move examples/websocket.rs to examples/websocket

examples/websocket/websocket-client.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+"""websocket cmd client for wssrv.py example."""
+import argparse
+import asyncio
+import signal
+import sys
+
+import aiohttp
+
+
+def start_client(loop, url):
+    name = input('Please enter your name: ')
+
+    # send request
+    ws = yield from aiohttp.ClientSession().ws_connect(url, autoclose=False, autoping=False)
+
+    # input reader
+    def stdin_callback():
+        line = sys.stdin.buffer.readline().decode('utf-8')
+        if not line:
+            loop.stop()
+        else:
+            ws.send_str(name + ': ' + line)
+    loop.add_reader(sys.stdin.fileno(), stdin_callback)
+
+    @asyncio.coroutine
+    def dispatch():
+        while True:
+            msg = yield from ws.receive()
+
+            if msg.type == aiohttp.WSMsgType.TEXT:
+                print('Text: ', msg.data.strip())
+            elif msg.type == aiohttp.WSMsgType.BINARY:
+                print('Binary: ', msg.data)
+            elif msg.type == aiohttp.WSMsgType.PING:
+                ws.pong()
+            elif msg.type == aiohttp.WSMsgType.PONG:
+                print('Pong received')
+            else:
+                if msg.type == aiohttp.WSMsgType.CLOSE:
+                    yield from ws.close()
+                elif msg.type == aiohttp.WSMsgType.ERROR:
+                    print('Error during receive %s' % ws.exception())
+                elif msg.type == aiohttp.WSMsgType.CLOSED:
+                    pass
+
+                break
+
+    yield from dispatch()
+
+
+ARGS = argparse.ArgumentParser(
+    description="websocket console client for wssrv.py example.")
+ARGS.add_argument(
+    '--host', action="store", dest='host',
+    default='127.0.0.1', help='Host name')
+ARGS.add_argument(
+    '--port', action="store", dest='port',
+    default=8080, type=int, help='Port number')
+
+if __name__ == '__main__':
+    args = ARGS.parse_args()
+    if ':' in args.host:
+        args.host, port = args.host.split(':', 1)
+        args.port = int(port)
+
+    url = 'http://{}:{}/ws/'.format(args.host, args.port)
+
+    loop = asyncio.get_event_loop()
+    loop.add_signal_handler(signal.SIGINT, loop.stop)
+    asyncio.Task(start_client(loop, url))
+    loop.run_forever()