await file('websocket.html')
+
+
+@app.ws('/feed')
+async def feed(request, ws):
+    while True:
+        data = 'hello!'
+        print('Sending: ' + data)
+        await ws.send(data)
+        data = await ws.recv()
+        print('Received: ' + data)
+
+
+if __name__ == '__main__':
+    app.run()